2 * Tiny Code Generator for QEMU
4 * Copyright (c) 2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 static uint8_t *tb_ret_addr;
28 #define LINKAGE_AREA_SIZE 24
30 #elif defined _CALL_AIX
31 #define LINKAGE_AREA_SIZE 52
34 #define LINKAGE_AREA_SIZE 8
39 #if TARGET_PHYS_ADDR_BITS <= 32
40 #define ADDEND_OFFSET 0
42 #define ADDEND_OFFSET 4
49 #ifdef CONFIG_USE_GUEST_BASE
50 #define TCG_GUEST_BASE_REG 30
52 #define TCG_GUEST_BASE_REG 0
56 static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
92 static const int tcg_target_reg_alloc_order[] = {
131 static const int tcg_target_call_iarg_regs[] = {
142 static const int tcg_target_call_oarg_regs[2] = {
147 static const int tcg_target_callee_save_regs[] = {
168 /* TCG_REG_R27, */ /* currently used for the global env, so no
176 static uint32_t reloc_pc24_val (void *pc, tcg_target_long target)
178 tcg_target_long disp;
180 disp = target - (tcg_target_long) pc;
181 if ((disp << 6) >> 6 != disp)
184 return disp & 0x3fffffc;
187 static void reloc_pc24 (void *pc, tcg_target_long target)
189 *(uint32_t *) pc = (*(uint32_t *) pc & ~0x3fffffc)
190 | reloc_pc24_val (pc, target);
193 static uint16_t reloc_pc14_val (void *pc, tcg_target_long target)
195 tcg_target_long disp;
197 disp = target - (tcg_target_long) pc;
198 if (disp != (int16_t) disp)
201 return disp & 0xfffc;
204 static void reloc_pc14 (void *pc, tcg_target_long target)
206 *(uint32_t *) pc = (*(uint32_t *) pc & ~0xfffc)
207 | reloc_pc14_val (pc, target);
210 static void patch_reloc(uint8_t *code_ptr, int type,
211 tcg_target_long value, tcg_target_long addend)
216 reloc_pc14 (code_ptr, value);
219 reloc_pc24 (code_ptr, value);
226 /* maximum number of register used for input function arguments */
227 static int tcg_target_get_call_iarg_regs_count(int flags)
229 return ARRAY_SIZE (tcg_target_call_iarg_regs);
232 /* parse target specific constraints */
233 static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
239 case 'A': case 'B': case 'C': case 'D':
240 ct->ct |= TCG_CT_REG;
241 tcg_regset_set_reg(ct->u.regs, 3 + ct_str[0] - 'A');
244 ct->ct |= TCG_CT_REG;
245 tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
247 #ifdef CONFIG_SOFTMMU
248 case 'L': /* qemu_ld constraint */
249 ct->ct |= TCG_CT_REG;
250 tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
251 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
252 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4);
254 case 'K': /* qemu_st[8..32] constraint */
255 ct->ct |= TCG_CT_REG;
256 tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
257 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
258 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4);
259 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5);
260 #if TARGET_LONG_BITS == 64
261 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6);
264 case 'M': /* qemu_st64 constraint */
265 ct->ct |= TCG_CT_REG;
266 tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
267 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
268 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4);
269 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5);
270 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6);
271 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R7);
276 ct->ct |= TCG_CT_REG;
277 tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
280 ct->ct |= TCG_CT_REG;
281 tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
282 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
293 /* test if a constant matches the constraint */
294 static int tcg_target_const_match(tcg_target_long val,
295 const TCGArgConstraint *arg_ct)
300 if (ct & TCG_CT_CONST)
305 #define OPCD(opc) ((opc)<<26)
306 #define XO31(opc) (OPCD(31)|((opc)<<1))
307 #define XO19(opc) (OPCD(19)|((opc)<<1))
319 #define ADDIC OPCD(12)
320 #define ADDI OPCD(14)
321 #define ADDIS OPCD(15)
323 #define ORIS OPCD(25)
324 #define XORI OPCD(26)
325 #define XORIS OPCD(27)
326 #define ANDI OPCD(28)
327 #define ANDIS OPCD(29)
328 #define MULLI OPCD( 7)
329 #define CMPLI OPCD(10)
330 #define CMPI OPCD(11)
332 #define LWZU OPCD(33)
333 #define STWU OPCD(37)
335 #define RLWINM OPCD(21)
336 #define RLWNM OPCD(23)
338 #define BCLR XO19( 16)
339 #define BCCTR XO19(528)
340 #define CRAND XO19(257)
341 #define CRANDC XO19(129)
342 #define CRNAND XO19(225)
343 #define CROR XO19(449)
344 #define CRNOR XO19( 33)
346 #define EXTSB XO31(954)
347 #define EXTSH XO31(922)
348 #define ADD XO31(266)
349 #define ADDE XO31(138)
350 #define ADDC XO31( 10)
351 #define AND XO31( 28)
352 #define SUBF XO31( 40)
353 #define SUBFC XO31( 8)
354 #define SUBFE XO31(136)
356 #define XOR XO31(316)
357 #define MULLW XO31(235)
358 #define MULHWU XO31( 11)
359 #define DIVW XO31(491)
360 #define DIVWU XO31(459)
362 #define CMPL XO31( 32)
363 #define LHBRX XO31(790)
364 #define LWBRX XO31(534)
365 #define STHBRX XO31(918)
366 #define STWBRX XO31(662)
367 #define MFSPR XO31(339)
368 #define MTSPR XO31(467)
369 #define SRAWI XO31(824)
370 #define NEG XO31(104)
371 #define MFCR XO31( 19)
372 #define CNTLZW XO31( 26)
373 #define NOR XO31(124)
374 #define ANDC XO31( 60)
375 #define ORC XO31(412)
377 #define LBZX XO31( 87)
378 #define LHZX XO31(279)
379 #define LHAX XO31(343)
380 #define LWZX XO31( 23)
381 #define STBX XO31(215)
382 #define STHX XO31(407)
383 #define STWX XO31(151)
385 #define SPR(a,b) ((((a)<<5)|(b))<<11)
387 #define CTR SPR(9, 0)
389 #define SLW XO31( 24)
390 #define SRW XO31(536)
391 #define SRAW XO31(792)
394 #define TRAP (TW | TO (31))
396 #define RT(r) ((r)<<21)
397 #define RS(r) ((r)<<21)
398 #define RA(r) ((r)<<16)
399 #define RB(r) ((r)<<11)
400 #define TO(t) ((t)<<21)
401 #define SH(s) ((s)<<11)
402 #define MB(b) ((b)<<6)
403 #define ME(e) ((e)<<1)
404 #define BO(o) ((o)<<21)
408 #define TAB(t,a,b) (RT(t) | RA(a) | RB(b))
409 #define SAB(s,a,b) (RS(s) | RA(a) | RB(b))
411 #define BF(n) ((n)<<23)
412 #define BI(n, c) (((c)+((n)*4))<<16)
413 #define BT(n, c) (((c)+((n)*4))<<21)
414 #define BA(n, c) (((c)+((n)*4))<<16)
415 #define BB(n, c) (((c)+((n)*4))<<11)
417 #define BO_COND_TRUE BO (12)
418 #define BO_COND_FALSE BO (4)
419 #define BO_ALWAYS BO (20)
428 static const uint32_t tcg_to_bc[10] = {
429 [TCG_COND_EQ] = BC | BI (7, CR_EQ) | BO_COND_TRUE,
430 [TCG_COND_NE] = BC | BI (7, CR_EQ) | BO_COND_FALSE,
431 [TCG_COND_LT] = BC | BI (7, CR_LT) | BO_COND_TRUE,
432 [TCG_COND_GE] = BC | BI (7, CR_LT) | BO_COND_FALSE,
433 [TCG_COND_LE] = BC | BI (7, CR_GT) | BO_COND_FALSE,
434 [TCG_COND_GT] = BC | BI (7, CR_GT) | BO_COND_TRUE,
435 [TCG_COND_LTU] = BC | BI (7, CR_LT) | BO_COND_TRUE,
436 [TCG_COND_GEU] = BC | BI (7, CR_LT) | BO_COND_FALSE,
437 [TCG_COND_LEU] = BC | BI (7, CR_GT) | BO_COND_FALSE,
438 [TCG_COND_GTU] = BC | BI (7, CR_GT) | BO_COND_TRUE,
441 static void tcg_out_mov(TCGContext *s, int ret, int arg)
443 tcg_out32 (s, OR | SAB (arg, ret, arg));
446 static void tcg_out_movi(TCGContext *s, TCGType type,
447 int ret, tcg_target_long arg)
449 if (arg == (int16_t) arg)
450 tcg_out32 (s, ADDI | RT (ret) | RA (0) | (arg & 0xffff));
452 tcg_out32 (s, ADDIS | RT (ret) | RA (0) | ((arg >> 16) & 0xffff));
454 tcg_out32 (s, ORI | RS (ret) | RA (ret) | (arg & 0xffff));
458 static void tcg_out_ldst (TCGContext *s, int ret, int addr,
459 int offset, int op1, int op2)
461 if (offset == (int16_t) offset)
462 tcg_out32 (s, op1 | RT (ret) | RA (addr) | (offset & 0xffff));
464 tcg_out_movi (s, TCG_TYPE_I32, 0, offset);
465 tcg_out32 (s, op2 | RT (ret) | RA (addr) | RB (0));
469 static void tcg_out_b (TCGContext *s, int mask, tcg_target_long target)
471 tcg_target_long disp;
473 disp = target - (tcg_target_long) s->code_ptr;
474 if ((disp << 6) >> 6 == disp)
475 tcg_out32 (s, B | (disp & 0x3fffffc) | mask);
477 tcg_out_movi (s, TCG_TYPE_I32, 0, (tcg_target_long) target);
478 tcg_out32 (s, MTSPR | RS (0) | CTR);
479 tcg_out32 (s, BCCTR | BO_ALWAYS | mask);
483 static void tcg_out_call (TCGContext *s, tcg_target_long arg, int const_arg)
490 tcg_out_movi (s, TCG_TYPE_I32, reg, arg);
494 tcg_out32 (s, LWZ | RT (0) | RA (reg));
495 tcg_out32 (s, MTSPR | RA (0) | CTR);
496 tcg_out32 (s, LWZ | RT (2) | RA (reg) | 4);
497 tcg_out32 (s, BCCTR | BO_ALWAYS | LK);
500 tcg_out_b (s, LK, arg);
503 tcg_out32 (s, MTSPR | RS (arg) | LR);
504 tcg_out32 (s, BCLR | BO_ALWAYS | LK);
509 #if defined(CONFIG_SOFTMMU)
511 #include "../../softmmu_defs.h"
513 static void *qemu_ld_helpers[4] = {
520 static void *qemu_st_helpers[4] = {
528 static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
530 int addr_reg, data_reg, data_reg2, r0, r1, rbase, mem_index, s_bits, bswap;
531 #ifdef CONFIG_SOFTMMU
533 void *label1_ptr, *label2_ptr;
535 #if TARGET_LONG_BITS == 64
545 #if TARGET_LONG_BITS == 64
551 #ifdef CONFIG_SOFTMMU
557 tcg_out32 (s, (RLWINM
560 | SH (32 - (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS))
561 | MB (32 - (CPU_TLB_BITS + CPU_TLB_ENTRY_BITS))
562 | ME (31 - CPU_TLB_ENTRY_BITS)
565 tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (TCG_AREG0));
569 | offsetof (CPUState, tlb_table[mem_index][0].addr_read)
572 tcg_out32 (s, (RLWINM
576 | MB ((32 - s_bits) & 31)
577 | ME (31 - TARGET_PAGE_BITS)
581 tcg_out32 (s, CMP | BF (7) | RA (r2) | RB (r1));
582 #if TARGET_LONG_BITS == 64
583 tcg_out32 (s, LWZ | RT (r1) | RA (r0) | 4);
584 tcg_out32 (s, CMP | BF (6) | RA (addr_reg2) | RB (r1));
585 tcg_out32 (s, CRAND | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ));
588 label1_ptr = s->code_ptr;
590 tcg_out32 (s, BC | BI (7, CR_EQ) | BO_COND_TRUE);
594 #if TARGET_LONG_BITS == 32
595 tcg_out_mov (s, 3, addr_reg);
596 tcg_out_movi (s, TCG_TYPE_I32, 4, mem_index);
598 tcg_out_mov (s, 3, addr_reg2);
599 tcg_out_mov (s, 4, addr_reg);
600 tcg_out_movi (s, TCG_TYPE_I32, 5, mem_index);
603 tcg_out_call (s, (tcg_target_long) qemu_ld_helpers[s_bits], 1);
606 tcg_out32 (s, EXTSB | RA (data_reg) | RS (3));
609 tcg_out32 (s, EXTSH | RA (data_reg) | RS (3));
615 tcg_out_mov (s, data_reg, 3);
619 if (data_reg2 == 4) {
620 tcg_out_mov (s, 0, 4);
621 tcg_out_mov (s, 4, 3);
622 tcg_out_mov (s, 3, 0);
625 tcg_out_mov (s, data_reg2, 3);
626 tcg_out_mov (s, 3, 4);
630 if (data_reg != 4) tcg_out_mov (s, data_reg, 4);
631 if (data_reg2 != 3) tcg_out_mov (s, data_reg2, 3);
635 label2_ptr = s->code_ptr;
638 /* label1: fast path */
640 reloc_pc14 (label1_ptr, (tcg_target_long) s->code_ptr);
643 /* r0 now contains &env->tlb_table[mem_index][index].addr_read */
647 | (ADDEND_OFFSET + offsetof (CPUTLBEntry, addend)
648 - offsetof (CPUTLBEntry, addr_read))
650 /* r0 = env->tlb_table[mem_index][index].addend */
651 tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (addr_reg));
652 /* r0 = env->tlb_table[mem_index][index].addend + addr */
654 #else /* !CONFIG_SOFTMMU */
657 rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0;
660 #ifdef TARGET_WORDS_BIGENDIAN
669 tcg_out32 (s, LBZX | TAB (data_reg, rbase, r0));
672 tcg_out32 (s, LBZX | TAB (data_reg, rbase, r0));
673 tcg_out32 (s, EXTSB | RA (data_reg) | RS (data_reg));
677 tcg_out32 (s, LHBRX | TAB (data_reg, rbase, r0));
679 tcg_out32 (s, LHZX | TAB (data_reg, rbase, r0));
683 tcg_out32 (s, LHBRX | TAB (data_reg, rbase, r0));
684 tcg_out32 (s, EXTSH | RA (data_reg) | RS (data_reg));
686 else tcg_out32 (s, LHAX | TAB (data_reg, rbase, r0));
690 tcg_out32 (s, LWBRX | TAB (data_reg, rbase, r0));
692 tcg_out32 (s, LWZX | TAB (data_reg, rbase, r0));
696 tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4);
697 tcg_out32 (s, LWBRX | TAB (data_reg, rbase, r0));
698 tcg_out32 (s, LWBRX | TAB (data_reg2, rbase, r1));
701 #ifdef CONFIG_USE_GUEST_BASE
702 tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4);
703 tcg_out32 (s, LWZX | TAB (data_reg2, rbase, r0));
704 tcg_out32 (s, LWZX | TAB (data_reg, rbase, r1));
706 if (r0 == data_reg2) {
707 tcg_out32 (s, LWZ | RT (0) | RA (r0));
708 tcg_out32 (s, LWZ | RT (data_reg) | RA (r0) | 4);
709 tcg_out_mov (s, data_reg2, 0);
712 tcg_out32 (s, LWZ | RT (data_reg2) | RA (r0));
713 tcg_out32 (s, LWZ | RT (data_reg) | RA (r0) | 4);
720 #ifdef CONFIG_SOFTMMU
721 reloc_pc24 (label2_ptr, (tcg_target_long) s->code_ptr);
725 static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
727 int addr_reg, r0, r1, data_reg, data_reg2, mem_index, bswap, rbase;
728 #ifdef CONFIG_SOFTMMU
730 void *label1_ptr, *label2_ptr;
732 #if TARGET_LONG_BITS == 64
742 #if TARGET_LONG_BITS == 64
747 #ifdef CONFIG_SOFTMMU
753 tcg_out32 (s, (RLWINM
756 | SH (32 - (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS))
757 | MB (32 - (CPU_TLB_ENTRY_BITS + CPU_TLB_BITS))
758 | ME (31 - CPU_TLB_ENTRY_BITS)
761 tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (TCG_AREG0));
765 | offsetof (CPUState, tlb_table[mem_index][0].addr_write)
768 tcg_out32 (s, (RLWINM
772 | MB ((32 - opc) & 31)
773 | ME (31 - TARGET_PAGE_BITS)
777 tcg_out32 (s, CMP | (7 << 23) | RA (r2) | RB (r1));
778 #if TARGET_LONG_BITS == 64
779 tcg_out32 (s, LWZ | RT (r1) | RA (r0) | 4);
780 tcg_out32 (s, CMP | BF (6) | RA (addr_reg2) | RB (r1));
781 tcg_out32 (s, CRAND | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ));
784 label1_ptr = s->code_ptr;
786 tcg_out32 (s, BC | BI (7, CR_EQ) | BO_COND_TRUE);
790 #if TARGET_LONG_BITS == 32
791 tcg_out_mov (s, 3, addr_reg);
794 tcg_out_mov (s, 3, addr_reg2);
795 tcg_out_mov (s, 4, addr_reg);
796 #ifdef TCG_TARGET_CALL_ALIGN_ARGS
805 tcg_out32 (s, (RLWINM
813 tcg_out32 (s, (RLWINM
821 tcg_out_mov (s, ir, data_reg);
824 #ifdef TCG_TARGET_CALL_ALIGN_ARGS
827 tcg_out_mov (s, ir++, data_reg2);
828 tcg_out_mov (s, ir, data_reg);
833 tcg_out_movi (s, TCG_TYPE_I32, ir, mem_index);
834 tcg_out_call (s, (tcg_target_long) qemu_st_helpers[opc], 1);
835 label2_ptr = s->code_ptr;
838 /* label1: fast path */
840 reloc_pc14 (label1_ptr, (tcg_target_long) s->code_ptr);
846 | (ADDEND_OFFSET + offsetof (CPUTLBEntry, addend)
847 - offsetof (CPUTLBEntry, addr_write))
849 /* r0 = env->tlb_table[mem_index][index].addend */
850 tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (addr_reg));
851 /* r0 = env->tlb_table[mem_index][index].addend + addr */
853 #else /* !CONFIG_SOFTMMU */
856 rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0;
859 #ifdef TARGET_WORDS_BIGENDIAN
866 tcg_out32 (s, STBX | SAB (data_reg, rbase, r0));
870 tcg_out32 (s, STHBRX | SAB (data_reg, rbase, r0));
872 tcg_out32 (s, STHX | SAB (data_reg, rbase, r0));
876 tcg_out32 (s, STWBRX | SAB (data_reg, rbase, r0));
878 tcg_out32 (s, STWX | SAB (data_reg, rbase, r0));
882 tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4);
883 tcg_out32 (s, STWBRX | SAB (data_reg, rbase, r0));
884 tcg_out32 (s, STWBRX | SAB (data_reg2, rbase, r1));
887 #ifdef CONFIG_USE_GUEST_BASE
888 tcg_out32 (s, STWX | SAB (data_reg2, rbase, r0));
889 tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4);
890 tcg_out32 (s, STWX | SAB (data_reg, rbase, r1));
892 tcg_out32 (s, STW | RS (data_reg2) | RA (r0));
893 tcg_out32 (s, STW | RS (data_reg) | RA (r0) | 4);
899 #ifdef CONFIG_SOFTMMU
900 reloc_pc24 (label2_ptr, (tcg_target_long) s->code_ptr);
904 void tcg_target_qemu_prologue (TCGContext *s)
910 + TCG_STATIC_CALL_ARGS_SIZE
911 + ARRAY_SIZE (tcg_target_callee_save_regs) * 4
913 frame_size = (frame_size + 15) & ~15;
919 /* First emit adhoc function descriptor */
920 addr = (uint32_t) s->code_ptr + 12;
921 tcg_out32 (s, addr); /* entry point */
922 s->code_ptr += 8; /* skip TOC and environment pointer */
925 tcg_out32 (s, MFSPR | RT (0) | LR);
926 tcg_out32 (s, STWU | RS (1) | RA (1) | (-frame_size & 0xffff));
927 for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i)
929 | RS (tcg_target_callee_save_regs[i])
931 | (i * 4 + LINKAGE_AREA_SIZE + TCG_STATIC_CALL_ARGS_SIZE)
934 tcg_out32 (s, STW | RS (0) | RA (1) | (frame_size + LR_OFFSET));
936 #ifdef CONFIG_USE_GUEST_BASE
937 tcg_out_movi (s, TCG_TYPE_I32, TCG_GUEST_BASE_REG, GUEST_BASE);
940 tcg_out32 (s, MTSPR | RS (3) | CTR);
941 tcg_out32 (s, BCCTR | BO_ALWAYS);
942 tb_ret_addr = s->code_ptr;
944 for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i)
946 | RT (tcg_target_callee_save_regs[i])
948 | (i * 4 + LINKAGE_AREA_SIZE + TCG_STATIC_CALL_ARGS_SIZE)
951 tcg_out32 (s, LWZ | RT (0) | RA (1) | (frame_size + LR_OFFSET));
952 tcg_out32 (s, MTSPR | RS (0) | LR);
953 tcg_out32 (s, ADDI | RT (1) | RA (1) | frame_size);
954 tcg_out32 (s, BCLR | BO_ALWAYS);
957 static void tcg_out_ld (TCGContext *s, TCGType type, int ret, int arg1,
958 tcg_target_long arg2)
960 tcg_out_ldst (s, ret, arg1, arg2, LWZ, LWZX);
963 static void tcg_out_st (TCGContext *s, TCGType type, int arg, int arg1,
964 tcg_target_long arg2)
966 tcg_out_ldst (s, arg, arg1, arg2, STW, STWX);
969 static void ppc_addi (TCGContext *s, int rt, int ra, tcg_target_long si)
974 if (si == (int16_t) si)
975 tcg_out32 (s, ADDI | RT (rt) | RA (ra) | (si & 0xffff));
977 uint16_t h = ((si >> 16) & 0xffff) + ((uint16_t) si >> 15);
978 tcg_out32 (s, ADDIS | RT (rt) | RA (ra) | h);
979 tcg_out32 (s, ADDI | RT (rt) | RA (rt) | (si & 0xffff));
983 static void tcg_out_addi(TCGContext *s, int reg, tcg_target_long val)
985 ppc_addi (s, reg, reg, val);
988 static void tcg_out_cmp (TCGContext *s, int cond, TCGArg arg1, TCGArg arg2,
989 int const_arg2, int cr)
998 if ((int16_t) arg2 == arg2) {
1003 else if ((uint16_t) arg2 == arg2) {
1018 if ((int16_t) arg2 == arg2) {
1033 if ((uint16_t) arg2 == arg2) {
1049 tcg_out32 (s, op | RA (arg1) | (arg2 & 0xffff));
1052 tcg_out_movi (s, TCG_TYPE_I32, 0, arg2);
1053 tcg_out32 (s, op | RA (arg1) | RB (0));
1056 tcg_out32 (s, op | RA (arg1) | RB (arg2));
1061 static void tcg_out_bc (TCGContext *s, int bc, int label_index)
1063 TCGLabel *l = &s->labels[label_index];
1066 tcg_out32 (s, bc | reloc_pc14_val (s->code_ptr, l->u.value));
1068 uint16_t val = *(uint16_t *) &s->code_ptr[2];
1070 /* Thanks to Andrzej Zaborowski */
1071 tcg_out32 (s, bc | (val & 0xfffc));
1072 tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL14, label_index, 0);
1076 static void tcg_out_cr7eq_from_cond (TCGContext *s, const TCGArg *args,
1077 const int *const_args)
1079 int cond = args[4], op;
1080 struct { int bit1; int bit2; int cond2; } bits[] = {
1081 [TCG_COND_LT ] = { CR_LT, CR_LT, TCG_COND_LT },
1082 [TCG_COND_LE ] = { CR_LT, CR_GT, TCG_COND_LT },
1083 [TCG_COND_GT ] = { CR_GT, CR_GT, TCG_COND_GT },
1084 [TCG_COND_GE ] = { CR_GT, CR_LT, TCG_COND_GT },
1085 [TCG_COND_LTU] = { CR_LT, CR_LT, TCG_COND_LTU },
1086 [TCG_COND_LEU] = { CR_LT, CR_GT, TCG_COND_LTU },
1087 [TCG_COND_GTU] = { CR_GT, CR_GT, TCG_COND_GTU },
1088 [TCG_COND_GEU] = { CR_GT, CR_LT, TCG_COND_GTU },
1089 }, *b = &bits[cond];
1094 op = (cond == TCG_COND_EQ) ? CRAND : CRNAND;
1095 tcg_out_cmp (s, cond, args[0], args[2], const_args[2], 6);
1096 tcg_out_cmp (s, cond, args[1], args[3], const_args[3], 7);
1097 tcg_out32 (s, op | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ));
1107 op = (b->bit1 != b->bit2) ? CRANDC : CRAND;
1108 tcg_out_cmp (s, b->cond2, args[1], args[3], const_args[3], 5);
1109 tcg_out_cmp (s, TCG_COND_EQ, args[1], args[3], const_args[3], 6);
1110 tcg_out_cmp (s, cond, args[0], args[2], const_args[2], 7);
1111 tcg_out32 (s, op | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, b->bit2));
1112 tcg_out32 (s, CROR | BT (7, CR_EQ) | BA (5, b->bit1) | BB (7, CR_EQ));
1119 static void tcg_out_setcond (TCGContext *s, int cond, TCGArg arg0,
1120 TCGArg arg1, TCGArg arg2, int const_arg2)
1132 if ((uint16_t) arg2 == arg2) {
1133 tcg_out32 (s, XORI | RS (arg1) | RA (0) | arg2);
1136 tcg_out_movi (s, TCG_TYPE_I32, 0, arg2);
1137 tcg_out32 (s, XOR | SAB (arg1, 0, 0));
1143 tcg_out32 (s, XOR | SAB (arg1, 0, arg2));
1145 tcg_out32 (s, CNTLZW | RS (arg) | RA (0));
1146 tcg_out32 (s, (RLWINM
1163 if ((uint16_t) arg2 == arg2) {
1164 tcg_out32 (s, XORI | RS (arg1) | RA (0) | arg2);
1167 tcg_out_movi (s, TCG_TYPE_I32, 0, arg2);
1168 tcg_out32 (s, XOR | SAB (arg1, 0, 0));
1174 tcg_out32 (s, XOR | SAB (arg1, 0, arg2));
1177 if (arg == arg1 && arg1 == arg0) {
1178 tcg_out32 (s, ADDIC | RT (0) | RA (arg) | 0xffff);
1179 tcg_out32 (s, SUBFE | TAB (arg0, 0, arg));
1182 tcg_out32 (s, ADDIC | RT (arg0) | RA (arg) | 0xffff);
1183 tcg_out32 (s, SUBFE | TAB (arg0, arg0, arg));
1202 crop = CRNOR | BT (7, CR_EQ) | BA (7, CR_LT) | BB (7, CR_LT);
1208 crop = CRNOR | BT (7, CR_EQ) | BA (7, CR_GT) | BB (7, CR_GT);
1210 tcg_out_cmp (s, cond, arg1, arg2, const_arg2, 7);
1211 if (crop) tcg_out32 (s, crop);
1212 tcg_out32 (s, MFCR | RT (0));
1213 tcg_out32 (s, (RLWINM
1228 static void tcg_out_setcond2 (TCGContext *s, const TCGArg *args,
1229 const int *const_args)
1231 tcg_out_cr7eq_from_cond (s, args + 1, const_args + 1);
1232 tcg_out32 (s, MFCR | RT (0));
1233 tcg_out32 (s, (RLWINM
1243 static void tcg_out_brcond (TCGContext *s, int cond,
1244 TCGArg arg1, TCGArg arg2, int const_arg2,
1247 tcg_out_cmp (s, cond, arg1, arg2, const_arg2, 7);
1248 tcg_out_bc (s, tcg_to_bc[cond], label_index);
1251 /* XXX: we implement it at the target level to avoid having to
1252 handle cross basic blocks temporaries */
1253 static void tcg_out_brcond2 (TCGContext *s, const TCGArg *args,
1254 const int *const_args)
1256 tcg_out_cr7eq_from_cond (s, args, const_args);
1257 tcg_out_bc (s, (BC | BI (7, CR_EQ) | BO_COND_TRUE), args[5]);
1260 void ppc_tb_set_jmp_target (unsigned long jmp_addr, unsigned long addr)
1263 long disp = addr - jmp_addr;
1264 unsigned long patch_size;
1266 ptr = (uint32_t *)jmp_addr;
1268 if ((disp << 6) >> 6 != disp) {
1269 ptr[0] = 0x3c000000 | (addr >> 16); /* lis 0,addr@ha */
1270 ptr[1] = 0x60000000 | (addr & 0xffff); /* la 0,addr@l(0) */
1271 ptr[2] = 0x7c0903a6; /* mtctr 0 */
1272 ptr[3] = 0x4e800420; /* brctr */
1275 /* patch the branch destination */
1277 *ptr = 0x48000000 | (disp & 0x03fffffc); /* b disp */
1280 ptr[0] = 0x60000000; /* nop */
1281 ptr[1] = 0x60000000;
1282 ptr[2] = 0x60000000;
1283 ptr[3] = 0x60000000;
1288 flush_icache_range(jmp_addr, jmp_addr + patch_size);
1291 static void tcg_out_op(TCGContext *s, int opc, const TCGArg *args,
1292 const int *const_args)
1295 case INDEX_op_exit_tb:
1296 tcg_out_movi (s, TCG_TYPE_I32, TCG_REG_R3, args[0]);
1297 tcg_out_b (s, 0, (tcg_target_long) tb_ret_addr);
1299 case INDEX_op_goto_tb:
1300 if (s->tb_jmp_offset) {
1301 /* direct jump method */
1303 s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
1309 s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
1313 TCGLabel *l = &s->labels[args[0]];
1316 tcg_out_b (s, 0, l->u.value);
1319 uint32_t val = *(uint32_t *) s->code_ptr;
1321 /* Thanks to Andrzej Zaborowski */
1322 tcg_out32 (s, B | (val & 0x3fffffc));
1323 tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL24, args[0], 0);
1328 tcg_out_call (s, args[0], const_args[0]);
1331 if (const_args[0]) {
1332 tcg_out_b (s, 0, args[0]);
1335 tcg_out32 (s, MTSPR | RS (args[0]) | CTR);
1336 tcg_out32 (s, BCCTR | BO_ALWAYS);
1339 case INDEX_op_movi_i32:
1340 tcg_out_movi(s, TCG_TYPE_I32, args[0], args[1]);
1342 case INDEX_op_ld8u_i32:
1343 tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX);
1345 case INDEX_op_ld8s_i32:
1346 tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX);
1347 tcg_out32 (s, EXTSB | RS (args[0]) | RA (args[0]));
1349 case INDEX_op_ld16u_i32:
1350 tcg_out_ldst (s, args[0], args[1], args[2], LHZ, LHZX);
1352 case INDEX_op_ld16s_i32:
1353 tcg_out_ldst (s, args[0], args[1], args[2], LHA, LHAX);
1355 case INDEX_op_ld_i32:
1356 tcg_out_ldst (s, args[0], args[1], args[2], LWZ, LWZX);
1358 case INDEX_op_st8_i32:
1359 tcg_out_ldst (s, args[0], args[1], args[2], STB, STBX);
1361 case INDEX_op_st16_i32:
1362 tcg_out_ldst (s, args[0], args[1], args[2], STH, STHX);
1364 case INDEX_op_st_i32:
1365 tcg_out_ldst (s, args[0], args[1], args[2], STW, STWX);
1368 case INDEX_op_add_i32:
1370 ppc_addi (s, args[0], args[1], args[2]);
1372 tcg_out32 (s, ADD | TAB (args[0], args[1], args[2]));
1374 case INDEX_op_sub_i32:
1376 ppc_addi (s, args[0], args[1], -args[2]);
1378 tcg_out32 (s, SUBF | TAB (args[0], args[2], args[1]));
1381 case INDEX_op_and_i32:
1382 if (const_args[2]) {
1388 tcg_out_movi (s, TCG_TYPE_I32, args[0], 0);
1398 if ((t & (t - 1)) == 0) {
1401 if ((c & 0x80000001) == 0x80000001) {
1416 tcg_out32 (s, (RLWINM
1426 #endif /* !__PPU__ */
1428 if ((c & 0xffff) == c)
1429 tcg_out32 (s, ANDI | RS (args[1]) | RA (args[0]) | c);
1430 else if ((c & 0xffff0000) == c)
1431 tcg_out32 (s, ANDIS | RS (args[1]) | RA (args[0])
1432 | ((c >> 16) & 0xffff));
1434 tcg_out_movi (s, TCG_TYPE_I32, 0, c);
1435 tcg_out32 (s, AND | SAB (args[1], args[0], 0));
1440 tcg_out32 (s, AND | SAB (args[1], args[0], args[2]));
1442 case INDEX_op_or_i32:
1443 if (const_args[2]) {
1444 if (args[2] & 0xffff) {
1445 tcg_out32 (s, ORI | RS (args[1]) | RA (args[0])
1446 | (args[2] & 0xffff));
1448 tcg_out32 (s, ORIS | RS (args[0]) | RA (args[0])
1449 | ((args[2] >> 16) & 0xffff));
1452 tcg_out32 (s, ORIS | RS (args[1]) | RA (args[0])
1453 | ((args[2] >> 16) & 0xffff));
1457 tcg_out32 (s, OR | SAB (args[1], args[0], args[2]));
1459 case INDEX_op_xor_i32:
1460 if (const_args[2]) {
1461 if ((args[2] & 0xffff) == args[2])
1462 tcg_out32 (s, XORI | RS (args[1]) | RA (args[0])
1463 | (args[2] & 0xffff));
1464 else if ((args[2] & 0xffff0000) == args[2])
1465 tcg_out32 (s, XORIS | RS (args[1]) | RA (args[0])
1466 | ((args[2] >> 16) & 0xffff));
1468 tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]);
1469 tcg_out32 (s, XOR | SAB (args[1], args[0], 0));
1473 tcg_out32 (s, XOR | SAB (args[1], args[0], args[2]));
1475 case INDEX_op_andc_i32:
1476 tcg_out32 (s, ANDC | SAB (args[1], args[0], args[2]));
1478 case INDEX_op_orc_i32:
1479 tcg_out32 (s, ORC | SAB (args[1], args[0], args[2]));
1482 case INDEX_op_mul_i32:
1483 if (const_args[2]) {
1484 if (args[2] == (int16_t) args[2])
1485 tcg_out32 (s, MULLI | RT (args[0]) | RA (args[1])
1486 | (args[2] & 0xffff));
1488 tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]);
1489 tcg_out32 (s, MULLW | TAB (args[0], args[1], 0));
1493 tcg_out32 (s, MULLW | TAB (args[0], args[1], args[2]));
1496 case INDEX_op_div_i32:
1497 tcg_out32 (s, DIVW | TAB (args[0], args[1], args[2]));
1500 case INDEX_op_divu_i32:
1501 tcg_out32 (s, DIVWU | TAB (args[0], args[1], args[2]));
1504 case INDEX_op_rem_i32:
1505 tcg_out32 (s, DIVW | TAB (0, args[1], args[2]));
1506 tcg_out32 (s, MULLW | TAB (0, 0, args[2]));
1507 tcg_out32 (s, SUBF | TAB (args[0], 0, args[1]));
1510 case INDEX_op_remu_i32:
1511 tcg_out32 (s, DIVWU | TAB (0, args[1], args[2]));
1512 tcg_out32 (s, MULLW | TAB (0, 0, args[2]));
1513 tcg_out32 (s, SUBF | TAB (args[0], 0, args[1]));
1516 case INDEX_op_mulu2_i32:
1517 if (args[0] == args[2] || args[0] == args[3]) {
1518 tcg_out32 (s, MULLW | TAB (0, args[2], args[3]));
1519 tcg_out32 (s, MULHWU | TAB (args[1], args[2], args[3]));
1520 tcg_out_mov (s, args[0], 0);
1523 tcg_out32 (s, MULLW | TAB (args[0], args[2], args[3]));
1524 tcg_out32 (s, MULHWU | TAB (args[1], args[2], args[3]));
1528 case INDEX_op_shl_i32:
1529 if (const_args[2]) {
1530 tcg_out32 (s, (RLWINM
1540 tcg_out32 (s, SLW | SAB (args[1], args[0], args[2]));
1542 case INDEX_op_shr_i32:
1543 if (const_args[2]) {
1544 tcg_out32 (s, (RLWINM
1554 tcg_out32 (s, SRW | SAB (args[1], args[0], args[2]));
1556 case INDEX_op_sar_i32:
1558 tcg_out32 (s, SRAWI | RS (args[1]) | RA (args[0]) | SH (args[2]));
1560 tcg_out32 (s, SRAW | SAB (args[1], args[0], args[2]));
1562 case INDEX_op_rotl_i32:
1569 | (const_args[2] ? RLWINM | SH (args[2])
1570 : RLWNM | RB (args[2]))
1575 case INDEX_op_rotr_i32:
1576 if (const_args[2]) {
1578 tcg_out_mov (s, args[0], args[1]);
1581 tcg_out32 (s, RLWINM
1591 tcg_out32 (s, ADDI | RT (0) | RA (args[2]) | 0xffe0);
1602 case INDEX_op_add2_i32:
1603 if (args[0] == args[3] || args[0] == args[5]) {
1604 tcg_out32 (s, ADDC | TAB (0, args[2], args[4]));
1605 tcg_out32 (s, ADDE | TAB (args[1], args[3], args[5]));
1606 tcg_out_mov (s, args[0], 0);
1609 tcg_out32 (s, ADDC | TAB (args[0], args[2], args[4]));
1610 tcg_out32 (s, ADDE | TAB (args[1], args[3], args[5]));
1613 case INDEX_op_sub2_i32:
1614 if (args[0] == args[3] || args[0] == args[5]) {
1615 tcg_out32 (s, SUBFC | TAB (0, args[4], args[2]));
1616 tcg_out32 (s, SUBFE | TAB (args[1], args[5], args[3]));
1617 tcg_out_mov (s, args[0], 0);
1620 tcg_out32 (s, SUBFC | TAB (args[0], args[4], args[2]));
1621 tcg_out32 (s, SUBFE | TAB (args[1], args[5], args[3]));
1625 case INDEX_op_brcond_i32:
1630 args[3] = r1 is const
1631 args[4] = label_index
1633 tcg_out_brcond (s, args[2], args[0], args[1], const_args[1], args[3]);
1635 case INDEX_op_brcond2_i32:
1636 tcg_out_brcond2(s, args, const_args);
1639 case INDEX_op_neg_i32:
1640 tcg_out32 (s, NEG | RT (args[0]) | RA (args[1]));
1643 case INDEX_op_not_i32:
1644 tcg_out32 (s, NOR | SAB (args[1], args[0], args[0]));
1647 case INDEX_op_qemu_ld8u:
1648 tcg_out_qemu_ld(s, args, 0);
1650 case INDEX_op_qemu_ld8s:
1651 tcg_out_qemu_ld(s, args, 0 | 4);
1653 case INDEX_op_qemu_ld16u:
1654 tcg_out_qemu_ld(s, args, 1);
1656 case INDEX_op_qemu_ld16s:
1657 tcg_out_qemu_ld(s, args, 1 | 4);
1659 case INDEX_op_qemu_ld32u:
1660 tcg_out_qemu_ld(s, args, 2);
1662 case INDEX_op_qemu_ld64:
1663 tcg_out_qemu_ld(s, args, 3);
1665 case INDEX_op_qemu_st8:
1666 tcg_out_qemu_st(s, args, 0);
1668 case INDEX_op_qemu_st16:
1669 tcg_out_qemu_st(s, args, 1);
1671 case INDEX_op_qemu_st32:
1672 tcg_out_qemu_st(s, args, 2);
1674 case INDEX_op_qemu_st64:
1675 tcg_out_qemu_st(s, args, 3);
1678 case INDEX_op_ext8s_i32:
1679 tcg_out32 (s, EXTSB | RS (args[1]) | RA (args[0]));
1681 case INDEX_op_ext8u_i32:
1682 tcg_out32 (s, RLWINM
1690 case INDEX_op_ext16s_i32:
1691 tcg_out32 (s, EXTSH | RS (args[1]) | RA (args[0]));
1693 case INDEX_op_ext16u_i32:
1694 tcg_out32 (s, RLWINM
1703 case INDEX_op_setcond_i32:
1704 tcg_out_setcond (s, args[3], args[0], args[1], args[2], const_args[2]);
1706 case INDEX_op_setcond2_i32:
1707 tcg_out_setcond2 (s, args, const_args);
1711 tcg_dump_ops (s, stderr);
1716 static const TCGTargetOpDef ppc_op_defs[] = {
1717 { INDEX_op_exit_tb, { } },
1718 { INDEX_op_goto_tb, { } },
1719 { INDEX_op_call, { "ri" } },
1720 { INDEX_op_jmp, { "ri" } },
1721 { INDEX_op_br, { } },
1723 { INDEX_op_mov_i32, { "r", "r" } },
1724 { INDEX_op_movi_i32, { "r" } },
1725 { INDEX_op_ld8u_i32, { "r", "r" } },
1726 { INDEX_op_ld8s_i32, { "r", "r" } },
1727 { INDEX_op_ld16u_i32, { "r", "r" } },
1728 { INDEX_op_ld16s_i32, { "r", "r" } },
1729 { INDEX_op_ld_i32, { "r", "r" } },
1730 { INDEX_op_st8_i32, { "r", "r" } },
1731 { INDEX_op_st16_i32, { "r", "r" } },
1732 { INDEX_op_st_i32, { "r", "r" } },
1734 { INDEX_op_add_i32, { "r", "r", "ri" } },
1735 { INDEX_op_mul_i32, { "r", "r", "ri" } },
1736 { INDEX_op_div_i32, { "r", "r", "r" } },
1737 { INDEX_op_divu_i32, { "r", "r", "r" } },
1738 { INDEX_op_rem_i32, { "r", "r", "r" } },
1739 { INDEX_op_remu_i32, { "r", "r", "r" } },
1740 { INDEX_op_mulu2_i32, { "r", "r", "r", "r" } },
1741 { INDEX_op_sub_i32, { "r", "r", "ri" } },
1742 { INDEX_op_and_i32, { "r", "r", "ri" } },
1743 { INDEX_op_or_i32, { "r", "r", "ri" } },
1744 { INDEX_op_xor_i32, { "r", "r", "ri" } },
1746 { INDEX_op_shl_i32, { "r", "r", "ri" } },
1747 { INDEX_op_shr_i32, { "r", "r", "ri" } },
1748 { INDEX_op_sar_i32, { "r", "r", "ri" } },
1750 { INDEX_op_rotl_i32, { "r", "r", "ri" } },
1751 { INDEX_op_rotr_i32, { "r", "r", "ri" } },
1753 { INDEX_op_brcond_i32, { "r", "ri" } },
1755 { INDEX_op_add2_i32, { "r", "r", "r", "r", "r", "r" } },
1756 { INDEX_op_sub2_i32, { "r", "r", "r", "r", "r", "r" } },
1757 { INDEX_op_brcond2_i32, { "r", "r", "r", "r" } },
1759 { INDEX_op_neg_i32, { "r", "r" } },
1760 { INDEX_op_not_i32, { "r", "r" } },
1762 { INDEX_op_andc_i32, { "r", "r", "r" } },
1763 { INDEX_op_orc_i32, { "r", "r", "r" } },
1765 { INDEX_op_setcond_i32, { "r", "r", "ri" } },
1766 { INDEX_op_setcond2_i32, { "r", "r", "r", "ri", "ri" } },
1768 #if TARGET_LONG_BITS == 32
1769 { INDEX_op_qemu_ld8u, { "r", "L" } },
1770 { INDEX_op_qemu_ld8s, { "r", "L" } },
1771 { INDEX_op_qemu_ld16u, { "r", "L" } },
1772 { INDEX_op_qemu_ld16s, { "r", "L" } },
1773 { INDEX_op_qemu_ld32u, { "r", "L" } },
1774 { INDEX_op_qemu_ld64, { "r", "r", "L" } },
1776 { INDEX_op_qemu_st8, { "K", "K" } },
1777 { INDEX_op_qemu_st16, { "K", "K" } },
1778 { INDEX_op_qemu_st32, { "K", "K" } },
1779 { INDEX_op_qemu_st64, { "M", "M", "M" } },
1781 { INDEX_op_qemu_ld8u, { "r", "L", "L" } },
1782 { INDEX_op_qemu_ld8s, { "r", "L", "L" } },
1783 { INDEX_op_qemu_ld16u, { "r", "L", "L" } },
1784 { INDEX_op_qemu_ld16s, { "r", "L", "L" } },
1785 { INDEX_op_qemu_ld32u, { "r", "L", "L" } },
1786 { INDEX_op_qemu_ld64, { "r", "L", "L", "L" } },
1788 { INDEX_op_qemu_st8, { "K", "K", "K" } },
1789 { INDEX_op_qemu_st16, { "K", "K", "K" } },
1790 { INDEX_op_qemu_st32, { "K", "K", "K" } },
1791 { INDEX_op_qemu_st64, { "M", "M", "M", "M" } },
1794 { INDEX_op_ext8s_i32, { "r", "r" } },
1795 { INDEX_op_ext8u_i32, { "r", "r" } },
1796 { INDEX_op_ext16s_i32, { "r", "r" } },
1797 { INDEX_op_ext16u_i32, { "r", "r" } },
1802 void tcg_target_init(TCGContext *s)
1804 tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff);
1805 tcg_regset_set32(tcg_target_call_clobber_regs, 0,
1817 (1 << TCG_REG_R10) |
1818 (1 << TCG_REG_R11) |
1822 tcg_regset_clear(s->reserved_regs);
1823 tcg_regset_set_reg(s->reserved_regs, TCG_REG_R0);
1824 tcg_regset_set_reg(s->reserved_regs, TCG_REG_R1);
1825 #ifndef _CALL_DARWIN
1826 tcg_regset_set_reg(s->reserved_regs, TCG_REG_R2);
1829 tcg_regset_set_reg(s->reserved_regs, TCG_REG_R13);
1831 #ifdef CONFIG_USE_GUEST_BASE
1832 tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG);
1835 tcg_add_target_add_op_defs(ppc_op_defs);