xref: /openbmc/qemu/tcg/tci.c (revision fc313c64)
1 /*
2  * Tiny Code Interpreter for QEMU
3  *
4  * Copyright (c) 2009, 2011, 2016 Stefan Weil
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #include "qemu/osdep.h"
21 #include "qemu-common.h"
22 #include "tcg/tcg.h"           /* MAX_OPC_PARAM_IARGS */
23 #include "exec/cpu_ldst.h"
24 #include "tcg/tcg-op.h"
25 #include "tcg/tcg-ldst.h"
26 #include "qemu/compiler.h"
27 #include <ffi.h>
28 
29 
30 /*
31  * Enable TCI assertions only when debugging TCG (and without NDEBUG defined).
32  * Without assertions, the interpreter runs much faster.
33  */
34 #if defined(CONFIG_DEBUG_TCG)
35 # define tci_assert(cond) assert(cond)
36 #else
37 # define tci_assert(cond) ((void)(cond))
38 #endif
39 
40 __thread uintptr_t tci_tb_ptr;
41 
42 static void tci_write_reg64(tcg_target_ulong *regs, uint32_t high_index,
43                             uint32_t low_index, uint64_t value)
44 {
45     regs[low_index] = (uint32_t)value;
46     regs[high_index] = value >> 32;
47 }
48 
49 /* Create a 64 bit value from two 32 bit values. */
50 static uint64_t tci_uint64(uint32_t high, uint32_t low)
51 {
52     return ((uint64_t)high << 32) + low;
53 }
54 
55 /*
56  * Load sets of arguments all at once.  The naming convention is:
57  *   tci_args_<arguments>
58  * where arguments is a sequence of
59  *
60  *   b = immediate (bit position)
61  *   c = condition (TCGCond)
62  *   i = immediate (uint32_t)
63  *   I = immediate (tcg_target_ulong)
64  *   l = label or pointer
65  *   m = immediate (MemOpIdx)
66  *   n = immediate (call return length)
67  *   r = register
68  *   s = signed ldst offset
69  */
70 
71 static void tci_args_l(uint32_t insn, const void *tb_ptr, void **l0)
72 {
73     int diff = sextract32(insn, 12, 20);
74     *l0 = diff ? (void *)tb_ptr + diff : NULL;
75 }
76 
77 static void tci_args_r(uint32_t insn, TCGReg *r0)
78 {
79     *r0 = extract32(insn, 8, 4);
80 }
81 
82 static void tci_args_nl(uint32_t insn, const void *tb_ptr,
83                         uint8_t *n0, void **l1)
84 {
85     *n0 = extract32(insn, 8, 4);
86     *l1 = sextract32(insn, 12, 20) + (void *)tb_ptr;
87 }
88 
89 static void tci_args_rl(uint32_t insn, const void *tb_ptr,
90                         TCGReg *r0, void **l1)
91 {
92     *r0 = extract32(insn, 8, 4);
93     *l1 = sextract32(insn, 12, 20) + (void *)tb_ptr;
94 }
95 
96 static void tci_args_rr(uint32_t insn, TCGReg *r0, TCGReg *r1)
97 {
98     *r0 = extract32(insn, 8, 4);
99     *r1 = extract32(insn, 12, 4);
100 }
101 
102 static void tci_args_ri(uint32_t insn, TCGReg *r0, tcg_target_ulong *i1)
103 {
104     *r0 = extract32(insn, 8, 4);
105     *i1 = sextract32(insn, 12, 20);
106 }
107 
108 static void tci_args_rrm(uint32_t insn, TCGReg *r0,
109                          TCGReg *r1, MemOpIdx *m2)
110 {
111     *r0 = extract32(insn, 8, 4);
112     *r1 = extract32(insn, 12, 4);
113     *m2 = extract32(insn, 20, 12);
114 }
115 
116 static void tci_args_rrr(uint32_t insn, TCGReg *r0, TCGReg *r1, TCGReg *r2)
117 {
118     *r0 = extract32(insn, 8, 4);
119     *r1 = extract32(insn, 12, 4);
120     *r2 = extract32(insn, 16, 4);
121 }
122 
123 static void tci_args_rrs(uint32_t insn, TCGReg *r0, TCGReg *r1, int32_t *i2)
124 {
125     *r0 = extract32(insn, 8, 4);
126     *r1 = extract32(insn, 12, 4);
127     *i2 = sextract32(insn, 16, 16);
128 }
129 
130 static void tci_args_rrbb(uint32_t insn, TCGReg *r0, TCGReg *r1,
131                           uint8_t *i2, uint8_t *i3)
132 {
133     *r0 = extract32(insn, 8, 4);
134     *r1 = extract32(insn, 12, 4);
135     *i2 = extract32(insn, 16, 6);
136     *i3 = extract32(insn, 22, 6);
137 }
138 
139 static void tci_args_rrrc(uint32_t insn,
140                           TCGReg *r0, TCGReg *r1, TCGReg *r2, TCGCond *c3)
141 {
142     *r0 = extract32(insn, 8, 4);
143     *r1 = extract32(insn, 12, 4);
144     *r2 = extract32(insn, 16, 4);
145     *c3 = extract32(insn, 20, 4);
146 }
147 
148 static void tci_args_rrrm(uint32_t insn,
149                           TCGReg *r0, TCGReg *r1, TCGReg *r2, MemOpIdx *m3)
150 {
151     *r0 = extract32(insn, 8, 4);
152     *r1 = extract32(insn, 12, 4);
153     *r2 = extract32(insn, 16, 4);
154     *m3 = extract32(insn, 20, 12);
155 }
156 
157 static void tci_args_rrrbb(uint32_t insn, TCGReg *r0, TCGReg *r1,
158                            TCGReg *r2, uint8_t *i3, uint8_t *i4)
159 {
160     *r0 = extract32(insn, 8, 4);
161     *r1 = extract32(insn, 12, 4);
162     *r2 = extract32(insn, 16, 4);
163     *i3 = extract32(insn, 20, 6);
164     *i4 = extract32(insn, 26, 6);
165 }
166 
167 static void tci_args_rrrrr(uint32_t insn, TCGReg *r0, TCGReg *r1,
168                            TCGReg *r2, TCGReg *r3, TCGReg *r4)
169 {
170     *r0 = extract32(insn, 8, 4);
171     *r1 = extract32(insn, 12, 4);
172     *r2 = extract32(insn, 16, 4);
173     *r3 = extract32(insn, 20, 4);
174     *r4 = extract32(insn, 24, 4);
175 }
176 
177 static void tci_args_rrrr(uint32_t insn,
178                           TCGReg *r0, TCGReg *r1, TCGReg *r2, TCGReg *r3)
179 {
180     *r0 = extract32(insn, 8, 4);
181     *r1 = extract32(insn, 12, 4);
182     *r2 = extract32(insn, 16, 4);
183     *r3 = extract32(insn, 20, 4);
184 }
185 
186 static void tci_args_rrrrrc(uint32_t insn, TCGReg *r0, TCGReg *r1,
187                             TCGReg *r2, TCGReg *r3, TCGReg *r4, TCGCond *c5)
188 {
189     *r0 = extract32(insn, 8, 4);
190     *r1 = extract32(insn, 12, 4);
191     *r2 = extract32(insn, 16, 4);
192     *r3 = extract32(insn, 20, 4);
193     *r4 = extract32(insn, 24, 4);
194     *c5 = extract32(insn, 28, 4);
195 }
196 
197 static void tci_args_rrrrrr(uint32_t insn, TCGReg *r0, TCGReg *r1,
198                             TCGReg *r2, TCGReg *r3, TCGReg *r4, TCGReg *r5)
199 {
200     *r0 = extract32(insn, 8, 4);
201     *r1 = extract32(insn, 12, 4);
202     *r2 = extract32(insn, 16, 4);
203     *r3 = extract32(insn, 20, 4);
204     *r4 = extract32(insn, 24, 4);
205     *r5 = extract32(insn, 28, 4);
206 }
207 
208 static bool tci_compare32(uint32_t u0, uint32_t u1, TCGCond condition)
209 {
210     bool result = false;
211     int32_t i0 = u0;
212     int32_t i1 = u1;
213     switch (condition) {
214     case TCG_COND_EQ:
215         result = (u0 == u1);
216         break;
217     case TCG_COND_NE:
218         result = (u0 != u1);
219         break;
220     case TCG_COND_LT:
221         result = (i0 < i1);
222         break;
223     case TCG_COND_GE:
224         result = (i0 >= i1);
225         break;
226     case TCG_COND_LE:
227         result = (i0 <= i1);
228         break;
229     case TCG_COND_GT:
230         result = (i0 > i1);
231         break;
232     case TCG_COND_LTU:
233         result = (u0 < u1);
234         break;
235     case TCG_COND_GEU:
236         result = (u0 >= u1);
237         break;
238     case TCG_COND_LEU:
239         result = (u0 <= u1);
240         break;
241     case TCG_COND_GTU:
242         result = (u0 > u1);
243         break;
244     default:
245         g_assert_not_reached();
246     }
247     return result;
248 }
249 
250 static bool tci_compare64(uint64_t u0, uint64_t u1, TCGCond condition)
251 {
252     bool result = false;
253     int64_t i0 = u0;
254     int64_t i1 = u1;
255     switch (condition) {
256     case TCG_COND_EQ:
257         result = (u0 == u1);
258         break;
259     case TCG_COND_NE:
260         result = (u0 != u1);
261         break;
262     case TCG_COND_LT:
263         result = (i0 < i1);
264         break;
265     case TCG_COND_GE:
266         result = (i0 >= i1);
267         break;
268     case TCG_COND_LE:
269         result = (i0 <= i1);
270         break;
271     case TCG_COND_GT:
272         result = (i0 > i1);
273         break;
274     case TCG_COND_LTU:
275         result = (u0 < u1);
276         break;
277     case TCG_COND_GEU:
278         result = (u0 >= u1);
279         break;
280     case TCG_COND_LEU:
281         result = (u0 <= u1);
282         break;
283     case TCG_COND_GTU:
284         result = (u0 > u1);
285         break;
286     default:
287         g_assert_not_reached();
288     }
289     return result;
290 }
291 
292 static uint64_t tci_qemu_ld(CPUArchState *env, target_ulong taddr,
293                             MemOpIdx oi, const void *tb_ptr)
294 {
295     MemOp mop = get_memop(oi) & (MO_BSWAP | MO_SSIZE);
296     uintptr_t ra = (uintptr_t)tb_ptr;
297 
298 #ifdef CONFIG_SOFTMMU
299     switch (mop) {
300     case MO_UB:
301         return helper_ret_ldub_mmu(env, taddr, oi, ra);
302     case MO_SB:
303         return helper_ret_ldsb_mmu(env, taddr, oi, ra);
304     case MO_LEUW:
305         return helper_le_lduw_mmu(env, taddr, oi, ra);
306     case MO_LESW:
307         return helper_le_ldsw_mmu(env, taddr, oi, ra);
308     case MO_LEUL:
309         return helper_le_ldul_mmu(env, taddr, oi, ra);
310     case MO_LESL:
311         return helper_le_ldsl_mmu(env, taddr, oi, ra);
312     case MO_LEUQ:
313         return helper_le_ldq_mmu(env, taddr, oi, ra);
314     case MO_BEUW:
315         return helper_be_lduw_mmu(env, taddr, oi, ra);
316     case MO_BESW:
317         return helper_be_ldsw_mmu(env, taddr, oi, ra);
318     case MO_BEUL:
319         return helper_be_ldul_mmu(env, taddr, oi, ra);
320     case MO_BESL:
321         return helper_be_ldsl_mmu(env, taddr, oi, ra);
322     case MO_BEUQ:
323         return helper_be_ldq_mmu(env, taddr, oi, ra);
324     default:
325         g_assert_not_reached();
326     }
327 #else
328     void *haddr = g2h(env_cpu(env), taddr);
329     uint64_t ret;
330 
331     set_helper_retaddr(ra);
332     switch (mop) {
333     case MO_UB:
334         ret = ldub_p(haddr);
335         break;
336     case MO_SB:
337         ret = ldsb_p(haddr);
338         break;
339     case MO_LEUW:
340         ret = lduw_le_p(haddr);
341         break;
342     case MO_LESW:
343         ret = ldsw_le_p(haddr);
344         break;
345     case MO_LEUL:
346         ret = (uint32_t)ldl_le_p(haddr);
347         break;
348     case MO_LESL:
349         ret = (int32_t)ldl_le_p(haddr);
350         break;
351     case MO_LEUQ:
352         ret = ldq_le_p(haddr);
353         break;
354     case MO_BEUW:
355         ret = lduw_be_p(haddr);
356         break;
357     case MO_BESW:
358         ret = ldsw_be_p(haddr);
359         break;
360     case MO_BEUL:
361         ret = (uint32_t)ldl_be_p(haddr);
362         break;
363     case MO_BESL:
364         ret = (int32_t)ldl_be_p(haddr);
365         break;
366     case MO_BEUQ:
367         ret = ldq_be_p(haddr);
368         break;
369     default:
370         g_assert_not_reached();
371     }
372     clear_helper_retaddr();
373     return ret;
374 #endif
375 }
376 
377 static void tci_qemu_st(CPUArchState *env, target_ulong taddr, uint64_t val,
378                         MemOpIdx oi, const void *tb_ptr)
379 {
380     MemOp mop = get_memop(oi) & (MO_BSWAP | MO_SSIZE);
381     uintptr_t ra = (uintptr_t)tb_ptr;
382 
383 #ifdef CONFIG_SOFTMMU
384     switch (mop) {
385     case MO_UB:
386         helper_ret_stb_mmu(env, taddr, val, oi, ra);
387         break;
388     case MO_LEUW:
389         helper_le_stw_mmu(env, taddr, val, oi, ra);
390         break;
391     case MO_LEUL:
392         helper_le_stl_mmu(env, taddr, val, oi, ra);
393         break;
394     case MO_LEUQ:
395         helper_le_stq_mmu(env, taddr, val, oi, ra);
396         break;
397     case MO_BEUW:
398         helper_be_stw_mmu(env, taddr, val, oi, ra);
399         break;
400     case MO_BEUL:
401         helper_be_stl_mmu(env, taddr, val, oi, ra);
402         break;
403     case MO_BEUQ:
404         helper_be_stq_mmu(env, taddr, val, oi, ra);
405         break;
406     default:
407         g_assert_not_reached();
408     }
409 #else
410     void *haddr = g2h(env_cpu(env), taddr);
411 
412     set_helper_retaddr(ra);
413     switch (mop) {
414     case MO_UB:
415         stb_p(haddr, val);
416         break;
417     case MO_LEUW:
418         stw_le_p(haddr, val);
419         break;
420     case MO_LEUL:
421         stl_le_p(haddr, val);
422         break;
423     case MO_LEUQ:
424         stq_le_p(haddr, val);
425         break;
426     case MO_BEUW:
427         stw_be_p(haddr, val);
428         break;
429     case MO_BEUL:
430         stl_be_p(haddr, val);
431         break;
432     case MO_BEUQ:
433         stq_be_p(haddr, val);
434         break;
435     default:
436         g_assert_not_reached();
437     }
438     clear_helper_retaddr();
439 #endif
440 }
441 
442 #if TCG_TARGET_REG_BITS == 64
443 # define CASE_32_64(x) \
444         case glue(glue(INDEX_op_, x), _i64): \
445         case glue(glue(INDEX_op_, x), _i32):
446 # define CASE_64(x) \
447         case glue(glue(INDEX_op_, x), _i64):
448 #else
449 # define CASE_32_64(x) \
450         case glue(glue(INDEX_op_, x), _i32):
451 # define CASE_64(x)
452 #endif
453 
454 /* Interpret pseudo code in tb. */
455 /*
456  * Disable CFI checks.
457  * One possible operation in the pseudo code is a call to binary code.
458  * Therefore, disable CFI checks in the interpreter function
459  */
460 uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
461                                             const void *v_tb_ptr)
462 {
463     const uint32_t *tb_ptr = v_tb_ptr;
464     tcg_target_ulong regs[TCG_TARGET_NB_REGS];
465     uint64_t stack[(TCG_STATIC_CALL_ARGS_SIZE + TCG_STATIC_FRAME_SIZE)
466                    / sizeof(uint64_t)];
467     void *call_slots[TCG_STATIC_CALL_ARGS_SIZE / sizeof(uint64_t)];
468 
469     regs[TCG_AREG0] = (tcg_target_ulong)env;
470     regs[TCG_REG_CALL_STACK] = (uintptr_t)stack;
471     /* Other call_slots entries initialized at first use (see below). */
472     call_slots[0] = NULL;
473     tci_assert(tb_ptr);
474 
475     for (;;) {
476         uint32_t insn;
477         TCGOpcode opc;
478         TCGReg r0, r1, r2, r3, r4, r5;
479         tcg_target_ulong t1;
480         TCGCond condition;
481         target_ulong taddr;
482         uint8_t pos, len;
483         uint32_t tmp32;
484         uint64_t tmp64;
485         uint64_t T1, T2;
486         MemOpIdx oi;
487         int32_t ofs;
488         void *ptr;
489 
490         insn = *tb_ptr++;
491         opc = extract32(insn, 0, 8);
492 
493         switch (opc) {
494         case INDEX_op_call:
495             /*
496              * Set up the ffi_avalue array once, delayed until now
497              * because many TB's do not make any calls. In tcg_gen_callN,
498              * we arranged for every real argument to be "left-aligned"
499              * in each 64-bit slot.
500              */
501             if (unlikely(call_slots[0] == NULL)) {
502                 for (int i = 0; i < ARRAY_SIZE(call_slots); ++i) {
503                     call_slots[i] = &stack[i];
504                 }
505             }
506 
507             tci_args_nl(insn, tb_ptr, &len, &ptr);
508 
509             /* Helper functions may need to access the "return address" */
510             tci_tb_ptr = (uintptr_t)tb_ptr;
511 
512             {
513                 void **pptr = ptr;
514                 ffi_call(pptr[1], pptr[0], stack, call_slots);
515             }
516 
517             /* Any result winds up "left-aligned" in the stack[0] slot. */
518             switch (len) {
519             case 0: /* void */
520                 break;
521             case 1: /* uint32_t */
522                 /*
523                  * Note that libffi has an odd special case in that it will
524                  * always widen an integral result to ffi_arg.
525                  */
526                 if (sizeof(ffi_arg) == 4) {
527                     regs[TCG_REG_R0] = *(uint32_t *)stack;
528                     break;
529                 }
530                 /* fall through */
531             case 2: /* uint64_t */
532                 if (TCG_TARGET_REG_BITS == 32) {
533                     tci_write_reg64(regs, TCG_REG_R1, TCG_REG_R0, stack[0]);
534                 } else {
535                     regs[TCG_REG_R0] = stack[0];
536                 }
537                 break;
538             default:
539                 g_assert_not_reached();
540             }
541             break;
542 
543         case INDEX_op_br:
544             tci_args_l(insn, tb_ptr, &ptr);
545             tb_ptr = ptr;
546             continue;
547         case INDEX_op_setcond_i32:
548             tci_args_rrrc(insn, &r0, &r1, &r2, &condition);
549             regs[r0] = tci_compare32(regs[r1], regs[r2], condition);
550             break;
551         case INDEX_op_movcond_i32:
552             tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &condition);
553             tmp32 = tci_compare32(regs[r1], regs[r2], condition);
554             regs[r0] = regs[tmp32 ? r3 : r4];
555             break;
556 #if TCG_TARGET_REG_BITS == 32
557         case INDEX_op_setcond2_i32:
558             tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &condition);
559             T1 = tci_uint64(regs[r2], regs[r1]);
560             T2 = tci_uint64(regs[r4], regs[r3]);
561             regs[r0] = tci_compare64(T1, T2, condition);
562             break;
563 #elif TCG_TARGET_REG_BITS == 64
564         case INDEX_op_setcond_i64:
565             tci_args_rrrc(insn, &r0, &r1, &r2, &condition);
566             regs[r0] = tci_compare64(regs[r1], regs[r2], condition);
567             break;
568         case INDEX_op_movcond_i64:
569             tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &condition);
570             tmp32 = tci_compare64(regs[r1], regs[r2], condition);
571             regs[r0] = regs[tmp32 ? r3 : r4];
572             break;
573 #endif
574         CASE_32_64(mov)
575             tci_args_rr(insn, &r0, &r1);
576             regs[r0] = regs[r1];
577             break;
578         case INDEX_op_tci_movi:
579             tci_args_ri(insn, &r0, &t1);
580             regs[r0] = t1;
581             break;
582         case INDEX_op_tci_movl:
583             tci_args_rl(insn, tb_ptr, &r0, &ptr);
584             regs[r0] = *(tcg_target_ulong *)ptr;
585             break;
586 
587             /* Load/store operations (32 bit). */
588 
589         CASE_32_64(ld8u)
590             tci_args_rrs(insn, &r0, &r1, &ofs);
591             ptr = (void *)(regs[r1] + ofs);
592             regs[r0] = *(uint8_t *)ptr;
593             break;
594         CASE_32_64(ld8s)
595             tci_args_rrs(insn, &r0, &r1, &ofs);
596             ptr = (void *)(regs[r1] + ofs);
597             regs[r0] = *(int8_t *)ptr;
598             break;
599         CASE_32_64(ld16u)
600             tci_args_rrs(insn, &r0, &r1, &ofs);
601             ptr = (void *)(regs[r1] + ofs);
602             regs[r0] = *(uint16_t *)ptr;
603             break;
604         CASE_32_64(ld16s)
605             tci_args_rrs(insn, &r0, &r1, &ofs);
606             ptr = (void *)(regs[r1] + ofs);
607             regs[r0] = *(int16_t *)ptr;
608             break;
609         case INDEX_op_ld_i32:
610         CASE_64(ld32u)
611             tci_args_rrs(insn, &r0, &r1, &ofs);
612             ptr = (void *)(regs[r1] + ofs);
613             regs[r0] = *(uint32_t *)ptr;
614             break;
615         CASE_32_64(st8)
616             tci_args_rrs(insn, &r0, &r1, &ofs);
617             ptr = (void *)(regs[r1] + ofs);
618             *(uint8_t *)ptr = regs[r0];
619             break;
620         CASE_32_64(st16)
621             tci_args_rrs(insn, &r0, &r1, &ofs);
622             ptr = (void *)(regs[r1] + ofs);
623             *(uint16_t *)ptr = regs[r0];
624             break;
625         case INDEX_op_st_i32:
626         CASE_64(st32)
627             tci_args_rrs(insn, &r0, &r1, &ofs);
628             ptr = (void *)(regs[r1] + ofs);
629             *(uint32_t *)ptr = regs[r0];
630             break;
631 
632             /* Arithmetic operations (mixed 32/64 bit). */
633 
634         CASE_32_64(add)
635             tci_args_rrr(insn, &r0, &r1, &r2);
636             regs[r0] = regs[r1] + regs[r2];
637             break;
638         CASE_32_64(sub)
639             tci_args_rrr(insn, &r0, &r1, &r2);
640             regs[r0] = regs[r1] - regs[r2];
641             break;
642         CASE_32_64(mul)
643             tci_args_rrr(insn, &r0, &r1, &r2);
644             regs[r0] = regs[r1] * regs[r2];
645             break;
646         CASE_32_64(and)
647             tci_args_rrr(insn, &r0, &r1, &r2);
648             regs[r0] = regs[r1] & regs[r2];
649             break;
650         CASE_32_64(or)
651             tci_args_rrr(insn, &r0, &r1, &r2);
652             regs[r0] = regs[r1] | regs[r2];
653             break;
654         CASE_32_64(xor)
655             tci_args_rrr(insn, &r0, &r1, &r2);
656             regs[r0] = regs[r1] ^ regs[r2];
657             break;
658 #if TCG_TARGET_HAS_andc_i32 || TCG_TARGET_HAS_andc_i64
659         CASE_32_64(andc)
660             tci_args_rrr(insn, &r0, &r1, &r2);
661             regs[r0] = regs[r1] & ~regs[r2];
662             break;
663 #endif
664 #if TCG_TARGET_HAS_orc_i32 || TCG_TARGET_HAS_orc_i64
665         CASE_32_64(orc)
666             tci_args_rrr(insn, &r0, &r1, &r2);
667             regs[r0] = regs[r1] | ~regs[r2];
668             break;
669 #endif
670 #if TCG_TARGET_HAS_eqv_i32 || TCG_TARGET_HAS_eqv_i64
671         CASE_32_64(eqv)
672             tci_args_rrr(insn, &r0, &r1, &r2);
673             regs[r0] = ~(regs[r1] ^ regs[r2]);
674             break;
675 #endif
676 #if TCG_TARGET_HAS_nand_i32 || TCG_TARGET_HAS_nand_i64
677         CASE_32_64(nand)
678             tci_args_rrr(insn, &r0, &r1, &r2);
679             regs[r0] = ~(regs[r1] & regs[r2]);
680             break;
681 #endif
682 #if TCG_TARGET_HAS_nor_i32 || TCG_TARGET_HAS_nor_i64
683         CASE_32_64(nor)
684             tci_args_rrr(insn, &r0, &r1, &r2);
685             regs[r0] = ~(regs[r1] | regs[r2]);
686             break;
687 #endif
688 
689             /* Arithmetic operations (32 bit). */
690 
691         case INDEX_op_div_i32:
692             tci_args_rrr(insn, &r0, &r1, &r2);
693             regs[r0] = (int32_t)regs[r1] / (int32_t)regs[r2];
694             break;
695         case INDEX_op_divu_i32:
696             tci_args_rrr(insn, &r0, &r1, &r2);
697             regs[r0] = (uint32_t)regs[r1] / (uint32_t)regs[r2];
698             break;
699         case INDEX_op_rem_i32:
700             tci_args_rrr(insn, &r0, &r1, &r2);
701             regs[r0] = (int32_t)regs[r1] % (int32_t)regs[r2];
702             break;
703         case INDEX_op_remu_i32:
704             tci_args_rrr(insn, &r0, &r1, &r2);
705             regs[r0] = (uint32_t)regs[r1] % (uint32_t)regs[r2];
706             break;
707 #if TCG_TARGET_HAS_clz_i32
708         case INDEX_op_clz_i32:
709             tci_args_rrr(insn, &r0, &r1, &r2);
710             tmp32 = regs[r1];
711             regs[r0] = tmp32 ? clz32(tmp32) : regs[r2];
712             break;
713 #endif
714 #if TCG_TARGET_HAS_ctz_i32
715         case INDEX_op_ctz_i32:
716             tci_args_rrr(insn, &r0, &r1, &r2);
717             tmp32 = regs[r1];
718             regs[r0] = tmp32 ? ctz32(tmp32) : regs[r2];
719             break;
720 #endif
721 #if TCG_TARGET_HAS_ctpop_i32
722         case INDEX_op_ctpop_i32:
723             tci_args_rr(insn, &r0, &r1);
724             regs[r0] = ctpop32(regs[r1]);
725             break;
726 #endif
727 
728             /* Shift/rotate operations (32 bit). */
729 
730         case INDEX_op_shl_i32:
731             tci_args_rrr(insn, &r0, &r1, &r2);
732             regs[r0] = (uint32_t)regs[r1] << (regs[r2] & 31);
733             break;
734         case INDEX_op_shr_i32:
735             tci_args_rrr(insn, &r0, &r1, &r2);
736             regs[r0] = (uint32_t)regs[r1] >> (regs[r2] & 31);
737             break;
738         case INDEX_op_sar_i32:
739             tci_args_rrr(insn, &r0, &r1, &r2);
740             regs[r0] = (int32_t)regs[r1] >> (regs[r2] & 31);
741             break;
742 #if TCG_TARGET_HAS_rot_i32
743         case INDEX_op_rotl_i32:
744             tci_args_rrr(insn, &r0, &r1, &r2);
745             regs[r0] = rol32(regs[r1], regs[r2] & 31);
746             break;
747         case INDEX_op_rotr_i32:
748             tci_args_rrr(insn, &r0, &r1, &r2);
749             regs[r0] = ror32(regs[r1], regs[r2] & 31);
750             break;
751 #endif
752 #if TCG_TARGET_HAS_deposit_i32
753         case INDEX_op_deposit_i32:
754             tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len);
755             regs[r0] = deposit32(regs[r1], pos, len, regs[r2]);
756             break;
757 #endif
758 #if TCG_TARGET_HAS_extract_i32
759         case INDEX_op_extract_i32:
760             tci_args_rrbb(insn, &r0, &r1, &pos, &len);
761             regs[r0] = extract32(regs[r1], pos, len);
762             break;
763 #endif
764 #if TCG_TARGET_HAS_sextract_i32
765         case INDEX_op_sextract_i32:
766             tci_args_rrbb(insn, &r0, &r1, &pos, &len);
767             regs[r0] = sextract32(regs[r1], pos, len);
768             break;
769 #endif
770         case INDEX_op_brcond_i32:
771             tci_args_rl(insn, tb_ptr, &r0, &ptr);
772             if ((uint32_t)regs[r0]) {
773                 tb_ptr = ptr;
774             }
775             break;
776 #if TCG_TARGET_REG_BITS == 32 || TCG_TARGET_HAS_add2_i32
777         case INDEX_op_add2_i32:
778             tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
779             T1 = tci_uint64(regs[r3], regs[r2]);
780             T2 = tci_uint64(regs[r5], regs[r4]);
781             tci_write_reg64(regs, r1, r0, T1 + T2);
782             break;
783 #endif
784 #if TCG_TARGET_REG_BITS == 32 || TCG_TARGET_HAS_sub2_i32
785         case INDEX_op_sub2_i32:
786             tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
787             T1 = tci_uint64(regs[r3], regs[r2]);
788             T2 = tci_uint64(regs[r5], regs[r4]);
789             tci_write_reg64(regs, r1, r0, T1 - T2);
790             break;
791 #endif
792 #if TCG_TARGET_HAS_mulu2_i32
793         case INDEX_op_mulu2_i32:
794             tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
795             tmp64 = (uint64_t)(uint32_t)regs[r2] * (uint32_t)regs[r3];
796             tci_write_reg64(regs, r1, r0, tmp64);
797             break;
798 #endif
799 #if TCG_TARGET_HAS_muls2_i32
800         case INDEX_op_muls2_i32:
801             tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
802             tmp64 = (int64_t)(int32_t)regs[r2] * (int32_t)regs[r3];
803             tci_write_reg64(regs, r1, r0, tmp64);
804             break;
805 #endif
806 #if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64
807         CASE_32_64(ext8s)
808             tci_args_rr(insn, &r0, &r1);
809             regs[r0] = (int8_t)regs[r1];
810             break;
811 #endif
812 #if TCG_TARGET_HAS_ext16s_i32 || TCG_TARGET_HAS_ext16s_i64 || \
813     TCG_TARGET_HAS_bswap16_i32 || TCG_TARGET_HAS_bswap16_i64
814         CASE_32_64(ext16s)
815             tci_args_rr(insn, &r0, &r1);
816             regs[r0] = (int16_t)regs[r1];
817             break;
818 #endif
819 #if TCG_TARGET_HAS_ext8u_i32 || TCG_TARGET_HAS_ext8u_i64
820         CASE_32_64(ext8u)
821             tci_args_rr(insn, &r0, &r1);
822             regs[r0] = (uint8_t)regs[r1];
823             break;
824 #endif
825 #if TCG_TARGET_HAS_ext16u_i32 || TCG_TARGET_HAS_ext16u_i64
826         CASE_32_64(ext16u)
827             tci_args_rr(insn, &r0, &r1);
828             regs[r0] = (uint16_t)regs[r1];
829             break;
830 #endif
831 #if TCG_TARGET_HAS_bswap16_i32 || TCG_TARGET_HAS_bswap16_i64
832         CASE_32_64(bswap16)
833             tci_args_rr(insn, &r0, &r1);
834             regs[r0] = bswap16(regs[r1]);
835             break;
836 #endif
837 #if TCG_TARGET_HAS_bswap32_i32 || TCG_TARGET_HAS_bswap32_i64
838         CASE_32_64(bswap32)
839             tci_args_rr(insn, &r0, &r1);
840             regs[r0] = bswap32(regs[r1]);
841             break;
842 #endif
843 #if TCG_TARGET_HAS_not_i32 || TCG_TARGET_HAS_not_i64
844         CASE_32_64(not)
845             tci_args_rr(insn, &r0, &r1);
846             regs[r0] = ~regs[r1];
847             break;
848 #endif
849 #if TCG_TARGET_HAS_neg_i32 || TCG_TARGET_HAS_neg_i64
850         CASE_32_64(neg)
851             tci_args_rr(insn, &r0, &r1);
852             regs[r0] = -regs[r1];
853             break;
854 #endif
855 #if TCG_TARGET_REG_BITS == 64
856             /* Load/store operations (64 bit). */
857 
858         case INDEX_op_ld32s_i64:
859             tci_args_rrs(insn, &r0, &r1, &ofs);
860             ptr = (void *)(regs[r1] + ofs);
861             regs[r0] = *(int32_t *)ptr;
862             break;
863         case INDEX_op_ld_i64:
864             tci_args_rrs(insn, &r0, &r1, &ofs);
865             ptr = (void *)(regs[r1] + ofs);
866             regs[r0] = *(uint64_t *)ptr;
867             break;
868         case INDEX_op_st_i64:
869             tci_args_rrs(insn, &r0, &r1, &ofs);
870             ptr = (void *)(regs[r1] + ofs);
871             *(uint64_t *)ptr = regs[r0];
872             break;
873 
874             /* Arithmetic operations (64 bit). */
875 
876         case INDEX_op_div_i64:
877             tci_args_rrr(insn, &r0, &r1, &r2);
878             regs[r0] = (int64_t)regs[r1] / (int64_t)regs[r2];
879             break;
880         case INDEX_op_divu_i64:
881             tci_args_rrr(insn, &r0, &r1, &r2);
882             regs[r0] = (uint64_t)regs[r1] / (uint64_t)regs[r2];
883             break;
884         case INDEX_op_rem_i64:
885             tci_args_rrr(insn, &r0, &r1, &r2);
886             regs[r0] = (int64_t)regs[r1] % (int64_t)regs[r2];
887             break;
888         case INDEX_op_remu_i64:
889             tci_args_rrr(insn, &r0, &r1, &r2);
890             regs[r0] = (uint64_t)regs[r1] % (uint64_t)regs[r2];
891             break;
892 #if TCG_TARGET_HAS_clz_i64
893         case INDEX_op_clz_i64:
894             tci_args_rrr(insn, &r0, &r1, &r2);
895             regs[r0] = regs[r1] ? clz64(regs[r1]) : regs[r2];
896             break;
897 #endif
898 #if TCG_TARGET_HAS_ctz_i64
899         case INDEX_op_ctz_i64:
900             tci_args_rrr(insn, &r0, &r1, &r2);
901             regs[r0] = regs[r1] ? ctz64(regs[r1]) : regs[r2];
902             break;
903 #endif
904 #if TCG_TARGET_HAS_ctpop_i64
905         case INDEX_op_ctpop_i64:
906             tci_args_rr(insn, &r0, &r1);
907             regs[r0] = ctpop64(regs[r1]);
908             break;
909 #endif
910 #if TCG_TARGET_HAS_mulu2_i64
911         case INDEX_op_mulu2_i64:
912             tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
913             mulu64(&regs[r0], &regs[r1], regs[r2], regs[r3]);
914             break;
915 #endif
916 #if TCG_TARGET_HAS_muls2_i64
917         case INDEX_op_muls2_i64:
918             tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
919             muls64(&regs[r0], &regs[r1], regs[r2], regs[r3]);
920             break;
921 #endif
922 #if TCG_TARGET_HAS_add2_i64
923         case INDEX_op_add2_i64:
924             tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
925             T1 = regs[r2] + regs[r4];
926             T2 = regs[r3] + regs[r5] + (T1 < regs[r2]);
927             regs[r0] = T1;
928             regs[r1] = T2;
929             break;
930 #endif
931 #if TCG_TARGET_HAS_add2_i64
932         case INDEX_op_sub2_i64:
933             tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
934             T1 = regs[r2] - regs[r4];
935             T2 = regs[r3] - regs[r5] - (regs[r2] < regs[r4]);
936             regs[r0] = T1;
937             regs[r1] = T2;
938             break;
939 #endif
940 
941             /* Shift/rotate operations (64 bit). */
942 
943         case INDEX_op_shl_i64:
944             tci_args_rrr(insn, &r0, &r1, &r2);
945             regs[r0] = regs[r1] << (regs[r2] & 63);
946             break;
947         case INDEX_op_shr_i64:
948             tci_args_rrr(insn, &r0, &r1, &r2);
949             regs[r0] = regs[r1] >> (regs[r2] & 63);
950             break;
951         case INDEX_op_sar_i64:
952             tci_args_rrr(insn, &r0, &r1, &r2);
953             regs[r0] = (int64_t)regs[r1] >> (regs[r2] & 63);
954             break;
955 #if TCG_TARGET_HAS_rot_i64
956         case INDEX_op_rotl_i64:
957             tci_args_rrr(insn, &r0, &r1, &r2);
958             regs[r0] = rol64(regs[r1], regs[r2] & 63);
959             break;
960         case INDEX_op_rotr_i64:
961             tci_args_rrr(insn, &r0, &r1, &r2);
962             regs[r0] = ror64(regs[r1], regs[r2] & 63);
963             break;
964 #endif
965 #if TCG_TARGET_HAS_deposit_i64
966         case INDEX_op_deposit_i64:
967             tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len);
968             regs[r0] = deposit64(regs[r1], pos, len, regs[r2]);
969             break;
970 #endif
971 #if TCG_TARGET_HAS_extract_i64
972         case INDEX_op_extract_i64:
973             tci_args_rrbb(insn, &r0, &r1, &pos, &len);
974             regs[r0] = extract64(regs[r1], pos, len);
975             break;
976 #endif
977 #if TCG_TARGET_HAS_sextract_i64
978         case INDEX_op_sextract_i64:
979             tci_args_rrbb(insn, &r0, &r1, &pos, &len);
980             regs[r0] = sextract64(regs[r1], pos, len);
981             break;
982 #endif
983         case INDEX_op_brcond_i64:
984             tci_args_rl(insn, tb_ptr, &r0, &ptr);
985             if (regs[r0]) {
986                 tb_ptr = ptr;
987             }
988             break;
989         case INDEX_op_ext32s_i64:
990         case INDEX_op_ext_i32_i64:
991             tci_args_rr(insn, &r0, &r1);
992             regs[r0] = (int32_t)regs[r1];
993             break;
994         case INDEX_op_ext32u_i64:
995         case INDEX_op_extu_i32_i64:
996             tci_args_rr(insn, &r0, &r1);
997             regs[r0] = (uint32_t)regs[r1];
998             break;
999 #if TCG_TARGET_HAS_bswap64_i64
1000         case INDEX_op_bswap64_i64:
1001             tci_args_rr(insn, &r0, &r1);
1002             regs[r0] = bswap64(regs[r1]);
1003             break;
1004 #endif
1005 #endif /* TCG_TARGET_REG_BITS == 64 */
1006 
1007             /* QEMU specific operations. */
1008 
1009         case INDEX_op_exit_tb:
1010             tci_args_l(insn, tb_ptr, &ptr);
1011             return (uintptr_t)ptr;
1012 
1013         case INDEX_op_goto_tb:
1014             tci_args_l(insn, tb_ptr, &ptr);
1015             tb_ptr = *(void **)ptr;
1016             break;
1017 
1018         case INDEX_op_goto_ptr:
1019             tci_args_r(insn, &r0);
1020             ptr = (void *)regs[r0];
1021             if (!ptr) {
1022                 return 0;
1023             }
1024             tb_ptr = ptr;
1025             break;
1026 
1027         case INDEX_op_qemu_ld_i32:
1028             if (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS) {
1029                 tci_args_rrm(insn, &r0, &r1, &oi);
1030                 taddr = regs[r1];
1031             } else {
1032                 tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
1033                 taddr = tci_uint64(regs[r2], regs[r1]);
1034             }
1035             tmp32 = tci_qemu_ld(env, taddr, oi, tb_ptr);
1036             regs[r0] = tmp32;
1037             break;
1038 
1039         case INDEX_op_qemu_ld_i64:
1040             if (TCG_TARGET_REG_BITS == 64) {
1041                 tci_args_rrm(insn, &r0, &r1, &oi);
1042                 taddr = regs[r1];
1043             } else if (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS) {
1044                 tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
1045                 taddr = regs[r2];
1046             } else {
1047                 tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4);
1048                 taddr = tci_uint64(regs[r3], regs[r2]);
1049                 oi = regs[r4];
1050             }
1051             tmp64 = tci_qemu_ld(env, taddr, oi, tb_ptr);
1052             if (TCG_TARGET_REG_BITS == 32) {
1053                 tci_write_reg64(regs, r1, r0, tmp64);
1054             } else {
1055                 regs[r0] = tmp64;
1056             }
1057             break;
1058 
1059         case INDEX_op_qemu_st_i32:
1060             if (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS) {
1061                 tci_args_rrm(insn, &r0, &r1, &oi);
1062                 taddr = regs[r1];
1063             } else {
1064                 tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
1065                 taddr = tci_uint64(regs[r2], regs[r1]);
1066             }
1067             tmp32 = regs[r0];
1068             tci_qemu_st(env, taddr, tmp32, oi, tb_ptr);
1069             break;
1070 
1071         case INDEX_op_qemu_st_i64:
1072             if (TCG_TARGET_REG_BITS == 64) {
1073                 tci_args_rrm(insn, &r0, &r1, &oi);
1074                 taddr = regs[r1];
1075                 tmp64 = regs[r0];
1076             } else {
1077                 if (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS) {
1078                     tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
1079                     taddr = regs[r2];
1080                 } else {
1081                     tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4);
1082                     taddr = tci_uint64(regs[r3], regs[r2]);
1083                     oi = regs[r4];
1084                 }
1085                 tmp64 = tci_uint64(regs[r1], regs[r0]);
1086             }
1087             tci_qemu_st(env, taddr, tmp64, oi, tb_ptr);
1088             break;
1089 
1090         case INDEX_op_mb:
1091             /* Ensure ordering for all kinds */
1092             smp_mb();
1093             break;
1094         default:
1095             g_assert_not_reached();
1096         }
1097     }
1098 }
1099 
1100 /*
1101  * Disassembler that matches the interpreter
1102  */
1103 
1104 static const char *str_r(TCGReg r)
1105 {
1106     static const char regs[TCG_TARGET_NB_REGS][4] = {
1107         "r0", "r1", "r2",  "r3",  "r4",  "r5",  "r6",  "r7",
1108         "r8", "r9", "r10", "r11", "r12", "r13", "env", "sp"
1109     };
1110 
1111     QEMU_BUILD_BUG_ON(TCG_AREG0 != TCG_REG_R14);
1112     QEMU_BUILD_BUG_ON(TCG_REG_CALL_STACK != TCG_REG_R15);
1113 
1114     assert((unsigned)r < TCG_TARGET_NB_REGS);
1115     return regs[r];
1116 }
1117 
1118 static const char *str_c(TCGCond c)
1119 {
1120     static const char cond[16][8] = {
1121         [TCG_COND_NEVER] = "never",
1122         [TCG_COND_ALWAYS] = "always",
1123         [TCG_COND_EQ] = "eq",
1124         [TCG_COND_NE] = "ne",
1125         [TCG_COND_LT] = "lt",
1126         [TCG_COND_GE] = "ge",
1127         [TCG_COND_LE] = "le",
1128         [TCG_COND_GT] = "gt",
1129         [TCG_COND_LTU] = "ltu",
1130         [TCG_COND_GEU] = "geu",
1131         [TCG_COND_LEU] = "leu",
1132         [TCG_COND_GTU] = "gtu",
1133     };
1134 
1135     assert((unsigned)c < ARRAY_SIZE(cond));
1136     assert(cond[c][0] != 0);
1137     return cond[c];
1138 }
1139 
1140 /* Disassemble TCI bytecode. */
1141 int print_insn_tci(bfd_vma addr, disassemble_info *info)
1142 {
1143     const uint32_t *tb_ptr = (const void *)(uintptr_t)addr;
1144     const TCGOpDef *def;
1145     const char *op_name;
1146     uint32_t insn;
1147     TCGOpcode op;
1148     TCGReg r0, r1, r2, r3, r4, r5;
1149     tcg_target_ulong i1;
1150     int32_t s2;
1151     TCGCond c;
1152     MemOpIdx oi;
1153     uint8_t pos, len;
1154     void *ptr;
1155 
1156     /* TCI is always the host, so we don't need to load indirect. */
1157     insn = *tb_ptr++;
1158 
1159     info->fprintf_func(info->stream, "%08x  ", insn);
1160 
1161     op = extract32(insn, 0, 8);
1162     def = &tcg_op_defs[op];
1163     op_name = def->name;
1164 
1165     switch (op) {
1166     case INDEX_op_br:
1167     case INDEX_op_exit_tb:
1168     case INDEX_op_goto_tb:
1169         tci_args_l(insn, tb_ptr, &ptr);
1170         info->fprintf_func(info->stream, "%-12s  %p", op_name, ptr);
1171         break;
1172 
1173     case INDEX_op_goto_ptr:
1174         tci_args_r(insn, &r0);
1175         info->fprintf_func(info->stream, "%-12s  %s", op_name, str_r(r0));
1176         break;
1177 
1178     case INDEX_op_call:
1179         tci_args_nl(insn, tb_ptr, &len, &ptr);
1180         info->fprintf_func(info->stream, "%-12s  %d, %p", op_name, len, ptr);
1181         break;
1182 
1183     case INDEX_op_brcond_i32:
1184     case INDEX_op_brcond_i64:
1185         tci_args_rl(insn, tb_ptr, &r0, &ptr);
1186         info->fprintf_func(info->stream, "%-12s  %s, 0, ne, %p",
1187                            op_name, str_r(r0), ptr);
1188         break;
1189 
1190     case INDEX_op_setcond_i32:
1191     case INDEX_op_setcond_i64:
1192         tci_args_rrrc(insn, &r0, &r1, &r2, &c);
1193         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s",
1194                            op_name, str_r(r0), str_r(r1), str_r(r2), str_c(c));
1195         break;
1196 
1197     case INDEX_op_tci_movi:
1198         tci_args_ri(insn, &r0, &i1);
1199         info->fprintf_func(info->stream, "%-12s  %s, 0x%" TCG_PRIlx,
1200                            op_name, str_r(r0), i1);
1201         break;
1202 
1203     case INDEX_op_tci_movl:
1204         tci_args_rl(insn, tb_ptr, &r0, &ptr);
1205         info->fprintf_func(info->stream, "%-12s  %s, %p",
1206                            op_name, str_r(r0), ptr);
1207         break;
1208 
1209     case INDEX_op_ld8u_i32:
1210     case INDEX_op_ld8u_i64:
1211     case INDEX_op_ld8s_i32:
1212     case INDEX_op_ld8s_i64:
1213     case INDEX_op_ld16u_i32:
1214     case INDEX_op_ld16u_i64:
1215     case INDEX_op_ld16s_i32:
1216     case INDEX_op_ld16s_i64:
1217     case INDEX_op_ld32u_i64:
1218     case INDEX_op_ld32s_i64:
1219     case INDEX_op_ld_i32:
1220     case INDEX_op_ld_i64:
1221     case INDEX_op_st8_i32:
1222     case INDEX_op_st8_i64:
1223     case INDEX_op_st16_i32:
1224     case INDEX_op_st16_i64:
1225     case INDEX_op_st32_i64:
1226     case INDEX_op_st_i32:
1227     case INDEX_op_st_i64:
1228         tci_args_rrs(insn, &r0, &r1, &s2);
1229         info->fprintf_func(info->stream, "%-12s  %s, %s, %d",
1230                            op_name, str_r(r0), str_r(r1), s2);
1231         break;
1232 
1233     case INDEX_op_mov_i32:
1234     case INDEX_op_mov_i64:
1235     case INDEX_op_ext8s_i32:
1236     case INDEX_op_ext8s_i64:
1237     case INDEX_op_ext8u_i32:
1238     case INDEX_op_ext8u_i64:
1239     case INDEX_op_ext16s_i32:
1240     case INDEX_op_ext16s_i64:
1241     case INDEX_op_ext16u_i32:
1242     case INDEX_op_ext32s_i64:
1243     case INDEX_op_ext32u_i64:
1244     case INDEX_op_ext_i32_i64:
1245     case INDEX_op_extu_i32_i64:
1246     case INDEX_op_bswap16_i32:
1247     case INDEX_op_bswap16_i64:
1248     case INDEX_op_bswap32_i32:
1249     case INDEX_op_bswap32_i64:
1250     case INDEX_op_bswap64_i64:
1251     case INDEX_op_not_i32:
1252     case INDEX_op_not_i64:
1253     case INDEX_op_neg_i32:
1254     case INDEX_op_neg_i64:
1255     case INDEX_op_ctpop_i32:
1256     case INDEX_op_ctpop_i64:
1257         tci_args_rr(insn, &r0, &r1);
1258         info->fprintf_func(info->stream, "%-12s  %s, %s",
1259                            op_name, str_r(r0), str_r(r1));
1260         break;
1261 
1262     case INDEX_op_add_i32:
1263     case INDEX_op_add_i64:
1264     case INDEX_op_sub_i32:
1265     case INDEX_op_sub_i64:
1266     case INDEX_op_mul_i32:
1267     case INDEX_op_mul_i64:
1268     case INDEX_op_and_i32:
1269     case INDEX_op_and_i64:
1270     case INDEX_op_or_i32:
1271     case INDEX_op_or_i64:
1272     case INDEX_op_xor_i32:
1273     case INDEX_op_xor_i64:
1274     case INDEX_op_andc_i32:
1275     case INDEX_op_andc_i64:
1276     case INDEX_op_orc_i32:
1277     case INDEX_op_orc_i64:
1278     case INDEX_op_eqv_i32:
1279     case INDEX_op_eqv_i64:
1280     case INDEX_op_nand_i32:
1281     case INDEX_op_nand_i64:
1282     case INDEX_op_nor_i32:
1283     case INDEX_op_nor_i64:
1284     case INDEX_op_div_i32:
1285     case INDEX_op_div_i64:
1286     case INDEX_op_rem_i32:
1287     case INDEX_op_rem_i64:
1288     case INDEX_op_divu_i32:
1289     case INDEX_op_divu_i64:
1290     case INDEX_op_remu_i32:
1291     case INDEX_op_remu_i64:
1292     case INDEX_op_shl_i32:
1293     case INDEX_op_shl_i64:
1294     case INDEX_op_shr_i32:
1295     case INDEX_op_shr_i64:
1296     case INDEX_op_sar_i32:
1297     case INDEX_op_sar_i64:
1298     case INDEX_op_rotl_i32:
1299     case INDEX_op_rotl_i64:
1300     case INDEX_op_rotr_i32:
1301     case INDEX_op_rotr_i64:
1302     case INDEX_op_clz_i32:
1303     case INDEX_op_clz_i64:
1304     case INDEX_op_ctz_i32:
1305     case INDEX_op_ctz_i64:
1306         tci_args_rrr(insn, &r0, &r1, &r2);
1307         info->fprintf_func(info->stream, "%-12s  %s, %s, %s",
1308                            op_name, str_r(r0), str_r(r1), str_r(r2));
1309         break;
1310 
1311     case INDEX_op_deposit_i32:
1312     case INDEX_op_deposit_i64:
1313         tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len);
1314         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %d, %d",
1315                            op_name, str_r(r0), str_r(r1), str_r(r2), pos, len);
1316         break;
1317 
1318     case INDEX_op_extract_i32:
1319     case INDEX_op_extract_i64:
1320     case INDEX_op_sextract_i32:
1321     case INDEX_op_sextract_i64:
1322         tci_args_rrbb(insn, &r0, &r1, &pos, &len);
1323         info->fprintf_func(info->stream, "%-12s  %s,%s,%d,%d",
1324                            op_name, str_r(r0), str_r(r1), pos, len);
1325         break;
1326 
1327     case INDEX_op_movcond_i32:
1328     case INDEX_op_movcond_i64:
1329     case INDEX_op_setcond2_i32:
1330         tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &c);
1331         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s, %s, %s",
1332                            op_name, str_r(r0), str_r(r1), str_r(r2),
1333                            str_r(r3), str_r(r4), str_c(c));
1334         break;
1335 
1336     case INDEX_op_mulu2_i32:
1337     case INDEX_op_mulu2_i64:
1338     case INDEX_op_muls2_i32:
1339     case INDEX_op_muls2_i64:
1340         tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
1341         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s",
1342                            op_name, str_r(r0), str_r(r1),
1343                            str_r(r2), str_r(r3));
1344         break;
1345 
1346     case INDEX_op_add2_i32:
1347     case INDEX_op_add2_i64:
1348     case INDEX_op_sub2_i32:
1349     case INDEX_op_sub2_i64:
1350         tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
1351         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s, %s, %s",
1352                            op_name, str_r(r0), str_r(r1), str_r(r2),
1353                            str_r(r3), str_r(r4), str_r(r5));
1354         break;
1355 
1356     case INDEX_op_qemu_ld_i64:
1357     case INDEX_op_qemu_st_i64:
1358         len = DIV_ROUND_UP(64, TCG_TARGET_REG_BITS);
1359         goto do_qemu_ldst;
1360     case INDEX_op_qemu_ld_i32:
1361     case INDEX_op_qemu_st_i32:
1362         len = 1;
1363     do_qemu_ldst:
1364         len += DIV_ROUND_UP(TARGET_LONG_BITS, TCG_TARGET_REG_BITS);
1365         switch (len) {
1366         case 2:
1367             tci_args_rrm(insn, &r0, &r1, &oi);
1368             info->fprintf_func(info->stream, "%-12s  %s, %s, %x",
1369                                op_name, str_r(r0), str_r(r1), oi);
1370             break;
1371         case 3:
1372             tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
1373             info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %x",
1374                                op_name, str_r(r0), str_r(r1), str_r(r2), oi);
1375             break;
1376         case 4:
1377             tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4);
1378             info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s, %s",
1379                                op_name, str_r(r0), str_r(r1),
1380                                str_r(r2), str_r(r3), str_r(r4));
1381             break;
1382         default:
1383             g_assert_not_reached();
1384         }
1385         break;
1386 
1387     case 0:
1388         /* tcg_out_nop_fill uses zeros */
1389         if (insn == 0) {
1390             info->fprintf_func(info->stream, "align");
1391             break;
1392         }
1393         /* fall through */
1394 
1395     default:
1396         info->fprintf_func(info->stream, "illegal opcode %d", op);
1397         break;
1398     }
1399 
1400     return sizeof(insn);
1401 }
1402