xref: /openbmc/qemu/tcg/tci.c (revision 06831001)
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 "tcg/tcg.h"
22 #include "tcg/tcg-ldst.h"
23 #include <ffi.h>
24 
25 
26 /*
27  * Enable TCI assertions only when debugging TCG (and without NDEBUG defined).
28  * Without assertions, the interpreter runs much faster.
29  */
30 #if defined(CONFIG_DEBUG_TCG)
31 # define tci_assert(cond) assert(cond)
32 #else
33 # define tci_assert(cond) ((void)(cond))
34 #endif
35 
36 __thread uintptr_t tci_tb_ptr;
37 
38 static void tci_write_reg64(tcg_target_ulong *regs, uint32_t high_index,
39                             uint32_t low_index, uint64_t value)
40 {
41     regs[low_index] = (uint32_t)value;
42     regs[high_index] = value >> 32;
43 }
44 
45 /* Create a 64 bit value from two 32 bit values. */
46 static uint64_t tci_uint64(uint32_t high, uint32_t low)
47 {
48     return ((uint64_t)high << 32) + low;
49 }
50 
51 /*
52  * Load sets of arguments all at once.  The naming convention is:
53  *   tci_args_<arguments>
54  * where arguments is a sequence of
55  *
56  *   b = immediate (bit position)
57  *   c = condition (TCGCond)
58  *   i = immediate (uint32_t)
59  *   I = immediate (tcg_target_ulong)
60  *   l = label or pointer
61  *   m = immediate (MemOpIdx)
62  *   n = immediate (call return length)
63  *   r = register
64  *   s = signed ldst offset
65  */
66 
67 static void tci_args_l(uint32_t insn, const void *tb_ptr, void **l0)
68 {
69     int diff = sextract32(insn, 12, 20);
70     *l0 = diff ? (void *)tb_ptr + diff : NULL;
71 }
72 
73 static void tci_args_r(uint32_t insn, TCGReg *r0)
74 {
75     *r0 = extract32(insn, 8, 4);
76 }
77 
78 static void tci_args_nl(uint32_t insn, const void *tb_ptr,
79                         uint8_t *n0, void **l1)
80 {
81     *n0 = extract32(insn, 8, 4);
82     *l1 = sextract32(insn, 12, 20) + (void *)tb_ptr;
83 }
84 
85 static void tci_args_rl(uint32_t insn, const void *tb_ptr,
86                         TCGReg *r0, void **l1)
87 {
88     *r0 = extract32(insn, 8, 4);
89     *l1 = sextract32(insn, 12, 20) + (void *)tb_ptr;
90 }
91 
92 static void tci_args_rr(uint32_t insn, TCGReg *r0, TCGReg *r1)
93 {
94     *r0 = extract32(insn, 8, 4);
95     *r1 = extract32(insn, 12, 4);
96 }
97 
98 static void tci_args_ri(uint32_t insn, TCGReg *r0, tcg_target_ulong *i1)
99 {
100     *r0 = extract32(insn, 8, 4);
101     *i1 = sextract32(insn, 12, 20);
102 }
103 
104 static void tci_args_rrm(uint32_t insn, TCGReg *r0,
105                          TCGReg *r1, MemOpIdx *m2)
106 {
107     *r0 = extract32(insn, 8, 4);
108     *r1 = extract32(insn, 12, 4);
109     *m2 = extract32(insn, 20, 12);
110 }
111 
112 static void tci_args_rrr(uint32_t insn, TCGReg *r0, TCGReg *r1, TCGReg *r2)
113 {
114     *r0 = extract32(insn, 8, 4);
115     *r1 = extract32(insn, 12, 4);
116     *r2 = extract32(insn, 16, 4);
117 }
118 
119 static void tci_args_rrs(uint32_t insn, TCGReg *r0, TCGReg *r1, int32_t *i2)
120 {
121     *r0 = extract32(insn, 8, 4);
122     *r1 = extract32(insn, 12, 4);
123     *i2 = sextract32(insn, 16, 16);
124 }
125 
126 static void tci_args_rrbb(uint32_t insn, TCGReg *r0, TCGReg *r1,
127                           uint8_t *i2, uint8_t *i3)
128 {
129     *r0 = extract32(insn, 8, 4);
130     *r1 = extract32(insn, 12, 4);
131     *i2 = extract32(insn, 16, 6);
132     *i3 = extract32(insn, 22, 6);
133 }
134 
135 static void tci_args_rrrc(uint32_t insn,
136                           TCGReg *r0, TCGReg *r1, TCGReg *r2, TCGCond *c3)
137 {
138     *r0 = extract32(insn, 8, 4);
139     *r1 = extract32(insn, 12, 4);
140     *r2 = extract32(insn, 16, 4);
141     *c3 = extract32(insn, 20, 4);
142 }
143 
144 static void tci_args_rrrm(uint32_t insn,
145                           TCGReg *r0, TCGReg *r1, TCGReg *r2, MemOpIdx *m3)
146 {
147     *r0 = extract32(insn, 8, 4);
148     *r1 = extract32(insn, 12, 4);
149     *r2 = extract32(insn, 16, 4);
150     *m3 = extract32(insn, 20, 12);
151 }
152 
153 static void tci_args_rrrbb(uint32_t insn, TCGReg *r0, TCGReg *r1,
154                            TCGReg *r2, uint8_t *i3, uint8_t *i4)
155 {
156     *r0 = extract32(insn, 8, 4);
157     *r1 = extract32(insn, 12, 4);
158     *r2 = extract32(insn, 16, 4);
159     *i3 = extract32(insn, 20, 6);
160     *i4 = extract32(insn, 26, 6);
161 }
162 
163 static void tci_args_rrrrr(uint32_t insn, TCGReg *r0, TCGReg *r1,
164                            TCGReg *r2, TCGReg *r3, TCGReg *r4)
165 {
166     *r0 = extract32(insn, 8, 4);
167     *r1 = extract32(insn, 12, 4);
168     *r2 = extract32(insn, 16, 4);
169     *r3 = extract32(insn, 20, 4);
170     *r4 = extract32(insn, 24, 4);
171 }
172 
173 static void tci_args_rrrr(uint32_t insn,
174                           TCGReg *r0, TCGReg *r1, TCGReg *r2, TCGReg *r3)
175 {
176     *r0 = extract32(insn, 8, 4);
177     *r1 = extract32(insn, 12, 4);
178     *r2 = extract32(insn, 16, 4);
179     *r3 = extract32(insn, 20, 4);
180 }
181 
182 static void tci_args_rrrrrc(uint32_t insn, TCGReg *r0, TCGReg *r1,
183                             TCGReg *r2, TCGReg *r3, TCGReg *r4, TCGCond *c5)
184 {
185     *r0 = extract32(insn, 8, 4);
186     *r1 = extract32(insn, 12, 4);
187     *r2 = extract32(insn, 16, 4);
188     *r3 = extract32(insn, 20, 4);
189     *r4 = extract32(insn, 24, 4);
190     *c5 = extract32(insn, 28, 4);
191 }
192 
193 static void tci_args_rrrrrr(uint32_t insn, TCGReg *r0, TCGReg *r1,
194                             TCGReg *r2, TCGReg *r3, TCGReg *r4, TCGReg *r5)
195 {
196     *r0 = extract32(insn, 8, 4);
197     *r1 = extract32(insn, 12, 4);
198     *r2 = extract32(insn, 16, 4);
199     *r3 = extract32(insn, 20, 4);
200     *r4 = extract32(insn, 24, 4);
201     *r5 = extract32(insn, 28, 4);
202 }
203 
204 static bool tci_compare32(uint32_t u0, uint32_t u1, TCGCond condition)
205 {
206     bool result = false;
207     int32_t i0 = u0;
208     int32_t i1 = u1;
209     switch (condition) {
210     case TCG_COND_EQ:
211         result = (u0 == u1);
212         break;
213     case TCG_COND_NE:
214         result = (u0 != u1);
215         break;
216     case TCG_COND_LT:
217         result = (i0 < i1);
218         break;
219     case TCG_COND_GE:
220         result = (i0 >= i1);
221         break;
222     case TCG_COND_LE:
223         result = (i0 <= i1);
224         break;
225     case TCG_COND_GT:
226         result = (i0 > i1);
227         break;
228     case TCG_COND_LTU:
229         result = (u0 < u1);
230         break;
231     case TCG_COND_GEU:
232         result = (u0 >= u1);
233         break;
234     case TCG_COND_LEU:
235         result = (u0 <= u1);
236         break;
237     case TCG_COND_GTU:
238         result = (u0 > u1);
239         break;
240     default:
241         g_assert_not_reached();
242     }
243     return result;
244 }
245 
246 static bool tci_compare64(uint64_t u0, uint64_t u1, TCGCond condition)
247 {
248     bool result = false;
249     int64_t i0 = u0;
250     int64_t i1 = u1;
251     switch (condition) {
252     case TCG_COND_EQ:
253         result = (u0 == u1);
254         break;
255     case TCG_COND_NE:
256         result = (u0 != u1);
257         break;
258     case TCG_COND_LT:
259         result = (i0 < i1);
260         break;
261     case TCG_COND_GE:
262         result = (i0 >= i1);
263         break;
264     case TCG_COND_LE:
265         result = (i0 <= i1);
266         break;
267     case TCG_COND_GT:
268         result = (i0 > i1);
269         break;
270     case TCG_COND_LTU:
271         result = (u0 < u1);
272         break;
273     case TCG_COND_GEU:
274         result = (u0 >= u1);
275         break;
276     case TCG_COND_LEU:
277         result = (u0 <= u1);
278         break;
279     case TCG_COND_GTU:
280         result = (u0 > u1);
281         break;
282     default:
283         g_assert_not_reached();
284     }
285     return result;
286 }
287 
288 static uint64_t tci_qemu_ld(CPUArchState *env, uint64_t taddr,
289                             MemOpIdx oi, const void *tb_ptr)
290 {
291     MemOp mop = get_memop(oi);
292     uintptr_t ra = (uintptr_t)tb_ptr;
293 
294     switch (mop & MO_SSIZE) {
295     case MO_UB:
296         return helper_ldub_mmu(env, taddr, oi, ra);
297     case MO_SB:
298         return helper_ldsb_mmu(env, taddr, oi, ra);
299     case MO_UW:
300         return helper_lduw_mmu(env, taddr, oi, ra);
301     case MO_SW:
302         return helper_ldsw_mmu(env, taddr, oi, ra);
303     case MO_UL:
304         return helper_ldul_mmu(env, taddr, oi, ra);
305     case MO_SL:
306         return helper_ldsl_mmu(env, taddr, oi, ra);
307     case MO_UQ:
308         return helper_ldq_mmu(env, taddr, oi, ra);
309     default:
310         g_assert_not_reached();
311     }
312 }
313 
314 static void tci_qemu_st(CPUArchState *env, uint64_t taddr, uint64_t val,
315                         MemOpIdx oi, const void *tb_ptr)
316 {
317     MemOp mop = get_memop(oi);
318     uintptr_t ra = (uintptr_t)tb_ptr;
319 
320     switch (mop & MO_SIZE) {
321     case MO_UB:
322         helper_stb_mmu(env, taddr, val, oi, ra);
323         break;
324     case MO_UW:
325         helper_stw_mmu(env, taddr, val, oi, ra);
326         break;
327     case MO_UL:
328         helper_stl_mmu(env, taddr, val, oi, ra);
329         break;
330     case MO_UQ:
331         helper_stq_mmu(env, taddr, val, oi, ra);
332         break;
333     default:
334         g_assert_not_reached();
335     }
336 }
337 
338 #if TCG_TARGET_REG_BITS == 64
339 # define CASE_32_64(x) \
340         case glue(glue(INDEX_op_, x), _i64): \
341         case glue(glue(INDEX_op_, x), _i32):
342 # define CASE_64(x) \
343         case glue(glue(INDEX_op_, x), _i64):
344 #else
345 # define CASE_32_64(x) \
346         case glue(glue(INDEX_op_, x), _i32):
347 # define CASE_64(x)
348 #endif
349 
350 /* Interpret pseudo code in tb. */
351 /*
352  * Disable CFI checks.
353  * One possible operation in the pseudo code is a call to binary code.
354  * Therefore, disable CFI checks in the interpreter function
355  */
356 uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
357                                             const void *v_tb_ptr)
358 {
359     const uint32_t *tb_ptr = v_tb_ptr;
360     tcg_target_ulong regs[TCG_TARGET_NB_REGS];
361     uint64_t stack[(TCG_STATIC_CALL_ARGS_SIZE + TCG_STATIC_FRAME_SIZE)
362                    / sizeof(uint64_t)];
363 
364     regs[TCG_AREG0] = (tcg_target_ulong)env;
365     regs[TCG_REG_CALL_STACK] = (uintptr_t)stack;
366     tci_assert(tb_ptr);
367 
368     for (;;) {
369         uint32_t insn;
370         TCGOpcode opc;
371         TCGReg r0, r1, r2, r3, r4, r5;
372         tcg_target_ulong t1;
373         TCGCond condition;
374         uint8_t pos, len;
375         uint32_t tmp32;
376         uint64_t tmp64, taddr;
377         uint64_t T1, T2;
378         MemOpIdx oi;
379         int32_t ofs;
380         void *ptr;
381 
382         insn = *tb_ptr++;
383         opc = extract32(insn, 0, 8);
384 
385         switch (opc) {
386         case INDEX_op_call:
387             {
388                 void *call_slots[MAX_CALL_IARGS];
389                 ffi_cif *cif;
390                 void *func;
391                 unsigned i, s, n;
392 
393                 tci_args_nl(insn, tb_ptr, &len, &ptr);
394                 func = ((void **)ptr)[0];
395                 cif = ((void **)ptr)[1];
396 
397                 n = cif->nargs;
398                 for (i = s = 0; i < n; ++i) {
399                     ffi_type *t = cif->arg_types[i];
400                     call_slots[i] = &stack[s];
401                     s += DIV_ROUND_UP(t->size, 8);
402                 }
403 
404                 /* Helper functions may need to access the "return address" */
405                 tci_tb_ptr = (uintptr_t)tb_ptr;
406                 ffi_call(cif, func, stack, call_slots);
407             }
408 
409             switch (len) {
410             case 0: /* void */
411                 break;
412             case 1: /* uint32_t */
413                 /*
414                  * The result winds up "left-aligned" in the stack[0] slot.
415                  * Note that libffi has an odd special case in that it will
416                  * always widen an integral result to ffi_arg.
417                  */
418                 if (sizeof(ffi_arg) == 8) {
419                     regs[TCG_REG_R0] = (uint32_t)stack[0];
420                 } else {
421                     regs[TCG_REG_R0] = *(uint32_t *)stack;
422                 }
423                 break;
424             case 2: /* uint64_t */
425                 /*
426                  * For TCG_TARGET_REG_BITS == 32, the register pair
427                  * must stay in host memory order.
428                  */
429                 memcpy(&regs[TCG_REG_R0], stack, 8);
430                 break;
431             case 3: /* Int128 */
432                 memcpy(&regs[TCG_REG_R0], stack, 16);
433                 break;
434             default:
435                 g_assert_not_reached();
436             }
437             break;
438 
439         case INDEX_op_br:
440             tci_args_l(insn, tb_ptr, &ptr);
441             tb_ptr = ptr;
442             continue;
443         case INDEX_op_setcond_i32:
444             tci_args_rrrc(insn, &r0, &r1, &r2, &condition);
445             regs[r0] = tci_compare32(regs[r1], regs[r2], condition);
446             break;
447         case INDEX_op_movcond_i32:
448             tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &condition);
449             tmp32 = tci_compare32(regs[r1], regs[r2], condition);
450             regs[r0] = regs[tmp32 ? r3 : r4];
451             break;
452 #if TCG_TARGET_REG_BITS == 32
453         case INDEX_op_setcond2_i32:
454             tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &condition);
455             T1 = tci_uint64(regs[r2], regs[r1]);
456             T2 = tci_uint64(regs[r4], regs[r3]);
457             regs[r0] = tci_compare64(T1, T2, condition);
458             break;
459 #elif TCG_TARGET_REG_BITS == 64
460         case INDEX_op_setcond_i64:
461             tci_args_rrrc(insn, &r0, &r1, &r2, &condition);
462             regs[r0] = tci_compare64(regs[r1], regs[r2], condition);
463             break;
464         case INDEX_op_movcond_i64:
465             tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &condition);
466             tmp32 = tci_compare64(regs[r1], regs[r2], condition);
467             regs[r0] = regs[tmp32 ? r3 : r4];
468             break;
469 #endif
470         CASE_32_64(mov)
471             tci_args_rr(insn, &r0, &r1);
472             regs[r0] = regs[r1];
473             break;
474         case INDEX_op_tci_movi:
475             tci_args_ri(insn, &r0, &t1);
476             regs[r0] = t1;
477             break;
478         case INDEX_op_tci_movl:
479             tci_args_rl(insn, tb_ptr, &r0, &ptr);
480             regs[r0] = *(tcg_target_ulong *)ptr;
481             break;
482 
483             /* Load/store operations (32 bit). */
484 
485         CASE_32_64(ld8u)
486             tci_args_rrs(insn, &r0, &r1, &ofs);
487             ptr = (void *)(regs[r1] + ofs);
488             regs[r0] = *(uint8_t *)ptr;
489             break;
490         CASE_32_64(ld8s)
491             tci_args_rrs(insn, &r0, &r1, &ofs);
492             ptr = (void *)(regs[r1] + ofs);
493             regs[r0] = *(int8_t *)ptr;
494             break;
495         CASE_32_64(ld16u)
496             tci_args_rrs(insn, &r0, &r1, &ofs);
497             ptr = (void *)(regs[r1] + ofs);
498             regs[r0] = *(uint16_t *)ptr;
499             break;
500         CASE_32_64(ld16s)
501             tci_args_rrs(insn, &r0, &r1, &ofs);
502             ptr = (void *)(regs[r1] + ofs);
503             regs[r0] = *(int16_t *)ptr;
504             break;
505         case INDEX_op_ld_i32:
506         CASE_64(ld32u)
507             tci_args_rrs(insn, &r0, &r1, &ofs);
508             ptr = (void *)(regs[r1] + ofs);
509             regs[r0] = *(uint32_t *)ptr;
510             break;
511         CASE_32_64(st8)
512             tci_args_rrs(insn, &r0, &r1, &ofs);
513             ptr = (void *)(regs[r1] + ofs);
514             *(uint8_t *)ptr = regs[r0];
515             break;
516         CASE_32_64(st16)
517             tci_args_rrs(insn, &r0, &r1, &ofs);
518             ptr = (void *)(regs[r1] + ofs);
519             *(uint16_t *)ptr = regs[r0];
520             break;
521         case INDEX_op_st_i32:
522         CASE_64(st32)
523             tci_args_rrs(insn, &r0, &r1, &ofs);
524             ptr = (void *)(regs[r1] + ofs);
525             *(uint32_t *)ptr = regs[r0];
526             break;
527 
528             /* Arithmetic operations (mixed 32/64 bit). */
529 
530         CASE_32_64(add)
531             tci_args_rrr(insn, &r0, &r1, &r2);
532             regs[r0] = regs[r1] + regs[r2];
533             break;
534         CASE_32_64(sub)
535             tci_args_rrr(insn, &r0, &r1, &r2);
536             regs[r0] = regs[r1] - regs[r2];
537             break;
538         CASE_32_64(mul)
539             tci_args_rrr(insn, &r0, &r1, &r2);
540             regs[r0] = regs[r1] * regs[r2];
541             break;
542         CASE_32_64(and)
543             tci_args_rrr(insn, &r0, &r1, &r2);
544             regs[r0] = regs[r1] & regs[r2];
545             break;
546         CASE_32_64(or)
547             tci_args_rrr(insn, &r0, &r1, &r2);
548             regs[r0] = regs[r1] | regs[r2];
549             break;
550         CASE_32_64(xor)
551             tci_args_rrr(insn, &r0, &r1, &r2);
552             regs[r0] = regs[r1] ^ regs[r2];
553             break;
554 #if TCG_TARGET_HAS_andc_i32 || TCG_TARGET_HAS_andc_i64
555         CASE_32_64(andc)
556             tci_args_rrr(insn, &r0, &r1, &r2);
557             regs[r0] = regs[r1] & ~regs[r2];
558             break;
559 #endif
560 #if TCG_TARGET_HAS_orc_i32 || TCG_TARGET_HAS_orc_i64
561         CASE_32_64(orc)
562             tci_args_rrr(insn, &r0, &r1, &r2);
563             regs[r0] = regs[r1] | ~regs[r2];
564             break;
565 #endif
566 #if TCG_TARGET_HAS_eqv_i32 || TCG_TARGET_HAS_eqv_i64
567         CASE_32_64(eqv)
568             tci_args_rrr(insn, &r0, &r1, &r2);
569             regs[r0] = ~(regs[r1] ^ regs[r2]);
570             break;
571 #endif
572 #if TCG_TARGET_HAS_nand_i32 || TCG_TARGET_HAS_nand_i64
573         CASE_32_64(nand)
574             tci_args_rrr(insn, &r0, &r1, &r2);
575             regs[r0] = ~(regs[r1] & regs[r2]);
576             break;
577 #endif
578 #if TCG_TARGET_HAS_nor_i32 || TCG_TARGET_HAS_nor_i64
579         CASE_32_64(nor)
580             tci_args_rrr(insn, &r0, &r1, &r2);
581             regs[r0] = ~(regs[r1] | regs[r2]);
582             break;
583 #endif
584 
585             /* Arithmetic operations (32 bit). */
586 
587         case INDEX_op_div_i32:
588             tci_args_rrr(insn, &r0, &r1, &r2);
589             regs[r0] = (int32_t)regs[r1] / (int32_t)regs[r2];
590             break;
591         case INDEX_op_divu_i32:
592             tci_args_rrr(insn, &r0, &r1, &r2);
593             regs[r0] = (uint32_t)regs[r1] / (uint32_t)regs[r2];
594             break;
595         case INDEX_op_rem_i32:
596             tci_args_rrr(insn, &r0, &r1, &r2);
597             regs[r0] = (int32_t)regs[r1] % (int32_t)regs[r2];
598             break;
599         case INDEX_op_remu_i32:
600             tci_args_rrr(insn, &r0, &r1, &r2);
601             regs[r0] = (uint32_t)regs[r1] % (uint32_t)regs[r2];
602             break;
603 #if TCG_TARGET_HAS_clz_i32
604         case INDEX_op_clz_i32:
605             tci_args_rrr(insn, &r0, &r1, &r2);
606             tmp32 = regs[r1];
607             regs[r0] = tmp32 ? clz32(tmp32) : regs[r2];
608             break;
609 #endif
610 #if TCG_TARGET_HAS_ctz_i32
611         case INDEX_op_ctz_i32:
612             tci_args_rrr(insn, &r0, &r1, &r2);
613             tmp32 = regs[r1];
614             regs[r0] = tmp32 ? ctz32(tmp32) : regs[r2];
615             break;
616 #endif
617 #if TCG_TARGET_HAS_ctpop_i32
618         case INDEX_op_ctpop_i32:
619             tci_args_rr(insn, &r0, &r1);
620             regs[r0] = ctpop32(regs[r1]);
621             break;
622 #endif
623 
624             /* Shift/rotate operations (32 bit). */
625 
626         case INDEX_op_shl_i32:
627             tci_args_rrr(insn, &r0, &r1, &r2);
628             regs[r0] = (uint32_t)regs[r1] << (regs[r2] & 31);
629             break;
630         case INDEX_op_shr_i32:
631             tci_args_rrr(insn, &r0, &r1, &r2);
632             regs[r0] = (uint32_t)regs[r1] >> (regs[r2] & 31);
633             break;
634         case INDEX_op_sar_i32:
635             tci_args_rrr(insn, &r0, &r1, &r2);
636             regs[r0] = (int32_t)regs[r1] >> (regs[r2] & 31);
637             break;
638 #if TCG_TARGET_HAS_rot_i32
639         case INDEX_op_rotl_i32:
640             tci_args_rrr(insn, &r0, &r1, &r2);
641             regs[r0] = rol32(regs[r1], regs[r2] & 31);
642             break;
643         case INDEX_op_rotr_i32:
644             tci_args_rrr(insn, &r0, &r1, &r2);
645             regs[r0] = ror32(regs[r1], regs[r2] & 31);
646             break;
647 #endif
648 #if TCG_TARGET_HAS_deposit_i32
649         case INDEX_op_deposit_i32:
650             tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len);
651             regs[r0] = deposit32(regs[r1], pos, len, regs[r2]);
652             break;
653 #endif
654 #if TCG_TARGET_HAS_extract_i32
655         case INDEX_op_extract_i32:
656             tci_args_rrbb(insn, &r0, &r1, &pos, &len);
657             regs[r0] = extract32(regs[r1], pos, len);
658             break;
659 #endif
660 #if TCG_TARGET_HAS_sextract_i32
661         case INDEX_op_sextract_i32:
662             tci_args_rrbb(insn, &r0, &r1, &pos, &len);
663             regs[r0] = sextract32(regs[r1], pos, len);
664             break;
665 #endif
666         case INDEX_op_brcond_i32:
667             tci_args_rl(insn, tb_ptr, &r0, &ptr);
668             if ((uint32_t)regs[r0]) {
669                 tb_ptr = ptr;
670             }
671             break;
672 #if TCG_TARGET_REG_BITS == 32 || TCG_TARGET_HAS_add2_i32
673         case INDEX_op_add2_i32:
674             tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
675             T1 = tci_uint64(regs[r3], regs[r2]);
676             T2 = tci_uint64(regs[r5], regs[r4]);
677             tci_write_reg64(regs, r1, r0, T1 + T2);
678             break;
679 #endif
680 #if TCG_TARGET_REG_BITS == 32 || TCG_TARGET_HAS_sub2_i32
681         case INDEX_op_sub2_i32:
682             tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
683             T1 = tci_uint64(regs[r3], regs[r2]);
684             T2 = tci_uint64(regs[r5], regs[r4]);
685             tci_write_reg64(regs, r1, r0, T1 - T2);
686             break;
687 #endif
688 #if TCG_TARGET_HAS_mulu2_i32
689         case INDEX_op_mulu2_i32:
690             tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
691             tmp64 = (uint64_t)(uint32_t)regs[r2] * (uint32_t)regs[r3];
692             tci_write_reg64(regs, r1, r0, tmp64);
693             break;
694 #endif
695 #if TCG_TARGET_HAS_muls2_i32
696         case INDEX_op_muls2_i32:
697             tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
698             tmp64 = (int64_t)(int32_t)regs[r2] * (int32_t)regs[r3];
699             tci_write_reg64(regs, r1, r0, tmp64);
700             break;
701 #endif
702 #if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64
703         CASE_32_64(ext8s)
704             tci_args_rr(insn, &r0, &r1);
705             regs[r0] = (int8_t)regs[r1];
706             break;
707 #endif
708 #if TCG_TARGET_HAS_ext16s_i32 || TCG_TARGET_HAS_ext16s_i64 || \
709     TCG_TARGET_HAS_bswap16_i32 || TCG_TARGET_HAS_bswap16_i64
710         CASE_32_64(ext16s)
711             tci_args_rr(insn, &r0, &r1);
712             regs[r0] = (int16_t)regs[r1];
713             break;
714 #endif
715 #if TCG_TARGET_HAS_ext8u_i32 || TCG_TARGET_HAS_ext8u_i64
716         CASE_32_64(ext8u)
717             tci_args_rr(insn, &r0, &r1);
718             regs[r0] = (uint8_t)regs[r1];
719             break;
720 #endif
721 #if TCG_TARGET_HAS_ext16u_i32 || TCG_TARGET_HAS_ext16u_i64
722         CASE_32_64(ext16u)
723             tci_args_rr(insn, &r0, &r1);
724             regs[r0] = (uint16_t)regs[r1];
725             break;
726 #endif
727 #if TCG_TARGET_HAS_bswap16_i32 || TCG_TARGET_HAS_bswap16_i64
728         CASE_32_64(bswap16)
729             tci_args_rr(insn, &r0, &r1);
730             regs[r0] = bswap16(regs[r1]);
731             break;
732 #endif
733 #if TCG_TARGET_HAS_bswap32_i32 || TCG_TARGET_HAS_bswap32_i64
734         CASE_32_64(bswap32)
735             tci_args_rr(insn, &r0, &r1);
736             regs[r0] = bswap32(regs[r1]);
737             break;
738 #endif
739 #if TCG_TARGET_HAS_not_i32 || TCG_TARGET_HAS_not_i64
740         CASE_32_64(not)
741             tci_args_rr(insn, &r0, &r1);
742             regs[r0] = ~regs[r1];
743             break;
744 #endif
745 #if TCG_TARGET_HAS_neg_i32 || TCG_TARGET_HAS_neg_i64
746         CASE_32_64(neg)
747             tci_args_rr(insn, &r0, &r1);
748             regs[r0] = -regs[r1];
749             break;
750 #endif
751 #if TCG_TARGET_REG_BITS == 64
752             /* Load/store operations (64 bit). */
753 
754         case INDEX_op_ld32s_i64:
755             tci_args_rrs(insn, &r0, &r1, &ofs);
756             ptr = (void *)(regs[r1] + ofs);
757             regs[r0] = *(int32_t *)ptr;
758             break;
759         case INDEX_op_ld_i64:
760             tci_args_rrs(insn, &r0, &r1, &ofs);
761             ptr = (void *)(regs[r1] + ofs);
762             regs[r0] = *(uint64_t *)ptr;
763             break;
764         case INDEX_op_st_i64:
765             tci_args_rrs(insn, &r0, &r1, &ofs);
766             ptr = (void *)(regs[r1] + ofs);
767             *(uint64_t *)ptr = regs[r0];
768             break;
769 
770             /* Arithmetic operations (64 bit). */
771 
772         case INDEX_op_div_i64:
773             tci_args_rrr(insn, &r0, &r1, &r2);
774             regs[r0] = (int64_t)regs[r1] / (int64_t)regs[r2];
775             break;
776         case INDEX_op_divu_i64:
777             tci_args_rrr(insn, &r0, &r1, &r2);
778             regs[r0] = (uint64_t)regs[r1] / (uint64_t)regs[r2];
779             break;
780         case INDEX_op_rem_i64:
781             tci_args_rrr(insn, &r0, &r1, &r2);
782             regs[r0] = (int64_t)regs[r1] % (int64_t)regs[r2];
783             break;
784         case INDEX_op_remu_i64:
785             tci_args_rrr(insn, &r0, &r1, &r2);
786             regs[r0] = (uint64_t)regs[r1] % (uint64_t)regs[r2];
787             break;
788 #if TCG_TARGET_HAS_clz_i64
789         case INDEX_op_clz_i64:
790             tci_args_rrr(insn, &r0, &r1, &r2);
791             regs[r0] = regs[r1] ? clz64(regs[r1]) : regs[r2];
792             break;
793 #endif
794 #if TCG_TARGET_HAS_ctz_i64
795         case INDEX_op_ctz_i64:
796             tci_args_rrr(insn, &r0, &r1, &r2);
797             regs[r0] = regs[r1] ? ctz64(regs[r1]) : regs[r2];
798             break;
799 #endif
800 #if TCG_TARGET_HAS_ctpop_i64
801         case INDEX_op_ctpop_i64:
802             tci_args_rr(insn, &r0, &r1);
803             regs[r0] = ctpop64(regs[r1]);
804             break;
805 #endif
806 #if TCG_TARGET_HAS_mulu2_i64
807         case INDEX_op_mulu2_i64:
808             tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
809             mulu64(&regs[r0], &regs[r1], regs[r2], regs[r3]);
810             break;
811 #endif
812 #if TCG_TARGET_HAS_muls2_i64
813         case INDEX_op_muls2_i64:
814             tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
815             muls64(&regs[r0], &regs[r1], regs[r2], regs[r3]);
816             break;
817 #endif
818 #if TCG_TARGET_HAS_add2_i64
819         case INDEX_op_add2_i64:
820             tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
821             T1 = regs[r2] + regs[r4];
822             T2 = regs[r3] + regs[r5] + (T1 < regs[r2]);
823             regs[r0] = T1;
824             regs[r1] = T2;
825             break;
826 #endif
827 #if TCG_TARGET_HAS_add2_i64
828         case INDEX_op_sub2_i64:
829             tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
830             T1 = regs[r2] - regs[r4];
831             T2 = regs[r3] - regs[r5] - (regs[r2] < regs[r4]);
832             regs[r0] = T1;
833             regs[r1] = T2;
834             break;
835 #endif
836 
837             /* Shift/rotate operations (64 bit). */
838 
839         case INDEX_op_shl_i64:
840             tci_args_rrr(insn, &r0, &r1, &r2);
841             regs[r0] = regs[r1] << (regs[r2] & 63);
842             break;
843         case INDEX_op_shr_i64:
844             tci_args_rrr(insn, &r0, &r1, &r2);
845             regs[r0] = regs[r1] >> (regs[r2] & 63);
846             break;
847         case INDEX_op_sar_i64:
848             tci_args_rrr(insn, &r0, &r1, &r2);
849             regs[r0] = (int64_t)regs[r1] >> (regs[r2] & 63);
850             break;
851 #if TCG_TARGET_HAS_rot_i64
852         case INDEX_op_rotl_i64:
853             tci_args_rrr(insn, &r0, &r1, &r2);
854             regs[r0] = rol64(regs[r1], regs[r2] & 63);
855             break;
856         case INDEX_op_rotr_i64:
857             tci_args_rrr(insn, &r0, &r1, &r2);
858             regs[r0] = ror64(regs[r1], regs[r2] & 63);
859             break;
860 #endif
861 #if TCG_TARGET_HAS_deposit_i64
862         case INDEX_op_deposit_i64:
863             tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len);
864             regs[r0] = deposit64(regs[r1], pos, len, regs[r2]);
865             break;
866 #endif
867 #if TCG_TARGET_HAS_extract_i64
868         case INDEX_op_extract_i64:
869             tci_args_rrbb(insn, &r0, &r1, &pos, &len);
870             regs[r0] = extract64(regs[r1], pos, len);
871             break;
872 #endif
873 #if TCG_TARGET_HAS_sextract_i64
874         case INDEX_op_sextract_i64:
875             tci_args_rrbb(insn, &r0, &r1, &pos, &len);
876             regs[r0] = sextract64(regs[r1], pos, len);
877             break;
878 #endif
879         case INDEX_op_brcond_i64:
880             tci_args_rl(insn, tb_ptr, &r0, &ptr);
881             if (regs[r0]) {
882                 tb_ptr = ptr;
883             }
884             break;
885         case INDEX_op_ext32s_i64:
886         case INDEX_op_ext_i32_i64:
887             tci_args_rr(insn, &r0, &r1);
888             regs[r0] = (int32_t)regs[r1];
889             break;
890         case INDEX_op_ext32u_i64:
891         case INDEX_op_extu_i32_i64:
892             tci_args_rr(insn, &r0, &r1);
893             regs[r0] = (uint32_t)regs[r1];
894             break;
895 #if TCG_TARGET_HAS_bswap64_i64
896         case INDEX_op_bswap64_i64:
897             tci_args_rr(insn, &r0, &r1);
898             regs[r0] = bswap64(regs[r1]);
899             break;
900 #endif
901 #endif /* TCG_TARGET_REG_BITS == 64 */
902 
903             /* QEMU specific operations. */
904 
905         case INDEX_op_exit_tb:
906             tci_args_l(insn, tb_ptr, &ptr);
907             return (uintptr_t)ptr;
908 
909         case INDEX_op_goto_tb:
910             tci_args_l(insn, tb_ptr, &ptr);
911             tb_ptr = *(void **)ptr;
912             break;
913 
914         case INDEX_op_goto_ptr:
915             tci_args_r(insn, &r0);
916             ptr = (void *)regs[r0];
917             if (!ptr) {
918                 return 0;
919             }
920             tb_ptr = ptr;
921             break;
922 
923         case INDEX_op_qemu_ld_a32_i32:
924             tci_args_rrm(insn, &r0, &r1, &oi);
925             taddr = (uint32_t)regs[r1];
926             goto do_ld_i32;
927         case INDEX_op_qemu_ld_a64_i32:
928             if (TCG_TARGET_REG_BITS == 64) {
929                 tci_args_rrm(insn, &r0, &r1, &oi);
930                 taddr = regs[r1];
931             } else {
932                 tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
933                 taddr = tci_uint64(regs[r2], regs[r1]);
934             }
935         do_ld_i32:
936             regs[r0] = tci_qemu_ld(env, taddr, oi, tb_ptr);
937             break;
938 
939         case INDEX_op_qemu_ld_a32_i64:
940             if (TCG_TARGET_REG_BITS == 64) {
941                 tci_args_rrm(insn, &r0, &r1, &oi);
942                 taddr = (uint32_t)regs[r1];
943             } else {
944                 tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
945                 taddr = (uint32_t)regs[r2];
946             }
947             goto do_ld_i64;
948         case INDEX_op_qemu_ld_a64_i64:
949             if (TCG_TARGET_REG_BITS == 64) {
950                 tci_args_rrm(insn, &r0, &r1, &oi);
951                 taddr = regs[r1];
952             } else {
953                 tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4);
954                 taddr = tci_uint64(regs[r3], regs[r2]);
955                 oi = regs[r4];
956             }
957         do_ld_i64:
958             tmp64 = tci_qemu_ld(env, taddr, oi, tb_ptr);
959             if (TCG_TARGET_REG_BITS == 32) {
960                 tci_write_reg64(regs, r1, r0, tmp64);
961             } else {
962                 regs[r0] = tmp64;
963             }
964             break;
965 
966         case INDEX_op_qemu_st_a32_i32:
967             tci_args_rrm(insn, &r0, &r1, &oi);
968             taddr = (uint32_t)regs[r1];
969             goto do_st_i32;
970         case INDEX_op_qemu_st_a64_i32:
971             if (TCG_TARGET_REG_BITS == 64) {
972                 tci_args_rrm(insn, &r0, &r1, &oi);
973                 taddr = regs[r1];
974             } else {
975                 tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
976                 taddr = tci_uint64(regs[r2], regs[r1]);
977             }
978         do_st_i32:
979             tci_qemu_st(env, taddr, regs[r0], oi, tb_ptr);
980             break;
981 
982         case INDEX_op_qemu_st_a32_i64:
983             if (TCG_TARGET_REG_BITS == 64) {
984                 tci_args_rrm(insn, &r0, &r1, &oi);
985                 tmp64 = regs[r0];
986                 taddr = (uint32_t)regs[r1];
987             } else {
988                 tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
989                 tmp64 = tci_uint64(regs[r1], regs[r0]);
990                 taddr = (uint32_t)regs[r2];
991             }
992             goto do_st_i64;
993         case INDEX_op_qemu_st_a64_i64:
994             if (TCG_TARGET_REG_BITS == 64) {
995                 tci_args_rrm(insn, &r0, &r1, &oi);
996                 tmp64 = regs[r0];
997                 taddr = regs[r1];
998             } else {
999                 tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4);
1000                 tmp64 = tci_uint64(regs[r1], regs[r0]);
1001                 taddr = tci_uint64(regs[r3], regs[r2]);
1002                 oi = regs[r4];
1003             }
1004         do_st_i64:
1005             tci_qemu_st(env, taddr, tmp64, oi, tb_ptr);
1006             break;
1007 
1008         case INDEX_op_mb:
1009             /* Ensure ordering for all kinds */
1010             smp_mb();
1011             break;
1012         default:
1013             g_assert_not_reached();
1014         }
1015     }
1016 }
1017 
1018 /*
1019  * Disassembler that matches the interpreter
1020  */
1021 
1022 static const char *str_r(TCGReg r)
1023 {
1024     static const char regs[TCG_TARGET_NB_REGS][4] = {
1025         "r0", "r1", "r2",  "r3",  "r4",  "r5",  "r6",  "r7",
1026         "r8", "r9", "r10", "r11", "r12", "r13", "env", "sp"
1027     };
1028 
1029     QEMU_BUILD_BUG_ON(TCG_AREG0 != TCG_REG_R14);
1030     QEMU_BUILD_BUG_ON(TCG_REG_CALL_STACK != TCG_REG_R15);
1031 
1032     assert((unsigned)r < TCG_TARGET_NB_REGS);
1033     return regs[r];
1034 }
1035 
1036 static const char *str_c(TCGCond c)
1037 {
1038     static const char cond[16][8] = {
1039         [TCG_COND_NEVER] = "never",
1040         [TCG_COND_ALWAYS] = "always",
1041         [TCG_COND_EQ] = "eq",
1042         [TCG_COND_NE] = "ne",
1043         [TCG_COND_LT] = "lt",
1044         [TCG_COND_GE] = "ge",
1045         [TCG_COND_LE] = "le",
1046         [TCG_COND_GT] = "gt",
1047         [TCG_COND_LTU] = "ltu",
1048         [TCG_COND_GEU] = "geu",
1049         [TCG_COND_LEU] = "leu",
1050         [TCG_COND_GTU] = "gtu",
1051     };
1052 
1053     assert((unsigned)c < ARRAY_SIZE(cond));
1054     assert(cond[c][0] != 0);
1055     return cond[c];
1056 }
1057 
1058 /* Disassemble TCI bytecode. */
1059 int print_insn_tci(bfd_vma addr, disassemble_info *info)
1060 {
1061     const uint32_t *tb_ptr = (const void *)(uintptr_t)addr;
1062     const TCGOpDef *def;
1063     const char *op_name;
1064     uint32_t insn;
1065     TCGOpcode op;
1066     TCGReg r0, r1, r2, r3, r4, r5;
1067     tcg_target_ulong i1;
1068     int32_t s2;
1069     TCGCond c;
1070     MemOpIdx oi;
1071     uint8_t pos, len;
1072     void *ptr;
1073 
1074     /* TCI is always the host, so we don't need to load indirect. */
1075     insn = *tb_ptr++;
1076 
1077     info->fprintf_func(info->stream, "%08x  ", insn);
1078 
1079     op = extract32(insn, 0, 8);
1080     def = &tcg_op_defs[op];
1081     op_name = def->name;
1082 
1083     switch (op) {
1084     case INDEX_op_br:
1085     case INDEX_op_exit_tb:
1086     case INDEX_op_goto_tb:
1087         tci_args_l(insn, tb_ptr, &ptr);
1088         info->fprintf_func(info->stream, "%-12s  %p", op_name, ptr);
1089         break;
1090 
1091     case INDEX_op_goto_ptr:
1092         tci_args_r(insn, &r0);
1093         info->fprintf_func(info->stream, "%-12s  %s", op_name, str_r(r0));
1094         break;
1095 
1096     case INDEX_op_call:
1097         tci_args_nl(insn, tb_ptr, &len, &ptr);
1098         info->fprintf_func(info->stream, "%-12s  %d, %p", op_name, len, ptr);
1099         break;
1100 
1101     case INDEX_op_brcond_i32:
1102     case INDEX_op_brcond_i64:
1103         tci_args_rl(insn, tb_ptr, &r0, &ptr);
1104         info->fprintf_func(info->stream, "%-12s  %s, 0, ne, %p",
1105                            op_name, str_r(r0), ptr);
1106         break;
1107 
1108     case INDEX_op_setcond_i32:
1109     case INDEX_op_setcond_i64:
1110         tci_args_rrrc(insn, &r0, &r1, &r2, &c);
1111         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s",
1112                            op_name, str_r(r0), str_r(r1), str_r(r2), str_c(c));
1113         break;
1114 
1115     case INDEX_op_tci_movi:
1116         tci_args_ri(insn, &r0, &i1);
1117         info->fprintf_func(info->stream, "%-12s  %s, 0x%" TCG_PRIlx,
1118                            op_name, str_r(r0), i1);
1119         break;
1120 
1121     case INDEX_op_tci_movl:
1122         tci_args_rl(insn, tb_ptr, &r0, &ptr);
1123         info->fprintf_func(info->stream, "%-12s  %s, %p",
1124                            op_name, str_r(r0), ptr);
1125         break;
1126 
1127     case INDEX_op_ld8u_i32:
1128     case INDEX_op_ld8u_i64:
1129     case INDEX_op_ld8s_i32:
1130     case INDEX_op_ld8s_i64:
1131     case INDEX_op_ld16u_i32:
1132     case INDEX_op_ld16u_i64:
1133     case INDEX_op_ld16s_i32:
1134     case INDEX_op_ld16s_i64:
1135     case INDEX_op_ld32u_i64:
1136     case INDEX_op_ld32s_i64:
1137     case INDEX_op_ld_i32:
1138     case INDEX_op_ld_i64:
1139     case INDEX_op_st8_i32:
1140     case INDEX_op_st8_i64:
1141     case INDEX_op_st16_i32:
1142     case INDEX_op_st16_i64:
1143     case INDEX_op_st32_i64:
1144     case INDEX_op_st_i32:
1145     case INDEX_op_st_i64:
1146         tci_args_rrs(insn, &r0, &r1, &s2);
1147         info->fprintf_func(info->stream, "%-12s  %s, %s, %d",
1148                            op_name, str_r(r0), str_r(r1), s2);
1149         break;
1150 
1151     case INDEX_op_mov_i32:
1152     case INDEX_op_mov_i64:
1153     case INDEX_op_ext8s_i32:
1154     case INDEX_op_ext8s_i64:
1155     case INDEX_op_ext8u_i32:
1156     case INDEX_op_ext8u_i64:
1157     case INDEX_op_ext16s_i32:
1158     case INDEX_op_ext16s_i64:
1159     case INDEX_op_ext16u_i32:
1160     case INDEX_op_ext32s_i64:
1161     case INDEX_op_ext32u_i64:
1162     case INDEX_op_ext_i32_i64:
1163     case INDEX_op_extu_i32_i64:
1164     case INDEX_op_bswap16_i32:
1165     case INDEX_op_bswap16_i64:
1166     case INDEX_op_bswap32_i32:
1167     case INDEX_op_bswap32_i64:
1168     case INDEX_op_bswap64_i64:
1169     case INDEX_op_not_i32:
1170     case INDEX_op_not_i64:
1171     case INDEX_op_neg_i32:
1172     case INDEX_op_neg_i64:
1173     case INDEX_op_ctpop_i32:
1174     case INDEX_op_ctpop_i64:
1175         tci_args_rr(insn, &r0, &r1);
1176         info->fprintf_func(info->stream, "%-12s  %s, %s",
1177                            op_name, str_r(r0), str_r(r1));
1178         break;
1179 
1180     case INDEX_op_add_i32:
1181     case INDEX_op_add_i64:
1182     case INDEX_op_sub_i32:
1183     case INDEX_op_sub_i64:
1184     case INDEX_op_mul_i32:
1185     case INDEX_op_mul_i64:
1186     case INDEX_op_and_i32:
1187     case INDEX_op_and_i64:
1188     case INDEX_op_or_i32:
1189     case INDEX_op_or_i64:
1190     case INDEX_op_xor_i32:
1191     case INDEX_op_xor_i64:
1192     case INDEX_op_andc_i32:
1193     case INDEX_op_andc_i64:
1194     case INDEX_op_orc_i32:
1195     case INDEX_op_orc_i64:
1196     case INDEX_op_eqv_i32:
1197     case INDEX_op_eqv_i64:
1198     case INDEX_op_nand_i32:
1199     case INDEX_op_nand_i64:
1200     case INDEX_op_nor_i32:
1201     case INDEX_op_nor_i64:
1202     case INDEX_op_div_i32:
1203     case INDEX_op_div_i64:
1204     case INDEX_op_rem_i32:
1205     case INDEX_op_rem_i64:
1206     case INDEX_op_divu_i32:
1207     case INDEX_op_divu_i64:
1208     case INDEX_op_remu_i32:
1209     case INDEX_op_remu_i64:
1210     case INDEX_op_shl_i32:
1211     case INDEX_op_shl_i64:
1212     case INDEX_op_shr_i32:
1213     case INDEX_op_shr_i64:
1214     case INDEX_op_sar_i32:
1215     case INDEX_op_sar_i64:
1216     case INDEX_op_rotl_i32:
1217     case INDEX_op_rotl_i64:
1218     case INDEX_op_rotr_i32:
1219     case INDEX_op_rotr_i64:
1220     case INDEX_op_clz_i32:
1221     case INDEX_op_clz_i64:
1222     case INDEX_op_ctz_i32:
1223     case INDEX_op_ctz_i64:
1224         tci_args_rrr(insn, &r0, &r1, &r2);
1225         info->fprintf_func(info->stream, "%-12s  %s, %s, %s",
1226                            op_name, str_r(r0), str_r(r1), str_r(r2));
1227         break;
1228 
1229     case INDEX_op_deposit_i32:
1230     case INDEX_op_deposit_i64:
1231         tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len);
1232         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %d, %d",
1233                            op_name, str_r(r0), str_r(r1), str_r(r2), pos, len);
1234         break;
1235 
1236     case INDEX_op_extract_i32:
1237     case INDEX_op_extract_i64:
1238     case INDEX_op_sextract_i32:
1239     case INDEX_op_sextract_i64:
1240         tci_args_rrbb(insn, &r0, &r1, &pos, &len);
1241         info->fprintf_func(info->stream, "%-12s  %s,%s,%d,%d",
1242                            op_name, str_r(r0), str_r(r1), pos, len);
1243         break;
1244 
1245     case INDEX_op_movcond_i32:
1246     case INDEX_op_movcond_i64:
1247     case INDEX_op_setcond2_i32:
1248         tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &c);
1249         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s, %s, %s",
1250                            op_name, str_r(r0), str_r(r1), str_r(r2),
1251                            str_r(r3), str_r(r4), str_c(c));
1252         break;
1253 
1254     case INDEX_op_mulu2_i32:
1255     case INDEX_op_mulu2_i64:
1256     case INDEX_op_muls2_i32:
1257     case INDEX_op_muls2_i64:
1258         tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
1259         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s",
1260                            op_name, str_r(r0), str_r(r1),
1261                            str_r(r2), str_r(r3));
1262         break;
1263 
1264     case INDEX_op_add2_i32:
1265     case INDEX_op_add2_i64:
1266     case INDEX_op_sub2_i32:
1267     case INDEX_op_sub2_i64:
1268         tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
1269         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s, %s, %s",
1270                            op_name, str_r(r0), str_r(r1), str_r(r2),
1271                            str_r(r3), str_r(r4), str_r(r5));
1272         break;
1273 
1274     case INDEX_op_qemu_ld_a32_i32:
1275     case INDEX_op_qemu_st_a32_i32:
1276         len = 1 + 1;
1277         goto do_qemu_ldst;
1278     case INDEX_op_qemu_ld_a32_i64:
1279     case INDEX_op_qemu_st_a32_i64:
1280     case INDEX_op_qemu_ld_a64_i32:
1281     case INDEX_op_qemu_st_a64_i32:
1282         len = 1 + DIV_ROUND_UP(64, TCG_TARGET_REG_BITS);
1283         goto do_qemu_ldst;
1284     case INDEX_op_qemu_ld_a64_i64:
1285     case INDEX_op_qemu_st_a64_i64:
1286         len = 2 * DIV_ROUND_UP(64, TCG_TARGET_REG_BITS);
1287         goto do_qemu_ldst;
1288     do_qemu_ldst:
1289         switch (len) {
1290         case 2:
1291             tci_args_rrm(insn, &r0, &r1, &oi);
1292             info->fprintf_func(info->stream, "%-12s  %s, %s, %x",
1293                                op_name, str_r(r0), str_r(r1), oi);
1294             break;
1295         case 3:
1296             tci_args_rrrm(insn, &r0, &r1, &r2, &oi);
1297             info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %x",
1298                                op_name, str_r(r0), str_r(r1), str_r(r2), oi);
1299             break;
1300         case 4:
1301             tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4);
1302             info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s, %s",
1303                                op_name, str_r(r0), str_r(r1),
1304                                str_r(r2), str_r(r3), str_r(r4));
1305             break;
1306         default:
1307             g_assert_not_reached();
1308         }
1309         break;
1310 
1311     case 0:
1312         /* tcg_out_nop_fill uses zeros */
1313         if (insn == 0) {
1314             info->fprintf_func(info->stream, "align");
1315             break;
1316         }
1317         /* fall through */
1318 
1319     default:
1320         info->fprintf_func(info->stream, "illegal opcode %d", op);
1321         break;
1322     }
1323 
1324     return sizeof(insn);
1325 }
1326