xref: /openbmc/qemu/target/sparc/translate.c (revision 8eb806a7)
1 /*
2    SPARC translation
3 
4    Copyright (C) 2003 Thomas M. Ogrisegg <tom@fnord.at>
5    Copyright (C) 2003-2005 Fabrice Bellard
6 
7    This library is free software; you can redistribute it and/or
8    modify it under the terms of the GNU Lesser General Public
9    License as published by the Free Software Foundation; either
10    version 2.1 of the License, or (at your option) any later version.
11 
12    This library is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15    Lesser General Public License for more details.
16 
17    You should have received a copy of the GNU Lesser General Public
18    License along with this library; if not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #include "qemu/osdep.h"
22 
23 #include "cpu.h"
24 #include "disas/disas.h"
25 #include "exec/helper-proto.h"
26 #include "exec/exec-all.h"
27 #include "tcg/tcg-op.h"
28 #include "exec/cpu_ldst.h"
29 
30 #include "exec/helper-gen.h"
31 
32 #include "exec/translator.h"
33 #include "exec/log.h"
34 #include "asi.h"
35 
36 
37 #define DEBUG_DISAS
38 
39 #define DYNAMIC_PC  1 /* dynamic pc value */
40 #define JUMP_PC     2 /* dynamic pc value which takes only two values
41                          according to jump_pc[T2] */
42 
43 #define DISAS_EXIT  DISAS_TARGET_0
44 
45 /* global register indexes */
46 static TCGv_ptr cpu_regwptr;
47 static TCGv cpu_cc_src, cpu_cc_src2, cpu_cc_dst;
48 static TCGv_i32 cpu_cc_op;
49 static TCGv_i32 cpu_psr;
50 static TCGv cpu_fsr, cpu_pc, cpu_npc;
51 static TCGv cpu_regs[32];
52 static TCGv cpu_y;
53 #ifndef CONFIG_USER_ONLY
54 static TCGv cpu_tbr;
55 #endif
56 static TCGv cpu_cond;
57 #ifdef TARGET_SPARC64
58 static TCGv_i32 cpu_xcc, cpu_fprs;
59 static TCGv cpu_gsr;
60 static TCGv cpu_tick_cmpr, cpu_stick_cmpr, cpu_hstick_cmpr;
61 static TCGv cpu_hintp, cpu_htba, cpu_hver, cpu_ssr, cpu_ver;
62 #else
63 static TCGv cpu_wim;
64 #endif
65 /* Floating point registers */
66 static TCGv_i64 cpu_fpr[TARGET_DPREGS];
67 
68 #include "exec/gen-icount.h"
69 
70 typedef struct DisasContext {
71     DisasContextBase base;
72     target_ulong pc;    /* current Program Counter: integer or DYNAMIC_PC */
73     target_ulong npc;   /* next PC: integer or DYNAMIC_PC or JUMP_PC */
74     target_ulong jump_pc[2]; /* used when JUMP_PC pc value is used */
75     int mem_idx;
76     bool fpu_enabled;
77     bool address_mask_32bit;
78 #ifndef CONFIG_USER_ONLY
79     bool supervisor;
80 #ifdef TARGET_SPARC64
81     bool hypervisor;
82 #endif
83 #endif
84 
85     uint32_t cc_op;  /* current CC operation */
86     sparc_def_t *def;
87     TCGv_i32 t32[3];
88     TCGv ttl[5];
89     int n_t32;
90     int n_ttl;
91 #ifdef TARGET_SPARC64
92     int fprs_dirty;
93     int asi;
94 #endif
95 } DisasContext;
96 
97 typedef struct {
98     TCGCond cond;
99     bool is_bool;
100     bool g1, g2;
101     TCGv c1, c2;
102 } DisasCompare;
103 
104 // This function uses non-native bit order
105 #define GET_FIELD(X, FROM, TO)                                  \
106     ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
107 
108 // This function uses the order in the manuals, i.e. bit 0 is 2^0
109 #define GET_FIELD_SP(X, FROM, TO)               \
110     GET_FIELD(X, 31 - (TO), 31 - (FROM))
111 
112 #define GET_FIELDs(x,a,b) sign_extend (GET_FIELD(x,a,b), (b) - (a) + 1)
113 #define GET_FIELD_SPs(x,a,b) sign_extend (GET_FIELD_SP(x,a,b), ((b) - (a) + 1))
114 
115 #ifdef TARGET_SPARC64
116 #define DFPREG(r) (((r & 1) << 5) | (r & 0x1e))
117 #define QFPREG(r) (((r & 1) << 5) | (r & 0x1c))
118 #else
119 #define DFPREG(r) (r & 0x1e)
120 #define QFPREG(r) (r & 0x1c)
121 #endif
122 
123 #define UA2005_HTRAP_MASK 0xff
124 #define V8_TRAP_MASK 0x7f
125 
126 static int sign_extend(int x, int len)
127 {
128     len = 32 - len;
129     return (x << len) >> len;
130 }
131 
132 #define IS_IMM (insn & (1<<13))
133 
134 static inline TCGv_i32 get_temp_i32(DisasContext *dc)
135 {
136     TCGv_i32 t;
137     assert(dc->n_t32 < ARRAY_SIZE(dc->t32));
138     dc->t32[dc->n_t32++] = t = tcg_temp_new_i32();
139     return t;
140 }
141 
142 static inline TCGv get_temp_tl(DisasContext *dc)
143 {
144     TCGv t;
145     assert(dc->n_ttl < ARRAY_SIZE(dc->ttl));
146     dc->ttl[dc->n_ttl++] = t = tcg_temp_new();
147     return t;
148 }
149 
150 static inline void gen_update_fprs_dirty(DisasContext *dc, int rd)
151 {
152 #if defined(TARGET_SPARC64)
153     int bit = (rd < 32) ? 1 : 2;
154     /* If we know we've already set this bit within the TB,
155        we can avoid setting it again.  */
156     if (!(dc->fprs_dirty & bit)) {
157         dc->fprs_dirty |= bit;
158         tcg_gen_ori_i32(cpu_fprs, cpu_fprs, bit);
159     }
160 #endif
161 }
162 
163 /* floating point registers moves */
164 static TCGv_i32 gen_load_fpr_F(DisasContext *dc, unsigned int src)
165 {
166 #if TCG_TARGET_REG_BITS == 32
167     if (src & 1) {
168         return TCGV_LOW(cpu_fpr[src / 2]);
169     } else {
170         return TCGV_HIGH(cpu_fpr[src / 2]);
171     }
172 #else
173     TCGv_i32 ret = get_temp_i32(dc);
174     if (src & 1) {
175         tcg_gen_extrl_i64_i32(ret, cpu_fpr[src / 2]);
176     } else {
177         tcg_gen_extrh_i64_i32(ret, cpu_fpr[src / 2]);
178     }
179     return ret;
180 #endif
181 }
182 
183 static void gen_store_fpr_F(DisasContext *dc, unsigned int dst, TCGv_i32 v)
184 {
185 #if TCG_TARGET_REG_BITS == 32
186     if (dst & 1) {
187         tcg_gen_mov_i32(TCGV_LOW(cpu_fpr[dst / 2]), v);
188     } else {
189         tcg_gen_mov_i32(TCGV_HIGH(cpu_fpr[dst / 2]), v);
190     }
191 #else
192     TCGv_i64 t = (TCGv_i64)v;
193     tcg_gen_deposit_i64(cpu_fpr[dst / 2], cpu_fpr[dst / 2], t,
194                         (dst & 1 ? 0 : 32), 32);
195 #endif
196     gen_update_fprs_dirty(dc, dst);
197 }
198 
199 static TCGv_i32 gen_dest_fpr_F(DisasContext *dc)
200 {
201     return get_temp_i32(dc);
202 }
203 
204 static TCGv_i64 gen_load_fpr_D(DisasContext *dc, unsigned int src)
205 {
206     src = DFPREG(src);
207     return cpu_fpr[src / 2];
208 }
209 
210 static void gen_store_fpr_D(DisasContext *dc, unsigned int dst, TCGv_i64 v)
211 {
212     dst = DFPREG(dst);
213     tcg_gen_mov_i64(cpu_fpr[dst / 2], v);
214     gen_update_fprs_dirty(dc, dst);
215 }
216 
217 static TCGv_i64 gen_dest_fpr_D(DisasContext *dc, unsigned int dst)
218 {
219     return cpu_fpr[DFPREG(dst) / 2];
220 }
221 
222 static void gen_op_load_fpr_QT0(unsigned int src)
223 {
224     tcg_gen_st_i64(cpu_fpr[src / 2], cpu_env, offsetof(CPUSPARCState, qt0) +
225                    offsetof(CPU_QuadU, ll.upper));
226     tcg_gen_st_i64(cpu_fpr[src/2 + 1], cpu_env, offsetof(CPUSPARCState, qt0) +
227                    offsetof(CPU_QuadU, ll.lower));
228 }
229 
230 static void gen_op_load_fpr_QT1(unsigned int src)
231 {
232     tcg_gen_st_i64(cpu_fpr[src / 2], cpu_env, offsetof(CPUSPARCState, qt1) +
233                    offsetof(CPU_QuadU, ll.upper));
234     tcg_gen_st_i64(cpu_fpr[src/2 + 1], cpu_env, offsetof(CPUSPARCState, qt1) +
235                    offsetof(CPU_QuadU, ll.lower));
236 }
237 
238 static void gen_op_store_QT0_fpr(unsigned int dst)
239 {
240     tcg_gen_ld_i64(cpu_fpr[dst / 2], cpu_env, offsetof(CPUSPARCState, qt0) +
241                    offsetof(CPU_QuadU, ll.upper));
242     tcg_gen_ld_i64(cpu_fpr[dst/2 + 1], cpu_env, offsetof(CPUSPARCState, qt0) +
243                    offsetof(CPU_QuadU, ll.lower));
244 }
245 
246 static void gen_store_fpr_Q(DisasContext *dc, unsigned int dst,
247                             TCGv_i64 v1, TCGv_i64 v2)
248 {
249     dst = QFPREG(dst);
250 
251     tcg_gen_mov_i64(cpu_fpr[dst / 2], v1);
252     tcg_gen_mov_i64(cpu_fpr[dst / 2 + 1], v2);
253     gen_update_fprs_dirty(dc, dst);
254 }
255 
256 #ifdef TARGET_SPARC64
257 static TCGv_i64 gen_load_fpr_Q0(DisasContext *dc, unsigned int src)
258 {
259     src = QFPREG(src);
260     return cpu_fpr[src / 2];
261 }
262 
263 static TCGv_i64 gen_load_fpr_Q1(DisasContext *dc, unsigned int src)
264 {
265     src = QFPREG(src);
266     return cpu_fpr[src / 2 + 1];
267 }
268 
269 static void gen_move_Q(DisasContext *dc, unsigned int rd, unsigned int rs)
270 {
271     rd = QFPREG(rd);
272     rs = QFPREG(rs);
273 
274     tcg_gen_mov_i64(cpu_fpr[rd / 2], cpu_fpr[rs / 2]);
275     tcg_gen_mov_i64(cpu_fpr[rd / 2 + 1], cpu_fpr[rs / 2 + 1]);
276     gen_update_fprs_dirty(dc, rd);
277 }
278 #endif
279 
280 /* moves */
281 #ifdef CONFIG_USER_ONLY
282 #define supervisor(dc) 0
283 #ifdef TARGET_SPARC64
284 #define hypervisor(dc) 0
285 #endif
286 #else
287 #ifdef TARGET_SPARC64
288 #define hypervisor(dc) (dc->hypervisor)
289 #define supervisor(dc) (dc->supervisor | dc->hypervisor)
290 #else
291 #define supervisor(dc) (dc->supervisor)
292 #endif
293 #endif
294 
295 #ifdef TARGET_SPARC64
296 #ifndef TARGET_ABI32
297 #define AM_CHECK(dc) ((dc)->address_mask_32bit)
298 #else
299 #define AM_CHECK(dc) (1)
300 #endif
301 #endif
302 
303 static inline void gen_address_mask(DisasContext *dc, TCGv addr)
304 {
305 #ifdef TARGET_SPARC64
306     if (AM_CHECK(dc))
307         tcg_gen_andi_tl(addr, addr, 0xffffffffULL);
308 #endif
309 }
310 
311 static inline TCGv gen_load_gpr(DisasContext *dc, int reg)
312 {
313     if (reg > 0) {
314         assert(reg < 32);
315         return cpu_regs[reg];
316     } else {
317         TCGv t = get_temp_tl(dc);
318         tcg_gen_movi_tl(t, 0);
319         return t;
320     }
321 }
322 
323 static inline void gen_store_gpr(DisasContext *dc, int reg, TCGv v)
324 {
325     if (reg > 0) {
326         assert(reg < 32);
327         tcg_gen_mov_tl(cpu_regs[reg], v);
328     }
329 }
330 
331 static inline TCGv gen_dest_gpr(DisasContext *dc, int reg)
332 {
333     if (reg > 0) {
334         assert(reg < 32);
335         return cpu_regs[reg];
336     } else {
337         return get_temp_tl(dc);
338     }
339 }
340 
341 static bool use_goto_tb(DisasContext *s, target_ulong pc, target_ulong npc)
342 {
343     return translator_use_goto_tb(&s->base, pc) &&
344            translator_use_goto_tb(&s->base, npc);
345 }
346 
347 static void gen_goto_tb(DisasContext *s, int tb_num,
348                         target_ulong pc, target_ulong npc)
349 {
350     if (use_goto_tb(s, pc, npc))  {
351         /* jump to same page: we can use a direct jump */
352         tcg_gen_goto_tb(tb_num);
353         tcg_gen_movi_tl(cpu_pc, pc);
354         tcg_gen_movi_tl(cpu_npc, npc);
355         tcg_gen_exit_tb(s->base.tb, tb_num);
356     } else {
357         /* jump to another page: currently not optimized */
358         tcg_gen_movi_tl(cpu_pc, pc);
359         tcg_gen_movi_tl(cpu_npc, npc);
360         tcg_gen_exit_tb(NULL, 0);
361     }
362 }
363 
364 // XXX suboptimal
365 static inline void gen_mov_reg_N(TCGv reg, TCGv_i32 src)
366 {
367     tcg_gen_extu_i32_tl(reg, src);
368     tcg_gen_extract_tl(reg, reg, PSR_NEG_SHIFT, 1);
369 }
370 
371 static inline void gen_mov_reg_Z(TCGv reg, TCGv_i32 src)
372 {
373     tcg_gen_extu_i32_tl(reg, src);
374     tcg_gen_extract_tl(reg, reg, PSR_ZERO_SHIFT, 1);
375 }
376 
377 static inline void gen_mov_reg_V(TCGv reg, TCGv_i32 src)
378 {
379     tcg_gen_extu_i32_tl(reg, src);
380     tcg_gen_extract_tl(reg, reg, PSR_OVF_SHIFT, 1);
381 }
382 
383 static inline void gen_mov_reg_C(TCGv reg, TCGv_i32 src)
384 {
385     tcg_gen_extu_i32_tl(reg, src);
386     tcg_gen_extract_tl(reg, reg, PSR_CARRY_SHIFT, 1);
387 }
388 
389 static inline void gen_op_add_cc(TCGv dst, TCGv src1, TCGv src2)
390 {
391     tcg_gen_mov_tl(cpu_cc_src, src1);
392     tcg_gen_mov_tl(cpu_cc_src2, src2);
393     tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
394     tcg_gen_mov_tl(dst, cpu_cc_dst);
395 }
396 
397 static TCGv_i32 gen_add32_carry32(void)
398 {
399     TCGv_i32 carry_32, cc_src1_32, cc_src2_32;
400 
401     /* Carry is computed from a previous add: (dst < src)  */
402 #if TARGET_LONG_BITS == 64
403     cc_src1_32 = tcg_temp_new_i32();
404     cc_src2_32 = tcg_temp_new_i32();
405     tcg_gen_extrl_i64_i32(cc_src1_32, cpu_cc_dst);
406     tcg_gen_extrl_i64_i32(cc_src2_32, cpu_cc_src);
407 #else
408     cc_src1_32 = cpu_cc_dst;
409     cc_src2_32 = cpu_cc_src;
410 #endif
411 
412     carry_32 = tcg_temp_new_i32();
413     tcg_gen_setcond_i32(TCG_COND_LTU, carry_32, cc_src1_32, cc_src2_32);
414 
415 #if TARGET_LONG_BITS == 64
416     tcg_temp_free_i32(cc_src1_32);
417     tcg_temp_free_i32(cc_src2_32);
418 #endif
419 
420     return carry_32;
421 }
422 
423 static TCGv_i32 gen_sub32_carry32(void)
424 {
425     TCGv_i32 carry_32, cc_src1_32, cc_src2_32;
426 
427     /* Carry is computed from a previous borrow: (src1 < src2)  */
428 #if TARGET_LONG_BITS == 64
429     cc_src1_32 = tcg_temp_new_i32();
430     cc_src2_32 = tcg_temp_new_i32();
431     tcg_gen_extrl_i64_i32(cc_src1_32, cpu_cc_src);
432     tcg_gen_extrl_i64_i32(cc_src2_32, cpu_cc_src2);
433 #else
434     cc_src1_32 = cpu_cc_src;
435     cc_src2_32 = cpu_cc_src2;
436 #endif
437 
438     carry_32 = tcg_temp_new_i32();
439     tcg_gen_setcond_i32(TCG_COND_LTU, carry_32, cc_src1_32, cc_src2_32);
440 
441 #if TARGET_LONG_BITS == 64
442     tcg_temp_free_i32(cc_src1_32);
443     tcg_temp_free_i32(cc_src2_32);
444 #endif
445 
446     return carry_32;
447 }
448 
449 static void gen_op_addx_int(DisasContext *dc, TCGv dst, TCGv src1,
450                             TCGv src2, int update_cc)
451 {
452     TCGv_i32 carry_32;
453     TCGv carry;
454 
455     switch (dc->cc_op) {
456     case CC_OP_DIV:
457     case CC_OP_LOGIC:
458         /* Carry is known to be zero.  Fall back to plain ADD.  */
459         if (update_cc) {
460             gen_op_add_cc(dst, src1, src2);
461         } else {
462             tcg_gen_add_tl(dst, src1, src2);
463         }
464         return;
465 
466     case CC_OP_ADD:
467     case CC_OP_TADD:
468     case CC_OP_TADDTV:
469         if (TARGET_LONG_BITS == 32) {
470             /* We can re-use the host's hardware carry generation by using
471                an ADD2 opcode.  We discard the low part of the output.
472                Ideally we'd combine this operation with the add that
473                generated the carry in the first place.  */
474             carry = tcg_temp_new();
475             tcg_gen_add2_tl(carry, dst, cpu_cc_src, src1, cpu_cc_src2, src2);
476             tcg_temp_free(carry);
477             goto add_done;
478         }
479         carry_32 = gen_add32_carry32();
480         break;
481 
482     case CC_OP_SUB:
483     case CC_OP_TSUB:
484     case CC_OP_TSUBTV:
485         carry_32 = gen_sub32_carry32();
486         break;
487 
488     default:
489         /* We need external help to produce the carry.  */
490         carry_32 = tcg_temp_new_i32();
491         gen_helper_compute_C_icc(carry_32, cpu_env);
492         break;
493     }
494 
495 #if TARGET_LONG_BITS == 64
496     carry = tcg_temp_new();
497     tcg_gen_extu_i32_i64(carry, carry_32);
498 #else
499     carry = carry_32;
500 #endif
501 
502     tcg_gen_add_tl(dst, src1, src2);
503     tcg_gen_add_tl(dst, dst, carry);
504 
505     tcg_temp_free_i32(carry_32);
506 #if TARGET_LONG_BITS == 64
507     tcg_temp_free(carry);
508 #endif
509 
510  add_done:
511     if (update_cc) {
512         tcg_gen_mov_tl(cpu_cc_src, src1);
513         tcg_gen_mov_tl(cpu_cc_src2, src2);
514         tcg_gen_mov_tl(cpu_cc_dst, dst);
515         tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADDX);
516         dc->cc_op = CC_OP_ADDX;
517     }
518 }
519 
520 static inline void gen_op_sub_cc(TCGv dst, TCGv src1, TCGv src2)
521 {
522     tcg_gen_mov_tl(cpu_cc_src, src1);
523     tcg_gen_mov_tl(cpu_cc_src2, src2);
524     tcg_gen_sub_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
525     tcg_gen_mov_tl(dst, cpu_cc_dst);
526 }
527 
528 static void gen_op_subx_int(DisasContext *dc, TCGv dst, TCGv src1,
529                             TCGv src2, int update_cc)
530 {
531     TCGv_i32 carry_32;
532     TCGv carry;
533 
534     switch (dc->cc_op) {
535     case CC_OP_DIV:
536     case CC_OP_LOGIC:
537         /* Carry is known to be zero.  Fall back to plain SUB.  */
538         if (update_cc) {
539             gen_op_sub_cc(dst, src1, src2);
540         } else {
541             tcg_gen_sub_tl(dst, src1, src2);
542         }
543         return;
544 
545     case CC_OP_ADD:
546     case CC_OP_TADD:
547     case CC_OP_TADDTV:
548         carry_32 = gen_add32_carry32();
549         break;
550 
551     case CC_OP_SUB:
552     case CC_OP_TSUB:
553     case CC_OP_TSUBTV:
554         if (TARGET_LONG_BITS == 32) {
555             /* We can re-use the host's hardware carry generation by using
556                a SUB2 opcode.  We discard the low part of the output.
557                Ideally we'd combine this operation with the add that
558                generated the carry in the first place.  */
559             carry = tcg_temp_new();
560             tcg_gen_sub2_tl(carry, dst, cpu_cc_src, src1, cpu_cc_src2, src2);
561             tcg_temp_free(carry);
562             goto sub_done;
563         }
564         carry_32 = gen_sub32_carry32();
565         break;
566 
567     default:
568         /* We need external help to produce the carry.  */
569         carry_32 = tcg_temp_new_i32();
570         gen_helper_compute_C_icc(carry_32, cpu_env);
571         break;
572     }
573 
574 #if TARGET_LONG_BITS == 64
575     carry = tcg_temp_new();
576     tcg_gen_extu_i32_i64(carry, carry_32);
577 #else
578     carry = carry_32;
579 #endif
580 
581     tcg_gen_sub_tl(dst, src1, src2);
582     tcg_gen_sub_tl(dst, dst, carry);
583 
584     tcg_temp_free_i32(carry_32);
585 #if TARGET_LONG_BITS == 64
586     tcg_temp_free(carry);
587 #endif
588 
589  sub_done:
590     if (update_cc) {
591         tcg_gen_mov_tl(cpu_cc_src, src1);
592         tcg_gen_mov_tl(cpu_cc_src2, src2);
593         tcg_gen_mov_tl(cpu_cc_dst, dst);
594         tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUBX);
595         dc->cc_op = CC_OP_SUBX;
596     }
597 }
598 
599 static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv src2)
600 {
601     TCGv r_temp, zero, t0;
602 
603     r_temp = tcg_temp_new();
604     t0 = tcg_temp_new();
605 
606     /* old op:
607     if (!(env->y & 1))
608         T1 = 0;
609     */
610     zero = tcg_const_tl(0);
611     tcg_gen_andi_tl(cpu_cc_src, src1, 0xffffffff);
612     tcg_gen_andi_tl(r_temp, cpu_y, 0x1);
613     tcg_gen_andi_tl(cpu_cc_src2, src2, 0xffffffff);
614     tcg_gen_movcond_tl(TCG_COND_EQ, cpu_cc_src2, r_temp, zero,
615                        zero, cpu_cc_src2);
616     tcg_temp_free(zero);
617 
618     // b2 = T0 & 1;
619     // env->y = (b2 << 31) | (env->y >> 1);
620     tcg_gen_extract_tl(t0, cpu_y, 1, 31);
621     tcg_gen_deposit_tl(cpu_y, t0, cpu_cc_src, 31, 1);
622 
623     // b1 = N ^ V;
624     gen_mov_reg_N(t0, cpu_psr);
625     gen_mov_reg_V(r_temp, cpu_psr);
626     tcg_gen_xor_tl(t0, t0, r_temp);
627     tcg_temp_free(r_temp);
628 
629     // T0 = (b1 << 31) | (T0 >> 1);
630     // src1 = T0;
631     tcg_gen_shli_tl(t0, t0, 31);
632     tcg_gen_shri_tl(cpu_cc_src, cpu_cc_src, 1);
633     tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t0);
634     tcg_temp_free(t0);
635 
636     tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
637 
638     tcg_gen_mov_tl(dst, cpu_cc_dst);
639 }
640 
641 static inline void gen_op_multiply(TCGv dst, TCGv src1, TCGv src2, int sign_ext)
642 {
643 #if TARGET_LONG_BITS == 32
644     if (sign_ext) {
645         tcg_gen_muls2_tl(dst, cpu_y, src1, src2);
646     } else {
647         tcg_gen_mulu2_tl(dst, cpu_y, src1, src2);
648     }
649 #else
650     TCGv t0 = tcg_temp_new_i64();
651     TCGv t1 = tcg_temp_new_i64();
652 
653     if (sign_ext) {
654         tcg_gen_ext32s_i64(t0, src1);
655         tcg_gen_ext32s_i64(t1, src2);
656     } else {
657         tcg_gen_ext32u_i64(t0, src1);
658         tcg_gen_ext32u_i64(t1, src2);
659     }
660 
661     tcg_gen_mul_i64(dst, t0, t1);
662     tcg_temp_free(t0);
663     tcg_temp_free(t1);
664 
665     tcg_gen_shri_i64(cpu_y, dst, 32);
666 #endif
667 }
668 
669 static inline void gen_op_umul(TCGv dst, TCGv src1, TCGv src2)
670 {
671     /* zero-extend truncated operands before multiplication */
672     gen_op_multiply(dst, src1, src2, 0);
673 }
674 
675 static inline void gen_op_smul(TCGv dst, TCGv src1, TCGv src2)
676 {
677     /* sign-extend truncated operands before multiplication */
678     gen_op_multiply(dst, src1, src2, 1);
679 }
680 
681 // 1
682 static inline void gen_op_eval_ba(TCGv dst)
683 {
684     tcg_gen_movi_tl(dst, 1);
685 }
686 
687 // Z
688 static inline void gen_op_eval_be(TCGv dst, TCGv_i32 src)
689 {
690     gen_mov_reg_Z(dst, src);
691 }
692 
693 // Z | (N ^ V)
694 static inline void gen_op_eval_ble(TCGv dst, TCGv_i32 src)
695 {
696     TCGv t0 = tcg_temp_new();
697     gen_mov_reg_N(t0, src);
698     gen_mov_reg_V(dst, src);
699     tcg_gen_xor_tl(dst, dst, t0);
700     gen_mov_reg_Z(t0, src);
701     tcg_gen_or_tl(dst, dst, t0);
702     tcg_temp_free(t0);
703 }
704 
705 // N ^ V
706 static inline void gen_op_eval_bl(TCGv dst, TCGv_i32 src)
707 {
708     TCGv t0 = tcg_temp_new();
709     gen_mov_reg_V(t0, src);
710     gen_mov_reg_N(dst, src);
711     tcg_gen_xor_tl(dst, dst, t0);
712     tcg_temp_free(t0);
713 }
714 
715 // C | Z
716 static inline void gen_op_eval_bleu(TCGv dst, TCGv_i32 src)
717 {
718     TCGv t0 = tcg_temp_new();
719     gen_mov_reg_Z(t0, src);
720     gen_mov_reg_C(dst, src);
721     tcg_gen_or_tl(dst, dst, t0);
722     tcg_temp_free(t0);
723 }
724 
725 // C
726 static inline void gen_op_eval_bcs(TCGv dst, TCGv_i32 src)
727 {
728     gen_mov_reg_C(dst, src);
729 }
730 
731 // V
732 static inline void gen_op_eval_bvs(TCGv dst, TCGv_i32 src)
733 {
734     gen_mov_reg_V(dst, src);
735 }
736 
737 // 0
738 static inline void gen_op_eval_bn(TCGv dst)
739 {
740     tcg_gen_movi_tl(dst, 0);
741 }
742 
743 // N
744 static inline void gen_op_eval_bneg(TCGv dst, TCGv_i32 src)
745 {
746     gen_mov_reg_N(dst, src);
747 }
748 
749 // !Z
750 static inline void gen_op_eval_bne(TCGv dst, TCGv_i32 src)
751 {
752     gen_mov_reg_Z(dst, src);
753     tcg_gen_xori_tl(dst, dst, 0x1);
754 }
755 
756 // !(Z | (N ^ V))
757 static inline void gen_op_eval_bg(TCGv dst, TCGv_i32 src)
758 {
759     gen_op_eval_ble(dst, src);
760     tcg_gen_xori_tl(dst, dst, 0x1);
761 }
762 
763 // !(N ^ V)
764 static inline void gen_op_eval_bge(TCGv dst, TCGv_i32 src)
765 {
766     gen_op_eval_bl(dst, src);
767     tcg_gen_xori_tl(dst, dst, 0x1);
768 }
769 
770 // !(C | Z)
771 static inline void gen_op_eval_bgu(TCGv dst, TCGv_i32 src)
772 {
773     gen_op_eval_bleu(dst, src);
774     tcg_gen_xori_tl(dst, dst, 0x1);
775 }
776 
777 // !C
778 static inline void gen_op_eval_bcc(TCGv dst, TCGv_i32 src)
779 {
780     gen_mov_reg_C(dst, src);
781     tcg_gen_xori_tl(dst, dst, 0x1);
782 }
783 
784 // !N
785 static inline void gen_op_eval_bpos(TCGv dst, TCGv_i32 src)
786 {
787     gen_mov_reg_N(dst, src);
788     tcg_gen_xori_tl(dst, dst, 0x1);
789 }
790 
791 // !V
792 static inline void gen_op_eval_bvc(TCGv dst, TCGv_i32 src)
793 {
794     gen_mov_reg_V(dst, src);
795     tcg_gen_xori_tl(dst, dst, 0x1);
796 }
797 
798 /*
799   FPSR bit field FCC1 | FCC0:
800    0 =
801    1 <
802    2 >
803    3 unordered
804 */
805 static inline void gen_mov_reg_FCC0(TCGv reg, TCGv src,
806                                     unsigned int fcc_offset)
807 {
808     tcg_gen_shri_tl(reg, src, FSR_FCC0_SHIFT + fcc_offset);
809     tcg_gen_andi_tl(reg, reg, 0x1);
810 }
811 
812 static inline void gen_mov_reg_FCC1(TCGv reg, TCGv src,
813                                     unsigned int fcc_offset)
814 {
815     tcg_gen_shri_tl(reg, src, FSR_FCC1_SHIFT + fcc_offset);
816     tcg_gen_andi_tl(reg, reg, 0x1);
817 }
818 
819 // !0: FCC0 | FCC1
820 static inline void gen_op_eval_fbne(TCGv dst, TCGv src,
821                                     unsigned int fcc_offset)
822 {
823     TCGv t0 = tcg_temp_new();
824     gen_mov_reg_FCC0(dst, src, fcc_offset);
825     gen_mov_reg_FCC1(t0, src, fcc_offset);
826     tcg_gen_or_tl(dst, dst, t0);
827     tcg_temp_free(t0);
828 }
829 
830 // 1 or 2: FCC0 ^ FCC1
831 static inline void gen_op_eval_fblg(TCGv dst, TCGv src,
832                                     unsigned int fcc_offset)
833 {
834     TCGv t0 = tcg_temp_new();
835     gen_mov_reg_FCC0(dst, src, fcc_offset);
836     gen_mov_reg_FCC1(t0, src, fcc_offset);
837     tcg_gen_xor_tl(dst, dst, t0);
838     tcg_temp_free(t0);
839 }
840 
841 // 1 or 3: FCC0
842 static inline void gen_op_eval_fbul(TCGv dst, TCGv src,
843                                     unsigned int fcc_offset)
844 {
845     gen_mov_reg_FCC0(dst, src, fcc_offset);
846 }
847 
848 // 1: FCC0 & !FCC1
849 static inline void gen_op_eval_fbl(TCGv dst, TCGv src,
850                                     unsigned int fcc_offset)
851 {
852     TCGv t0 = tcg_temp_new();
853     gen_mov_reg_FCC0(dst, src, fcc_offset);
854     gen_mov_reg_FCC1(t0, src, fcc_offset);
855     tcg_gen_andc_tl(dst, dst, t0);
856     tcg_temp_free(t0);
857 }
858 
859 // 2 or 3: FCC1
860 static inline void gen_op_eval_fbug(TCGv dst, TCGv src,
861                                     unsigned int fcc_offset)
862 {
863     gen_mov_reg_FCC1(dst, src, fcc_offset);
864 }
865 
866 // 2: !FCC0 & FCC1
867 static inline void gen_op_eval_fbg(TCGv dst, TCGv src,
868                                     unsigned int fcc_offset)
869 {
870     TCGv t0 = tcg_temp_new();
871     gen_mov_reg_FCC0(dst, src, fcc_offset);
872     gen_mov_reg_FCC1(t0, src, fcc_offset);
873     tcg_gen_andc_tl(dst, t0, dst);
874     tcg_temp_free(t0);
875 }
876 
877 // 3: FCC0 & FCC1
878 static inline void gen_op_eval_fbu(TCGv dst, TCGv src,
879                                     unsigned int fcc_offset)
880 {
881     TCGv t0 = tcg_temp_new();
882     gen_mov_reg_FCC0(dst, src, fcc_offset);
883     gen_mov_reg_FCC1(t0, src, fcc_offset);
884     tcg_gen_and_tl(dst, dst, t0);
885     tcg_temp_free(t0);
886 }
887 
888 // 0: !(FCC0 | FCC1)
889 static inline void gen_op_eval_fbe(TCGv dst, TCGv src,
890                                     unsigned int fcc_offset)
891 {
892     TCGv t0 = tcg_temp_new();
893     gen_mov_reg_FCC0(dst, src, fcc_offset);
894     gen_mov_reg_FCC1(t0, src, fcc_offset);
895     tcg_gen_or_tl(dst, dst, t0);
896     tcg_gen_xori_tl(dst, dst, 0x1);
897     tcg_temp_free(t0);
898 }
899 
900 // 0 or 3: !(FCC0 ^ FCC1)
901 static inline void gen_op_eval_fbue(TCGv dst, TCGv src,
902                                     unsigned int fcc_offset)
903 {
904     TCGv t0 = tcg_temp_new();
905     gen_mov_reg_FCC0(dst, src, fcc_offset);
906     gen_mov_reg_FCC1(t0, src, fcc_offset);
907     tcg_gen_xor_tl(dst, dst, t0);
908     tcg_gen_xori_tl(dst, dst, 0x1);
909     tcg_temp_free(t0);
910 }
911 
912 // 0 or 2: !FCC0
913 static inline void gen_op_eval_fbge(TCGv dst, TCGv src,
914                                     unsigned int fcc_offset)
915 {
916     gen_mov_reg_FCC0(dst, src, fcc_offset);
917     tcg_gen_xori_tl(dst, dst, 0x1);
918 }
919 
920 // !1: !(FCC0 & !FCC1)
921 static inline void gen_op_eval_fbuge(TCGv dst, TCGv src,
922                                     unsigned int fcc_offset)
923 {
924     TCGv t0 = tcg_temp_new();
925     gen_mov_reg_FCC0(dst, src, fcc_offset);
926     gen_mov_reg_FCC1(t0, src, fcc_offset);
927     tcg_gen_andc_tl(dst, dst, t0);
928     tcg_gen_xori_tl(dst, dst, 0x1);
929     tcg_temp_free(t0);
930 }
931 
932 // 0 or 1: !FCC1
933 static inline void gen_op_eval_fble(TCGv dst, TCGv src,
934                                     unsigned int fcc_offset)
935 {
936     gen_mov_reg_FCC1(dst, src, fcc_offset);
937     tcg_gen_xori_tl(dst, dst, 0x1);
938 }
939 
940 // !2: !(!FCC0 & FCC1)
941 static inline void gen_op_eval_fbule(TCGv dst, TCGv src,
942                                     unsigned int fcc_offset)
943 {
944     TCGv t0 = tcg_temp_new();
945     gen_mov_reg_FCC0(dst, src, fcc_offset);
946     gen_mov_reg_FCC1(t0, src, fcc_offset);
947     tcg_gen_andc_tl(dst, t0, dst);
948     tcg_gen_xori_tl(dst, dst, 0x1);
949     tcg_temp_free(t0);
950 }
951 
952 // !3: !(FCC0 & FCC1)
953 static inline void gen_op_eval_fbo(TCGv dst, TCGv src,
954                                     unsigned int fcc_offset)
955 {
956     TCGv t0 = tcg_temp_new();
957     gen_mov_reg_FCC0(dst, src, fcc_offset);
958     gen_mov_reg_FCC1(t0, src, fcc_offset);
959     tcg_gen_and_tl(dst, dst, t0);
960     tcg_gen_xori_tl(dst, dst, 0x1);
961     tcg_temp_free(t0);
962 }
963 
964 static inline void gen_branch2(DisasContext *dc, target_ulong pc1,
965                                target_ulong pc2, TCGv r_cond)
966 {
967     TCGLabel *l1 = gen_new_label();
968 
969     tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, 0, l1);
970 
971     gen_goto_tb(dc, 0, pc1, pc1 + 4);
972 
973     gen_set_label(l1);
974     gen_goto_tb(dc, 1, pc2, pc2 + 4);
975 }
976 
977 static void gen_branch_a(DisasContext *dc, target_ulong pc1)
978 {
979     TCGLabel *l1 = gen_new_label();
980     target_ulong npc = dc->npc;
981 
982     tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cond, 0, l1);
983 
984     gen_goto_tb(dc, 0, npc, pc1);
985 
986     gen_set_label(l1);
987     gen_goto_tb(dc, 1, npc + 4, npc + 8);
988 
989     dc->base.is_jmp = DISAS_NORETURN;
990 }
991 
992 static void gen_branch_n(DisasContext *dc, target_ulong pc1)
993 {
994     target_ulong npc = dc->npc;
995 
996     if (likely(npc != DYNAMIC_PC)) {
997         dc->pc = npc;
998         dc->jump_pc[0] = pc1;
999         dc->jump_pc[1] = npc + 4;
1000         dc->npc = JUMP_PC;
1001     } else {
1002         TCGv t, z;
1003 
1004         tcg_gen_mov_tl(cpu_pc, cpu_npc);
1005 
1006         tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
1007         t = tcg_const_tl(pc1);
1008         z = tcg_const_tl(0);
1009         tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc, cpu_cond, z, t, cpu_npc);
1010         tcg_temp_free(t);
1011         tcg_temp_free(z);
1012 
1013         dc->pc = DYNAMIC_PC;
1014     }
1015 }
1016 
1017 static inline void gen_generic_branch(DisasContext *dc)
1018 {
1019     TCGv npc0 = tcg_const_tl(dc->jump_pc[0]);
1020     TCGv npc1 = tcg_const_tl(dc->jump_pc[1]);
1021     TCGv zero = tcg_const_tl(0);
1022 
1023     tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc, cpu_cond, zero, npc0, npc1);
1024 
1025     tcg_temp_free(npc0);
1026     tcg_temp_free(npc1);
1027     tcg_temp_free(zero);
1028 }
1029 
1030 /* call this function before using the condition register as it may
1031    have been set for a jump */
1032 static inline void flush_cond(DisasContext *dc)
1033 {
1034     if (dc->npc == JUMP_PC) {
1035         gen_generic_branch(dc);
1036         dc->npc = DYNAMIC_PC;
1037     }
1038 }
1039 
1040 static inline void save_npc(DisasContext *dc)
1041 {
1042     if (dc->npc == JUMP_PC) {
1043         gen_generic_branch(dc);
1044         dc->npc = DYNAMIC_PC;
1045     } else if (dc->npc != DYNAMIC_PC) {
1046         tcg_gen_movi_tl(cpu_npc, dc->npc);
1047     }
1048 }
1049 
1050 static inline void update_psr(DisasContext *dc)
1051 {
1052     if (dc->cc_op != CC_OP_FLAGS) {
1053         dc->cc_op = CC_OP_FLAGS;
1054         gen_helper_compute_psr(cpu_env);
1055     }
1056 }
1057 
1058 static inline void save_state(DisasContext *dc)
1059 {
1060     tcg_gen_movi_tl(cpu_pc, dc->pc);
1061     save_npc(dc);
1062 }
1063 
1064 static void gen_exception(DisasContext *dc, int which)
1065 {
1066     TCGv_i32 t;
1067 
1068     save_state(dc);
1069     t = tcg_const_i32(which);
1070     gen_helper_raise_exception(cpu_env, t);
1071     tcg_temp_free_i32(t);
1072     dc->base.is_jmp = DISAS_NORETURN;
1073 }
1074 
1075 static void gen_check_align(TCGv addr, int mask)
1076 {
1077     TCGv_i32 r_mask = tcg_const_i32(mask);
1078     gen_helper_check_align(cpu_env, addr, r_mask);
1079     tcg_temp_free_i32(r_mask);
1080 }
1081 
1082 static inline void gen_mov_pc_npc(DisasContext *dc)
1083 {
1084     if (dc->npc == JUMP_PC) {
1085         gen_generic_branch(dc);
1086         tcg_gen_mov_tl(cpu_pc, cpu_npc);
1087         dc->pc = DYNAMIC_PC;
1088     } else if (dc->npc == DYNAMIC_PC) {
1089         tcg_gen_mov_tl(cpu_pc, cpu_npc);
1090         dc->pc = DYNAMIC_PC;
1091     } else {
1092         dc->pc = dc->npc;
1093     }
1094 }
1095 
1096 static inline void gen_op_next_insn(void)
1097 {
1098     tcg_gen_mov_tl(cpu_pc, cpu_npc);
1099     tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
1100 }
1101 
1102 static void free_compare(DisasCompare *cmp)
1103 {
1104     if (!cmp->g1) {
1105         tcg_temp_free(cmp->c1);
1106     }
1107     if (!cmp->g2) {
1108         tcg_temp_free(cmp->c2);
1109     }
1110 }
1111 
1112 static void gen_compare(DisasCompare *cmp, bool xcc, unsigned int cond,
1113                         DisasContext *dc)
1114 {
1115     static int subcc_cond[16] = {
1116         TCG_COND_NEVER,
1117         TCG_COND_EQ,
1118         TCG_COND_LE,
1119         TCG_COND_LT,
1120         TCG_COND_LEU,
1121         TCG_COND_LTU,
1122         -1, /* neg */
1123         -1, /* overflow */
1124         TCG_COND_ALWAYS,
1125         TCG_COND_NE,
1126         TCG_COND_GT,
1127         TCG_COND_GE,
1128         TCG_COND_GTU,
1129         TCG_COND_GEU,
1130         -1, /* pos */
1131         -1, /* no overflow */
1132     };
1133 
1134     static int logic_cond[16] = {
1135         TCG_COND_NEVER,
1136         TCG_COND_EQ,     /* eq:  Z */
1137         TCG_COND_LE,     /* le:  Z | (N ^ V) -> Z | N */
1138         TCG_COND_LT,     /* lt:  N ^ V -> N */
1139         TCG_COND_EQ,     /* leu: C | Z -> Z */
1140         TCG_COND_NEVER,  /* ltu: C -> 0 */
1141         TCG_COND_LT,     /* neg: N */
1142         TCG_COND_NEVER,  /* vs:  V -> 0 */
1143         TCG_COND_ALWAYS,
1144         TCG_COND_NE,     /* ne:  !Z */
1145         TCG_COND_GT,     /* gt:  !(Z | (N ^ V)) -> !(Z | N) */
1146         TCG_COND_GE,     /* ge:  !(N ^ V) -> !N */
1147         TCG_COND_NE,     /* gtu: !(C | Z) -> !Z */
1148         TCG_COND_ALWAYS, /* geu: !C -> 1 */
1149         TCG_COND_GE,     /* pos: !N */
1150         TCG_COND_ALWAYS, /* vc:  !V -> 1 */
1151     };
1152 
1153     TCGv_i32 r_src;
1154     TCGv r_dst;
1155 
1156 #ifdef TARGET_SPARC64
1157     if (xcc) {
1158         r_src = cpu_xcc;
1159     } else {
1160         r_src = cpu_psr;
1161     }
1162 #else
1163     r_src = cpu_psr;
1164 #endif
1165 
1166     switch (dc->cc_op) {
1167     case CC_OP_LOGIC:
1168         cmp->cond = logic_cond[cond];
1169     do_compare_dst_0:
1170         cmp->is_bool = false;
1171         cmp->g2 = false;
1172         cmp->c2 = tcg_const_tl(0);
1173 #ifdef TARGET_SPARC64
1174         if (!xcc) {
1175             cmp->g1 = false;
1176             cmp->c1 = tcg_temp_new();
1177             tcg_gen_ext32s_tl(cmp->c1, cpu_cc_dst);
1178             break;
1179         }
1180 #endif
1181         cmp->g1 = true;
1182         cmp->c1 = cpu_cc_dst;
1183         break;
1184 
1185     case CC_OP_SUB:
1186         switch (cond) {
1187         case 6:  /* neg */
1188         case 14: /* pos */
1189             cmp->cond = (cond == 6 ? TCG_COND_LT : TCG_COND_GE);
1190             goto do_compare_dst_0;
1191 
1192         case 7: /* overflow */
1193         case 15: /* !overflow */
1194             goto do_dynamic;
1195 
1196         default:
1197             cmp->cond = subcc_cond[cond];
1198             cmp->is_bool = false;
1199 #ifdef TARGET_SPARC64
1200             if (!xcc) {
1201                 /* Note that sign-extension works for unsigned compares as
1202                    long as both operands are sign-extended.  */
1203                 cmp->g1 = cmp->g2 = false;
1204                 cmp->c1 = tcg_temp_new();
1205                 cmp->c2 = tcg_temp_new();
1206                 tcg_gen_ext32s_tl(cmp->c1, cpu_cc_src);
1207                 tcg_gen_ext32s_tl(cmp->c2, cpu_cc_src2);
1208                 break;
1209             }
1210 #endif
1211             cmp->g1 = cmp->g2 = true;
1212             cmp->c1 = cpu_cc_src;
1213             cmp->c2 = cpu_cc_src2;
1214             break;
1215         }
1216         break;
1217 
1218     default:
1219     do_dynamic:
1220         gen_helper_compute_psr(cpu_env);
1221         dc->cc_op = CC_OP_FLAGS;
1222         /* FALLTHRU */
1223 
1224     case CC_OP_FLAGS:
1225         /* We're going to generate a boolean result.  */
1226         cmp->cond = TCG_COND_NE;
1227         cmp->is_bool = true;
1228         cmp->g1 = cmp->g2 = false;
1229         cmp->c1 = r_dst = tcg_temp_new();
1230         cmp->c2 = tcg_const_tl(0);
1231 
1232         switch (cond) {
1233         case 0x0:
1234             gen_op_eval_bn(r_dst);
1235             break;
1236         case 0x1:
1237             gen_op_eval_be(r_dst, r_src);
1238             break;
1239         case 0x2:
1240             gen_op_eval_ble(r_dst, r_src);
1241             break;
1242         case 0x3:
1243             gen_op_eval_bl(r_dst, r_src);
1244             break;
1245         case 0x4:
1246             gen_op_eval_bleu(r_dst, r_src);
1247             break;
1248         case 0x5:
1249             gen_op_eval_bcs(r_dst, r_src);
1250             break;
1251         case 0x6:
1252             gen_op_eval_bneg(r_dst, r_src);
1253             break;
1254         case 0x7:
1255             gen_op_eval_bvs(r_dst, r_src);
1256             break;
1257         case 0x8:
1258             gen_op_eval_ba(r_dst);
1259             break;
1260         case 0x9:
1261             gen_op_eval_bne(r_dst, r_src);
1262             break;
1263         case 0xa:
1264             gen_op_eval_bg(r_dst, r_src);
1265             break;
1266         case 0xb:
1267             gen_op_eval_bge(r_dst, r_src);
1268             break;
1269         case 0xc:
1270             gen_op_eval_bgu(r_dst, r_src);
1271             break;
1272         case 0xd:
1273             gen_op_eval_bcc(r_dst, r_src);
1274             break;
1275         case 0xe:
1276             gen_op_eval_bpos(r_dst, r_src);
1277             break;
1278         case 0xf:
1279             gen_op_eval_bvc(r_dst, r_src);
1280             break;
1281         }
1282         break;
1283     }
1284 }
1285 
1286 static void gen_fcompare(DisasCompare *cmp, unsigned int cc, unsigned int cond)
1287 {
1288     unsigned int offset;
1289     TCGv r_dst;
1290 
1291     /* For now we still generate a straight boolean result.  */
1292     cmp->cond = TCG_COND_NE;
1293     cmp->is_bool = true;
1294     cmp->g1 = cmp->g2 = false;
1295     cmp->c1 = r_dst = tcg_temp_new();
1296     cmp->c2 = tcg_const_tl(0);
1297 
1298     switch (cc) {
1299     default:
1300     case 0x0:
1301         offset = 0;
1302         break;
1303     case 0x1:
1304         offset = 32 - 10;
1305         break;
1306     case 0x2:
1307         offset = 34 - 10;
1308         break;
1309     case 0x3:
1310         offset = 36 - 10;
1311         break;
1312     }
1313 
1314     switch (cond) {
1315     case 0x0:
1316         gen_op_eval_bn(r_dst);
1317         break;
1318     case 0x1:
1319         gen_op_eval_fbne(r_dst, cpu_fsr, offset);
1320         break;
1321     case 0x2:
1322         gen_op_eval_fblg(r_dst, cpu_fsr, offset);
1323         break;
1324     case 0x3:
1325         gen_op_eval_fbul(r_dst, cpu_fsr, offset);
1326         break;
1327     case 0x4:
1328         gen_op_eval_fbl(r_dst, cpu_fsr, offset);
1329         break;
1330     case 0x5:
1331         gen_op_eval_fbug(r_dst, cpu_fsr, offset);
1332         break;
1333     case 0x6:
1334         gen_op_eval_fbg(r_dst, cpu_fsr, offset);
1335         break;
1336     case 0x7:
1337         gen_op_eval_fbu(r_dst, cpu_fsr, offset);
1338         break;
1339     case 0x8:
1340         gen_op_eval_ba(r_dst);
1341         break;
1342     case 0x9:
1343         gen_op_eval_fbe(r_dst, cpu_fsr, offset);
1344         break;
1345     case 0xa:
1346         gen_op_eval_fbue(r_dst, cpu_fsr, offset);
1347         break;
1348     case 0xb:
1349         gen_op_eval_fbge(r_dst, cpu_fsr, offset);
1350         break;
1351     case 0xc:
1352         gen_op_eval_fbuge(r_dst, cpu_fsr, offset);
1353         break;
1354     case 0xd:
1355         gen_op_eval_fble(r_dst, cpu_fsr, offset);
1356         break;
1357     case 0xe:
1358         gen_op_eval_fbule(r_dst, cpu_fsr, offset);
1359         break;
1360     case 0xf:
1361         gen_op_eval_fbo(r_dst, cpu_fsr, offset);
1362         break;
1363     }
1364 }
1365 
1366 static void gen_cond(TCGv r_dst, unsigned int cc, unsigned int cond,
1367                      DisasContext *dc)
1368 {
1369     DisasCompare cmp;
1370     gen_compare(&cmp, cc, cond, dc);
1371 
1372     /* The interface is to return a boolean in r_dst.  */
1373     if (cmp.is_bool) {
1374         tcg_gen_mov_tl(r_dst, cmp.c1);
1375     } else {
1376         tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1377     }
1378 
1379     free_compare(&cmp);
1380 }
1381 
1382 static void gen_fcond(TCGv r_dst, unsigned int cc, unsigned int cond)
1383 {
1384     DisasCompare cmp;
1385     gen_fcompare(&cmp, cc, cond);
1386 
1387     /* The interface is to return a boolean in r_dst.  */
1388     if (cmp.is_bool) {
1389         tcg_gen_mov_tl(r_dst, cmp.c1);
1390     } else {
1391         tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1392     }
1393 
1394     free_compare(&cmp);
1395 }
1396 
1397 #ifdef TARGET_SPARC64
1398 // Inverted logic
1399 static const int gen_tcg_cond_reg[8] = {
1400     -1,
1401     TCG_COND_NE,
1402     TCG_COND_GT,
1403     TCG_COND_GE,
1404     -1,
1405     TCG_COND_EQ,
1406     TCG_COND_LE,
1407     TCG_COND_LT,
1408 };
1409 
1410 static void gen_compare_reg(DisasCompare *cmp, int cond, TCGv r_src)
1411 {
1412     cmp->cond = tcg_invert_cond(gen_tcg_cond_reg[cond]);
1413     cmp->is_bool = false;
1414     cmp->g1 = true;
1415     cmp->g2 = false;
1416     cmp->c1 = r_src;
1417     cmp->c2 = tcg_const_tl(0);
1418 }
1419 
1420 static inline void gen_cond_reg(TCGv r_dst, int cond, TCGv r_src)
1421 {
1422     DisasCompare cmp;
1423     gen_compare_reg(&cmp, cond, r_src);
1424 
1425     /* The interface is to return a boolean in r_dst.  */
1426     tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1427 
1428     free_compare(&cmp);
1429 }
1430 #endif
1431 
1432 static void do_branch(DisasContext *dc, int32_t offset, uint32_t insn, int cc)
1433 {
1434     unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
1435     target_ulong target = dc->pc + offset;
1436 
1437 #ifdef TARGET_SPARC64
1438     if (unlikely(AM_CHECK(dc))) {
1439         target &= 0xffffffffULL;
1440     }
1441 #endif
1442     if (cond == 0x0) {
1443         /* unconditional not taken */
1444         if (a) {
1445             dc->pc = dc->npc + 4;
1446             dc->npc = dc->pc + 4;
1447         } else {
1448             dc->pc = dc->npc;
1449             dc->npc = dc->pc + 4;
1450         }
1451     } else if (cond == 0x8) {
1452         /* unconditional taken */
1453         if (a) {
1454             dc->pc = target;
1455             dc->npc = dc->pc + 4;
1456         } else {
1457             dc->pc = dc->npc;
1458             dc->npc = target;
1459             tcg_gen_mov_tl(cpu_pc, cpu_npc);
1460         }
1461     } else {
1462         flush_cond(dc);
1463         gen_cond(cpu_cond, cc, cond, dc);
1464         if (a) {
1465             gen_branch_a(dc, target);
1466         } else {
1467             gen_branch_n(dc, target);
1468         }
1469     }
1470 }
1471 
1472 static void do_fbranch(DisasContext *dc, int32_t offset, uint32_t insn, int cc)
1473 {
1474     unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
1475     target_ulong target = dc->pc + offset;
1476 
1477 #ifdef TARGET_SPARC64
1478     if (unlikely(AM_CHECK(dc))) {
1479         target &= 0xffffffffULL;
1480     }
1481 #endif
1482     if (cond == 0x0) {
1483         /* unconditional not taken */
1484         if (a) {
1485             dc->pc = dc->npc + 4;
1486             dc->npc = dc->pc + 4;
1487         } else {
1488             dc->pc = dc->npc;
1489             dc->npc = dc->pc + 4;
1490         }
1491     } else if (cond == 0x8) {
1492         /* unconditional taken */
1493         if (a) {
1494             dc->pc = target;
1495             dc->npc = dc->pc + 4;
1496         } else {
1497             dc->pc = dc->npc;
1498             dc->npc = target;
1499             tcg_gen_mov_tl(cpu_pc, cpu_npc);
1500         }
1501     } else {
1502         flush_cond(dc);
1503         gen_fcond(cpu_cond, cc, cond);
1504         if (a) {
1505             gen_branch_a(dc, target);
1506         } else {
1507             gen_branch_n(dc, target);
1508         }
1509     }
1510 }
1511 
1512 #ifdef TARGET_SPARC64
1513 static void do_branch_reg(DisasContext *dc, int32_t offset, uint32_t insn,
1514                           TCGv r_reg)
1515 {
1516     unsigned int cond = GET_FIELD_SP(insn, 25, 27), a = (insn & (1 << 29));
1517     target_ulong target = dc->pc + offset;
1518 
1519     if (unlikely(AM_CHECK(dc))) {
1520         target &= 0xffffffffULL;
1521     }
1522     flush_cond(dc);
1523     gen_cond_reg(cpu_cond, cond, r_reg);
1524     if (a) {
1525         gen_branch_a(dc, target);
1526     } else {
1527         gen_branch_n(dc, target);
1528     }
1529 }
1530 
1531 static inline void gen_op_fcmps(int fccno, TCGv_i32 r_rs1, TCGv_i32 r_rs2)
1532 {
1533     switch (fccno) {
1534     case 0:
1535         gen_helper_fcmps(cpu_fsr, cpu_env, r_rs1, r_rs2);
1536         break;
1537     case 1:
1538         gen_helper_fcmps_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1539         break;
1540     case 2:
1541         gen_helper_fcmps_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1542         break;
1543     case 3:
1544         gen_helper_fcmps_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1545         break;
1546     }
1547 }
1548 
1549 static inline void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1550 {
1551     switch (fccno) {
1552     case 0:
1553         gen_helper_fcmpd(cpu_fsr, cpu_env, r_rs1, r_rs2);
1554         break;
1555     case 1:
1556         gen_helper_fcmpd_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1557         break;
1558     case 2:
1559         gen_helper_fcmpd_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1560         break;
1561     case 3:
1562         gen_helper_fcmpd_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1563         break;
1564     }
1565 }
1566 
1567 static inline void gen_op_fcmpq(int fccno)
1568 {
1569     switch (fccno) {
1570     case 0:
1571         gen_helper_fcmpq(cpu_fsr, cpu_env);
1572         break;
1573     case 1:
1574         gen_helper_fcmpq_fcc1(cpu_fsr, cpu_env);
1575         break;
1576     case 2:
1577         gen_helper_fcmpq_fcc2(cpu_fsr, cpu_env);
1578         break;
1579     case 3:
1580         gen_helper_fcmpq_fcc3(cpu_fsr, cpu_env);
1581         break;
1582     }
1583 }
1584 
1585 static inline void gen_op_fcmpes(int fccno, TCGv_i32 r_rs1, TCGv_i32 r_rs2)
1586 {
1587     switch (fccno) {
1588     case 0:
1589         gen_helper_fcmpes(cpu_fsr, cpu_env, r_rs1, r_rs2);
1590         break;
1591     case 1:
1592         gen_helper_fcmpes_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1593         break;
1594     case 2:
1595         gen_helper_fcmpes_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1596         break;
1597     case 3:
1598         gen_helper_fcmpes_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1599         break;
1600     }
1601 }
1602 
1603 static inline void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1604 {
1605     switch (fccno) {
1606     case 0:
1607         gen_helper_fcmped(cpu_fsr, cpu_env, r_rs1, r_rs2);
1608         break;
1609     case 1:
1610         gen_helper_fcmped_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1611         break;
1612     case 2:
1613         gen_helper_fcmped_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1614         break;
1615     case 3:
1616         gen_helper_fcmped_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1617         break;
1618     }
1619 }
1620 
1621 static inline void gen_op_fcmpeq(int fccno)
1622 {
1623     switch (fccno) {
1624     case 0:
1625         gen_helper_fcmpeq(cpu_fsr, cpu_env);
1626         break;
1627     case 1:
1628         gen_helper_fcmpeq_fcc1(cpu_fsr, cpu_env);
1629         break;
1630     case 2:
1631         gen_helper_fcmpeq_fcc2(cpu_fsr, cpu_env);
1632         break;
1633     case 3:
1634         gen_helper_fcmpeq_fcc3(cpu_fsr, cpu_env);
1635         break;
1636     }
1637 }
1638 
1639 #else
1640 
1641 static inline void gen_op_fcmps(int fccno, TCGv r_rs1, TCGv r_rs2)
1642 {
1643     gen_helper_fcmps(cpu_fsr, cpu_env, r_rs1, r_rs2);
1644 }
1645 
1646 static inline void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1647 {
1648     gen_helper_fcmpd(cpu_fsr, cpu_env, r_rs1, r_rs2);
1649 }
1650 
1651 static inline void gen_op_fcmpq(int fccno)
1652 {
1653     gen_helper_fcmpq(cpu_fsr, cpu_env);
1654 }
1655 
1656 static inline void gen_op_fcmpes(int fccno, TCGv r_rs1, TCGv r_rs2)
1657 {
1658     gen_helper_fcmpes(cpu_fsr, cpu_env, r_rs1, r_rs2);
1659 }
1660 
1661 static inline void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1662 {
1663     gen_helper_fcmped(cpu_fsr, cpu_env, r_rs1, r_rs2);
1664 }
1665 
1666 static inline void gen_op_fcmpeq(int fccno)
1667 {
1668     gen_helper_fcmpeq(cpu_fsr, cpu_env);
1669 }
1670 #endif
1671 
1672 static void gen_op_fpexception_im(DisasContext *dc, int fsr_flags)
1673 {
1674     tcg_gen_andi_tl(cpu_fsr, cpu_fsr, FSR_FTT_NMASK);
1675     tcg_gen_ori_tl(cpu_fsr, cpu_fsr, fsr_flags);
1676     gen_exception(dc, TT_FP_EXCP);
1677 }
1678 
1679 static int gen_trap_ifnofpu(DisasContext *dc)
1680 {
1681 #if !defined(CONFIG_USER_ONLY)
1682     if (!dc->fpu_enabled) {
1683         gen_exception(dc, TT_NFPU_INSN);
1684         return 1;
1685     }
1686 #endif
1687     return 0;
1688 }
1689 
1690 static inline void gen_op_clear_ieee_excp_and_FTT(void)
1691 {
1692     tcg_gen_andi_tl(cpu_fsr, cpu_fsr, FSR_FTT_CEXC_NMASK);
1693 }
1694 
1695 static inline void gen_fop_FF(DisasContext *dc, int rd, int rs,
1696                               void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32))
1697 {
1698     TCGv_i32 dst, src;
1699 
1700     src = gen_load_fpr_F(dc, rs);
1701     dst = gen_dest_fpr_F(dc);
1702 
1703     gen(dst, cpu_env, src);
1704     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1705 
1706     gen_store_fpr_F(dc, rd, dst);
1707 }
1708 
1709 static inline void gen_ne_fop_FF(DisasContext *dc, int rd, int rs,
1710                                  void (*gen)(TCGv_i32, TCGv_i32))
1711 {
1712     TCGv_i32 dst, src;
1713 
1714     src = gen_load_fpr_F(dc, rs);
1715     dst = gen_dest_fpr_F(dc);
1716 
1717     gen(dst, src);
1718 
1719     gen_store_fpr_F(dc, rd, dst);
1720 }
1721 
1722 static inline void gen_fop_FFF(DisasContext *dc, int rd, int rs1, int rs2,
1723                         void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32, TCGv_i32))
1724 {
1725     TCGv_i32 dst, src1, src2;
1726 
1727     src1 = gen_load_fpr_F(dc, rs1);
1728     src2 = gen_load_fpr_F(dc, rs2);
1729     dst = gen_dest_fpr_F(dc);
1730 
1731     gen(dst, cpu_env, src1, src2);
1732     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1733 
1734     gen_store_fpr_F(dc, rd, dst);
1735 }
1736 
1737 #ifdef TARGET_SPARC64
1738 static inline void gen_ne_fop_FFF(DisasContext *dc, int rd, int rs1, int rs2,
1739                                   void (*gen)(TCGv_i32, TCGv_i32, TCGv_i32))
1740 {
1741     TCGv_i32 dst, src1, src2;
1742 
1743     src1 = gen_load_fpr_F(dc, rs1);
1744     src2 = gen_load_fpr_F(dc, rs2);
1745     dst = gen_dest_fpr_F(dc);
1746 
1747     gen(dst, src1, src2);
1748 
1749     gen_store_fpr_F(dc, rd, dst);
1750 }
1751 #endif
1752 
1753 static inline void gen_fop_DD(DisasContext *dc, int rd, int rs,
1754                               void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i64))
1755 {
1756     TCGv_i64 dst, src;
1757 
1758     src = gen_load_fpr_D(dc, rs);
1759     dst = gen_dest_fpr_D(dc, rd);
1760 
1761     gen(dst, cpu_env, src);
1762     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1763 
1764     gen_store_fpr_D(dc, rd, dst);
1765 }
1766 
1767 #ifdef TARGET_SPARC64
1768 static inline void gen_ne_fop_DD(DisasContext *dc, int rd, int rs,
1769                                  void (*gen)(TCGv_i64, TCGv_i64))
1770 {
1771     TCGv_i64 dst, src;
1772 
1773     src = gen_load_fpr_D(dc, rs);
1774     dst = gen_dest_fpr_D(dc, rd);
1775 
1776     gen(dst, src);
1777 
1778     gen_store_fpr_D(dc, rd, dst);
1779 }
1780 #endif
1781 
1782 static inline void gen_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1783                         void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i64, TCGv_i64))
1784 {
1785     TCGv_i64 dst, src1, src2;
1786 
1787     src1 = gen_load_fpr_D(dc, rs1);
1788     src2 = gen_load_fpr_D(dc, rs2);
1789     dst = gen_dest_fpr_D(dc, rd);
1790 
1791     gen(dst, cpu_env, src1, src2);
1792     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1793 
1794     gen_store_fpr_D(dc, rd, dst);
1795 }
1796 
1797 #ifdef TARGET_SPARC64
1798 static inline void gen_ne_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1799                                   void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64))
1800 {
1801     TCGv_i64 dst, src1, src2;
1802 
1803     src1 = gen_load_fpr_D(dc, rs1);
1804     src2 = gen_load_fpr_D(dc, rs2);
1805     dst = gen_dest_fpr_D(dc, rd);
1806 
1807     gen(dst, src1, src2);
1808 
1809     gen_store_fpr_D(dc, rd, dst);
1810 }
1811 
1812 static inline void gen_gsr_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1813                            void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
1814 {
1815     TCGv_i64 dst, src1, src2;
1816 
1817     src1 = gen_load_fpr_D(dc, rs1);
1818     src2 = gen_load_fpr_D(dc, rs2);
1819     dst = gen_dest_fpr_D(dc, rd);
1820 
1821     gen(dst, cpu_gsr, src1, src2);
1822 
1823     gen_store_fpr_D(dc, rd, dst);
1824 }
1825 
1826 static inline void gen_ne_fop_DDDD(DisasContext *dc, int rd, int rs1, int rs2,
1827                            void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
1828 {
1829     TCGv_i64 dst, src0, src1, src2;
1830 
1831     src1 = gen_load_fpr_D(dc, rs1);
1832     src2 = gen_load_fpr_D(dc, rs2);
1833     src0 = gen_load_fpr_D(dc, rd);
1834     dst = gen_dest_fpr_D(dc, rd);
1835 
1836     gen(dst, src0, src1, src2);
1837 
1838     gen_store_fpr_D(dc, rd, dst);
1839 }
1840 #endif
1841 
1842 static inline void gen_fop_QQ(DisasContext *dc, int rd, int rs,
1843                               void (*gen)(TCGv_ptr))
1844 {
1845     gen_op_load_fpr_QT1(QFPREG(rs));
1846 
1847     gen(cpu_env);
1848     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1849 
1850     gen_op_store_QT0_fpr(QFPREG(rd));
1851     gen_update_fprs_dirty(dc, QFPREG(rd));
1852 }
1853 
1854 #ifdef TARGET_SPARC64
1855 static inline void gen_ne_fop_QQ(DisasContext *dc, int rd, int rs,
1856                                  void (*gen)(TCGv_ptr))
1857 {
1858     gen_op_load_fpr_QT1(QFPREG(rs));
1859 
1860     gen(cpu_env);
1861 
1862     gen_op_store_QT0_fpr(QFPREG(rd));
1863     gen_update_fprs_dirty(dc, QFPREG(rd));
1864 }
1865 #endif
1866 
1867 static inline void gen_fop_QQQ(DisasContext *dc, int rd, int rs1, int rs2,
1868                                void (*gen)(TCGv_ptr))
1869 {
1870     gen_op_load_fpr_QT0(QFPREG(rs1));
1871     gen_op_load_fpr_QT1(QFPREG(rs2));
1872 
1873     gen(cpu_env);
1874     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1875 
1876     gen_op_store_QT0_fpr(QFPREG(rd));
1877     gen_update_fprs_dirty(dc, QFPREG(rd));
1878 }
1879 
1880 static inline void gen_fop_DFF(DisasContext *dc, int rd, int rs1, int rs2,
1881                         void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32, TCGv_i32))
1882 {
1883     TCGv_i64 dst;
1884     TCGv_i32 src1, src2;
1885 
1886     src1 = gen_load_fpr_F(dc, rs1);
1887     src2 = gen_load_fpr_F(dc, rs2);
1888     dst = gen_dest_fpr_D(dc, rd);
1889 
1890     gen(dst, cpu_env, src1, src2);
1891     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1892 
1893     gen_store_fpr_D(dc, rd, dst);
1894 }
1895 
1896 static inline void gen_fop_QDD(DisasContext *dc, int rd, int rs1, int rs2,
1897                                void (*gen)(TCGv_ptr, TCGv_i64, TCGv_i64))
1898 {
1899     TCGv_i64 src1, src2;
1900 
1901     src1 = gen_load_fpr_D(dc, rs1);
1902     src2 = gen_load_fpr_D(dc, rs2);
1903 
1904     gen(cpu_env, src1, src2);
1905     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1906 
1907     gen_op_store_QT0_fpr(QFPREG(rd));
1908     gen_update_fprs_dirty(dc, QFPREG(rd));
1909 }
1910 
1911 #ifdef TARGET_SPARC64
1912 static inline void gen_fop_DF(DisasContext *dc, int rd, int rs,
1913                               void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32))
1914 {
1915     TCGv_i64 dst;
1916     TCGv_i32 src;
1917 
1918     src = gen_load_fpr_F(dc, rs);
1919     dst = gen_dest_fpr_D(dc, rd);
1920 
1921     gen(dst, cpu_env, src);
1922     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1923 
1924     gen_store_fpr_D(dc, rd, dst);
1925 }
1926 #endif
1927 
1928 static inline void gen_ne_fop_DF(DisasContext *dc, int rd, int rs,
1929                                  void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32))
1930 {
1931     TCGv_i64 dst;
1932     TCGv_i32 src;
1933 
1934     src = gen_load_fpr_F(dc, rs);
1935     dst = gen_dest_fpr_D(dc, rd);
1936 
1937     gen(dst, cpu_env, src);
1938 
1939     gen_store_fpr_D(dc, rd, dst);
1940 }
1941 
1942 static inline void gen_fop_FD(DisasContext *dc, int rd, int rs,
1943                               void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i64))
1944 {
1945     TCGv_i32 dst;
1946     TCGv_i64 src;
1947 
1948     src = gen_load_fpr_D(dc, rs);
1949     dst = gen_dest_fpr_F(dc);
1950 
1951     gen(dst, cpu_env, src);
1952     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1953 
1954     gen_store_fpr_F(dc, rd, dst);
1955 }
1956 
1957 static inline void gen_fop_FQ(DisasContext *dc, int rd, int rs,
1958                               void (*gen)(TCGv_i32, TCGv_ptr))
1959 {
1960     TCGv_i32 dst;
1961 
1962     gen_op_load_fpr_QT1(QFPREG(rs));
1963     dst = gen_dest_fpr_F(dc);
1964 
1965     gen(dst, cpu_env);
1966     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1967 
1968     gen_store_fpr_F(dc, rd, dst);
1969 }
1970 
1971 static inline void gen_fop_DQ(DisasContext *dc, int rd, int rs,
1972                               void (*gen)(TCGv_i64, TCGv_ptr))
1973 {
1974     TCGv_i64 dst;
1975 
1976     gen_op_load_fpr_QT1(QFPREG(rs));
1977     dst = gen_dest_fpr_D(dc, rd);
1978 
1979     gen(dst, cpu_env);
1980     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1981 
1982     gen_store_fpr_D(dc, rd, dst);
1983 }
1984 
1985 static inline void gen_ne_fop_QF(DisasContext *dc, int rd, int rs,
1986                                  void (*gen)(TCGv_ptr, TCGv_i32))
1987 {
1988     TCGv_i32 src;
1989 
1990     src = gen_load_fpr_F(dc, rs);
1991 
1992     gen(cpu_env, src);
1993 
1994     gen_op_store_QT0_fpr(QFPREG(rd));
1995     gen_update_fprs_dirty(dc, QFPREG(rd));
1996 }
1997 
1998 static inline void gen_ne_fop_QD(DisasContext *dc, int rd, int rs,
1999                                  void (*gen)(TCGv_ptr, TCGv_i64))
2000 {
2001     TCGv_i64 src;
2002 
2003     src = gen_load_fpr_D(dc, rs);
2004 
2005     gen(cpu_env, src);
2006 
2007     gen_op_store_QT0_fpr(QFPREG(rd));
2008     gen_update_fprs_dirty(dc, QFPREG(rd));
2009 }
2010 
2011 static void gen_swap(DisasContext *dc, TCGv dst, TCGv src,
2012                      TCGv addr, int mmu_idx, MemOp memop)
2013 {
2014     gen_address_mask(dc, addr);
2015     tcg_gen_atomic_xchg_tl(dst, addr, src, mmu_idx, memop);
2016 }
2017 
2018 static void gen_ldstub(DisasContext *dc, TCGv dst, TCGv addr, int mmu_idx)
2019 {
2020     TCGv m1 = tcg_const_tl(0xff);
2021     gen_address_mask(dc, addr);
2022     tcg_gen_atomic_xchg_tl(dst, addr, m1, mmu_idx, MO_UB);
2023     tcg_temp_free(m1);
2024 }
2025 
2026 /* asi moves */
2027 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
2028 typedef enum {
2029     GET_ASI_HELPER,
2030     GET_ASI_EXCP,
2031     GET_ASI_DIRECT,
2032     GET_ASI_DTWINX,
2033     GET_ASI_BLOCK,
2034     GET_ASI_SHORT,
2035     GET_ASI_BCOPY,
2036     GET_ASI_BFILL,
2037 } ASIType;
2038 
2039 typedef struct {
2040     ASIType type;
2041     int asi;
2042     int mem_idx;
2043     MemOp memop;
2044 } DisasASI;
2045 
2046 static DisasASI get_asi(DisasContext *dc, int insn, MemOp memop)
2047 {
2048     int asi = GET_FIELD(insn, 19, 26);
2049     ASIType type = GET_ASI_HELPER;
2050     int mem_idx = dc->mem_idx;
2051 
2052 #ifndef TARGET_SPARC64
2053     /* Before v9, all asis are immediate and privileged.  */
2054     if (IS_IMM) {
2055         gen_exception(dc, TT_ILL_INSN);
2056         type = GET_ASI_EXCP;
2057     } else if (supervisor(dc)
2058                /* Note that LEON accepts ASI_USERDATA in user mode, for
2059                   use with CASA.  Also note that previous versions of
2060                   QEMU allowed (and old versions of gcc emitted) ASI_P
2061                   for LEON, which is incorrect.  */
2062                || (asi == ASI_USERDATA
2063                    && (dc->def->features & CPU_FEATURE_CASA))) {
2064         switch (asi) {
2065         case ASI_USERDATA:   /* User data access */
2066             mem_idx = MMU_USER_IDX;
2067             type = GET_ASI_DIRECT;
2068             break;
2069         case ASI_KERNELDATA: /* Supervisor data access */
2070             mem_idx = MMU_KERNEL_IDX;
2071             type = GET_ASI_DIRECT;
2072             break;
2073         case ASI_M_BYPASS:    /* MMU passthrough */
2074         case ASI_LEON_BYPASS: /* LEON MMU passthrough */
2075             mem_idx = MMU_PHYS_IDX;
2076             type = GET_ASI_DIRECT;
2077             break;
2078         case ASI_M_BCOPY: /* Block copy, sta access */
2079             mem_idx = MMU_KERNEL_IDX;
2080             type = GET_ASI_BCOPY;
2081             break;
2082         case ASI_M_BFILL: /* Block fill, stda access */
2083             mem_idx = MMU_KERNEL_IDX;
2084             type = GET_ASI_BFILL;
2085             break;
2086         }
2087 
2088         /* MMU_PHYS_IDX is used when the MMU is disabled to passthrough the
2089          * permissions check in get_physical_address(..).
2090          */
2091         mem_idx = (dc->mem_idx == MMU_PHYS_IDX) ? MMU_PHYS_IDX : mem_idx;
2092     } else {
2093         gen_exception(dc, TT_PRIV_INSN);
2094         type = GET_ASI_EXCP;
2095     }
2096 #else
2097     if (IS_IMM) {
2098         asi = dc->asi;
2099     }
2100     /* With v9, all asis below 0x80 are privileged.  */
2101     /* ??? We ought to check cpu_has_hypervisor, but we didn't copy
2102        down that bit into DisasContext.  For the moment that's ok,
2103        since the direct implementations below doesn't have any ASIs
2104        in the restricted [0x30, 0x7f] range, and the check will be
2105        done properly in the helper.  */
2106     if (!supervisor(dc) && asi < 0x80) {
2107         gen_exception(dc, TT_PRIV_ACT);
2108         type = GET_ASI_EXCP;
2109     } else {
2110         switch (asi) {
2111         case ASI_REAL:      /* Bypass */
2112         case ASI_REAL_IO:   /* Bypass, non-cacheable */
2113         case ASI_REAL_L:    /* Bypass LE */
2114         case ASI_REAL_IO_L: /* Bypass, non-cacheable LE */
2115         case ASI_TWINX_REAL:   /* Real address, twinx */
2116         case ASI_TWINX_REAL_L: /* Real address, twinx, LE */
2117         case ASI_QUAD_LDD_PHYS:
2118         case ASI_QUAD_LDD_PHYS_L:
2119             mem_idx = MMU_PHYS_IDX;
2120             break;
2121         case ASI_N:  /* Nucleus */
2122         case ASI_NL: /* Nucleus LE */
2123         case ASI_TWINX_N:
2124         case ASI_TWINX_NL:
2125         case ASI_NUCLEUS_QUAD_LDD:
2126         case ASI_NUCLEUS_QUAD_LDD_L:
2127             if (hypervisor(dc)) {
2128                 mem_idx = MMU_PHYS_IDX;
2129             } else {
2130                 mem_idx = MMU_NUCLEUS_IDX;
2131             }
2132             break;
2133         case ASI_AIUP:  /* As if user primary */
2134         case ASI_AIUPL: /* As if user primary LE */
2135         case ASI_TWINX_AIUP:
2136         case ASI_TWINX_AIUP_L:
2137         case ASI_BLK_AIUP_4V:
2138         case ASI_BLK_AIUP_L_4V:
2139         case ASI_BLK_AIUP:
2140         case ASI_BLK_AIUPL:
2141             mem_idx = MMU_USER_IDX;
2142             break;
2143         case ASI_AIUS:  /* As if user secondary */
2144         case ASI_AIUSL: /* As if user secondary LE */
2145         case ASI_TWINX_AIUS:
2146         case ASI_TWINX_AIUS_L:
2147         case ASI_BLK_AIUS_4V:
2148         case ASI_BLK_AIUS_L_4V:
2149         case ASI_BLK_AIUS:
2150         case ASI_BLK_AIUSL:
2151             mem_idx = MMU_USER_SECONDARY_IDX;
2152             break;
2153         case ASI_S:  /* Secondary */
2154         case ASI_SL: /* Secondary LE */
2155         case ASI_TWINX_S:
2156         case ASI_TWINX_SL:
2157         case ASI_BLK_COMMIT_S:
2158         case ASI_BLK_S:
2159         case ASI_BLK_SL:
2160         case ASI_FL8_S:
2161         case ASI_FL8_SL:
2162         case ASI_FL16_S:
2163         case ASI_FL16_SL:
2164             if (mem_idx == MMU_USER_IDX) {
2165                 mem_idx = MMU_USER_SECONDARY_IDX;
2166             } else if (mem_idx == MMU_KERNEL_IDX) {
2167                 mem_idx = MMU_KERNEL_SECONDARY_IDX;
2168             }
2169             break;
2170         case ASI_P:  /* Primary */
2171         case ASI_PL: /* Primary LE */
2172         case ASI_TWINX_P:
2173         case ASI_TWINX_PL:
2174         case ASI_BLK_COMMIT_P:
2175         case ASI_BLK_P:
2176         case ASI_BLK_PL:
2177         case ASI_FL8_P:
2178         case ASI_FL8_PL:
2179         case ASI_FL16_P:
2180         case ASI_FL16_PL:
2181             break;
2182         }
2183         switch (asi) {
2184         case ASI_REAL:
2185         case ASI_REAL_IO:
2186         case ASI_REAL_L:
2187         case ASI_REAL_IO_L:
2188         case ASI_N:
2189         case ASI_NL:
2190         case ASI_AIUP:
2191         case ASI_AIUPL:
2192         case ASI_AIUS:
2193         case ASI_AIUSL:
2194         case ASI_S:
2195         case ASI_SL:
2196         case ASI_P:
2197         case ASI_PL:
2198             type = GET_ASI_DIRECT;
2199             break;
2200         case ASI_TWINX_REAL:
2201         case ASI_TWINX_REAL_L:
2202         case ASI_TWINX_N:
2203         case ASI_TWINX_NL:
2204         case ASI_TWINX_AIUP:
2205         case ASI_TWINX_AIUP_L:
2206         case ASI_TWINX_AIUS:
2207         case ASI_TWINX_AIUS_L:
2208         case ASI_TWINX_P:
2209         case ASI_TWINX_PL:
2210         case ASI_TWINX_S:
2211         case ASI_TWINX_SL:
2212         case ASI_QUAD_LDD_PHYS:
2213         case ASI_QUAD_LDD_PHYS_L:
2214         case ASI_NUCLEUS_QUAD_LDD:
2215         case ASI_NUCLEUS_QUAD_LDD_L:
2216             type = GET_ASI_DTWINX;
2217             break;
2218         case ASI_BLK_COMMIT_P:
2219         case ASI_BLK_COMMIT_S:
2220         case ASI_BLK_AIUP_4V:
2221         case ASI_BLK_AIUP_L_4V:
2222         case ASI_BLK_AIUP:
2223         case ASI_BLK_AIUPL:
2224         case ASI_BLK_AIUS_4V:
2225         case ASI_BLK_AIUS_L_4V:
2226         case ASI_BLK_AIUS:
2227         case ASI_BLK_AIUSL:
2228         case ASI_BLK_S:
2229         case ASI_BLK_SL:
2230         case ASI_BLK_P:
2231         case ASI_BLK_PL:
2232             type = GET_ASI_BLOCK;
2233             break;
2234         case ASI_FL8_S:
2235         case ASI_FL8_SL:
2236         case ASI_FL8_P:
2237         case ASI_FL8_PL:
2238             memop = MO_UB;
2239             type = GET_ASI_SHORT;
2240             break;
2241         case ASI_FL16_S:
2242         case ASI_FL16_SL:
2243         case ASI_FL16_P:
2244         case ASI_FL16_PL:
2245             memop = MO_TEUW;
2246             type = GET_ASI_SHORT;
2247             break;
2248         }
2249         /* The little-endian asis all have bit 3 set.  */
2250         if (asi & 8) {
2251             memop ^= MO_BSWAP;
2252         }
2253     }
2254 #endif
2255 
2256     return (DisasASI){ type, asi, mem_idx, memop };
2257 }
2258 
2259 static void gen_ld_asi(DisasContext *dc, TCGv dst, TCGv addr,
2260                        int insn, MemOp memop)
2261 {
2262     DisasASI da = get_asi(dc, insn, memop);
2263 
2264     switch (da.type) {
2265     case GET_ASI_EXCP:
2266         break;
2267     case GET_ASI_DTWINX: /* Reserved for ldda.  */
2268         gen_exception(dc, TT_ILL_INSN);
2269         break;
2270     case GET_ASI_DIRECT:
2271         gen_address_mask(dc, addr);
2272         tcg_gen_qemu_ld_tl(dst, addr, da.mem_idx, da.memop);
2273         break;
2274     default:
2275         {
2276             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2277             TCGv_i32 r_mop = tcg_const_i32(memop);
2278 
2279             save_state(dc);
2280 #ifdef TARGET_SPARC64
2281             gen_helper_ld_asi(dst, cpu_env, addr, r_asi, r_mop);
2282 #else
2283             {
2284                 TCGv_i64 t64 = tcg_temp_new_i64();
2285                 gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_mop);
2286                 tcg_gen_trunc_i64_tl(dst, t64);
2287                 tcg_temp_free_i64(t64);
2288             }
2289 #endif
2290             tcg_temp_free_i32(r_mop);
2291             tcg_temp_free_i32(r_asi);
2292         }
2293         break;
2294     }
2295 }
2296 
2297 static void gen_st_asi(DisasContext *dc, TCGv src, TCGv addr,
2298                        int insn, MemOp memop)
2299 {
2300     DisasASI da = get_asi(dc, insn, memop);
2301 
2302     switch (da.type) {
2303     case GET_ASI_EXCP:
2304         break;
2305     case GET_ASI_DTWINX: /* Reserved for stda.  */
2306 #ifndef TARGET_SPARC64
2307         gen_exception(dc, TT_ILL_INSN);
2308         break;
2309 #else
2310         if (!(dc->def->features & CPU_FEATURE_HYPV)) {
2311             /* Pre OpenSPARC CPUs don't have these */
2312             gen_exception(dc, TT_ILL_INSN);
2313             return;
2314         }
2315         /* in OpenSPARC T1+ CPUs TWINX ASIs in store instructions
2316          * are ST_BLKINIT_ ASIs */
2317 #endif
2318         /* fall through */
2319     case GET_ASI_DIRECT:
2320         gen_address_mask(dc, addr);
2321         tcg_gen_qemu_st_tl(src, addr, da.mem_idx, da.memop);
2322         break;
2323 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
2324     case GET_ASI_BCOPY:
2325         /* Copy 32 bytes from the address in SRC to ADDR.  */
2326         /* ??? The original qemu code suggests 4-byte alignment, dropping
2327            the low bits, but the only place I can see this used is in the
2328            Linux kernel with 32 byte alignment, which would make more sense
2329            as a cacheline-style operation.  */
2330         {
2331             TCGv saddr = tcg_temp_new();
2332             TCGv daddr = tcg_temp_new();
2333             TCGv four = tcg_const_tl(4);
2334             TCGv_i32 tmp = tcg_temp_new_i32();
2335             int i;
2336 
2337             tcg_gen_andi_tl(saddr, src, -4);
2338             tcg_gen_andi_tl(daddr, addr, -4);
2339             for (i = 0; i < 32; i += 4) {
2340                 /* Since the loads and stores are paired, allow the
2341                    copy to happen in the host endianness.  */
2342                 tcg_gen_qemu_ld_i32(tmp, saddr, da.mem_idx, MO_UL);
2343                 tcg_gen_qemu_st_i32(tmp, daddr, da.mem_idx, MO_UL);
2344                 tcg_gen_add_tl(saddr, saddr, four);
2345                 tcg_gen_add_tl(daddr, daddr, four);
2346             }
2347 
2348             tcg_temp_free(saddr);
2349             tcg_temp_free(daddr);
2350             tcg_temp_free(four);
2351             tcg_temp_free_i32(tmp);
2352         }
2353         break;
2354 #endif
2355     default:
2356         {
2357             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2358             TCGv_i32 r_mop = tcg_const_i32(memop & MO_SIZE);
2359 
2360             save_state(dc);
2361 #ifdef TARGET_SPARC64
2362             gen_helper_st_asi(cpu_env, addr, src, r_asi, r_mop);
2363 #else
2364             {
2365                 TCGv_i64 t64 = tcg_temp_new_i64();
2366                 tcg_gen_extu_tl_i64(t64, src);
2367                 gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_mop);
2368                 tcg_temp_free_i64(t64);
2369             }
2370 #endif
2371             tcg_temp_free_i32(r_mop);
2372             tcg_temp_free_i32(r_asi);
2373 
2374             /* A write to a TLB register may alter page maps.  End the TB. */
2375             dc->npc = DYNAMIC_PC;
2376         }
2377         break;
2378     }
2379 }
2380 
2381 static void gen_swap_asi(DisasContext *dc, TCGv dst, TCGv src,
2382                          TCGv addr, int insn)
2383 {
2384     DisasASI da = get_asi(dc, insn, MO_TEUL);
2385 
2386     switch (da.type) {
2387     case GET_ASI_EXCP:
2388         break;
2389     case GET_ASI_DIRECT:
2390         gen_swap(dc, dst, src, addr, da.mem_idx, da.memop);
2391         break;
2392     default:
2393         /* ??? Should be DAE_invalid_asi.  */
2394         gen_exception(dc, TT_DATA_ACCESS);
2395         break;
2396     }
2397 }
2398 
2399 static void gen_cas_asi(DisasContext *dc, TCGv addr, TCGv cmpv,
2400                         int insn, int rd)
2401 {
2402     DisasASI da = get_asi(dc, insn, MO_TEUL);
2403     TCGv oldv;
2404 
2405     switch (da.type) {
2406     case GET_ASI_EXCP:
2407         return;
2408     case GET_ASI_DIRECT:
2409         oldv = tcg_temp_new();
2410         tcg_gen_atomic_cmpxchg_tl(oldv, addr, cmpv, gen_load_gpr(dc, rd),
2411                                   da.mem_idx, da.memop);
2412         gen_store_gpr(dc, rd, oldv);
2413         tcg_temp_free(oldv);
2414         break;
2415     default:
2416         /* ??? Should be DAE_invalid_asi.  */
2417         gen_exception(dc, TT_DATA_ACCESS);
2418         break;
2419     }
2420 }
2421 
2422 static void gen_ldstub_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn)
2423 {
2424     DisasASI da = get_asi(dc, insn, MO_UB);
2425 
2426     switch (da.type) {
2427     case GET_ASI_EXCP:
2428         break;
2429     case GET_ASI_DIRECT:
2430         gen_ldstub(dc, dst, addr, da.mem_idx);
2431         break;
2432     default:
2433         /* ??? In theory, this should be raise DAE_invalid_asi.
2434            But the SS-20 roms do ldstuba [%l0] #ASI_M_CTL, %o1.  */
2435         if (tb_cflags(dc->base.tb) & CF_PARALLEL) {
2436             gen_helper_exit_atomic(cpu_env);
2437         } else {
2438             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2439             TCGv_i32 r_mop = tcg_const_i32(MO_UB);
2440             TCGv_i64 s64, t64;
2441 
2442             save_state(dc);
2443             t64 = tcg_temp_new_i64();
2444             gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_mop);
2445 
2446             s64 = tcg_const_i64(0xff);
2447             gen_helper_st_asi(cpu_env, addr, s64, r_asi, r_mop);
2448             tcg_temp_free_i64(s64);
2449             tcg_temp_free_i32(r_mop);
2450             tcg_temp_free_i32(r_asi);
2451 
2452             tcg_gen_trunc_i64_tl(dst, t64);
2453             tcg_temp_free_i64(t64);
2454 
2455             /* End the TB.  */
2456             dc->npc = DYNAMIC_PC;
2457         }
2458         break;
2459     }
2460 }
2461 #endif
2462 
2463 #ifdef TARGET_SPARC64
2464 static void gen_ldf_asi(DisasContext *dc, TCGv addr,
2465                         int insn, int size, int rd)
2466 {
2467     DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEUQ));
2468     TCGv_i32 d32;
2469     TCGv_i64 d64;
2470 
2471     switch (da.type) {
2472     case GET_ASI_EXCP:
2473         break;
2474 
2475     case GET_ASI_DIRECT:
2476         gen_address_mask(dc, addr);
2477         switch (size) {
2478         case 4:
2479             d32 = gen_dest_fpr_F(dc);
2480             tcg_gen_qemu_ld_i32(d32, addr, da.mem_idx, da.memop);
2481             gen_store_fpr_F(dc, rd, d32);
2482             break;
2483         case 8:
2484             tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx,
2485                                 da.memop | MO_ALIGN_4);
2486             break;
2487         case 16:
2488             d64 = tcg_temp_new_i64();
2489             tcg_gen_qemu_ld_i64(d64, addr, da.mem_idx, da.memop | MO_ALIGN_4);
2490             tcg_gen_addi_tl(addr, addr, 8);
2491             tcg_gen_qemu_ld_i64(cpu_fpr[rd/2+1], addr, da.mem_idx,
2492                                 da.memop | MO_ALIGN_4);
2493             tcg_gen_mov_i64(cpu_fpr[rd / 2], d64);
2494             tcg_temp_free_i64(d64);
2495             break;
2496         default:
2497             g_assert_not_reached();
2498         }
2499         break;
2500 
2501     case GET_ASI_BLOCK:
2502         /* Valid for lddfa on aligned registers only.  */
2503         if (size == 8 && (rd & 7) == 0) {
2504             MemOp memop;
2505             TCGv eight;
2506             int i;
2507 
2508             gen_address_mask(dc, addr);
2509 
2510             /* The first operation checks required alignment.  */
2511             memop = da.memop | MO_ALIGN_64;
2512             eight = tcg_const_tl(8);
2513             for (i = 0; ; ++i) {
2514                 tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2 + i], addr,
2515                                     da.mem_idx, memop);
2516                 if (i == 7) {
2517                     break;
2518                 }
2519                 tcg_gen_add_tl(addr, addr, eight);
2520                 memop = da.memop;
2521             }
2522             tcg_temp_free(eight);
2523         } else {
2524             gen_exception(dc, TT_ILL_INSN);
2525         }
2526         break;
2527 
2528     case GET_ASI_SHORT:
2529         /* Valid for lddfa only.  */
2530         if (size == 8) {
2531             gen_address_mask(dc, addr);
2532             tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
2533         } else {
2534             gen_exception(dc, TT_ILL_INSN);
2535         }
2536         break;
2537 
2538     default:
2539         {
2540             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2541             TCGv_i32 r_mop = tcg_const_i32(da.memop);
2542 
2543             save_state(dc);
2544             /* According to the table in the UA2011 manual, the only
2545                other asis that are valid for ldfa/lddfa/ldqfa are
2546                the NO_FAULT asis.  We still need a helper for these,
2547                but we can just use the integer asi helper for them.  */
2548             switch (size) {
2549             case 4:
2550                 d64 = tcg_temp_new_i64();
2551                 gen_helper_ld_asi(d64, cpu_env, addr, r_asi, r_mop);
2552                 d32 = gen_dest_fpr_F(dc);
2553                 tcg_gen_extrl_i64_i32(d32, d64);
2554                 tcg_temp_free_i64(d64);
2555                 gen_store_fpr_F(dc, rd, d32);
2556                 break;
2557             case 8:
2558                 gen_helper_ld_asi(cpu_fpr[rd / 2], cpu_env, addr, r_asi, r_mop);
2559                 break;
2560             case 16:
2561                 d64 = tcg_temp_new_i64();
2562                 gen_helper_ld_asi(d64, cpu_env, addr, r_asi, r_mop);
2563                 tcg_gen_addi_tl(addr, addr, 8);
2564                 gen_helper_ld_asi(cpu_fpr[rd/2+1], cpu_env, addr, r_asi, r_mop);
2565                 tcg_gen_mov_i64(cpu_fpr[rd / 2], d64);
2566                 tcg_temp_free_i64(d64);
2567                 break;
2568             default:
2569                 g_assert_not_reached();
2570             }
2571             tcg_temp_free_i32(r_mop);
2572             tcg_temp_free_i32(r_asi);
2573         }
2574         break;
2575     }
2576 }
2577 
2578 static void gen_stf_asi(DisasContext *dc, TCGv addr,
2579                         int insn, int size, int rd)
2580 {
2581     DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEUQ));
2582     TCGv_i32 d32;
2583 
2584     switch (da.type) {
2585     case GET_ASI_EXCP:
2586         break;
2587 
2588     case GET_ASI_DIRECT:
2589         gen_address_mask(dc, addr);
2590         switch (size) {
2591         case 4:
2592             d32 = gen_load_fpr_F(dc, rd);
2593             tcg_gen_qemu_st_i32(d32, addr, da.mem_idx, da.memop);
2594             break;
2595         case 8:
2596             tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx,
2597                                 da.memop | MO_ALIGN_4);
2598             break;
2599         case 16:
2600             /* Only 4-byte alignment required.  However, it is legal for the
2601                cpu to signal the alignment fault, and the OS trap handler is
2602                required to fix it up.  Requiring 16-byte alignment here avoids
2603                having to probe the second page before performing the first
2604                write.  */
2605             tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx,
2606                                 da.memop | MO_ALIGN_16);
2607             tcg_gen_addi_tl(addr, addr, 8);
2608             tcg_gen_qemu_st_i64(cpu_fpr[rd/2+1], addr, da.mem_idx, da.memop);
2609             break;
2610         default:
2611             g_assert_not_reached();
2612         }
2613         break;
2614 
2615     case GET_ASI_BLOCK:
2616         /* Valid for stdfa on aligned registers only.  */
2617         if (size == 8 && (rd & 7) == 0) {
2618             MemOp memop;
2619             TCGv eight;
2620             int i;
2621 
2622             gen_address_mask(dc, addr);
2623 
2624             /* The first operation checks required alignment.  */
2625             memop = da.memop | MO_ALIGN_64;
2626             eight = tcg_const_tl(8);
2627             for (i = 0; ; ++i) {
2628                 tcg_gen_qemu_st_i64(cpu_fpr[rd / 2 + i], addr,
2629                                     da.mem_idx, memop);
2630                 if (i == 7) {
2631                     break;
2632                 }
2633                 tcg_gen_add_tl(addr, addr, eight);
2634                 memop = da.memop;
2635             }
2636             tcg_temp_free(eight);
2637         } else {
2638             gen_exception(dc, TT_ILL_INSN);
2639         }
2640         break;
2641 
2642     case GET_ASI_SHORT:
2643         /* Valid for stdfa only.  */
2644         if (size == 8) {
2645             gen_address_mask(dc, addr);
2646             tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
2647         } else {
2648             gen_exception(dc, TT_ILL_INSN);
2649         }
2650         break;
2651 
2652     default:
2653         /* According to the table in the UA2011 manual, the only
2654            other asis that are valid for ldfa/lddfa/ldqfa are
2655            the PST* asis, which aren't currently handled.  */
2656         gen_exception(dc, TT_ILL_INSN);
2657         break;
2658     }
2659 }
2660 
2661 static void gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd)
2662 {
2663     DisasASI da = get_asi(dc, insn, MO_TEUQ);
2664     TCGv_i64 hi = gen_dest_gpr(dc, rd);
2665     TCGv_i64 lo = gen_dest_gpr(dc, rd + 1);
2666 
2667     switch (da.type) {
2668     case GET_ASI_EXCP:
2669         return;
2670 
2671     case GET_ASI_DTWINX:
2672         gen_address_mask(dc, addr);
2673         tcg_gen_qemu_ld_i64(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16);
2674         tcg_gen_addi_tl(addr, addr, 8);
2675         tcg_gen_qemu_ld_i64(lo, addr, da.mem_idx, da.memop);
2676         break;
2677 
2678     case GET_ASI_DIRECT:
2679         {
2680             TCGv_i64 tmp = tcg_temp_new_i64();
2681 
2682             gen_address_mask(dc, addr);
2683             tcg_gen_qemu_ld_i64(tmp, addr, da.mem_idx, da.memop);
2684 
2685             /* Note that LE ldda acts as if each 32-bit register
2686                result is byte swapped.  Having just performed one
2687                64-bit bswap, we need now to swap the writebacks.  */
2688             if ((da.memop & MO_BSWAP) == MO_TE) {
2689                 tcg_gen_extr32_i64(lo, hi, tmp);
2690             } else {
2691                 tcg_gen_extr32_i64(hi, lo, tmp);
2692             }
2693             tcg_temp_free_i64(tmp);
2694         }
2695         break;
2696 
2697     default:
2698         /* ??? In theory we've handled all of the ASIs that are valid
2699            for ldda, and this should raise DAE_invalid_asi.  However,
2700            real hardware allows others.  This can be seen with e.g.
2701            FreeBSD 10.3 wrt ASI_IC_TAG.  */
2702         {
2703             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2704             TCGv_i32 r_mop = tcg_const_i32(da.memop);
2705             TCGv_i64 tmp = tcg_temp_new_i64();
2706 
2707             save_state(dc);
2708             gen_helper_ld_asi(tmp, cpu_env, addr, r_asi, r_mop);
2709             tcg_temp_free_i32(r_asi);
2710             tcg_temp_free_i32(r_mop);
2711 
2712             /* See above.  */
2713             if ((da.memop & MO_BSWAP) == MO_TE) {
2714                 tcg_gen_extr32_i64(lo, hi, tmp);
2715             } else {
2716                 tcg_gen_extr32_i64(hi, lo, tmp);
2717             }
2718             tcg_temp_free_i64(tmp);
2719         }
2720         break;
2721     }
2722 
2723     gen_store_gpr(dc, rd, hi);
2724     gen_store_gpr(dc, rd + 1, lo);
2725 }
2726 
2727 static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr,
2728                          int insn, int rd)
2729 {
2730     DisasASI da = get_asi(dc, insn, MO_TEUQ);
2731     TCGv lo = gen_load_gpr(dc, rd + 1);
2732 
2733     switch (da.type) {
2734     case GET_ASI_EXCP:
2735         break;
2736 
2737     case GET_ASI_DTWINX:
2738         gen_address_mask(dc, addr);
2739         tcg_gen_qemu_st_i64(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16);
2740         tcg_gen_addi_tl(addr, addr, 8);
2741         tcg_gen_qemu_st_i64(lo, addr, da.mem_idx, da.memop);
2742         break;
2743 
2744     case GET_ASI_DIRECT:
2745         {
2746             TCGv_i64 t64 = tcg_temp_new_i64();
2747 
2748             /* Note that LE stda acts as if each 32-bit register result is
2749                byte swapped.  We will perform one 64-bit LE store, so now
2750                we must swap the order of the construction.  */
2751             if ((da.memop & MO_BSWAP) == MO_TE) {
2752                 tcg_gen_concat32_i64(t64, lo, hi);
2753             } else {
2754                 tcg_gen_concat32_i64(t64, hi, lo);
2755             }
2756             gen_address_mask(dc, addr);
2757             tcg_gen_qemu_st_i64(t64, addr, da.mem_idx, da.memop);
2758             tcg_temp_free_i64(t64);
2759         }
2760         break;
2761 
2762     default:
2763         /* ??? In theory we've handled all of the ASIs that are valid
2764            for stda, and this should raise DAE_invalid_asi.  */
2765         {
2766             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2767             TCGv_i32 r_mop = tcg_const_i32(da.memop);
2768             TCGv_i64 t64 = tcg_temp_new_i64();
2769 
2770             /* See above.  */
2771             if ((da.memop & MO_BSWAP) == MO_TE) {
2772                 tcg_gen_concat32_i64(t64, lo, hi);
2773             } else {
2774                 tcg_gen_concat32_i64(t64, hi, lo);
2775             }
2776 
2777             save_state(dc);
2778             gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_mop);
2779             tcg_temp_free_i32(r_mop);
2780             tcg_temp_free_i32(r_asi);
2781             tcg_temp_free_i64(t64);
2782         }
2783         break;
2784     }
2785 }
2786 
2787 static void gen_casx_asi(DisasContext *dc, TCGv addr, TCGv cmpv,
2788                          int insn, int rd)
2789 {
2790     DisasASI da = get_asi(dc, insn, MO_TEUQ);
2791     TCGv oldv;
2792 
2793     switch (da.type) {
2794     case GET_ASI_EXCP:
2795         return;
2796     case GET_ASI_DIRECT:
2797         oldv = tcg_temp_new();
2798         tcg_gen_atomic_cmpxchg_tl(oldv, addr, cmpv, gen_load_gpr(dc, rd),
2799                                   da.mem_idx, da.memop);
2800         gen_store_gpr(dc, rd, oldv);
2801         tcg_temp_free(oldv);
2802         break;
2803     default:
2804         /* ??? Should be DAE_invalid_asi.  */
2805         gen_exception(dc, TT_DATA_ACCESS);
2806         break;
2807     }
2808 }
2809 
2810 #elif !defined(CONFIG_USER_ONLY)
2811 static void gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd)
2812 {
2813     /* ??? Work around an apparent bug in Ubuntu gcc 4.8.2-10ubuntu2+12,
2814        whereby "rd + 1" elicits "error: array subscript is above array".
2815        Since we have already asserted that rd is even, the semantics
2816        are unchanged.  */
2817     TCGv lo = gen_dest_gpr(dc, rd | 1);
2818     TCGv hi = gen_dest_gpr(dc, rd);
2819     TCGv_i64 t64 = tcg_temp_new_i64();
2820     DisasASI da = get_asi(dc, insn, MO_TEUQ);
2821 
2822     switch (da.type) {
2823     case GET_ASI_EXCP:
2824         tcg_temp_free_i64(t64);
2825         return;
2826     case GET_ASI_DIRECT:
2827         gen_address_mask(dc, addr);
2828         tcg_gen_qemu_ld_i64(t64, addr, da.mem_idx, da.memop);
2829         break;
2830     default:
2831         {
2832             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2833             TCGv_i32 r_mop = tcg_const_i32(MO_UQ);
2834 
2835             save_state(dc);
2836             gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_mop);
2837             tcg_temp_free_i32(r_mop);
2838             tcg_temp_free_i32(r_asi);
2839         }
2840         break;
2841     }
2842 
2843     tcg_gen_extr_i64_i32(lo, hi, t64);
2844     tcg_temp_free_i64(t64);
2845     gen_store_gpr(dc, rd | 1, lo);
2846     gen_store_gpr(dc, rd, hi);
2847 }
2848 
2849 static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr,
2850                          int insn, int rd)
2851 {
2852     DisasASI da = get_asi(dc, insn, MO_TEUQ);
2853     TCGv lo = gen_load_gpr(dc, rd + 1);
2854     TCGv_i64 t64 = tcg_temp_new_i64();
2855 
2856     tcg_gen_concat_tl_i64(t64, lo, hi);
2857 
2858     switch (da.type) {
2859     case GET_ASI_EXCP:
2860         break;
2861     case GET_ASI_DIRECT:
2862         gen_address_mask(dc, addr);
2863         tcg_gen_qemu_st_i64(t64, addr, da.mem_idx, da.memop);
2864         break;
2865     case GET_ASI_BFILL:
2866         /* Store 32 bytes of T64 to ADDR.  */
2867         /* ??? The original qemu code suggests 8-byte alignment, dropping
2868            the low bits, but the only place I can see this used is in the
2869            Linux kernel with 32 byte alignment, which would make more sense
2870            as a cacheline-style operation.  */
2871         {
2872             TCGv d_addr = tcg_temp_new();
2873             TCGv eight = tcg_const_tl(8);
2874             int i;
2875 
2876             tcg_gen_andi_tl(d_addr, addr, -8);
2877             for (i = 0; i < 32; i += 8) {
2878                 tcg_gen_qemu_st_i64(t64, d_addr, da.mem_idx, da.memop);
2879                 tcg_gen_add_tl(d_addr, d_addr, eight);
2880             }
2881 
2882             tcg_temp_free(d_addr);
2883             tcg_temp_free(eight);
2884         }
2885         break;
2886     default:
2887         {
2888             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2889             TCGv_i32 r_mop = tcg_const_i32(MO_UQ);
2890 
2891             save_state(dc);
2892             gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_mop);
2893             tcg_temp_free_i32(r_mop);
2894             tcg_temp_free_i32(r_asi);
2895         }
2896         break;
2897     }
2898 
2899     tcg_temp_free_i64(t64);
2900 }
2901 #endif
2902 
2903 static TCGv get_src1(DisasContext *dc, unsigned int insn)
2904 {
2905     unsigned int rs1 = GET_FIELD(insn, 13, 17);
2906     return gen_load_gpr(dc, rs1);
2907 }
2908 
2909 static TCGv get_src2(DisasContext *dc, unsigned int insn)
2910 {
2911     if (IS_IMM) { /* immediate */
2912         target_long simm = GET_FIELDs(insn, 19, 31);
2913         TCGv t = get_temp_tl(dc);
2914         tcg_gen_movi_tl(t, simm);
2915         return t;
2916     } else {      /* register */
2917         unsigned int rs2 = GET_FIELD(insn, 27, 31);
2918         return gen_load_gpr(dc, rs2);
2919     }
2920 }
2921 
2922 #ifdef TARGET_SPARC64
2923 static void gen_fmovs(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2924 {
2925     TCGv_i32 c32, zero, dst, s1, s2;
2926 
2927     /* We have two choices here: extend the 32 bit data and use movcond_i64,
2928        or fold the comparison down to 32 bits and use movcond_i32.  Choose
2929        the later.  */
2930     c32 = tcg_temp_new_i32();
2931     if (cmp->is_bool) {
2932         tcg_gen_extrl_i64_i32(c32, cmp->c1);
2933     } else {
2934         TCGv_i64 c64 = tcg_temp_new_i64();
2935         tcg_gen_setcond_i64(cmp->cond, c64, cmp->c1, cmp->c2);
2936         tcg_gen_extrl_i64_i32(c32, c64);
2937         tcg_temp_free_i64(c64);
2938     }
2939 
2940     s1 = gen_load_fpr_F(dc, rs);
2941     s2 = gen_load_fpr_F(dc, rd);
2942     dst = gen_dest_fpr_F(dc);
2943     zero = tcg_const_i32(0);
2944 
2945     tcg_gen_movcond_i32(TCG_COND_NE, dst, c32, zero, s1, s2);
2946 
2947     tcg_temp_free_i32(c32);
2948     tcg_temp_free_i32(zero);
2949     gen_store_fpr_F(dc, rd, dst);
2950 }
2951 
2952 static void gen_fmovd(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2953 {
2954     TCGv_i64 dst = gen_dest_fpr_D(dc, rd);
2955     tcg_gen_movcond_i64(cmp->cond, dst, cmp->c1, cmp->c2,
2956                         gen_load_fpr_D(dc, rs),
2957                         gen_load_fpr_D(dc, rd));
2958     gen_store_fpr_D(dc, rd, dst);
2959 }
2960 
2961 static void gen_fmovq(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2962 {
2963     int qd = QFPREG(rd);
2964     int qs = QFPREG(rs);
2965 
2966     tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2], cmp->c1, cmp->c2,
2967                         cpu_fpr[qs / 2], cpu_fpr[qd / 2]);
2968     tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2 + 1], cmp->c1, cmp->c2,
2969                         cpu_fpr[qs / 2 + 1], cpu_fpr[qd / 2 + 1]);
2970 
2971     gen_update_fprs_dirty(dc, qd);
2972 }
2973 
2974 #ifndef CONFIG_USER_ONLY
2975 static inline void gen_load_trap_state_at_tl(TCGv_ptr r_tsptr, TCGv_env cpu_env)
2976 {
2977     TCGv_i32 r_tl = tcg_temp_new_i32();
2978 
2979     /* load env->tl into r_tl */
2980     tcg_gen_ld_i32(r_tl, cpu_env, offsetof(CPUSPARCState, tl));
2981 
2982     /* tl = [0 ... MAXTL_MASK] where MAXTL_MASK must be power of 2 */
2983     tcg_gen_andi_i32(r_tl, r_tl, MAXTL_MASK);
2984 
2985     /* calculate offset to current trap state from env->ts, reuse r_tl */
2986     tcg_gen_muli_i32(r_tl, r_tl, sizeof (trap_state));
2987     tcg_gen_addi_ptr(r_tsptr, cpu_env, offsetof(CPUSPARCState, ts));
2988 
2989     /* tsptr = env->ts[env->tl & MAXTL_MASK] */
2990     {
2991         TCGv_ptr r_tl_tmp = tcg_temp_new_ptr();
2992         tcg_gen_ext_i32_ptr(r_tl_tmp, r_tl);
2993         tcg_gen_add_ptr(r_tsptr, r_tsptr, r_tl_tmp);
2994         tcg_temp_free_ptr(r_tl_tmp);
2995     }
2996 
2997     tcg_temp_free_i32(r_tl);
2998 }
2999 #endif
3000 
3001 static void gen_edge(DisasContext *dc, TCGv dst, TCGv s1, TCGv s2,
3002                      int width, bool cc, bool left)
3003 {
3004     TCGv lo1, lo2, t1, t2;
3005     uint64_t amask, tabl, tabr;
3006     int shift, imask, omask;
3007 
3008     if (cc) {
3009         tcg_gen_mov_tl(cpu_cc_src, s1);
3010         tcg_gen_mov_tl(cpu_cc_src2, s2);
3011         tcg_gen_sub_tl(cpu_cc_dst, s1, s2);
3012         tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
3013         dc->cc_op = CC_OP_SUB;
3014     }
3015 
3016     /* Theory of operation: there are two tables, left and right (not to
3017        be confused with the left and right versions of the opcode).  These
3018        are indexed by the low 3 bits of the inputs.  To make things "easy",
3019        these tables are loaded into two constants, TABL and TABR below.
3020        The operation index = (input & imask) << shift calculates the index
3021        into the constant, while val = (table >> index) & omask calculates
3022        the value we're looking for.  */
3023     switch (width) {
3024     case 8:
3025         imask = 0x7;
3026         shift = 3;
3027         omask = 0xff;
3028         if (left) {
3029             tabl = 0x80c0e0f0f8fcfeffULL;
3030             tabr = 0xff7f3f1f0f070301ULL;
3031         } else {
3032             tabl = 0x0103070f1f3f7fffULL;
3033             tabr = 0xfffefcf8f0e0c080ULL;
3034         }
3035         break;
3036     case 16:
3037         imask = 0x6;
3038         shift = 1;
3039         omask = 0xf;
3040         if (left) {
3041             tabl = 0x8cef;
3042             tabr = 0xf731;
3043         } else {
3044             tabl = 0x137f;
3045             tabr = 0xfec8;
3046         }
3047         break;
3048     case 32:
3049         imask = 0x4;
3050         shift = 0;
3051         omask = 0x3;
3052         if (left) {
3053             tabl = (2 << 2) | 3;
3054             tabr = (3 << 2) | 1;
3055         } else {
3056             tabl = (1 << 2) | 3;
3057             tabr = (3 << 2) | 2;
3058         }
3059         break;
3060     default:
3061         abort();
3062     }
3063 
3064     lo1 = tcg_temp_new();
3065     lo2 = tcg_temp_new();
3066     tcg_gen_andi_tl(lo1, s1, imask);
3067     tcg_gen_andi_tl(lo2, s2, imask);
3068     tcg_gen_shli_tl(lo1, lo1, shift);
3069     tcg_gen_shli_tl(lo2, lo2, shift);
3070 
3071     t1 = tcg_const_tl(tabl);
3072     t2 = tcg_const_tl(tabr);
3073     tcg_gen_shr_tl(lo1, t1, lo1);
3074     tcg_gen_shr_tl(lo2, t2, lo2);
3075     tcg_gen_andi_tl(dst, lo1, omask);
3076     tcg_gen_andi_tl(lo2, lo2, omask);
3077 
3078     amask = -8;
3079     if (AM_CHECK(dc)) {
3080         amask &= 0xffffffffULL;
3081     }
3082     tcg_gen_andi_tl(s1, s1, amask);
3083     tcg_gen_andi_tl(s2, s2, amask);
3084 
3085     /* We want to compute
3086         dst = (s1 == s2 ? lo1 : lo1 & lo2).
3087        We've already done dst = lo1, so this reduces to
3088         dst &= (s1 == s2 ? -1 : lo2)
3089        Which we perform by
3090         lo2 |= -(s1 == s2)
3091         dst &= lo2
3092     */
3093     tcg_gen_setcond_tl(TCG_COND_EQ, t1, s1, s2);
3094     tcg_gen_neg_tl(t1, t1);
3095     tcg_gen_or_tl(lo2, lo2, t1);
3096     tcg_gen_and_tl(dst, dst, lo2);
3097 
3098     tcg_temp_free(lo1);
3099     tcg_temp_free(lo2);
3100     tcg_temp_free(t1);
3101     tcg_temp_free(t2);
3102 }
3103 
3104 static void gen_alignaddr(TCGv dst, TCGv s1, TCGv s2, bool left)
3105 {
3106     TCGv tmp = tcg_temp_new();
3107 
3108     tcg_gen_add_tl(tmp, s1, s2);
3109     tcg_gen_andi_tl(dst, tmp, -8);
3110     if (left) {
3111         tcg_gen_neg_tl(tmp, tmp);
3112     }
3113     tcg_gen_deposit_tl(cpu_gsr, cpu_gsr, tmp, 0, 3);
3114 
3115     tcg_temp_free(tmp);
3116 }
3117 
3118 static void gen_faligndata(TCGv dst, TCGv gsr, TCGv s1, TCGv s2)
3119 {
3120     TCGv t1, t2, shift;
3121 
3122     t1 = tcg_temp_new();
3123     t2 = tcg_temp_new();
3124     shift = tcg_temp_new();
3125 
3126     tcg_gen_andi_tl(shift, gsr, 7);
3127     tcg_gen_shli_tl(shift, shift, 3);
3128     tcg_gen_shl_tl(t1, s1, shift);
3129 
3130     /* A shift of 64 does not produce 0 in TCG.  Divide this into a
3131        shift of (up to 63) followed by a constant shift of 1.  */
3132     tcg_gen_xori_tl(shift, shift, 63);
3133     tcg_gen_shr_tl(t2, s2, shift);
3134     tcg_gen_shri_tl(t2, t2, 1);
3135 
3136     tcg_gen_or_tl(dst, t1, t2);
3137 
3138     tcg_temp_free(t1);
3139     tcg_temp_free(t2);
3140     tcg_temp_free(shift);
3141 }
3142 #endif
3143 
3144 #define CHECK_IU_FEATURE(dc, FEATURE)                      \
3145     if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE))  \
3146         goto illegal_insn;
3147 #define CHECK_FPU_FEATURE(dc, FEATURE)                     \
3148     if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE))  \
3149         goto nfpu_insn;
3150 
3151 /* before an instruction, dc->pc must be static */
3152 static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
3153 {
3154     unsigned int opc, rs1, rs2, rd;
3155     TCGv cpu_src1, cpu_src2;
3156     TCGv_i32 cpu_src1_32, cpu_src2_32, cpu_dst_32;
3157     TCGv_i64 cpu_src1_64, cpu_src2_64, cpu_dst_64;
3158     target_long simm;
3159 
3160     opc = GET_FIELD(insn, 0, 1);
3161     rd = GET_FIELD(insn, 2, 6);
3162 
3163     switch (opc) {
3164     case 0:                     /* branches/sethi */
3165         {
3166             unsigned int xop = GET_FIELD(insn, 7, 9);
3167             int32_t target;
3168             switch (xop) {
3169 #ifdef TARGET_SPARC64
3170             case 0x1:           /* V9 BPcc */
3171                 {
3172                     int cc;
3173 
3174                     target = GET_FIELD_SP(insn, 0, 18);
3175                     target = sign_extend(target, 19);
3176                     target <<= 2;
3177                     cc = GET_FIELD_SP(insn, 20, 21);
3178                     if (cc == 0)
3179                         do_branch(dc, target, insn, 0);
3180                     else if (cc == 2)
3181                         do_branch(dc, target, insn, 1);
3182                     else
3183                         goto illegal_insn;
3184                     goto jmp_insn;
3185                 }
3186             case 0x3:           /* V9 BPr */
3187                 {
3188                     target = GET_FIELD_SP(insn, 0, 13) |
3189                         (GET_FIELD_SP(insn, 20, 21) << 14);
3190                     target = sign_extend(target, 16);
3191                     target <<= 2;
3192                     cpu_src1 = get_src1(dc, insn);
3193                     do_branch_reg(dc, target, insn, cpu_src1);
3194                     goto jmp_insn;
3195                 }
3196             case 0x5:           /* V9 FBPcc */
3197                 {
3198                     int cc = GET_FIELD_SP(insn, 20, 21);
3199                     if (gen_trap_ifnofpu(dc)) {
3200                         goto jmp_insn;
3201                     }
3202                     target = GET_FIELD_SP(insn, 0, 18);
3203                     target = sign_extend(target, 19);
3204                     target <<= 2;
3205                     do_fbranch(dc, target, insn, cc);
3206                     goto jmp_insn;
3207                 }
3208 #else
3209             case 0x7:           /* CBN+x */
3210                 {
3211                     goto ncp_insn;
3212                 }
3213 #endif
3214             case 0x2:           /* BN+x */
3215                 {
3216                     target = GET_FIELD(insn, 10, 31);
3217                     target = sign_extend(target, 22);
3218                     target <<= 2;
3219                     do_branch(dc, target, insn, 0);
3220                     goto jmp_insn;
3221                 }
3222             case 0x6:           /* FBN+x */
3223                 {
3224                     if (gen_trap_ifnofpu(dc)) {
3225                         goto jmp_insn;
3226                     }
3227                     target = GET_FIELD(insn, 10, 31);
3228                     target = sign_extend(target, 22);
3229                     target <<= 2;
3230                     do_fbranch(dc, target, insn, 0);
3231                     goto jmp_insn;
3232                 }
3233             case 0x4:           /* SETHI */
3234                 /* Special-case %g0 because that's the canonical nop.  */
3235                 if (rd) {
3236                     uint32_t value = GET_FIELD(insn, 10, 31);
3237                     TCGv t = gen_dest_gpr(dc, rd);
3238                     tcg_gen_movi_tl(t, value << 10);
3239                     gen_store_gpr(dc, rd, t);
3240                 }
3241                 break;
3242             case 0x0:           /* UNIMPL */
3243             default:
3244                 goto illegal_insn;
3245             }
3246             break;
3247         }
3248         break;
3249     case 1:                     /*CALL*/
3250         {
3251             target_long target = GET_FIELDs(insn, 2, 31) << 2;
3252             TCGv o7 = gen_dest_gpr(dc, 15);
3253 
3254             tcg_gen_movi_tl(o7, dc->pc);
3255             gen_store_gpr(dc, 15, o7);
3256             target += dc->pc;
3257             gen_mov_pc_npc(dc);
3258 #ifdef TARGET_SPARC64
3259             if (unlikely(AM_CHECK(dc))) {
3260                 target &= 0xffffffffULL;
3261             }
3262 #endif
3263             dc->npc = target;
3264         }
3265         goto jmp_insn;
3266     case 2:                     /* FPU & Logical Operations */
3267         {
3268             unsigned int xop = GET_FIELD(insn, 7, 12);
3269             TCGv cpu_dst = get_temp_tl(dc);
3270             TCGv cpu_tmp0;
3271 
3272             if (xop == 0x3a) {  /* generate trap */
3273                 int cond = GET_FIELD(insn, 3, 6);
3274                 TCGv_i32 trap;
3275                 TCGLabel *l1 = NULL;
3276                 int mask;
3277 
3278                 if (cond == 0) {
3279                     /* Trap never.  */
3280                     break;
3281                 }
3282 
3283                 save_state(dc);
3284 
3285                 if (cond != 8) {
3286                     /* Conditional trap.  */
3287                     DisasCompare cmp;
3288 #ifdef TARGET_SPARC64
3289                     /* V9 icc/xcc */
3290                     int cc = GET_FIELD_SP(insn, 11, 12);
3291                     if (cc == 0) {
3292                         gen_compare(&cmp, 0, cond, dc);
3293                     } else if (cc == 2) {
3294                         gen_compare(&cmp, 1, cond, dc);
3295                     } else {
3296                         goto illegal_insn;
3297                     }
3298 #else
3299                     gen_compare(&cmp, 0, cond, dc);
3300 #endif
3301                     l1 = gen_new_label();
3302                     tcg_gen_brcond_tl(tcg_invert_cond(cmp.cond),
3303                                       cmp.c1, cmp.c2, l1);
3304                     free_compare(&cmp);
3305                 }
3306 
3307                 mask = ((dc->def->features & CPU_FEATURE_HYPV) && supervisor(dc)
3308                         ? UA2005_HTRAP_MASK : V8_TRAP_MASK);
3309 
3310                 /* Don't use the normal temporaries, as they may well have
3311                    gone out of scope with the branch above.  While we're
3312                    doing that we might as well pre-truncate to 32-bit.  */
3313                 trap = tcg_temp_new_i32();
3314 
3315                 rs1 = GET_FIELD_SP(insn, 14, 18);
3316                 if (IS_IMM) {
3317                     rs2 = GET_FIELD_SP(insn, 0, 7);
3318                     if (rs1 == 0) {
3319                         tcg_gen_movi_i32(trap, (rs2 & mask) + TT_TRAP);
3320                         /* Signal that the trap value is fully constant.  */
3321                         mask = 0;
3322                     } else {
3323                         TCGv t1 = gen_load_gpr(dc, rs1);
3324                         tcg_gen_trunc_tl_i32(trap, t1);
3325                         tcg_gen_addi_i32(trap, trap, rs2);
3326                     }
3327                 } else {
3328                     TCGv t1, t2;
3329                     rs2 = GET_FIELD_SP(insn, 0, 4);
3330                     t1 = gen_load_gpr(dc, rs1);
3331                     t2 = gen_load_gpr(dc, rs2);
3332                     tcg_gen_add_tl(t1, t1, t2);
3333                     tcg_gen_trunc_tl_i32(trap, t1);
3334                 }
3335                 if (mask != 0) {
3336                     tcg_gen_andi_i32(trap, trap, mask);
3337                     tcg_gen_addi_i32(trap, trap, TT_TRAP);
3338                 }
3339 
3340                 gen_helper_raise_exception(cpu_env, trap);
3341                 tcg_temp_free_i32(trap);
3342 
3343                 if (cond == 8) {
3344                     /* An unconditional trap ends the TB.  */
3345                     dc->base.is_jmp = DISAS_NORETURN;
3346                     goto jmp_insn;
3347                 } else {
3348                     /* A conditional trap falls through to the next insn.  */
3349                     gen_set_label(l1);
3350                     break;
3351                 }
3352             } else if (xop == 0x28) {
3353                 rs1 = GET_FIELD(insn, 13, 17);
3354                 switch(rs1) {
3355                 case 0: /* rdy */
3356 #ifndef TARGET_SPARC64
3357                 case 0x01 ... 0x0e: /* undefined in the SPARCv8
3358                                        manual, rdy on the microSPARC
3359                                        II */
3360                 case 0x0f:          /* stbar in the SPARCv8 manual,
3361                                        rdy on the microSPARC II */
3362                 case 0x10 ... 0x1f: /* implementation-dependent in the
3363                                        SPARCv8 manual, rdy on the
3364                                        microSPARC II */
3365                     /* Read Asr17 */
3366                     if (rs1 == 0x11 && dc->def->features & CPU_FEATURE_ASR17) {
3367                         TCGv t = gen_dest_gpr(dc, rd);
3368                         /* Read Asr17 for a Leon3 monoprocessor */
3369                         tcg_gen_movi_tl(t, (1 << 8) | (dc->def->nwindows - 1));
3370                         gen_store_gpr(dc, rd, t);
3371                         break;
3372                     }
3373 #endif
3374                     gen_store_gpr(dc, rd, cpu_y);
3375                     break;
3376 #ifdef TARGET_SPARC64
3377                 case 0x2: /* V9 rdccr */
3378                     update_psr(dc);
3379                     gen_helper_rdccr(cpu_dst, cpu_env);
3380                     gen_store_gpr(dc, rd, cpu_dst);
3381                     break;
3382                 case 0x3: /* V9 rdasi */
3383                     tcg_gen_movi_tl(cpu_dst, dc->asi);
3384                     gen_store_gpr(dc, rd, cpu_dst);
3385                     break;
3386                 case 0x4: /* V9 rdtick */
3387                     {
3388                         TCGv_ptr r_tickptr;
3389                         TCGv_i32 r_const;
3390 
3391                         r_tickptr = tcg_temp_new_ptr();
3392                         r_const = tcg_const_i32(dc->mem_idx);
3393                         tcg_gen_ld_ptr(r_tickptr, cpu_env,
3394                                        offsetof(CPUSPARCState, tick));
3395                         if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3396                             gen_io_start();
3397                         }
3398                         gen_helper_tick_get_count(cpu_dst, cpu_env, r_tickptr,
3399                                                   r_const);
3400                         tcg_temp_free_ptr(r_tickptr);
3401                         tcg_temp_free_i32(r_const);
3402                         gen_store_gpr(dc, rd, cpu_dst);
3403                         if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3404                             /* I/O operations in icount mode must end the TB */
3405                             dc->base.is_jmp = DISAS_EXIT;
3406                         }
3407                     }
3408                     break;
3409                 case 0x5: /* V9 rdpc */
3410                     {
3411                         TCGv t = gen_dest_gpr(dc, rd);
3412                         if (unlikely(AM_CHECK(dc))) {
3413                             tcg_gen_movi_tl(t, dc->pc & 0xffffffffULL);
3414                         } else {
3415                             tcg_gen_movi_tl(t, dc->pc);
3416                         }
3417                         gen_store_gpr(dc, rd, t);
3418                     }
3419                     break;
3420                 case 0x6: /* V9 rdfprs */
3421                     tcg_gen_ext_i32_tl(cpu_dst, cpu_fprs);
3422                     gen_store_gpr(dc, rd, cpu_dst);
3423                     break;
3424                 case 0xf: /* V9 membar */
3425                     break; /* no effect */
3426                 case 0x13: /* Graphics Status */
3427                     if (gen_trap_ifnofpu(dc)) {
3428                         goto jmp_insn;
3429                     }
3430                     gen_store_gpr(dc, rd, cpu_gsr);
3431                     break;
3432                 case 0x16: /* Softint */
3433                     tcg_gen_ld32s_tl(cpu_dst, cpu_env,
3434                                      offsetof(CPUSPARCState, softint));
3435                     gen_store_gpr(dc, rd, cpu_dst);
3436                     break;
3437                 case 0x17: /* Tick compare */
3438                     gen_store_gpr(dc, rd, cpu_tick_cmpr);
3439                     break;
3440                 case 0x18: /* System tick */
3441                     {
3442                         TCGv_ptr r_tickptr;
3443                         TCGv_i32 r_const;
3444 
3445                         r_tickptr = tcg_temp_new_ptr();
3446                         r_const = tcg_const_i32(dc->mem_idx);
3447                         tcg_gen_ld_ptr(r_tickptr, cpu_env,
3448                                        offsetof(CPUSPARCState, stick));
3449                         if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3450                             gen_io_start();
3451                         }
3452                         gen_helper_tick_get_count(cpu_dst, cpu_env, r_tickptr,
3453                                                   r_const);
3454                         tcg_temp_free_ptr(r_tickptr);
3455                         tcg_temp_free_i32(r_const);
3456                         gen_store_gpr(dc, rd, cpu_dst);
3457                         if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3458                             /* I/O operations in icount mode must end the TB */
3459                             dc->base.is_jmp = DISAS_EXIT;
3460                         }
3461                     }
3462                     break;
3463                 case 0x19: /* System tick compare */
3464                     gen_store_gpr(dc, rd, cpu_stick_cmpr);
3465                     break;
3466                 case 0x1a: /* UltraSPARC-T1 Strand status */
3467                     /* XXX HYPV check maybe not enough, UA2005 & UA2007 describe
3468                      * this ASR as impl. dep
3469                      */
3470                     CHECK_IU_FEATURE(dc, HYPV);
3471                     {
3472                         TCGv t = gen_dest_gpr(dc, rd);
3473                         tcg_gen_movi_tl(t, 1UL);
3474                         gen_store_gpr(dc, rd, t);
3475                     }
3476                     break;
3477                 case 0x10: /* Performance Control */
3478                 case 0x11: /* Performance Instrumentation Counter */
3479                 case 0x12: /* Dispatch Control */
3480                 case 0x14: /* Softint set, WO */
3481                 case 0x15: /* Softint clear, WO */
3482 #endif
3483                 default:
3484                     goto illegal_insn;
3485                 }
3486 #if !defined(CONFIG_USER_ONLY)
3487             } else if (xop == 0x29) { /* rdpsr / UA2005 rdhpr */
3488 #ifndef TARGET_SPARC64
3489                 if (!supervisor(dc)) {
3490                     goto priv_insn;
3491                 }
3492                 update_psr(dc);
3493                 gen_helper_rdpsr(cpu_dst, cpu_env);
3494 #else
3495                 CHECK_IU_FEATURE(dc, HYPV);
3496                 if (!hypervisor(dc))
3497                     goto priv_insn;
3498                 rs1 = GET_FIELD(insn, 13, 17);
3499                 switch (rs1) {
3500                 case 0: // hpstate
3501                     tcg_gen_ld_i64(cpu_dst, cpu_env,
3502                                    offsetof(CPUSPARCState, hpstate));
3503                     break;
3504                 case 1: // htstate
3505                     // gen_op_rdhtstate();
3506                     break;
3507                 case 3: // hintp
3508                     tcg_gen_mov_tl(cpu_dst, cpu_hintp);
3509                     break;
3510                 case 5: // htba
3511                     tcg_gen_mov_tl(cpu_dst, cpu_htba);
3512                     break;
3513                 case 6: // hver
3514                     tcg_gen_mov_tl(cpu_dst, cpu_hver);
3515                     break;
3516                 case 31: // hstick_cmpr
3517                     tcg_gen_mov_tl(cpu_dst, cpu_hstick_cmpr);
3518                     break;
3519                 default:
3520                     goto illegal_insn;
3521                 }
3522 #endif
3523                 gen_store_gpr(dc, rd, cpu_dst);
3524                 break;
3525             } else if (xop == 0x2a) { /* rdwim / V9 rdpr */
3526                 if (!supervisor(dc)) {
3527                     goto priv_insn;
3528                 }
3529                 cpu_tmp0 = get_temp_tl(dc);
3530 #ifdef TARGET_SPARC64
3531                 rs1 = GET_FIELD(insn, 13, 17);
3532                 switch (rs1) {
3533                 case 0: // tpc
3534                     {
3535                         TCGv_ptr r_tsptr;
3536 
3537                         r_tsptr = tcg_temp_new_ptr();
3538                         gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3539                         tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
3540                                       offsetof(trap_state, tpc));
3541                         tcg_temp_free_ptr(r_tsptr);
3542                     }
3543                     break;
3544                 case 1: // tnpc
3545                     {
3546                         TCGv_ptr r_tsptr;
3547 
3548                         r_tsptr = tcg_temp_new_ptr();
3549                         gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3550                         tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
3551                                       offsetof(trap_state, tnpc));
3552                         tcg_temp_free_ptr(r_tsptr);
3553                     }
3554                     break;
3555                 case 2: // tstate
3556                     {
3557                         TCGv_ptr r_tsptr;
3558 
3559                         r_tsptr = tcg_temp_new_ptr();
3560                         gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3561                         tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
3562                                       offsetof(trap_state, tstate));
3563                         tcg_temp_free_ptr(r_tsptr);
3564                     }
3565                     break;
3566                 case 3: // tt
3567                     {
3568                         TCGv_ptr r_tsptr = tcg_temp_new_ptr();
3569 
3570                         gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3571                         tcg_gen_ld32s_tl(cpu_tmp0, r_tsptr,
3572                                          offsetof(trap_state, tt));
3573                         tcg_temp_free_ptr(r_tsptr);
3574                     }
3575                     break;
3576                 case 4: // tick
3577                     {
3578                         TCGv_ptr r_tickptr;
3579                         TCGv_i32 r_const;
3580 
3581                         r_tickptr = tcg_temp_new_ptr();
3582                         r_const = tcg_const_i32(dc->mem_idx);
3583                         tcg_gen_ld_ptr(r_tickptr, cpu_env,
3584                                        offsetof(CPUSPARCState, tick));
3585                         if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3586                             gen_io_start();
3587                         }
3588                         gen_helper_tick_get_count(cpu_tmp0, cpu_env,
3589                                                   r_tickptr, r_const);
3590                         tcg_temp_free_ptr(r_tickptr);
3591                         tcg_temp_free_i32(r_const);
3592                         if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3593                             /* I/O operations in icount mode must end the TB */
3594                             dc->base.is_jmp = DISAS_EXIT;
3595                         }
3596                     }
3597                     break;
3598                 case 5: // tba
3599                     tcg_gen_mov_tl(cpu_tmp0, cpu_tbr);
3600                     break;
3601                 case 6: // pstate
3602                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3603                                      offsetof(CPUSPARCState, pstate));
3604                     break;
3605                 case 7: // tl
3606                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3607                                      offsetof(CPUSPARCState, tl));
3608                     break;
3609                 case 8: // pil
3610                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3611                                      offsetof(CPUSPARCState, psrpil));
3612                     break;
3613                 case 9: // cwp
3614                     gen_helper_rdcwp(cpu_tmp0, cpu_env);
3615                     break;
3616                 case 10: // cansave
3617                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3618                                      offsetof(CPUSPARCState, cansave));
3619                     break;
3620                 case 11: // canrestore
3621                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3622                                      offsetof(CPUSPARCState, canrestore));
3623                     break;
3624                 case 12: // cleanwin
3625                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3626                                      offsetof(CPUSPARCState, cleanwin));
3627                     break;
3628                 case 13: // otherwin
3629                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3630                                      offsetof(CPUSPARCState, otherwin));
3631                     break;
3632                 case 14: // wstate
3633                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3634                                      offsetof(CPUSPARCState, wstate));
3635                     break;
3636                 case 16: // UA2005 gl
3637                     CHECK_IU_FEATURE(dc, GL);
3638                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3639                                      offsetof(CPUSPARCState, gl));
3640                     break;
3641                 case 26: // UA2005 strand status
3642                     CHECK_IU_FEATURE(dc, HYPV);
3643                     if (!hypervisor(dc))
3644                         goto priv_insn;
3645                     tcg_gen_mov_tl(cpu_tmp0, cpu_ssr);
3646                     break;
3647                 case 31: // ver
3648                     tcg_gen_mov_tl(cpu_tmp0, cpu_ver);
3649                     break;
3650                 case 15: // fq
3651                 default:
3652                     goto illegal_insn;
3653                 }
3654 #else
3655                 tcg_gen_ext_i32_tl(cpu_tmp0, cpu_wim);
3656 #endif
3657                 gen_store_gpr(dc, rd, cpu_tmp0);
3658                 break;
3659 #endif
3660 #if defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)
3661             } else if (xop == 0x2b) { /* rdtbr / V9 flushw */
3662 #ifdef TARGET_SPARC64
3663                 gen_helper_flushw(cpu_env);
3664 #else
3665                 if (!supervisor(dc))
3666                     goto priv_insn;
3667                 gen_store_gpr(dc, rd, cpu_tbr);
3668 #endif
3669                 break;
3670 #endif
3671             } else if (xop == 0x34) {   /* FPU Operations */
3672                 if (gen_trap_ifnofpu(dc)) {
3673                     goto jmp_insn;
3674                 }
3675                 gen_op_clear_ieee_excp_and_FTT();
3676                 rs1 = GET_FIELD(insn, 13, 17);
3677                 rs2 = GET_FIELD(insn, 27, 31);
3678                 xop = GET_FIELD(insn, 18, 26);
3679 
3680                 switch (xop) {
3681                 case 0x1: /* fmovs */
3682                     cpu_src1_32 = gen_load_fpr_F(dc, rs2);
3683                     gen_store_fpr_F(dc, rd, cpu_src1_32);
3684                     break;
3685                 case 0x5: /* fnegs */
3686                     gen_ne_fop_FF(dc, rd, rs2, gen_helper_fnegs);
3687                     break;
3688                 case 0x9: /* fabss */
3689                     gen_ne_fop_FF(dc, rd, rs2, gen_helper_fabss);
3690                     break;
3691                 case 0x29: /* fsqrts */
3692                     CHECK_FPU_FEATURE(dc, FSQRT);
3693                     gen_fop_FF(dc, rd, rs2, gen_helper_fsqrts);
3694                     break;
3695                 case 0x2a: /* fsqrtd */
3696                     CHECK_FPU_FEATURE(dc, FSQRT);
3697                     gen_fop_DD(dc, rd, rs2, gen_helper_fsqrtd);
3698                     break;
3699                 case 0x2b: /* fsqrtq */
3700                     CHECK_FPU_FEATURE(dc, FLOAT128);
3701                     gen_fop_QQ(dc, rd, rs2, gen_helper_fsqrtq);
3702                     break;
3703                 case 0x41: /* fadds */
3704                     gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fadds);
3705                     break;
3706                 case 0x42: /* faddd */
3707                     gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_faddd);
3708                     break;
3709                 case 0x43: /* faddq */
3710                     CHECK_FPU_FEATURE(dc, FLOAT128);
3711                     gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_faddq);
3712                     break;
3713                 case 0x45: /* fsubs */
3714                     gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fsubs);
3715                     break;
3716                 case 0x46: /* fsubd */
3717                     gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fsubd);
3718                     break;
3719                 case 0x47: /* fsubq */
3720                     CHECK_FPU_FEATURE(dc, FLOAT128);
3721                     gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fsubq);
3722                     break;
3723                 case 0x49: /* fmuls */
3724                     CHECK_FPU_FEATURE(dc, FMUL);
3725                     gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fmuls);
3726                     break;
3727                 case 0x4a: /* fmuld */
3728                     CHECK_FPU_FEATURE(dc, FMUL);
3729                     gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld);
3730                     break;
3731                 case 0x4b: /* fmulq */
3732                     CHECK_FPU_FEATURE(dc, FLOAT128);
3733                     CHECK_FPU_FEATURE(dc, FMUL);
3734                     gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fmulq);
3735                     break;
3736                 case 0x4d: /* fdivs */
3737                     gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fdivs);
3738                     break;
3739                 case 0x4e: /* fdivd */
3740                     gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fdivd);
3741                     break;
3742                 case 0x4f: /* fdivq */
3743                     CHECK_FPU_FEATURE(dc, FLOAT128);
3744                     gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fdivq);
3745                     break;
3746                 case 0x69: /* fsmuld */
3747                     CHECK_FPU_FEATURE(dc, FSMULD);
3748                     gen_fop_DFF(dc, rd, rs1, rs2, gen_helper_fsmuld);
3749                     break;
3750                 case 0x6e: /* fdmulq */
3751                     CHECK_FPU_FEATURE(dc, FLOAT128);
3752                     gen_fop_QDD(dc, rd, rs1, rs2, gen_helper_fdmulq);
3753                     break;
3754                 case 0xc4: /* fitos */
3755                     gen_fop_FF(dc, rd, rs2, gen_helper_fitos);
3756                     break;
3757                 case 0xc6: /* fdtos */
3758                     gen_fop_FD(dc, rd, rs2, gen_helper_fdtos);
3759                     break;
3760                 case 0xc7: /* fqtos */
3761                     CHECK_FPU_FEATURE(dc, FLOAT128);
3762                     gen_fop_FQ(dc, rd, rs2, gen_helper_fqtos);
3763                     break;
3764                 case 0xc8: /* fitod */
3765                     gen_ne_fop_DF(dc, rd, rs2, gen_helper_fitod);
3766                     break;
3767                 case 0xc9: /* fstod */
3768                     gen_ne_fop_DF(dc, rd, rs2, gen_helper_fstod);
3769                     break;
3770                 case 0xcb: /* fqtod */
3771                     CHECK_FPU_FEATURE(dc, FLOAT128);
3772                     gen_fop_DQ(dc, rd, rs2, gen_helper_fqtod);
3773                     break;
3774                 case 0xcc: /* fitoq */
3775                     CHECK_FPU_FEATURE(dc, FLOAT128);
3776                     gen_ne_fop_QF(dc, rd, rs2, gen_helper_fitoq);
3777                     break;
3778                 case 0xcd: /* fstoq */
3779                     CHECK_FPU_FEATURE(dc, FLOAT128);
3780                     gen_ne_fop_QF(dc, rd, rs2, gen_helper_fstoq);
3781                     break;
3782                 case 0xce: /* fdtoq */
3783                     CHECK_FPU_FEATURE(dc, FLOAT128);
3784                     gen_ne_fop_QD(dc, rd, rs2, gen_helper_fdtoq);
3785                     break;
3786                 case 0xd1: /* fstoi */
3787                     gen_fop_FF(dc, rd, rs2, gen_helper_fstoi);
3788                     break;
3789                 case 0xd2: /* fdtoi */
3790                     gen_fop_FD(dc, rd, rs2, gen_helper_fdtoi);
3791                     break;
3792                 case 0xd3: /* fqtoi */
3793                     CHECK_FPU_FEATURE(dc, FLOAT128);
3794                     gen_fop_FQ(dc, rd, rs2, gen_helper_fqtoi);
3795                     break;
3796 #ifdef TARGET_SPARC64
3797                 case 0x2: /* V9 fmovd */
3798                     cpu_src1_64 = gen_load_fpr_D(dc, rs2);
3799                     gen_store_fpr_D(dc, rd, cpu_src1_64);
3800                     break;
3801                 case 0x3: /* V9 fmovq */
3802                     CHECK_FPU_FEATURE(dc, FLOAT128);
3803                     gen_move_Q(dc, rd, rs2);
3804                     break;
3805                 case 0x6: /* V9 fnegd */
3806                     gen_ne_fop_DD(dc, rd, rs2, gen_helper_fnegd);
3807                     break;
3808                 case 0x7: /* V9 fnegq */
3809                     CHECK_FPU_FEATURE(dc, FLOAT128);
3810                     gen_ne_fop_QQ(dc, rd, rs2, gen_helper_fnegq);
3811                     break;
3812                 case 0xa: /* V9 fabsd */
3813                     gen_ne_fop_DD(dc, rd, rs2, gen_helper_fabsd);
3814                     break;
3815                 case 0xb: /* V9 fabsq */
3816                     CHECK_FPU_FEATURE(dc, FLOAT128);
3817                     gen_ne_fop_QQ(dc, rd, rs2, gen_helper_fabsq);
3818                     break;
3819                 case 0x81: /* V9 fstox */
3820                     gen_fop_DF(dc, rd, rs2, gen_helper_fstox);
3821                     break;
3822                 case 0x82: /* V9 fdtox */
3823                     gen_fop_DD(dc, rd, rs2, gen_helper_fdtox);
3824                     break;
3825                 case 0x83: /* V9 fqtox */
3826                     CHECK_FPU_FEATURE(dc, FLOAT128);
3827                     gen_fop_DQ(dc, rd, rs2, gen_helper_fqtox);
3828                     break;
3829                 case 0x84: /* V9 fxtos */
3830                     gen_fop_FD(dc, rd, rs2, gen_helper_fxtos);
3831                     break;
3832                 case 0x88: /* V9 fxtod */
3833                     gen_fop_DD(dc, rd, rs2, gen_helper_fxtod);
3834                     break;
3835                 case 0x8c: /* V9 fxtoq */
3836                     CHECK_FPU_FEATURE(dc, FLOAT128);
3837                     gen_ne_fop_QD(dc, rd, rs2, gen_helper_fxtoq);
3838                     break;
3839 #endif
3840                 default:
3841                     goto illegal_insn;
3842                 }
3843             } else if (xop == 0x35) {   /* FPU Operations */
3844 #ifdef TARGET_SPARC64
3845                 int cond;
3846 #endif
3847                 if (gen_trap_ifnofpu(dc)) {
3848                     goto jmp_insn;
3849                 }
3850                 gen_op_clear_ieee_excp_and_FTT();
3851                 rs1 = GET_FIELD(insn, 13, 17);
3852                 rs2 = GET_FIELD(insn, 27, 31);
3853                 xop = GET_FIELD(insn, 18, 26);
3854 
3855 #ifdef TARGET_SPARC64
3856 #define FMOVR(sz)                                                  \
3857                 do {                                               \
3858                     DisasCompare cmp;                              \
3859                     cond = GET_FIELD_SP(insn, 10, 12);             \
3860                     cpu_src1 = get_src1(dc, insn);                 \
3861                     gen_compare_reg(&cmp, cond, cpu_src1);         \
3862                     gen_fmov##sz(dc, &cmp, rd, rs2);               \
3863                     free_compare(&cmp);                            \
3864                 } while (0)
3865 
3866                 if ((xop & 0x11f) == 0x005) { /* V9 fmovsr */
3867                     FMOVR(s);
3868                     break;
3869                 } else if ((xop & 0x11f) == 0x006) { // V9 fmovdr
3870                     FMOVR(d);
3871                     break;
3872                 } else if ((xop & 0x11f) == 0x007) { // V9 fmovqr
3873                     CHECK_FPU_FEATURE(dc, FLOAT128);
3874                     FMOVR(q);
3875                     break;
3876                 }
3877 #undef FMOVR
3878 #endif
3879                 switch (xop) {
3880 #ifdef TARGET_SPARC64
3881 #define FMOVCC(fcc, sz)                                                 \
3882                     do {                                                \
3883                         DisasCompare cmp;                               \
3884                         cond = GET_FIELD_SP(insn, 14, 17);              \
3885                         gen_fcompare(&cmp, fcc, cond);                  \
3886                         gen_fmov##sz(dc, &cmp, rd, rs2);                \
3887                         free_compare(&cmp);                             \
3888                     } while (0)
3889 
3890                     case 0x001: /* V9 fmovscc %fcc0 */
3891                         FMOVCC(0, s);
3892                         break;
3893                     case 0x002: /* V9 fmovdcc %fcc0 */
3894                         FMOVCC(0, d);
3895                         break;
3896                     case 0x003: /* V9 fmovqcc %fcc0 */
3897                         CHECK_FPU_FEATURE(dc, FLOAT128);
3898                         FMOVCC(0, q);
3899                         break;
3900                     case 0x041: /* V9 fmovscc %fcc1 */
3901                         FMOVCC(1, s);
3902                         break;
3903                     case 0x042: /* V9 fmovdcc %fcc1 */
3904                         FMOVCC(1, d);
3905                         break;
3906                     case 0x043: /* V9 fmovqcc %fcc1 */
3907                         CHECK_FPU_FEATURE(dc, FLOAT128);
3908                         FMOVCC(1, q);
3909                         break;
3910                     case 0x081: /* V9 fmovscc %fcc2 */
3911                         FMOVCC(2, s);
3912                         break;
3913                     case 0x082: /* V9 fmovdcc %fcc2 */
3914                         FMOVCC(2, d);
3915                         break;
3916                     case 0x083: /* V9 fmovqcc %fcc2 */
3917                         CHECK_FPU_FEATURE(dc, FLOAT128);
3918                         FMOVCC(2, q);
3919                         break;
3920                     case 0x0c1: /* V9 fmovscc %fcc3 */
3921                         FMOVCC(3, s);
3922                         break;
3923                     case 0x0c2: /* V9 fmovdcc %fcc3 */
3924                         FMOVCC(3, d);
3925                         break;
3926                     case 0x0c3: /* V9 fmovqcc %fcc3 */
3927                         CHECK_FPU_FEATURE(dc, FLOAT128);
3928                         FMOVCC(3, q);
3929                         break;
3930 #undef FMOVCC
3931 #define FMOVCC(xcc, sz)                                                 \
3932                     do {                                                \
3933                         DisasCompare cmp;                               \
3934                         cond = GET_FIELD_SP(insn, 14, 17);              \
3935                         gen_compare(&cmp, xcc, cond, dc);               \
3936                         gen_fmov##sz(dc, &cmp, rd, rs2);                \
3937                         free_compare(&cmp);                             \
3938                     } while (0)
3939 
3940                     case 0x101: /* V9 fmovscc %icc */
3941                         FMOVCC(0, s);
3942                         break;
3943                     case 0x102: /* V9 fmovdcc %icc */
3944                         FMOVCC(0, d);
3945                         break;
3946                     case 0x103: /* V9 fmovqcc %icc */
3947                         CHECK_FPU_FEATURE(dc, FLOAT128);
3948                         FMOVCC(0, q);
3949                         break;
3950                     case 0x181: /* V9 fmovscc %xcc */
3951                         FMOVCC(1, s);
3952                         break;
3953                     case 0x182: /* V9 fmovdcc %xcc */
3954                         FMOVCC(1, d);
3955                         break;
3956                     case 0x183: /* V9 fmovqcc %xcc */
3957                         CHECK_FPU_FEATURE(dc, FLOAT128);
3958                         FMOVCC(1, q);
3959                         break;
3960 #undef FMOVCC
3961 #endif
3962                     case 0x51: /* fcmps, V9 %fcc */
3963                         cpu_src1_32 = gen_load_fpr_F(dc, rs1);
3964                         cpu_src2_32 = gen_load_fpr_F(dc, rs2);
3965                         gen_op_fcmps(rd & 3, cpu_src1_32, cpu_src2_32);
3966                         break;
3967                     case 0x52: /* fcmpd, V9 %fcc */
3968                         cpu_src1_64 = gen_load_fpr_D(dc, rs1);
3969                         cpu_src2_64 = gen_load_fpr_D(dc, rs2);
3970                         gen_op_fcmpd(rd & 3, cpu_src1_64, cpu_src2_64);
3971                         break;
3972                     case 0x53: /* fcmpq, V9 %fcc */
3973                         CHECK_FPU_FEATURE(dc, FLOAT128);
3974                         gen_op_load_fpr_QT0(QFPREG(rs1));
3975                         gen_op_load_fpr_QT1(QFPREG(rs2));
3976                         gen_op_fcmpq(rd & 3);
3977                         break;
3978                     case 0x55: /* fcmpes, V9 %fcc */
3979                         cpu_src1_32 = gen_load_fpr_F(dc, rs1);
3980                         cpu_src2_32 = gen_load_fpr_F(dc, rs2);
3981                         gen_op_fcmpes(rd & 3, cpu_src1_32, cpu_src2_32);
3982                         break;
3983                     case 0x56: /* fcmped, V9 %fcc */
3984                         cpu_src1_64 = gen_load_fpr_D(dc, rs1);
3985                         cpu_src2_64 = gen_load_fpr_D(dc, rs2);
3986                         gen_op_fcmped(rd & 3, cpu_src1_64, cpu_src2_64);
3987                         break;
3988                     case 0x57: /* fcmpeq, V9 %fcc */
3989                         CHECK_FPU_FEATURE(dc, FLOAT128);
3990                         gen_op_load_fpr_QT0(QFPREG(rs1));
3991                         gen_op_load_fpr_QT1(QFPREG(rs2));
3992                         gen_op_fcmpeq(rd & 3);
3993                         break;
3994                     default:
3995                         goto illegal_insn;
3996                 }
3997             } else if (xop == 0x2) {
3998                 TCGv dst = gen_dest_gpr(dc, rd);
3999                 rs1 = GET_FIELD(insn, 13, 17);
4000                 if (rs1 == 0) {
4001                     /* clr/mov shortcut : or %g0, x, y -> mov x, y */
4002                     if (IS_IMM) {       /* immediate */
4003                         simm = GET_FIELDs(insn, 19, 31);
4004                         tcg_gen_movi_tl(dst, simm);
4005                         gen_store_gpr(dc, rd, dst);
4006                     } else {            /* register */
4007                         rs2 = GET_FIELD(insn, 27, 31);
4008                         if (rs2 == 0) {
4009                             tcg_gen_movi_tl(dst, 0);
4010                             gen_store_gpr(dc, rd, dst);
4011                         } else {
4012                             cpu_src2 = gen_load_gpr(dc, rs2);
4013                             gen_store_gpr(dc, rd, cpu_src2);
4014                         }
4015                     }
4016                 } else {
4017                     cpu_src1 = get_src1(dc, insn);
4018                     if (IS_IMM) {       /* immediate */
4019                         simm = GET_FIELDs(insn, 19, 31);
4020                         tcg_gen_ori_tl(dst, cpu_src1, simm);
4021                         gen_store_gpr(dc, rd, dst);
4022                     } else {            /* register */
4023                         rs2 = GET_FIELD(insn, 27, 31);
4024                         if (rs2 == 0) {
4025                             /* mov shortcut:  or x, %g0, y -> mov x, y */
4026                             gen_store_gpr(dc, rd, cpu_src1);
4027                         } else {
4028                             cpu_src2 = gen_load_gpr(dc, rs2);
4029                             tcg_gen_or_tl(dst, cpu_src1, cpu_src2);
4030                             gen_store_gpr(dc, rd, dst);
4031                         }
4032                     }
4033                 }
4034 #ifdef TARGET_SPARC64
4035             } else if (xop == 0x25) { /* sll, V9 sllx */
4036                 cpu_src1 = get_src1(dc, insn);
4037                 if (IS_IMM) {   /* immediate */
4038                     simm = GET_FIELDs(insn, 20, 31);
4039                     if (insn & (1 << 12)) {
4040                         tcg_gen_shli_i64(cpu_dst, cpu_src1, simm & 0x3f);
4041                     } else {
4042                         tcg_gen_shli_i64(cpu_dst, cpu_src1, simm & 0x1f);
4043                     }
4044                 } else {                /* register */
4045                     rs2 = GET_FIELD(insn, 27, 31);
4046                     cpu_src2 = gen_load_gpr(dc, rs2);
4047                     cpu_tmp0 = get_temp_tl(dc);
4048                     if (insn & (1 << 12)) {
4049                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
4050                     } else {
4051                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
4052                     }
4053                     tcg_gen_shl_i64(cpu_dst, cpu_src1, cpu_tmp0);
4054                 }
4055                 gen_store_gpr(dc, rd, cpu_dst);
4056             } else if (xop == 0x26) { /* srl, V9 srlx */
4057                 cpu_src1 = get_src1(dc, insn);
4058                 if (IS_IMM) {   /* immediate */
4059                     simm = GET_FIELDs(insn, 20, 31);
4060                     if (insn & (1 << 12)) {
4061                         tcg_gen_shri_i64(cpu_dst, cpu_src1, simm & 0x3f);
4062                     } else {
4063                         tcg_gen_andi_i64(cpu_dst, cpu_src1, 0xffffffffULL);
4064                         tcg_gen_shri_i64(cpu_dst, cpu_dst, simm & 0x1f);
4065                     }
4066                 } else {                /* register */
4067                     rs2 = GET_FIELD(insn, 27, 31);
4068                     cpu_src2 = gen_load_gpr(dc, rs2);
4069                     cpu_tmp0 = get_temp_tl(dc);
4070                     if (insn & (1 << 12)) {
4071                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
4072                         tcg_gen_shr_i64(cpu_dst, cpu_src1, cpu_tmp0);
4073                     } else {
4074                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
4075                         tcg_gen_andi_i64(cpu_dst, cpu_src1, 0xffffffffULL);
4076                         tcg_gen_shr_i64(cpu_dst, cpu_dst, cpu_tmp0);
4077                     }
4078                 }
4079                 gen_store_gpr(dc, rd, cpu_dst);
4080             } else if (xop == 0x27) { /* sra, V9 srax */
4081                 cpu_src1 = get_src1(dc, insn);
4082                 if (IS_IMM) {   /* immediate */
4083                     simm = GET_FIELDs(insn, 20, 31);
4084                     if (insn & (1 << 12)) {
4085                         tcg_gen_sari_i64(cpu_dst, cpu_src1, simm & 0x3f);
4086                     } else {
4087                         tcg_gen_ext32s_i64(cpu_dst, cpu_src1);
4088                         tcg_gen_sari_i64(cpu_dst, cpu_dst, simm & 0x1f);
4089                     }
4090                 } else {                /* register */
4091                     rs2 = GET_FIELD(insn, 27, 31);
4092                     cpu_src2 = gen_load_gpr(dc, rs2);
4093                     cpu_tmp0 = get_temp_tl(dc);
4094                     if (insn & (1 << 12)) {
4095                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
4096                         tcg_gen_sar_i64(cpu_dst, cpu_src1, cpu_tmp0);
4097                     } else {
4098                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
4099                         tcg_gen_ext32s_i64(cpu_dst, cpu_src1);
4100                         tcg_gen_sar_i64(cpu_dst, cpu_dst, cpu_tmp0);
4101                     }
4102                 }
4103                 gen_store_gpr(dc, rd, cpu_dst);
4104 #endif
4105             } else if (xop < 0x36) {
4106                 if (xop < 0x20) {
4107                     cpu_src1 = get_src1(dc, insn);
4108                     cpu_src2 = get_src2(dc, insn);
4109                     switch (xop & ~0x10) {
4110                     case 0x0: /* add */
4111                         if (xop & 0x10) {
4112                             gen_op_add_cc(cpu_dst, cpu_src1, cpu_src2);
4113                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADD);
4114                             dc->cc_op = CC_OP_ADD;
4115                         } else {
4116                             tcg_gen_add_tl(cpu_dst, cpu_src1, cpu_src2);
4117                         }
4118                         break;
4119                     case 0x1: /* and */
4120                         tcg_gen_and_tl(cpu_dst, cpu_src1, cpu_src2);
4121                         if (xop & 0x10) {
4122                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4123                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4124                             dc->cc_op = CC_OP_LOGIC;
4125                         }
4126                         break;
4127                     case 0x2: /* or */
4128                         tcg_gen_or_tl(cpu_dst, cpu_src1, cpu_src2);
4129                         if (xop & 0x10) {
4130                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4131                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4132                             dc->cc_op = CC_OP_LOGIC;
4133                         }
4134                         break;
4135                     case 0x3: /* xor */
4136                         tcg_gen_xor_tl(cpu_dst, cpu_src1, cpu_src2);
4137                         if (xop & 0x10) {
4138                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4139                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4140                             dc->cc_op = CC_OP_LOGIC;
4141                         }
4142                         break;
4143                     case 0x4: /* sub */
4144                         if (xop & 0x10) {
4145                             gen_op_sub_cc(cpu_dst, cpu_src1, cpu_src2);
4146                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
4147                             dc->cc_op = CC_OP_SUB;
4148                         } else {
4149                             tcg_gen_sub_tl(cpu_dst, cpu_src1, cpu_src2);
4150                         }
4151                         break;
4152                     case 0x5: /* andn */
4153                         tcg_gen_andc_tl(cpu_dst, cpu_src1, cpu_src2);
4154                         if (xop & 0x10) {
4155                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4156                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4157                             dc->cc_op = CC_OP_LOGIC;
4158                         }
4159                         break;
4160                     case 0x6: /* orn */
4161                         tcg_gen_orc_tl(cpu_dst, cpu_src1, cpu_src2);
4162                         if (xop & 0x10) {
4163                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4164                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4165                             dc->cc_op = CC_OP_LOGIC;
4166                         }
4167                         break;
4168                     case 0x7: /* xorn */
4169                         tcg_gen_eqv_tl(cpu_dst, cpu_src1, cpu_src2);
4170                         if (xop & 0x10) {
4171                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4172                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4173                             dc->cc_op = CC_OP_LOGIC;
4174                         }
4175                         break;
4176                     case 0x8: /* addx, V9 addc */
4177                         gen_op_addx_int(dc, cpu_dst, cpu_src1, cpu_src2,
4178                                         (xop & 0x10));
4179                         break;
4180 #ifdef TARGET_SPARC64
4181                     case 0x9: /* V9 mulx */
4182                         tcg_gen_mul_i64(cpu_dst, cpu_src1, cpu_src2);
4183                         break;
4184 #endif
4185                     case 0xa: /* umul */
4186                         CHECK_IU_FEATURE(dc, MUL);
4187                         gen_op_umul(cpu_dst, cpu_src1, cpu_src2);
4188                         if (xop & 0x10) {
4189                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4190                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4191                             dc->cc_op = CC_OP_LOGIC;
4192                         }
4193                         break;
4194                     case 0xb: /* smul */
4195                         CHECK_IU_FEATURE(dc, MUL);
4196                         gen_op_smul(cpu_dst, cpu_src1, cpu_src2);
4197                         if (xop & 0x10) {
4198                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4199                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4200                             dc->cc_op = CC_OP_LOGIC;
4201                         }
4202                         break;
4203                     case 0xc: /* subx, V9 subc */
4204                         gen_op_subx_int(dc, cpu_dst, cpu_src1, cpu_src2,
4205                                         (xop & 0x10));
4206                         break;
4207 #ifdef TARGET_SPARC64
4208                     case 0xd: /* V9 udivx */
4209                         gen_helper_udivx(cpu_dst, cpu_env, cpu_src1, cpu_src2);
4210                         break;
4211 #endif
4212                     case 0xe: /* udiv */
4213                         CHECK_IU_FEATURE(dc, DIV);
4214                         if (xop & 0x10) {
4215                             gen_helper_udiv_cc(cpu_dst, cpu_env, cpu_src1,
4216                                                cpu_src2);
4217                             dc->cc_op = CC_OP_DIV;
4218                         } else {
4219                             gen_helper_udiv(cpu_dst, cpu_env, cpu_src1,
4220                                             cpu_src2);
4221                         }
4222                         break;
4223                     case 0xf: /* sdiv */
4224                         CHECK_IU_FEATURE(dc, DIV);
4225                         if (xop & 0x10) {
4226                             gen_helper_sdiv_cc(cpu_dst, cpu_env, cpu_src1,
4227                                                cpu_src2);
4228                             dc->cc_op = CC_OP_DIV;
4229                         } else {
4230                             gen_helper_sdiv(cpu_dst, cpu_env, cpu_src1,
4231                                             cpu_src2);
4232                         }
4233                         break;
4234                     default:
4235                         goto illegal_insn;
4236                     }
4237                     gen_store_gpr(dc, rd, cpu_dst);
4238                 } else {
4239                     cpu_src1 = get_src1(dc, insn);
4240                     cpu_src2 = get_src2(dc, insn);
4241                     switch (xop) {
4242                     case 0x20: /* taddcc */
4243                         gen_op_add_cc(cpu_dst, cpu_src1, cpu_src2);
4244                         gen_store_gpr(dc, rd, cpu_dst);
4245                         tcg_gen_movi_i32(cpu_cc_op, CC_OP_TADD);
4246                         dc->cc_op = CC_OP_TADD;
4247                         break;
4248                     case 0x21: /* tsubcc */
4249                         gen_op_sub_cc(cpu_dst, cpu_src1, cpu_src2);
4250                         gen_store_gpr(dc, rd, cpu_dst);
4251                         tcg_gen_movi_i32(cpu_cc_op, CC_OP_TSUB);
4252                         dc->cc_op = CC_OP_TSUB;
4253                         break;
4254                     case 0x22: /* taddcctv */
4255                         gen_helper_taddcctv(cpu_dst, cpu_env,
4256                                             cpu_src1, cpu_src2);
4257                         gen_store_gpr(dc, rd, cpu_dst);
4258                         dc->cc_op = CC_OP_TADDTV;
4259                         break;
4260                     case 0x23: /* tsubcctv */
4261                         gen_helper_tsubcctv(cpu_dst, cpu_env,
4262                                             cpu_src1, cpu_src2);
4263                         gen_store_gpr(dc, rd, cpu_dst);
4264                         dc->cc_op = CC_OP_TSUBTV;
4265                         break;
4266                     case 0x24: /* mulscc */
4267                         update_psr(dc);
4268                         gen_op_mulscc(cpu_dst, cpu_src1, cpu_src2);
4269                         gen_store_gpr(dc, rd, cpu_dst);
4270                         tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADD);
4271                         dc->cc_op = CC_OP_ADD;
4272                         break;
4273 #ifndef TARGET_SPARC64
4274                     case 0x25:  /* sll */
4275                         if (IS_IMM) { /* immediate */
4276                             simm = GET_FIELDs(insn, 20, 31);
4277                             tcg_gen_shli_tl(cpu_dst, cpu_src1, simm & 0x1f);
4278                         } else { /* register */
4279                             cpu_tmp0 = get_temp_tl(dc);
4280                             tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
4281                             tcg_gen_shl_tl(cpu_dst, cpu_src1, cpu_tmp0);
4282                         }
4283                         gen_store_gpr(dc, rd, cpu_dst);
4284                         break;
4285                     case 0x26:  /* srl */
4286                         if (IS_IMM) { /* immediate */
4287                             simm = GET_FIELDs(insn, 20, 31);
4288                             tcg_gen_shri_tl(cpu_dst, cpu_src1, simm & 0x1f);
4289                         } else { /* register */
4290                             cpu_tmp0 = get_temp_tl(dc);
4291                             tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
4292                             tcg_gen_shr_tl(cpu_dst, cpu_src1, cpu_tmp0);
4293                         }
4294                         gen_store_gpr(dc, rd, cpu_dst);
4295                         break;
4296                     case 0x27:  /* sra */
4297                         if (IS_IMM) { /* immediate */
4298                             simm = GET_FIELDs(insn, 20, 31);
4299                             tcg_gen_sari_tl(cpu_dst, cpu_src1, simm & 0x1f);
4300                         } else { /* register */
4301                             cpu_tmp0 = get_temp_tl(dc);
4302                             tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
4303                             tcg_gen_sar_tl(cpu_dst, cpu_src1, cpu_tmp0);
4304                         }
4305                         gen_store_gpr(dc, rd, cpu_dst);
4306                         break;
4307 #endif
4308                     case 0x30:
4309                         {
4310                             cpu_tmp0 = get_temp_tl(dc);
4311                             switch(rd) {
4312                             case 0: /* wry */
4313                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4314                                 tcg_gen_andi_tl(cpu_y, cpu_tmp0, 0xffffffff);
4315                                 break;
4316 #ifndef TARGET_SPARC64
4317                             case 0x01 ... 0x0f: /* undefined in the
4318                                                    SPARCv8 manual, nop
4319                                                    on the microSPARC
4320                                                    II */
4321                             case 0x10 ... 0x1f: /* implementation-dependent
4322                                                    in the SPARCv8
4323                                                    manual, nop on the
4324                                                    microSPARC II */
4325                                 if ((rd == 0x13) && (dc->def->features &
4326                                                      CPU_FEATURE_POWERDOWN)) {
4327                                     /* LEON3 power-down */
4328                                     save_state(dc);
4329                                     gen_helper_power_down(cpu_env);
4330                                 }
4331                                 break;
4332 #else
4333                             case 0x2: /* V9 wrccr */
4334                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4335                                 gen_helper_wrccr(cpu_env, cpu_tmp0);
4336                                 tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
4337                                 dc->cc_op = CC_OP_FLAGS;
4338                                 break;
4339                             case 0x3: /* V9 wrasi */
4340                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4341                                 tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xff);
4342                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4343                                                 offsetof(CPUSPARCState, asi));
4344                                 /* End TB to notice changed ASI.  */
4345                                 save_state(dc);
4346                                 gen_op_next_insn();
4347                                 tcg_gen_exit_tb(NULL, 0);
4348                                 dc->base.is_jmp = DISAS_NORETURN;
4349                                 break;
4350                             case 0x6: /* V9 wrfprs */
4351                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4352                                 tcg_gen_trunc_tl_i32(cpu_fprs, cpu_tmp0);
4353                                 dc->fprs_dirty = 0;
4354                                 save_state(dc);
4355                                 gen_op_next_insn();
4356                                 tcg_gen_exit_tb(NULL, 0);
4357                                 dc->base.is_jmp = DISAS_NORETURN;
4358                                 break;
4359                             case 0xf: /* V9 sir, nop if user */
4360 #if !defined(CONFIG_USER_ONLY)
4361                                 if (supervisor(dc)) {
4362                                     ; // XXX
4363                                 }
4364 #endif
4365                                 break;
4366                             case 0x13: /* Graphics Status */
4367                                 if (gen_trap_ifnofpu(dc)) {
4368                                     goto jmp_insn;
4369                                 }
4370                                 tcg_gen_xor_tl(cpu_gsr, cpu_src1, cpu_src2);
4371                                 break;
4372                             case 0x14: /* Softint set */
4373                                 if (!supervisor(dc))
4374                                     goto illegal_insn;
4375                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4376                                 gen_helper_set_softint(cpu_env, cpu_tmp0);
4377                                 break;
4378                             case 0x15: /* Softint clear */
4379                                 if (!supervisor(dc))
4380                                     goto illegal_insn;
4381                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4382                                 gen_helper_clear_softint(cpu_env, cpu_tmp0);
4383                                 break;
4384                             case 0x16: /* Softint write */
4385                                 if (!supervisor(dc))
4386                                     goto illegal_insn;
4387                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4388                                 gen_helper_write_softint(cpu_env, cpu_tmp0);
4389                                 break;
4390                             case 0x17: /* Tick compare */
4391 #if !defined(CONFIG_USER_ONLY)
4392                                 if (!supervisor(dc))
4393                                     goto illegal_insn;
4394 #endif
4395                                 {
4396                                     TCGv_ptr r_tickptr;
4397 
4398                                     tcg_gen_xor_tl(cpu_tick_cmpr, cpu_src1,
4399                                                    cpu_src2);
4400                                     r_tickptr = tcg_temp_new_ptr();
4401                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4402                                                    offsetof(CPUSPARCState, tick));
4403                                     if (tb_cflags(dc->base.tb) &
4404                                            CF_USE_ICOUNT) {
4405                                         gen_io_start();
4406                                     }
4407                                     gen_helper_tick_set_limit(r_tickptr,
4408                                                               cpu_tick_cmpr);
4409                                     tcg_temp_free_ptr(r_tickptr);
4410                                     /* End TB to handle timer interrupt */
4411                                     dc->base.is_jmp = DISAS_EXIT;
4412                                 }
4413                                 break;
4414                             case 0x18: /* System tick */
4415 #if !defined(CONFIG_USER_ONLY)
4416                                 if (!supervisor(dc))
4417                                     goto illegal_insn;
4418 #endif
4419                                 {
4420                                     TCGv_ptr r_tickptr;
4421 
4422                                     tcg_gen_xor_tl(cpu_tmp0, cpu_src1,
4423                                                    cpu_src2);
4424                                     r_tickptr = tcg_temp_new_ptr();
4425                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4426                                                    offsetof(CPUSPARCState, stick));
4427                                     if (tb_cflags(dc->base.tb) &
4428                                            CF_USE_ICOUNT) {
4429                                         gen_io_start();
4430                                     }
4431                                     gen_helper_tick_set_count(r_tickptr,
4432                                                               cpu_tmp0);
4433                                     tcg_temp_free_ptr(r_tickptr);
4434                                     /* End TB to handle timer interrupt */
4435                                     dc->base.is_jmp = DISAS_EXIT;
4436                                 }
4437                                 break;
4438                             case 0x19: /* System tick compare */
4439 #if !defined(CONFIG_USER_ONLY)
4440                                 if (!supervisor(dc))
4441                                     goto illegal_insn;
4442 #endif
4443                                 {
4444                                     TCGv_ptr r_tickptr;
4445 
4446                                     tcg_gen_xor_tl(cpu_stick_cmpr, cpu_src1,
4447                                                    cpu_src2);
4448                                     r_tickptr = tcg_temp_new_ptr();
4449                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4450                                                    offsetof(CPUSPARCState, stick));
4451                                     if (tb_cflags(dc->base.tb) &
4452                                            CF_USE_ICOUNT) {
4453                                         gen_io_start();
4454                                     }
4455                                     gen_helper_tick_set_limit(r_tickptr,
4456                                                               cpu_stick_cmpr);
4457                                     tcg_temp_free_ptr(r_tickptr);
4458                                     /* End TB to handle timer interrupt */
4459                                     dc->base.is_jmp = DISAS_EXIT;
4460                                 }
4461                                 break;
4462 
4463                             case 0x10: /* Performance Control */
4464                             case 0x11: /* Performance Instrumentation
4465                                           Counter */
4466                             case 0x12: /* Dispatch Control */
4467 #endif
4468                             default:
4469                                 goto illegal_insn;
4470                             }
4471                         }
4472                         break;
4473 #if !defined(CONFIG_USER_ONLY)
4474                     case 0x31: /* wrpsr, V9 saved, restored */
4475                         {
4476                             if (!supervisor(dc))
4477                                 goto priv_insn;
4478 #ifdef TARGET_SPARC64
4479                             switch (rd) {
4480                             case 0:
4481                                 gen_helper_saved(cpu_env);
4482                                 break;
4483                             case 1:
4484                                 gen_helper_restored(cpu_env);
4485                                 break;
4486                             case 2: /* UA2005 allclean */
4487                             case 3: /* UA2005 otherw */
4488                             case 4: /* UA2005 normalw */
4489                             case 5: /* UA2005 invalw */
4490                                 // XXX
4491                             default:
4492                                 goto illegal_insn;
4493                             }
4494 #else
4495                             cpu_tmp0 = get_temp_tl(dc);
4496                             tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4497                             gen_helper_wrpsr(cpu_env, cpu_tmp0);
4498                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
4499                             dc->cc_op = CC_OP_FLAGS;
4500                             save_state(dc);
4501                             gen_op_next_insn();
4502                             tcg_gen_exit_tb(NULL, 0);
4503                             dc->base.is_jmp = DISAS_NORETURN;
4504 #endif
4505                         }
4506                         break;
4507                     case 0x32: /* wrwim, V9 wrpr */
4508                         {
4509                             if (!supervisor(dc))
4510                                 goto priv_insn;
4511                             cpu_tmp0 = get_temp_tl(dc);
4512                             tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4513 #ifdef TARGET_SPARC64
4514                             switch (rd) {
4515                             case 0: // tpc
4516                                 {
4517                                     TCGv_ptr r_tsptr;
4518 
4519                                     r_tsptr = tcg_temp_new_ptr();
4520                                     gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4521                                     tcg_gen_st_tl(cpu_tmp0, r_tsptr,
4522                                                   offsetof(trap_state, tpc));
4523                                     tcg_temp_free_ptr(r_tsptr);
4524                                 }
4525                                 break;
4526                             case 1: // tnpc
4527                                 {
4528                                     TCGv_ptr r_tsptr;
4529 
4530                                     r_tsptr = tcg_temp_new_ptr();
4531                                     gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4532                                     tcg_gen_st_tl(cpu_tmp0, r_tsptr,
4533                                                   offsetof(trap_state, tnpc));
4534                                     tcg_temp_free_ptr(r_tsptr);
4535                                 }
4536                                 break;
4537                             case 2: // tstate
4538                                 {
4539                                     TCGv_ptr r_tsptr;
4540 
4541                                     r_tsptr = tcg_temp_new_ptr();
4542                                     gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4543                                     tcg_gen_st_tl(cpu_tmp0, r_tsptr,
4544                                                   offsetof(trap_state,
4545                                                            tstate));
4546                                     tcg_temp_free_ptr(r_tsptr);
4547                                 }
4548                                 break;
4549                             case 3: // tt
4550                                 {
4551                                     TCGv_ptr r_tsptr;
4552 
4553                                     r_tsptr = tcg_temp_new_ptr();
4554                                     gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4555                                     tcg_gen_st32_tl(cpu_tmp0, r_tsptr,
4556                                                     offsetof(trap_state, tt));
4557                                     tcg_temp_free_ptr(r_tsptr);
4558                                 }
4559                                 break;
4560                             case 4: // tick
4561                                 {
4562                                     TCGv_ptr r_tickptr;
4563 
4564                                     r_tickptr = tcg_temp_new_ptr();
4565                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4566                                                    offsetof(CPUSPARCState, tick));
4567                                     if (tb_cflags(dc->base.tb) &
4568                                            CF_USE_ICOUNT) {
4569                                         gen_io_start();
4570                                     }
4571                                     gen_helper_tick_set_count(r_tickptr,
4572                                                               cpu_tmp0);
4573                                     tcg_temp_free_ptr(r_tickptr);
4574                                     /* End TB to handle timer interrupt */
4575                                     dc->base.is_jmp = DISAS_EXIT;
4576                                 }
4577                                 break;
4578                             case 5: // tba
4579                                 tcg_gen_mov_tl(cpu_tbr, cpu_tmp0);
4580                                 break;
4581                             case 6: // pstate
4582                                 save_state(dc);
4583                                 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
4584                                     gen_io_start();
4585                                 }
4586                                 gen_helper_wrpstate(cpu_env, cpu_tmp0);
4587                                 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
4588                                     /* I/O ops in icount mode must end the TB */
4589                                     dc->base.is_jmp = DISAS_EXIT;
4590                                 }
4591                                 dc->npc = DYNAMIC_PC;
4592                                 break;
4593                             case 7: // tl
4594                                 save_state(dc);
4595                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4596                                                offsetof(CPUSPARCState, tl));
4597                                 dc->npc = DYNAMIC_PC;
4598                                 break;
4599                             case 8: // pil
4600                                 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
4601                                     gen_io_start();
4602                                 }
4603                                 gen_helper_wrpil(cpu_env, cpu_tmp0);
4604                                 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
4605                                     /* I/O ops in icount mode must end the TB */
4606                                     dc->base.is_jmp = DISAS_EXIT;
4607                                 }
4608                                 break;
4609                             case 9: // cwp
4610                                 gen_helper_wrcwp(cpu_env, cpu_tmp0);
4611                                 break;
4612                             case 10: // cansave
4613                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4614                                                 offsetof(CPUSPARCState,
4615                                                          cansave));
4616                                 break;
4617                             case 11: // canrestore
4618                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4619                                                 offsetof(CPUSPARCState,
4620                                                          canrestore));
4621                                 break;
4622                             case 12: // cleanwin
4623                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4624                                                 offsetof(CPUSPARCState,
4625                                                          cleanwin));
4626                                 break;
4627                             case 13: // otherwin
4628                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4629                                                 offsetof(CPUSPARCState,
4630                                                          otherwin));
4631                                 break;
4632                             case 14: // wstate
4633                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4634                                                 offsetof(CPUSPARCState,
4635                                                          wstate));
4636                                 break;
4637                             case 16: // UA2005 gl
4638                                 CHECK_IU_FEATURE(dc, GL);
4639                                 gen_helper_wrgl(cpu_env, cpu_tmp0);
4640                                 break;
4641                             case 26: // UA2005 strand status
4642                                 CHECK_IU_FEATURE(dc, HYPV);
4643                                 if (!hypervisor(dc))
4644                                     goto priv_insn;
4645                                 tcg_gen_mov_tl(cpu_ssr, cpu_tmp0);
4646                                 break;
4647                             default:
4648                                 goto illegal_insn;
4649                             }
4650 #else
4651                             tcg_gen_trunc_tl_i32(cpu_wim, cpu_tmp0);
4652                             if (dc->def->nwindows != 32) {
4653                                 tcg_gen_andi_tl(cpu_wim, cpu_wim,
4654                                                 (1 << dc->def->nwindows) - 1);
4655                             }
4656 #endif
4657                         }
4658                         break;
4659                     case 0x33: /* wrtbr, UA2005 wrhpr */
4660                         {
4661 #ifndef TARGET_SPARC64
4662                             if (!supervisor(dc))
4663                                 goto priv_insn;
4664                             tcg_gen_xor_tl(cpu_tbr, cpu_src1, cpu_src2);
4665 #else
4666                             CHECK_IU_FEATURE(dc, HYPV);
4667                             if (!hypervisor(dc))
4668                                 goto priv_insn;
4669                             cpu_tmp0 = get_temp_tl(dc);
4670                             tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4671                             switch (rd) {
4672                             case 0: // hpstate
4673                                 tcg_gen_st_i64(cpu_tmp0, cpu_env,
4674                                                offsetof(CPUSPARCState,
4675                                                         hpstate));
4676                                 save_state(dc);
4677                                 gen_op_next_insn();
4678                                 tcg_gen_exit_tb(NULL, 0);
4679                                 dc->base.is_jmp = DISAS_NORETURN;
4680                                 break;
4681                             case 1: // htstate
4682                                 // XXX gen_op_wrhtstate();
4683                                 break;
4684                             case 3: // hintp
4685                                 tcg_gen_mov_tl(cpu_hintp, cpu_tmp0);
4686                                 break;
4687                             case 5: // htba
4688                                 tcg_gen_mov_tl(cpu_htba, cpu_tmp0);
4689                                 break;
4690                             case 31: // hstick_cmpr
4691                                 {
4692                                     TCGv_ptr r_tickptr;
4693 
4694                                     tcg_gen_mov_tl(cpu_hstick_cmpr, cpu_tmp0);
4695                                     r_tickptr = tcg_temp_new_ptr();
4696                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4697                                                    offsetof(CPUSPARCState, hstick));
4698                                     if (tb_cflags(dc->base.tb) &
4699                                            CF_USE_ICOUNT) {
4700                                         gen_io_start();
4701                                     }
4702                                     gen_helper_tick_set_limit(r_tickptr,
4703                                                               cpu_hstick_cmpr);
4704                                     tcg_temp_free_ptr(r_tickptr);
4705                                     /* End TB to handle timer interrupt */
4706                                     dc->base.is_jmp = DISAS_EXIT;
4707                                 }
4708                                 break;
4709                             case 6: // hver readonly
4710                             default:
4711                                 goto illegal_insn;
4712                             }
4713 #endif
4714                         }
4715                         break;
4716 #endif
4717 #ifdef TARGET_SPARC64
4718                     case 0x2c: /* V9 movcc */
4719                         {
4720                             int cc = GET_FIELD_SP(insn, 11, 12);
4721                             int cond = GET_FIELD_SP(insn, 14, 17);
4722                             DisasCompare cmp;
4723                             TCGv dst;
4724 
4725                             if (insn & (1 << 18)) {
4726                                 if (cc == 0) {
4727                                     gen_compare(&cmp, 0, cond, dc);
4728                                 } else if (cc == 2) {
4729                                     gen_compare(&cmp, 1, cond, dc);
4730                                 } else {
4731                                     goto illegal_insn;
4732                                 }
4733                             } else {
4734                                 gen_fcompare(&cmp, cc, cond);
4735                             }
4736 
4737                             /* The get_src2 above loaded the normal 13-bit
4738                                immediate field, not the 11-bit field we have
4739                                in movcc.  But it did handle the reg case.  */
4740                             if (IS_IMM) {
4741                                 simm = GET_FIELD_SPs(insn, 0, 10);
4742                                 tcg_gen_movi_tl(cpu_src2, simm);
4743                             }
4744 
4745                             dst = gen_load_gpr(dc, rd);
4746                             tcg_gen_movcond_tl(cmp.cond, dst,
4747                                                cmp.c1, cmp.c2,
4748                                                cpu_src2, dst);
4749                             free_compare(&cmp);
4750                             gen_store_gpr(dc, rd, dst);
4751                             break;
4752                         }
4753                     case 0x2d: /* V9 sdivx */
4754                         gen_helper_sdivx(cpu_dst, cpu_env, cpu_src1, cpu_src2);
4755                         gen_store_gpr(dc, rd, cpu_dst);
4756                         break;
4757                     case 0x2e: /* V9 popc */
4758                         tcg_gen_ctpop_tl(cpu_dst, cpu_src2);
4759                         gen_store_gpr(dc, rd, cpu_dst);
4760                         break;
4761                     case 0x2f: /* V9 movr */
4762                         {
4763                             int cond = GET_FIELD_SP(insn, 10, 12);
4764                             DisasCompare cmp;
4765                             TCGv dst;
4766 
4767                             gen_compare_reg(&cmp, cond, cpu_src1);
4768 
4769                             /* The get_src2 above loaded the normal 13-bit
4770                                immediate field, not the 10-bit field we have
4771                                in movr.  But it did handle the reg case.  */
4772                             if (IS_IMM) {
4773                                 simm = GET_FIELD_SPs(insn, 0, 9);
4774                                 tcg_gen_movi_tl(cpu_src2, simm);
4775                             }
4776 
4777                             dst = gen_load_gpr(dc, rd);
4778                             tcg_gen_movcond_tl(cmp.cond, dst,
4779                                                cmp.c1, cmp.c2,
4780                                                cpu_src2, dst);
4781                             free_compare(&cmp);
4782                             gen_store_gpr(dc, rd, dst);
4783                             break;
4784                         }
4785 #endif
4786                     default:
4787                         goto illegal_insn;
4788                     }
4789                 }
4790             } else if (xop == 0x36) { /* UltraSparc shutdown, VIS, V8 CPop1 */
4791 #ifdef TARGET_SPARC64
4792                 int opf = GET_FIELD_SP(insn, 5, 13);
4793                 rs1 = GET_FIELD(insn, 13, 17);
4794                 rs2 = GET_FIELD(insn, 27, 31);
4795                 if (gen_trap_ifnofpu(dc)) {
4796                     goto jmp_insn;
4797                 }
4798 
4799                 switch (opf) {
4800                 case 0x000: /* VIS I edge8cc */
4801                     CHECK_FPU_FEATURE(dc, VIS1);
4802                     cpu_src1 = gen_load_gpr(dc, rs1);
4803                     cpu_src2 = gen_load_gpr(dc, rs2);
4804                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 1, 0);
4805                     gen_store_gpr(dc, rd, cpu_dst);
4806                     break;
4807                 case 0x001: /* VIS II edge8n */
4808                     CHECK_FPU_FEATURE(dc, VIS2);
4809                     cpu_src1 = gen_load_gpr(dc, rs1);
4810                     cpu_src2 = gen_load_gpr(dc, rs2);
4811                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 0, 0);
4812                     gen_store_gpr(dc, rd, cpu_dst);
4813                     break;
4814                 case 0x002: /* VIS I edge8lcc */
4815                     CHECK_FPU_FEATURE(dc, VIS1);
4816                     cpu_src1 = gen_load_gpr(dc, rs1);
4817                     cpu_src2 = gen_load_gpr(dc, rs2);
4818                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 1, 1);
4819                     gen_store_gpr(dc, rd, cpu_dst);
4820                     break;
4821                 case 0x003: /* VIS II edge8ln */
4822                     CHECK_FPU_FEATURE(dc, VIS2);
4823                     cpu_src1 = gen_load_gpr(dc, rs1);
4824                     cpu_src2 = gen_load_gpr(dc, rs2);
4825                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 0, 1);
4826                     gen_store_gpr(dc, rd, cpu_dst);
4827                     break;
4828                 case 0x004: /* VIS I edge16cc */
4829                     CHECK_FPU_FEATURE(dc, VIS1);
4830                     cpu_src1 = gen_load_gpr(dc, rs1);
4831                     cpu_src2 = gen_load_gpr(dc, rs2);
4832                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 1, 0);
4833                     gen_store_gpr(dc, rd, cpu_dst);
4834                     break;
4835                 case 0x005: /* VIS II edge16n */
4836                     CHECK_FPU_FEATURE(dc, VIS2);
4837                     cpu_src1 = gen_load_gpr(dc, rs1);
4838                     cpu_src2 = gen_load_gpr(dc, rs2);
4839                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 0, 0);
4840                     gen_store_gpr(dc, rd, cpu_dst);
4841                     break;
4842                 case 0x006: /* VIS I edge16lcc */
4843                     CHECK_FPU_FEATURE(dc, VIS1);
4844                     cpu_src1 = gen_load_gpr(dc, rs1);
4845                     cpu_src2 = gen_load_gpr(dc, rs2);
4846                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 1, 1);
4847                     gen_store_gpr(dc, rd, cpu_dst);
4848                     break;
4849                 case 0x007: /* VIS II edge16ln */
4850                     CHECK_FPU_FEATURE(dc, VIS2);
4851                     cpu_src1 = gen_load_gpr(dc, rs1);
4852                     cpu_src2 = gen_load_gpr(dc, rs2);
4853                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 0, 1);
4854                     gen_store_gpr(dc, rd, cpu_dst);
4855                     break;
4856                 case 0x008: /* VIS I edge32cc */
4857                     CHECK_FPU_FEATURE(dc, VIS1);
4858                     cpu_src1 = gen_load_gpr(dc, rs1);
4859                     cpu_src2 = gen_load_gpr(dc, rs2);
4860                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 1, 0);
4861                     gen_store_gpr(dc, rd, cpu_dst);
4862                     break;
4863                 case 0x009: /* VIS II edge32n */
4864                     CHECK_FPU_FEATURE(dc, VIS2);
4865                     cpu_src1 = gen_load_gpr(dc, rs1);
4866                     cpu_src2 = gen_load_gpr(dc, rs2);
4867                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 0, 0);
4868                     gen_store_gpr(dc, rd, cpu_dst);
4869                     break;
4870                 case 0x00a: /* VIS I edge32lcc */
4871                     CHECK_FPU_FEATURE(dc, VIS1);
4872                     cpu_src1 = gen_load_gpr(dc, rs1);
4873                     cpu_src2 = gen_load_gpr(dc, rs2);
4874                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 1, 1);
4875                     gen_store_gpr(dc, rd, cpu_dst);
4876                     break;
4877                 case 0x00b: /* VIS II edge32ln */
4878                     CHECK_FPU_FEATURE(dc, VIS2);
4879                     cpu_src1 = gen_load_gpr(dc, rs1);
4880                     cpu_src2 = gen_load_gpr(dc, rs2);
4881                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 0, 1);
4882                     gen_store_gpr(dc, rd, cpu_dst);
4883                     break;
4884                 case 0x010: /* VIS I array8 */
4885                     CHECK_FPU_FEATURE(dc, VIS1);
4886                     cpu_src1 = gen_load_gpr(dc, rs1);
4887                     cpu_src2 = gen_load_gpr(dc, rs2);
4888                     gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
4889                     gen_store_gpr(dc, rd, cpu_dst);
4890                     break;
4891                 case 0x012: /* VIS I array16 */
4892                     CHECK_FPU_FEATURE(dc, VIS1);
4893                     cpu_src1 = gen_load_gpr(dc, rs1);
4894                     cpu_src2 = gen_load_gpr(dc, rs2);
4895                     gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
4896                     tcg_gen_shli_i64(cpu_dst, cpu_dst, 1);
4897                     gen_store_gpr(dc, rd, cpu_dst);
4898                     break;
4899                 case 0x014: /* VIS I array32 */
4900                     CHECK_FPU_FEATURE(dc, VIS1);
4901                     cpu_src1 = gen_load_gpr(dc, rs1);
4902                     cpu_src2 = gen_load_gpr(dc, rs2);
4903                     gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
4904                     tcg_gen_shli_i64(cpu_dst, cpu_dst, 2);
4905                     gen_store_gpr(dc, rd, cpu_dst);
4906                     break;
4907                 case 0x018: /* VIS I alignaddr */
4908                     CHECK_FPU_FEATURE(dc, VIS1);
4909                     cpu_src1 = gen_load_gpr(dc, rs1);
4910                     cpu_src2 = gen_load_gpr(dc, rs2);
4911                     gen_alignaddr(cpu_dst, cpu_src1, cpu_src2, 0);
4912                     gen_store_gpr(dc, rd, cpu_dst);
4913                     break;
4914                 case 0x01a: /* VIS I alignaddrl */
4915                     CHECK_FPU_FEATURE(dc, VIS1);
4916                     cpu_src1 = gen_load_gpr(dc, rs1);
4917                     cpu_src2 = gen_load_gpr(dc, rs2);
4918                     gen_alignaddr(cpu_dst, cpu_src1, cpu_src2, 1);
4919                     gen_store_gpr(dc, rd, cpu_dst);
4920                     break;
4921                 case 0x019: /* VIS II bmask */
4922                     CHECK_FPU_FEATURE(dc, VIS2);
4923                     cpu_src1 = gen_load_gpr(dc, rs1);
4924                     cpu_src2 = gen_load_gpr(dc, rs2);
4925                     tcg_gen_add_tl(cpu_dst, cpu_src1, cpu_src2);
4926                     tcg_gen_deposit_tl(cpu_gsr, cpu_gsr, cpu_dst, 32, 32);
4927                     gen_store_gpr(dc, rd, cpu_dst);
4928                     break;
4929                 case 0x020: /* VIS I fcmple16 */
4930                     CHECK_FPU_FEATURE(dc, VIS1);
4931                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4932                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4933                     gen_helper_fcmple16(cpu_dst, cpu_src1_64, cpu_src2_64);
4934                     gen_store_gpr(dc, rd, cpu_dst);
4935                     break;
4936                 case 0x022: /* VIS I fcmpne16 */
4937                     CHECK_FPU_FEATURE(dc, VIS1);
4938                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4939                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4940                     gen_helper_fcmpne16(cpu_dst, cpu_src1_64, cpu_src2_64);
4941                     gen_store_gpr(dc, rd, cpu_dst);
4942                     break;
4943                 case 0x024: /* VIS I fcmple32 */
4944                     CHECK_FPU_FEATURE(dc, VIS1);
4945                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4946                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4947                     gen_helper_fcmple32(cpu_dst, cpu_src1_64, cpu_src2_64);
4948                     gen_store_gpr(dc, rd, cpu_dst);
4949                     break;
4950                 case 0x026: /* VIS I fcmpne32 */
4951                     CHECK_FPU_FEATURE(dc, VIS1);
4952                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4953                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4954                     gen_helper_fcmpne32(cpu_dst, cpu_src1_64, cpu_src2_64);
4955                     gen_store_gpr(dc, rd, cpu_dst);
4956                     break;
4957                 case 0x028: /* VIS I fcmpgt16 */
4958                     CHECK_FPU_FEATURE(dc, VIS1);
4959                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4960                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4961                     gen_helper_fcmpgt16(cpu_dst, cpu_src1_64, cpu_src2_64);
4962                     gen_store_gpr(dc, rd, cpu_dst);
4963                     break;
4964                 case 0x02a: /* VIS I fcmpeq16 */
4965                     CHECK_FPU_FEATURE(dc, VIS1);
4966                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4967                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4968                     gen_helper_fcmpeq16(cpu_dst, cpu_src1_64, cpu_src2_64);
4969                     gen_store_gpr(dc, rd, cpu_dst);
4970                     break;
4971                 case 0x02c: /* VIS I fcmpgt32 */
4972                     CHECK_FPU_FEATURE(dc, VIS1);
4973                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4974                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4975                     gen_helper_fcmpgt32(cpu_dst, cpu_src1_64, cpu_src2_64);
4976                     gen_store_gpr(dc, rd, cpu_dst);
4977                     break;
4978                 case 0x02e: /* VIS I fcmpeq32 */
4979                     CHECK_FPU_FEATURE(dc, VIS1);
4980                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4981                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4982                     gen_helper_fcmpeq32(cpu_dst, cpu_src1_64, cpu_src2_64);
4983                     gen_store_gpr(dc, rd, cpu_dst);
4984                     break;
4985                 case 0x031: /* VIS I fmul8x16 */
4986                     CHECK_FPU_FEATURE(dc, VIS1);
4987                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8x16);
4988                     break;
4989                 case 0x033: /* VIS I fmul8x16au */
4990                     CHECK_FPU_FEATURE(dc, VIS1);
4991                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8x16au);
4992                     break;
4993                 case 0x035: /* VIS I fmul8x16al */
4994                     CHECK_FPU_FEATURE(dc, VIS1);
4995                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8x16al);
4996                     break;
4997                 case 0x036: /* VIS I fmul8sux16 */
4998                     CHECK_FPU_FEATURE(dc, VIS1);
4999                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8sux16);
5000                     break;
5001                 case 0x037: /* VIS I fmul8ulx16 */
5002                     CHECK_FPU_FEATURE(dc, VIS1);
5003                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8ulx16);
5004                     break;
5005                 case 0x038: /* VIS I fmuld8sux16 */
5006                     CHECK_FPU_FEATURE(dc, VIS1);
5007                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld8sux16);
5008                     break;
5009                 case 0x039: /* VIS I fmuld8ulx16 */
5010                     CHECK_FPU_FEATURE(dc, VIS1);
5011                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld8ulx16);
5012                     break;
5013                 case 0x03a: /* VIS I fpack32 */
5014                     CHECK_FPU_FEATURE(dc, VIS1);
5015                     gen_gsr_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpack32);
5016                     break;
5017                 case 0x03b: /* VIS I fpack16 */
5018                     CHECK_FPU_FEATURE(dc, VIS1);
5019                     cpu_src1_64 = gen_load_fpr_D(dc, rs2);
5020                     cpu_dst_32 = gen_dest_fpr_F(dc);
5021                     gen_helper_fpack16(cpu_dst_32, cpu_gsr, cpu_src1_64);
5022                     gen_store_fpr_F(dc, rd, cpu_dst_32);
5023                     break;
5024                 case 0x03d: /* VIS I fpackfix */
5025                     CHECK_FPU_FEATURE(dc, VIS1);
5026                     cpu_src1_64 = gen_load_fpr_D(dc, rs2);
5027                     cpu_dst_32 = gen_dest_fpr_F(dc);
5028                     gen_helper_fpackfix(cpu_dst_32, cpu_gsr, cpu_src1_64);
5029                     gen_store_fpr_F(dc, rd, cpu_dst_32);
5030                     break;
5031                 case 0x03e: /* VIS I pdist */
5032                     CHECK_FPU_FEATURE(dc, VIS1);
5033                     gen_ne_fop_DDDD(dc, rd, rs1, rs2, gen_helper_pdist);
5034                     break;
5035                 case 0x048: /* VIS I faligndata */
5036                     CHECK_FPU_FEATURE(dc, VIS1);
5037                     gen_gsr_fop_DDD(dc, rd, rs1, rs2, gen_faligndata);
5038                     break;
5039                 case 0x04b: /* VIS I fpmerge */
5040                     CHECK_FPU_FEATURE(dc, VIS1);
5041                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpmerge);
5042                     break;
5043                 case 0x04c: /* VIS II bshuffle */
5044                     CHECK_FPU_FEATURE(dc, VIS2);
5045                     gen_gsr_fop_DDD(dc, rd, rs1, rs2, gen_helper_bshuffle);
5046                     break;
5047                 case 0x04d: /* VIS I fexpand */
5048                     CHECK_FPU_FEATURE(dc, VIS1);
5049                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fexpand);
5050                     break;
5051                 case 0x050: /* VIS I fpadd16 */
5052                     CHECK_FPU_FEATURE(dc, VIS1);
5053                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpadd16);
5054                     break;
5055                 case 0x051: /* VIS I fpadd16s */
5056                     CHECK_FPU_FEATURE(dc, VIS1);
5057                     gen_ne_fop_FFF(dc, rd, rs1, rs2, gen_helper_fpadd16s);
5058                     break;
5059                 case 0x052: /* VIS I fpadd32 */
5060                     CHECK_FPU_FEATURE(dc, VIS1);
5061                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpadd32);
5062                     break;
5063                 case 0x053: /* VIS I fpadd32s */
5064                     CHECK_FPU_FEATURE(dc, VIS1);
5065                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_add_i32);
5066                     break;
5067                 case 0x054: /* VIS I fpsub16 */
5068                     CHECK_FPU_FEATURE(dc, VIS1);
5069                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpsub16);
5070                     break;
5071                 case 0x055: /* VIS I fpsub16s */
5072                     CHECK_FPU_FEATURE(dc, VIS1);
5073                     gen_ne_fop_FFF(dc, rd, rs1, rs2, gen_helper_fpsub16s);
5074                     break;
5075                 case 0x056: /* VIS I fpsub32 */
5076                     CHECK_FPU_FEATURE(dc, VIS1);
5077                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpsub32);
5078                     break;
5079                 case 0x057: /* VIS I fpsub32s */
5080                     CHECK_FPU_FEATURE(dc, VIS1);
5081                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_sub_i32);
5082                     break;
5083                 case 0x060: /* VIS I fzero */
5084                     CHECK_FPU_FEATURE(dc, VIS1);
5085                     cpu_dst_64 = gen_dest_fpr_D(dc, rd);
5086                     tcg_gen_movi_i64(cpu_dst_64, 0);
5087                     gen_store_fpr_D(dc, rd, cpu_dst_64);
5088                     break;
5089                 case 0x061: /* VIS I fzeros */
5090                     CHECK_FPU_FEATURE(dc, VIS1);
5091                     cpu_dst_32 = gen_dest_fpr_F(dc);
5092                     tcg_gen_movi_i32(cpu_dst_32, 0);
5093                     gen_store_fpr_F(dc, rd, cpu_dst_32);
5094                     break;
5095                 case 0x062: /* VIS I fnor */
5096                     CHECK_FPU_FEATURE(dc, VIS1);
5097                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_nor_i64);
5098                     break;
5099                 case 0x063: /* VIS I fnors */
5100                     CHECK_FPU_FEATURE(dc, VIS1);
5101                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_nor_i32);
5102                     break;
5103                 case 0x064: /* VIS I fandnot2 */
5104                     CHECK_FPU_FEATURE(dc, VIS1);
5105                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_andc_i64);
5106                     break;
5107                 case 0x065: /* VIS I fandnot2s */
5108                     CHECK_FPU_FEATURE(dc, VIS1);
5109                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_andc_i32);
5110                     break;
5111                 case 0x066: /* VIS I fnot2 */
5112                     CHECK_FPU_FEATURE(dc, VIS1);
5113                     gen_ne_fop_DD(dc, rd, rs2, tcg_gen_not_i64);
5114                     break;
5115                 case 0x067: /* VIS I fnot2s */
5116                     CHECK_FPU_FEATURE(dc, VIS1);
5117                     gen_ne_fop_FF(dc, rd, rs2, tcg_gen_not_i32);
5118                     break;
5119                 case 0x068: /* VIS I fandnot1 */
5120                     CHECK_FPU_FEATURE(dc, VIS1);
5121                     gen_ne_fop_DDD(dc, rd, rs2, rs1, tcg_gen_andc_i64);
5122                     break;
5123                 case 0x069: /* VIS I fandnot1s */
5124                     CHECK_FPU_FEATURE(dc, VIS1);
5125                     gen_ne_fop_FFF(dc, rd, rs2, rs1, tcg_gen_andc_i32);
5126                     break;
5127                 case 0x06a: /* VIS I fnot1 */
5128                     CHECK_FPU_FEATURE(dc, VIS1);
5129                     gen_ne_fop_DD(dc, rd, rs1, tcg_gen_not_i64);
5130                     break;
5131                 case 0x06b: /* VIS I fnot1s */
5132                     CHECK_FPU_FEATURE(dc, VIS1);
5133                     gen_ne_fop_FF(dc, rd, rs1, tcg_gen_not_i32);
5134                     break;
5135                 case 0x06c: /* VIS I fxor */
5136                     CHECK_FPU_FEATURE(dc, VIS1);
5137                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_xor_i64);
5138                     break;
5139                 case 0x06d: /* VIS I fxors */
5140                     CHECK_FPU_FEATURE(dc, VIS1);
5141                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_xor_i32);
5142                     break;
5143                 case 0x06e: /* VIS I fnand */
5144                     CHECK_FPU_FEATURE(dc, VIS1);
5145                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_nand_i64);
5146                     break;
5147                 case 0x06f: /* VIS I fnands */
5148                     CHECK_FPU_FEATURE(dc, VIS1);
5149                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_nand_i32);
5150                     break;
5151                 case 0x070: /* VIS I fand */
5152                     CHECK_FPU_FEATURE(dc, VIS1);
5153                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_and_i64);
5154                     break;
5155                 case 0x071: /* VIS I fands */
5156                     CHECK_FPU_FEATURE(dc, VIS1);
5157                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_and_i32);
5158                     break;
5159                 case 0x072: /* VIS I fxnor */
5160                     CHECK_FPU_FEATURE(dc, VIS1);
5161                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_eqv_i64);
5162                     break;
5163                 case 0x073: /* VIS I fxnors */
5164                     CHECK_FPU_FEATURE(dc, VIS1);
5165                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_eqv_i32);
5166                     break;
5167                 case 0x074: /* VIS I fsrc1 */
5168                     CHECK_FPU_FEATURE(dc, VIS1);
5169                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
5170                     gen_store_fpr_D(dc, rd, cpu_src1_64);
5171                     break;
5172                 case 0x075: /* VIS I fsrc1s */
5173                     CHECK_FPU_FEATURE(dc, VIS1);
5174                     cpu_src1_32 = gen_load_fpr_F(dc, rs1);
5175                     gen_store_fpr_F(dc, rd, cpu_src1_32);
5176                     break;
5177                 case 0x076: /* VIS I fornot2 */
5178                     CHECK_FPU_FEATURE(dc, VIS1);
5179                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_orc_i64);
5180                     break;
5181                 case 0x077: /* VIS I fornot2s */
5182                     CHECK_FPU_FEATURE(dc, VIS1);
5183                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_orc_i32);
5184                     break;
5185                 case 0x078: /* VIS I fsrc2 */
5186                     CHECK_FPU_FEATURE(dc, VIS1);
5187                     cpu_src1_64 = gen_load_fpr_D(dc, rs2);
5188                     gen_store_fpr_D(dc, rd, cpu_src1_64);
5189                     break;
5190                 case 0x079: /* VIS I fsrc2s */
5191                     CHECK_FPU_FEATURE(dc, VIS1);
5192                     cpu_src1_32 = gen_load_fpr_F(dc, rs2);
5193                     gen_store_fpr_F(dc, rd, cpu_src1_32);
5194                     break;
5195                 case 0x07a: /* VIS I fornot1 */
5196                     CHECK_FPU_FEATURE(dc, VIS1);
5197                     gen_ne_fop_DDD(dc, rd, rs2, rs1, tcg_gen_orc_i64);
5198                     break;
5199                 case 0x07b: /* VIS I fornot1s */
5200                     CHECK_FPU_FEATURE(dc, VIS1);
5201                     gen_ne_fop_FFF(dc, rd, rs2, rs1, tcg_gen_orc_i32);
5202                     break;
5203                 case 0x07c: /* VIS I for */
5204                     CHECK_FPU_FEATURE(dc, VIS1);
5205                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_or_i64);
5206                     break;
5207                 case 0x07d: /* VIS I fors */
5208                     CHECK_FPU_FEATURE(dc, VIS1);
5209                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_or_i32);
5210                     break;
5211                 case 0x07e: /* VIS I fone */
5212                     CHECK_FPU_FEATURE(dc, VIS1);
5213                     cpu_dst_64 = gen_dest_fpr_D(dc, rd);
5214                     tcg_gen_movi_i64(cpu_dst_64, -1);
5215                     gen_store_fpr_D(dc, rd, cpu_dst_64);
5216                     break;
5217                 case 0x07f: /* VIS I fones */
5218                     CHECK_FPU_FEATURE(dc, VIS1);
5219                     cpu_dst_32 = gen_dest_fpr_F(dc);
5220                     tcg_gen_movi_i32(cpu_dst_32, -1);
5221                     gen_store_fpr_F(dc, rd, cpu_dst_32);
5222                     break;
5223                 case 0x080: /* VIS I shutdown */
5224                 case 0x081: /* VIS II siam */
5225                     // XXX
5226                     goto illegal_insn;
5227                 default:
5228                     goto illegal_insn;
5229                 }
5230 #else
5231                 goto ncp_insn;
5232 #endif
5233             } else if (xop == 0x37) { /* V8 CPop2, V9 impdep2 */
5234 #ifdef TARGET_SPARC64
5235                 goto illegal_insn;
5236 #else
5237                 goto ncp_insn;
5238 #endif
5239 #ifdef TARGET_SPARC64
5240             } else if (xop == 0x39) { /* V9 return */
5241                 save_state(dc);
5242                 cpu_src1 = get_src1(dc, insn);
5243                 cpu_tmp0 = get_temp_tl(dc);
5244                 if (IS_IMM) {   /* immediate */
5245                     simm = GET_FIELDs(insn, 19, 31);
5246                     tcg_gen_addi_tl(cpu_tmp0, cpu_src1, simm);
5247                 } else {                /* register */
5248                     rs2 = GET_FIELD(insn, 27, 31);
5249                     if (rs2) {
5250                         cpu_src2 = gen_load_gpr(dc, rs2);
5251                         tcg_gen_add_tl(cpu_tmp0, cpu_src1, cpu_src2);
5252                     } else {
5253                         tcg_gen_mov_tl(cpu_tmp0, cpu_src1);
5254                     }
5255                 }
5256                 gen_helper_restore(cpu_env);
5257                 gen_mov_pc_npc(dc);
5258                 gen_check_align(cpu_tmp0, 3);
5259                 tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
5260                 dc->npc = DYNAMIC_PC;
5261                 goto jmp_insn;
5262 #endif
5263             } else {
5264                 cpu_src1 = get_src1(dc, insn);
5265                 cpu_tmp0 = get_temp_tl(dc);
5266                 if (IS_IMM) {   /* immediate */
5267                     simm = GET_FIELDs(insn, 19, 31);
5268                     tcg_gen_addi_tl(cpu_tmp0, cpu_src1, simm);
5269                 } else {                /* register */
5270                     rs2 = GET_FIELD(insn, 27, 31);
5271                     if (rs2) {
5272                         cpu_src2 = gen_load_gpr(dc, rs2);
5273                         tcg_gen_add_tl(cpu_tmp0, cpu_src1, cpu_src2);
5274                     } else {
5275                         tcg_gen_mov_tl(cpu_tmp0, cpu_src1);
5276                     }
5277                 }
5278                 switch (xop) {
5279                 case 0x38:      /* jmpl */
5280                     {
5281                         TCGv t = gen_dest_gpr(dc, rd);
5282                         tcg_gen_movi_tl(t, dc->pc);
5283                         gen_store_gpr(dc, rd, t);
5284 
5285                         gen_mov_pc_npc(dc);
5286                         gen_check_align(cpu_tmp0, 3);
5287                         gen_address_mask(dc, cpu_tmp0);
5288                         tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
5289                         dc->npc = DYNAMIC_PC;
5290                     }
5291                     goto jmp_insn;
5292 #if !defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64)
5293                 case 0x39:      /* rett, V9 return */
5294                     {
5295                         if (!supervisor(dc))
5296                             goto priv_insn;
5297                         gen_mov_pc_npc(dc);
5298                         gen_check_align(cpu_tmp0, 3);
5299                         tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
5300                         dc->npc = DYNAMIC_PC;
5301                         gen_helper_rett(cpu_env);
5302                     }
5303                     goto jmp_insn;
5304 #endif
5305                 case 0x3b: /* flush */
5306                     if (!((dc)->def->features & CPU_FEATURE_FLUSH))
5307                         goto unimp_flush;
5308                     /* nop */
5309                     break;
5310                 case 0x3c:      /* save */
5311                     gen_helper_save(cpu_env);
5312                     gen_store_gpr(dc, rd, cpu_tmp0);
5313                     break;
5314                 case 0x3d:      /* restore */
5315                     gen_helper_restore(cpu_env);
5316                     gen_store_gpr(dc, rd, cpu_tmp0);
5317                     break;
5318 #if !defined(CONFIG_USER_ONLY) && defined(TARGET_SPARC64)
5319                 case 0x3e:      /* V9 done/retry */
5320                     {
5321                         switch (rd) {
5322                         case 0:
5323                             if (!supervisor(dc))
5324                                 goto priv_insn;
5325                             dc->npc = DYNAMIC_PC;
5326                             dc->pc = DYNAMIC_PC;
5327                             if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
5328                                 gen_io_start();
5329                             }
5330                             gen_helper_done(cpu_env);
5331                             goto jmp_insn;
5332                         case 1:
5333                             if (!supervisor(dc))
5334                                 goto priv_insn;
5335                             dc->npc = DYNAMIC_PC;
5336                             dc->pc = DYNAMIC_PC;
5337                             if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
5338                                 gen_io_start();
5339                             }
5340                             gen_helper_retry(cpu_env);
5341                             goto jmp_insn;
5342                         default:
5343                             goto illegal_insn;
5344                         }
5345                     }
5346                     break;
5347 #endif
5348                 default:
5349                     goto illegal_insn;
5350                 }
5351             }
5352             break;
5353         }
5354         break;
5355     case 3:                     /* load/store instructions */
5356         {
5357             unsigned int xop = GET_FIELD(insn, 7, 12);
5358             /* ??? gen_address_mask prevents us from using a source
5359                register directly.  Always generate a temporary.  */
5360             TCGv cpu_addr = get_temp_tl(dc);
5361 
5362             tcg_gen_mov_tl(cpu_addr, get_src1(dc, insn));
5363             if (xop == 0x3c || xop == 0x3e) {
5364                 /* V9 casa/casxa : no offset */
5365             } else if (IS_IMM) {     /* immediate */
5366                 simm = GET_FIELDs(insn, 19, 31);
5367                 if (simm != 0) {
5368                     tcg_gen_addi_tl(cpu_addr, cpu_addr, simm);
5369                 }
5370             } else {            /* register */
5371                 rs2 = GET_FIELD(insn, 27, 31);
5372                 if (rs2 != 0) {
5373                     tcg_gen_add_tl(cpu_addr, cpu_addr, gen_load_gpr(dc, rs2));
5374                 }
5375             }
5376             if (xop < 4 || (xop > 7 && xop < 0x14 && xop != 0x0e) ||
5377                 (xop > 0x17 && xop <= 0x1d ) ||
5378                 (xop > 0x2c && xop <= 0x33) || xop == 0x1f || xop == 0x3d) {
5379                 TCGv cpu_val = gen_dest_gpr(dc, rd);
5380 
5381                 switch (xop) {
5382                 case 0x0:       /* ld, V9 lduw, load unsigned word */
5383                     gen_address_mask(dc, cpu_addr);
5384                     tcg_gen_qemu_ld32u(cpu_val, cpu_addr, dc->mem_idx);
5385                     break;
5386                 case 0x1:       /* ldub, load unsigned byte */
5387                     gen_address_mask(dc, cpu_addr);
5388                     tcg_gen_qemu_ld8u(cpu_val, cpu_addr, dc->mem_idx);
5389                     break;
5390                 case 0x2:       /* lduh, load unsigned halfword */
5391                     gen_address_mask(dc, cpu_addr);
5392                     tcg_gen_qemu_ld16u(cpu_val, cpu_addr, dc->mem_idx);
5393                     break;
5394                 case 0x3:       /* ldd, load double word */
5395                     if (rd & 1)
5396                         goto illegal_insn;
5397                     else {
5398                         TCGv_i64 t64;
5399 
5400                         gen_address_mask(dc, cpu_addr);
5401                         t64 = tcg_temp_new_i64();
5402                         tcg_gen_qemu_ld64(t64, cpu_addr, dc->mem_idx);
5403                         tcg_gen_trunc_i64_tl(cpu_val, t64);
5404                         tcg_gen_ext32u_tl(cpu_val, cpu_val);
5405                         gen_store_gpr(dc, rd + 1, cpu_val);
5406                         tcg_gen_shri_i64(t64, t64, 32);
5407                         tcg_gen_trunc_i64_tl(cpu_val, t64);
5408                         tcg_temp_free_i64(t64);
5409                         tcg_gen_ext32u_tl(cpu_val, cpu_val);
5410                     }
5411                     break;
5412                 case 0x9:       /* ldsb, load signed byte */
5413                     gen_address_mask(dc, cpu_addr);
5414                     tcg_gen_qemu_ld8s(cpu_val, cpu_addr, dc->mem_idx);
5415                     break;
5416                 case 0xa:       /* ldsh, load signed halfword */
5417                     gen_address_mask(dc, cpu_addr);
5418                     tcg_gen_qemu_ld16s(cpu_val, cpu_addr, dc->mem_idx);
5419                     break;
5420                 case 0xd:       /* ldstub */
5421                     gen_ldstub(dc, cpu_val, cpu_addr, dc->mem_idx);
5422                     break;
5423                 case 0x0f:
5424                     /* swap, swap register with memory. Also atomically */
5425                     CHECK_IU_FEATURE(dc, SWAP);
5426                     cpu_src1 = gen_load_gpr(dc, rd);
5427                     gen_swap(dc, cpu_val, cpu_src1, cpu_addr,
5428                              dc->mem_idx, MO_TEUL);
5429                     break;
5430 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5431                 case 0x10:      /* lda, V9 lduwa, load word alternate */
5432                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TEUL);
5433                     break;
5434                 case 0x11:      /* lduba, load unsigned byte alternate */
5435                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_UB);
5436                     break;
5437                 case 0x12:      /* lduha, load unsigned halfword alternate */
5438                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TEUW);
5439                     break;
5440                 case 0x13:      /* ldda, load double word alternate */
5441                     if (rd & 1) {
5442                         goto illegal_insn;
5443                     }
5444                     gen_ldda_asi(dc, cpu_addr, insn, rd);
5445                     goto skip_move;
5446                 case 0x19:      /* ldsba, load signed byte alternate */
5447                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_SB);
5448                     break;
5449                 case 0x1a:      /* ldsha, load signed halfword alternate */
5450                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TESW);
5451                     break;
5452                 case 0x1d:      /* ldstuba -- XXX: should be atomically */
5453                     gen_ldstub_asi(dc, cpu_val, cpu_addr, insn);
5454                     break;
5455                 case 0x1f:      /* swapa, swap reg with alt. memory. Also
5456                                    atomically */
5457                     CHECK_IU_FEATURE(dc, SWAP);
5458                     cpu_src1 = gen_load_gpr(dc, rd);
5459                     gen_swap_asi(dc, cpu_val, cpu_src1, cpu_addr, insn);
5460                     break;
5461 
5462 #ifndef TARGET_SPARC64
5463                 case 0x30: /* ldc */
5464                 case 0x31: /* ldcsr */
5465                 case 0x33: /* lddc */
5466                     goto ncp_insn;
5467 #endif
5468 #endif
5469 #ifdef TARGET_SPARC64
5470                 case 0x08: /* V9 ldsw */
5471                     gen_address_mask(dc, cpu_addr);
5472                     tcg_gen_qemu_ld32s(cpu_val, cpu_addr, dc->mem_idx);
5473                     break;
5474                 case 0x0b: /* V9 ldx */
5475                     gen_address_mask(dc, cpu_addr);
5476                     tcg_gen_qemu_ld64(cpu_val, cpu_addr, dc->mem_idx);
5477                     break;
5478                 case 0x18: /* V9 ldswa */
5479                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TESL);
5480                     break;
5481                 case 0x1b: /* V9 ldxa */
5482                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TEUQ);
5483                     break;
5484                 case 0x2d: /* V9 prefetch, no effect */
5485                     goto skip_move;
5486                 case 0x30: /* V9 ldfa */
5487                     if (gen_trap_ifnofpu(dc)) {
5488                         goto jmp_insn;
5489                     }
5490                     gen_ldf_asi(dc, cpu_addr, insn, 4, rd);
5491                     gen_update_fprs_dirty(dc, rd);
5492                     goto skip_move;
5493                 case 0x33: /* V9 lddfa */
5494                     if (gen_trap_ifnofpu(dc)) {
5495                         goto jmp_insn;
5496                     }
5497                     gen_ldf_asi(dc, cpu_addr, insn, 8, DFPREG(rd));
5498                     gen_update_fprs_dirty(dc, DFPREG(rd));
5499                     goto skip_move;
5500                 case 0x3d: /* V9 prefetcha, no effect */
5501                     goto skip_move;
5502                 case 0x32: /* V9 ldqfa */
5503                     CHECK_FPU_FEATURE(dc, FLOAT128);
5504                     if (gen_trap_ifnofpu(dc)) {
5505                         goto jmp_insn;
5506                     }
5507                     gen_ldf_asi(dc, cpu_addr, insn, 16, QFPREG(rd));
5508                     gen_update_fprs_dirty(dc, QFPREG(rd));
5509                     goto skip_move;
5510 #endif
5511                 default:
5512                     goto illegal_insn;
5513                 }
5514                 gen_store_gpr(dc, rd, cpu_val);
5515 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5516             skip_move: ;
5517 #endif
5518             } else if (xop >= 0x20 && xop < 0x24) {
5519                 if (gen_trap_ifnofpu(dc)) {
5520                     goto jmp_insn;
5521                 }
5522                 switch (xop) {
5523                 case 0x20:      /* ldf, load fpreg */
5524                     gen_address_mask(dc, cpu_addr);
5525                     cpu_dst_32 = gen_dest_fpr_F(dc);
5526                     tcg_gen_qemu_ld_i32(cpu_dst_32, cpu_addr,
5527                                         dc->mem_idx, MO_TEUL);
5528                     gen_store_fpr_F(dc, rd, cpu_dst_32);
5529                     break;
5530                 case 0x21:      /* ldfsr, V9 ldxfsr */
5531 #ifdef TARGET_SPARC64
5532                     gen_address_mask(dc, cpu_addr);
5533                     if (rd == 1) {
5534                         TCGv_i64 t64 = tcg_temp_new_i64();
5535                         tcg_gen_qemu_ld_i64(t64, cpu_addr,
5536                                             dc->mem_idx, MO_TEUQ);
5537                         gen_helper_ldxfsr(cpu_fsr, cpu_env, cpu_fsr, t64);
5538                         tcg_temp_free_i64(t64);
5539                         break;
5540                     }
5541 #endif
5542                     cpu_dst_32 = get_temp_i32(dc);
5543                     tcg_gen_qemu_ld_i32(cpu_dst_32, cpu_addr,
5544                                         dc->mem_idx, MO_TEUL);
5545                     gen_helper_ldfsr(cpu_fsr, cpu_env, cpu_fsr, cpu_dst_32);
5546                     break;
5547                 case 0x22:      /* ldqf, load quad fpreg */
5548                     CHECK_FPU_FEATURE(dc, FLOAT128);
5549                     gen_address_mask(dc, cpu_addr);
5550                     cpu_src1_64 = tcg_temp_new_i64();
5551                     tcg_gen_qemu_ld_i64(cpu_src1_64, cpu_addr, dc->mem_idx,
5552                                         MO_TEUQ | MO_ALIGN_4);
5553                     tcg_gen_addi_tl(cpu_addr, cpu_addr, 8);
5554                     cpu_src2_64 = tcg_temp_new_i64();
5555                     tcg_gen_qemu_ld_i64(cpu_src2_64, cpu_addr, dc->mem_idx,
5556                                         MO_TEUQ | MO_ALIGN_4);
5557                     gen_store_fpr_Q(dc, rd, cpu_src1_64, cpu_src2_64);
5558                     tcg_temp_free_i64(cpu_src1_64);
5559                     tcg_temp_free_i64(cpu_src2_64);
5560                     break;
5561                 case 0x23:      /* lddf, load double fpreg */
5562                     gen_address_mask(dc, cpu_addr);
5563                     cpu_dst_64 = gen_dest_fpr_D(dc, rd);
5564                     tcg_gen_qemu_ld_i64(cpu_dst_64, cpu_addr, dc->mem_idx,
5565                                         MO_TEUQ | MO_ALIGN_4);
5566                     gen_store_fpr_D(dc, rd, cpu_dst_64);
5567                     break;
5568                 default:
5569                     goto illegal_insn;
5570                 }
5571             } else if (xop < 8 || (xop >= 0x14 && xop < 0x18) ||
5572                        xop == 0xe || xop == 0x1e) {
5573                 TCGv cpu_val = gen_load_gpr(dc, rd);
5574 
5575                 switch (xop) {
5576                 case 0x4: /* st, store word */
5577                     gen_address_mask(dc, cpu_addr);
5578                     tcg_gen_qemu_st32(cpu_val, cpu_addr, dc->mem_idx);
5579                     break;
5580                 case 0x5: /* stb, store byte */
5581                     gen_address_mask(dc, cpu_addr);
5582                     tcg_gen_qemu_st8(cpu_val, cpu_addr, dc->mem_idx);
5583                     break;
5584                 case 0x6: /* sth, store halfword */
5585                     gen_address_mask(dc, cpu_addr);
5586                     tcg_gen_qemu_st16(cpu_val, cpu_addr, dc->mem_idx);
5587                     break;
5588                 case 0x7: /* std, store double word */
5589                     if (rd & 1)
5590                         goto illegal_insn;
5591                     else {
5592                         TCGv_i64 t64;
5593                         TCGv lo;
5594 
5595                         gen_address_mask(dc, cpu_addr);
5596                         lo = gen_load_gpr(dc, rd + 1);
5597                         t64 = tcg_temp_new_i64();
5598                         tcg_gen_concat_tl_i64(t64, lo, cpu_val);
5599                         tcg_gen_qemu_st64(t64, cpu_addr, dc->mem_idx);
5600                         tcg_temp_free_i64(t64);
5601                     }
5602                     break;
5603 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5604                 case 0x14: /* sta, V9 stwa, store word alternate */
5605                     gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEUL);
5606                     break;
5607                 case 0x15: /* stba, store byte alternate */
5608                     gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_UB);
5609                     break;
5610                 case 0x16: /* stha, store halfword alternate */
5611                     gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEUW);
5612                     break;
5613                 case 0x17: /* stda, store double word alternate */
5614                     if (rd & 1) {
5615                         goto illegal_insn;
5616                     }
5617                     gen_stda_asi(dc, cpu_val, cpu_addr, insn, rd);
5618                     break;
5619 #endif
5620 #ifdef TARGET_SPARC64
5621                 case 0x0e: /* V9 stx */
5622                     gen_address_mask(dc, cpu_addr);
5623                     tcg_gen_qemu_st64(cpu_val, cpu_addr, dc->mem_idx);
5624                     break;
5625                 case 0x1e: /* V9 stxa */
5626                     gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEUQ);
5627                     break;
5628 #endif
5629                 default:
5630                     goto illegal_insn;
5631                 }
5632             } else if (xop > 0x23 && xop < 0x28) {
5633                 if (gen_trap_ifnofpu(dc)) {
5634                     goto jmp_insn;
5635                 }
5636                 switch (xop) {
5637                 case 0x24: /* stf, store fpreg */
5638                     gen_address_mask(dc, cpu_addr);
5639                     cpu_src1_32 = gen_load_fpr_F(dc, rd);
5640                     tcg_gen_qemu_st_i32(cpu_src1_32, cpu_addr,
5641                                         dc->mem_idx, MO_TEUL);
5642                     break;
5643                 case 0x25: /* stfsr, V9 stxfsr */
5644                     {
5645 #ifdef TARGET_SPARC64
5646                         gen_address_mask(dc, cpu_addr);
5647                         if (rd == 1) {
5648                             tcg_gen_qemu_st64(cpu_fsr, cpu_addr, dc->mem_idx);
5649                             break;
5650                         }
5651 #endif
5652                         tcg_gen_qemu_st32(cpu_fsr, cpu_addr, dc->mem_idx);
5653                     }
5654                     break;
5655                 case 0x26:
5656 #ifdef TARGET_SPARC64
5657                     /* V9 stqf, store quad fpreg */
5658                     CHECK_FPU_FEATURE(dc, FLOAT128);
5659                     gen_address_mask(dc, cpu_addr);
5660                     /* ??? While stqf only requires 4-byte alignment, it is
5661                        legal for the cpu to signal the unaligned exception.
5662                        The OS trap handler is then required to fix it up.
5663                        For qemu, this avoids having to probe the second page
5664                        before performing the first write.  */
5665                     cpu_src1_64 = gen_load_fpr_Q0(dc, rd);
5666                     tcg_gen_qemu_st_i64(cpu_src1_64, cpu_addr,
5667                                         dc->mem_idx, MO_TEUQ | MO_ALIGN_16);
5668                     tcg_gen_addi_tl(cpu_addr, cpu_addr, 8);
5669                     cpu_src2_64 = gen_load_fpr_Q1(dc, rd);
5670                     tcg_gen_qemu_st_i64(cpu_src1_64, cpu_addr,
5671                                         dc->mem_idx, MO_TEUQ);
5672                     break;
5673 #else /* !TARGET_SPARC64 */
5674                     /* stdfq, store floating point queue */
5675 #if defined(CONFIG_USER_ONLY)
5676                     goto illegal_insn;
5677 #else
5678                     if (!supervisor(dc))
5679                         goto priv_insn;
5680                     if (gen_trap_ifnofpu(dc)) {
5681                         goto jmp_insn;
5682                     }
5683                     goto nfq_insn;
5684 #endif
5685 #endif
5686                 case 0x27: /* stdf, store double fpreg */
5687                     gen_address_mask(dc, cpu_addr);
5688                     cpu_src1_64 = gen_load_fpr_D(dc, rd);
5689                     tcg_gen_qemu_st_i64(cpu_src1_64, cpu_addr, dc->mem_idx,
5690                                         MO_TEUQ | MO_ALIGN_4);
5691                     break;
5692                 default:
5693                     goto illegal_insn;
5694                 }
5695             } else if (xop > 0x33 && xop < 0x3f) {
5696                 switch (xop) {
5697 #ifdef TARGET_SPARC64
5698                 case 0x34: /* V9 stfa */
5699                     if (gen_trap_ifnofpu(dc)) {
5700                         goto jmp_insn;
5701                     }
5702                     gen_stf_asi(dc, cpu_addr, insn, 4, rd);
5703                     break;
5704                 case 0x36: /* V9 stqfa */
5705                     {
5706                         CHECK_FPU_FEATURE(dc, FLOAT128);
5707                         if (gen_trap_ifnofpu(dc)) {
5708                             goto jmp_insn;
5709                         }
5710                         gen_stf_asi(dc, cpu_addr, insn, 16, QFPREG(rd));
5711                     }
5712                     break;
5713                 case 0x37: /* V9 stdfa */
5714                     if (gen_trap_ifnofpu(dc)) {
5715                         goto jmp_insn;
5716                     }
5717                     gen_stf_asi(dc, cpu_addr, insn, 8, DFPREG(rd));
5718                     break;
5719                 case 0x3e: /* V9 casxa */
5720                     rs2 = GET_FIELD(insn, 27, 31);
5721                     cpu_src2 = gen_load_gpr(dc, rs2);
5722                     gen_casx_asi(dc, cpu_addr, cpu_src2, insn, rd);
5723                     break;
5724 #else
5725                 case 0x34: /* stc */
5726                 case 0x35: /* stcsr */
5727                 case 0x36: /* stdcq */
5728                 case 0x37: /* stdc */
5729                     goto ncp_insn;
5730 #endif
5731 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5732                 case 0x3c: /* V9 or LEON3 casa */
5733 #ifndef TARGET_SPARC64
5734                     CHECK_IU_FEATURE(dc, CASA);
5735 #endif
5736                     rs2 = GET_FIELD(insn, 27, 31);
5737                     cpu_src2 = gen_load_gpr(dc, rs2);
5738                     gen_cas_asi(dc, cpu_addr, cpu_src2, insn, rd);
5739                     break;
5740 #endif
5741                 default:
5742                     goto illegal_insn;
5743                 }
5744             } else {
5745                 goto illegal_insn;
5746             }
5747         }
5748         break;
5749     }
5750     /* default case for non jump instructions */
5751     if (dc->npc == DYNAMIC_PC) {
5752         dc->pc = DYNAMIC_PC;
5753         gen_op_next_insn();
5754     } else if (dc->npc == JUMP_PC) {
5755         /* we can do a static jump */
5756         gen_branch2(dc, dc->jump_pc[0], dc->jump_pc[1], cpu_cond);
5757         dc->base.is_jmp = DISAS_NORETURN;
5758     } else {
5759         dc->pc = dc->npc;
5760         dc->npc = dc->npc + 4;
5761     }
5762  jmp_insn:
5763     goto egress;
5764  illegal_insn:
5765     gen_exception(dc, TT_ILL_INSN);
5766     goto egress;
5767  unimp_flush:
5768     gen_exception(dc, TT_UNIMP_FLUSH);
5769     goto egress;
5770 #if !defined(CONFIG_USER_ONLY)
5771  priv_insn:
5772     gen_exception(dc, TT_PRIV_INSN);
5773     goto egress;
5774 #endif
5775  nfpu_insn:
5776     gen_op_fpexception_im(dc, FSR_FTT_UNIMPFPOP);
5777     goto egress;
5778 #if !defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64)
5779  nfq_insn:
5780     gen_op_fpexception_im(dc, FSR_FTT_SEQ_ERROR);
5781     goto egress;
5782 #endif
5783 #ifndef TARGET_SPARC64
5784  ncp_insn:
5785     gen_exception(dc, TT_NCP_INSN);
5786     goto egress;
5787 #endif
5788  egress:
5789     if (dc->n_t32 != 0) {
5790         int i;
5791         for (i = dc->n_t32 - 1; i >= 0; --i) {
5792             tcg_temp_free_i32(dc->t32[i]);
5793         }
5794         dc->n_t32 = 0;
5795     }
5796     if (dc->n_ttl != 0) {
5797         int i;
5798         for (i = dc->n_ttl - 1; i >= 0; --i) {
5799             tcg_temp_free(dc->ttl[i]);
5800         }
5801         dc->n_ttl = 0;
5802     }
5803 }
5804 
5805 static void sparc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
5806 {
5807     DisasContext *dc = container_of(dcbase, DisasContext, base);
5808     CPUSPARCState *env = cs->env_ptr;
5809     int bound;
5810 
5811     dc->pc = dc->base.pc_first;
5812     dc->npc = (target_ulong)dc->base.tb->cs_base;
5813     dc->cc_op = CC_OP_DYNAMIC;
5814     dc->mem_idx = dc->base.tb->flags & TB_FLAG_MMU_MASK;
5815     dc->def = &env->def;
5816     dc->fpu_enabled = tb_fpu_enabled(dc->base.tb->flags);
5817     dc->address_mask_32bit = tb_am_enabled(dc->base.tb->flags);
5818 #ifndef CONFIG_USER_ONLY
5819     dc->supervisor = (dc->base.tb->flags & TB_FLAG_SUPER) != 0;
5820 #endif
5821 #ifdef TARGET_SPARC64
5822     dc->fprs_dirty = 0;
5823     dc->asi = (dc->base.tb->flags >> TB_FLAG_ASI_SHIFT) & 0xff;
5824 #ifndef CONFIG_USER_ONLY
5825     dc->hypervisor = (dc->base.tb->flags & TB_FLAG_HYPER) != 0;
5826 #endif
5827 #endif
5828     /*
5829      * if we reach a page boundary, we stop generation so that the
5830      * PC of a TT_TFAULT exception is always in the right page
5831      */
5832     bound = -(dc->base.pc_first | TARGET_PAGE_MASK) / 4;
5833     dc->base.max_insns = MIN(dc->base.max_insns, bound);
5834 }
5835 
5836 static void sparc_tr_tb_start(DisasContextBase *db, CPUState *cs)
5837 {
5838 }
5839 
5840 static void sparc_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
5841 {
5842     DisasContext *dc = container_of(dcbase, DisasContext, base);
5843 
5844     if (dc->npc & JUMP_PC) {
5845         assert(dc->jump_pc[1] == dc->pc + 4);
5846         tcg_gen_insn_start(dc->pc, dc->jump_pc[0] | JUMP_PC);
5847     } else {
5848         tcg_gen_insn_start(dc->pc, dc->npc);
5849     }
5850 }
5851 
5852 static void sparc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
5853 {
5854     DisasContext *dc = container_of(dcbase, DisasContext, base);
5855     CPUSPARCState *env = cs->env_ptr;
5856     unsigned int insn;
5857 
5858     insn = translator_ldl(env, &dc->base, dc->pc);
5859     dc->base.pc_next += 4;
5860     disas_sparc_insn(dc, insn);
5861 
5862     if (dc->base.is_jmp == DISAS_NORETURN) {
5863         return;
5864     }
5865     if (dc->pc != dc->base.pc_next) {
5866         dc->base.is_jmp = DISAS_TOO_MANY;
5867     }
5868 }
5869 
5870 static void sparc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
5871 {
5872     DisasContext *dc = container_of(dcbase, DisasContext, base);
5873 
5874     switch (dc->base.is_jmp) {
5875     case DISAS_NEXT:
5876     case DISAS_TOO_MANY:
5877         if (dc->pc != DYNAMIC_PC &&
5878             (dc->npc != DYNAMIC_PC && dc->npc != JUMP_PC)) {
5879             /* static PC and NPC: we can use direct chaining */
5880             gen_goto_tb(dc, 0, dc->pc, dc->npc);
5881         } else {
5882             if (dc->pc != DYNAMIC_PC) {
5883                 tcg_gen_movi_tl(cpu_pc, dc->pc);
5884             }
5885             save_npc(dc);
5886             tcg_gen_exit_tb(NULL, 0);
5887         }
5888         break;
5889 
5890     case DISAS_NORETURN:
5891        break;
5892 
5893     case DISAS_EXIT:
5894         /* Exit TB */
5895         save_state(dc);
5896         tcg_gen_exit_tb(NULL, 0);
5897         break;
5898 
5899     default:
5900         g_assert_not_reached();
5901     }
5902 }
5903 
5904 static void sparc_tr_disas_log(const DisasContextBase *dcbase,
5905                                CPUState *cpu, FILE *logfile)
5906 {
5907     fprintf(logfile, "IN: %s\n", lookup_symbol(dcbase->pc_first));
5908     target_disas(logfile, cpu, dcbase->pc_first, dcbase->tb->size);
5909 }
5910 
5911 static const TranslatorOps sparc_tr_ops = {
5912     .init_disas_context = sparc_tr_init_disas_context,
5913     .tb_start           = sparc_tr_tb_start,
5914     .insn_start         = sparc_tr_insn_start,
5915     .translate_insn     = sparc_tr_translate_insn,
5916     .tb_stop            = sparc_tr_tb_stop,
5917     .disas_log          = sparc_tr_disas_log,
5918 };
5919 
5920 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
5921 {
5922     DisasContext dc = {};
5923 
5924     translator_loop(&sparc_tr_ops, &dc.base, cs, tb, max_insns);
5925 }
5926 
5927 void sparc_tcg_init(void)
5928 {
5929     static const char gregnames[32][4] = {
5930         "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
5931         "o0", "o1", "o2", "o3", "o4", "o5", "o6", "o7",
5932         "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
5933         "i0", "i1", "i2", "i3", "i4", "i5", "i6", "i7",
5934     };
5935     static const char fregnames[32][4] = {
5936         "f0", "f2", "f4", "f6", "f8", "f10", "f12", "f14",
5937         "f16", "f18", "f20", "f22", "f24", "f26", "f28", "f30",
5938         "f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46",
5939         "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62",
5940     };
5941 
5942     static const struct { TCGv_i32 *ptr; int off; const char *name; } r32[] = {
5943 #ifdef TARGET_SPARC64
5944         { &cpu_xcc, offsetof(CPUSPARCState, xcc), "xcc" },
5945         { &cpu_fprs, offsetof(CPUSPARCState, fprs), "fprs" },
5946 #else
5947         { &cpu_wim, offsetof(CPUSPARCState, wim), "wim" },
5948 #endif
5949         { &cpu_cc_op, offsetof(CPUSPARCState, cc_op), "cc_op" },
5950         { &cpu_psr, offsetof(CPUSPARCState, psr), "psr" },
5951     };
5952 
5953     static const struct { TCGv *ptr; int off; const char *name; } rtl[] = {
5954 #ifdef TARGET_SPARC64
5955         { &cpu_gsr, offsetof(CPUSPARCState, gsr), "gsr" },
5956         { &cpu_tick_cmpr, offsetof(CPUSPARCState, tick_cmpr), "tick_cmpr" },
5957         { &cpu_stick_cmpr, offsetof(CPUSPARCState, stick_cmpr), "stick_cmpr" },
5958         { &cpu_hstick_cmpr, offsetof(CPUSPARCState, hstick_cmpr),
5959           "hstick_cmpr" },
5960         { &cpu_hintp, offsetof(CPUSPARCState, hintp), "hintp" },
5961         { &cpu_htba, offsetof(CPUSPARCState, htba), "htba" },
5962         { &cpu_hver, offsetof(CPUSPARCState, hver), "hver" },
5963         { &cpu_ssr, offsetof(CPUSPARCState, ssr), "ssr" },
5964         { &cpu_ver, offsetof(CPUSPARCState, version), "ver" },
5965 #endif
5966         { &cpu_cond, offsetof(CPUSPARCState, cond), "cond" },
5967         { &cpu_cc_src, offsetof(CPUSPARCState, cc_src), "cc_src" },
5968         { &cpu_cc_src2, offsetof(CPUSPARCState, cc_src2), "cc_src2" },
5969         { &cpu_cc_dst, offsetof(CPUSPARCState, cc_dst), "cc_dst" },
5970         { &cpu_fsr, offsetof(CPUSPARCState, fsr), "fsr" },
5971         { &cpu_pc, offsetof(CPUSPARCState, pc), "pc" },
5972         { &cpu_npc, offsetof(CPUSPARCState, npc), "npc" },
5973         { &cpu_y, offsetof(CPUSPARCState, y), "y" },
5974 #ifndef CONFIG_USER_ONLY
5975         { &cpu_tbr, offsetof(CPUSPARCState, tbr), "tbr" },
5976 #endif
5977     };
5978 
5979     unsigned int i;
5980 
5981     cpu_regwptr = tcg_global_mem_new_ptr(cpu_env,
5982                                          offsetof(CPUSPARCState, regwptr),
5983                                          "regwptr");
5984 
5985     for (i = 0; i < ARRAY_SIZE(r32); ++i) {
5986         *r32[i].ptr = tcg_global_mem_new_i32(cpu_env, r32[i].off, r32[i].name);
5987     }
5988 
5989     for (i = 0; i < ARRAY_SIZE(rtl); ++i) {
5990         *rtl[i].ptr = tcg_global_mem_new(cpu_env, rtl[i].off, rtl[i].name);
5991     }
5992 
5993     cpu_regs[0] = NULL;
5994     for (i = 1; i < 8; ++i) {
5995         cpu_regs[i] = tcg_global_mem_new(cpu_env,
5996                                          offsetof(CPUSPARCState, gregs[i]),
5997                                          gregnames[i]);
5998     }
5999 
6000     for (i = 8; i < 32; ++i) {
6001         cpu_regs[i] = tcg_global_mem_new(cpu_regwptr,
6002                                          (i - 8) * sizeof(target_ulong),
6003                                          gregnames[i]);
6004     }
6005 
6006     for (i = 0; i < TARGET_DPREGS; i++) {
6007         cpu_fpr[i] = tcg_global_mem_new_i64(cpu_env,
6008                                             offsetof(CPUSPARCState, fpr[i]),
6009                                             fregnames[i]);
6010     }
6011 }
6012 
6013 void restore_state_to_opc(CPUSPARCState *env, TranslationBlock *tb,
6014                           target_ulong *data)
6015 {
6016     target_ulong pc = data[0];
6017     target_ulong npc = data[1];
6018 
6019     env->pc = pc;
6020     if (npc == DYNAMIC_PC) {
6021         /* dynamic NPC: already stored */
6022     } else if (npc & JUMP_PC) {
6023         /* jump PC: use 'cond' and the jump targets of the translation */
6024         if (env->cond) {
6025             env->npc = npc & ~3;
6026         } else {
6027             env->npc = pc + 4;
6028         }
6029     } else {
6030         env->npc = npc;
6031     }
6032 }
6033