xref: /openbmc/qemu/target/sparc/translate.c (revision 8f0a3716)
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 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-op.h"
28 #include "exec/cpu_ldst.h"
29 
30 #include "exec/helper-gen.h"
31 
32 #include "trace-tcg.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 /* global register indexes */
44 static TCGv_ptr cpu_regwptr;
45 static TCGv cpu_cc_src, cpu_cc_src2, cpu_cc_dst;
46 static TCGv_i32 cpu_cc_op;
47 static TCGv_i32 cpu_psr;
48 static TCGv cpu_fsr, cpu_pc, cpu_npc;
49 static TCGv cpu_regs[32];
50 static TCGv cpu_y;
51 #ifndef CONFIG_USER_ONLY
52 static TCGv cpu_tbr;
53 #endif
54 static TCGv cpu_cond;
55 #ifdef TARGET_SPARC64
56 static TCGv_i32 cpu_xcc, cpu_fprs;
57 static TCGv cpu_gsr;
58 static TCGv cpu_tick_cmpr, cpu_stick_cmpr, cpu_hstick_cmpr;
59 static TCGv cpu_hintp, cpu_htba, cpu_hver, cpu_ssr, cpu_ver;
60 #else
61 static TCGv cpu_wim;
62 #endif
63 /* Floating point registers */
64 static TCGv_i64 cpu_fpr[TARGET_DPREGS];
65 
66 #include "exec/gen-icount.h"
67 
68 typedef struct DisasContext {
69     target_ulong pc;    /* current Program Counter: integer or DYNAMIC_PC */
70     target_ulong npc;   /* next PC: integer or DYNAMIC_PC or JUMP_PC */
71     target_ulong jump_pc[2]; /* used when JUMP_PC pc value is used */
72     int is_br;
73     int mem_idx;
74     bool fpu_enabled;
75     bool address_mask_32bit;
76     bool singlestep;
77 #ifndef CONFIG_USER_ONLY
78     bool supervisor;
79 #ifdef TARGET_SPARC64
80     bool hypervisor;
81 #endif
82 #endif
83 
84     uint32_t cc_op;  /* current CC operation */
85     struct TranslationBlock *tb;
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 inline bool use_goto_tb(DisasContext *s, target_ulong pc,
342                                target_ulong npc)
343 {
344     if (unlikely(s->singlestep)) {
345         return false;
346     }
347 
348 #ifndef CONFIG_USER_ONLY
349     return (pc & TARGET_PAGE_MASK) == (s->tb->pc & TARGET_PAGE_MASK) &&
350            (npc & TARGET_PAGE_MASK) == (s->tb->pc & TARGET_PAGE_MASK);
351 #else
352     return true;
353 #endif
354 }
355 
356 static inline void gen_goto_tb(DisasContext *s, int tb_num,
357                                target_ulong pc, target_ulong npc)
358 {
359     if (use_goto_tb(s, pc, npc))  {
360         /* jump to same page: we can use a direct jump */
361         tcg_gen_goto_tb(tb_num);
362         tcg_gen_movi_tl(cpu_pc, pc);
363         tcg_gen_movi_tl(cpu_npc, npc);
364         tcg_gen_exit_tb((uintptr_t)s->tb + tb_num);
365     } else {
366         /* jump to another page: currently not optimized */
367         tcg_gen_movi_tl(cpu_pc, pc);
368         tcg_gen_movi_tl(cpu_npc, npc);
369         tcg_gen_exit_tb(0);
370     }
371 }
372 
373 // XXX suboptimal
374 static inline void gen_mov_reg_N(TCGv reg, TCGv_i32 src)
375 {
376     tcg_gen_extu_i32_tl(reg, src);
377     tcg_gen_extract_tl(reg, reg, PSR_NEG_SHIFT, 1);
378 }
379 
380 static inline void gen_mov_reg_Z(TCGv reg, TCGv_i32 src)
381 {
382     tcg_gen_extu_i32_tl(reg, src);
383     tcg_gen_extract_tl(reg, reg, PSR_ZERO_SHIFT, 1);
384 }
385 
386 static inline void gen_mov_reg_V(TCGv reg, TCGv_i32 src)
387 {
388     tcg_gen_extu_i32_tl(reg, src);
389     tcg_gen_extract_tl(reg, reg, PSR_OVF_SHIFT, 1);
390 }
391 
392 static inline void gen_mov_reg_C(TCGv reg, TCGv_i32 src)
393 {
394     tcg_gen_extu_i32_tl(reg, src);
395     tcg_gen_extract_tl(reg, reg, PSR_CARRY_SHIFT, 1);
396 }
397 
398 static inline void gen_op_add_cc(TCGv dst, TCGv src1, TCGv src2)
399 {
400     tcg_gen_mov_tl(cpu_cc_src, src1);
401     tcg_gen_mov_tl(cpu_cc_src2, src2);
402     tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
403     tcg_gen_mov_tl(dst, cpu_cc_dst);
404 }
405 
406 static TCGv_i32 gen_add32_carry32(void)
407 {
408     TCGv_i32 carry_32, cc_src1_32, cc_src2_32;
409 
410     /* Carry is computed from a previous add: (dst < src)  */
411 #if TARGET_LONG_BITS == 64
412     cc_src1_32 = tcg_temp_new_i32();
413     cc_src2_32 = tcg_temp_new_i32();
414     tcg_gen_extrl_i64_i32(cc_src1_32, cpu_cc_dst);
415     tcg_gen_extrl_i64_i32(cc_src2_32, cpu_cc_src);
416 #else
417     cc_src1_32 = cpu_cc_dst;
418     cc_src2_32 = cpu_cc_src;
419 #endif
420 
421     carry_32 = tcg_temp_new_i32();
422     tcg_gen_setcond_i32(TCG_COND_LTU, carry_32, cc_src1_32, cc_src2_32);
423 
424 #if TARGET_LONG_BITS == 64
425     tcg_temp_free_i32(cc_src1_32);
426     tcg_temp_free_i32(cc_src2_32);
427 #endif
428 
429     return carry_32;
430 }
431 
432 static TCGv_i32 gen_sub32_carry32(void)
433 {
434     TCGv_i32 carry_32, cc_src1_32, cc_src2_32;
435 
436     /* Carry is computed from a previous borrow: (src1 < src2)  */
437 #if TARGET_LONG_BITS == 64
438     cc_src1_32 = tcg_temp_new_i32();
439     cc_src2_32 = tcg_temp_new_i32();
440     tcg_gen_extrl_i64_i32(cc_src1_32, cpu_cc_src);
441     tcg_gen_extrl_i64_i32(cc_src2_32, cpu_cc_src2);
442 #else
443     cc_src1_32 = cpu_cc_src;
444     cc_src2_32 = cpu_cc_src2;
445 #endif
446 
447     carry_32 = tcg_temp_new_i32();
448     tcg_gen_setcond_i32(TCG_COND_LTU, carry_32, cc_src1_32, cc_src2_32);
449 
450 #if TARGET_LONG_BITS == 64
451     tcg_temp_free_i32(cc_src1_32);
452     tcg_temp_free_i32(cc_src2_32);
453 #endif
454 
455     return carry_32;
456 }
457 
458 static void gen_op_addx_int(DisasContext *dc, TCGv dst, TCGv src1,
459                             TCGv src2, int update_cc)
460 {
461     TCGv_i32 carry_32;
462     TCGv carry;
463 
464     switch (dc->cc_op) {
465     case CC_OP_DIV:
466     case CC_OP_LOGIC:
467         /* Carry is known to be zero.  Fall back to plain ADD.  */
468         if (update_cc) {
469             gen_op_add_cc(dst, src1, src2);
470         } else {
471             tcg_gen_add_tl(dst, src1, src2);
472         }
473         return;
474 
475     case CC_OP_ADD:
476     case CC_OP_TADD:
477     case CC_OP_TADDTV:
478         if (TARGET_LONG_BITS == 32) {
479             /* We can re-use the host's hardware carry generation by using
480                an ADD2 opcode.  We discard the low part of the output.
481                Ideally we'd combine this operation with the add that
482                generated the carry in the first place.  */
483             carry = tcg_temp_new();
484             tcg_gen_add2_tl(carry, dst, cpu_cc_src, src1, cpu_cc_src2, src2);
485             tcg_temp_free(carry);
486             goto add_done;
487         }
488         carry_32 = gen_add32_carry32();
489         break;
490 
491     case CC_OP_SUB:
492     case CC_OP_TSUB:
493     case CC_OP_TSUBTV:
494         carry_32 = gen_sub32_carry32();
495         break;
496 
497     default:
498         /* We need external help to produce the carry.  */
499         carry_32 = tcg_temp_new_i32();
500         gen_helper_compute_C_icc(carry_32, cpu_env);
501         break;
502     }
503 
504 #if TARGET_LONG_BITS == 64
505     carry = tcg_temp_new();
506     tcg_gen_extu_i32_i64(carry, carry_32);
507 #else
508     carry = carry_32;
509 #endif
510 
511     tcg_gen_add_tl(dst, src1, src2);
512     tcg_gen_add_tl(dst, dst, carry);
513 
514     tcg_temp_free_i32(carry_32);
515 #if TARGET_LONG_BITS == 64
516     tcg_temp_free(carry);
517 #endif
518 
519  add_done:
520     if (update_cc) {
521         tcg_gen_mov_tl(cpu_cc_src, src1);
522         tcg_gen_mov_tl(cpu_cc_src2, src2);
523         tcg_gen_mov_tl(cpu_cc_dst, dst);
524         tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADDX);
525         dc->cc_op = CC_OP_ADDX;
526     }
527 }
528 
529 static inline void gen_op_sub_cc(TCGv dst, TCGv src1, TCGv src2)
530 {
531     tcg_gen_mov_tl(cpu_cc_src, src1);
532     tcg_gen_mov_tl(cpu_cc_src2, src2);
533     tcg_gen_sub_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
534     tcg_gen_mov_tl(dst, cpu_cc_dst);
535 }
536 
537 static void gen_op_subx_int(DisasContext *dc, TCGv dst, TCGv src1,
538                             TCGv src2, int update_cc)
539 {
540     TCGv_i32 carry_32;
541     TCGv carry;
542 
543     switch (dc->cc_op) {
544     case CC_OP_DIV:
545     case CC_OP_LOGIC:
546         /* Carry is known to be zero.  Fall back to plain SUB.  */
547         if (update_cc) {
548             gen_op_sub_cc(dst, src1, src2);
549         } else {
550             tcg_gen_sub_tl(dst, src1, src2);
551         }
552         return;
553 
554     case CC_OP_ADD:
555     case CC_OP_TADD:
556     case CC_OP_TADDTV:
557         carry_32 = gen_add32_carry32();
558         break;
559 
560     case CC_OP_SUB:
561     case CC_OP_TSUB:
562     case CC_OP_TSUBTV:
563         if (TARGET_LONG_BITS == 32) {
564             /* We can re-use the host's hardware carry generation by using
565                a SUB2 opcode.  We discard the low part of the output.
566                Ideally we'd combine this operation with the add that
567                generated the carry in the first place.  */
568             carry = tcg_temp_new();
569             tcg_gen_sub2_tl(carry, dst, cpu_cc_src, src1, cpu_cc_src2, src2);
570             tcg_temp_free(carry);
571             goto sub_done;
572         }
573         carry_32 = gen_sub32_carry32();
574         break;
575 
576     default:
577         /* We need external help to produce the carry.  */
578         carry_32 = tcg_temp_new_i32();
579         gen_helper_compute_C_icc(carry_32, cpu_env);
580         break;
581     }
582 
583 #if TARGET_LONG_BITS == 64
584     carry = tcg_temp_new();
585     tcg_gen_extu_i32_i64(carry, carry_32);
586 #else
587     carry = carry_32;
588 #endif
589 
590     tcg_gen_sub_tl(dst, src1, src2);
591     tcg_gen_sub_tl(dst, dst, carry);
592 
593     tcg_temp_free_i32(carry_32);
594 #if TARGET_LONG_BITS == 64
595     tcg_temp_free(carry);
596 #endif
597 
598  sub_done:
599     if (update_cc) {
600         tcg_gen_mov_tl(cpu_cc_src, src1);
601         tcg_gen_mov_tl(cpu_cc_src2, src2);
602         tcg_gen_mov_tl(cpu_cc_dst, dst);
603         tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUBX);
604         dc->cc_op = CC_OP_SUBX;
605     }
606 }
607 
608 static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv src2)
609 {
610     TCGv r_temp, zero, t0;
611 
612     r_temp = tcg_temp_new();
613     t0 = tcg_temp_new();
614 
615     /* old op:
616     if (!(env->y & 1))
617         T1 = 0;
618     */
619     zero = tcg_const_tl(0);
620     tcg_gen_andi_tl(cpu_cc_src, src1, 0xffffffff);
621     tcg_gen_andi_tl(r_temp, cpu_y, 0x1);
622     tcg_gen_andi_tl(cpu_cc_src2, src2, 0xffffffff);
623     tcg_gen_movcond_tl(TCG_COND_EQ, cpu_cc_src2, r_temp, zero,
624                        zero, cpu_cc_src2);
625     tcg_temp_free(zero);
626 
627     // b2 = T0 & 1;
628     // env->y = (b2 << 31) | (env->y >> 1);
629     tcg_gen_extract_tl(t0, cpu_y, 1, 31);
630     tcg_gen_deposit_tl(cpu_y, t0, cpu_cc_src, 31, 1);
631 
632     // b1 = N ^ V;
633     gen_mov_reg_N(t0, cpu_psr);
634     gen_mov_reg_V(r_temp, cpu_psr);
635     tcg_gen_xor_tl(t0, t0, r_temp);
636     tcg_temp_free(r_temp);
637 
638     // T0 = (b1 << 31) | (T0 >> 1);
639     // src1 = T0;
640     tcg_gen_shli_tl(t0, t0, 31);
641     tcg_gen_shri_tl(cpu_cc_src, cpu_cc_src, 1);
642     tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t0);
643     tcg_temp_free(t0);
644 
645     tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
646 
647     tcg_gen_mov_tl(dst, cpu_cc_dst);
648 }
649 
650 static inline void gen_op_multiply(TCGv dst, TCGv src1, TCGv src2, int sign_ext)
651 {
652 #if TARGET_LONG_BITS == 32
653     if (sign_ext) {
654         tcg_gen_muls2_tl(dst, cpu_y, src1, src2);
655     } else {
656         tcg_gen_mulu2_tl(dst, cpu_y, src1, src2);
657     }
658 #else
659     TCGv t0 = tcg_temp_new_i64();
660     TCGv t1 = tcg_temp_new_i64();
661 
662     if (sign_ext) {
663         tcg_gen_ext32s_i64(t0, src1);
664         tcg_gen_ext32s_i64(t1, src2);
665     } else {
666         tcg_gen_ext32u_i64(t0, src1);
667         tcg_gen_ext32u_i64(t1, src2);
668     }
669 
670     tcg_gen_mul_i64(dst, t0, t1);
671     tcg_temp_free(t0);
672     tcg_temp_free(t1);
673 
674     tcg_gen_shri_i64(cpu_y, dst, 32);
675 #endif
676 }
677 
678 static inline void gen_op_umul(TCGv dst, TCGv src1, TCGv src2)
679 {
680     /* zero-extend truncated operands before multiplication */
681     gen_op_multiply(dst, src1, src2, 0);
682 }
683 
684 static inline void gen_op_smul(TCGv dst, TCGv src1, TCGv src2)
685 {
686     /* sign-extend truncated operands before multiplication */
687     gen_op_multiply(dst, src1, src2, 1);
688 }
689 
690 // 1
691 static inline void gen_op_eval_ba(TCGv dst)
692 {
693     tcg_gen_movi_tl(dst, 1);
694 }
695 
696 // Z
697 static inline void gen_op_eval_be(TCGv dst, TCGv_i32 src)
698 {
699     gen_mov_reg_Z(dst, src);
700 }
701 
702 // Z | (N ^ V)
703 static inline void gen_op_eval_ble(TCGv dst, TCGv_i32 src)
704 {
705     TCGv t0 = tcg_temp_new();
706     gen_mov_reg_N(t0, src);
707     gen_mov_reg_V(dst, src);
708     tcg_gen_xor_tl(dst, dst, t0);
709     gen_mov_reg_Z(t0, src);
710     tcg_gen_or_tl(dst, dst, t0);
711     tcg_temp_free(t0);
712 }
713 
714 // N ^ V
715 static inline void gen_op_eval_bl(TCGv dst, TCGv_i32 src)
716 {
717     TCGv t0 = tcg_temp_new();
718     gen_mov_reg_V(t0, src);
719     gen_mov_reg_N(dst, src);
720     tcg_gen_xor_tl(dst, dst, t0);
721     tcg_temp_free(t0);
722 }
723 
724 // C | Z
725 static inline void gen_op_eval_bleu(TCGv dst, TCGv_i32 src)
726 {
727     TCGv t0 = tcg_temp_new();
728     gen_mov_reg_Z(t0, src);
729     gen_mov_reg_C(dst, src);
730     tcg_gen_or_tl(dst, dst, t0);
731     tcg_temp_free(t0);
732 }
733 
734 // C
735 static inline void gen_op_eval_bcs(TCGv dst, TCGv_i32 src)
736 {
737     gen_mov_reg_C(dst, src);
738 }
739 
740 // V
741 static inline void gen_op_eval_bvs(TCGv dst, TCGv_i32 src)
742 {
743     gen_mov_reg_V(dst, src);
744 }
745 
746 // 0
747 static inline void gen_op_eval_bn(TCGv dst)
748 {
749     tcg_gen_movi_tl(dst, 0);
750 }
751 
752 // N
753 static inline void gen_op_eval_bneg(TCGv dst, TCGv_i32 src)
754 {
755     gen_mov_reg_N(dst, src);
756 }
757 
758 // !Z
759 static inline void gen_op_eval_bne(TCGv dst, TCGv_i32 src)
760 {
761     gen_mov_reg_Z(dst, src);
762     tcg_gen_xori_tl(dst, dst, 0x1);
763 }
764 
765 // !(Z | (N ^ V))
766 static inline void gen_op_eval_bg(TCGv dst, TCGv_i32 src)
767 {
768     gen_op_eval_ble(dst, src);
769     tcg_gen_xori_tl(dst, dst, 0x1);
770 }
771 
772 // !(N ^ V)
773 static inline void gen_op_eval_bge(TCGv dst, TCGv_i32 src)
774 {
775     gen_op_eval_bl(dst, src);
776     tcg_gen_xori_tl(dst, dst, 0x1);
777 }
778 
779 // !(C | Z)
780 static inline void gen_op_eval_bgu(TCGv dst, TCGv_i32 src)
781 {
782     gen_op_eval_bleu(dst, src);
783     tcg_gen_xori_tl(dst, dst, 0x1);
784 }
785 
786 // !C
787 static inline void gen_op_eval_bcc(TCGv dst, TCGv_i32 src)
788 {
789     gen_mov_reg_C(dst, src);
790     tcg_gen_xori_tl(dst, dst, 0x1);
791 }
792 
793 // !N
794 static inline void gen_op_eval_bpos(TCGv dst, TCGv_i32 src)
795 {
796     gen_mov_reg_N(dst, src);
797     tcg_gen_xori_tl(dst, dst, 0x1);
798 }
799 
800 // !V
801 static inline void gen_op_eval_bvc(TCGv dst, TCGv_i32 src)
802 {
803     gen_mov_reg_V(dst, src);
804     tcg_gen_xori_tl(dst, dst, 0x1);
805 }
806 
807 /*
808   FPSR bit field FCC1 | FCC0:
809    0 =
810    1 <
811    2 >
812    3 unordered
813 */
814 static inline void gen_mov_reg_FCC0(TCGv reg, TCGv src,
815                                     unsigned int fcc_offset)
816 {
817     tcg_gen_shri_tl(reg, src, FSR_FCC0_SHIFT + fcc_offset);
818     tcg_gen_andi_tl(reg, reg, 0x1);
819 }
820 
821 static inline void gen_mov_reg_FCC1(TCGv reg, TCGv src,
822                                     unsigned int fcc_offset)
823 {
824     tcg_gen_shri_tl(reg, src, FSR_FCC1_SHIFT + fcc_offset);
825     tcg_gen_andi_tl(reg, reg, 0x1);
826 }
827 
828 // !0: FCC0 | FCC1
829 static inline void gen_op_eval_fbne(TCGv dst, TCGv src,
830                                     unsigned int fcc_offset)
831 {
832     TCGv t0 = tcg_temp_new();
833     gen_mov_reg_FCC0(dst, src, fcc_offset);
834     gen_mov_reg_FCC1(t0, src, fcc_offset);
835     tcg_gen_or_tl(dst, dst, t0);
836     tcg_temp_free(t0);
837 }
838 
839 // 1 or 2: FCC0 ^ FCC1
840 static inline void gen_op_eval_fblg(TCGv dst, TCGv src,
841                                     unsigned int fcc_offset)
842 {
843     TCGv t0 = tcg_temp_new();
844     gen_mov_reg_FCC0(dst, src, fcc_offset);
845     gen_mov_reg_FCC1(t0, src, fcc_offset);
846     tcg_gen_xor_tl(dst, dst, t0);
847     tcg_temp_free(t0);
848 }
849 
850 // 1 or 3: FCC0
851 static inline void gen_op_eval_fbul(TCGv dst, TCGv src,
852                                     unsigned int fcc_offset)
853 {
854     gen_mov_reg_FCC0(dst, src, fcc_offset);
855 }
856 
857 // 1: FCC0 & !FCC1
858 static inline void gen_op_eval_fbl(TCGv dst, TCGv src,
859                                     unsigned int fcc_offset)
860 {
861     TCGv t0 = tcg_temp_new();
862     gen_mov_reg_FCC0(dst, src, fcc_offset);
863     gen_mov_reg_FCC1(t0, src, fcc_offset);
864     tcg_gen_andc_tl(dst, dst, t0);
865     tcg_temp_free(t0);
866 }
867 
868 // 2 or 3: FCC1
869 static inline void gen_op_eval_fbug(TCGv dst, TCGv src,
870                                     unsigned int fcc_offset)
871 {
872     gen_mov_reg_FCC1(dst, src, fcc_offset);
873 }
874 
875 // 2: !FCC0 & FCC1
876 static inline void gen_op_eval_fbg(TCGv dst, TCGv src,
877                                     unsigned int fcc_offset)
878 {
879     TCGv t0 = tcg_temp_new();
880     gen_mov_reg_FCC0(dst, src, fcc_offset);
881     gen_mov_reg_FCC1(t0, src, fcc_offset);
882     tcg_gen_andc_tl(dst, t0, dst);
883     tcg_temp_free(t0);
884 }
885 
886 // 3: FCC0 & FCC1
887 static inline void gen_op_eval_fbu(TCGv dst, TCGv src,
888                                     unsigned int fcc_offset)
889 {
890     TCGv t0 = tcg_temp_new();
891     gen_mov_reg_FCC0(dst, src, fcc_offset);
892     gen_mov_reg_FCC1(t0, src, fcc_offset);
893     tcg_gen_and_tl(dst, dst, t0);
894     tcg_temp_free(t0);
895 }
896 
897 // 0: !(FCC0 | FCC1)
898 static inline void gen_op_eval_fbe(TCGv dst, TCGv src,
899                                     unsigned int fcc_offset)
900 {
901     TCGv t0 = tcg_temp_new();
902     gen_mov_reg_FCC0(dst, src, fcc_offset);
903     gen_mov_reg_FCC1(t0, src, fcc_offset);
904     tcg_gen_or_tl(dst, dst, t0);
905     tcg_gen_xori_tl(dst, dst, 0x1);
906     tcg_temp_free(t0);
907 }
908 
909 // 0 or 3: !(FCC0 ^ FCC1)
910 static inline void gen_op_eval_fbue(TCGv dst, TCGv src,
911                                     unsigned int fcc_offset)
912 {
913     TCGv t0 = tcg_temp_new();
914     gen_mov_reg_FCC0(dst, src, fcc_offset);
915     gen_mov_reg_FCC1(t0, src, fcc_offset);
916     tcg_gen_xor_tl(dst, dst, t0);
917     tcg_gen_xori_tl(dst, dst, 0x1);
918     tcg_temp_free(t0);
919 }
920 
921 // 0 or 2: !FCC0
922 static inline void gen_op_eval_fbge(TCGv dst, TCGv src,
923                                     unsigned int fcc_offset)
924 {
925     gen_mov_reg_FCC0(dst, src, fcc_offset);
926     tcg_gen_xori_tl(dst, dst, 0x1);
927 }
928 
929 // !1: !(FCC0 & !FCC1)
930 static inline void gen_op_eval_fbuge(TCGv dst, TCGv src,
931                                     unsigned int fcc_offset)
932 {
933     TCGv t0 = tcg_temp_new();
934     gen_mov_reg_FCC0(dst, src, fcc_offset);
935     gen_mov_reg_FCC1(t0, src, fcc_offset);
936     tcg_gen_andc_tl(dst, dst, t0);
937     tcg_gen_xori_tl(dst, dst, 0x1);
938     tcg_temp_free(t0);
939 }
940 
941 // 0 or 1: !FCC1
942 static inline void gen_op_eval_fble(TCGv dst, TCGv src,
943                                     unsigned int fcc_offset)
944 {
945     gen_mov_reg_FCC1(dst, src, fcc_offset);
946     tcg_gen_xori_tl(dst, dst, 0x1);
947 }
948 
949 // !2: !(!FCC0 & FCC1)
950 static inline void gen_op_eval_fbule(TCGv dst, TCGv src,
951                                     unsigned int fcc_offset)
952 {
953     TCGv t0 = tcg_temp_new();
954     gen_mov_reg_FCC0(dst, src, fcc_offset);
955     gen_mov_reg_FCC1(t0, src, fcc_offset);
956     tcg_gen_andc_tl(dst, t0, dst);
957     tcg_gen_xori_tl(dst, dst, 0x1);
958     tcg_temp_free(t0);
959 }
960 
961 // !3: !(FCC0 & FCC1)
962 static inline void gen_op_eval_fbo(TCGv dst, TCGv src,
963                                     unsigned int fcc_offset)
964 {
965     TCGv t0 = tcg_temp_new();
966     gen_mov_reg_FCC0(dst, src, fcc_offset);
967     gen_mov_reg_FCC1(t0, src, fcc_offset);
968     tcg_gen_and_tl(dst, dst, t0);
969     tcg_gen_xori_tl(dst, dst, 0x1);
970     tcg_temp_free(t0);
971 }
972 
973 static inline void gen_branch2(DisasContext *dc, target_ulong pc1,
974                                target_ulong pc2, TCGv r_cond)
975 {
976     TCGLabel *l1 = gen_new_label();
977 
978     tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, 0, l1);
979 
980     gen_goto_tb(dc, 0, pc1, pc1 + 4);
981 
982     gen_set_label(l1);
983     gen_goto_tb(dc, 1, pc2, pc2 + 4);
984 }
985 
986 static void gen_branch_a(DisasContext *dc, target_ulong pc1)
987 {
988     TCGLabel *l1 = gen_new_label();
989     target_ulong npc = dc->npc;
990 
991     tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cond, 0, l1);
992 
993     gen_goto_tb(dc, 0, npc, pc1);
994 
995     gen_set_label(l1);
996     gen_goto_tb(dc, 1, npc + 4, npc + 8);
997 
998     dc->is_br = 1;
999 }
1000 
1001 static void gen_branch_n(DisasContext *dc, target_ulong pc1)
1002 {
1003     target_ulong npc = dc->npc;
1004 
1005     if (likely(npc != DYNAMIC_PC)) {
1006         dc->pc = npc;
1007         dc->jump_pc[0] = pc1;
1008         dc->jump_pc[1] = npc + 4;
1009         dc->npc = JUMP_PC;
1010     } else {
1011         TCGv t, z;
1012 
1013         tcg_gen_mov_tl(cpu_pc, cpu_npc);
1014 
1015         tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
1016         t = tcg_const_tl(pc1);
1017         z = tcg_const_tl(0);
1018         tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc, cpu_cond, z, t, cpu_npc);
1019         tcg_temp_free(t);
1020         tcg_temp_free(z);
1021 
1022         dc->pc = DYNAMIC_PC;
1023     }
1024 }
1025 
1026 static inline void gen_generic_branch(DisasContext *dc)
1027 {
1028     TCGv npc0 = tcg_const_tl(dc->jump_pc[0]);
1029     TCGv npc1 = tcg_const_tl(dc->jump_pc[1]);
1030     TCGv zero = tcg_const_tl(0);
1031 
1032     tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc, cpu_cond, zero, npc0, npc1);
1033 
1034     tcg_temp_free(npc0);
1035     tcg_temp_free(npc1);
1036     tcg_temp_free(zero);
1037 }
1038 
1039 /* call this function before using the condition register as it may
1040    have been set for a jump */
1041 static inline void flush_cond(DisasContext *dc)
1042 {
1043     if (dc->npc == JUMP_PC) {
1044         gen_generic_branch(dc);
1045         dc->npc = DYNAMIC_PC;
1046     }
1047 }
1048 
1049 static inline void save_npc(DisasContext *dc)
1050 {
1051     if (dc->npc == JUMP_PC) {
1052         gen_generic_branch(dc);
1053         dc->npc = DYNAMIC_PC;
1054     } else if (dc->npc != DYNAMIC_PC) {
1055         tcg_gen_movi_tl(cpu_npc, dc->npc);
1056     }
1057 }
1058 
1059 static inline void update_psr(DisasContext *dc)
1060 {
1061     if (dc->cc_op != CC_OP_FLAGS) {
1062         dc->cc_op = CC_OP_FLAGS;
1063         gen_helper_compute_psr(cpu_env);
1064     }
1065 }
1066 
1067 static inline void save_state(DisasContext *dc)
1068 {
1069     tcg_gen_movi_tl(cpu_pc, dc->pc);
1070     save_npc(dc);
1071 }
1072 
1073 static void gen_exception(DisasContext *dc, int which)
1074 {
1075     TCGv_i32 t;
1076 
1077     save_state(dc);
1078     t = tcg_const_i32(which);
1079     gen_helper_raise_exception(cpu_env, t);
1080     tcg_temp_free_i32(t);
1081     dc->is_br = 1;
1082 }
1083 
1084 static void gen_check_align(TCGv addr, int mask)
1085 {
1086     TCGv_i32 r_mask = tcg_const_i32(mask);
1087     gen_helper_check_align(cpu_env, addr, r_mask);
1088     tcg_temp_free_i32(r_mask);
1089 }
1090 
1091 static inline void gen_mov_pc_npc(DisasContext *dc)
1092 {
1093     if (dc->npc == JUMP_PC) {
1094         gen_generic_branch(dc);
1095         tcg_gen_mov_tl(cpu_pc, cpu_npc);
1096         dc->pc = DYNAMIC_PC;
1097     } else if (dc->npc == DYNAMIC_PC) {
1098         tcg_gen_mov_tl(cpu_pc, cpu_npc);
1099         dc->pc = DYNAMIC_PC;
1100     } else {
1101         dc->pc = dc->npc;
1102     }
1103 }
1104 
1105 static inline void gen_op_next_insn(void)
1106 {
1107     tcg_gen_mov_tl(cpu_pc, cpu_npc);
1108     tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
1109 }
1110 
1111 static void free_compare(DisasCompare *cmp)
1112 {
1113     if (!cmp->g1) {
1114         tcg_temp_free(cmp->c1);
1115     }
1116     if (!cmp->g2) {
1117         tcg_temp_free(cmp->c2);
1118     }
1119 }
1120 
1121 static void gen_compare(DisasCompare *cmp, bool xcc, unsigned int cond,
1122                         DisasContext *dc)
1123 {
1124     static int subcc_cond[16] = {
1125         TCG_COND_NEVER,
1126         TCG_COND_EQ,
1127         TCG_COND_LE,
1128         TCG_COND_LT,
1129         TCG_COND_LEU,
1130         TCG_COND_LTU,
1131         -1, /* neg */
1132         -1, /* overflow */
1133         TCG_COND_ALWAYS,
1134         TCG_COND_NE,
1135         TCG_COND_GT,
1136         TCG_COND_GE,
1137         TCG_COND_GTU,
1138         TCG_COND_GEU,
1139         -1, /* pos */
1140         -1, /* no overflow */
1141     };
1142 
1143     static int logic_cond[16] = {
1144         TCG_COND_NEVER,
1145         TCG_COND_EQ,     /* eq:  Z */
1146         TCG_COND_LE,     /* le:  Z | (N ^ V) -> Z | N */
1147         TCG_COND_LT,     /* lt:  N ^ V -> N */
1148         TCG_COND_EQ,     /* leu: C | Z -> Z */
1149         TCG_COND_NEVER,  /* ltu: C -> 0 */
1150         TCG_COND_LT,     /* neg: N */
1151         TCG_COND_NEVER,  /* vs:  V -> 0 */
1152         TCG_COND_ALWAYS,
1153         TCG_COND_NE,     /* ne:  !Z */
1154         TCG_COND_GT,     /* gt:  !(Z | (N ^ V)) -> !(Z | N) */
1155         TCG_COND_GE,     /* ge:  !(N ^ V) -> !N */
1156         TCG_COND_NE,     /* gtu: !(C | Z) -> !Z */
1157         TCG_COND_ALWAYS, /* geu: !C -> 1 */
1158         TCG_COND_GE,     /* pos: !N */
1159         TCG_COND_ALWAYS, /* vc:  !V -> 1 */
1160     };
1161 
1162     TCGv_i32 r_src;
1163     TCGv r_dst;
1164 
1165 #ifdef TARGET_SPARC64
1166     if (xcc) {
1167         r_src = cpu_xcc;
1168     } else {
1169         r_src = cpu_psr;
1170     }
1171 #else
1172     r_src = cpu_psr;
1173 #endif
1174 
1175     switch (dc->cc_op) {
1176     case CC_OP_LOGIC:
1177         cmp->cond = logic_cond[cond];
1178     do_compare_dst_0:
1179         cmp->is_bool = false;
1180         cmp->g2 = false;
1181         cmp->c2 = tcg_const_tl(0);
1182 #ifdef TARGET_SPARC64
1183         if (!xcc) {
1184             cmp->g1 = false;
1185             cmp->c1 = tcg_temp_new();
1186             tcg_gen_ext32s_tl(cmp->c1, cpu_cc_dst);
1187             break;
1188         }
1189 #endif
1190         cmp->g1 = true;
1191         cmp->c1 = cpu_cc_dst;
1192         break;
1193 
1194     case CC_OP_SUB:
1195         switch (cond) {
1196         case 6:  /* neg */
1197         case 14: /* pos */
1198             cmp->cond = (cond == 6 ? TCG_COND_LT : TCG_COND_GE);
1199             goto do_compare_dst_0;
1200 
1201         case 7: /* overflow */
1202         case 15: /* !overflow */
1203             goto do_dynamic;
1204 
1205         default:
1206             cmp->cond = subcc_cond[cond];
1207             cmp->is_bool = false;
1208 #ifdef TARGET_SPARC64
1209             if (!xcc) {
1210                 /* Note that sign-extension works for unsigned compares as
1211                    long as both operands are sign-extended.  */
1212                 cmp->g1 = cmp->g2 = false;
1213                 cmp->c1 = tcg_temp_new();
1214                 cmp->c2 = tcg_temp_new();
1215                 tcg_gen_ext32s_tl(cmp->c1, cpu_cc_src);
1216                 tcg_gen_ext32s_tl(cmp->c2, cpu_cc_src2);
1217                 break;
1218             }
1219 #endif
1220             cmp->g1 = cmp->g2 = true;
1221             cmp->c1 = cpu_cc_src;
1222             cmp->c2 = cpu_cc_src2;
1223             break;
1224         }
1225         break;
1226 
1227     default:
1228     do_dynamic:
1229         gen_helper_compute_psr(cpu_env);
1230         dc->cc_op = CC_OP_FLAGS;
1231         /* FALLTHRU */
1232 
1233     case CC_OP_FLAGS:
1234         /* We're going to generate a boolean result.  */
1235         cmp->cond = TCG_COND_NE;
1236         cmp->is_bool = true;
1237         cmp->g1 = cmp->g2 = false;
1238         cmp->c1 = r_dst = tcg_temp_new();
1239         cmp->c2 = tcg_const_tl(0);
1240 
1241         switch (cond) {
1242         case 0x0:
1243             gen_op_eval_bn(r_dst);
1244             break;
1245         case 0x1:
1246             gen_op_eval_be(r_dst, r_src);
1247             break;
1248         case 0x2:
1249             gen_op_eval_ble(r_dst, r_src);
1250             break;
1251         case 0x3:
1252             gen_op_eval_bl(r_dst, r_src);
1253             break;
1254         case 0x4:
1255             gen_op_eval_bleu(r_dst, r_src);
1256             break;
1257         case 0x5:
1258             gen_op_eval_bcs(r_dst, r_src);
1259             break;
1260         case 0x6:
1261             gen_op_eval_bneg(r_dst, r_src);
1262             break;
1263         case 0x7:
1264             gen_op_eval_bvs(r_dst, r_src);
1265             break;
1266         case 0x8:
1267             gen_op_eval_ba(r_dst);
1268             break;
1269         case 0x9:
1270             gen_op_eval_bne(r_dst, r_src);
1271             break;
1272         case 0xa:
1273             gen_op_eval_bg(r_dst, r_src);
1274             break;
1275         case 0xb:
1276             gen_op_eval_bge(r_dst, r_src);
1277             break;
1278         case 0xc:
1279             gen_op_eval_bgu(r_dst, r_src);
1280             break;
1281         case 0xd:
1282             gen_op_eval_bcc(r_dst, r_src);
1283             break;
1284         case 0xe:
1285             gen_op_eval_bpos(r_dst, r_src);
1286             break;
1287         case 0xf:
1288             gen_op_eval_bvc(r_dst, r_src);
1289             break;
1290         }
1291         break;
1292     }
1293 }
1294 
1295 static void gen_fcompare(DisasCompare *cmp, unsigned int cc, unsigned int cond)
1296 {
1297     unsigned int offset;
1298     TCGv r_dst;
1299 
1300     /* For now we still generate a straight boolean result.  */
1301     cmp->cond = TCG_COND_NE;
1302     cmp->is_bool = true;
1303     cmp->g1 = cmp->g2 = false;
1304     cmp->c1 = r_dst = tcg_temp_new();
1305     cmp->c2 = tcg_const_tl(0);
1306 
1307     switch (cc) {
1308     default:
1309     case 0x0:
1310         offset = 0;
1311         break;
1312     case 0x1:
1313         offset = 32 - 10;
1314         break;
1315     case 0x2:
1316         offset = 34 - 10;
1317         break;
1318     case 0x3:
1319         offset = 36 - 10;
1320         break;
1321     }
1322 
1323     switch (cond) {
1324     case 0x0:
1325         gen_op_eval_bn(r_dst);
1326         break;
1327     case 0x1:
1328         gen_op_eval_fbne(r_dst, cpu_fsr, offset);
1329         break;
1330     case 0x2:
1331         gen_op_eval_fblg(r_dst, cpu_fsr, offset);
1332         break;
1333     case 0x3:
1334         gen_op_eval_fbul(r_dst, cpu_fsr, offset);
1335         break;
1336     case 0x4:
1337         gen_op_eval_fbl(r_dst, cpu_fsr, offset);
1338         break;
1339     case 0x5:
1340         gen_op_eval_fbug(r_dst, cpu_fsr, offset);
1341         break;
1342     case 0x6:
1343         gen_op_eval_fbg(r_dst, cpu_fsr, offset);
1344         break;
1345     case 0x7:
1346         gen_op_eval_fbu(r_dst, cpu_fsr, offset);
1347         break;
1348     case 0x8:
1349         gen_op_eval_ba(r_dst);
1350         break;
1351     case 0x9:
1352         gen_op_eval_fbe(r_dst, cpu_fsr, offset);
1353         break;
1354     case 0xa:
1355         gen_op_eval_fbue(r_dst, cpu_fsr, offset);
1356         break;
1357     case 0xb:
1358         gen_op_eval_fbge(r_dst, cpu_fsr, offset);
1359         break;
1360     case 0xc:
1361         gen_op_eval_fbuge(r_dst, cpu_fsr, offset);
1362         break;
1363     case 0xd:
1364         gen_op_eval_fble(r_dst, cpu_fsr, offset);
1365         break;
1366     case 0xe:
1367         gen_op_eval_fbule(r_dst, cpu_fsr, offset);
1368         break;
1369     case 0xf:
1370         gen_op_eval_fbo(r_dst, cpu_fsr, offset);
1371         break;
1372     }
1373 }
1374 
1375 static void gen_cond(TCGv r_dst, unsigned int cc, unsigned int cond,
1376                      DisasContext *dc)
1377 {
1378     DisasCompare cmp;
1379     gen_compare(&cmp, cc, cond, dc);
1380 
1381     /* The interface is to return a boolean in r_dst.  */
1382     if (cmp.is_bool) {
1383         tcg_gen_mov_tl(r_dst, cmp.c1);
1384     } else {
1385         tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1386     }
1387 
1388     free_compare(&cmp);
1389 }
1390 
1391 static void gen_fcond(TCGv r_dst, unsigned int cc, unsigned int cond)
1392 {
1393     DisasCompare cmp;
1394     gen_fcompare(&cmp, cc, cond);
1395 
1396     /* The interface is to return a boolean in r_dst.  */
1397     if (cmp.is_bool) {
1398         tcg_gen_mov_tl(r_dst, cmp.c1);
1399     } else {
1400         tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1401     }
1402 
1403     free_compare(&cmp);
1404 }
1405 
1406 #ifdef TARGET_SPARC64
1407 // Inverted logic
1408 static const int gen_tcg_cond_reg[8] = {
1409     -1,
1410     TCG_COND_NE,
1411     TCG_COND_GT,
1412     TCG_COND_GE,
1413     -1,
1414     TCG_COND_EQ,
1415     TCG_COND_LE,
1416     TCG_COND_LT,
1417 };
1418 
1419 static void gen_compare_reg(DisasCompare *cmp, int cond, TCGv r_src)
1420 {
1421     cmp->cond = tcg_invert_cond(gen_tcg_cond_reg[cond]);
1422     cmp->is_bool = false;
1423     cmp->g1 = true;
1424     cmp->g2 = false;
1425     cmp->c1 = r_src;
1426     cmp->c2 = tcg_const_tl(0);
1427 }
1428 
1429 static inline void gen_cond_reg(TCGv r_dst, int cond, TCGv r_src)
1430 {
1431     DisasCompare cmp;
1432     gen_compare_reg(&cmp, cond, r_src);
1433 
1434     /* The interface is to return a boolean in r_dst.  */
1435     tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1436 
1437     free_compare(&cmp);
1438 }
1439 #endif
1440 
1441 static void do_branch(DisasContext *dc, int32_t offset, uint32_t insn, int cc)
1442 {
1443     unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
1444     target_ulong target = dc->pc + offset;
1445 
1446 #ifdef TARGET_SPARC64
1447     if (unlikely(AM_CHECK(dc))) {
1448         target &= 0xffffffffULL;
1449     }
1450 #endif
1451     if (cond == 0x0) {
1452         /* unconditional not taken */
1453         if (a) {
1454             dc->pc = dc->npc + 4;
1455             dc->npc = dc->pc + 4;
1456         } else {
1457             dc->pc = dc->npc;
1458             dc->npc = dc->pc + 4;
1459         }
1460     } else if (cond == 0x8) {
1461         /* unconditional taken */
1462         if (a) {
1463             dc->pc = target;
1464             dc->npc = dc->pc + 4;
1465         } else {
1466             dc->pc = dc->npc;
1467             dc->npc = target;
1468             tcg_gen_mov_tl(cpu_pc, cpu_npc);
1469         }
1470     } else {
1471         flush_cond(dc);
1472         gen_cond(cpu_cond, cc, cond, dc);
1473         if (a) {
1474             gen_branch_a(dc, target);
1475         } else {
1476             gen_branch_n(dc, target);
1477         }
1478     }
1479 }
1480 
1481 static void do_fbranch(DisasContext *dc, int32_t offset, uint32_t insn, int cc)
1482 {
1483     unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
1484     target_ulong target = dc->pc + offset;
1485 
1486 #ifdef TARGET_SPARC64
1487     if (unlikely(AM_CHECK(dc))) {
1488         target &= 0xffffffffULL;
1489     }
1490 #endif
1491     if (cond == 0x0) {
1492         /* unconditional not taken */
1493         if (a) {
1494             dc->pc = dc->npc + 4;
1495             dc->npc = dc->pc + 4;
1496         } else {
1497             dc->pc = dc->npc;
1498             dc->npc = dc->pc + 4;
1499         }
1500     } else if (cond == 0x8) {
1501         /* unconditional taken */
1502         if (a) {
1503             dc->pc = target;
1504             dc->npc = dc->pc + 4;
1505         } else {
1506             dc->pc = dc->npc;
1507             dc->npc = target;
1508             tcg_gen_mov_tl(cpu_pc, cpu_npc);
1509         }
1510     } else {
1511         flush_cond(dc);
1512         gen_fcond(cpu_cond, cc, cond);
1513         if (a) {
1514             gen_branch_a(dc, target);
1515         } else {
1516             gen_branch_n(dc, target);
1517         }
1518     }
1519 }
1520 
1521 #ifdef TARGET_SPARC64
1522 static void do_branch_reg(DisasContext *dc, int32_t offset, uint32_t insn,
1523                           TCGv r_reg)
1524 {
1525     unsigned int cond = GET_FIELD_SP(insn, 25, 27), a = (insn & (1 << 29));
1526     target_ulong target = dc->pc + offset;
1527 
1528     if (unlikely(AM_CHECK(dc))) {
1529         target &= 0xffffffffULL;
1530     }
1531     flush_cond(dc);
1532     gen_cond_reg(cpu_cond, cond, r_reg);
1533     if (a) {
1534         gen_branch_a(dc, target);
1535     } else {
1536         gen_branch_n(dc, target);
1537     }
1538 }
1539 
1540 static inline void gen_op_fcmps(int fccno, TCGv_i32 r_rs1, TCGv_i32 r_rs2)
1541 {
1542     switch (fccno) {
1543     case 0:
1544         gen_helper_fcmps(cpu_fsr, cpu_env, r_rs1, r_rs2);
1545         break;
1546     case 1:
1547         gen_helper_fcmps_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1548         break;
1549     case 2:
1550         gen_helper_fcmps_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1551         break;
1552     case 3:
1553         gen_helper_fcmps_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1554         break;
1555     }
1556 }
1557 
1558 static inline void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1559 {
1560     switch (fccno) {
1561     case 0:
1562         gen_helper_fcmpd(cpu_fsr, cpu_env, r_rs1, r_rs2);
1563         break;
1564     case 1:
1565         gen_helper_fcmpd_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1566         break;
1567     case 2:
1568         gen_helper_fcmpd_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1569         break;
1570     case 3:
1571         gen_helper_fcmpd_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1572         break;
1573     }
1574 }
1575 
1576 static inline void gen_op_fcmpq(int fccno)
1577 {
1578     switch (fccno) {
1579     case 0:
1580         gen_helper_fcmpq(cpu_fsr, cpu_env);
1581         break;
1582     case 1:
1583         gen_helper_fcmpq_fcc1(cpu_fsr, cpu_env);
1584         break;
1585     case 2:
1586         gen_helper_fcmpq_fcc2(cpu_fsr, cpu_env);
1587         break;
1588     case 3:
1589         gen_helper_fcmpq_fcc3(cpu_fsr, cpu_env);
1590         break;
1591     }
1592 }
1593 
1594 static inline void gen_op_fcmpes(int fccno, TCGv_i32 r_rs1, TCGv_i32 r_rs2)
1595 {
1596     switch (fccno) {
1597     case 0:
1598         gen_helper_fcmpes(cpu_fsr, cpu_env, r_rs1, r_rs2);
1599         break;
1600     case 1:
1601         gen_helper_fcmpes_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1602         break;
1603     case 2:
1604         gen_helper_fcmpes_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1605         break;
1606     case 3:
1607         gen_helper_fcmpes_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1608         break;
1609     }
1610 }
1611 
1612 static inline void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1613 {
1614     switch (fccno) {
1615     case 0:
1616         gen_helper_fcmped(cpu_fsr, cpu_env, r_rs1, r_rs2);
1617         break;
1618     case 1:
1619         gen_helper_fcmped_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1620         break;
1621     case 2:
1622         gen_helper_fcmped_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1623         break;
1624     case 3:
1625         gen_helper_fcmped_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1626         break;
1627     }
1628 }
1629 
1630 static inline void gen_op_fcmpeq(int fccno)
1631 {
1632     switch (fccno) {
1633     case 0:
1634         gen_helper_fcmpeq(cpu_fsr, cpu_env);
1635         break;
1636     case 1:
1637         gen_helper_fcmpeq_fcc1(cpu_fsr, cpu_env);
1638         break;
1639     case 2:
1640         gen_helper_fcmpeq_fcc2(cpu_fsr, cpu_env);
1641         break;
1642     case 3:
1643         gen_helper_fcmpeq_fcc3(cpu_fsr, cpu_env);
1644         break;
1645     }
1646 }
1647 
1648 #else
1649 
1650 static inline void gen_op_fcmps(int fccno, TCGv r_rs1, TCGv r_rs2)
1651 {
1652     gen_helper_fcmps(cpu_fsr, cpu_env, r_rs1, r_rs2);
1653 }
1654 
1655 static inline void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1656 {
1657     gen_helper_fcmpd(cpu_fsr, cpu_env, r_rs1, r_rs2);
1658 }
1659 
1660 static inline void gen_op_fcmpq(int fccno)
1661 {
1662     gen_helper_fcmpq(cpu_fsr, cpu_env);
1663 }
1664 
1665 static inline void gen_op_fcmpes(int fccno, TCGv r_rs1, TCGv r_rs2)
1666 {
1667     gen_helper_fcmpes(cpu_fsr, cpu_env, r_rs1, r_rs2);
1668 }
1669 
1670 static inline void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1671 {
1672     gen_helper_fcmped(cpu_fsr, cpu_env, r_rs1, r_rs2);
1673 }
1674 
1675 static inline void gen_op_fcmpeq(int fccno)
1676 {
1677     gen_helper_fcmpeq(cpu_fsr, cpu_env);
1678 }
1679 #endif
1680 
1681 static void gen_op_fpexception_im(DisasContext *dc, int fsr_flags)
1682 {
1683     tcg_gen_andi_tl(cpu_fsr, cpu_fsr, FSR_FTT_NMASK);
1684     tcg_gen_ori_tl(cpu_fsr, cpu_fsr, fsr_flags);
1685     gen_exception(dc, TT_FP_EXCP);
1686 }
1687 
1688 static int gen_trap_ifnofpu(DisasContext *dc)
1689 {
1690 #if !defined(CONFIG_USER_ONLY)
1691     if (!dc->fpu_enabled) {
1692         gen_exception(dc, TT_NFPU_INSN);
1693         return 1;
1694     }
1695 #endif
1696     return 0;
1697 }
1698 
1699 static inline void gen_op_clear_ieee_excp_and_FTT(void)
1700 {
1701     tcg_gen_andi_tl(cpu_fsr, cpu_fsr, FSR_FTT_CEXC_NMASK);
1702 }
1703 
1704 static inline void gen_fop_FF(DisasContext *dc, int rd, int rs,
1705                               void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32))
1706 {
1707     TCGv_i32 dst, src;
1708 
1709     src = gen_load_fpr_F(dc, rs);
1710     dst = gen_dest_fpr_F(dc);
1711 
1712     gen(dst, cpu_env, src);
1713     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1714 
1715     gen_store_fpr_F(dc, rd, dst);
1716 }
1717 
1718 static inline void gen_ne_fop_FF(DisasContext *dc, int rd, int rs,
1719                                  void (*gen)(TCGv_i32, TCGv_i32))
1720 {
1721     TCGv_i32 dst, src;
1722 
1723     src = gen_load_fpr_F(dc, rs);
1724     dst = gen_dest_fpr_F(dc);
1725 
1726     gen(dst, src);
1727 
1728     gen_store_fpr_F(dc, rd, dst);
1729 }
1730 
1731 static inline void gen_fop_FFF(DisasContext *dc, int rd, int rs1, int rs2,
1732                         void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32, TCGv_i32))
1733 {
1734     TCGv_i32 dst, src1, src2;
1735 
1736     src1 = gen_load_fpr_F(dc, rs1);
1737     src2 = gen_load_fpr_F(dc, rs2);
1738     dst = gen_dest_fpr_F(dc);
1739 
1740     gen(dst, cpu_env, src1, src2);
1741     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1742 
1743     gen_store_fpr_F(dc, rd, dst);
1744 }
1745 
1746 #ifdef TARGET_SPARC64
1747 static inline void gen_ne_fop_FFF(DisasContext *dc, int rd, int rs1, int rs2,
1748                                   void (*gen)(TCGv_i32, TCGv_i32, TCGv_i32))
1749 {
1750     TCGv_i32 dst, src1, src2;
1751 
1752     src1 = gen_load_fpr_F(dc, rs1);
1753     src2 = gen_load_fpr_F(dc, rs2);
1754     dst = gen_dest_fpr_F(dc);
1755 
1756     gen(dst, src1, src2);
1757 
1758     gen_store_fpr_F(dc, rd, dst);
1759 }
1760 #endif
1761 
1762 static inline void gen_fop_DD(DisasContext *dc, int rd, int rs,
1763                               void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i64))
1764 {
1765     TCGv_i64 dst, src;
1766 
1767     src = gen_load_fpr_D(dc, rs);
1768     dst = gen_dest_fpr_D(dc, rd);
1769 
1770     gen(dst, cpu_env, src);
1771     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1772 
1773     gen_store_fpr_D(dc, rd, dst);
1774 }
1775 
1776 #ifdef TARGET_SPARC64
1777 static inline void gen_ne_fop_DD(DisasContext *dc, int rd, int rs,
1778                                  void (*gen)(TCGv_i64, TCGv_i64))
1779 {
1780     TCGv_i64 dst, src;
1781 
1782     src = gen_load_fpr_D(dc, rs);
1783     dst = gen_dest_fpr_D(dc, rd);
1784 
1785     gen(dst, src);
1786 
1787     gen_store_fpr_D(dc, rd, dst);
1788 }
1789 #endif
1790 
1791 static inline void gen_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1792                         void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i64, TCGv_i64))
1793 {
1794     TCGv_i64 dst, src1, src2;
1795 
1796     src1 = gen_load_fpr_D(dc, rs1);
1797     src2 = gen_load_fpr_D(dc, rs2);
1798     dst = gen_dest_fpr_D(dc, rd);
1799 
1800     gen(dst, cpu_env, src1, src2);
1801     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1802 
1803     gen_store_fpr_D(dc, rd, dst);
1804 }
1805 
1806 #ifdef TARGET_SPARC64
1807 static inline void gen_ne_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1808                                   void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64))
1809 {
1810     TCGv_i64 dst, src1, src2;
1811 
1812     src1 = gen_load_fpr_D(dc, rs1);
1813     src2 = gen_load_fpr_D(dc, rs2);
1814     dst = gen_dest_fpr_D(dc, rd);
1815 
1816     gen(dst, src1, src2);
1817 
1818     gen_store_fpr_D(dc, rd, dst);
1819 }
1820 
1821 static inline void gen_gsr_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1822                            void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
1823 {
1824     TCGv_i64 dst, src1, src2;
1825 
1826     src1 = gen_load_fpr_D(dc, rs1);
1827     src2 = gen_load_fpr_D(dc, rs2);
1828     dst = gen_dest_fpr_D(dc, rd);
1829 
1830     gen(dst, cpu_gsr, src1, src2);
1831 
1832     gen_store_fpr_D(dc, rd, dst);
1833 }
1834 
1835 static inline void gen_ne_fop_DDDD(DisasContext *dc, int rd, int rs1, int rs2,
1836                            void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
1837 {
1838     TCGv_i64 dst, src0, src1, src2;
1839 
1840     src1 = gen_load_fpr_D(dc, rs1);
1841     src2 = gen_load_fpr_D(dc, rs2);
1842     src0 = gen_load_fpr_D(dc, rd);
1843     dst = gen_dest_fpr_D(dc, rd);
1844 
1845     gen(dst, src0, src1, src2);
1846 
1847     gen_store_fpr_D(dc, rd, dst);
1848 }
1849 #endif
1850 
1851 static inline void gen_fop_QQ(DisasContext *dc, int rd, int rs,
1852                               void (*gen)(TCGv_ptr))
1853 {
1854     gen_op_load_fpr_QT1(QFPREG(rs));
1855 
1856     gen(cpu_env);
1857     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1858 
1859     gen_op_store_QT0_fpr(QFPREG(rd));
1860     gen_update_fprs_dirty(dc, QFPREG(rd));
1861 }
1862 
1863 #ifdef TARGET_SPARC64
1864 static inline void gen_ne_fop_QQ(DisasContext *dc, int rd, int rs,
1865                                  void (*gen)(TCGv_ptr))
1866 {
1867     gen_op_load_fpr_QT1(QFPREG(rs));
1868 
1869     gen(cpu_env);
1870 
1871     gen_op_store_QT0_fpr(QFPREG(rd));
1872     gen_update_fprs_dirty(dc, QFPREG(rd));
1873 }
1874 #endif
1875 
1876 static inline void gen_fop_QQQ(DisasContext *dc, int rd, int rs1, int rs2,
1877                                void (*gen)(TCGv_ptr))
1878 {
1879     gen_op_load_fpr_QT0(QFPREG(rs1));
1880     gen_op_load_fpr_QT1(QFPREG(rs2));
1881 
1882     gen(cpu_env);
1883     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1884 
1885     gen_op_store_QT0_fpr(QFPREG(rd));
1886     gen_update_fprs_dirty(dc, QFPREG(rd));
1887 }
1888 
1889 static inline void gen_fop_DFF(DisasContext *dc, int rd, int rs1, int rs2,
1890                         void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32, TCGv_i32))
1891 {
1892     TCGv_i64 dst;
1893     TCGv_i32 src1, src2;
1894 
1895     src1 = gen_load_fpr_F(dc, rs1);
1896     src2 = gen_load_fpr_F(dc, rs2);
1897     dst = gen_dest_fpr_D(dc, rd);
1898 
1899     gen(dst, cpu_env, src1, src2);
1900     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1901 
1902     gen_store_fpr_D(dc, rd, dst);
1903 }
1904 
1905 static inline void gen_fop_QDD(DisasContext *dc, int rd, int rs1, int rs2,
1906                                void (*gen)(TCGv_ptr, TCGv_i64, TCGv_i64))
1907 {
1908     TCGv_i64 src1, src2;
1909 
1910     src1 = gen_load_fpr_D(dc, rs1);
1911     src2 = gen_load_fpr_D(dc, rs2);
1912 
1913     gen(cpu_env, src1, src2);
1914     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1915 
1916     gen_op_store_QT0_fpr(QFPREG(rd));
1917     gen_update_fprs_dirty(dc, QFPREG(rd));
1918 }
1919 
1920 #ifdef TARGET_SPARC64
1921 static inline void gen_fop_DF(DisasContext *dc, int rd, int rs,
1922                               void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32))
1923 {
1924     TCGv_i64 dst;
1925     TCGv_i32 src;
1926 
1927     src = gen_load_fpr_F(dc, rs);
1928     dst = gen_dest_fpr_D(dc, rd);
1929 
1930     gen(dst, cpu_env, src);
1931     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1932 
1933     gen_store_fpr_D(dc, rd, dst);
1934 }
1935 #endif
1936 
1937 static inline void gen_ne_fop_DF(DisasContext *dc, int rd, int rs,
1938                                  void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32))
1939 {
1940     TCGv_i64 dst;
1941     TCGv_i32 src;
1942 
1943     src = gen_load_fpr_F(dc, rs);
1944     dst = gen_dest_fpr_D(dc, rd);
1945 
1946     gen(dst, cpu_env, src);
1947 
1948     gen_store_fpr_D(dc, rd, dst);
1949 }
1950 
1951 static inline void gen_fop_FD(DisasContext *dc, int rd, int rs,
1952                               void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i64))
1953 {
1954     TCGv_i32 dst;
1955     TCGv_i64 src;
1956 
1957     src = gen_load_fpr_D(dc, rs);
1958     dst = gen_dest_fpr_F(dc);
1959 
1960     gen(dst, cpu_env, src);
1961     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1962 
1963     gen_store_fpr_F(dc, rd, dst);
1964 }
1965 
1966 static inline void gen_fop_FQ(DisasContext *dc, int rd, int rs,
1967                               void (*gen)(TCGv_i32, TCGv_ptr))
1968 {
1969     TCGv_i32 dst;
1970 
1971     gen_op_load_fpr_QT1(QFPREG(rs));
1972     dst = gen_dest_fpr_F(dc);
1973 
1974     gen(dst, cpu_env);
1975     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1976 
1977     gen_store_fpr_F(dc, rd, dst);
1978 }
1979 
1980 static inline void gen_fop_DQ(DisasContext *dc, int rd, int rs,
1981                               void (*gen)(TCGv_i64, TCGv_ptr))
1982 {
1983     TCGv_i64 dst;
1984 
1985     gen_op_load_fpr_QT1(QFPREG(rs));
1986     dst = gen_dest_fpr_D(dc, rd);
1987 
1988     gen(dst, cpu_env);
1989     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1990 
1991     gen_store_fpr_D(dc, rd, dst);
1992 }
1993 
1994 static inline void gen_ne_fop_QF(DisasContext *dc, int rd, int rs,
1995                                  void (*gen)(TCGv_ptr, TCGv_i32))
1996 {
1997     TCGv_i32 src;
1998 
1999     src = gen_load_fpr_F(dc, rs);
2000 
2001     gen(cpu_env, src);
2002 
2003     gen_op_store_QT0_fpr(QFPREG(rd));
2004     gen_update_fprs_dirty(dc, QFPREG(rd));
2005 }
2006 
2007 static inline void gen_ne_fop_QD(DisasContext *dc, int rd, int rs,
2008                                  void (*gen)(TCGv_ptr, TCGv_i64))
2009 {
2010     TCGv_i64 src;
2011 
2012     src = gen_load_fpr_D(dc, rs);
2013 
2014     gen(cpu_env, src);
2015 
2016     gen_op_store_QT0_fpr(QFPREG(rd));
2017     gen_update_fprs_dirty(dc, QFPREG(rd));
2018 }
2019 
2020 static void gen_swap(DisasContext *dc, TCGv dst, TCGv src,
2021                      TCGv addr, int mmu_idx, TCGMemOp memop)
2022 {
2023     gen_address_mask(dc, addr);
2024     tcg_gen_atomic_xchg_tl(dst, addr, src, mmu_idx, memop);
2025 }
2026 
2027 static void gen_ldstub(DisasContext *dc, TCGv dst, TCGv addr, int mmu_idx)
2028 {
2029     TCGv m1 = tcg_const_tl(0xff);
2030     gen_address_mask(dc, addr);
2031     tcg_gen_atomic_xchg_tl(dst, addr, m1, mmu_idx, MO_UB);
2032     tcg_temp_free(m1);
2033 }
2034 
2035 /* asi moves */
2036 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
2037 typedef enum {
2038     GET_ASI_HELPER,
2039     GET_ASI_EXCP,
2040     GET_ASI_DIRECT,
2041     GET_ASI_DTWINX,
2042     GET_ASI_BLOCK,
2043     GET_ASI_SHORT,
2044     GET_ASI_BCOPY,
2045     GET_ASI_BFILL,
2046 } ASIType;
2047 
2048 typedef struct {
2049     ASIType type;
2050     int asi;
2051     int mem_idx;
2052     TCGMemOp memop;
2053 } DisasASI;
2054 
2055 static DisasASI get_asi(DisasContext *dc, int insn, TCGMemOp memop)
2056 {
2057     int asi = GET_FIELD(insn, 19, 26);
2058     ASIType type = GET_ASI_HELPER;
2059     int mem_idx = dc->mem_idx;
2060 
2061 #ifndef TARGET_SPARC64
2062     /* Before v9, all asis are immediate and privileged.  */
2063     if (IS_IMM) {
2064         gen_exception(dc, TT_ILL_INSN);
2065         type = GET_ASI_EXCP;
2066     } else if (supervisor(dc)
2067                /* Note that LEON accepts ASI_USERDATA in user mode, for
2068                   use with CASA.  Also note that previous versions of
2069                   QEMU allowed (and old versions of gcc emitted) ASI_P
2070                   for LEON, which is incorrect.  */
2071                || (asi == ASI_USERDATA
2072                    && (dc->def->features & CPU_FEATURE_CASA))) {
2073         switch (asi) {
2074         case ASI_USERDATA:   /* User data access */
2075             mem_idx = MMU_USER_IDX;
2076             type = GET_ASI_DIRECT;
2077             break;
2078         case ASI_KERNELDATA: /* Supervisor data access */
2079             mem_idx = MMU_KERNEL_IDX;
2080             type = GET_ASI_DIRECT;
2081             break;
2082         case ASI_M_BYPASS:    /* MMU passthrough */
2083         case ASI_LEON_BYPASS: /* LEON MMU passthrough */
2084             mem_idx = MMU_PHYS_IDX;
2085             type = GET_ASI_DIRECT;
2086             break;
2087         case ASI_M_BCOPY: /* Block copy, sta access */
2088             mem_idx = MMU_KERNEL_IDX;
2089             type = GET_ASI_BCOPY;
2090             break;
2091         case ASI_M_BFILL: /* Block fill, stda access */
2092             mem_idx = MMU_KERNEL_IDX;
2093             type = GET_ASI_BFILL;
2094             break;
2095         }
2096     } else {
2097         gen_exception(dc, TT_PRIV_INSN);
2098         type = GET_ASI_EXCP;
2099     }
2100 #else
2101     if (IS_IMM) {
2102         asi = dc->asi;
2103     }
2104     /* With v9, all asis below 0x80 are privileged.  */
2105     /* ??? We ought to check cpu_has_hypervisor, but we didn't copy
2106        down that bit into DisasContext.  For the moment that's ok,
2107        since the direct implementations below doesn't have any ASIs
2108        in the restricted [0x30, 0x7f] range, and the check will be
2109        done properly in the helper.  */
2110     if (!supervisor(dc) && asi < 0x80) {
2111         gen_exception(dc, TT_PRIV_ACT);
2112         type = GET_ASI_EXCP;
2113     } else {
2114         switch (asi) {
2115         case ASI_REAL:      /* Bypass */
2116         case ASI_REAL_IO:   /* Bypass, non-cacheable */
2117         case ASI_REAL_L:    /* Bypass LE */
2118         case ASI_REAL_IO_L: /* Bypass, non-cacheable LE */
2119         case ASI_TWINX_REAL:   /* Real address, twinx */
2120         case ASI_TWINX_REAL_L: /* Real address, twinx, LE */
2121         case ASI_QUAD_LDD_PHYS:
2122         case ASI_QUAD_LDD_PHYS_L:
2123             mem_idx = MMU_PHYS_IDX;
2124             break;
2125         case ASI_N:  /* Nucleus */
2126         case ASI_NL: /* Nucleus LE */
2127         case ASI_TWINX_N:
2128         case ASI_TWINX_NL:
2129         case ASI_NUCLEUS_QUAD_LDD:
2130         case ASI_NUCLEUS_QUAD_LDD_L:
2131             if (hypervisor(dc)) {
2132                 mem_idx = MMU_PHYS_IDX;
2133             } else {
2134                 mem_idx = MMU_NUCLEUS_IDX;
2135             }
2136             break;
2137         case ASI_AIUP:  /* As if user primary */
2138         case ASI_AIUPL: /* As if user primary LE */
2139         case ASI_TWINX_AIUP:
2140         case ASI_TWINX_AIUP_L:
2141         case ASI_BLK_AIUP_4V:
2142         case ASI_BLK_AIUP_L_4V:
2143         case ASI_BLK_AIUP:
2144         case ASI_BLK_AIUPL:
2145             mem_idx = MMU_USER_IDX;
2146             break;
2147         case ASI_AIUS:  /* As if user secondary */
2148         case ASI_AIUSL: /* As if user secondary LE */
2149         case ASI_TWINX_AIUS:
2150         case ASI_TWINX_AIUS_L:
2151         case ASI_BLK_AIUS_4V:
2152         case ASI_BLK_AIUS_L_4V:
2153         case ASI_BLK_AIUS:
2154         case ASI_BLK_AIUSL:
2155             mem_idx = MMU_USER_SECONDARY_IDX;
2156             break;
2157         case ASI_S:  /* Secondary */
2158         case ASI_SL: /* Secondary LE */
2159         case ASI_TWINX_S:
2160         case ASI_TWINX_SL:
2161         case ASI_BLK_COMMIT_S:
2162         case ASI_BLK_S:
2163         case ASI_BLK_SL:
2164         case ASI_FL8_S:
2165         case ASI_FL8_SL:
2166         case ASI_FL16_S:
2167         case ASI_FL16_SL:
2168             if (mem_idx == MMU_USER_IDX) {
2169                 mem_idx = MMU_USER_SECONDARY_IDX;
2170             } else if (mem_idx == MMU_KERNEL_IDX) {
2171                 mem_idx = MMU_KERNEL_SECONDARY_IDX;
2172             }
2173             break;
2174         case ASI_P:  /* Primary */
2175         case ASI_PL: /* Primary LE */
2176         case ASI_TWINX_P:
2177         case ASI_TWINX_PL:
2178         case ASI_BLK_COMMIT_P:
2179         case ASI_BLK_P:
2180         case ASI_BLK_PL:
2181         case ASI_FL8_P:
2182         case ASI_FL8_PL:
2183         case ASI_FL16_P:
2184         case ASI_FL16_PL:
2185             break;
2186         }
2187         switch (asi) {
2188         case ASI_REAL:
2189         case ASI_REAL_IO:
2190         case ASI_REAL_L:
2191         case ASI_REAL_IO_L:
2192         case ASI_N:
2193         case ASI_NL:
2194         case ASI_AIUP:
2195         case ASI_AIUPL:
2196         case ASI_AIUS:
2197         case ASI_AIUSL:
2198         case ASI_S:
2199         case ASI_SL:
2200         case ASI_P:
2201         case ASI_PL:
2202             type = GET_ASI_DIRECT;
2203             break;
2204         case ASI_TWINX_REAL:
2205         case ASI_TWINX_REAL_L:
2206         case ASI_TWINX_N:
2207         case ASI_TWINX_NL:
2208         case ASI_TWINX_AIUP:
2209         case ASI_TWINX_AIUP_L:
2210         case ASI_TWINX_AIUS:
2211         case ASI_TWINX_AIUS_L:
2212         case ASI_TWINX_P:
2213         case ASI_TWINX_PL:
2214         case ASI_TWINX_S:
2215         case ASI_TWINX_SL:
2216         case ASI_QUAD_LDD_PHYS:
2217         case ASI_QUAD_LDD_PHYS_L:
2218         case ASI_NUCLEUS_QUAD_LDD:
2219         case ASI_NUCLEUS_QUAD_LDD_L:
2220             type = GET_ASI_DTWINX;
2221             break;
2222         case ASI_BLK_COMMIT_P:
2223         case ASI_BLK_COMMIT_S:
2224         case ASI_BLK_AIUP_4V:
2225         case ASI_BLK_AIUP_L_4V:
2226         case ASI_BLK_AIUP:
2227         case ASI_BLK_AIUPL:
2228         case ASI_BLK_AIUS_4V:
2229         case ASI_BLK_AIUS_L_4V:
2230         case ASI_BLK_AIUS:
2231         case ASI_BLK_AIUSL:
2232         case ASI_BLK_S:
2233         case ASI_BLK_SL:
2234         case ASI_BLK_P:
2235         case ASI_BLK_PL:
2236             type = GET_ASI_BLOCK;
2237             break;
2238         case ASI_FL8_S:
2239         case ASI_FL8_SL:
2240         case ASI_FL8_P:
2241         case ASI_FL8_PL:
2242             memop = MO_UB;
2243             type = GET_ASI_SHORT;
2244             break;
2245         case ASI_FL16_S:
2246         case ASI_FL16_SL:
2247         case ASI_FL16_P:
2248         case ASI_FL16_PL:
2249             memop = MO_TEUW;
2250             type = GET_ASI_SHORT;
2251             break;
2252         }
2253         /* The little-endian asis all have bit 3 set.  */
2254         if (asi & 8) {
2255             memop ^= MO_BSWAP;
2256         }
2257     }
2258 #endif
2259 
2260     return (DisasASI){ type, asi, mem_idx, memop };
2261 }
2262 
2263 static void gen_ld_asi(DisasContext *dc, TCGv dst, TCGv addr,
2264                        int insn, TCGMemOp memop)
2265 {
2266     DisasASI da = get_asi(dc, insn, memop);
2267 
2268     switch (da.type) {
2269     case GET_ASI_EXCP:
2270         break;
2271     case GET_ASI_DTWINX: /* Reserved for ldda.  */
2272         gen_exception(dc, TT_ILL_INSN);
2273         break;
2274     case GET_ASI_DIRECT:
2275         gen_address_mask(dc, addr);
2276         tcg_gen_qemu_ld_tl(dst, addr, da.mem_idx, da.memop);
2277         break;
2278     default:
2279         {
2280             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2281             TCGv_i32 r_mop = tcg_const_i32(memop);
2282 
2283             save_state(dc);
2284 #ifdef TARGET_SPARC64
2285             gen_helper_ld_asi(dst, cpu_env, addr, r_asi, r_mop);
2286 #else
2287             {
2288                 TCGv_i64 t64 = tcg_temp_new_i64();
2289                 gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_mop);
2290                 tcg_gen_trunc_i64_tl(dst, t64);
2291                 tcg_temp_free_i64(t64);
2292             }
2293 #endif
2294             tcg_temp_free_i32(r_mop);
2295             tcg_temp_free_i32(r_asi);
2296         }
2297         break;
2298     }
2299 }
2300 
2301 static void gen_st_asi(DisasContext *dc, TCGv src, TCGv addr,
2302                        int insn, TCGMemOp memop)
2303 {
2304     DisasASI da = get_asi(dc, insn, memop);
2305 
2306     switch (da.type) {
2307     case GET_ASI_EXCP:
2308         break;
2309     case GET_ASI_DTWINX: /* Reserved for stda.  */
2310 #ifndef TARGET_SPARC64
2311         gen_exception(dc, TT_ILL_INSN);
2312         break;
2313 #else
2314         if (!(dc->def->features & CPU_FEATURE_HYPV)) {
2315             /* Pre OpenSPARC CPUs don't have these */
2316             gen_exception(dc, TT_ILL_INSN);
2317             return;
2318         }
2319         /* in OpenSPARC T1+ CPUs TWINX ASIs in store instructions
2320          * are ST_BLKINIT_ ASIs */
2321         /* fall through */
2322 #endif
2323     case GET_ASI_DIRECT:
2324         gen_address_mask(dc, addr);
2325         tcg_gen_qemu_st_tl(src, addr, da.mem_idx, da.memop);
2326         break;
2327 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
2328     case GET_ASI_BCOPY:
2329         /* Copy 32 bytes from the address in SRC to ADDR.  */
2330         /* ??? The original qemu code suggests 4-byte alignment, dropping
2331            the low bits, but the only place I can see this used is in the
2332            Linux kernel with 32 byte alignment, which would make more sense
2333            as a cacheline-style operation.  */
2334         {
2335             TCGv saddr = tcg_temp_new();
2336             TCGv daddr = tcg_temp_new();
2337             TCGv four = tcg_const_tl(4);
2338             TCGv_i32 tmp = tcg_temp_new_i32();
2339             int i;
2340 
2341             tcg_gen_andi_tl(saddr, src, -4);
2342             tcg_gen_andi_tl(daddr, addr, -4);
2343             for (i = 0; i < 32; i += 4) {
2344                 /* Since the loads and stores are paired, allow the
2345                    copy to happen in the host endianness.  */
2346                 tcg_gen_qemu_ld_i32(tmp, saddr, da.mem_idx, MO_UL);
2347                 tcg_gen_qemu_st_i32(tmp, daddr, da.mem_idx, MO_UL);
2348                 tcg_gen_add_tl(saddr, saddr, four);
2349                 tcg_gen_add_tl(daddr, daddr, four);
2350             }
2351 
2352             tcg_temp_free(saddr);
2353             tcg_temp_free(daddr);
2354             tcg_temp_free(four);
2355             tcg_temp_free_i32(tmp);
2356         }
2357         break;
2358 #endif
2359     default:
2360         {
2361             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2362             TCGv_i32 r_mop = tcg_const_i32(memop & MO_SIZE);
2363 
2364             save_state(dc);
2365 #ifdef TARGET_SPARC64
2366             gen_helper_st_asi(cpu_env, addr, src, r_asi, r_mop);
2367 #else
2368             {
2369                 TCGv_i64 t64 = tcg_temp_new_i64();
2370                 tcg_gen_extu_tl_i64(t64, src);
2371                 gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_mop);
2372                 tcg_temp_free_i64(t64);
2373             }
2374 #endif
2375             tcg_temp_free_i32(r_mop);
2376             tcg_temp_free_i32(r_asi);
2377 
2378             /* A write to a TLB register may alter page maps.  End the TB. */
2379             dc->npc = DYNAMIC_PC;
2380         }
2381         break;
2382     }
2383 }
2384 
2385 static void gen_swap_asi(DisasContext *dc, TCGv dst, TCGv src,
2386                          TCGv addr, int insn)
2387 {
2388     DisasASI da = get_asi(dc, insn, MO_TEUL);
2389 
2390     switch (da.type) {
2391     case GET_ASI_EXCP:
2392         break;
2393     case GET_ASI_DIRECT:
2394         gen_swap(dc, dst, src, addr, da.mem_idx, da.memop);
2395         break;
2396     default:
2397         /* ??? Should be DAE_invalid_asi.  */
2398         gen_exception(dc, TT_DATA_ACCESS);
2399         break;
2400     }
2401 }
2402 
2403 static void gen_cas_asi(DisasContext *dc, TCGv addr, TCGv cmpv,
2404                         int insn, int rd)
2405 {
2406     DisasASI da = get_asi(dc, insn, MO_TEUL);
2407     TCGv oldv;
2408 
2409     switch (da.type) {
2410     case GET_ASI_EXCP:
2411         return;
2412     case GET_ASI_DIRECT:
2413         oldv = tcg_temp_new();
2414         tcg_gen_atomic_cmpxchg_tl(oldv, addr, cmpv, gen_load_gpr(dc, rd),
2415                                   da.mem_idx, da.memop);
2416         gen_store_gpr(dc, rd, oldv);
2417         tcg_temp_free(oldv);
2418         break;
2419     default:
2420         /* ??? Should be DAE_invalid_asi.  */
2421         gen_exception(dc, TT_DATA_ACCESS);
2422         break;
2423     }
2424 }
2425 
2426 static void gen_ldstub_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn)
2427 {
2428     DisasASI da = get_asi(dc, insn, MO_UB);
2429 
2430     switch (da.type) {
2431     case GET_ASI_EXCP:
2432         break;
2433     case GET_ASI_DIRECT:
2434         gen_ldstub(dc, dst, addr, da.mem_idx);
2435         break;
2436     default:
2437         /* ??? In theory, this should be raise DAE_invalid_asi.
2438            But the SS-20 roms do ldstuba [%l0] #ASI_M_CTL, %o1.  */
2439         if (tb_cflags(dc->tb) & CF_PARALLEL) {
2440             gen_helper_exit_atomic(cpu_env);
2441         } else {
2442             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2443             TCGv_i32 r_mop = tcg_const_i32(MO_UB);
2444             TCGv_i64 s64, t64;
2445 
2446             save_state(dc);
2447             t64 = tcg_temp_new_i64();
2448             gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_mop);
2449 
2450             s64 = tcg_const_i64(0xff);
2451             gen_helper_st_asi(cpu_env, addr, s64, r_asi, r_mop);
2452             tcg_temp_free_i64(s64);
2453             tcg_temp_free_i32(r_mop);
2454             tcg_temp_free_i32(r_asi);
2455 
2456             tcg_gen_trunc_i64_tl(dst, t64);
2457             tcg_temp_free_i64(t64);
2458 
2459             /* End the TB.  */
2460             dc->npc = DYNAMIC_PC;
2461         }
2462         break;
2463     }
2464 }
2465 #endif
2466 
2467 #ifdef TARGET_SPARC64
2468 static void gen_ldf_asi(DisasContext *dc, TCGv addr,
2469                         int insn, int size, int rd)
2470 {
2471     DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEQ));
2472     TCGv_i32 d32;
2473     TCGv_i64 d64;
2474 
2475     switch (da.type) {
2476     case GET_ASI_EXCP:
2477         break;
2478 
2479     case GET_ASI_DIRECT:
2480         gen_address_mask(dc, addr);
2481         switch (size) {
2482         case 4:
2483             d32 = gen_dest_fpr_F(dc);
2484             tcg_gen_qemu_ld_i32(d32, addr, da.mem_idx, da.memop);
2485             gen_store_fpr_F(dc, rd, d32);
2486             break;
2487         case 8:
2488             tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx,
2489                                 da.memop | MO_ALIGN_4);
2490             break;
2491         case 16:
2492             d64 = tcg_temp_new_i64();
2493             tcg_gen_qemu_ld_i64(d64, addr, da.mem_idx, da.memop | MO_ALIGN_4);
2494             tcg_gen_addi_tl(addr, addr, 8);
2495             tcg_gen_qemu_ld_i64(cpu_fpr[rd/2+1], addr, da.mem_idx,
2496                                 da.memop | MO_ALIGN_4);
2497             tcg_gen_mov_i64(cpu_fpr[rd / 2], d64);
2498             tcg_temp_free_i64(d64);
2499             break;
2500         default:
2501             g_assert_not_reached();
2502         }
2503         break;
2504 
2505     case GET_ASI_BLOCK:
2506         /* Valid for lddfa on aligned registers only.  */
2507         if (size == 8 && (rd & 7) == 0) {
2508             TCGMemOp memop;
2509             TCGv eight;
2510             int i;
2511 
2512             gen_address_mask(dc, addr);
2513 
2514             /* The first operation checks required alignment.  */
2515             memop = da.memop | MO_ALIGN_64;
2516             eight = tcg_const_tl(8);
2517             for (i = 0; ; ++i) {
2518                 tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2 + i], addr,
2519                                     da.mem_idx, memop);
2520                 if (i == 7) {
2521                     break;
2522                 }
2523                 tcg_gen_add_tl(addr, addr, eight);
2524                 memop = da.memop;
2525             }
2526             tcg_temp_free(eight);
2527         } else {
2528             gen_exception(dc, TT_ILL_INSN);
2529         }
2530         break;
2531 
2532     case GET_ASI_SHORT:
2533         /* Valid for lddfa only.  */
2534         if (size == 8) {
2535             gen_address_mask(dc, addr);
2536             tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
2537         } else {
2538             gen_exception(dc, TT_ILL_INSN);
2539         }
2540         break;
2541 
2542     default:
2543         {
2544             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2545             TCGv_i32 r_mop = tcg_const_i32(da.memop);
2546 
2547             save_state(dc);
2548             /* According to the table in the UA2011 manual, the only
2549                other asis that are valid for ldfa/lddfa/ldqfa are
2550                the NO_FAULT asis.  We still need a helper for these,
2551                but we can just use the integer asi helper for them.  */
2552             switch (size) {
2553             case 4:
2554                 d64 = tcg_temp_new_i64();
2555                 gen_helper_ld_asi(d64, cpu_env, addr, r_asi, r_mop);
2556                 d32 = gen_dest_fpr_F(dc);
2557                 tcg_gen_extrl_i64_i32(d32, d64);
2558                 tcg_temp_free_i64(d64);
2559                 gen_store_fpr_F(dc, rd, d32);
2560                 break;
2561             case 8:
2562                 gen_helper_ld_asi(cpu_fpr[rd / 2], cpu_env, addr, r_asi, r_mop);
2563                 break;
2564             case 16:
2565                 d64 = tcg_temp_new_i64();
2566                 gen_helper_ld_asi(d64, cpu_env, addr, r_asi, r_mop);
2567                 tcg_gen_addi_tl(addr, addr, 8);
2568                 gen_helper_ld_asi(cpu_fpr[rd/2+1], cpu_env, addr, r_asi, r_mop);
2569                 tcg_gen_mov_i64(cpu_fpr[rd / 2], d64);
2570                 tcg_temp_free_i64(d64);
2571                 break;
2572             default:
2573                 g_assert_not_reached();
2574             }
2575             tcg_temp_free_i32(r_mop);
2576             tcg_temp_free_i32(r_asi);
2577         }
2578         break;
2579     }
2580 }
2581 
2582 static void gen_stf_asi(DisasContext *dc, TCGv addr,
2583                         int insn, int size, int rd)
2584 {
2585     DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEQ));
2586     TCGv_i32 d32;
2587 
2588     switch (da.type) {
2589     case GET_ASI_EXCP:
2590         break;
2591 
2592     case GET_ASI_DIRECT:
2593         gen_address_mask(dc, addr);
2594         switch (size) {
2595         case 4:
2596             d32 = gen_load_fpr_F(dc, rd);
2597             tcg_gen_qemu_st_i32(d32, addr, da.mem_idx, da.memop);
2598             break;
2599         case 8:
2600             tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx,
2601                                 da.memop | MO_ALIGN_4);
2602             break;
2603         case 16:
2604             /* Only 4-byte alignment required.  However, it is legal for the
2605                cpu to signal the alignment fault, and the OS trap handler is
2606                required to fix it up.  Requiring 16-byte alignment here avoids
2607                having to probe the second page before performing the first
2608                write.  */
2609             tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx,
2610                                 da.memop | MO_ALIGN_16);
2611             tcg_gen_addi_tl(addr, addr, 8);
2612             tcg_gen_qemu_st_i64(cpu_fpr[rd/2+1], addr, da.mem_idx, da.memop);
2613             break;
2614         default:
2615             g_assert_not_reached();
2616         }
2617         break;
2618 
2619     case GET_ASI_BLOCK:
2620         /* Valid for stdfa on aligned registers only.  */
2621         if (size == 8 && (rd & 7) == 0) {
2622             TCGMemOp memop;
2623             TCGv eight;
2624             int i;
2625 
2626             gen_address_mask(dc, addr);
2627 
2628             /* The first operation checks required alignment.  */
2629             memop = da.memop | MO_ALIGN_64;
2630             eight = tcg_const_tl(8);
2631             for (i = 0; ; ++i) {
2632                 tcg_gen_qemu_st_i64(cpu_fpr[rd / 2 + i], addr,
2633                                     da.mem_idx, memop);
2634                 if (i == 7) {
2635                     break;
2636                 }
2637                 tcg_gen_add_tl(addr, addr, eight);
2638                 memop = da.memop;
2639             }
2640             tcg_temp_free(eight);
2641         } else {
2642             gen_exception(dc, TT_ILL_INSN);
2643         }
2644         break;
2645 
2646     case GET_ASI_SHORT:
2647         /* Valid for stdfa only.  */
2648         if (size == 8) {
2649             gen_address_mask(dc, addr);
2650             tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
2651         } else {
2652             gen_exception(dc, TT_ILL_INSN);
2653         }
2654         break;
2655 
2656     default:
2657         /* According to the table in the UA2011 manual, the only
2658            other asis that are valid for ldfa/lddfa/ldqfa are
2659            the PST* asis, which aren't currently handled.  */
2660         gen_exception(dc, TT_ILL_INSN);
2661         break;
2662     }
2663 }
2664 
2665 static void gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd)
2666 {
2667     DisasASI da = get_asi(dc, insn, MO_TEQ);
2668     TCGv_i64 hi = gen_dest_gpr(dc, rd);
2669     TCGv_i64 lo = gen_dest_gpr(dc, rd + 1);
2670 
2671     switch (da.type) {
2672     case GET_ASI_EXCP:
2673         return;
2674 
2675     case GET_ASI_DTWINX:
2676         gen_address_mask(dc, addr);
2677         tcg_gen_qemu_ld_i64(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16);
2678         tcg_gen_addi_tl(addr, addr, 8);
2679         tcg_gen_qemu_ld_i64(lo, addr, da.mem_idx, da.memop);
2680         break;
2681 
2682     case GET_ASI_DIRECT:
2683         {
2684             TCGv_i64 tmp = tcg_temp_new_i64();
2685 
2686             gen_address_mask(dc, addr);
2687             tcg_gen_qemu_ld_i64(tmp, addr, da.mem_idx, da.memop);
2688 
2689             /* Note that LE ldda acts as if each 32-bit register
2690                result is byte swapped.  Having just performed one
2691                64-bit bswap, we need now to swap the writebacks.  */
2692             if ((da.memop & MO_BSWAP) == MO_TE) {
2693                 tcg_gen_extr32_i64(lo, hi, tmp);
2694             } else {
2695                 tcg_gen_extr32_i64(hi, lo, tmp);
2696             }
2697             tcg_temp_free_i64(tmp);
2698         }
2699         break;
2700 
2701     default:
2702         /* ??? In theory we've handled all of the ASIs that are valid
2703            for ldda, and this should raise DAE_invalid_asi.  However,
2704            real hardware allows others.  This can be seen with e.g.
2705            FreeBSD 10.3 wrt ASI_IC_TAG.  */
2706         {
2707             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2708             TCGv_i32 r_mop = tcg_const_i32(da.memop);
2709             TCGv_i64 tmp = tcg_temp_new_i64();
2710 
2711             save_state(dc);
2712             gen_helper_ld_asi(tmp, cpu_env, addr, r_asi, r_mop);
2713             tcg_temp_free_i32(r_asi);
2714             tcg_temp_free_i32(r_mop);
2715 
2716             /* See above.  */
2717             if ((da.memop & MO_BSWAP) == MO_TE) {
2718                 tcg_gen_extr32_i64(lo, hi, tmp);
2719             } else {
2720                 tcg_gen_extr32_i64(hi, lo, tmp);
2721             }
2722             tcg_temp_free_i64(tmp);
2723         }
2724         break;
2725     }
2726 
2727     gen_store_gpr(dc, rd, hi);
2728     gen_store_gpr(dc, rd + 1, lo);
2729 }
2730 
2731 static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr,
2732                          int insn, int rd)
2733 {
2734     DisasASI da = get_asi(dc, insn, MO_TEQ);
2735     TCGv lo = gen_load_gpr(dc, rd + 1);
2736 
2737     switch (da.type) {
2738     case GET_ASI_EXCP:
2739         break;
2740 
2741     case GET_ASI_DTWINX:
2742         gen_address_mask(dc, addr);
2743         tcg_gen_qemu_st_i64(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16);
2744         tcg_gen_addi_tl(addr, addr, 8);
2745         tcg_gen_qemu_st_i64(lo, addr, da.mem_idx, da.memop);
2746         break;
2747 
2748     case GET_ASI_DIRECT:
2749         {
2750             TCGv_i64 t64 = tcg_temp_new_i64();
2751 
2752             /* Note that LE stda acts as if each 32-bit register result is
2753                byte swapped.  We will perform one 64-bit LE store, so now
2754                we must swap the order of the construction.  */
2755             if ((da.memop & MO_BSWAP) == MO_TE) {
2756                 tcg_gen_concat32_i64(t64, lo, hi);
2757             } else {
2758                 tcg_gen_concat32_i64(t64, hi, lo);
2759             }
2760             gen_address_mask(dc, addr);
2761             tcg_gen_qemu_st_i64(t64, addr, da.mem_idx, da.memop);
2762             tcg_temp_free_i64(t64);
2763         }
2764         break;
2765 
2766     default:
2767         /* ??? In theory we've handled all of the ASIs that are valid
2768            for stda, and this should raise DAE_invalid_asi.  */
2769         {
2770             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2771             TCGv_i32 r_mop = tcg_const_i32(da.memop);
2772             TCGv_i64 t64 = tcg_temp_new_i64();
2773 
2774             /* See above.  */
2775             if ((da.memop & MO_BSWAP) == MO_TE) {
2776                 tcg_gen_concat32_i64(t64, lo, hi);
2777             } else {
2778                 tcg_gen_concat32_i64(t64, hi, lo);
2779             }
2780 
2781             save_state(dc);
2782             gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_mop);
2783             tcg_temp_free_i32(r_mop);
2784             tcg_temp_free_i32(r_asi);
2785             tcg_temp_free_i64(t64);
2786         }
2787         break;
2788     }
2789 }
2790 
2791 static void gen_casx_asi(DisasContext *dc, TCGv addr, TCGv cmpv,
2792                          int insn, int rd)
2793 {
2794     DisasASI da = get_asi(dc, insn, MO_TEQ);
2795     TCGv oldv;
2796 
2797     switch (da.type) {
2798     case GET_ASI_EXCP:
2799         return;
2800     case GET_ASI_DIRECT:
2801         oldv = tcg_temp_new();
2802         tcg_gen_atomic_cmpxchg_tl(oldv, addr, cmpv, gen_load_gpr(dc, rd),
2803                                   da.mem_idx, da.memop);
2804         gen_store_gpr(dc, rd, oldv);
2805         tcg_temp_free(oldv);
2806         break;
2807     default:
2808         /* ??? Should be DAE_invalid_asi.  */
2809         gen_exception(dc, TT_DATA_ACCESS);
2810         break;
2811     }
2812 }
2813 
2814 #elif !defined(CONFIG_USER_ONLY)
2815 static void gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd)
2816 {
2817     /* ??? Work around an apparent bug in Ubuntu gcc 4.8.2-10ubuntu2+12,
2818        whereby "rd + 1" elicits "error: array subscript is above array".
2819        Since we have already asserted that rd is even, the semantics
2820        are unchanged.  */
2821     TCGv lo = gen_dest_gpr(dc, rd | 1);
2822     TCGv hi = gen_dest_gpr(dc, rd);
2823     TCGv_i64 t64 = tcg_temp_new_i64();
2824     DisasASI da = get_asi(dc, insn, MO_TEQ);
2825 
2826     switch (da.type) {
2827     case GET_ASI_EXCP:
2828         tcg_temp_free_i64(t64);
2829         return;
2830     case GET_ASI_DIRECT:
2831         gen_address_mask(dc, addr);
2832         tcg_gen_qemu_ld_i64(t64, addr, da.mem_idx, da.memop);
2833         break;
2834     default:
2835         {
2836             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2837             TCGv_i32 r_mop = tcg_const_i32(MO_Q);
2838 
2839             save_state(dc);
2840             gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_mop);
2841             tcg_temp_free_i32(r_mop);
2842             tcg_temp_free_i32(r_asi);
2843         }
2844         break;
2845     }
2846 
2847     tcg_gen_extr_i64_i32(lo, hi, t64);
2848     tcg_temp_free_i64(t64);
2849     gen_store_gpr(dc, rd | 1, lo);
2850     gen_store_gpr(dc, rd, hi);
2851 }
2852 
2853 static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr,
2854                          int insn, int rd)
2855 {
2856     DisasASI da = get_asi(dc, insn, MO_TEQ);
2857     TCGv lo = gen_load_gpr(dc, rd + 1);
2858     TCGv_i64 t64 = tcg_temp_new_i64();
2859 
2860     tcg_gen_concat_tl_i64(t64, lo, hi);
2861 
2862     switch (da.type) {
2863     case GET_ASI_EXCP:
2864         break;
2865     case GET_ASI_DIRECT:
2866         gen_address_mask(dc, addr);
2867         tcg_gen_qemu_st_i64(t64, addr, da.mem_idx, da.memop);
2868         break;
2869     case GET_ASI_BFILL:
2870         /* Store 32 bytes of T64 to ADDR.  */
2871         /* ??? The original qemu code suggests 8-byte alignment, dropping
2872            the low bits, but the only place I can see this used is in the
2873            Linux kernel with 32 byte alignment, which would make more sense
2874            as a cacheline-style operation.  */
2875         {
2876             TCGv d_addr = tcg_temp_new();
2877             TCGv eight = tcg_const_tl(8);
2878             int i;
2879 
2880             tcg_gen_andi_tl(d_addr, addr, -8);
2881             for (i = 0; i < 32; i += 8) {
2882                 tcg_gen_qemu_st_i64(t64, d_addr, da.mem_idx, da.memop);
2883                 tcg_gen_add_tl(d_addr, d_addr, eight);
2884             }
2885 
2886             tcg_temp_free(d_addr);
2887             tcg_temp_free(eight);
2888         }
2889         break;
2890     default:
2891         {
2892             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2893             TCGv_i32 r_mop = tcg_const_i32(MO_Q);
2894 
2895             save_state(dc);
2896             gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_mop);
2897             tcg_temp_free_i32(r_mop);
2898             tcg_temp_free_i32(r_asi);
2899         }
2900         break;
2901     }
2902 
2903     tcg_temp_free_i64(t64);
2904 }
2905 #endif
2906 
2907 static TCGv get_src1(DisasContext *dc, unsigned int insn)
2908 {
2909     unsigned int rs1 = GET_FIELD(insn, 13, 17);
2910     return gen_load_gpr(dc, rs1);
2911 }
2912 
2913 static TCGv get_src2(DisasContext *dc, unsigned int insn)
2914 {
2915     if (IS_IMM) { /* immediate */
2916         target_long simm = GET_FIELDs(insn, 19, 31);
2917         TCGv t = get_temp_tl(dc);
2918         tcg_gen_movi_tl(t, simm);
2919         return t;
2920     } else {      /* register */
2921         unsigned int rs2 = GET_FIELD(insn, 27, 31);
2922         return gen_load_gpr(dc, rs2);
2923     }
2924 }
2925 
2926 #ifdef TARGET_SPARC64
2927 static void gen_fmovs(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2928 {
2929     TCGv_i32 c32, zero, dst, s1, s2;
2930 
2931     /* We have two choices here: extend the 32 bit data and use movcond_i64,
2932        or fold the comparison down to 32 bits and use movcond_i32.  Choose
2933        the later.  */
2934     c32 = tcg_temp_new_i32();
2935     if (cmp->is_bool) {
2936         tcg_gen_extrl_i64_i32(c32, cmp->c1);
2937     } else {
2938         TCGv_i64 c64 = tcg_temp_new_i64();
2939         tcg_gen_setcond_i64(cmp->cond, c64, cmp->c1, cmp->c2);
2940         tcg_gen_extrl_i64_i32(c32, c64);
2941         tcg_temp_free_i64(c64);
2942     }
2943 
2944     s1 = gen_load_fpr_F(dc, rs);
2945     s2 = gen_load_fpr_F(dc, rd);
2946     dst = gen_dest_fpr_F(dc);
2947     zero = tcg_const_i32(0);
2948 
2949     tcg_gen_movcond_i32(TCG_COND_NE, dst, c32, zero, s1, s2);
2950 
2951     tcg_temp_free_i32(c32);
2952     tcg_temp_free_i32(zero);
2953     gen_store_fpr_F(dc, rd, dst);
2954 }
2955 
2956 static void gen_fmovd(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2957 {
2958     TCGv_i64 dst = gen_dest_fpr_D(dc, rd);
2959     tcg_gen_movcond_i64(cmp->cond, dst, cmp->c1, cmp->c2,
2960                         gen_load_fpr_D(dc, rs),
2961                         gen_load_fpr_D(dc, rd));
2962     gen_store_fpr_D(dc, rd, dst);
2963 }
2964 
2965 static void gen_fmovq(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2966 {
2967     int qd = QFPREG(rd);
2968     int qs = QFPREG(rs);
2969 
2970     tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2], cmp->c1, cmp->c2,
2971                         cpu_fpr[qs / 2], cpu_fpr[qd / 2]);
2972     tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2 + 1], cmp->c1, cmp->c2,
2973                         cpu_fpr[qs / 2 + 1], cpu_fpr[qd / 2 + 1]);
2974 
2975     gen_update_fprs_dirty(dc, qd);
2976 }
2977 
2978 #ifndef CONFIG_USER_ONLY
2979 static inline void gen_load_trap_state_at_tl(TCGv_ptr r_tsptr, TCGv_env cpu_env)
2980 {
2981     TCGv_i32 r_tl = tcg_temp_new_i32();
2982 
2983     /* load env->tl into r_tl */
2984     tcg_gen_ld_i32(r_tl, cpu_env, offsetof(CPUSPARCState, tl));
2985 
2986     /* tl = [0 ... MAXTL_MASK] where MAXTL_MASK must be power of 2 */
2987     tcg_gen_andi_i32(r_tl, r_tl, MAXTL_MASK);
2988 
2989     /* calculate offset to current trap state from env->ts, reuse r_tl */
2990     tcg_gen_muli_i32(r_tl, r_tl, sizeof (trap_state));
2991     tcg_gen_addi_ptr(r_tsptr, cpu_env, offsetof(CPUSPARCState, ts));
2992 
2993     /* tsptr = env->ts[env->tl & MAXTL_MASK] */
2994     {
2995         TCGv_ptr r_tl_tmp = tcg_temp_new_ptr();
2996         tcg_gen_ext_i32_ptr(r_tl_tmp, r_tl);
2997         tcg_gen_add_ptr(r_tsptr, r_tsptr, r_tl_tmp);
2998         tcg_temp_free_ptr(r_tl_tmp);
2999     }
3000 
3001     tcg_temp_free_i32(r_tl);
3002 }
3003 #endif
3004 
3005 static void gen_edge(DisasContext *dc, TCGv dst, TCGv s1, TCGv s2,
3006                      int width, bool cc, bool left)
3007 {
3008     TCGv lo1, lo2, t1, t2;
3009     uint64_t amask, tabl, tabr;
3010     int shift, imask, omask;
3011 
3012     if (cc) {
3013         tcg_gen_mov_tl(cpu_cc_src, s1);
3014         tcg_gen_mov_tl(cpu_cc_src2, s2);
3015         tcg_gen_sub_tl(cpu_cc_dst, s1, s2);
3016         tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
3017         dc->cc_op = CC_OP_SUB;
3018     }
3019 
3020     /* Theory of operation: there are two tables, left and right (not to
3021        be confused with the left and right versions of the opcode).  These
3022        are indexed by the low 3 bits of the inputs.  To make things "easy",
3023        these tables are loaded into two constants, TABL and TABR below.
3024        The operation index = (input & imask) << shift calculates the index
3025        into the constant, while val = (table >> index) & omask calculates
3026        the value we're looking for.  */
3027     switch (width) {
3028     case 8:
3029         imask = 0x7;
3030         shift = 3;
3031         omask = 0xff;
3032         if (left) {
3033             tabl = 0x80c0e0f0f8fcfeffULL;
3034             tabr = 0xff7f3f1f0f070301ULL;
3035         } else {
3036             tabl = 0x0103070f1f3f7fffULL;
3037             tabr = 0xfffefcf8f0e0c080ULL;
3038         }
3039         break;
3040     case 16:
3041         imask = 0x6;
3042         shift = 1;
3043         omask = 0xf;
3044         if (left) {
3045             tabl = 0x8cef;
3046             tabr = 0xf731;
3047         } else {
3048             tabl = 0x137f;
3049             tabr = 0xfec8;
3050         }
3051         break;
3052     case 32:
3053         imask = 0x4;
3054         shift = 0;
3055         omask = 0x3;
3056         if (left) {
3057             tabl = (2 << 2) | 3;
3058             tabr = (3 << 2) | 1;
3059         } else {
3060             tabl = (1 << 2) | 3;
3061             tabr = (3 << 2) | 2;
3062         }
3063         break;
3064     default:
3065         abort();
3066     }
3067 
3068     lo1 = tcg_temp_new();
3069     lo2 = tcg_temp_new();
3070     tcg_gen_andi_tl(lo1, s1, imask);
3071     tcg_gen_andi_tl(lo2, s2, imask);
3072     tcg_gen_shli_tl(lo1, lo1, shift);
3073     tcg_gen_shli_tl(lo2, lo2, shift);
3074 
3075     t1 = tcg_const_tl(tabl);
3076     t2 = tcg_const_tl(tabr);
3077     tcg_gen_shr_tl(lo1, t1, lo1);
3078     tcg_gen_shr_tl(lo2, t2, lo2);
3079     tcg_gen_andi_tl(dst, lo1, omask);
3080     tcg_gen_andi_tl(lo2, lo2, omask);
3081 
3082     amask = -8;
3083     if (AM_CHECK(dc)) {
3084         amask &= 0xffffffffULL;
3085     }
3086     tcg_gen_andi_tl(s1, s1, amask);
3087     tcg_gen_andi_tl(s2, s2, amask);
3088 
3089     /* We want to compute
3090         dst = (s1 == s2 ? lo1 : lo1 & lo2).
3091        We've already done dst = lo1, so this reduces to
3092         dst &= (s1 == s2 ? -1 : lo2)
3093        Which we perform by
3094         lo2 |= -(s1 == s2)
3095         dst &= lo2
3096     */
3097     tcg_gen_setcond_tl(TCG_COND_EQ, t1, s1, s2);
3098     tcg_gen_neg_tl(t1, t1);
3099     tcg_gen_or_tl(lo2, lo2, t1);
3100     tcg_gen_and_tl(dst, dst, lo2);
3101 
3102     tcg_temp_free(lo1);
3103     tcg_temp_free(lo2);
3104     tcg_temp_free(t1);
3105     tcg_temp_free(t2);
3106 }
3107 
3108 static void gen_alignaddr(TCGv dst, TCGv s1, TCGv s2, bool left)
3109 {
3110     TCGv tmp = tcg_temp_new();
3111 
3112     tcg_gen_add_tl(tmp, s1, s2);
3113     tcg_gen_andi_tl(dst, tmp, -8);
3114     if (left) {
3115         tcg_gen_neg_tl(tmp, tmp);
3116     }
3117     tcg_gen_deposit_tl(cpu_gsr, cpu_gsr, tmp, 0, 3);
3118 
3119     tcg_temp_free(tmp);
3120 }
3121 
3122 static void gen_faligndata(TCGv dst, TCGv gsr, TCGv s1, TCGv s2)
3123 {
3124     TCGv t1, t2, shift;
3125 
3126     t1 = tcg_temp_new();
3127     t2 = tcg_temp_new();
3128     shift = tcg_temp_new();
3129 
3130     tcg_gen_andi_tl(shift, gsr, 7);
3131     tcg_gen_shli_tl(shift, shift, 3);
3132     tcg_gen_shl_tl(t1, s1, shift);
3133 
3134     /* A shift of 64 does not produce 0 in TCG.  Divide this into a
3135        shift of (up to 63) followed by a constant shift of 1.  */
3136     tcg_gen_xori_tl(shift, shift, 63);
3137     tcg_gen_shr_tl(t2, s2, shift);
3138     tcg_gen_shri_tl(t2, t2, 1);
3139 
3140     tcg_gen_or_tl(dst, t1, t2);
3141 
3142     tcg_temp_free(t1);
3143     tcg_temp_free(t2);
3144     tcg_temp_free(shift);
3145 }
3146 #endif
3147 
3148 #define CHECK_IU_FEATURE(dc, FEATURE)                      \
3149     if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE))  \
3150         goto illegal_insn;
3151 #define CHECK_FPU_FEATURE(dc, FEATURE)                     \
3152     if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE))  \
3153         goto nfpu_insn;
3154 
3155 /* before an instruction, dc->pc must be static */
3156 static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
3157 {
3158     unsigned int opc, rs1, rs2, rd;
3159     TCGv cpu_src1, cpu_src2;
3160     TCGv_i32 cpu_src1_32, cpu_src2_32, cpu_dst_32;
3161     TCGv_i64 cpu_src1_64, cpu_src2_64, cpu_dst_64;
3162     target_long simm;
3163 
3164     opc = GET_FIELD(insn, 0, 1);
3165     rd = GET_FIELD(insn, 2, 6);
3166 
3167     switch (opc) {
3168     case 0:                     /* branches/sethi */
3169         {
3170             unsigned int xop = GET_FIELD(insn, 7, 9);
3171             int32_t target;
3172             switch (xop) {
3173 #ifdef TARGET_SPARC64
3174             case 0x1:           /* V9 BPcc */
3175                 {
3176                     int cc;
3177 
3178                     target = GET_FIELD_SP(insn, 0, 18);
3179                     target = sign_extend(target, 19);
3180                     target <<= 2;
3181                     cc = GET_FIELD_SP(insn, 20, 21);
3182                     if (cc == 0)
3183                         do_branch(dc, target, insn, 0);
3184                     else if (cc == 2)
3185                         do_branch(dc, target, insn, 1);
3186                     else
3187                         goto illegal_insn;
3188                     goto jmp_insn;
3189                 }
3190             case 0x3:           /* V9 BPr */
3191                 {
3192                     target = GET_FIELD_SP(insn, 0, 13) |
3193                         (GET_FIELD_SP(insn, 20, 21) << 14);
3194                     target = sign_extend(target, 16);
3195                     target <<= 2;
3196                     cpu_src1 = get_src1(dc, insn);
3197                     do_branch_reg(dc, target, insn, cpu_src1);
3198                     goto jmp_insn;
3199                 }
3200             case 0x5:           /* V9 FBPcc */
3201                 {
3202                     int cc = GET_FIELD_SP(insn, 20, 21);
3203                     if (gen_trap_ifnofpu(dc)) {
3204                         goto jmp_insn;
3205                     }
3206                     target = GET_FIELD_SP(insn, 0, 18);
3207                     target = sign_extend(target, 19);
3208                     target <<= 2;
3209                     do_fbranch(dc, target, insn, cc);
3210                     goto jmp_insn;
3211                 }
3212 #else
3213             case 0x7:           /* CBN+x */
3214                 {
3215                     goto ncp_insn;
3216                 }
3217 #endif
3218             case 0x2:           /* BN+x */
3219                 {
3220                     target = GET_FIELD(insn, 10, 31);
3221                     target = sign_extend(target, 22);
3222                     target <<= 2;
3223                     do_branch(dc, target, insn, 0);
3224                     goto jmp_insn;
3225                 }
3226             case 0x6:           /* FBN+x */
3227                 {
3228                     if (gen_trap_ifnofpu(dc)) {
3229                         goto jmp_insn;
3230                     }
3231                     target = GET_FIELD(insn, 10, 31);
3232                     target = sign_extend(target, 22);
3233                     target <<= 2;
3234                     do_fbranch(dc, target, insn, 0);
3235                     goto jmp_insn;
3236                 }
3237             case 0x4:           /* SETHI */
3238                 /* Special-case %g0 because that's the canonical nop.  */
3239                 if (rd) {
3240                     uint32_t value = GET_FIELD(insn, 10, 31);
3241                     TCGv t = gen_dest_gpr(dc, rd);
3242                     tcg_gen_movi_tl(t, value << 10);
3243                     gen_store_gpr(dc, rd, t);
3244                 }
3245                 break;
3246             case 0x0:           /* UNIMPL */
3247             default:
3248                 goto illegal_insn;
3249             }
3250             break;
3251         }
3252         break;
3253     case 1:                     /*CALL*/
3254         {
3255             target_long target = GET_FIELDs(insn, 2, 31) << 2;
3256             TCGv o7 = gen_dest_gpr(dc, 15);
3257 
3258             tcg_gen_movi_tl(o7, dc->pc);
3259             gen_store_gpr(dc, 15, o7);
3260             target += dc->pc;
3261             gen_mov_pc_npc(dc);
3262 #ifdef TARGET_SPARC64
3263             if (unlikely(AM_CHECK(dc))) {
3264                 target &= 0xffffffffULL;
3265             }
3266 #endif
3267             dc->npc = target;
3268         }
3269         goto jmp_insn;
3270     case 2:                     /* FPU & Logical Operations */
3271         {
3272             unsigned int xop = GET_FIELD(insn, 7, 12);
3273             TCGv cpu_dst = get_temp_tl(dc);
3274             TCGv cpu_tmp0;
3275 
3276             if (xop == 0x3a) {  /* generate trap */
3277                 int cond = GET_FIELD(insn, 3, 6);
3278                 TCGv_i32 trap;
3279                 TCGLabel *l1 = NULL;
3280                 int mask;
3281 
3282                 if (cond == 0) {
3283                     /* Trap never.  */
3284                     break;
3285                 }
3286 
3287                 save_state(dc);
3288 
3289                 if (cond != 8) {
3290                     /* Conditional trap.  */
3291                     DisasCompare cmp;
3292 #ifdef TARGET_SPARC64
3293                     /* V9 icc/xcc */
3294                     int cc = GET_FIELD_SP(insn, 11, 12);
3295                     if (cc == 0) {
3296                         gen_compare(&cmp, 0, cond, dc);
3297                     } else if (cc == 2) {
3298                         gen_compare(&cmp, 1, cond, dc);
3299                     } else {
3300                         goto illegal_insn;
3301                     }
3302 #else
3303                     gen_compare(&cmp, 0, cond, dc);
3304 #endif
3305                     l1 = gen_new_label();
3306                     tcg_gen_brcond_tl(tcg_invert_cond(cmp.cond),
3307                                       cmp.c1, cmp.c2, l1);
3308                     free_compare(&cmp);
3309                 }
3310 
3311                 mask = ((dc->def->features & CPU_FEATURE_HYPV) && supervisor(dc)
3312                         ? UA2005_HTRAP_MASK : V8_TRAP_MASK);
3313 
3314                 /* Don't use the normal temporaries, as they may well have
3315                    gone out of scope with the branch above.  While we're
3316                    doing that we might as well pre-truncate to 32-bit.  */
3317                 trap = tcg_temp_new_i32();
3318 
3319                 rs1 = GET_FIELD_SP(insn, 14, 18);
3320                 if (IS_IMM) {
3321                     rs2 = GET_FIELD_SP(insn, 0, 7);
3322                     if (rs1 == 0) {
3323                         tcg_gen_movi_i32(trap, (rs2 & mask) + TT_TRAP);
3324                         /* Signal that the trap value is fully constant.  */
3325                         mask = 0;
3326                     } else {
3327                         TCGv t1 = gen_load_gpr(dc, rs1);
3328                         tcg_gen_trunc_tl_i32(trap, t1);
3329                         tcg_gen_addi_i32(trap, trap, rs2);
3330                     }
3331                 } else {
3332                     TCGv t1, t2;
3333                     rs2 = GET_FIELD_SP(insn, 0, 4);
3334                     t1 = gen_load_gpr(dc, rs1);
3335                     t2 = gen_load_gpr(dc, rs2);
3336                     tcg_gen_add_tl(t1, t1, t2);
3337                     tcg_gen_trunc_tl_i32(trap, t1);
3338                 }
3339                 if (mask != 0) {
3340                     tcg_gen_andi_i32(trap, trap, mask);
3341                     tcg_gen_addi_i32(trap, trap, TT_TRAP);
3342                 }
3343 
3344                 gen_helper_raise_exception(cpu_env, trap);
3345                 tcg_temp_free_i32(trap);
3346 
3347                 if (cond == 8) {
3348                     /* An unconditional trap ends the TB.  */
3349                     dc->is_br = 1;
3350                     goto jmp_insn;
3351                 } else {
3352                     /* A conditional trap falls through to the next insn.  */
3353                     gen_set_label(l1);
3354                     break;
3355                 }
3356             } else if (xop == 0x28) {
3357                 rs1 = GET_FIELD(insn, 13, 17);
3358                 switch(rs1) {
3359                 case 0: /* rdy */
3360 #ifndef TARGET_SPARC64
3361                 case 0x01 ... 0x0e: /* undefined in the SPARCv8
3362                                        manual, rdy on the microSPARC
3363                                        II */
3364                 case 0x0f:          /* stbar in the SPARCv8 manual,
3365                                        rdy on the microSPARC II */
3366                 case 0x10 ... 0x1f: /* implementation-dependent in the
3367                                        SPARCv8 manual, rdy on the
3368                                        microSPARC II */
3369                     /* Read Asr17 */
3370                     if (rs1 == 0x11 && dc->def->features & CPU_FEATURE_ASR17) {
3371                         TCGv t = gen_dest_gpr(dc, rd);
3372                         /* Read Asr17 for a Leon3 monoprocessor */
3373                         tcg_gen_movi_tl(t, (1 << 8) | (dc->def->nwindows - 1));
3374                         gen_store_gpr(dc, rd, t);
3375                         break;
3376                     }
3377 #endif
3378                     gen_store_gpr(dc, rd, cpu_y);
3379                     break;
3380 #ifdef TARGET_SPARC64
3381                 case 0x2: /* V9 rdccr */
3382                     update_psr(dc);
3383                     gen_helper_rdccr(cpu_dst, cpu_env);
3384                     gen_store_gpr(dc, rd, cpu_dst);
3385                     break;
3386                 case 0x3: /* V9 rdasi */
3387                     tcg_gen_movi_tl(cpu_dst, dc->asi);
3388                     gen_store_gpr(dc, rd, cpu_dst);
3389                     break;
3390                 case 0x4: /* V9 rdtick */
3391                     {
3392                         TCGv_ptr r_tickptr;
3393                         TCGv_i32 r_const;
3394 
3395                         r_tickptr = tcg_temp_new_ptr();
3396                         r_const = tcg_const_i32(dc->mem_idx);
3397                         tcg_gen_ld_ptr(r_tickptr, cpu_env,
3398                                        offsetof(CPUSPARCState, tick));
3399                         gen_helper_tick_get_count(cpu_dst, cpu_env, r_tickptr,
3400                                                   r_const);
3401                         tcg_temp_free_ptr(r_tickptr);
3402                         tcg_temp_free_i32(r_const);
3403                         gen_store_gpr(dc, rd, cpu_dst);
3404                     }
3405                     break;
3406                 case 0x5: /* V9 rdpc */
3407                     {
3408                         TCGv t = gen_dest_gpr(dc, rd);
3409                         if (unlikely(AM_CHECK(dc))) {
3410                             tcg_gen_movi_tl(t, dc->pc & 0xffffffffULL);
3411                         } else {
3412                             tcg_gen_movi_tl(t, dc->pc);
3413                         }
3414                         gen_store_gpr(dc, rd, t);
3415                     }
3416                     break;
3417                 case 0x6: /* V9 rdfprs */
3418                     tcg_gen_ext_i32_tl(cpu_dst, cpu_fprs);
3419                     gen_store_gpr(dc, rd, cpu_dst);
3420                     break;
3421                 case 0xf: /* V9 membar */
3422                     break; /* no effect */
3423                 case 0x13: /* Graphics Status */
3424                     if (gen_trap_ifnofpu(dc)) {
3425                         goto jmp_insn;
3426                     }
3427                     gen_store_gpr(dc, rd, cpu_gsr);
3428                     break;
3429                 case 0x16: /* Softint */
3430                     tcg_gen_ld32s_tl(cpu_dst, cpu_env,
3431                                      offsetof(CPUSPARCState, softint));
3432                     gen_store_gpr(dc, rd, cpu_dst);
3433                     break;
3434                 case 0x17: /* Tick compare */
3435                     gen_store_gpr(dc, rd, cpu_tick_cmpr);
3436                     break;
3437                 case 0x18: /* System tick */
3438                     {
3439                         TCGv_ptr r_tickptr;
3440                         TCGv_i32 r_const;
3441 
3442                         r_tickptr = tcg_temp_new_ptr();
3443                         r_const = tcg_const_i32(dc->mem_idx);
3444                         tcg_gen_ld_ptr(r_tickptr, cpu_env,
3445                                        offsetof(CPUSPARCState, stick));
3446                         gen_helper_tick_get_count(cpu_dst, cpu_env, r_tickptr,
3447                                                   r_const);
3448                         tcg_temp_free_ptr(r_tickptr);
3449                         tcg_temp_free_i32(r_const);
3450                         gen_store_gpr(dc, rd, cpu_dst);
3451                     }
3452                     break;
3453                 case 0x19: /* System tick compare */
3454                     gen_store_gpr(dc, rd, cpu_stick_cmpr);
3455                     break;
3456                 case 0x1a: /* UltraSPARC-T1 Strand status */
3457                     /* XXX HYPV check maybe not enough, UA2005 & UA2007 describe
3458                      * this ASR as impl. dep
3459                      */
3460                     CHECK_IU_FEATURE(dc, HYPV);
3461                     {
3462                         TCGv t = gen_dest_gpr(dc, rd);
3463                         tcg_gen_movi_tl(t, 1UL);
3464                         gen_store_gpr(dc, rd, t);
3465                     }
3466                     break;
3467                 case 0x10: /* Performance Control */
3468                 case 0x11: /* Performance Instrumentation Counter */
3469                 case 0x12: /* Dispatch Control */
3470                 case 0x14: /* Softint set, WO */
3471                 case 0x15: /* Softint clear, WO */
3472 #endif
3473                 default:
3474                     goto illegal_insn;
3475                 }
3476 #if !defined(CONFIG_USER_ONLY)
3477             } else if (xop == 0x29) { /* rdpsr / UA2005 rdhpr */
3478 #ifndef TARGET_SPARC64
3479                 if (!supervisor(dc)) {
3480                     goto priv_insn;
3481                 }
3482                 update_psr(dc);
3483                 gen_helper_rdpsr(cpu_dst, cpu_env);
3484 #else
3485                 CHECK_IU_FEATURE(dc, HYPV);
3486                 if (!hypervisor(dc))
3487                     goto priv_insn;
3488                 rs1 = GET_FIELD(insn, 13, 17);
3489                 switch (rs1) {
3490                 case 0: // hpstate
3491                     tcg_gen_ld_i64(cpu_dst, cpu_env,
3492                                    offsetof(CPUSPARCState, hpstate));
3493                     break;
3494                 case 1: // htstate
3495                     // gen_op_rdhtstate();
3496                     break;
3497                 case 3: // hintp
3498                     tcg_gen_mov_tl(cpu_dst, cpu_hintp);
3499                     break;
3500                 case 5: // htba
3501                     tcg_gen_mov_tl(cpu_dst, cpu_htba);
3502                     break;
3503                 case 6: // hver
3504                     tcg_gen_mov_tl(cpu_dst, cpu_hver);
3505                     break;
3506                 case 31: // hstick_cmpr
3507                     tcg_gen_mov_tl(cpu_dst, cpu_hstick_cmpr);
3508                     break;
3509                 default:
3510                     goto illegal_insn;
3511                 }
3512 #endif
3513                 gen_store_gpr(dc, rd, cpu_dst);
3514                 break;
3515             } else if (xop == 0x2a) { /* rdwim / V9 rdpr */
3516                 if (!supervisor(dc)) {
3517                     goto priv_insn;
3518                 }
3519                 cpu_tmp0 = get_temp_tl(dc);
3520 #ifdef TARGET_SPARC64
3521                 rs1 = GET_FIELD(insn, 13, 17);
3522                 switch (rs1) {
3523                 case 0: // tpc
3524                     {
3525                         TCGv_ptr r_tsptr;
3526 
3527                         r_tsptr = tcg_temp_new_ptr();
3528                         gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3529                         tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
3530                                       offsetof(trap_state, tpc));
3531                         tcg_temp_free_ptr(r_tsptr);
3532                     }
3533                     break;
3534                 case 1: // tnpc
3535                     {
3536                         TCGv_ptr r_tsptr;
3537 
3538                         r_tsptr = tcg_temp_new_ptr();
3539                         gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3540                         tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
3541                                       offsetof(trap_state, tnpc));
3542                         tcg_temp_free_ptr(r_tsptr);
3543                     }
3544                     break;
3545                 case 2: // tstate
3546                     {
3547                         TCGv_ptr r_tsptr;
3548 
3549                         r_tsptr = tcg_temp_new_ptr();
3550                         gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3551                         tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
3552                                       offsetof(trap_state, tstate));
3553                         tcg_temp_free_ptr(r_tsptr);
3554                     }
3555                     break;
3556                 case 3: // tt
3557                     {
3558                         TCGv_ptr r_tsptr = tcg_temp_new_ptr();
3559 
3560                         gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3561                         tcg_gen_ld32s_tl(cpu_tmp0, r_tsptr,
3562                                          offsetof(trap_state, tt));
3563                         tcg_temp_free_ptr(r_tsptr);
3564                     }
3565                     break;
3566                 case 4: // tick
3567                     {
3568                         TCGv_ptr r_tickptr;
3569                         TCGv_i32 r_const;
3570 
3571                         r_tickptr = tcg_temp_new_ptr();
3572                         r_const = tcg_const_i32(dc->mem_idx);
3573                         tcg_gen_ld_ptr(r_tickptr, cpu_env,
3574                                        offsetof(CPUSPARCState, tick));
3575                         gen_helper_tick_get_count(cpu_tmp0, cpu_env,
3576                                                   r_tickptr, r_const);
3577                         tcg_temp_free_ptr(r_tickptr);
3578                         tcg_temp_free_i32(r_const);
3579                     }
3580                     break;
3581                 case 5: // tba
3582                     tcg_gen_mov_tl(cpu_tmp0, cpu_tbr);
3583                     break;
3584                 case 6: // pstate
3585                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3586                                      offsetof(CPUSPARCState, pstate));
3587                     break;
3588                 case 7: // tl
3589                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3590                                      offsetof(CPUSPARCState, tl));
3591                     break;
3592                 case 8: // pil
3593                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3594                                      offsetof(CPUSPARCState, psrpil));
3595                     break;
3596                 case 9: // cwp
3597                     gen_helper_rdcwp(cpu_tmp0, cpu_env);
3598                     break;
3599                 case 10: // cansave
3600                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3601                                      offsetof(CPUSPARCState, cansave));
3602                     break;
3603                 case 11: // canrestore
3604                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3605                                      offsetof(CPUSPARCState, canrestore));
3606                     break;
3607                 case 12: // cleanwin
3608                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3609                                      offsetof(CPUSPARCState, cleanwin));
3610                     break;
3611                 case 13: // otherwin
3612                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3613                                      offsetof(CPUSPARCState, otherwin));
3614                     break;
3615                 case 14: // wstate
3616                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3617                                      offsetof(CPUSPARCState, wstate));
3618                     break;
3619                 case 16: // UA2005 gl
3620                     CHECK_IU_FEATURE(dc, GL);
3621                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3622                                      offsetof(CPUSPARCState, gl));
3623                     break;
3624                 case 26: // UA2005 strand status
3625                     CHECK_IU_FEATURE(dc, HYPV);
3626                     if (!hypervisor(dc))
3627                         goto priv_insn;
3628                     tcg_gen_mov_tl(cpu_tmp0, cpu_ssr);
3629                     break;
3630                 case 31: // ver
3631                     tcg_gen_mov_tl(cpu_tmp0, cpu_ver);
3632                     break;
3633                 case 15: // fq
3634                 default:
3635                     goto illegal_insn;
3636                 }
3637 #else
3638                 tcg_gen_ext_i32_tl(cpu_tmp0, cpu_wim);
3639 #endif
3640                 gen_store_gpr(dc, rd, cpu_tmp0);
3641                 break;
3642             } else if (xop == 0x2b) { /* rdtbr / V9 flushw */
3643 #ifdef TARGET_SPARC64
3644                 gen_helper_flushw(cpu_env);
3645 #else
3646                 if (!supervisor(dc))
3647                     goto priv_insn;
3648                 gen_store_gpr(dc, rd, cpu_tbr);
3649 #endif
3650                 break;
3651 #endif
3652             } else if (xop == 0x34) {   /* FPU Operations */
3653                 if (gen_trap_ifnofpu(dc)) {
3654                     goto jmp_insn;
3655                 }
3656                 gen_op_clear_ieee_excp_and_FTT();
3657                 rs1 = GET_FIELD(insn, 13, 17);
3658                 rs2 = GET_FIELD(insn, 27, 31);
3659                 xop = GET_FIELD(insn, 18, 26);
3660 
3661                 switch (xop) {
3662                 case 0x1: /* fmovs */
3663                     cpu_src1_32 = gen_load_fpr_F(dc, rs2);
3664                     gen_store_fpr_F(dc, rd, cpu_src1_32);
3665                     break;
3666                 case 0x5: /* fnegs */
3667                     gen_ne_fop_FF(dc, rd, rs2, gen_helper_fnegs);
3668                     break;
3669                 case 0x9: /* fabss */
3670                     gen_ne_fop_FF(dc, rd, rs2, gen_helper_fabss);
3671                     break;
3672                 case 0x29: /* fsqrts */
3673                     CHECK_FPU_FEATURE(dc, FSQRT);
3674                     gen_fop_FF(dc, rd, rs2, gen_helper_fsqrts);
3675                     break;
3676                 case 0x2a: /* fsqrtd */
3677                     CHECK_FPU_FEATURE(dc, FSQRT);
3678                     gen_fop_DD(dc, rd, rs2, gen_helper_fsqrtd);
3679                     break;
3680                 case 0x2b: /* fsqrtq */
3681                     CHECK_FPU_FEATURE(dc, FLOAT128);
3682                     gen_fop_QQ(dc, rd, rs2, gen_helper_fsqrtq);
3683                     break;
3684                 case 0x41: /* fadds */
3685                     gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fadds);
3686                     break;
3687                 case 0x42: /* faddd */
3688                     gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_faddd);
3689                     break;
3690                 case 0x43: /* faddq */
3691                     CHECK_FPU_FEATURE(dc, FLOAT128);
3692                     gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_faddq);
3693                     break;
3694                 case 0x45: /* fsubs */
3695                     gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fsubs);
3696                     break;
3697                 case 0x46: /* fsubd */
3698                     gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fsubd);
3699                     break;
3700                 case 0x47: /* fsubq */
3701                     CHECK_FPU_FEATURE(dc, FLOAT128);
3702                     gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fsubq);
3703                     break;
3704                 case 0x49: /* fmuls */
3705                     CHECK_FPU_FEATURE(dc, FMUL);
3706                     gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fmuls);
3707                     break;
3708                 case 0x4a: /* fmuld */
3709                     CHECK_FPU_FEATURE(dc, FMUL);
3710                     gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld);
3711                     break;
3712                 case 0x4b: /* fmulq */
3713                     CHECK_FPU_FEATURE(dc, FLOAT128);
3714                     CHECK_FPU_FEATURE(dc, FMUL);
3715                     gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fmulq);
3716                     break;
3717                 case 0x4d: /* fdivs */
3718                     gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fdivs);
3719                     break;
3720                 case 0x4e: /* fdivd */
3721                     gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fdivd);
3722                     break;
3723                 case 0x4f: /* fdivq */
3724                     CHECK_FPU_FEATURE(dc, FLOAT128);
3725                     gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fdivq);
3726                     break;
3727                 case 0x69: /* fsmuld */
3728                     CHECK_FPU_FEATURE(dc, FSMULD);
3729                     gen_fop_DFF(dc, rd, rs1, rs2, gen_helper_fsmuld);
3730                     break;
3731                 case 0x6e: /* fdmulq */
3732                     CHECK_FPU_FEATURE(dc, FLOAT128);
3733                     gen_fop_QDD(dc, rd, rs1, rs2, gen_helper_fdmulq);
3734                     break;
3735                 case 0xc4: /* fitos */
3736                     gen_fop_FF(dc, rd, rs2, gen_helper_fitos);
3737                     break;
3738                 case 0xc6: /* fdtos */
3739                     gen_fop_FD(dc, rd, rs2, gen_helper_fdtos);
3740                     break;
3741                 case 0xc7: /* fqtos */
3742                     CHECK_FPU_FEATURE(dc, FLOAT128);
3743                     gen_fop_FQ(dc, rd, rs2, gen_helper_fqtos);
3744                     break;
3745                 case 0xc8: /* fitod */
3746                     gen_ne_fop_DF(dc, rd, rs2, gen_helper_fitod);
3747                     break;
3748                 case 0xc9: /* fstod */
3749                     gen_ne_fop_DF(dc, rd, rs2, gen_helper_fstod);
3750                     break;
3751                 case 0xcb: /* fqtod */
3752                     CHECK_FPU_FEATURE(dc, FLOAT128);
3753                     gen_fop_DQ(dc, rd, rs2, gen_helper_fqtod);
3754                     break;
3755                 case 0xcc: /* fitoq */
3756                     CHECK_FPU_FEATURE(dc, FLOAT128);
3757                     gen_ne_fop_QF(dc, rd, rs2, gen_helper_fitoq);
3758                     break;
3759                 case 0xcd: /* fstoq */
3760                     CHECK_FPU_FEATURE(dc, FLOAT128);
3761                     gen_ne_fop_QF(dc, rd, rs2, gen_helper_fstoq);
3762                     break;
3763                 case 0xce: /* fdtoq */
3764                     CHECK_FPU_FEATURE(dc, FLOAT128);
3765                     gen_ne_fop_QD(dc, rd, rs2, gen_helper_fdtoq);
3766                     break;
3767                 case 0xd1: /* fstoi */
3768                     gen_fop_FF(dc, rd, rs2, gen_helper_fstoi);
3769                     break;
3770                 case 0xd2: /* fdtoi */
3771                     gen_fop_FD(dc, rd, rs2, gen_helper_fdtoi);
3772                     break;
3773                 case 0xd3: /* fqtoi */
3774                     CHECK_FPU_FEATURE(dc, FLOAT128);
3775                     gen_fop_FQ(dc, rd, rs2, gen_helper_fqtoi);
3776                     break;
3777 #ifdef TARGET_SPARC64
3778                 case 0x2: /* V9 fmovd */
3779                     cpu_src1_64 = gen_load_fpr_D(dc, rs2);
3780                     gen_store_fpr_D(dc, rd, cpu_src1_64);
3781                     break;
3782                 case 0x3: /* V9 fmovq */
3783                     CHECK_FPU_FEATURE(dc, FLOAT128);
3784                     gen_move_Q(dc, rd, rs2);
3785                     break;
3786                 case 0x6: /* V9 fnegd */
3787                     gen_ne_fop_DD(dc, rd, rs2, gen_helper_fnegd);
3788                     break;
3789                 case 0x7: /* V9 fnegq */
3790                     CHECK_FPU_FEATURE(dc, FLOAT128);
3791                     gen_ne_fop_QQ(dc, rd, rs2, gen_helper_fnegq);
3792                     break;
3793                 case 0xa: /* V9 fabsd */
3794                     gen_ne_fop_DD(dc, rd, rs2, gen_helper_fabsd);
3795                     break;
3796                 case 0xb: /* V9 fabsq */
3797                     CHECK_FPU_FEATURE(dc, FLOAT128);
3798                     gen_ne_fop_QQ(dc, rd, rs2, gen_helper_fabsq);
3799                     break;
3800                 case 0x81: /* V9 fstox */
3801                     gen_fop_DF(dc, rd, rs2, gen_helper_fstox);
3802                     break;
3803                 case 0x82: /* V9 fdtox */
3804                     gen_fop_DD(dc, rd, rs2, gen_helper_fdtox);
3805                     break;
3806                 case 0x83: /* V9 fqtox */
3807                     CHECK_FPU_FEATURE(dc, FLOAT128);
3808                     gen_fop_DQ(dc, rd, rs2, gen_helper_fqtox);
3809                     break;
3810                 case 0x84: /* V9 fxtos */
3811                     gen_fop_FD(dc, rd, rs2, gen_helper_fxtos);
3812                     break;
3813                 case 0x88: /* V9 fxtod */
3814                     gen_fop_DD(dc, rd, rs2, gen_helper_fxtod);
3815                     break;
3816                 case 0x8c: /* V9 fxtoq */
3817                     CHECK_FPU_FEATURE(dc, FLOAT128);
3818                     gen_ne_fop_QD(dc, rd, rs2, gen_helper_fxtoq);
3819                     break;
3820 #endif
3821                 default:
3822                     goto illegal_insn;
3823                 }
3824             } else if (xop == 0x35) {   /* FPU Operations */
3825 #ifdef TARGET_SPARC64
3826                 int cond;
3827 #endif
3828                 if (gen_trap_ifnofpu(dc)) {
3829                     goto jmp_insn;
3830                 }
3831                 gen_op_clear_ieee_excp_and_FTT();
3832                 rs1 = GET_FIELD(insn, 13, 17);
3833                 rs2 = GET_FIELD(insn, 27, 31);
3834                 xop = GET_FIELD(insn, 18, 26);
3835 
3836 #ifdef TARGET_SPARC64
3837 #define FMOVR(sz)                                                  \
3838                 do {                                               \
3839                     DisasCompare cmp;                              \
3840                     cond = GET_FIELD_SP(insn, 10, 12);             \
3841                     cpu_src1 = get_src1(dc, insn);                 \
3842                     gen_compare_reg(&cmp, cond, cpu_src1);         \
3843                     gen_fmov##sz(dc, &cmp, rd, rs2);               \
3844                     free_compare(&cmp);                            \
3845                 } while (0)
3846 
3847                 if ((xop & 0x11f) == 0x005) { /* V9 fmovsr */
3848                     FMOVR(s);
3849                     break;
3850                 } else if ((xop & 0x11f) == 0x006) { // V9 fmovdr
3851                     FMOVR(d);
3852                     break;
3853                 } else if ((xop & 0x11f) == 0x007) { // V9 fmovqr
3854                     CHECK_FPU_FEATURE(dc, FLOAT128);
3855                     FMOVR(q);
3856                     break;
3857                 }
3858 #undef FMOVR
3859 #endif
3860                 switch (xop) {
3861 #ifdef TARGET_SPARC64
3862 #define FMOVCC(fcc, sz)                                                 \
3863                     do {                                                \
3864                         DisasCompare cmp;                               \
3865                         cond = GET_FIELD_SP(insn, 14, 17);              \
3866                         gen_fcompare(&cmp, fcc, cond);                  \
3867                         gen_fmov##sz(dc, &cmp, rd, rs2);                \
3868                         free_compare(&cmp);                             \
3869                     } while (0)
3870 
3871                     case 0x001: /* V9 fmovscc %fcc0 */
3872                         FMOVCC(0, s);
3873                         break;
3874                     case 0x002: /* V9 fmovdcc %fcc0 */
3875                         FMOVCC(0, d);
3876                         break;
3877                     case 0x003: /* V9 fmovqcc %fcc0 */
3878                         CHECK_FPU_FEATURE(dc, FLOAT128);
3879                         FMOVCC(0, q);
3880                         break;
3881                     case 0x041: /* V9 fmovscc %fcc1 */
3882                         FMOVCC(1, s);
3883                         break;
3884                     case 0x042: /* V9 fmovdcc %fcc1 */
3885                         FMOVCC(1, d);
3886                         break;
3887                     case 0x043: /* V9 fmovqcc %fcc1 */
3888                         CHECK_FPU_FEATURE(dc, FLOAT128);
3889                         FMOVCC(1, q);
3890                         break;
3891                     case 0x081: /* V9 fmovscc %fcc2 */
3892                         FMOVCC(2, s);
3893                         break;
3894                     case 0x082: /* V9 fmovdcc %fcc2 */
3895                         FMOVCC(2, d);
3896                         break;
3897                     case 0x083: /* V9 fmovqcc %fcc2 */
3898                         CHECK_FPU_FEATURE(dc, FLOAT128);
3899                         FMOVCC(2, q);
3900                         break;
3901                     case 0x0c1: /* V9 fmovscc %fcc3 */
3902                         FMOVCC(3, s);
3903                         break;
3904                     case 0x0c2: /* V9 fmovdcc %fcc3 */
3905                         FMOVCC(3, d);
3906                         break;
3907                     case 0x0c3: /* V9 fmovqcc %fcc3 */
3908                         CHECK_FPU_FEATURE(dc, FLOAT128);
3909                         FMOVCC(3, q);
3910                         break;
3911 #undef FMOVCC
3912 #define FMOVCC(xcc, sz)                                                 \
3913                     do {                                                \
3914                         DisasCompare cmp;                               \
3915                         cond = GET_FIELD_SP(insn, 14, 17);              \
3916                         gen_compare(&cmp, xcc, cond, dc);               \
3917                         gen_fmov##sz(dc, &cmp, rd, rs2);                \
3918                         free_compare(&cmp);                             \
3919                     } while (0)
3920 
3921                     case 0x101: /* V9 fmovscc %icc */
3922                         FMOVCC(0, s);
3923                         break;
3924                     case 0x102: /* V9 fmovdcc %icc */
3925                         FMOVCC(0, d);
3926                         break;
3927                     case 0x103: /* V9 fmovqcc %icc */
3928                         CHECK_FPU_FEATURE(dc, FLOAT128);
3929                         FMOVCC(0, q);
3930                         break;
3931                     case 0x181: /* V9 fmovscc %xcc */
3932                         FMOVCC(1, s);
3933                         break;
3934                     case 0x182: /* V9 fmovdcc %xcc */
3935                         FMOVCC(1, d);
3936                         break;
3937                     case 0x183: /* V9 fmovqcc %xcc */
3938                         CHECK_FPU_FEATURE(dc, FLOAT128);
3939                         FMOVCC(1, q);
3940                         break;
3941 #undef FMOVCC
3942 #endif
3943                     case 0x51: /* fcmps, V9 %fcc */
3944                         cpu_src1_32 = gen_load_fpr_F(dc, rs1);
3945                         cpu_src2_32 = gen_load_fpr_F(dc, rs2);
3946                         gen_op_fcmps(rd & 3, cpu_src1_32, cpu_src2_32);
3947                         break;
3948                     case 0x52: /* fcmpd, V9 %fcc */
3949                         cpu_src1_64 = gen_load_fpr_D(dc, rs1);
3950                         cpu_src2_64 = gen_load_fpr_D(dc, rs2);
3951                         gen_op_fcmpd(rd & 3, cpu_src1_64, cpu_src2_64);
3952                         break;
3953                     case 0x53: /* fcmpq, V9 %fcc */
3954                         CHECK_FPU_FEATURE(dc, FLOAT128);
3955                         gen_op_load_fpr_QT0(QFPREG(rs1));
3956                         gen_op_load_fpr_QT1(QFPREG(rs2));
3957                         gen_op_fcmpq(rd & 3);
3958                         break;
3959                     case 0x55: /* fcmpes, V9 %fcc */
3960                         cpu_src1_32 = gen_load_fpr_F(dc, rs1);
3961                         cpu_src2_32 = gen_load_fpr_F(dc, rs2);
3962                         gen_op_fcmpes(rd & 3, cpu_src1_32, cpu_src2_32);
3963                         break;
3964                     case 0x56: /* fcmped, V9 %fcc */
3965                         cpu_src1_64 = gen_load_fpr_D(dc, rs1);
3966                         cpu_src2_64 = gen_load_fpr_D(dc, rs2);
3967                         gen_op_fcmped(rd & 3, cpu_src1_64, cpu_src2_64);
3968                         break;
3969                     case 0x57: /* fcmpeq, V9 %fcc */
3970                         CHECK_FPU_FEATURE(dc, FLOAT128);
3971                         gen_op_load_fpr_QT0(QFPREG(rs1));
3972                         gen_op_load_fpr_QT1(QFPREG(rs2));
3973                         gen_op_fcmpeq(rd & 3);
3974                         break;
3975                     default:
3976                         goto illegal_insn;
3977                 }
3978             } else if (xop == 0x2) {
3979                 TCGv dst = gen_dest_gpr(dc, rd);
3980                 rs1 = GET_FIELD(insn, 13, 17);
3981                 if (rs1 == 0) {
3982                     /* clr/mov shortcut : or %g0, x, y -> mov x, y */
3983                     if (IS_IMM) {       /* immediate */
3984                         simm = GET_FIELDs(insn, 19, 31);
3985                         tcg_gen_movi_tl(dst, simm);
3986                         gen_store_gpr(dc, rd, dst);
3987                     } else {            /* register */
3988                         rs2 = GET_FIELD(insn, 27, 31);
3989                         if (rs2 == 0) {
3990                             tcg_gen_movi_tl(dst, 0);
3991                             gen_store_gpr(dc, rd, dst);
3992                         } else {
3993                             cpu_src2 = gen_load_gpr(dc, rs2);
3994                             gen_store_gpr(dc, rd, cpu_src2);
3995                         }
3996                     }
3997                 } else {
3998                     cpu_src1 = get_src1(dc, insn);
3999                     if (IS_IMM) {       /* immediate */
4000                         simm = GET_FIELDs(insn, 19, 31);
4001                         tcg_gen_ori_tl(dst, cpu_src1, simm);
4002                         gen_store_gpr(dc, rd, dst);
4003                     } else {            /* register */
4004                         rs2 = GET_FIELD(insn, 27, 31);
4005                         if (rs2 == 0) {
4006                             /* mov shortcut:  or x, %g0, y -> mov x, y */
4007                             gen_store_gpr(dc, rd, cpu_src1);
4008                         } else {
4009                             cpu_src2 = gen_load_gpr(dc, rs2);
4010                             tcg_gen_or_tl(dst, cpu_src1, cpu_src2);
4011                             gen_store_gpr(dc, rd, dst);
4012                         }
4013                     }
4014                 }
4015 #ifdef TARGET_SPARC64
4016             } else if (xop == 0x25) { /* sll, V9 sllx */
4017                 cpu_src1 = get_src1(dc, insn);
4018                 if (IS_IMM) {   /* immediate */
4019                     simm = GET_FIELDs(insn, 20, 31);
4020                     if (insn & (1 << 12)) {
4021                         tcg_gen_shli_i64(cpu_dst, cpu_src1, simm & 0x3f);
4022                     } else {
4023                         tcg_gen_shli_i64(cpu_dst, cpu_src1, simm & 0x1f);
4024                     }
4025                 } else {                /* register */
4026                     rs2 = GET_FIELD(insn, 27, 31);
4027                     cpu_src2 = gen_load_gpr(dc, rs2);
4028                     cpu_tmp0 = get_temp_tl(dc);
4029                     if (insn & (1 << 12)) {
4030                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
4031                     } else {
4032                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
4033                     }
4034                     tcg_gen_shl_i64(cpu_dst, cpu_src1, cpu_tmp0);
4035                 }
4036                 gen_store_gpr(dc, rd, cpu_dst);
4037             } else if (xop == 0x26) { /* srl, V9 srlx */
4038                 cpu_src1 = get_src1(dc, insn);
4039                 if (IS_IMM) {   /* immediate */
4040                     simm = GET_FIELDs(insn, 20, 31);
4041                     if (insn & (1 << 12)) {
4042                         tcg_gen_shri_i64(cpu_dst, cpu_src1, simm & 0x3f);
4043                     } else {
4044                         tcg_gen_andi_i64(cpu_dst, cpu_src1, 0xffffffffULL);
4045                         tcg_gen_shri_i64(cpu_dst, cpu_dst, simm & 0x1f);
4046                     }
4047                 } else {                /* register */
4048                     rs2 = GET_FIELD(insn, 27, 31);
4049                     cpu_src2 = gen_load_gpr(dc, rs2);
4050                     cpu_tmp0 = get_temp_tl(dc);
4051                     if (insn & (1 << 12)) {
4052                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
4053                         tcg_gen_shr_i64(cpu_dst, cpu_src1, cpu_tmp0);
4054                     } else {
4055                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
4056                         tcg_gen_andi_i64(cpu_dst, cpu_src1, 0xffffffffULL);
4057                         tcg_gen_shr_i64(cpu_dst, cpu_dst, cpu_tmp0);
4058                     }
4059                 }
4060                 gen_store_gpr(dc, rd, cpu_dst);
4061             } else if (xop == 0x27) { /* sra, V9 srax */
4062                 cpu_src1 = get_src1(dc, insn);
4063                 if (IS_IMM) {   /* immediate */
4064                     simm = GET_FIELDs(insn, 20, 31);
4065                     if (insn & (1 << 12)) {
4066                         tcg_gen_sari_i64(cpu_dst, cpu_src1, simm & 0x3f);
4067                     } else {
4068                         tcg_gen_ext32s_i64(cpu_dst, cpu_src1);
4069                         tcg_gen_sari_i64(cpu_dst, cpu_dst, simm & 0x1f);
4070                     }
4071                 } else {                /* register */
4072                     rs2 = GET_FIELD(insn, 27, 31);
4073                     cpu_src2 = gen_load_gpr(dc, rs2);
4074                     cpu_tmp0 = get_temp_tl(dc);
4075                     if (insn & (1 << 12)) {
4076                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
4077                         tcg_gen_sar_i64(cpu_dst, cpu_src1, cpu_tmp0);
4078                     } else {
4079                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
4080                         tcg_gen_ext32s_i64(cpu_dst, cpu_src1);
4081                         tcg_gen_sar_i64(cpu_dst, cpu_dst, cpu_tmp0);
4082                     }
4083                 }
4084                 gen_store_gpr(dc, rd, cpu_dst);
4085 #endif
4086             } else if (xop < 0x36) {
4087                 if (xop < 0x20) {
4088                     cpu_src1 = get_src1(dc, insn);
4089                     cpu_src2 = get_src2(dc, insn);
4090                     switch (xop & ~0x10) {
4091                     case 0x0: /* add */
4092                         if (xop & 0x10) {
4093                             gen_op_add_cc(cpu_dst, cpu_src1, cpu_src2);
4094                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADD);
4095                             dc->cc_op = CC_OP_ADD;
4096                         } else {
4097                             tcg_gen_add_tl(cpu_dst, cpu_src1, cpu_src2);
4098                         }
4099                         break;
4100                     case 0x1: /* and */
4101                         tcg_gen_and_tl(cpu_dst, cpu_src1, cpu_src2);
4102                         if (xop & 0x10) {
4103                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4104                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4105                             dc->cc_op = CC_OP_LOGIC;
4106                         }
4107                         break;
4108                     case 0x2: /* or */
4109                         tcg_gen_or_tl(cpu_dst, cpu_src1, cpu_src2);
4110                         if (xop & 0x10) {
4111                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4112                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4113                             dc->cc_op = CC_OP_LOGIC;
4114                         }
4115                         break;
4116                     case 0x3: /* xor */
4117                         tcg_gen_xor_tl(cpu_dst, cpu_src1, cpu_src2);
4118                         if (xop & 0x10) {
4119                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4120                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4121                             dc->cc_op = CC_OP_LOGIC;
4122                         }
4123                         break;
4124                     case 0x4: /* sub */
4125                         if (xop & 0x10) {
4126                             gen_op_sub_cc(cpu_dst, cpu_src1, cpu_src2);
4127                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
4128                             dc->cc_op = CC_OP_SUB;
4129                         } else {
4130                             tcg_gen_sub_tl(cpu_dst, cpu_src1, cpu_src2);
4131                         }
4132                         break;
4133                     case 0x5: /* andn */
4134                         tcg_gen_andc_tl(cpu_dst, cpu_src1, cpu_src2);
4135                         if (xop & 0x10) {
4136                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4137                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4138                             dc->cc_op = CC_OP_LOGIC;
4139                         }
4140                         break;
4141                     case 0x6: /* orn */
4142                         tcg_gen_orc_tl(cpu_dst, cpu_src1, cpu_src2);
4143                         if (xop & 0x10) {
4144                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4145                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4146                             dc->cc_op = CC_OP_LOGIC;
4147                         }
4148                         break;
4149                     case 0x7: /* xorn */
4150                         tcg_gen_eqv_tl(cpu_dst, cpu_src1, cpu_src2);
4151                         if (xop & 0x10) {
4152                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4153                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4154                             dc->cc_op = CC_OP_LOGIC;
4155                         }
4156                         break;
4157                     case 0x8: /* addx, V9 addc */
4158                         gen_op_addx_int(dc, cpu_dst, cpu_src1, cpu_src2,
4159                                         (xop & 0x10));
4160                         break;
4161 #ifdef TARGET_SPARC64
4162                     case 0x9: /* V9 mulx */
4163                         tcg_gen_mul_i64(cpu_dst, cpu_src1, cpu_src2);
4164                         break;
4165 #endif
4166                     case 0xa: /* umul */
4167                         CHECK_IU_FEATURE(dc, MUL);
4168                         gen_op_umul(cpu_dst, cpu_src1, cpu_src2);
4169                         if (xop & 0x10) {
4170                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4171                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4172                             dc->cc_op = CC_OP_LOGIC;
4173                         }
4174                         break;
4175                     case 0xb: /* smul */
4176                         CHECK_IU_FEATURE(dc, MUL);
4177                         gen_op_smul(cpu_dst, cpu_src1, cpu_src2);
4178                         if (xop & 0x10) {
4179                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4180                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4181                             dc->cc_op = CC_OP_LOGIC;
4182                         }
4183                         break;
4184                     case 0xc: /* subx, V9 subc */
4185                         gen_op_subx_int(dc, cpu_dst, cpu_src1, cpu_src2,
4186                                         (xop & 0x10));
4187                         break;
4188 #ifdef TARGET_SPARC64
4189                     case 0xd: /* V9 udivx */
4190                         gen_helper_udivx(cpu_dst, cpu_env, cpu_src1, cpu_src2);
4191                         break;
4192 #endif
4193                     case 0xe: /* udiv */
4194                         CHECK_IU_FEATURE(dc, DIV);
4195                         if (xop & 0x10) {
4196                             gen_helper_udiv_cc(cpu_dst, cpu_env, cpu_src1,
4197                                                cpu_src2);
4198                             dc->cc_op = CC_OP_DIV;
4199                         } else {
4200                             gen_helper_udiv(cpu_dst, cpu_env, cpu_src1,
4201                                             cpu_src2);
4202                         }
4203                         break;
4204                     case 0xf: /* sdiv */
4205                         CHECK_IU_FEATURE(dc, DIV);
4206                         if (xop & 0x10) {
4207                             gen_helper_sdiv_cc(cpu_dst, cpu_env, cpu_src1,
4208                                                cpu_src2);
4209                             dc->cc_op = CC_OP_DIV;
4210                         } else {
4211                             gen_helper_sdiv(cpu_dst, cpu_env, cpu_src1,
4212                                             cpu_src2);
4213                         }
4214                         break;
4215                     default:
4216                         goto illegal_insn;
4217                     }
4218                     gen_store_gpr(dc, rd, cpu_dst);
4219                 } else {
4220                     cpu_src1 = get_src1(dc, insn);
4221                     cpu_src2 = get_src2(dc, insn);
4222                     switch (xop) {
4223                     case 0x20: /* taddcc */
4224                         gen_op_add_cc(cpu_dst, cpu_src1, cpu_src2);
4225                         gen_store_gpr(dc, rd, cpu_dst);
4226                         tcg_gen_movi_i32(cpu_cc_op, CC_OP_TADD);
4227                         dc->cc_op = CC_OP_TADD;
4228                         break;
4229                     case 0x21: /* tsubcc */
4230                         gen_op_sub_cc(cpu_dst, cpu_src1, cpu_src2);
4231                         gen_store_gpr(dc, rd, cpu_dst);
4232                         tcg_gen_movi_i32(cpu_cc_op, CC_OP_TSUB);
4233                         dc->cc_op = CC_OP_TSUB;
4234                         break;
4235                     case 0x22: /* taddcctv */
4236                         gen_helper_taddcctv(cpu_dst, cpu_env,
4237                                             cpu_src1, cpu_src2);
4238                         gen_store_gpr(dc, rd, cpu_dst);
4239                         dc->cc_op = CC_OP_TADDTV;
4240                         break;
4241                     case 0x23: /* tsubcctv */
4242                         gen_helper_tsubcctv(cpu_dst, cpu_env,
4243                                             cpu_src1, cpu_src2);
4244                         gen_store_gpr(dc, rd, cpu_dst);
4245                         dc->cc_op = CC_OP_TSUBTV;
4246                         break;
4247                     case 0x24: /* mulscc */
4248                         update_psr(dc);
4249                         gen_op_mulscc(cpu_dst, cpu_src1, cpu_src2);
4250                         gen_store_gpr(dc, rd, cpu_dst);
4251                         tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADD);
4252                         dc->cc_op = CC_OP_ADD;
4253                         break;
4254 #ifndef TARGET_SPARC64
4255                     case 0x25:  /* sll */
4256                         if (IS_IMM) { /* immediate */
4257                             simm = GET_FIELDs(insn, 20, 31);
4258                             tcg_gen_shli_tl(cpu_dst, cpu_src1, simm & 0x1f);
4259                         } else { /* register */
4260                             cpu_tmp0 = get_temp_tl(dc);
4261                             tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
4262                             tcg_gen_shl_tl(cpu_dst, cpu_src1, cpu_tmp0);
4263                         }
4264                         gen_store_gpr(dc, rd, cpu_dst);
4265                         break;
4266                     case 0x26:  /* srl */
4267                         if (IS_IMM) { /* immediate */
4268                             simm = GET_FIELDs(insn, 20, 31);
4269                             tcg_gen_shri_tl(cpu_dst, cpu_src1, simm & 0x1f);
4270                         } else { /* register */
4271                             cpu_tmp0 = get_temp_tl(dc);
4272                             tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
4273                             tcg_gen_shr_tl(cpu_dst, cpu_src1, cpu_tmp0);
4274                         }
4275                         gen_store_gpr(dc, rd, cpu_dst);
4276                         break;
4277                     case 0x27:  /* sra */
4278                         if (IS_IMM) { /* immediate */
4279                             simm = GET_FIELDs(insn, 20, 31);
4280                             tcg_gen_sari_tl(cpu_dst, cpu_src1, simm & 0x1f);
4281                         } else { /* register */
4282                             cpu_tmp0 = get_temp_tl(dc);
4283                             tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
4284                             tcg_gen_sar_tl(cpu_dst, cpu_src1, cpu_tmp0);
4285                         }
4286                         gen_store_gpr(dc, rd, cpu_dst);
4287                         break;
4288 #endif
4289                     case 0x30:
4290                         {
4291                             cpu_tmp0 = get_temp_tl(dc);
4292                             switch(rd) {
4293                             case 0: /* wry */
4294                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4295                                 tcg_gen_andi_tl(cpu_y, cpu_tmp0, 0xffffffff);
4296                                 break;
4297 #ifndef TARGET_SPARC64
4298                             case 0x01 ... 0x0f: /* undefined in the
4299                                                    SPARCv8 manual, nop
4300                                                    on the microSPARC
4301                                                    II */
4302                             case 0x10 ... 0x1f: /* implementation-dependent
4303                                                    in the SPARCv8
4304                                                    manual, nop on the
4305                                                    microSPARC II */
4306                                 if ((rd == 0x13) && (dc->def->features &
4307                                                      CPU_FEATURE_POWERDOWN)) {
4308                                     /* LEON3 power-down */
4309                                     save_state(dc);
4310                                     gen_helper_power_down(cpu_env);
4311                                 }
4312                                 break;
4313 #else
4314                             case 0x2: /* V9 wrccr */
4315                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4316                                 gen_helper_wrccr(cpu_env, cpu_tmp0);
4317                                 tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
4318                                 dc->cc_op = CC_OP_FLAGS;
4319                                 break;
4320                             case 0x3: /* V9 wrasi */
4321                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4322                                 tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xff);
4323                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4324                                                 offsetof(CPUSPARCState, asi));
4325                                 /* End TB to notice changed ASI.  */
4326                                 save_state(dc);
4327                                 gen_op_next_insn();
4328                                 tcg_gen_exit_tb(0);
4329                                 dc->is_br = 1;
4330                                 break;
4331                             case 0x6: /* V9 wrfprs */
4332                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4333                                 tcg_gen_trunc_tl_i32(cpu_fprs, cpu_tmp0);
4334                                 dc->fprs_dirty = 0;
4335                                 save_state(dc);
4336                                 gen_op_next_insn();
4337                                 tcg_gen_exit_tb(0);
4338                                 dc->is_br = 1;
4339                                 break;
4340                             case 0xf: /* V9 sir, nop if user */
4341 #if !defined(CONFIG_USER_ONLY)
4342                                 if (supervisor(dc)) {
4343                                     ; // XXX
4344                                 }
4345 #endif
4346                                 break;
4347                             case 0x13: /* Graphics Status */
4348                                 if (gen_trap_ifnofpu(dc)) {
4349                                     goto jmp_insn;
4350                                 }
4351                                 tcg_gen_xor_tl(cpu_gsr, cpu_src1, cpu_src2);
4352                                 break;
4353                             case 0x14: /* Softint set */
4354                                 if (!supervisor(dc))
4355                                     goto illegal_insn;
4356                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4357                                 gen_helper_set_softint(cpu_env, cpu_tmp0);
4358                                 break;
4359                             case 0x15: /* Softint clear */
4360                                 if (!supervisor(dc))
4361                                     goto illegal_insn;
4362                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4363                                 gen_helper_clear_softint(cpu_env, cpu_tmp0);
4364                                 break;
4365                             case 0x16: /* Softint write */
4366                                 if (!supervisor(dc))
4367                                     goto illegal_insn;
4368                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4369                                 gen_helper_write_softint(cpu_env, cpu_tmp0);
4370                                 break;
4371                             case 0x17: /* Tick compare */
4372 #if !defined(CONFIG_USER_ONLY)
4373                                 if (!supervisor(dc))
4374                                     goto illegal_insn;
4375 #endif
4376                                 {
4377                                     TCGv_ptr r_tickptr;
4378 
4379                                     tcg_gen_xor_tl(cpu_tick_cmpr, cpu_src1,
4380                                                    cpu_src2);
4381                                     r_tickptr = tcg_temp_new_ptr();
4382                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4383                                                    offsetof(CPUSPARCState, tick));
4384                                     gen_helper_tick_set_limit(r_tickptr,
4385                                                               cpu_tick_cmpr);
4386                                     tcg_temp_free_ptr(r_tickptr);
4387                                 }
4388                                 break;
4389                             case 0x18: /* System tick */
4390 #if !defined(CONFIG_USER_ONLY)
4391                                 if (!supervisor(dc))
4392                                     goto illegal_insn;
4393 #endif
4394                                 {
4395                                     TCGv_ptr r_tickptr;
4396 
4397                                     tcg_gen_xor_tl(cpu_tmp0, cpu_src1,
4398                                                    cpu_src2);
4399                                     r_tickptr = tcg_temp_new_ptr();
4400                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4401                                                    offsetof(CPUSPARCState, stick));
4402                                     gen_helper_tick_set_count(r_tickptr,
4403                                                               cpu_tmp0);
4404                                     tcg_temp_free_ptr(r_tickptr);
4405                                 }
4406                                 break;
4407                             case 0x19: /* System tick compare */
4408 #if !defined(CONFIG_USER_ONLY)
4409                                 if (!supervisor(dc))
4410                                     goto illegal_insn;
4411 #endif
4412                                 {
4413                                     TCGv_ptr r_tickptr;
4414 
4415                                     tcg_gen_xor_tl(cpu_stick_cmpr, cpu_src1,
4416                                                    cpu_src2);
4417                                     r_tickptr = tcg_temp_new_ptr();
4418                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4419                                                    offsetof(CPUSPARCState, stick));
4420                                     gen_helper_tick_set_limit(r_tickptr,
4421                                                               cpu_stick_cmpr);
4422                                     tcg_temp_free_ptr(r_tickptr);
4423                                 }
4424                                 break;
4425 
4426                             case 0x10: /* Performance Control */
4427                             case 0x11: /* Performance Instrumentation
4428                                           Counter */
4429                             case 0x12: /* Dispatch Control */
4430 #endif
4431                             default:
4432                                 goto illegal_insn;
4433                             }
4434                         }
4435                         break;
4436 #if !defined(CONFIG_USER_ONLY)
4437                     case 0x31: /* wrpsr, V9 saved, restored */
4438                         {
4439                             if (!supervisor(dc))
4440                                 goto priv_insn;
4441 #ifdef TARGET_SPARC64
4442                             switch (rd) {
4443                             case 0:
4444                                 gen_helper_saved(cpu_env);
4445                                 break;
4446                             case 1:
4447                                 gen_helper_restored(cpu_env);
4448                                 break;
4449                             case 2: /* UA2005 allclean */
4450                             case 3: /* UA2005 otherw */
4451                             case 4: /* UA2005 normalw */
4452                             case 5: /* UA2005 invalw */
4453                                 // XXX
4454                             default:
4455                                 goto illegal_insn;
4456                             }
4457 #else
4458                             cpu_tmp0 = get_temp_tl(dc);
4459                             tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4460                             gen_helper_wrpsr(cpu_env, cpu_tmp0);
4461                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
4462                             dc->cc_op = CC_OP_FLAGS;
4463                             save_state(dc);
4464                             gen_op_next_insn();
4465                             tcg_gen_exit_tb(0);
4466                             dc->is_br = 1;
4467 #endif
4468                         }
4469                         break;
4470                     case 0x32: /* wrwim, V9 wrpr */
4471                         {
4472                             if (!supervisor(dc))
4473                                 goto priv_insn;
4474                             cpu_tmp0 = get_temp_tl(dc);
4475                             tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4476 #ifdef TARGET_SPARC64
4477                             switch (rd) {
4478                             case 0: // tpc
4479                                 {
4480                                     TCGv_ptr r_tsptr;
4481 
4482                                     r_tsptr = tcg_temp_new_ptr();
4483                                     gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4484                                     tcg_gen_st_tl(cpu_tmp0, r_tsptr,
4485                                                   offsetof(trap_state, tpc));
4486                                     tcg_temp_free_ptr(r_tsptr);
4487                                 }
4488                                 break;
4489                             case 1: // tnpc
4490                                 {
4491                                     TCGv_ptr r_tsptr;
4492 
4493                                     r_tsptr = tcg_temp_new_ptr();
4494                                     gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4495                                     tcg_gen_st_tl(cpu_tmp0, r_tsptr,
4496                                                   offsetof(trap_state, tnpc));
4497                                     tcg_temp_free_ptr(r_tsptr);
4498                                 }
4499                                 break;
4500                             case 2: // tstate
4501                                 {
4502                                     TCGv_ptr r_tsptr;
4503 
4504                                     r_tsptr = tcg_temp_new_ptr();
4505                                     gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4506                                     tcg_gen_st_tl(cpu_tmp0, r_tsptr,
4507                                                   offsetof(trap_state,
4508                                                            tstate));
4509                                     tcg_temp_free_ptr(r_tsptr);
4510                                 }
4511                                 break;
4512                             case 3: // tt
4513                                 {
4514                                     TCGv_ptr r_tsptr;
4515 
4516                                     r_tsptr = tcg_temp_new_ptr();
4517                                     gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4518                                     tcg_gen_st32_tl(cpu_tmp0, r_tsptr,
4519                                                     offsetof(trap_state, tt));
4520                                     tcg_temp_free_ptr(r_tsptr);
4521                                 }
4522                                 break;
4523                             case 4: // tick
4524                                 {
4525                                     TCGv_ptr r_tickptr;
4526 
4527                                     r_tickptr = tcg_temp_new_ptr();
4528                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4529                                                    offsetof(CPUSPARCState, tick));
4530                                     gen_helper_tick_set_count(r_tickptr,
4531                                                               cpu_tmp0);
4532                                     tcg_temp_free_ptr(r_tickptr);
4533                                 }
4534                                 break;
4535                             case 5: // tba
4536                                 tcg_gen_mov_tl(cpu_tbr, cpu_tmp0);
4537                                 break;
4538                             case 6: // pstate
4539                                 save_state(dc);
4540                                 gen_helper_wrpstate(cpu_env, cpu_tmp0);
4541                                 dc->npc = DYNAMIC_PC;
4542                                 break;
4543                             case 7: // tl
4544                                 save_state(dc);
4545                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4546                                                offsetof(CPUSPARCState, tl));
4547                                 dc->npc = DYNAMIC_PC;
4548                                 break;
4549                             case 8: // pil
4550                                 gen_helper_wrpil(cpu_env, cpu_tmp0);
4551                                 break;
4552                             case 9: // cwp
4553                                 gen_helper_wrcwp(cpu_env, cpu_tmp0);
4554                                 break;
4555                             case 10: // cansave
4556                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4557                                                 offsetof(CPUSPARCState,
4558                                                          cansave));
4559                                 break;
4560                             case 11: // canrestore
4561                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4562                                                 offsetof(CPUSPARCState,
4563                                                          canrestore));
4564                                 break;
4565                             case 12: // cleanwin
4566                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4567                                                 offsetof(CPUSPARCState,
4568                                                          cleanwin));
4569                                 break;
4570                             case 13: // otherwin
4571                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4572                                                 offsetof(CPUSPARCState,
4573                                                          otherwin));
4574                                 break;
4575                             case 14: // wstate
4576                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4577                                                 offsetof(CPUSPARCState,
4578                                                          wstate));
4579                                 break;
4580                             case 16: // UA2005 gl
4581                                 CHECK_IU_FEATURE(dc, GL);
4582                                 gen_helper_wrgl(cpu_env, cpu_tmp0);
4583                                 break;
4584                             case 26: // UA2005 strand status
4585                                 CHECK_IU_FEATURE(dc, HYPV);
4586                                 if (!hypervisor(dc))
4587                                     goto priv_insn;
4588                                 tcg_gen_mov_tl(cpu_ssr, cpu_tmp0);
4589                                 break;
4590                             default:
4591                                 goto illegal_insn;
4592                             }
4593 #else
4594                             tcg_gen_trunc_tl_i32(cpu_wim, cpu_tmp0);
4595                             if (dc->def->nwindows != 32) {
4596                                 tcg_gen_andi_tl(cpu_wim, cpu_wim,
4597                                                 (1 << dc->def->nwindows) - 1);
4598                             }
4599 #endif
4600                         }
4601                         break;
4602                     case 0x33: /* wrtbr, UA2005 wrhpr */
4603                         {
4604 #ifndef TARGET_SPARC64
4605                             if (!supervisor(dc))
4606                                 goto priv_insn;
4607                             tcg_gen_xor_tl(cpu_tbr, cpu_src1, cpu_src2);
4608 #else
4609                             CHECK_IU_FEATURE(dc, HYPV);
4610                             if (!hypervisor(dc))
4611                                 goto priv_insn;
4612                             cpu_tmp0 = get_temp_tl(dc);
4613                             tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4614                             switch (rd) {
4615                             case 0: // hpstate
4616                                 tcg_gen_st_i64(cpu_tmp0, cpu_env,
4617                                                offsetof(CPUSPARCState,
4618                                                         hpstate));
4619                                 save_state(dc);
4620                                 gen_op_next_insn();
4621                                 tcg_gen_exit_tb(0);
4622                                 dc->is_br = 1;
4623                                 break;
4624                             case 1: // htstate
4625                                 // XXX gen_op_wrhtstate();
4626                                 break;
4627                             case 3: // hintp
4628                                 tcg_gen_mov_tl(cpu_hintp, cpu_tmp0);
4629                                 break;
4630                             case 5: // htba
4631                                 tcg_gen_mov_tl(cpu_htba, cpu_tmp0);
4632                                 break;
4633                             case 31: // hstick_cmpr
4634                                 {
4635                                     TCGv_ptr r_tickptr;
4636 
4637                                     tcg_gen_mov_tl(cpu_hstick_cmpr, cpu_tmp0);
4638                                     r_tickptr = tcg_temp_new_ptr();
4639                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4640                                                    offsetof(CPUSPARCState, hstick));
4641                                     gen_helper_tick_set_limit(r_tickptr,
4642                                                               cpu_hstick_cmpr);
4643                                     tcg_temp_free_ptr(r_tickptr);
4644                                 }
4645                                 break;
4646                             case 6: // hver readonly
4647                             default:
4648                                 goto illegal_insn;
4649                             }
4650 #endif
4651                         }
4652                         break;
4653 #endif
4654 #ifdef TARGET_SPARC64
4655                     case 0x2c: /* V9 movcc */
4656                         {
4657                             int cc = GET_FIELD_SP(insn, 11, 12);
4658                             int cond = GET_FIELD_SP(insn, 14, 17);
4659                             DisasCompare cmp;
4660                             TCGv dst;
4661 
4662                             if (insn & (1 << 18)) {
4663                                 if (cc == 0) {
4664                                     gen_compare(&cmp, 0, cond, dc);
4665                                 } else if (cc == 2) {
4666                                     gen_compare(&cmp, 1, cond, dc);
4667                                 } else {
4668                                     goto illegal_insn;
4669                                 }
4670                             } else {
4671                                 gen_fcompare(&cmp, cc, cond);
4672                             }
4673 
4674                             /* The get_src2 above loaded the normal 13-bit
4675                                immediate field, not the 11-bit field we have
4676                                in movcc.  But it did handle the reg case.  */
4677                             if (IS_IMM) {
4678                                 simm = GET_FIELD_SPs(insn, 0, 10);
4679                                 tcg_gen_movi_tl(cpu_src2, simm);
4680                             }
4681 
4682                             dst = gen_load_gpr(dc, rd);
4683                             tcg_gen_movcond_tl(cmp.cond, dst,
4684                                                cmp.c1, cmp.c2,
4685                                                cpu_src2, dst);
4686                             free_compare(&cmp);
4687                             gen_store_gpr(dc, rd, dst);
4688                             break;
4689                         }
4690                     case 0x2d: /* V9 sdivx */
4691                         gen_helper_sdivx(cpu_dst, cpu_env, cpu_src1, cpu_src2);
4692                         gen_store_gpr(dc, rd, cpu_dst);
4693                         break;
4694                     case 0x2e: /* V9 popc */
4695                         tcg_gen_ctpop_tl(cpu_dst, cpu_src2);
4696                         gen_store_gpr(dc, rd, cpu_dst);
4697                         break;
4698                     case 0x2f: /* V9 movr */
4699                         {
4700                             int cond = GET_FIELD_SP(insn, 10, 12);
4701                             DisasCompare cmp;
4702                             TCGv dst;
4703 
4704                             gen_compare_reg(&cmp, cond, cpu_src1);
4705 
4706                             /* The get_src2 above loaded the normal 13-bit
4707                                immediate field, not the 10-bit field we have
4708                                in movr.  But it did handle the reg case.  */
4709                             if (IS_IMM) {
4710                                 simm = GET_FIELD_SPs(insn, 0, 9);
4711                                 tcg_gen_movi_tl(cpu_src2, simm);
4712                             }
4713 
4714                             dst = gen_load_gpr(dc, rd);
4715                             tcg_gen_movcond_tl(cmp.cond, dst,
4716                                                cmp.c1, cmp.c2,
4717                                                cpu_src2, dst);
4718                             free_compare(&cmp);
4719                             gen_store_gpr(dc, rd, dst);
4720                             break;
4721                         }
4722 #endif
4723                     default:
4724                         goto illegal_insn;
4725                     }
4726                 }
4727             } else if (xop == 0x36) { /* UltraSparc shutdown, VIS, V8 CPop1 */
4728 #ifdef TARGET_SPARC64
4729                 int opf = GET_FIELD_SP(insn, 5, 13);
4730                 rs1 = GET_FIELD(insn, 13, 17);
4731                 rs2 = GET_FIELD(insn, 27, 31);
4732                 if (gen_trap_ifnofpu(dc)) {
4733                     goto jmp_insn;
4734                 }
4735 
4736                 switch (opf) {
4737                 case 0x000: /* VIS I edge8cc */
4738                     CHECK_FPU_FEATURE(dc, VIS1);
4739                     cpu_src1 = gen_load_gpr(dc, rs1);
4740                     cpu_src2 = gen_load_gpr(dc, rs2);
4741                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 1, 0);
4742                     gen_store_gpr(dc, rd, cpu_dst);
4743                     break;
4744                 case 0x001: /* VIS II edge8n */
4745                     CHECK_FPU_FEATURE(dc, VIS2);
4746                     cpu_src1 = gen_load_gpr(dc, rs1);
4747                     cpu_src2 = gen_load_gpr(dc, rs2);
4748                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 0, 0);
4749                     gen_store_gpr(dc, rd, cpu_dst);
4750                     break;
4751                 case 0x002: /* VIS I edge8lcc */
4752                     CHECK_FPU_FEATURE(dc, VIS1);
4753                     cpu_src1 = gen_load_gpr(dc, rs1);
4754                     cpu_src2 = gen_load_gpr(dc, rs2);
4755                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 1, 1);
4756                     gen_store_gpr(dc, rd, cpu_dst);
4757                     break;
4758                 case 0x003: /* VIS II edge8ln */
4759                     CHECK_FPU_FEATURE(dc, VIS2);
4760                     cpu_src1 = gen_load_gpr(dc, rs1);
4761                     cpu_src2 = gen_load_gpr(dc, rs2);
4762                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 0, 1);
4763                     gen_store_gpr(dc, rd, cpu_dst);
4764                     break;
4765                 case 0x004: /* VIS I edge16cc */
4766                     CHECK_FPU_FEATURE(dc, VIS1);
4767                     cpu_src1 = gen_load_gpr(dc, rs1);
4768                     cpu_src2 = gen_load_gpr(dc, rs2);
4769                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 1, 0);
4770                     gen_store_gpr(dc, rd, cpu_dst);
4771                     break;
4772                 case 0x005: /* VIS II edge16n */
4773                     CHECK_FPU_FEATURE(dc, VIS2);
4774                     cpu_src1 = gen_load_gpr(dc, rs1);
4775                     cpu_src2 = gen_load_gpr(dc, rs2);
4776                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 0, 0);
4777                     gen_store_gpr(dc, rd, cpu_dst);
4778                     break;
4779                 case 0x006: /* VIS I edge16lcc */
4780                     CHECK_FPU_FEATURE(dc, VIS1);
4781                     cpu_src1 = gen_load_gpr(dc, rs1);
4782                     cpu_src2 = gen_load_gpr(dc, rs2);
4783                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 1, 1);
4784                     gen_store_gpr(dc, rd, cpu_dst);
4785                     break;
4786                 case 0x007: /* VIS II edge16ln */
4787                     CHECK_FPU_FEATURE(dc, VIS2);
4788                     cpu_src1 = gen_load_gpr(dc, rs1);
4789                     cpu_src2 = gen_load_gpr(dc, rs2);
4790                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 0, 1);
4791                     gen_store_gpr(dc, rd, cpu_dst);
4792                     break;
4793                 case 0x008: /* VIS I edge32cc */
4794                     CHECK_FPU_FEATURE(dc, VIS1);
4795                     cpu_src1 = gen_load_gpr(dc, rs1);
4796                     cpu_src2 = gen_load_gpr(dc, rs2);
4797                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 1, 0);
4798                     gen_store_gpr(dc, rd, cpu_dst);
4799                     break;
4800                 case 0x009: /* VIS II edge32n */
4801                     CHECK_FPU_FEATURE(dc, VIS2);
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, 32, 0, 0);
4805                     gen_store_gpr(dc, rd, cpu_dst);
4806                     break;
4807                 case 0x00a: /* VIS I edge32lcc */
4808                     CHECK_FPU_FEATURE(dc, VIS1);
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, 32, 1, 1);
4812                     gen_store_gpr(dc, rd, cpu_dst);
4813                     break;
4814                 case 0x00b: /* VIS II edge32ln */
4815                     CHECK_FPU_FEATURE(dc, VIS2);
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, 32, 0, 1);
4819                     gen_store_gpr(dc, rd, cpu_dst);
4820                     break;
4821                 case 0x010: /* VIS I array8 */
4822                     CHECK_FPU_FEATURE(dc, VIS1);
4823                     cpu_src1 = gen_load_gpr(dc, rs1);
4824                     cpu_src2 = gen_load_gpr(dc, rs2);
4825                     gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
4826                     gen_store_gpr(dc, rd, cpu_dst);
4827                     break;
4828                 case 0x012: /* VIS I array16 */
4829                     CHECK_FPU_FEATURE(dc, VIS1);
4830                     cpu_src1 = gen_load_gpr(dc, rs1);
4831                     cpu_src2 = gen_load_gpr(dc, rs2);
4832                     gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
4833                     tcg_gen_shli_i64(cpu_dst, cpu_dst, 1);
4834                     gen_store_gpr(dc, rd, cpu_dst);
4835                     break;
4836                 case 0x014: /* VIS I array32 */
4837                     CHECK_FPU_FEATURE(dc, VIS1);
4838                     cpu_src1 = gen_load_gpr(dc, rs1);
4839                     cpu_src2 = gen_load_gpr(dc, rs2);
4840                     gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
4841                     tcg_gen_shli_i64(cpu_dst, cpu_dst, 2);
4842                     gen_store_gpr(dc, rd, cpu_dst);
4843                     break;
4844                 case 0x018: /* VIS I alignaddr */
4845                     CHECK_FPU_FEATURE(dc, VIS1);
4846                     cpu_src1 = gen_load_gpr(dc, rs1);
4847                     cpu_src2 = gen_load_gpr(dc, rs2);
4848                     gen_alignaddr(cpu_dst, cpu_src1, cpu_src2, 0);
4849                     gen_store_gpr(dc, rd, cpu_dst);
4850                     break;
4851                 case 0x01a: /* VIS I alignaddrl */
4852                     CHECK_FPU_FEATURE(dc, VIS1);
4853                     cpu_src1 = gen_load_gpr(dc, rs1);
4854                     cpu_src2 = gen_load_gpr(dc, rs2);
4855                     gen_alignaddr(cpu_dst, cpu_src1, cpu_src2, 1);
4856                     gen_store_gpr(dc, rd, cpu_dst);
4857                     break;
4858                 case 0x019: /* VIS II bmask */
4859                     CHECK_FPU_FEATURE(dc, VIS2);
4860                     cpu_src1 = gen_load_gpr(dc, rs1);
4861                     cpu_src2 = gen_load_gpr(dc, rs2);
4862                     tcg_gen_add_tl(cpu_dst, cpu_src1, cpu_src2);
4863                     tcg_gen_deposit_tl(cpu_gsr, cpu_gsr, cpu_dst, 32, 32);
4864                     gen_store_gpr(dc, rd, cpu_dst);
4865                     break;
4866                 case 0x020: /* VIS I fcmple16 */
4867                     CHECK_FPU_FEATURE(dc, VIS1);
4868                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4869                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4870                     gen_helper_fcmple16(cpu_dst, cpu_src1_64, cpu_src2_64);
4871                     gen_store_gpr(dc, rd, cpu_dst);
4872                     break;
4873                 case 0x022: /* VIS I fcmpne16 */
4874                     CHECK_FPU_FEATURE(dc, VIS1);
4875                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4876                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4877                     gen_helper_fcmpne16(cpu_dst, cpu_src1_64, cpu_src2_64);
4878                     gen_store_gpr(dc, rd, cpu_dst);
4879                     break;
4880                 case 0x024: /* VIS I fcmple32 */
4881                     CHECK_FPU_FEATURE(dc, VIS1);
4882                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4883                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4884                     gen_helper_fcmple32(cpu_dst, cpu_src1_64, cpu_src2_64);
4885                     gen_store_gpr(dc, rd, cpu_dst);
4886                     break;
4887                 case 0x026: /* VIS I fcmpne32 */
4888                     CHECK_FPU_FEATURE(dc, VIS1);
4889                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4890                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4891                     gen_helper_fcmpne32(cpu_dst, cpu_src1_64, cpu_src2_64);
4892                     gen_store_gpr(dc, rd, cpu_dst);
4893                     break;
4894                 case 0x028: /* VIS I fcmpgt16 */
4895                     CHECK_FPU_FEATURE(dc, VIS1);
4896                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4897                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4898                     gen_helper_fcmpgt16(cpu_dst, cpu_src1_64, cpu_src2_64);
4899                     gen_store_gpr(dc, rd, cpu_dst);
4900                     break;
4901                 case 0x02a: /* VIS I fcmpeq16 */
4902                     CHECK_FPU_FEATURE(dc, VIS1);
4903                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4904                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4905                     gen_helper_fcmpeq16(cpu_dst, cpu_src1_64, cpu_src2_64);
4906                     gen_store_gpr(dc, rd, cpu_dst);
4907                     break;
4908                 case 0x02c: /* VIS I fcmpgt32 */
4909                     CHECK_FPU_FEATURE(dc, VIS1);
4910                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4911                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4912                     gen_helper_fcmpgt32(cpu_dst, cpu_src1_64, cpu_src2_64);
4913                     gen_store_gpr(dc, rd, cpu_dst);
4914                     break;
4915                 case 0x02e: /* VIS I fcmpeq32 */
4916                     CHECK_FPU_FEATURE(dc, VIS1);
4917                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4918                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4919                     gen_helper_fcmpeq32(cpu_dst, cpu_src1_64, cpu_src2_64);
4920                     gen_store_gpr(dc, rd, cpu_dst);
4921                     break;
4922                 case 0x031: /* VIS I fmul8x16 */
4923                     CHECK_FPU_FEATURE(dc, VIS1);
4924                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8x16);
4925                     break;
4926                 case 0x033: /* VIS I fmul8x16au */
4927                     CHECK_FPU_FEATURE(dc, VIS1);
4928                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8x16au);
4929                     break;
4930                 case 0x035: /* VIS I fmul8x16al */
4931                     CHECK_FPU_FEATURE(dc, VIS1);
4932                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8x16al);
4933                     break;
4934                 case 0x036: /* VIS I fmul8sux16 */
4935                     CHECK_FPU_FEATURE(dc, VIS1);
4936                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8sux16);
4937                     break;
4938                 case 0x037: /* VIS I fmul8ulx16 */
4939                     CHECK_FPU_FEATURE(dc, VIS1);
4940                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8ulx16);
4941                     break;
4942                 case 0x038: /* VIS I fmuld8sux16 */
4943                     CHECK_FPU_FEATURE(dc, VIS1);
4944                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld8sux16);
4945                     break;
4946                 case 0x039: /* VIS I fmuld8ulx16 */
4947                     CHECK_FPU_FEATURE(dc, VIS1);
4948                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld8ulx16);
4949                     break;
4950                 case 0x03a: /* VIS I fpack32 */
4951                     CHECK_FPU_FEATURE(dc, VIS1);
4952                     gen_gsr_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpack32);
4953                     break;
4954                 case 0x03b: /* VIS I fpack16 */
4955                     CHECK_FPU_FEATURE(dc, VIS1);
4956                     cpu_src1_64 = gen_load_fpr_D(dc, rs2);
4957                     cpu_dst_32 = gen_dest_fpr_F(dc);
4958                     gen_helper_fpack16(cpu_dst_32, cpu_gsr, cpu_src1_64);
4959                     gen_store_fpr_F(dc, rd, cpu_dst_32);
4960                     break;
4961                 case 0x03d: /* VIS I fpackfix */
4962                     CHECK_FPU_FEATURE(dc, VIS1);
4963                     cpu_src1_64 = gen_load_fpr_D(dc, rs2);
4964                     cpu_dst_32 = gen_dest_fpr_F(dc);
4965                     gen_helper_fpackfix(cpu_dst_32, cpu_gsr, cpu_src1_64);
4966                     gen_store_fpr_F(dc, rd, cpu_dst_32);
4967                     break;
4968                 case 0x03e: /* VIS I pdist */
4969                     CHECK_FPU_FEATURE(dc, VIS1);
4970                     gen_ne_fop_DDDD(dc, rd, rs1, rs2, gen_helper_pdist);
4971                     break;
4972                 case 0x048: /* VIS I faligndata */
4973                     CHECK_FPU_FEATURE(dc, VIS1);
4974                     gen_gsr_fop_DDD(dc, rd, rs1, rs2, gen_faligndata);
4975                     break;
4976                 case 0x04b: /* VIS I fpmerge */
4977                     CHECK_FPU_FEATURE(dc, VIS1);
4978                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpmerge);
4979                     break;
4980                 case 0x04c: /* VIS II bshuffle */
4981                     CHECK_FPU_FEATURE(dc, VIS2);
4982                     gen_gsr_fop_DDD(dc, rd, rs1, rs2, gen_helper_bshuffle);
4983                     break;
4984                 case 0x04d: /* VIS I fexpand */
4985                     CHECK_FPU_FEATURE(dc, VIS1);
4986                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fexpand);
4987                     break;
4988                 case 0x050: /* VIS I fpadd16 */
4989                     CHECK_FPU_FEATURE(dc, VIS1);
4990                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpadd16);
4991                     break;
4992                 case 0x051: /* VIS I fpadd16s */
4993                     CHECK_FPU_FEATURE(dc, VIS1);
4994                     gen_ne_fop_FFF(dc, rd, rs1, rs2, gen_helper_fpadd16s);
4995                     break;
4996                 case 0x052: /* VIS I fpadd32 */
4997                     CHECK_FPU_FEATURE(dc, VIS1);
4998                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpadd32);
4999                     break;
5000                 case 0x053: /* VIS I fpadd32s */
5001                     CHECK_FPU_FEATURE(dc, VIS1);
5002                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_add_i32);
5003                     break;
5004                 case 0x054: /* VIS I fpsub16 */
5005                     CHECK_FPU_FEATURE(dc, VIS1);
5006                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpsub16);
5007                     break;
5008                 case 0x055: /* VIS I fpsub16s */
5009                     CHECK_FPU_FEATURE(dc, VIS1);
5010                     gen_ne_fop_FFF(dc, rd, rs1, rs2, gen_helper_fpsub16s);
5011                     break;
5012                 case 0x056: /* VIS I fpsub32 */
5013                     CHECK_FPU_FEATURE(dc, VIS1);
5014                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpsub32);
5015                     break;
5016                 case 0x057: /* VIS I fpsub32s */
5017                     CHECK_FPU_FEATURE(dc, VIS1);
5018                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_sub_i32);
5019                     break;
5020                 case 0x060: /* VIS I fzero */
5021                     CHECK_FPU_FEATURE(dc, VIS1);
5022                     cpu_dst_64 = gen_dest_fpr_D(dc, rd);
5023                     tcg_gen_movi_i64(cpu_dst_64, 0);
5024                     gen_store_fpr_D(dc, rd, cpu_dst_64);
5025                     break;
5026                 case 0x061: /* VIS I fzeros */
5027                     CHECK_FPU_FEATURE(dc, VIS1);
5028                     cpu_dst_32 = gen_dest_fpr_F(dc);
5029                     tcg_gen_movi_i32(cpu_dst_32, 0);
5030                     gen_store_fpr_F(dc, rd, cpu_dst_32);
5031                     break;
5032                 case 0x062: /* VIS I fnor */
5033                     CHECK_FPU_FEATURE(dc, VIS1);
5034                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_nor_i64);
5035                     break;
5036                 case 0x063: /* VIS I fnors */
5037                     CHECK_FPU_FEATURE(dc, VIS1);
5038                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_nor_i32);
5039                     break;
5040                 case 0x064: /* VIS I fandnot2 */
5041                     CHECK_FPU_FEATURE(dc, VIS1);
5042                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_andc_i64);
5043                     break;
5044                 case 0x065: /* VIS I fandnot2s */
5045                     CHECK_FPU_FEATURE(dc, VIS1);
5046                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_andc_i32);
5047                     break;
5048                 case 0x066: /* VIS I fnot2 */
5049                     CHECK_FPU_FEATURE(dc, VIS1);
5050                     gen_ne_fop_DD(dc, rd, rs2, tcg_gen_not_i64);
5051                     break;
5052                 case 0x067: /* VIS I fnot2s */
5053                     CHECK_FPU_FEATURE(dc, VIS1);
5054                     gen_ne_fop_FF(dc, rd, rs2, tcg_gen_not_i32);
5055                     break;
5056                 case 0x068: /* VIS I fandnot1 */
5057                     CHECK_FPU_FEATURE(dc, VIS1);
5058                     gen_ne_fop_DDD(dc, rd, rs2, rs1, tcg_gen_andc_i64);
5059                     break;
5060                 case 0x069: /* VIS I fandnot1s */
5061                     CHECK_FPU_FEATURE(dc, VIS1);
5062                     gen_ne_fop_FFF(dc, rd, rs2, rs1, tcg_gen_andc_i32);
5063                     break;
5064                 case 0x06a: /* VIS I fnot1 */
5065                     CHECK_FPU_FEATURE(dc, VIS1);
5066                     gen_ne_fop_DD(dc, rd, rs1, tcg_gen_not_i64);
5067                     break;
5068                 case 0x06b: /* VIS I fnot1s */
5069                     CHECK_FPU_FEATURE(dc, VIS1);
5070                     gen_ne_fop_FF(dc, rd, rs1, tcg_gen_not_i32);
5071                     break;
5072                 case 0x06c: /* VIS I fxor */
5073                     CHECK_FPU_FEATURE(dc, VIS1);
5074                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_xor_i64);
5075                     break;
5076                 case 0x06d: /* VIS I fxors */
5077                     CHECK_FPU_FEATURE(dc, VIS1);
5078                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_xor_i32);
5079                     break;
5080                 case 0x06e: /* VIS I fnand */
5081                     CHECK_FPU_FEATURE(dc, VIS1);
5082                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_nand_i64);
5083                     break;
5084                 case 0x06f: /* VIS I fnands */
5085                     CHECK_FPU_FEATURE(dc, VIS1);
5086                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_nand_i32);
5087                     break;
5088                 case 0x070: /* VIS I fand */
5089                     CHECK_FPU_FEATURE(dc, VIS1);
5090                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_and_i64);
5091                     break;
5092                 case 0x071: /* VIS I fands */
5093                     CHECK_FPU_FEATURE(dc, VIS1);
5094                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_and_i32);
5095                     break;
5096                 case 0x072: /* VIS I fxnor */
5097                     CHECK_FPU_FEATURE(dc, VIS1);
5098                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_eqv_i64);
5099                     break;
5100                 case 0x073: /* VIS I fxnors */
5101                     CHECK_FPU_FEATURE(dc, VIS1);
5102                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_eqv_i32);
5103                     break;
5104                 case 0x074: /* VIS I fsrc1 */
5105                     CHECK_FPU_FEATURE(dc, VIS1);
5106                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
5107                     gen_store_fpr_D(dc, rd, cpu_src1_64);
5108                     break;
5109                 case 0x075: /* VIS I fsrc1s */
5110                     CHECK_FPU_FEATURE(dc, VIS1);
5111                     cpu_src1_32 = gen_load_fpr_F(dc, rs1);
5112                     gen_store_fpr_F(dc, rd, cpu_src1_32);
5113                     break;
5114                 case 0x076: /* VIS I fornot2 */
5115                     CHECK_FPU_FEATURE(dc, VIS1);
5116                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_orc_i64);
5117                     break;
5118                 case 0x077: /* VIS I fornot2s */
5119                     CHECK_FPU_FEATURE(dc, VIS1);
5120                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_orc_i32);
5121                     break;
5122                 case 0x078: /* VIS I fsrc2 */
5123                     CHECK_FPU_FEATURE(dc, VIS1);
5124                     cpu_src1_64 = gen_load_fpr_D(dc, rs2);
5125                     gen_store_fpr_D(dc, rd, cpu_src1_64);
5126                     break;
5127                 case 0x079: /* VIS I fsrc2s */
5128                     CHECK_FPU_FEATURE(dc, VIS1);
5129                     cpu_src1_32 = gen_load_fpr_F(dc, rs2);
5130                     gen_store_fpr_F(dc, rd, cpu_src1_32);
5131                     break;
5132                 case 0x07a: /* VIS I fornot1 */
5133                     CHECK_FPU_FEATURE(dc, VIS1);
5134                     gen_ne_fop_DDD(dc, rd, rs2, rs1, tcg_gen_orc_i64);
5135                     break;
5136                 case 0x07b: /* VIS I fornot1s */
5137                     CHECK_FPU_FEATURE(dc, VIS1);
5138                     gen_ne_fop_FFF(dc, rd, rs2, rs1, tcg_gen_orc_i32);
5139                     break;
5140                 case 0x07c: /* VIS I for */
5141                     CHECK_FPU_FEATURE(dc, VIS1);
5142                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_or_i64);
5143                     break;
5144                 case 0x07d: /* VIS I fors */
5145                     CHECK_FPU_FEATURE(dc, VIS1);
5146                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_or_i32);
5147                     break;
5148                 case 0x07e: /* VIS I fone */
5149                     CHECK_FPU_FEATURE(dc, VIS1);
5150                     cpu_dst_64 = gen_dest_fpr_D(dc, rd);
5151                     tcg_gen_movi_i64(cpu_dst_64, -1);
5152                     gen_store_fpr_D(dc, rd, cpu_dst_64);
5153                     break;
5154                 case 0x07f: /* VIS I fones */
5155                     CHECK_FPU_FEATURE(dc, VIS1);
5156                     cpu_dst_32 = gen_dest_fpr_F(dc);
5157                     tcg_gen_movi_i32(cpu_dst_32, -1);
5158                     gen_store_fpr_F(dc, rd, cpu_dst_32);
5159                     break;
5160                 case 0x080: /* VIS I shutdown */
5161                 case 0x081: /* VIS II siam */
5162                     // XXX
5163                     goto illegal_insn;
5164                 default:
5165                     goto illegal_insn;
5166                 }
5167 #else
5168                 goto ncp_insn;
5169 #endif
5170             } else if (xop == 0x37) { /* V8 CPop2, V9 impdep2 */
5171 #ifdef TARGET_SPARC64
5172                 goto illegal_insn;
5173 #else
5174                 goto ncp_insn;
5175 #endif
5176 #ifdef TARGET_SPARC64
5177             } else if (xop == 0x39) { /* V9 return */
5178                 save_state(dc);
5179                 cpu_src1 = get_src1(dc, insn);
5180                 cpu_tmp0 = get_temp_tl(dc);
5181                 if (IS_IMM) {   /* immediate */
5182                     simm = GET_FIELDs(insn, 19, 31);
5183                     tcg_gen_addi_tl(cpu_tmp0, cpu_src1, simm);
5184                 } else {                /* register */
5185                     rs2 = GET_FIELD(insn, 27, 31);
5186                     if (rs2) {
5187                         cpu_src2 = gen_load_gpr(dc, rs2);
5188                         tcg_gen_add_tl(cpu_tmp0, cpu_src1, cpu_src2);
5189                     } else {
5190                         tcg_gen_mov_tl(cpu_tmp0, cpu_src1);
5191                     }
5192                 }
5193                 gen_helper_restore(cpu_env);
5194                 gen_mov_pc_npc(dc);
5195                 gen_check_align(cpu_tmp0, 3);
5196                 tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
5197                 dc->npc = DYNAMIC_PC;
5198                 goto jmp_insn;
5199 #endif
5200             } else {
5201                 cpu_src1 = get_src1(dc, insn);
5202                 cpu_tmp0 = get_temp_tl(dc);
5203                 if (IS_IMM) {   /* immediate */
5204                     simm = GET_FIELDs(insn, 19, 31);
5205                     tcg_gen_addi_tl(cpu_tmp0, cpu_src1, simm);
5206                 } else {                /* register */
5207                     rs2 = GET_FIELD(insn, 27, 31);
5208                     if (rs2) {
5209                         cpu_src2 = gen_load_gpr(dc, rs2);
5210                         tcg_gen_add_tl(cpu_tmp0, cpu_src1, cpu_src2);
5211                     } else {
5212                         tcg_gen_mov_tl(cpu_tmp0, cpu_src1);
5213                     }
5214                 }
5215                 switch (xop) {
5216                 case 0x38:      /* jmpl */
5217                     {
5218                         TCGv t = gen_dest_gpr(dc, rd);
5219                         tcg_gen_movi_tl(t, dc->pc);
5220                         gen_store_gpr(dc, rd, t);
5221 
5222                         gen_mov_pc_npc(dc);
5223                         gen_check_align(cpu_tmp0, 3);
5224                         gen_address_mask(dc, cpu_tmp0);
5225                         tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
5226                         dc->npc = DYNAMIC_PC;
5227                     }
5228                     goto jmp_insn;
5229 #if !defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64)
5230                 case 0x39:      /* rett, V9 return */
5231                     {
5232                         if (!supervisor(dc))
5233                             goto priv_insn;
5234                         gen_mov_pc_npc(dc);
5235                         gen_check_align(cpu_tmp0, 3);
5236                         tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
5237                         dc->npc = DYNAMIC_PC;
5238                         gen_helper_rett(cpu_env);
5239                     }
5240                     goto jmp_insn;
5241 #endif
5242                 case 0x3b: /* flush */
5243                     if (!((dc)->def->features & CPU_FEATURE_FLUSH))
5244                         goto unimp_flush;
5245                     /* nop */
5246                     break;
5247                 case 0x3c:      /* save */
5248                     gen_helper_save(cpu_env);
5249                     gen_store_gpr(dc, rd, cpu_tmp0);
5250                     break;
5251                 case 0x3d:      /* restore */
5252                     gen_helper_restore(cpu_env);
5253                     gen_store_gpr(dc, rd, cpu_tmp0);
5254                     break;
5255 #if !defined(CONFIG_USER_ONLY) && defined(TARGET_SPARC64)
5256                 case 0x3e:      /* V9 done/retry */
5257                     {
5258                         switch (rd) {
5259                         case 0:
5260                             if (!supervisor(dc))
5261                                 goto priv_insn;
5262                             dc->npc = DYNAMIC_PC;
5263                             dc->pc = DYNAMIC_PC;
5264                             gen_helper_done(cpu_env);
5265                             goto jmp_insn;
5266                         case 1:
5267                             if (!supervisor(dc))
5268                                 goto priv_insn;
5269                             dc->npc = DYNAMIC_PC;
5270                             dc->pc = DYNAMIC_PC;
5271                             gen_helper_retry(cpu_env);
5272                             goto jmp_insn;
5273                         default:
5274                             goto illegal_insn;
5275                         }
5276                     }
5277                     break;
5278 #endif
5279                 default:
5280                     goto illegal_insn;
5281                 }
5282             }
5283             break;
5284         }
5285         break;
5286     case 3:                     /* load/store instructions */
5287         {
5288             unsigned int xop = GET_FIELD(insn, 7, 12);
5289             /* ??? gen_address_mask prevents us from using a source
5290                register directly.  Always generate a temporary.  */
5291             TCGv cpu_addr = get_temp_tl(dc);
5292 
5293             tcg_gen_mov_tl(cpu_addr, get_src1(dc, insn));
5294             if (xop == 0x3c || xop == 0x3e) {
5295                 /* V9 casa/casxa : no offset */
5296             } else if (IS_IMM) {     /* immediate */
5297                 simm = GET_FIELDs(insn, 19, 31);
5298                 if (simm != 0) {
5299                     tcg_gen_addi_tl(cpu_addr, cpu_addr, simm);
5300                 }
5301             } else {            /* register */
5302                 rs2 = GET_FIELD(insn, 27, 31);
5303                 if (rs2 != 0) {
5304                     tcg_gen_add_tl(cpu_addr, cpu_addr, gen_load_gpr(dc, rs2));
5305                 }
5306             }
5307             if (xop < 4 || (xop > 7 && xop < 0x14 && xop != 0x0e) ||
5308                 (xop > 0x17 && xop <= 0x1d ) ||
5309                 (xop > 0x2c && xop <= 0x33) || xop == 0x1f || xop == 0x3d) {
5310                 TCGv cpu_val = gen_dest_gpr(dc, rd);
5311 
5312                 switch (xop) {
5313                 case 0x0:       /* ld, V9 lduw, load unsigned word */
5314                     gen_address_mask(dc, cpu_addr);
5315                     tcg_gen_qemu_ld32u(cpu_val, cpu_addr, dc->mem_idx);
5316                     break;
5317                 case 0x1:       /* ldub, load unsigned byte */
5318                     gen_address_mask(dc, cpu_addr);
5319                     tcg_gen_qemu_ld8u(cpu_val, cpu_addr, dc->mem_idx);
5320                     break;
5321                 case 0x2:       /* lduh, load unsigned halfword */
5322                     gen_address_mask(dc, cpu_addr);
5323                     tcg_gen_qemu_ld16u(cpu_val, cpu_addr, dc->mem_idx);
5324                     break;
5325                 case 0x3:       /* ldd, load double word */
5326                     if (rd & 1)
5327                         goto illegal_insn;
5328                     else {
5329                         TCGv_i64 t64;
5330 
5331                         gen_address_mask(dc, cpu_addr);
5332                         t64 = tcg_temp_new_i64();
5333                         tcg_gen_qemu_ld64(t64, cpu_addr, dc->mem_idx);
5334                         tcg_gen_trunc_i64_tl(cpu_val, t64);
5335                         tcg_gen_ext32u_tl(cpu_val, cpu_val);
5336                         gen_store_gpr(dc, rd + 1, cpu_val);
5337                         tcg_gen_shri_i64(t64, t64, 32);
5338                         tcg_gen_trunc_i64_tl(cpu_val, t64);
5339                         tcg_temp_free_i64(t64);
5340                         tcg_gen_ext32u_tl(cpu_val, cpu_val);
5341                     }
5342                     break;
5343                 case 0x9:       /* ldsb, load signed byte */
5344                     gen_address_mask(dc, cpu_addr);
5345                     tcg_gen_qemu_ld8s(cpu_val, cpu_addr, dc->mem_idx);
5346                     break;
5347                 case 0xa:       /* ldsh, load signed halfword */
5348                     gen_address_mask(dc, cpu_addr);
5349                     tcg_gen_qemu_ld16s(cpu_val, cpu_addr, dc->mem_idx);
5350                     break;
5351                 case 0xd:       /* ldstub */
5352                     gen_ldstub(dc, cpu_val, cpu_addr, dc->mem_idx);
5353                     break;
5354                 case 0x0f:
5355                     /* swap, swap register with memory. Also atomically */
5356                     CHECK_IU_FEATURE(dc, SWAP);
5357                     cpu_src1 = gen_load_gpr(dc, rd);
5358                     gen_swap(dc, cpu_val, cpu_src1, cpu_addr,
5359                              dc->mem_idx, MO_TEUL);
5360                     break;
5361 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5362                 case 0x10:      /* lda, V9 lduwa, load word alternate */
5363                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TEUL);
5364                     break;
5365                 case 0x11:      /* lduba, load unsigned byte alternate */
5366                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_UB);
5367                     break;
5368                 case 0x12:      /* lduha, load unsigned halfword alternate */
5369                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TEUW);
5370                     break;
5371                 case 0x13:      /* ldda, load double word alternate */
5372                     if (rd & 1) {
5373                         goto illegal_insn;
5374                     }
5375                     gen_ldda_asi(dc, cpu_addr, insn, rd);
5376                     goto skip_move;
5377                 case 0x19:      /* ldsba, load signed byte alternate */
5378                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_SB);
5379                     break;
5380                 case 0x1a:      /* ldsha, load signed halfword alternate */
5381                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TESW);
5382                     break;
5383                 case 0x1d:      /* ldstuba -- XXX: should be atomically */
5384                     gen_ldstub_asi(dc, cpu_val, cpu_addr, insn);
5385                     break;
5386                 case 0x1f:      /* swapa, swap reg with alt. memory. Also
5387                                    atomically */
5388                     CHECK_IU_FEATURE(dc, SWAP);
5389                     cpu_src1 = gen_load_gpr(dc, rd);
5390                     gen_swap_asi(dc, cpu_val, cpu_src1, cpu_addr, insn);
5391                     break;
5392 
5393 #ifndef TARGET_SPARC64
5394                 case 0x30: /* ldc */
5395                 case 0x31: /* ldcsr */
5396                 case 0x33: /* lddc */
5397                     goto ncp_insn;
5398 #endif
5399 #endif
5400 #ifdef TARGET_SPARC64
5401                 case 0x08: /* V9 ldsw */
5402                     gen_address_mask(dc, cpu_addr);
5403                     tcg_gen_qemu_ld32s(cpu_val, cpu_addr, dc->mem_idx);
5404                     break;
5405                 case 0x0b: /* V9 ldx */
5406                     gen_address_mask(dc, cpu_addr);
5407                     tcg_gen_qemu_ld64(cpu_val, cpu_addr, dc->mem_idx);
5408                     break;
5409                 case 0x18: /* V9 ldswa */
5410                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TESL);
5411                     break;
5412                 case 0x1b: /* V9 ldxa */
5413                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TEQ);
5414                     break;
5415                 case 0x2d: /* V9 prefetch, no effect */
5416                     goto skip_move;
5417                 case 0x30: /* V9 ldfa */
5418                     if (gen_trap_ifnofpu(dc)) {
5419                         goto jmp_insn;
5420                     }
5421                     gen_ldf_asi(dc, cpu_addr, insn, 4, rd);
5422                     gen_update_fprs_dirty(dc, rd);
5423                     goto skip_move;
5424                 case 0x33: /* V9 lddfa */
5425                     if (gen_trap_ifnofpu(dc)) {
5426                         goto jmp_insn;
5427                     }
5428                     gen_ldf_asi(dc, cpu_addr, insn, 8, DFPREG(rd));
5429                     gen_update_fprs_dirty(dc, DFPREG(rd));
5430                     goto skip_move;
5431                 case 0x3d: /* V9 prefetcha, no effect */
5432                     goto skip_move;
5433                 case 0x32: /* V9 ldqfa */
5434                     CHECK_FPU_FEATURE(dc, FLOAT128);
5435                     if (gen_trap_ifnofpu(dc)) {
5436                         goto jmp_insn;
5437                     }
5438                     gen_ldf_asi(dc, cpu_addr, insn, 16, QFPREG(rd));
5439                     gen_update_fprs_dirty(dc, QFPREG(rd));
5440                     goto skip_move;
5441 #endif
5442                 default:
5443                     goto illegal_insn;
5444                 }
5445                 gen_store_gpr(dc, rd, cpu_val);
5446 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5447             skip_move: ;
5448 #endif
5449             } else if (xop >= 0x20 && xop < 0x24) {
5450                 if (gen_trap_ifnofpu(dc)) {
5451                     goto jmp_insn;
5452                 }
5453                 switch (xop) {
5454                 case 0x20:      /* ldf, load fpreg */
5455                     gen_address_mask(dc, cpu_addr);
5456                     cpu_dst_32 = gen_dest_fpr_F(dc);
5457                     tcg_gen_qemu_ld_i32(cpu_dst_32, cpu_addr,
5458                                         dc->mem_idx, MO_TEUL);
5459                     gen_store_fpr_F(dc, rd, cpu_dst_32);
5460                     break;
5461                 case 0x21:      /* ldfsr, V9 ldxfsr */
5462 #ifdef TARGET_SPARC64
5463                     gen_address_mask(dc, cpu_addr);
5464                     if (rd == 1) {
5465                         TCGv_i64 t64 = tcg_temp_new_i64();
5466                         tcg_gen_qemu_ld_i64(t64, cpu_addr,
5467                                             dc->mem_idx, MO_TEQ);
5468                         gen_helper_ldxfsr(cpu_fsr, cpu_env, cpu_fsr, t64);
5469                         tcg_temp_free_i64(t64);
5470                         break;
5471                     }
5472 #endif
5473                     cpu_dst_32 = get_temp_i32(dc);
5474                     tcg_gen_qemu_ld_i32(cpu_dst_32, cpu_addr,
5475                                         dc->mem_idx, MO_TEUL);
5476                     gen_helper_ldfsr(cpu_fsr, cpu_env, cpu_fsr, cpu_dst_32);
5477                     break;
5478                 case 0x22:      /* ldqf, load quad fpreg */
5479                     CHECK_FPU_FEATURE(dc, FLOAT128);
5480                     gen_address_mask(dc, cpu_addr);
5481                     cpu_src1_64 = tcg_temp_new_i64();
5482                     tcg_gen_qemu_ld_i64(cpu_src1_64, cpu_addr, dc->mem_idx,
5483                                         MO_TEQ | MO_ALIGN_4);
5484                     tcg_gen_addi_tl(cpu_addr, cpu_addr, 8);
5485                     cpu_src2_64 = tcg_temp_new_i64();
5486                     tcg_gen_qemu_ld_i64(cpu_src2_64, cpu_addr, dc->mem_idx,
5487                                         MO_TEQ | MO_ALIGN_4);
5488                     gen_store_fpr_Q(dc, rd, cpu_src1_64, cpu_src2_64);
5489                     tcg_temp_free_i64(cpu_src1_64);
5490                     tcg_temp_free_i64(cpu_src2_64);
5491                     break;
5492                 case 0x23:      /* lddf, load double fpreg */
5493                     gen_address_mask(dc, cpu_addr);
5494                     cpu_dst_64 = gen_dest_fpr_D(dc, rd);
5495                     tcg_gen_qemu_ld_i64(cpu_dst_64, cpu_addr, dc->mem_idx,
5496                                         MO_TEQ | MO_ALIGN_4);
5497                     gen_store_fpr_D(dc, rd, cpu_dst_64);
5498                     break;
5499                 default:
5500                     goto illegal_insn;
5501                 }
5502             } else if (xop < 8 || (xop >= 0x14 && xop < 0x18) ||
5503                        xop == 0xe || xop == 0x1e) {
5504                 TCGv cpu_val = gen_load_gpr(dc, rd);
5505 
5506                 switch (xop) {
5507                 case 0x4: /* st, store word */
5508                     gen_address_mask(dc, cpu_addr);
5509                     tcg_gen_qemu_st32(cpu_val, cpu_addr, dc->mem_idx);
5510                     break;
5511                 case 0x5: /* stb, store byte */
5512                     gen_address_mask(dc, cpu_addr);
5513                     tcg_gen_qemu_st8(cpu_val, cpu_addr, dc->mem_idx);
5514                     break;
5515                 case 0x6: /* sth, store halfword */
5516                     gen_address_mask(dc, cpu_addr);
5517                     tcg_gen_qemu_st16(cpu_val, cpu_addr, dc->mem_idx);
5518                     break;
5519                 case 0x7: /* std, store double word */
5520                     if (rd & 1)
5521                         goto illegal_insn;
5522                     else {
5523                         TCGv_i64 t64;
5524                         TCGv lo;
5525 
5526                         gen_address_mask(dc, cpu_addr);
5527                         lo = gen_load_gpr(dc, rd + 1);
5528                         t64 = tcg_temp_new_i64();
5529                         tcg_gen_concat_tl_i64(t64, lo, cpu_val);
5530                         tcg_gen_qemu_st64(t64, cpu_addr, dc->mem_idx);
5531                         tcg_temp_free_i64(t64);
5532                     }
5533                     break;
5534 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5535                 case 0x14: /* sta, V9 stwa, store word alternate */
5536                     gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEUL);
5537                     break;
5538                 case 0x15: /* stba, store byte alternate */
5539                     gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_UB);
5540                     break;
5541                 case 0x16: /* stha, store halfword alternate */
5542                     gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEUW);
5543                     break;
5544                 case 0x17: /* stda, store double word alternate */
5545                     if (rd & 1) {
5546                         goto illegal_insn;
5547                     }
5548                     gen_stda_asi(dc, cpu_val, cpu_addr, insn, rd);
5549                     break;
5550 #endif
5551 #ifdef TARGET_SPARC64
5552                 case 0x0e: /* V9 stx */
5553                     gen_address_mask(dc, cpu_addr);
5554                     tcg_gen_qemu_st64(cpu_val, cpu_addr, dc->mem_idx);
5555                     break;
5556                 case 0x1e: /* V9 stxa */
5557                     gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEQ);
5558                     break;
5559 #endif
5560                 default:
5561                     goto illegal_insn;
5562                 }
5563             } else if (xop > 0x23 && xop < 0x28) {
5564                 if (gen_trap_ifnofpu(dc)) {
5565                     goto jmp_insn;
5566                 }
5567                 switch (xop) {
5568                 case 0x24: /* stf, store fpreg */
5569                     gen_address_mask(dc, cpu_addr);
5570                     cpu_src1_32 = gen_load_fpr_F(dc, rd);
5571                     tcg_gen_qemu_st_i32(cpu_src1_32, cpu_addr,
5572                                         dc->mem_idx, MO_TEUL);
5573                     break;
5574                 case 0x25: /* stfsr, V9 stxfsr */
5575                     {
5576 #ifdef TARGET_SPARC64
5577                         gen_address_mask(dc, cpu_addr);
5578                         if (rd == 1) {
5579                             tcg_gen_qemu_st64(cpu_fsr, cpu_addr, dc->mem_idx);
5580                             break;
5581                         }
5582 #endif
5583                         tcg_gen_qemu_st32(cpu_fsr, cpu_addr, dc->mem_idx);
5584                     }
5585                     break;
5586                 case 0x26:
5587 #ifdef TARGET_SPARC64
5588                     /* V9 stqf, store quad fpreg */
5589                     CHECK_FPU_FEATURE(dc, FLOAT128);
5590                     gen_address_mask(dc, cpu_addr);
5591                     /* ??? While stqf only requires 4-byte alignment, it is
5592                        legal for the cpu to signal the unaligned exception.
5593                        The OS trap handler is then required to fix it up.
5594                        For qemu, this avoids having to probe the second page
5595                        before performing the first write.  */
5596                     cpu_src1_64 = gen_load_fpr_Q0(dc, rd);
5597                     tcg_gen_qemu_st_i64(cpu_src1_64, cpu_addr,
5598                                         dc->mem_idx, MO_TEQ | MO_ALIGN_16);
5599                     tcg_gen_addi_tl(cpu_addr, cpu_addr, 8);
5600                     cpu_src2_64 = gen_load_fpr_Q1(dc, rd);
5601                     tcg_gen_qemu_st_i64(cpu_src1_64, cpu_addr,
5602                                         dc->mem_idx, MO_TEQ);
5603                     break;
5604 #else /* !TARGET_SPARC64 */
5605                     /* stdfq, store floating point queue */
5606 #if defined(CONFIG_USER_ONLY)
5607                     goto illegal_insn;
5608 #else
5609                     if (!supervisor(dc))
5610                         goto priv_insn;
5611                     if (gen_trap_ifnofpu(dc)) {
5612                         goto jmp_insn;
5613                     }
5614                     goto nfq_insn;
5615 #endif
5616 #endif
5617                 case 0x27: /* stdf, store double fpreg */
5618                     gen_address_mask(dc, cpu_addr);
5619                     cpu_src1_64 = gen_load_fpr_D(dc, rd);
5620                     tcg_gen_qemu_st_i64(cpu_src1_64, cpu_addr, dc->mem_idx,
5621                                         MO_TEQ | MO_ALIGN_4);
5622                     break;
5623                 default:
5624                     goto illegal_insn;
5625                 }
5626             } else if (xop > 0x33 && xop < 0x3f) {
5627                 switch (xop) {
5628 #ifdef TARGET_SPARC64
5629                 case 0x34: /* V9 stfa */
5630                     if (gen_trap_ifnofpu(dc)) {
5631                         goto jmp_insn;
5632                     }
5633                     gen_stf_asi(dc, cpu_addr, insn, 4, rd);
5634                     break;
5635                 case 0x36: /* V9 stqfa */
5636                     {
5637                         CHECK_FPU_FEATURE(dc, FLOAT128);
5638                         if (gen_trap_ifnofpu(dc)) {
5639                             goto jmp_insn;
5640                         }
5641                         gen_stf_asi(dc, cpu_addr, insn, 16, QFPREG(rd));
5642                     }
5643                     break;
5644                 case 0x37: /* V9 stdfa */
5645                     if (gen_trap_ifnofpu(dc)) {
5646                         goto jmp_insn;
5647                     }
5648                     gen_stf_asi(dc, cpu_addr, insn, 8, DFPREG(rd));
5649                     break;
5650                 case 0x3e: /* V9 casxa */
5651                     rs2 = GET_FIELD(insn, 27, 31);
5652                     cpu_src2 = gen_load_gpr(dc, rs2);
5653                     gen_casx_asi(dc, cpu_addr, cpu_src2, insn, rd);
5654                     break;
5655 #else
5656                 case 0x34: /* stc */
5657                 case 0x35: /* stcsr */
5658                 case 0x36: /* stdcq */
5659                 case 0x37: /* stdc */
5660                     goto ncp_insn;
5661 #endif
5662 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5663                 case 0x3c: /* V9 or LEON3 casa */
5664 #ifndef TARGET_SPARC64
5665                     CHECK_IU_FEATURE(dc, CASA);
5666 #endif
5667                     rs2 = GET_FIELD(insn, 27, 31);
5668                     cpu_src2 = gen_load_gpr(dc, rs2);
5669                     gen_cas_asi(dc, cpu_addr, cpu_src2, insn, rd);
5670                     break;
5671 #endif
5672                 default:
5673                     goto illegal_insn;
5674                 }
5675             } else {
5676                 goto illegal_insn;
5677             }
5678         }
5679         break;
5680     }
5681     /* default case for non jump instructions */
5682     if (dc->npc == DYNAMIC_PC) {
5683         dc->pc = DYNAMIC_PC;
5684         gen_op_next_insn();
5685     } else if (dc->npc == JUMP_PC) {
5686         /* we can do a static jump */
5687         gen_branch2(dc, dc->jump_pc[0], dc->jump_pc[1], cpu_cond);
5688         dc->is_br = 1;
5689     } else {
5690         dc->pc = dc->npc;
5691         dc->npc = dc->npc + 4;
5692     }
5693  jmp_insn:
5694     goto egress;
5695  illegal_insn:
5696     gen_exception(dc, TT_ILL_INSN);
5697     goto egress;
5698  unimp_flush:
5699     gen_exception(dc, TT_UNIMP_FLUSH);
5700     goto egress;
5701 #if !defined(CONFIG_USER_ONLY)
5702  priv_insn:
5703     gen_exception(dc, TT_PRIV_INSN);
5704     goto egress;
5705 #endif
5706  nfpu_insn:
5707     gen_op_fpexception_im(dc, FSR_FTT_UNIMPFPOP);
5708     goto egress;
5709 #if !defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64)
5710  nfq_insn:
5711     gen_op_fpexception_im(dc, FSR_FTT_SEQ_ERROR);
5712     goto egress;
5713 #endif
5714 #ifndef TARGET_SPARC64
5715  ncp_insn:
5716     gen_exception(dc, TT_NCP_INSN);
5717     goto egress;
5718 #endif
5719  egress:
5720     if (dc->n_t32 != 0) {
5721         int i;
5722         for (i = dc->n_t32 - 1; i >= 0; --i) {
5723             tcg_temp_free_i32(dc->t32[i]);
5724         }
5725         dc->n_t32 = 0;
5726     }
5727     if (dc->n_ttl != 0) {
5728         int i;
5729         for (i = dc->n_ttl - 1; i >= 0; --i) {
5730             tcg_temp_free(dc->ttl[i]);
5731         }
5732         dc->n_ttl = 0;
5733     }
5734 }
5735 
5736 void gen_intermediate_code(CPUState *cs, TranslationBlock * tb)
5737 {
5738     CPUSPARCState *env = cs->env_ptr;
5739     target_ulong pc_start, last_pc;
5740     DisasContext dc1, *dc = &dc1;
5741     int num_insns;
5742     int max_insns;
5743     unsigned int insn;
5744 
5745     memset(dc, 0, sizeof(DisasContext));
5746     dc->tb = tb;
5747     pc_start = tb->pc;
5748     dc->pc = pc_start;
5749     last_pc = dc->pc;
5750     dc->npc = (target_ulong) tb->cs_base;
5751     dc->cc_op = CC_OP_DYNAMIC;
5752     dc->mem_idx = tb->flags & TB_FLAG_MMU_MASK;
5753     dc->def = &env->def;
5754     dc->fpu_enabled = tb_fpu_enabled(tb->flags);
5755     dc->address_mask_32bit = tb_am_enabled(tb->flags);
5756     dc->singlestep = (cs->singlestep_enabled || singlestep);
5757 #ifndef CONFIG_USER_ONLY
5758     dc->supervisor = (tb->flags & TB_FLAG_SUPER) != 0;
5759 #endif
5760 #ifdef TARGET_SPARC64
5761     dc->fprs_dirty = 0;
5762     dc->asi = (tb->flags >> TB_FLAG_ASI_SHIFT) & 0xff;
5763 #ifndef CONFIG_USER_ONLY
5764     dc->hypervisor = (tb->flags & TB_FLAG_HYPER) != 0;
5765 #endif
5766 #endif
5767 
5768     num_insns = 0;
5769     max_insns = tb_cflags(tb) & CF_COUNT_MASK;
5770     if (max_insns == 0) {
5771         max_insns = CF_COUNT_MASK;
5772     }
5773     if (max_insns > TCG_MAX_INSNS) {
5774         max_insns = TCG_MAX_INSNS;
5775     }
5776 
5777     gen_tb_start(tb);
5778     do {
5779         if (dc->npc & JUMP_PC) {
5780             assert(dc->jump_pc[1] == dc->pc + 4);
5781             tcg_gen_insn_start(dc->pc, dc->jump_pc[0] | JUMP_PC);
5782         } else {
5783             tcg_gen_insn_start(dc->pc, dc->npc);
5784         }
5785         num_insns++;
5786         last_pc = dc->pc;
5787 
5788         if (unlikely(cpu_breakpoint_test(cs, dc->pc, BP_ANY))) {
5789             if (dc->pc != pc_start) {
5790                 save_state(dc);
5791             }
5792             gen_helper_debug(cpu_env);
5793             tcg_gen_exit_tb(0);
5794             dc->is_br = 1;
5795             goto exit_gen_loop;
5796         }
5797 
5798         if (num_insns == max_insns && (tb_cflags(tb) & CF_LAST_IO)) {
5799             gen_io_start();
5800         }
5801 
5802         insn = cpu_ldl_code(env, dc->pc);
5803 
5804         disas_sparc_insn(dc, insn);
5805 
5806         if (dc->is_br)
5807             break;
5808         /* if the next PC is different, we abort now */
5809         if (dc->pc != (last_pc + 4))
5810             break;
5811         /* if we reach a page boundary, we stop generation so that the
5812            PC of a TT_TFAULT exception is always in the right page */
5813         if ((dc->pc & (TARGET_PAGE_SIZE - 1)) == 0)
5814             break;
5815         /* if single step mode, we generate only one instruction and
5816            generate an exception */
5817         if (dc->singlestep) {
5818             break;
5819         }
5820     } while (!tcg_op_buf_full() &&
5821              (dc->pc - pc_start) < (TARGET_PAGE_SIZE - 32) &&
5822              num_insns < max_insns);
5823 
5824  exit_gen_loop:
5825     if (tb_cflags(tb) & CF_LAST_IO) {
5826         gen_io_end();
5827     }
5828     if (!dc->is_br) {
5829         if (dc->pc != DYNAMIC_PC &&
5830             (dc->npc != DYNAMIC_PC && dc->npc != JUMP_PC)) {
5831             /* static PC and NPC: we can use direct chaining */
5832             gen_goto_tb(dc, 0, dc->pc, dc->npc);
5833         } else {
5834             if (dc->pc != DYNAMIC_PC) {
5835                 tcg_gen_movi_tl(cpu_pc, dc->pc);
5836             }
5837             save_npc(dc);
5838             tcg_gen_exit_tb(0);
5839         }
5840     }
5841     gen_tb_end(tb, num_insns);
5842 
5843     tb->size = last_pc + 4 - pc_start;
5844     tb->icount = num_insns;
5845 
5846 #ifdef DEBUG_DISAS
5847     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)
5848         && qemu_log_in_addr_range(pc_start)) {
5849         qemu_log_lock();
5850         qemu_log("--------------\n");
5851         qemu_log("IN: %s\n", lookup_symbol(pc_start));
5852         log_target_disas(cs, pc_start, last_pc + 4 - pc_start);
5853         qemu_log("\n");
5854         qemu_log_unlock();
5855     }
5856 #endif
5857 }
5858 
5859 void sparc_tcg_init(void)
5860 {
5861     static const char gregnames[32][4] = {
5862         "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
5863         "o0", "o1", "o2", "o3", "o4", "o5", "o6", "o7",
5864         "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
5865         "i0", "i1", "i2", "i3", "i4", "i5", "i6", "i7",
5866     };
5867     static const char fregnames[32][4] = {
5868         "f0", "f2", "f4", "f6", "f8", "f10", "f12", "f14",
5869         "f16", "f18", "f20", "f22", "f24", "f26", "f28", "f30",
5870         "f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46",
5871         "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62",
5872     };
5873 
5874     static const struct { TCGv_i32 *ptr; int off; const char *name; } r32[] = {
5875 #ifdef TARGET_SPARC64
5876         { &cpu_xcc, offsetof(CPUSPARCState, xcc), "xcc" },
5877         { &cpu_fprs, offsetof(CPUSPARCState, fprs), "fprs" },
5878 #else
5879         { &cpu_wim, offsetof(CPUSPARCState, wim), "wim" },
5880 #endif
5881         { &cpu_cc_op, offsetof(CPUSPARCState, cc_op), "cc_op" },
5882         { &cpu_psr, offsetof(CPUSPARCState, psr), "psr" },
5883     };
5884 
5885     static const struct { TCGv *ptr; int off; const char *name; } rtl[] = {
5886 #ifdef TARGET_SPARC64
5887         { &cpu_gsr, offsetof(CPUSPARCState, gsr), "gsr" },
5888         { &cpu_tick_cmpr, offsetof(CPUSPARCState, tick_cmpr), "tick_cmpr" },
5889         { &cpu_stick_cmpr, offsetof(CPUSPARCState, stick_cmpr), "stick_cmpr" },
5890         { &cpu_hstick_cmpr, offsetof(CPUSPARCState, hstick_cmpr),
5891           "hstick_cmpr" },
5892         { &cpu_hintp, offsetof(CPUSPARCState, hintp), "hintp" },
5893         { &cpu_htba, offsetof(CPUSPARCState, htba), "htba" },
5894         { &cpu_hver, offsetof(CPUSPARCState, hver), "hver" },
5895         { &cpu_ssr, offsetof(CPUSPARCState, ssr), "ssr" },
5896         { &cpu_ver, offsetof(CPUSPARCState, version), "ver" },
5897 #endif
5898         { &cpu_cond, offsetof(CPUSPARCState, cond), "cond" },
5899         { &cpu_cc_src, offsetof(CPUSPARCState, cc_src), "cc_src" },
5900         { &cpu_cc_src2, offsetof(CPUSPARCState, cc_src2), "cc_src2" },
5901         { &cpu_cc_dst, offsetof(CPUSPARCState, cc_dst), "cc_dst" },
5902         { &cpu_fsr, offsetof(CPUSPARCState, fsr), "fsr" },
5903         { &cpu_pc, offsetof(CPUSPARCState, pc), "pc" },
5904         { &cpu_npc, offsetof(CPUSPARCState, npc), "npc" },
5905         { &cpu_y, offsetof(CPUSPARCState, y), "y" },
5906 #ifndef CONFIG_USER_ONLY
5907         { &cpu_tbr, offsetof(CPUSPARCState, tbr), "tbr" },
5908 #endif
5909     };
5910 
5911     unsigned int i;
5912 
5913     cpu_regwptr = tcg_global_mem_new_ptr(cpu_env,
5914                                          offsetof(CPUSPARCState, regwptr),
5915                                          "regwptr");
5916 
5917     for (i = 0; i < ARRAY_SIZE(r32); ++i) {
5918         *r32[i].ptr = tcg_global_mem_new_i32(cpu_env, r32[i].off, r32[i].name);
5919     }
5920 
5921     for (i = 0; i < ARRAY_SIZE(rtl); ++i) {
5922         *rtl[i].ptr = tcg_global_mem_new(cpu_env, rtl[i].off, rtl[i].name);
5923     }
5924 
5925     cpu_regs[0] = NULL;
5926     for (i = 1; i < 8; ++i) {
5927         cpu_regs[i] = tcg_global_mem_new(cpu_env,
5928                                          offsetof(CPUSPARCState, gregs[i]),
5929                                          gregnames[i]);
5930     }
5931 
5932     for (i = 8; i < 32; ++i) {
5933         cpu_regs[i] = tcg_global_mem_new(cpu_regwptr,
5934                                          (i - 8) * sizeof(target_ulong),
5935                                          gregnames[i]);
5936     }
5937 
5938     for (i = 0; i < TARGET_DPREGS; i++) {
5939         cpu_fpr[i] = tcg_global_mem_new_i64(cpu_env,
5940                                             offsetof(CPUSPARCState, fpr[i]),
5941                                             fregnames[i]);
5942     }
5943 }
5944 
5945 void restore_state_to_opc(CPUSPARCState *env, TranslationBlock *tb,
5946                           target_ulong *data)
5947 {
5948     target_ulong pc = data[0];
5949     target_ulong npc = data[1];
5950 
5951     env->pc = pc;
5952     if (npc == DYNAMIC_PC) {
5953         /* dynamic NPC: already stored */
5954     } else if (npc & JUMP_PC) {
5955         /* jump PC: use 'cond' and the jump targets of the translation */
5956         if (env->cond) {
5957             env->npc = npc & ~3;
5958         } else {
5959             env->npc = pc + 4;
5960         }
5961     } else {
5962         env->npc = npc;
5963     }
5964 }
5965