xref: /openbmc/qemu/tcg/tci.c (revision 784155cd)
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, 16, 16);
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_rrrbb(uint32_t insn, TCGReg *r0, TCGReg *r1,
145                            TCGReg *r2, uint8_t *i3, uint8_t *i4)
146 {
147     *r0 = extract32(insn, 8, 4);
148     *r1 = extract32(insn, 12, 4);
149     *r2 = extract32(insn, 16, 4);
150     *i3 = extract32(insn, 20, 6);
151     *i4 = extract32(insn, 26, 6);
152 }
153 
154 static void tci_args_rrrrr(uint32_t insn, TCGReg *r0, TCGReg *r1,
155                            TCGReg *r2, TCGReg *r3, TCGReg *r4)
156 {
157     *r0 = extract32(insn, 8, 4);
158     *r1 = extract32(insn, 12, 4);
159     *r2 = extract32(insn, 16, 4);
160     *r3 = extract32(insn, 20, 4);
161     *r4 = extract32(insn, 24, 4);
162 }
163 
164 static void tci_args_rrrr(uint32_t insn,
165                           TCGReg *r0, TCGReg *r1, TCGReg *r2, TCGReg *r3)
166 {
167     *r0 = extract32(insn, 8, 4);
168     *r1 = extract32(insn, 12, 4);
169     *r2 = extract32(insn, 16, 4);
170     *r3 = extract32(insn, 20, 4);
171 }
172 
173 static void tci_args_rrrrrc(uint32_t insn, TCGReg *r0, TCGReg *r1,
174                             TCGReg *r2, TCGReg *r3, TCGReg *r4, TCGCond *c5)
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     *r4 = extract32(insn, 24, 4);
181     *c5 = extract32(insn, 28, 4);
182 }
183 
184 static void tci_args_rrrrrr(uint32_t insn, TCGReg *r0, TCGReg *r1,
185                             TCGReg *r2, TCGReg *r3, TCGReg *r4, TCGReg *r5)
186 {
187     *r0 = extract32(insn, 8, 4);
188     *r1 = extract32(insn, 12, 4);
189     *r2 = extract32(insn, 16, 4);
190     *r3 = extract32(insn, 20, 4);
191     *r4 = extract32(insn, 24, 4);
192     *r5 = extract32(insn, 28, 4);
193 }
194 
195 static bool tci_compare32(uint32_t u0, uint32_t u1, TCGCond condition)
196 {
197     bool result = false;
198     int32_t i0 = u0;
199     int32_t i1 = u1;
200     switch (condition) {
201     case TCG_COND_EQ:
202         result = (u0 == u1);
203         break;
204     case TCG_COND_NE:
205         result = (u0 != u1);
206         break;
207     case TCG_COND_LT:
208         result = (i0 < i1);
209         break;
210     case TCG_COND_GE:
211         result = (i0 >= i1);
212         break;
213     case TCG_COND_LE:
214         result = (i0 <= i1);
215         break;
216     case TCG_COND_GT:
217         result = (i0 > i1);
218         break;
219     case TCG_COND_LTU:
220         result = (u0 < u1);
221         break;
222     case TCG_COND_GEU:
223         result = (u0 >= u1);
224         break;
225     case TCG_COND_LEU:
226         result = (u0 <= u1);
227         break;
228     case TCG_COND_GTU:
229         result = (u0 > u1);
230         break;
231     default:
232         g_assert_not_reached();
233     }
234     return result;
235 }
236 
237 static bool tci_compare64(uint64_t u0, uint64_t u1, TCGCond condition)
238 {
239     bool result = false;
240     int64_t i0 = u0;
241     int64_t i1 = u1;
242     switch (condition) {
243     case TCG_COND_EQ:
244         result = (u0 == u1);
245         break;
246     case TCG_COND_NE:
247         result = (u0 != u1);
248         break;
249     case TCG_COND_LT:
250         result = (i0 < i1);
251         break;
252     case TCG_COND_GE:
253         result = (i0 >= i1);
254         break;
255     case TCG_COND_LE:
256         result = (i0 <= i1);
257         break;
258     case TCG_COND_GT:
259         result = (i0 > i1);
260         break;
261     case TCG_COND_LTU:
262         result = (u0 < u1);
263         break;
264     case TCG_COND_GEU:
265         result = (u0 >= u1);
266         break;
267     case TCG_COND_LEU:
268         result = (u0 <= u1);
269         break;
270     case TCG_COND_GTU:
271         result = (u0 > u1);
272         break;
273     default:
274         g_assert_not_reached();
275     }
276     return result;
277 }
278 
279 static uint64_t tci_qemu_ld(CPUArchState *env, uint64_t taddr,
280                             MemOpIdx oi, const void *tb_ptr)
281 {
282     MemOp mop = get_memop(oi);
283     uintptr_t ra = (uintptr_t)tb_ptr;
284 
285     switch (mop & MO_SSIZE) {
286     case MO_UB:
287         return helper_ldub_mmu(env, taddr, oi, ra);
288     case MO_SB:
289         return helper_ldsb_mmu(env, taddr, oi, ra);
290     case MO_UW:
291         return helper_lduw_mmu(env, taddr, oi, ra);
292     case MO_SW:
293         return helper_ldsw_mmu(env, taddr, oi, ra);
294     case MO_UL:
295         return helper_ldul_mmu(env, taddr, oi, ra);
296     case MO_SL:
297         return helper_ldsl_mmu(env, taddr, oi, ra);
298     case MO_UQ:
299         return helper_ldq_mmu(env, taddr, oi, ra);
300     default:
301         g_assert_not_reached();
302     }
303 }
304 
305 static void tci_qemu_st(CPUArchState *env, uint64_t taddr, uint64_t val,
306                         MemOpIdx oi, const void *tb_ptr)
307 {
308     MemOp mop = get_memop(oi);
309     uintptr_t ra = (uintptr_t)tb_ptr;
310 
311     switch (mop & MO_SIZE) {
312     case MO_UB:
313         helper_stb_mmu(env, taddr, val, oi, ra);
314         break;
315     case MO_UW:
316         helper_stw_mmu(env, taddr, val, oi, ra);
317         break;
318     case MO_UL:
319         helper_stl_mmu(env, taddr, val, oi, ra);
320         break;
321     case MO_UQ:
322         helper_stq_mmu(env, taddr, val, oi, ra);
323         break;
324     default:
325         g_assert_not_reached();
326     }
327 }
328 
329 #if TCG_TARGET_REG_BITS == 64
330 # define CASE_32_64(x) \
331         case glue(glue(INDEX_op_, x), _i64): \
332         case glue(glue(INDEX_op_, x), _i32):
333 # define CASE_64(x) \
334         case glue(glue(INDEX_op_, x), _i64):
335 #else
336 # define CASE_32_64(x) \
337         case glue(glue(INDEX_op_, x), _i32):
338 # define CASE_64(x)
339 #endif
340 
341 /* Interpret pseudo code in tb. */
342 /*
343  * Disable CFI checks.
344  * One possible operation in the pseudo code is a call to binary code.
345  * Therefore, disable CFI checks in the interpreter function
346  */
347 uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
348                                             const void *v_tb_ptr)
349 {
350     const uint32_t *tb_ptr = v_tb_ptr;
351     tcg_target_ulong regs[TCG_TARGET_NB_REGS];
352     uint64_t stack[(TCG_STATIC_CALL_ARGS_SIZE + TCG_STATIC_FRAME_SIZE)
353                    / sizeof(uint64_t)];
354 
355     regs[TCG_AREG0] = (tcg_target_ulong)env;
356     regs[TCG_REG_CALL_STACK] = (uintptr_t)stack;
357     tci_assert(tb_ptr);
358 
359     for (;;) {
360         uint32_t insn;
361         TCGOpcode opc;
362         TCGReg r0, r1, r2, r3, r4, r5;
363         tcg_target_ulong t1;
364         TCGCond condition;
365         uint8_t pos, len;
366         uint32_t tmp32;
367         uint64_t tmp64, taddr;
368         uint64_t T1, T2;
369         MemOpIdx oi;
370         int32_t ofs;
371         void *ptr;
372 
373         insn = *tb_ptr++;
374         opc = extract32(insn, 0, 8);
375 
376         switch (opc) {
377         case INDEX_op_call:
378             {
379                 void *call_slots[MAX_CALL_IARGS];
380                 ffi_cif *cif;
381                 void *func;
382                 unsigned i, s, n;
383 
384                 tci_args_nl(insn, tb_ptr, &len, &ptr);
385                 func = ((void **)ptr)[0];
386                 cif = ((void **)ptr)[1];
387 
388                 n = cif->nargs;
389                 for (i = s = 0; i < n; ++i) {
390                     ffi_type *t = cif->arg_types[i];
391                     call_slots[i] = &stack[s];
392                     s += DIV_ROUND_UP(t->size, 8);
393                 }
394 
395                 /* Helper functions may need to access the "return address" */
396                 tci_tb_ptr = (uintptr_t)tb_ptr;
397                 ffi_call(cif, func, stack, call_slots);
398             }
399 
400             switch (len) {
401             case 0: /* void */
402                 break;
403             case 1: /* uint32_t */
404                 /*
405                  * The result winds up "left-aligned" in the stack[0] slot.
406                  * Note that libffi has an odd special case in that it will
407                  * always widen an integral result to ffi_arg.
408                  */
409                 if (sizeof(ffi_arg) == 8) {
410                     regs[TCG_REG_R0] = (uint32_t)stack[0];
411                 } else {
412                     regs[TCG_REG_R0] = *(uint32_t *)stack;
413                 }
414                 break;
415             case 2: /* uint64_t */
416                 /*
417                  * For TCG_TARGET_REG_BITS == 32, the register pair
418                  * must stay in host memory order.
419                  */
420                 memcpy(&regs[TCG_REG_R0], stack, 8);
421                 break;
422             case 3: /* Int128 */
423                 memcpy(&regs[TCG_REG_R0], stack, 16);
424                 break;
425             default:
426                 g_assert_not_reached();
427             }
428             break;
429 
430         case INDEX_op_br:
431             tci_args_l(insn, tb_ptr, &ptr);
432             tb_ptr = ptr;
433             continue;
434         case INDEX_op_setcond_i32:
435             tci_args_rrrc(insn, &r0, &r1, &r2, &condition);
436             regs[r0] = tci_compare32(regs[r1], regs[r2], condition);
437             break;
438         case INDEX_op_movcond_i32:
439             tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &condition);
440             tmp32 = tci_compare32(regs[r1], regs[r2], condition);
441             regs[r0] = regs[tmp32 ? r3 : r4];
442             break;
443 #if TCG_TARGET_REG_BITS == 32
444         case INDEX_op_setcond2_i32:
445             tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &condition);
446             T1 = tci_uint64(regs[r2], regs[r1]);
447             T2 = tci_uint64(regs[r4], regs[r3]);
448             regs[r0] = tci_compare64(T1, T2, condition);
449             break;
450 #elif TCG_TARGET_REG_BITS == 64
451         case INDEX_op_setcond_i64:
452             tci_args_rrrc(insn, &r0, &r1, &r2, &condition);
453             regs[r0] = tci_compare64(regs[r1], regs[r2], condition);
454             break;
455         case INDEX_op_movcond_i64:
456             tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &condition);
457             tmp32 = tci_compare64(regs[r1], regs[r2], condition);
458             regs[r0] = regs[tmp32 ? r3 : r4];
459             break;
460 #endif
461         CASE_32_64(mov)
462             tci_args_rr(insn, &r0, &r1);
463             regs[r0] = regs[r1];
464             break;
465         case INDEX_op_tci_movi:
466             tci_args_ri(insn, &r0, &t1);
467             regs[r0] = t1;
468             break;
469         case INDEX_op_tci_movl:
470             tci_args_rl(insn, tb_ptr, &r0, &ptr);
471             regs[r0] = *(tcg_target_ulong *)ptr;
472             break;
473 
474             /* Load/store operations (32 bit). */
475 
476         CASE_32_64(ld8u)
477             tci_args_rrs(insn, &r0, &r1, &ofs);
478             ptr = (void *)(regs[r1] + ofs);
479             regs[r0] = *(uint8_t *)ptr;
480             break;
481         CASE_32_64(ld8s)
482             tci_args_rrs(insn, &r0, &r1, &ofs);
483             ptr = (void *)(regs[r1] + ofs);
484             regs[r0] = *(int8_t *)ptr;
485             break;
486         CASE_32_64(ld16u)
487             tci_args_rrs(insn, &r0, &r1, &ofs);
488             ptr = (void *)(regs[r1] + ofs);
489             regs[r0] = *(uint16_t *)ptr;
490             break;
491         CASE_32_64(ld16s)
492             tci_args_rrs(insn, &r0, &r1, &ofs);
493             ptr = (void *)(regs[r1] + ofs);
494             regs[r0] = *(int16_t *)ptr;
495             break;
496         case INDEX_op_ld_i32:
497         CASE_64(ld32u)
498             tci_args_rrs(insn, &r0, &r1, &ofs);
499             ptr = (void *)(regs[r1] + ofs);
500             regs[r0] = *(uint32_t *)ptr;
501             break;
502         CASE_32_64(st8)
503             tci_args_rrs(insn, &r0, &r1, &ofs);
504             ptr = (void *)(regs[r1] + ofs);
505             *(uint8_t *)ptr = regs[r0];
506             break;
507         CASE_32_64(st16)
508             tci_args_rrs(insn, &r0, &r1, &ofs);
509             ptr = (void *)(regs[r1] + ofs);
510             *(uint16_t *)ptr = regs[r0];
511             break;
512         case INDEX_op_st_i32:
513         CASE_64(st32)
514             tci_args_rrs(insn, &r0, &r1, &ofs);
515             ptr = (void *)(regs[r1] + ofs);
516             *(uint32_t *)ptr = regs[r0];
517             break;
518 
519             /* Arithmetic operations (mixed 32/64 bit). */
520 
521         CASE_32_64(add)
522             tci_args_rrr(insn, &r0, &r1, &r2);
523             regs[r0] = regs[r1] + regs[r2];
524             break;
525         CASE_32_64(sub)
526             tci_args_rrr(insn, &r0, &r1, &r2);
527             regs[r0] = regs[r1] - regs[r2];
528             break;
529         CASE_32_64(mul)
530             tci_args_rrr(insn, &r0, &r1, &r2);
531             regs[r0] = regs[r1] * regs[r2];
532             break;
533         CASE_32_64(and)
534             tci_args_rrr(insn, &r0, &r1, &r2);
535             regs[r0] = regs[r1] & regs[r2];
536             break;
537         CASE_32_64(or)
538             tci_args_rrr(insn, &r0, &r1, &r2);
539             regs[r0] = regs[r1] | regs[r2];
540             break;
541         CASE_32_64(xor)
542             tci_args_rrr(insn, &r0, &r1, &r2);
543             regs[r0] = regs[r1] ^ regs[r2];
544             break;
545 #if TCG_TARGET_HAS_andc_i32 || TCG_TARGET_HAS_andc_i64
546         CASE_32_64(andc)
547             tci_args_rrr(insn, &r0, &r1, &r2);
548             regs[r0] = regs[r1] & ~regs[r2];
549             break;
550 #endif
551 #if TCG_TARGET_HAS_orc_i32 || TCG_TARGET_HAS_orc_i64
552         CASE_32_64(orc)
553             tci_args_rrr(insn, &r0, &r1, &r2);
554             regs[r0] = regs[r1] | ~regs[r2];
555             break;
556 #endif
557 #if TCG_TARGET_HAS_eqv_i32 || TCG_TARGET_HAS_eqv_i64
558         CASE_32_64(eqv)
559             tci_args_rrr(insn, &r0, &r1, &r2);
560             regs[r0] = ~(regs[r1] ^ regs[r2]);
561             break;
562 #endif
563 #if TCG_TARGET_HAS_nand_i32 || TCG_TARGET_HAS_nand_i64
564         CASE_32_64(nand)
565             tci_args_rrr(insn, &r0, &r1, &r2);
566             regs[r0] = ~(regs[r1] & regs[r2]);
567             break;
568 #endif
569 #if TCG_TARGET_HAS_nor_i32 || TCG_TARGET_HAS_nor_i64
570         CASE_32_64(nor)
571             tci_args_rrr(insn, &r0, &r1, &r2);
572             regs[r0] = ~(regs[r1] | regs[r2]);
573             break;
574 #endif
575 
576             /* Arithmetic operations (32 bit). */
577 
578         case INDEX_op_div_i32:
579             tci_args_rrr(insn, &r0, &r1, &r2);
580             regs[r0] = (int32_t)regs[r1] / (int32_t)regs[r2];
581             break;
582         case INDEX_op_divu_i32:
583             tci_args_rrr(insn, &r0, &r1, &r2);
584             regs[r0] = (uint32_t)regs[r1] / (uint32_t)regs[r2];
585             break;
586         case INDEX_op_rem_i32:
587             tci_args_rrr(insn, &r0, &r1, &r2);
588             regs[r0] = (int32_t)regs[r1] % (int32_t)regs[r2];
589             break;
590         case INDEX_op_remu_i32:
591             tci_args_rrr(insn, &r0, &r1, &r2);
592             regs[r0] = (uint32_t)regs[r1] % (uint32_t)regs[r2];
593             break;
594 #if TCG_TARGET_HAS_clz_i32
595         case INDEX_op_clz_i32:
596             tci_args_rrr(insn, &r0, &r1, &r2);
597             tmp32 = regs[r1];
598             regs[r0] = tmp32 ? clz32(tmp32) : regs[r2];
599             break;
600 #endif
601 #if TCG_TARGET_HAS_ctz_i32
602         case INDEX_op_ctz_i32:
603             tci_args_rrr(insn, &r0, &r1, &r2);
604             tmp32 = regs[r1];
605             regs[r0] = tmp32 ? ctz32(tmp32) : regs[r2];
606             break;
607 #endif
608 #if TCG_TARGET_HAS_ctpop_i32
609         case INDEX_op_ctpop_i32:
610             tci_args_rr(insn, &r0, &r1);
611             regs[r0] = ctpop32(regs[r1]);
612             break;
613 #endif
614 
615             /* Shift/rotate operations (32 bit). */
616 
617         case INDEX_op_shl_i32:
618             tci_args_rrr(insn, &r0, &r1, &r2);
619             regs[r0] = (uint32_t)regs[r1] << (regs[r2] & 31);
620             break;
621         case INDEX_op_shr_i32:
622             tci_args_rrr(insn, &r0, &r1, &r2);
623             regs[r0] = (uint32_t)regs[r1] >> (regs[r2] & 31);
624             break;
625         case INDEX_op_sar_i32:
626             tci_args_rrr(insn, &r0, &r1, &r2);
627             regs[r0] = (int32_t)regs[r1] >> (regs[r2] & 31);
628             break;
629 #if TCG_TARGET_HAS_rot_i32
630         case INDEX_op_rotl_i32:
631             tci_args_rrr(insn, &r0, &r1, &r2);
632             regs[r0] = rol32(regs[r1], regs[r2] & 31);
633             break;
634         case INDEX_op_rotr_i32:
635             tci_args_rrr(insn, &r0, &r1, &r2);
636             regs[r0] = ror32(regs[r1], regs[r2] & 31);
637             break;
638 #endif
639 #if TCG_TARGET_HAS_deposit_i32
640         case INDEX_op_deposit_i32:
641             tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len);
642             regs[r0] = deposit32(regs[r1], pos, len, regs[r2]);
643             break;
644 #endif
645 #if TCG_TARGET_HAS_extract_i32
646         case INDEX_op_extract_i32:
647             tci_args_rrbb(insn, &r0, &r1, &pos, &len);
648             regs[r0] = extract32(regs[r1], pos, len);
649             break;
650 #endif
651 #if TCG_TARGET_HAS_sextract_i32
652         case INDEX_op_sextract_i32:
653             tci_args_rrbb(insn, &r0, &r1, &pos, &len);
654             regs[r0] = sextract32(regs[r1], pos, len);
655             break;
656 #endif
657         case INDEX_op_brcond_i32:
658             tci_args_rl(insn, tb_ptr, &r0, &ptr);
659             if ((uint32_t)regs[r0]) {
660                 tb_ptr = ptr;
661             }
662             break;
663 #if TCG_TARGET_REG_BITS == 32 || TCG_TARGET_HAS_add2_i32
664         case INDEX_op_add2_i32:
665             tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
666             T1 = tci_uint64(regs[r3], regs[r2]);
667             T2 = tci_uint64(regs[r5], regs[r4]);
668             tci_write_reg64(regs, r1, r0, T1 + T2);
669             break;
670 #endif
671 #if TCG_TARGET_REG_BITS == 32 || TCG_TARGET_HAS_sub2_i32
672         case INDEX_op_sub2_i32:
673             tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
674             T1 = tci_uint64(regs[r3], regs[r2]);
675             T2 = tci_uint64(regs[r5], regs[r4]);
676             tci_write_reg64(regs, r1, r0, T1 - T2);
677             break;
678 #endif
679 #if TCG_TARGET_HAS_mulu2_i32
680         case INDEX_op_mulu2_i32:
681             tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
682             tmp64 = (uint64_t)(uint32_t)regs[r2] * (uint32_t)regs[r3];
683             tci_write_reg64(regs, r1, r0, tmp64);
684             break;
685 #endif
686 #if TCG_TARGET_HAS_muls2_i32
687         case INDEX_op_muls2_i32:
688             tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
689             tmp64 = (int64_t)(int32_t)regs[r2] * (int32_t)regs[r3];
690             tci_write_reg64(regs, r1, r0, tmp64);
691             break;
692 #endif
693 #if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64
694         CASE_32_64(ext8s)
695             tci_args_rr(insn, &r0, &r1);
696             regs[r0] = (int8_t)regs[r1];
697             break;
698 #endif
699 #if TCG_TARGET_HAS_ext16s_i32 || TCG_TARGET_HAS_ext16s_i64 || \
700     TCG_TARGET_HAS_bswap16_i32 || TCG_TARGET_HAS_bswap16_i64
701         CASE_32_64(ext16s)
702             tci_args_rr(insn, &r0, &r1);
703             regs[r0] = (int16_t)regs[r1];
704             break;
705 #endif
706 #if TCG_TARGET_HAS_ext8u_i32 || TCG_TARGET_HAS_ext8u_i64
707         CASE_32_64(ext8u)
708             tci_args_rr(insn, &r0, &r1);
709             regs[r0] = (uint8_t)regs[r1];
710             break;
711 #endif
712 #if TCG_TARGET_HAS_ext16u_i32 || TCG_TARGET_HAS_ext16u_i64
713         CASE_32_64(ext16u)
714             tci_args_rr(insn, &r0, &r1);
715             regs[r0] = (uint16_t)regs[r1];
716             break;
717 #endif
718 #if TCG_TARGET_HAS_bswap16_i32 || TCG_TARGET_HAS_bswap16_i64
719         CASE_32_64(bswap16)
720             tci_args_rr(insn, &r0, &r1);
721             regs[r0] = bswap16(regs[r1]);
722             break;
723 #endif
724 #if TCG_TARGET_HAS_bswap32_i32 || TCG_TARGET_HAS_bswap32_i64
725         CASE_32_64(bswap32)
726             tci_args_rr(insn, &r0, &r1);
727             regs[r0] = bswap32(regs[r1]);
728             break;
729 #endif
730 #if TCG_TARGET_HAS_not_i32 || TCG_TARGET_HAS_not_i64
731         CASE_32_64(not)
732             tci_args_rr(insn, &r0, &r1);
733             regs[r0] = ~regs[r1];
734             break;
735 #endif
736 #if TCG_TARGET_HAS_neg_i32 || TCG_TARGET_HAS_neg_i64
737         CASE_32_64(neg)
738             tci_args_rr(insn, &r0, &r1);
739             regs[r0] = -regs[r1];
740             break;
741 #endif
742 #if TCG_TARGET_REG_BITS == 64
743             /* Load/store operations (64 bit). */
744 
745         case INDEX_op_ld32s_i64:
746             tci_args_rrs(insn, &r0, &r1, &ofs);
747             ptr = (void *)(regs[r1] + ofs);
748             regs[r0] = *(int32_t *)ptr;
749             break;
750         case INDEX_op_ld_i64:
751             tci_args_rrs(insn, &r0, &r1, &ofs);
752             ptr = (void *)(regs[r1] + ofs);
753             regs[r0] = *(uint64_t *)ptr;
754             break;
755         case INDEX_op_st_i64:
756             tci_args_rrs(insn, &r0, &r1, &ofs);
757             ptr = (void *)(regs[r1] + ofs);
758             *(uint64_t *)ptr = regs[r0];
759             break;
760 
761             /* Arithmetic operations (64 bit). */
762 
763         case INDEX_op_div_i64:
764             tci_args_rrr(insn, &r0, &r1, &r2);
765             regs[r0] = (int64_t)regs[r1] / (int64_t)regs[r2];
766             break;
767         case INDEX_op_divu_i64:
768             tci_args_rrr(insn, &r0, &r1, &r2);
769             regs[r0] = (uint64_t)regs[r1] / (uint64_t)regs[r2];
770             break;
771         case INDEX_op_rem_i64:
772             tci_args_rrr(insn, &r0, &r1, &r2);
773             regs[r0] = (int64_t)regs[r1] % (int64_t)regs[r2];
774             break;
775         case INDEX_op_remu_i64:
776             tci_args_rrr(insn, &r0, &r1, &r2);
777             regs[r0] = (uint64_t)regs[r1] % (uint64_t)regs[r2];
778             break;
779 #if TCG_TARGET_HAS_clz_i64
780         case INDEX_op_clz_i64:
781             tci_args_rrr(insn, &r0, &r1, &r2);
782             regs[r0] = regs[r1] ? clz64(regs[r1]) : regs[r2];
783             break;
784 #endif
785 #if TCG_TARGET_HAS_ctz_i64
786         case INDEX_op_ctz_i64:
787             tci_args_rrr(insn, &r0, &r1, &r2);
788             regs[r0] = regs[r1] ? ctz64(regs[r1]) : regs[r2];
789             break;
790 #endif
791 #if TCG_TARGET_HAS_ctpop_i64
792         case INDEX_op_ctpop_i64:
793             tci_args_rr(insn, &r0, &r1);
794             regs[r0] = ctpop64(regs[r1]);
795             break;
796 #endif
797 #if TCG_TARGET_HAS_mulu2_i64
798         case INDEX_op_mulu2_i64:
799             tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
800             mulu64(&regs[r0], &regs[r1], regs[r2], regs[r3]);
801             break;
802 #endif
803 #if TCG_TARGET_HAS_muls2_i64
804         case INDEX_op_muls2_i64:
805             tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
806             muls64(&regs[r0], &regs[r1], regs[r2], regs[r3]);
807             break;
808 #endif
809 #if TCG_TARGET_HAS_add2_i64
810         case INDEX_op_add2_i64:
811             tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
812             T1 = regs[r2] + regs[r4];
813             T2 = regs[r3] + regs[r5] + (T1 < regs[r2]);
814             regs[r0] = T1;
815             regs[r1] = T2;
816             break;
817 #endif
818 #if TCG_TARGET_HAS_add2_i64
819         case INDEX_op_sub2_i64:
820             tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
821             T1 = regs[r2] - regs[r4];
822             T2 = regs[r3] - regs[r5] - (regs[r2] < regs[r4]);
823             regs[r0] = T1;
824             regs[r1] = T2;
825             break;
826 #endif
827 
828             /* Shift/rotate operations (64 bit). */
829 
830         case INDEX_op_shl_i64:
831             tci_args_rrr(insn, &r0, &r1, &r2);
832             regs[r0] = regs[r1] << (regs[r2] & 63);
833             break;
834         case INDEX_op_shr_i64:
835             tci_args_rrr(insn, &r0, &r1, &r2);
836             regs[r0] = regs[r1] >> (regs[r2] & 63);
837             break;
838         case INDEX_op_sar_i64:
839             tci_args_rrr(insn, &r0, &r1, &r2);
840             regs[r0] = (int64_t)regs[r1] >> (regs[r2] & 63);
841             break;
842 #if TCG_TARGET_HAS_rot_i64
843         case INDEX_op_rotl_i64:
844             tci_args_rrr(insn, &r0, &r1, &r2);
845             regs[r0] = rol64(regs[r1], regs[r2] & 63);
846             break;
847         case INDEX_op_rotr_i64:
848             tci_args_rrr(insn, &r0, &r1, &r2);
849             regs[r0] = ror64(regs[r1], regs[r2] & 63);
850             break;
851 #endif
852 #if TCG_TARGET_HAS_deposit_i64
853         case INDEX_op_deposit_i64:
854             tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len);
855             regs[r0] = deposit64(regs[r1], pos, len, regs[r2]);
856             break;
857 #endif
858 #if TCG_TARGET_HAS_extract_i64
859         case INDEX_op_extract_i64:
860             tci_args_rrbb(insn, &r0, &r1, &pos, &len);
861             regs[r0] = extract64(regs[r1], pos, len);
862             break;
863 #endif
864 #if TCG_TARGET_HAS_sextract_i64
865         case INDEX_op_sextract_i64:
866             tci_args_rrbb(insn, &r0, &r1, &pos, &len);
867             regs[r0] = sextract64(regs[r1], pos, len);
868             break;
869 #endif
870         case INDEX_op_brcond_i64:
871             tci_args_rl(insn, tb_ptr, &r0, &ptr);
872             if (regs[r0]) {
873                 tb_ptr = ptr;
874             }
875             break;
876         case INDEX_op_ext32s_i64:
877         case INDEX_op_ext_i32_i64:
878             tci_args_rr(insn, &r0, &r1);
879             regs[r0] = (int32_t)regs[r1];
880             break;
881         case INDEX_op_ext32u_i64:
882         case INDEX_op_extu_i32_i64:
883             tci_args_rr(insn, &r0, &r1);
884             regs[r0] = (uint32_t)regs[r1];
885             break;
886 #if TCG_TARGET_HAS_bswap64_i64
887         case INDEX_op_bswap64_i64:
888             tci_args_rr(insn, &r0, &r1);
889             regs[r0] = bswap64(regs[r1]);
890             break;
891 #endif
892 #endif /* TCG_TARGET_REG_BITS == 64 */
893 
894             /* QEMU specific operations. */
895 
896         case INDEX_op_exit_tb:
897             tci_args_l(insn, tb_ptr, &ptr);
898             return (uintptr_t)ptr;
899 
900         case INDEX_op_goto_tb:
901             tci_args_l(insn, tb_ptr, &ptr);
902             tb_ptr = *(void **)ptr;
903             break;
904 
905         case INDEX_op_goto_ptr:
906             tci_args_r(insn, &r0);
907             ptr = (void *)regs[r0];
908             if (!ptr) {
909                 return 0;
910             }
911             tb_ptr = ptr;
912             break;
913 
914         case INDEX_op_qemu_ld_a32_i32:
915             tci_args_rrm(insn, &r0, &r1, &oi);
916             taddr = (uint32_t)regs[r1];
917             goto do_ld_i32;
918         case INDEX_op_qemu_ld_a64_i32:
919             if (TCG_TARGET_REG_BITS == 64) {
920                 tci_args_rrm(insn, &r0, &r1, &oi);
921                 taddr = regs[r1];
922             } else {
923                 tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
924                 taddr = tci_uint64(regs[r2], regs[r1]);
925                 oi = regs[r3];
926             }
927         do_ld_i32:
928             regs[r0] = tci_qemu_ld(env, taddr, oi, tb_ptr);
929             break;
930 
931         case INDEX_op_qemu_ld_a32_i64:
932             if (TCG_TARGET_REG_BITS == 64) {
933                 tci_args_rrm(insn, &r0, &r1, &oi);
934                 taddr = (uint32_t)regs[r1];
935             } else {
936                 tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
937                 taddr = (uint32_t)regs[r2];
938                 oi = regs[r3];
939             }
940             goto do_ld_i64;
941         case INDEX_op_qemu_ld_a64_i64:
942             if (TCG_TARGET_REG_BITS == 64) {
943                 tci_args_rrm(insn, &r0, &r1, &oi);
944                 taddr = regs[r1];
945             } else {
946                 tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4);
947                 taddr = tci_uint64(regs[r3], regs[r2]);
948                 oi = regs[r4];
949             }
950         do_ld_i64:
951             tmp64 = tci_qemu_ld(env, taddr, oi, tb_ptr);
952             if (TCG_TARGET_REG_BITS == 32) {
953                 tci_write_reg64(regs, r1, r0, tmp64);
954             } else {
955                 regs[r0] = tmp64;
956             }
957             break;
958 
959         case INDEX_op_qemu_st_a32_i32:
960             tci_args_rrm(insn, &r0, &r1, &oi);
961             taddr = (uint32_t)regs[r1];
962             goto do_st_i32;
963         case INDEX_op_qemu_st_a64_i32:
964             if (TCG_TARGET_REG_BITS == 64) {
965                 tci_args_rrm(insn, &r0, &r1, &oi);
966                 taddr = regs[r1];
967             } else {
968                 tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
969                 taddr = tci_uint64(regs[r2], regs[r1]);
970                 oi = regs[r3];
971             }
972         do_st_i32:
973             tci_qemu_st(env, taddr, regs[r0], oi, tb_ptr);
974             break;
975 
976         case INDEX_op_qemu_st_a32_i64:
977             if (TCG_TARGET_REG_BITS == 64) {
978                 tci_args_rrm(insn, &r0, &r1, &oi);
979                 tmp64 = regs[r0];
980                 taddr = (uint32_t)regs[r1];
981             } else {
982                 tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
983                 tmp64 = tci_uint64(regs[r1], regs[r0]);
984                 taddr = (uint32_t)regs[r2];
985                 oi = regs[r3];
986             }
987             goto do_st_i64;
988         case INDEX_op_qemu_st_a64_i64:
989             if (TCG_TARGET_REG_BITS == 64) {
990                 tci_args_rrm(insn, &r0, &r1, &oi);
991                 tmp64 = regs[r0];
992                 taddr = regs[r1];
993             } else {
994                 tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4);
995                 tmp64 = tci_uint64(regs[r1], regs[r0]);
996                 taddr = tci_uint64(regs[r3], regs[r2]);
997                 oi = regs[r4];
998             }
999         do_st_i64:
1000             tci_qemu_st(env, taddr, tmp64, oi, tb_ptr);
1001             break;
1002 
1003         case INDEX_op_mb:
1004             /* Ensure ordering for all kinds */
1005             smp_mb();
1006             break;
1007         default:
1008             g_assert_not_reached();
1009         }
1010     }
1011 }
1012 
1013 /*
1014  * Disassembler that matches the interpreter
1015  */
1016 
1017 static const char *str_r(TCGReg r)
1018 {
1019     static const char regs[TCG_TARGET_NB_REGS][4] = {
1020         "r0", "r1", "r2",  "r3",  "r4",  "r5",  "r6",  "r7",
1021         "r8", "r9", "r10", "r11", "r12", "r13", "env", "sp"
1022     };
1023 
1024     QEMU_BUILD_BUG_ON(TCG_AREG0 != TCG_REG_R14);
1025     QEMU_BUILD_BUG_ON(TCG_REG_CALL_STACK != TCG_REG_R15);
1026 
1027     assert((unsigned)r < TCG_TARGET_NB_REGS);
1028     return regs[r];
1029 }
1030 
1031 static const char *str_c(TCGCond c)
1032 {
1033     static const char cond[16][8] = {
1034         [TCG_COND_NEVER] = "never",
1035         [TCG_COND_ALWAYS] = "always",
1036         [TCG_COND_EQ] = "eq",
1037         [TCG_COND_NE] = "ne",
1038         [TCG_COND_LT] = "lt",
1039         [TCG_COND_GE] = "ge",
1040         [TCG_COND_LE] = "le",
1041         [TCG_COND_GT] = "gt",
1042         [TCG_COND_LTU] = "ltu",
1043         [TCG_COND_GEU] = "geu",
1044         [TCG_COND_LEU] = "leu",
1045         [TCG_COND_GTU] = "gtu",
1046     };
1047 
1048     assert((unsigned)c < ARRAY_SIZE(cond));
1049     assert(cond[c][0] != 0);
1050     return cond[c];
1051 }
1052 
1053 /* Disassemble TCI bytecode. */
1054 int print_insn_tci(bfd_vma addr, disassemble_info *info)
1055 {
1056     const uint32_t *tb_ptr = (const void *)(uintptr_t)addr;
1057     const TCGOpDef *def;
1058     const char *op_name;
1059     uint32_t insn;
1060     TCGOpcode op;
1061     TCGReg r0, r1, r2, r3, r4, r5;
1062     tcg_target_ulong i1;
1063     int32_t s2;
1064     TCGCond c;
1065     MemOpIdx oi;
1066     uint8_t pos, len;
1067     void *ptr;
1068 
1069     /* TCI is always the host, so we don't need to load indirect. */
1070     insn = *tb_ptr++;
1071 
1072     info->fprintf_func(info->stream, "%08x  ", insn);
1073 
1074     op = extract32(insn, 0, 8);
1075     def = &tcg_op_defs[op];
1076     op_name = def->name;
1077 
1078     switch (op) {
1079     case INDEX_op_br:
1080     case INDEX_op_exit_tb:
1081     case INDEX_op_goto_tb:
1082         tci_args_l(insn, tb_ptr, &ptr);
1083         info->fprintf_func(info->stream, "%-12s  %p", op_name, ptr);
1084         break;
1085 
1086     case INDEX_op_goto_ptr:
1087         tci_args_r(insn, &r0);
1088         info->fprintf_func(info->stream, "%-12s  %s", op_name, str_r(r0));
1089         break;
1090 
1091     case INDEX_op_call:
1092         tci_args_nl(insn, tb_ptr, &len, &ptr);
1093         info->fprintf_func(info->stream, "%-12s  %d, %p", op_name, len, ptr);
1094         break;
1095 
1096     case INDEX_op_brcond_i32:
1097     case INDEX_op_brcond_i64:
1098         tci_args_rl(insn, tb_ptr, &r0, &ptr);
1099         info->fprintf_func(info->stream, "%-12s  %s, 0, ne, %p",
1100                            op_name, str_r(r0), ptr);
1101         break;
1102 
1103     case INDEX_op_setcond_i32:
1104     case INDEX_op_setcond_i64:
1105         tci_args_rrrc(insn, &r0, &r1, &r2, &c);
1106         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s",
1107                            op_name, str_r(r0), str_r(r1), str_r(r2), str_c(c));
1108         break;
1109 
1110     case INDEX_op_tci_movi:
1111         tci_args_ri(insn, &r0, &i1);
1112         info->fprintf_func(info->stream, "%-12s  %s, 0x%" TCG_PRIlx,
1113                            op_name, str_r(r0), i1);
1114         break;
1115 
1116     case INDEX_op_tci_movl:
1117         tci_args_rl(insn, tb_ptr, &r0, &ptr);
1118         info->fprintf_func(info->stream, "%-12s  %s, %p",
1119                            op_name, str_r(r0), ptr);
1120         break;
1121 
1122     case INDEX_op_ld8u_i32:
1123     case INDEX_op_ld8u_i64:
1124     case INDEX_op_ld8s_i32:
1125     case INDEX_op_ld8s_i64:
1126     case INDEX_op_ld16u_i32:
1127     case INDEX_op_ld16u_i64:
1128     case INDEX_op_ld16s_i32:
1129     case INDEX_op_ld16s_i64:
1130     case INDEX_op_ld32u_i64:
1131     case INDEX_op_ld32s_i64:
1132     case INDEX_op_ld_i32:
1133     case INDEX_op_ld_i64:
1134     case INDEX_op_st8_i32:
1135     case INDEX_op_st8_i64:
1136     case INDEX_op_st16_i32:
1137     case INDEX_op_st16_i64:
1138     case INDEX_op_st32_i64:
1139     case INDEX_op_st_i32:
1140     case INDEX_op_st_i64:
1141         tci_args_rrs(insn, &r0, &r1, &s2);
1142         info->fprintf_func(info->stream, "%-12s  %s, %s, %d",
1143                            op_name, str_r(r0), str_r(r1), s2);
1144         break;
1145 
1146     case INDEX_op_mov_i32:
1147     case INDEX_op_mov_i64:
1148     case INDEX_op_ext8s_i32:
1149     case INDEX_op_ext8s_i64:
1150     case INDEX_op_ext8u_i32:
1151     case INDEX_op_ext8u_i64:
1152     case INDEX_op_ext16s_i32:
1153     case INDEX_op_ext16s_i64:
1154     case INDEX_op_ext16u_i32:
1155     case INDEX_op_ext32s_i64:
1156     case INDEX_op_ext32u_i64:
1157     case INDEX_op_ext_i32_i64:
1158     case INDEX_op_extu_i32_i64:
1159     case INDEX_op_bswap16_i32:
1160     case INDEX_op_bswap16_i64:
1161     case INDEX_op_bswap32_i32:
1162     case INDEX_op_bswap32_i64:
1163     case INDEX_op_bswap64_i64:
1164     case INDEX_op_not_i32:
1165     case INDEX_op_not_i64:
1166     case INDEX_op_neg_i32:
1167     case INDEX_op_neg_i64:
1168     case INDEX_op_ctpop_i32:
1169     case INDEX_op_ctpop_i64:
1170         tci_args_rr(insn, &r0, &r1);
1171         info->fprintf_func(info->stream, "%-12s  %s, %s",
1172                            op_name, str_r(r0), str_r(r1));
1173         break;
1174 
1175     case INDEX_op_add_i32:
1176     case INDEX_op_add_i64:
1177     case INDEX_op_sub_i32:
1178     case INDEX_op_sub_i64:
1179     case INDEX_op_mul_i32:
1180     case INDEX_op_mul_i64:
1181     case INDEX_op_and_i32:
1182     case INDEX_op_and_i64:
1183     case INDEX_op_or_i32:
1184     case INDEX_op_or_i64:
1185     case INDEX_op_xor_i32:
1186     case INDEX_op_xor_i64:
1187     case INDEX_op_andc_i32:
1188     case INDEX_op_andc_i64:
1189     case INDEX_op_orc_i32:
1190     case INDEX_op_orc_i64:
1191     case INDEX_op_eqv_i32:
1192     case INDEX_op_eqv_i64:
1193     case INDEX_op_nand_i32:
1194     case INDEX_op_nand_i64:
1195     case INDEX_op_nor_i32:
1196     case INDEX_op_nor_i64:
1197     case INDEX_op_div_i32:
1198     case INDEX_op_div_i64:
1199     case INDEX_op_rem_i32:
1200     case INDEX_op_rem_i64:
1201     case INDEX_op_divu_i32:
1202     case INDEX_op_divu_i64:
1203     case INDEX_op_remu_i32:
1204     case INDEX_op_remu_i64:
1205     case INDEX_op_shl_i32:
1206     case INDEX_op_shl_i64:
1207     case INDEX_op_shr_i32:
1208     case INDEX_op_shr_i64:
1209     case INDEX_op_sar_i32:
1210     case INDEX_op_sar_i64:
1211     case INDEX_op_rotl_i32:
1212     case INDEX_op_rotl_i64:
1213     case INDEX_op_rotr_i32:
1214     case INDEX_op_rotr_i64:
1215     case INDEX_op_clz_i32:
1216     case INDEX_op_clz_i64:
1217     case INDEX_op_ctz_i32:
1218     case INDEX_op_ctz_i64:
1219         tci_args_rrr(insn, &r0, &r1, &r2);
1220         info->fprintf_func(info->stream, "%-12s  %s, %s, %s",
1221                            op_name, str_r(r0), str_r(r1), str_r(r2));
1222         break;
1223 
1224     case INDEX_op_deposit_i32:
1225     case INDEX_op_deposit_i64:
1226         tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len);
1227         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %d, %d",
1228                            op_name, str_r(r0), str_r(r1), str_r(r2), pos, len);
1229         break;
1230 
1231     case INDEX_op_extract_i32:
1232     case INDEX_op_extract_i64:
1233     case INDEX_op_sextract_i32:
1234     case INDEX_op_sextract_i64:
1235         tci_args_rrbb(insn, &r0, &r1, &pos, &len);
1236         info->fprintf_func(info->stream, "%-12s  %s,%s,%d,%d",
1237                            op_name, str_r(r0), str_r(r1), pos, len);
1238         break;
1239 
1240     case INDEX_op_movcond_i32:
1241     case INDEX_op_movcond_i64:
1242     case INDEX_op_setcond2_i32:
1243         tci_args_rrrrrc(insn, &r0, &r1, &r2, &r3, &r4, &c);
1244         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s, %s, %s",
1245                            op_name, str_r(r0), str_r(r1), str_r(r2),
1246                            str_r(r3), str_r(r4), str_c(c));
1247         break;
1248 
1249     case INDEX_op_mulu2_i32:
1250     case INDEX_op_mulu2_i64:
1251     case INDEX_op_muls2_i32:
1252     case INDEX_op_muls2_i64:
1253         tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
1254         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s",
1255                            op_name, str_r(r0), str_r(r1),
1256                            str_r(r2), str_r(r3));
1257         break;
1258 
1259     case INDEX_op_add2_i32:
1260     case INDEX_op_add2_i64:
1261     case INDEX_op_sub2_i32:
1262     case INDEX_op_sub2_i64:
1263         tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5);
1264         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s, %s, %s",
1265                            op_name, str_r(r0), str_r(r1), str_r(r2),
1266                            str_r(r3), str_r(r4), str_r(r5));
1267         break;
1268 
1269     case INDEX_op_qemu_ld_a32_i32:
1270     case INDEX_op_qemu_st_a32_i32:
1271         len = 1 + 1;
1272         goto do_qemu_ldst;
1273     case INDEX_op_qemu_ld_a32_i64:
1274     case INDEX_op_qemu_st_a32_i64:
1275     case INDEX_op_qemu_ld_a64_i32:
1276     case INDEX_op_qemu_st_a64_i32:
1277         len = 1 + DIV_ROUND_UP(64, TCG_TARGET_REG_BITS);
1278         goto do_qemu_ldst;
1279     case INDEX_op_qemu_ld_a64_i64:
1280     case INDEX_op_qemu_st_a64_i64:
1281         len = 2 * DIV_ROUND_UP(64, TCG_TARGET_REG_BITS);
1282         goto do_qemu_ldst;
1283     do_qemu_ldst:
1284         switch (len) {
1285         case 2:
1286             tci_args_rrm(insn, &r0, &r1, &oi);
1287             info->fprintf_func(info->stream, "%-12s  %s, %s, %x",
1288                                op_name, str_r(r0), str_r(r1), oi);
1289             break;
1290         case 3:
1291             tci_args_rrrr(insn, &r0, &r1, &r2, &r3);
1292             info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s",
1293                                op_name, str_r(r0), str_r(r1),
1294                                str_r(r2), str_r(r3));
1295             break;
1296         case 4:
1297             tci_args_rrrrr(insn, &r0, &r1, &r2, &r3, &r4);
1298             info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s, %s",
1299                                op_name, str_r(r0), str_r(r1),
1300                                str_r(r2), str_r(r3), str_r(r4));
1301             break;
1302         default:
1303             g_assert_not_reached();
1304         }
1305         break;
1306 
1307     case 0:
1308         /* tcg_out_nop_fill uses zeros */
1309         if (insn == 0) {
1310             info->fprintf_func(info->stream, "align");
1311             break;
1312         }
1313         /* fall through */
1314 
1315     default:
1316         info->fprintf_func(info->stream, "illegal opcode %d", op);
1317         break;
1318     }
1319 
1320     return sizeof(insn);
1321 }
1322