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;
27 #if defined _CALL_DARWIN || defined __APPLE__
28 #define TCG_TARGET_CALL_DARWIN
31 #ifdef TCG_TARGET_CALL_DARWIN
32 #define LINKAGE_AREA_SIZE 24
34 #elif defined _CALL_AIX
35 #define LINKAGE_AREA_SIZE 52
38 #define LINKAGE_AREA_SIZE 8
46 #ifdef CONFIG_USE_GUEST_BASE
47 #define TCG_GUEST_BASE_REG 30
49 #define TCG_GUEST_BASE_REG 0
53 static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
89 static const int tcg_target_reg_alloc_order[] = {
104 #ifdef TCG_TARGET_CALL_DARWIN
115 #ifndef TCG_TARGET_CALL_DARWIN
128 static const int tcg_target_call_iarg_regs[] = {
139 static const int tcg_target_call_oarg_regs[2] = {
144 static const int tcg_target_callee_save_regs[] = {
145 #ifdef TCG_TARGET_CALL_DARWIN
165 TCG_REG_R27, /* currently used for the global env */
172 static uint32_t reloc_pc24_val (void *pc, tcg_target_long target)
174 tcg_target_long disp;
176 disp = target - (tcg_target_long) pc;
177 if ((disp << 6) >> 6 != disp)
180 return disp & 0x3fffffc;
183 static void reloc_pc24 (void *pc, tcg_target_long target)
185 *(uint32_t *) pc = (*(uint32_t *) pc & ~0x3fffffc)
186 | reloc_pc24_val (pc, target);
189 static uint16_t reloc_pc14_val (void *pc, tcg_target_long target)
191 tcg_target_long disp;
193 disp = target - (tcg_target_long) pc;
194 if (disp != (int16_t) disp)
197 return disp & 0xfffc;
200 static void reloc_pc14 (void *pc, tcg_target_long target)
202 *(uint32_t *) pc = (*(uint32_t *) pc & ~0xfffc)
203 | reloc_pc14_val (pc, target);
206 static void patch_reloc(uint8_t *code_ptr, int type,
207 intptr_t value, intptr_t addend)
212 reloc_pc14 (code_ptr, value);
215 reloc_pc24 (code_ptr, value);
222 /* parse target specific constraints */
223 static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
229 case 'A': case 'B': case 'C': case 'D':
230 ct->ct |= TCG_CT_REG;
231 tcg_regset_set_reg(ct->u.regs, 3 + ct_str[0] - 'A');
234 ct->ct |= TCG_CT_REG;
235 tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
237 #ifdef CONFIG_SOFTMMU
238 case 'L': /* qemu_ld constraint */
239 ct->ct |= TCG_CT_REG;
240 tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
241 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
242 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4);
243 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5);
244 #if TARGET_LONG_BITS == 64
245 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6);
246 #ifdef TCG_TARGET_CALL_ALIGN_ARGS
247 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R7);
251 case 'K': /* qemu_st[8..32] constraint */
252 ct->ct |= TCG_CT_REG;
253 tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
254 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
255 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4);
256 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5);
257 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6);
258 #if TARGET_LONG_BITS == 64
259 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R7);
260 #ifdef TCG_TARGET_CALL_ALIGN_ARGS
261 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R8);
265 case 'M': /* qemu_st64 constraint */
266 ct->ct |= TCG_CT_REG;
267 tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
268 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
269 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4);
270 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5);
271 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6);
272 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R7);
273 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R8);
274 #ifdef TCG_TARGET_CALL_ALIGN_ARGS
275 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R9);
281 ct->ct |= TCG_CT_REG;
282 tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
285 ct->ct |= TCG_CT_REG;
286 tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
287 tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
298 /* test if a constant matches the constraint */
299 static int tcg_target_const_match(tcg_target_long val,
300 const TCGArgConstraint *arg_ct)
305 if (ct & TCG_CT_CONST)
310 #define OPCD(opc) ((opc)<<26)
311 #define XO31(opc) (OPCD(31)|((opc)<<1))
312 #define XO19(opc) (OPCD(19)|((opc)<<1))
324 #define ADDIC OPCD(12)
325 #define ADDI OPCD(14)
326 #define ADDIS OPCD(15)
328 #define ORIS OPCD(25)
329 #define XORI OPCD(26)
330 #define XORIS OPCD(27)
331 #define ANDI OPCD(28)
332 #define ANDIS OPCD(29)
333 #define MULLI OPCD( 7)
334 #define CMPLI OPCD(10)
335 #define CMPI OPCD(11)
336 #define SUBFIC OPCD( 8)
338 #define LWZU OPCD(33)
339 #define STWU OPCD(37)
341 #define RLWIMI OPCD(20)
342 #define RLWINM OPCD(21)
343 #define RLWNM OPCD(23)
345 #define BCLR XO19( 16)
346 #define BCCTR XO19(528)
347 #define CRAND XO19(257)
348 #define CRANDC XO19(129)
349 #define CRNAND XO19(225)
350 #define CROR XO19(449)
351 #define CRNOR XO19( 33)
353 #define EXTSB XO31(954)
354 #define EXTSH XO31(922)
355 #define ADD XO31(266)
356 #define ADDE XO31(138)
357 #define ADDC XO31( 10)
358 #define AND XO31( 28)
359 #define SUBF XO31( 40)
360 #define SUBFC XO31( 8)
361 #define SUBFE XO31(136)
363 #define XOR XO31(316)
364 #define MULLW XO31(235)
365 #define MULHWU XO31( 11)
366 #define DIVW XO31(491)
367 #define DIVWU XO31(459)
369 #define CMPL XO31( 32)
370 #define LHBRX XO31(790)
371 #define LWBRX XO31(534)
372 #define STHBRX XO31(918)
373 #define STWBRX XO31(662)
374 #define MFSPR XO31(339)
375 #define MTSPR XO31(467)
376 #define SRAWI XO31(824)
377 #define NEG XO31(104)
378 #define MFCR XO31( 19)
379 #define CNTLZW XO31( 26)
380 #define NOR XO31(124)
381 #define ANDC XO31( 60)
382 #define ORC XO31(412)
383 #define EQV XO31(284)
384 #define NAND XO31(476)
385 #define ISEL XO31( 15)
387 #define LBZX XO31( 87)
388 #define LHZX XO31(279)
389 #define LHAX XO31(343)
390 #define LWZX XO31( 23)
391 #define STBX XO31(215)
392 #define STHX XO31(407)
393 #define STWX XO31(151)
395 #define SPR(a,b) ((((a)<<5)|(b))<<11)
397 #define CTR SPR(9, 0)
399 #define SLW XO31( 24)
400 #define SRW XO31(536)
401 #define SRAW XO31(792)
404 #define TRAP (TW | TO (31))
406 #define RT(r) ((r)<<21)
407 #define RS(r) ((r)<<21)
408 #define RA(r) ((r)<<16)
409 #define RB(r) ((r)<<11)
410 #define TO(t) ((t)<<21)
411 #define SH(s) ((s)<<11)
412 #define MB(b) ((b)<<6)
413 #define ME(e) ((e)<<1)
414 #define BO(o) ((o)<<21)
418 #define TAB(t,a,b) (RT(t) | RA(a) | RB(b))
419 #define SAB(s,a,b) (RS(s) | RA(a) | RB(b))
421 #define BF(n) ((n)<<23)
422 #define BI(n, c) (((c)+((n)*4))<<16)
423 #define BT(n, c) (((c)+((n)*4))<<21)
424 #define BA(n, c) (((c)+((n)*4))<<16)
425 #define BB(n, c) (((c)+((n)*4))<<11)
427 #define BO_COND_TRUE BO (12)
428 #define BO_COND_FALSE BO (4)
429 #define BO_ALWAYS BO (20)
438 static const uint32_t tcg_to_bc[] = {
439 [TCG_COND_EQ] = BC | BI (7, CR_EQ) | BO_COND_TRUE,
440 [TCG_COND_NE] = BC | BI (7, CR_EQ) | BO_COND_FALSE,
441 [TCG_COND_LT] = BC | BI (7, CR_LT) | BO_COND_TRUE,
442 [TCG_COND_GE] = BC | BI (7, CR_LT) | BO_COND_FALSE,
443 [TCG_COND_LE] = BC | BI (7, CR_GT) | BO_COND_FALSE,
444 [TCG_COND_GT] = BC | BI (7, CR_GT) | BO_COND_TRUE,
445 [TCG_COND_LTU] = BC | BI (7, CR_LT) | BO_COND_TRUE,
446 [TCG_COND_GEU] = BC | BI (7, CR_LT) | BO_COND_FALSE,
447 [TCG_COND_LEU] = BC | BI (7, CR_GT) | BO_COND_FALSE,
448 [TCG_COND_GTU] = BC | BI (7, CR_GT) | BO_COND_TRUE,
451 static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg)
453 tcg_out32 (s, OR | SAB (arg, ret, arg));
456 static void tcg_out_movi(TCGContext *s, TCGType type,
457 TCGReg ret, tcg_target_long arg)
459 if (arg == (int16_t) arg)
460 tcg_out32 (s, ADDI | RT (ret) | RA (0) | (arg & 0xffff));
462 tcg_out32 (s, ADDIS | RT (ret) | RA (0) | ((arg >> 16) & 0xffff));
464 tcg_out32 (s, ORI | RS (ret) | RA (ret) | (arg & 0xffff));
468 static void tcg_out_ldst (TCGContext *s, int ret, int addr,
469 int offset, int op1, int op2)
471 if (offset == (int16_t) offset)
472 tcg_out32 (s, op1 | RT (ret) | RA (addr) | (offset & 0xffff));
474 tcg_out_movi (s, TCG_TYPE_I32, 0, offset);
475 tcg_out32 (s, op2 | RT (ret) | RA (addr) | RB (0));
479 static void tcg_out_b (TCGContext *s, int mask, tcg_target_long target)
481 tcg_target_long disp;
483 disp = target - (tcg_target_long) s->code_ptr;
484 if ((disp << 6) >> 6 == disp)
485 tcg_out32 (s, B | (disp & 0x3fffffc) | mask);
487 tcg_out_movi (s, TCG_TYPE_I32, 0, (tcg_target_long) target);
488 tcg_out32 (s, MTSPR | RS (0) | CTR);
489 tcg_out32 (s, BCCTR | BO_ALWAYS | mask);
493 static void tcg_out_call (TCGContext *s, tcg_target_long arg, int const_arg)
500 tcg_out_movi (s, TCG_TYPE_I32, reg, arg);
504 tcg_out32 (s, LWZ | RT (0) | RA (reg));
505 tcg_out32 (s, MTSPR | RA (0) | CTR);
506 tcg_out32 (s, LWZ | RT (2) | RA (reg) | 4);
507 tcg_out32 (s, BCCTR | BO_ALWAYS | LK);
510 tcg_out_b (s, LK, arg);
513 tcg_out32 (s, MTSPR | RS (arg) | LR);
514 tcg_out32 (s, BCLR | BO_ALWAYS | LK);
519 #if defined(CONFIG_SOFTMMU)
521 static void add_qemu_ldst_label (TCGContext *s,
533 TCGLabelQemuLdst *label;
535 if (s->nb_qemu_ldst_labels >= TCG_MAX_QEMU_LDST) {
539 idx = s->nb_qemu_ldst_labels++;
540 label = (TCGLabelQemuLdst *)&s->qemu_ldst_labels[idx];
541 label->is_ld = is_ld;
543 label->datalo_reg = data_reg;
544 label->datahi_reg = data_reg2;
545 label->addrlo_reg = addrlo_reg;
546 label->addrhi_reg = addrhi_reg;
547 label->mem_index = mem_index;
548 label->raddr = raddr;
549 label->label_ptr[0] = label_ptr;
552 /* helper signature: helper_ld_mmu(CPUState *env, target_ulong addr,
554 static const void * const qemu_ld_helpers[4] = {
561 /* helper signature: helper_st_mmu(CPUState *env, target_ulong addr,
562 uintxx_t val, int mmu_idx) */
563 static const void * const qemu_st_helpers[4] = {
570 static void *ld_trampolines[4];
571 static void *st_trampolines[4];
573 static void tcg_out_tlb_check (TCGContext *s, int r0, int r1, int r2,
574 int addr_reg, int addr_reg2, int s_bits,
575 int offset1, int offset2, uint8_t **label_ptr)
579 tcg_out32 (s, (RLWINM
582 | SH (32 - (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS))
583 | MB (32 - (CPU_TLB_BITS + CPU_TLB_ENTRY_BITS))
584 | ME (31 - CPU_TLB_ENTRY_BITS)
587 tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (TCG_AREG0));
594 tcg_out32 (s, (RLWINM
598 | MB ((32 - s_bits) & 31)
599 | ME (31 - TARGET_PAGE_BITS)
603 tcg_out32 (s, CMP | BF (7) | RA (r2) | RB (r1));
604 #if TARGET_LONG_BITS == 64
605 tcg_out32 (s, LWZ | RT (r1) | RA (r0) | 4);
606 tcg_out32 (s, CMP | BF (6) | RA (addr_reg2) | RB (r1));
607 tcg_out32 (s, CRAND | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ));
609 *label_ptr = s->code_ptr;
610 retranst = ((uint16_t *) s->code_ptr)[1] & ~3;
611 tcg_out32 (s, BC | BI (7, CR_EQ) | retranst | BO_COND_FALSE);
613 /* r0 now contains &env->tlb_table[mem_index][index].addr_x */
620 /* r0 = env->tlb_table[mem_index][index].addend */
621 tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (addr_reg));
622 /* r0 = env->tlb_table[mem_index][index].addend + addr */
627 static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
629 int addr_reg, data_reg, data_reg2, r0, r1, rbase, bswap;
630 #ifdef CONFIG_SOFTMMU
631 int mem_index, s_bits, r2, addr_reg2;
642 #ifdef CONFIG_SOFTMMU
643 #if TARGET_LONG_BITS == 64
656 s, r0, r1, r2, addr_reg, addr_reg2, s_bits,
657 offsetof (CPUArchState, tlb_table[mem_index][0].addr_read),
658 offsetof (CPUTLBEntry, addend) - offsetof (CPUTLBEntry, addr_read),
661 #else /* !CONFIG_SOFTMMU */
664 rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0;
667 #ifdef TARGET_WORDS_BIGENDIAN
676 tcg_out32 (s, LBZX | TAB (data_reg, rbase, r0));
679 tcg_out32 (s, LBZX | TAB (data_reg, rbase, r0));
680 tcg_out32 (s, EXTSB | RA (data_reg) | RS (data_reg));
684 tcg_out32 (s, LHBRX | TAB (data_reg, rbase, r0));
686 tcg_out32 (s, LHZX | TAB (data_reg, rbase, r0));
690 tcg_out32 (s, LHBRX | TAB (data_reg, rbase, r0));
691 tcg_out32 (s, EXTSH | RA (data_reg) | RS (data_reg));
693 else tcg_out32 (s, LHAX | TAB (data_reg, rbase, r0));
697 tcg_out32 (s, LWBRX | TAB (data_reg, rbase, r0));
699 tcg_out32 (s, LWZX | TAB (data_reg, rbase, r0));
703 tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4);
704 tcg_out32 (s, LWBRX | TAB (data_reg, rbase, r0));
705 tcg_out32 (s, LWBRX | TAB (data_reg2, rbase, r1));
708 #ifdef CONFIG_USE_GUEST_BASE
709 tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4);
710 tcg_out32 (s, LWZX | TAB (data_reg2, rbase, r0));
711 tcg_out32 (s, LWZX | TAB (data_reg, rbase, r1));
713 if (r0 == data_reg2) {
714 tcg_out32 (s, LWZ | RT (0) | RA (r0));
715 tcg_out32 (s, LWZ | RT (data_reg) | RA (r0) | 4);
716 tcg_out_mov (s, TCG_TYPE_I32, data_reg2, 0);
719 tcg_out32 (s, LWZ | RT (data_reg2) | RA (r0));
720 tcg_out32 (s, LWZ | RT (data_reg) | RA (r0) | 4);
726 #ifdef CONFIG_SOFTMMU
727 add_qemu_ldst_label (s,
740 static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
742 int addr_reg, r0, r1, data_reg, data_reg2, bswap, rbase;
743 #ifdef CONFIG_SOFTMMU
744 int mem_index, r2, addr_reg2;
755 #ifdef CONFIG_SOFTMMU
756 #if TARGET_LONG_BITS == 64
768 s, r0, r1, r2, addr_reg, addr_reg2, opc & 3,
769 offsetof (CPUArchState, tlb_table[mem_index][0].addr_write),
770 offsetof (CPUTLBEntry, addend) - offsetof (CPUTLBEntry, addr_write),
773 #else /* !CONFIG_SOFTMMU */
776 rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0;
779 #ifdef TARGET_WORDS_BIGENDIAN
786 tcg_out32 (s, STBX | SAB (data_reg, rbase, r0));
790 tcg_out32 (s, STHBRX | SAB (data_reg, rbase, r0));
792 tcg_out32 (s, STHX | SAB (data_reg, rbase, r0));
796 tcg_out32 (s, STWBRX | SAB (data_reg, rbase, r0));
798 tcg_out32 (s, STWX | SAB (data_reg, rbase, r0));
802 tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4);
803 tcg_out32 (s, STWBRX | SAB (data_reg, rbase, r0));
804 tcg_out32 (s, STWBRX | SAB (data_reg2, rbase, r1));
807 #ifdef CONFIG_USE_GUEST_BASE
808 tcg_out32 (s, STWX | SAB (data_reg2, rbase, r0));
809 tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4);
810 tcg_out32 (s, STWX | SAB (data_reg, rbase, r1));
812 tcg_out32 (s, STW | RS (data_reg2) | RA (r0));
813 tcg_out32 (s, STW | RS (data_reg) | RA (r0) | 4);
819 #ifdef CONFIG_SOFTMMU
820 add_qemu_ldst_label (s,
833 #if defined(CONFIG_SOFTMMU)
834 static void tcg_out_qemu_ld_slow_path (TCGContext *s, TCGLabelQemuLdst *label)
838 int opc = label->opc;
839 int mem_index = label->mem_index;
840 int data_reg = label->datalo_reg;
841 int data_reg2 = label->datahi_reg;
842 int addr_reg = label->addrlo_reg;
843 uint8_t *raddr = label->raddr;
844 uint8_t **label_ptr = &label->label_ptr[0];
848 /* resolve label address */
849 reloc_pc14 (label_ptr[0], (tcg_target_long) s->code_ptr);
853 #if TARGET_LONG_BITS == 32
854 tcg_out_mov (s, TCG_TYPE_I32, ir++, addr_reg);
856 #ifdef TCG_TARGET_CALL_ALIGN_ARGS
859 tcg_out_mov (s, TCG_TYPE_I32, ir++, label->addrhi_reg);
860 tcg_out_mov (s, TCG_TYPE_I32, ir++, addr_reg);
862 tcg_out_movi (s, TCG_TYPE_I32, ir, mem_index);
863 tcg_out_call (s, (tcg_target_long) ld_trampolines[s_bits], 1);
864 tcg_out32 (s, (tcg_target_long) raddr);
867 tcg_out32 (s, EXTSB | RA (data_reg) | RS (3));
870 tcg_out32 (s, EXTSH | RA (data_reg) | RS (3));
876 tcg_out_mov (s, TCG_TYPE_I32, data_reg, 3);
880 if (data_reg2 == 4) {
881 tcg_out_mov (s, TCG_TYPE_I32, 0, 4);
882 tcg_out_mov (s, TCG_TYPE_I32, 4, 3);
883 tcg_out_mov (s, TCG_TYPE_I32, 3, 0);
886 tcg_out_mov (s, TCG_TYPE_I32, data_reg2, 3);
887 tcg_out_mov (s, TCG_TYPE_I32, 3, 4);
891 if (data_reg != 4) tcg_out_mov (s, TCG_TYPE_I32, data_reg, 4);
892 if (data_reg2 != 3) tcg_out_mov (s, TCG_TYPE_I32, data_reg2, 3);
896 /* Jump to the code corresponding to next IR of qemu_st */
897 tcg_out_b (s, 0, (tcg_target_long) raddr);
900 static void tcg_out_qemu_st_slow_path (TCGContext *s, TCGLabelQemuLdst *label)
903 int opc = label->opc;
904 int mem_index = label->mem_index;
905 int data_reg = label->datalo_reg;
906 int data_reg2 = label->datahi_reg;
907 int addr_reg = label->addrlo_reg;
908 uint8_t *raddr = label->raddr;
909 uint8_t **label_ptr = &label->label_ptr[0];
911 /* resolve label address */
912 reloc_pc14 (label_ptr[0], (tcg_target_long) s->code_ptr);
916 #if TARGET_LONG_BITS == 32
917 tcg_out_mov (s, TCG_TYPE_I32, ir++, addr_reg);
919 #ifdef TCG_TARGET_CALL_ALIGN_ARGS
922 tcg_out_mov (s, TCG_TYPE_I32, ir++, label->addrhi_reg);
923 tcg_out_mov (s, TCG_TYPE_I32, ir++, addr_reg);
928 tcg_out32 (s, (RLWINM
936 tcg_out32 (s, (RLWINM
944 tcg_out_mov (s, TCG_TYPE_I32, ir, data_reg);
947 #ifdef TCG_TARGET_CALL_ALIGN_ARGS
950 tcg_out_mov (s, TCG_TYPE_I32, ir++, data_reg2);
951 tcg_out_mov (s, TCG_TYPE_I32, ir, data_reg);
956 tcg_out_movi (s, TCG_TYPE_I32, ir, mem_index);
957 tcg_out_call (s, (tcg_target_long) st_trampolines[opc], 1);
958 tcg_out32 (s, (tcg_target_long) raddr);
959 tcg_out_b (s, 0, (tcg_target_long) raddr);
962 void tcg_out_tb_finalize(TCGContext *s)
965 TCGLabelQemuLdst *label;
967 /* qemu_ld/st slow paths */
968 for (i = 0; i < s->nb_qemu_ldst_labels; i++) {
969 label = (TCGLabelQemuLdst *) &s->qemu_ldst_labels[i];
971 tcg_out_qemu_ld_slow_path (s, label);
974 tcg_out_qemu_st_slow_path (s, label);
980 #ifdef CONFIG_SOFTMMU
981 static void emit_ldst_trampoline (TCGContext *s, const void *ptr)
983 tcg_out32 (s, MFSPR | RT (3) | LR);
984 tcg_out32 (s, ADDI | RT (3) | RA (3) | 4);
985 tcg_out32 (s, MTSPR | RS (3) | LR);
986 tcg_out_mov (s, TCG_TYPE_I32, 3, TCG_AREG0);
987 tcg_out_b (s, 0, (tcg_target_long) ptr);
991 static void tcg_target_qemu_prologue (TCGContext *s)
997 + TCG_STATIC_CALL_ARGS_SIZE
998 + ARRAY_SIZE (tcg_target_callee_save_regs) * 4
999 + CPU_TEMP_BUF_NLONGS * sizeof(long)
1001 frame_size = (frame_size + 15) & ~15;
1003 tcg_set_frame(s, TCG_REG_CALL_STACK, frame_size
1004 - CPU_TEMP_BUF_NLONGS * sizeof(long),
1005 CPU_TEMP_BUF_NLONGS * sizeof(long));
1011 /* First emit adhoc function descriptor */
1012 addr = (uint32_t) s->code_ptr + 12;
1013 tcg_out32 (s, addr); /* entry point */
1014 s->code_ptr += 8; /* skip TOC and environment pointer */
1017 tcg_out32 (s, MFSPR | RT (0) | LR);
1018 tcg_out32 (s, STWU | RS (1) | RA (1) | (-frame_size & 0xffff));
1019 for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i)
1021 | RS (tcg_target_callee_save_regs[i])
1023 | (i * 4 + LINKAGE_AREA_SIZE + TCG_STATIC_CALL_ARGS_SIZE)
1026 tcg_out32 (s, STW | RS (0) | RA (1) | (frame_size + LR_OFFSET));
1028 #ifdef CONFIG_USE_GUEST_BASE
1030 tcg_out_movi (s, TCG_TYPE_I32, TCG_GUEST_BASE_REG, GUEST_BASE);
1031 tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG);
1035 tcg_out_mov (s, TCG_TYPE_PTR, TCG_AREG0, tcg_target_call_iarg_regs[0]);
1036 tcg_out32 (s, MTSPR | RS (tcg_target_call_iarg_regs[1]) | CTR);
1037 tcg_out32 (s, BCCTR | BO_ALWAYS);
1038 tb_ret_addr = s->code_ptr;
1040 for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i)
1042 | RT (tcg_target_callee_save_regs[i])
1044 | (i * 4 + LINKAGE_AREA_SIZE + TCG_STATIC_CALL_ARGS_SIZE)
1047 tcg_out32 (s, LWZ | RT (0) | RA (1) | (frame_size + LR_OFFSET));
1048 tcg_out32 (s, MTSPR | RS (0) | LR);
1049 tcg_out32 (s, ADDI | RT (1) | RA (1) | frame_size);
1050 tcg_out32 (s, BCLR | BO_ALWAYS);
1052 #ifdef CONFIG_SOFTMMU
1053 for (i = 0; i < 4; ++i) {
1054 ld_trampolines[i] = s->code_ptr;
1055 emit_ldst_trampoline (s, qemu_ld_helpers[i]);
1057 st_trampolines[i] = s->code_ptr;
1058 emit_ldst_trampoline (s, qemu_st_helpers[i]);
1063 static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg1,
1066 tcg_out_ldst (s, ret, arg1, arg2, LWZ, LWZX);
1069 static void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, TCGReg arg1,
1072 tcg_out_ldst (s, arg, arg1, arg2, STW, STWX);
1075 static void ppc_addi (TCGContext *s, int rt, int ra, tcg_target_long si)
1077 if (!si && rt == ra)
1080 if (si == (int16_t) si)
1081 tcg_out32 (s, ADDI | RT (rt) | RA (ra) | (si & 0xffff));
1083 uint16_t h = ((si >> 16) & 0xffff) + ((uint16_t) si >> 15);
1084 tcg_out32 (s, ADDIS | RT (rt) | RA (ra) | h);
1085 tcg_out32 (s, ADDI | RT (rt) | RA (rt) | (si & 0xffff));
1089 static void tcg_out_cmp (TCGContext *s, int cond, TCGArg arg1, TCGArg arg2,
1090 int const_arg2, int cr)
1099 if ((int16_t) arg2 == arg2) {
1104 else if ((uint16_t) arg2 == arg2) {
1119 if ((int16_t) arg2 == arg2) {
1134 if ((uint16_t) arg2 == arg2) {
1150 tcg_out32 (s, op | RA (arg1) | (arg2 & 0xffff));
1153 tcg_out_movi (s, TCG_TYPE_I32, 0, arg2);
1154 tcg_out32 (s, op | RA (arg1) | RB (0));
1157 tcg_out32 (s, op | RA (arg1) | RB (arg2));
1162 static void tcg_out_bc (TCGContext *s, int bc, int label_index)
1164 TCGLabel *l = &s->labels[label_index];
1167 tcg_out32 (s, bc | reloc_pc14_val (s->code_ptr, l->u.value));
1169 uint16_t val = *(uint16_t *) &s->code_ptr[2];
1171 /* Thanks to Andrzej Zaborowski */
1172 tcg_out32 (s, bc | (val & 0xfffc));
1173 tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL14, label_index, 0);
1177 static void tcg_out_cr7eq_from_cond (TCGContext *s, const TCGArg *args,
1178 const int *const_args)
1180 TCGCond cond = args[4];
1182 struct { int bit1; int bit2; int cond2; } bits[] = {
1183 [TCG_COND_LT ] = { CR_LT, CR_LT, TCG_COND_LT },
1184 [TCG_COND_LE ] = { CR_LT, CR_GT, TCG_COND_LT },
1185 [TCG_COND_GT ] = { CR_GT, CR_GT, TCG_COND_GT },
1186 [TCG_COND_GE ] = { CR_GT, CR_LT, TCG_COND_GT },
1187 [TCG_COND_LTU] = { CR_LT, CR_LT, TCG_COND_LTU },
1188 [TCG_COND_LEU] = { CR_LT, CR_GT, TCG_COND_LTU },
1189 [TCG_COND_GTU] = { CR_GT, CR_GT, TCG_COND_GTU },
1190 [TCG_COND_GEU] = { CR_GT, CR_LT, TCG_COND_GTU },
1191 }, *b = &bits[cond];
1196 op = (cond == TCG_COND_EQ) ? CRAND : CRNAND;
1197 tcg_out_cmp (s, cond, args[0], args[2], const_args[2], 6);
1198 tcg_out_cmp (s, cond, args[1], args[3], const_args[3], 7);
1199 tcg_out32 (s, op | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ));
1209 op = (b->bit1 != b->bit2) ? CRANDC : CRAND;
1210 tcg_out_cmp (s, b->cond2, args[1], args[3], const_args[3], 5);
1211 tcg_out_cmp (s, tcg_unsigned_cond (cond), args[0], args[2],
1213 tcg_out32 (s, op | BT (7, CR_EQ) | BA (5, CR_EQ) | BB (7, b->bit2));
1214 tcg_out32 (s, CROR | BT (7, CR_EQ) | BA (5, b->bit1) | BB (7, CR_EQ));
1221 static void tcg_out_setcond (TCGContext *s, TCGCond cond, TCGArg arg0,
1222 TCGArg arg1, TCGArg arg2, int const_arg2)
1234 if ((uint16_t) arg2 == arg2) {
1235 tcg_out32 (s, XORI | RS (arg1) | RA (0) | arg2);
1238 tcg_out_movi (s, TCG_TYPE_I32, 0, arg2);
1239 tcg_out32 (s, XOR | SAB (arg1, 0, 0));
1245 tcg_out32 (s, XOR | SAB (arg1, 0, arg2));
1247 tcg_out32 (s, CNTLZW | RS (arg) | RA (0));
1248 tcg_out32 (s, (RLWINM
1265 if ((uint16_t) arg2 == arg2) {
1266 tcg_out32 (s, XORI | RS (arg1) | RA (0) | arg2);
1269 tcg_out_movi (s, TCG_TYPE_I32, 0, arg2);
1270 tcg_out32 (s, XOR | SAB (arg1, 0, 0));
1276 tcg_out32 (s, XOR | SAB (arg1, 0, arg2));
1279 if (arg == arg1 && arg1 == arg0) {
1280 tcg_out32 (s, ADDIC | RT (0) | RA (arg) | 0xffff);
1281 tcg_out32 (s, SUBFE | TAB (arg0, 0, arg));
1284 tcg_out32 (s, ADDIC | RT (arg0) | RA (arg) | 0xffff);
1285 tcg_out32 (s, SUBFE | TAB (arg0, arg0, arg));
1304 crop = CRNOR | BT (7, CR_EQ) | BA (7, CR_LT) | BB (7, CR_LT);
1310 crop = CRNOR | BT (7, CR_EQ) | BA (7, CR_GT) | BB (7, CR_GT);
1312 tcg_out_cmp (s, cond, arg1, arg2, const_arg2, 7);
1313 if (crop) tcg_out32 (s, crop);
1314 tcg_out32 (s, MFCR | RT (0));
1315 tcg_out32 (s, (RLWINM
1330 static void tcg_out_setcond2 (TCGContext *s, const TCGArg *args,
1331 const int *const_args)
1333 tcg_out_cr7eq_from_cond (s, args + 1, const_args + 1);
1334 tcg_out32 (s, MFCR | RT (0));
1335 tcg_out32 (s, (RLWINM
1345 static void tcg_out_movcond (TCGContext *s, TCGCond cond,
1347 TCGArg c1, TCGArg c2,
1348 TCGArg v1, TCGArg v2,
1351 tcg_out_cmp (s, cond, c1, c2, const_c2, 7);
1354 /* At least here on 7747A bit twiddling hacks are outperformed
1355 by jumpy code (the testing was not scientific) */
1357 cond = tcg_invert_cond (cond);
1362 tcg_out_mov (s, TCG_TYPE_I32, dest, v1);
1365 /* Branch forward over one insn */
1366 tcg_out32 (s, tcg_to_bc[cond] | 8);
1367 tcg_out_mov (s, TCG_TYPE_I32, dest, v2);
1370 /* isel version, "if (1)" above should be replaced once a way
1371 to figure out availability of isel on the underlying
1372 hardware is found */
1377 tab = TAB (dest, v1, v2);
1381 tab = TAB (dest, v2, v1);
1386 tab = TAB (dest, v1, v2);
1391 tab = TAB (dest, v2, v1);
1396 tab = TAB (dest, v2, v1);
1401 tab = TAB (dest, v1, v2);
1407 tcg_out32 (s, ISEL | tab | ((bc + 28) << 6));
1411 static void tcg_out_brcond (TCGContext *s, TCGCond cond,
1412 TCGArg arg1, TCGArg arg2, int const_arg2,
1415 tcg_out_cmp (s, cond, arg1, arg2, const_arg2, 7);
1416 tcg_out_bc (s, tcg_to_bc[cond], label_index);
1419 /* XXX: we implement it at the target level to avoid having to
1420 handle cross basic blocks temporaries */
1421 static void tcg_out_brcond2 (TCGContext *s, const TCGArg *args,
1422 const int *const_args)
1424 tcg_out_cr7eq_from_cond (s, args, const_args);
1425 tcg_out_bc (s, (BC | BI (7, CR_EQ) | BO_COND_TRUE), args[5]);
1428 void ppc_tb_set_jmp_target (unsigned long jmp_addr, unsigned long addr)
1431 long disp = addr - jmp_addr;
1432 unsigned long patch_size;
1434 ptr = (uint32_t *)jmp_addr;
1436 if ((disp << 6) >> 6 != disp) {
1437 ptr[0] = 0x3c000000 | (addr >> 16); /* lis 0,addr@ha */
1438 ptr[1] = 0x60000000 | (addr & 0xffff); /* la 0,addr@l(0) */
1439 ptr[2] = 0x7c0903a6; /* mtctr 0 */
1440 ptr[3] = 0x4e800420; /* brctr */
1443 /* patch the branch destination */
1445 *ptr = 0x48000000 | (disp & 0x03fffffc); /* b disp */
1448 ptr[0] = 0x60000000; /* nop */
1449 ptr[1] = 0x60000000;
1450 ptr[2] = 0x60000000;
1451 ptr[3] = 0x60000000;
1456 flush_icache_range(jmp_addr, jmp_addr + patch_size);
1459 static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
1460 const int *const_args)
1463 case INDEX_op_exit_tb:
1464 tcg_out_movi (s, TCG_TYPE_I32, TCG_REG_R3, args[0]);
1465 tcg_out_b (s, 0, (tcg_target_long) tb_ret_addr);
1467 case INDEX_op_goto_tb:
1468 if (s->tb_jmp_offset) {
1469 /* direct jump method */
1471 s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
1477 s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
1481 TCGLabel *l = &s->labels[args[0]];
1484 tcg_out_b (s, 0, l->u.value);
1487 uint32_t val = *(uint32_t *) s->code_ptr;
1489 /* Thanks to Andrzej Zaborowski */
1490 tcg_out32 (s, B | (val & 0x3fffffc));
1491 tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL24, args[0], 0);
1496 tcg_out_call (s, args[0], const_args[0]);
1498 case INDEX_op_movi_i32:
1499 tcg_out_movi(s, TCG_TYPE_I32, args[0], args[1]);
1501 case INDEX_op_ld8u_i32:
1502 tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX);
1504 case INDEX_op_ld8s_i32:
1505 tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX);
1506 tcg_out32 (s, EXTSB | RS (args[0]) | RA (args[0]));
1508 case INDEX_op_ld16u_i32:
1509 tcg_out_ldst (s, args[0], args[1], args[2], LHZ, LHZX);
1511 case INDEX_op_ld16s_i32:
1512 tcg_out_ldst (s, args[0], args[1], args[2], LHA, LHAX);
1514 case INDEX_op_ld_i32:
1515 tcg_out_ldst (s, args[0], args[1], args[2], LWZ, LWZX);
1517 case INDEX_op_st8_i32:
1518 tcg_out_ldst (s, args[0], args[1], args[2], STB, STBX);
1520 case INDEX_op_st16_i32:
1521 tcg_out_ldst (s, args[0], args[1], args[2], STH, STHX);
1523 case INDEX_op_st_i32:
1524 tcg_out_ldst (s, args[0], args[1], args[2], STW, STWX);
1527 case INDEX_op_add_i32:
1529 ppc_addi (s, args[0], args[1], args[2]);
1531 tcg_out32 (s, ADD | TAB (args[0], args[1], args[2]));
1533 case INDEX_op_sub_i32:
1535 ppc_addi (s, args[0], args[1], -args[2]);
1537 tcg_out32 (s, SUBF | TAB (args[0], args[2], args[1]));
1540 case INDEX_op_and_i32:
1541 if (const_args[2]) {
1547 tcg_out_movi (s, TCG_TYPE_I32, args[0], 0);
1557 if ((t & (t - 1)) == 0) {
1560 if ((c & 0x80000001) == 0x80000001) {
1575 tcg_out32 (s, (RLWINM
1585 #endif /* !__PPU__ */
1587 if ((c & 0xffff) == c)
1588 tcg_out32 (s, ANDI | RS (args[1]) | RA (args[0]) | c);
1589 else if ((c & 0xffff0000) == c)
1590 tcg_out32 (s, ANDIS | RS (args[1]) | RA (args[0])
1591 | ((c >> 16) & 0xffff));
1593 tcg_out_movi (s, TCG_TYPE_I32, 0, c);
1594 tcg_out32 (s, AND | SAB (args[1], args[0], 0));
1599 tcg_out32 (s, AND | SAB (args[1], args[0], args[2]));
1601 case INDEX_op_or_i32:
1602 if (const_args[2]) {
1603 if (args[2] & 0xffff) {
1604 tcg_out32 (s, ORI | RS (args[1]) | RA (args[0])
1605 | (args[2] & 0xffff));
1607 tcg_out32 (s, ORIS | RS (args[0]) | RA (args[0])
1608 | ((args[2] >> 16) & 0xffff));
1611 tcg_out32 (s, ORIS | RS (args[1]) | RA (args[0])
1612 | ((args[2] >> 16) & 0xffff));
1616 tcg_out32 (s, OR | SAB (args[1], args[0], args[2]));
1618 case INDEX_op_xor_i32:
1619 if (const_args[2]) {
1620 if ((args[2] & 0xffff) == args[2])
1621 tcg_out32 (s, XORI | RS (args[1]) | RA (args[0])
1622 | (args[2] & 0xffff));
1623 else if ((args[2] & 0xffff0000) == args[2])
1624 tcg_out32 (s, XORIS | RS (args[1]) | RA (args[0])
1625 | ((args[2] >> 16) & 0xffff));
1627 tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]);
1628 tcg_out32 (s, XOR | SAB (args[1], args[0], 0));
1632 tcg_out32 (s, XOR | SAB (args[1], args[0], args[2]));
1634 case INDEX_op_andc_i32:
1635 tcg_out32 (s, ANDC | SAB (args[1], args[0], args[2]));
1637 case INDEX_op_orc_i32:
1638 tcg_out32 (s, ORC | SAB (args[1], args[0], args[2]));
1640 case INDEX_op_eqv_i32:
1641 tcg_out32 (s, EQV | SAB (args[1], args[0], args[2]));
1643 case INDEX_op_nand_i32:
1644 tcg_out32 (s, NAND | SAB (args[1], args[0], args[2]));
1646 case INDEX_op_nor_i32:
1647 tcg_out32 (s, NOR | SAB (args[1], args[0], args[2]));
1650 case INDEX_op_mul_i32:
1651 if (const_args[2]) {
1652 if (args[2] == (int16_t) args[2])
1653 tcg_out32 (s, MULLI | RT (args[0]) | RA (args[1])
1654 | (args[2] & 0xffff));
1656 tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]);
1657 tcg_out32 (s, MULLW | TAB (args[0], args[1], 0));
1661 tcg_out32 (s, MULLW | TAB (args[0], args[1], args[2]));
1664 case INDEX_op_div_i32:
1665 tcg_out32 (s, DIVW | TAB (args[0], args[1], args[2]));
1668 case INDEX_op_divu_i32:
1669 tcg_out32 (s, DIVWU | TAB (args[0], args[1], args[2]));
1672 case INDEX_op_mulu2_i32:
1673 if (args[0] == args[2] || args[0] == args[3]) {
1674 tcg_out32 (s, MULLW | TAB (0, args[2], args[3]));
1675 tcg_out32 (s, MULHWU | TAB (args[1], args[2], args[3]));
1676 tcg_out_mov (s, TCG_TYPE_I32, args[0], 0);
1679 tcg_out32 (s, MULLW | TAB (args[0], args[2], args[3]));
1680 tcg_out32 (s, MULHWU | TAB (args[1], args[2], args[3]));
1684 case INDEX_op_shl_i32:
1685 if (const_args[2]) {
1686 tcg_out32 (s, (RLWINM
1696 tcg_out32 (s, SLW | SAB (args[1], args[0], args[2]));
1698 case INDEX_op_shr_i32:
1699 if (const_args[2]) {
1700 tcg_out32 (s, (RLWINM
1710 tcg_out32 (s, SRW | SAB (args[1], args[0], args[2]));
1712 case INDEX_op_sar_i32:
1714 tcg_out32 (s, SRAWI | RS (args[1]) | RA (args[0]) | SH (args[2]));
1716 tcg_out32 (s, SRAW | SAB (args[1], args[0], args[2]));
1718 case INDEX_op_rotl_i32:
1725 | (const_args[2] ? RLWINM | SH (args[2])
1726 : RLWNM | RB (args[2]))
1731 case INDEX_op_rotr_i32:
1732 if (const_args[2]) {
1734 tcg_out_mov (s, TCG_TYPE_I32, args[0], args[1]);
1737 tcg_out32 (s, RLWINM
1747 tcg_out32 (s, SUBFIC | RT (0) | RA (args[2]) | 32);
1758 case INDEX_op_add2_i32:
1759 if (args[0] == args[3] || args[0] == args[5]) {
1760 tcg_out32 (s, ADDC | TAB (0, args[2], args[4]));
1761 tcg_out32 (s, ADDE | TAB (args[1], args[3], args[5]));
1762 tcg_out_mov (s, TCG_TYPE_I32, args[0], 0);
1765 tcg_out32 (s, ADDC | TAB (args[0], args[2], args[4]));
1766 tcg_out32 (s, ADDE | TAB (args[1], args[3], args[5]));
1769 case INDEX_op_sub2_i32:
1770 if (args[0] == args[3] || args[0] == args[5]) {
1771 tcg_out32 (s, SUBFC | TAB (0, args[4], args[2]));
1772 tcg_out32 (s, SUBFE | TAB (args[1], args[5], args[3]));
1773 tcg_out_mov (s, TCG_TYPE_I32, args[0], 0);
1776 tcg_out32 (s, SUBFC | TAB (args[0], args[4], args[2]));
1777 tcg_out32 (s, SUBFE | TAB (args[1], args[5], args[3]));
1781 case INDEX_op_brcond_i32:
1786 args[3] = r1 is const
1787 args[4] = label_index
1789 tcg_out_brcond (s, args[2], args[0], args[1], const_args[1], args[3]);
1791 case INDEX_op_brcond2_i32:
1792 tcg_out_brcond2(s, args, const_args);
1795 case INDEX_op_neg_i32:
1796 tcg_out32 (s, NEG | RT (args[0]) | RA (args[1]));
1799 case INDEX_op_not_i32:
1800 tcg_out32 (s, NOR | SAB (args[1], args[0], args[1]));
1803 case INDEX_op_qemu_ld8u:
1804 tcg_out_qemu_ld(s, args, 0);
1806 case INDEX_op_qemu_ld8s:
1807 tcg_out_qemu_ld(s, args, 0 | 4);
1809 case INDEX_op_qemu_ld16u:
1810 tcg_out_qemu_ld(s, args, 1);
1812 case INDEX_op_qemu_ld16s:
1813 tcg_out_qemu_ld(s, args, 1 | 4);
1815 case INDEX_op_qemu_ld32:
1816 tcg_out_qemu_ld(s, args, 2);
1818 case INDEX_op_qemu_ld64:
1819 tcg_out_qemu_ld(s, args, 3);
1821 case INDEX_op_qemu_st8:
1822 tcg_out_qemu_st(s, args, 0);
1824 case INDEX_op_qemu_st16:
1825 tcg_out_qemu_st(s, args, 1);
1827 case INDEX_op_qemu_st32:
1828 tcg_out_qemu_st(s, args, 2);
1830 case INDEX_op_qemu_st64:
1831 tcg_out_qemu_st(s, args, 3);
1834 case INDEX_op_ext8s_i32:
1835 tcg_out32 (s, EXTSB | RS (args[1]) | RA (args[0]));
1837 case INDEX_op_ext8u_i32:
1838 tcg_out32 (s, RLWINM
1846 case INDEX_op_ext16s_i32:
1847 tcg_out32 (s, EXTSH | RS (args[1]) | RA (args[0]));
1849 case INDEX_op_ext16u_i32:
1850 tcg_out32 (s, RLWINM
1859 case INDEX_op_setcond_i32:
1860 tcg_out_setcond (s, args[3], args[0], args[1], args[2], const_args[2]);
1862 case INDEX_op_setcond2_i32:
1863 tcg_out_setcond2 (s, args, const_args);
1866 case INDEX_op_bswap16_i32:
1867 /* Stolen from gcc's builtin_bswap16 */
1871 /* r0 = (a1 << 8) & 0xff00 # 00d0 */
1872 tcg_out32 (s, RLWINM
1880 /* a0 = rotate_left (a1, 24) & 0xff # 000c */
1881 tcg_out32 (s, RLWINM
1889 /* a0 = a0 | r0 # 00dc */
1890 tcg_out32 (s, OR | SAB (0, args[0], args[0]));
1893 case INDEX_op_bswap32_i32:
1894 /* Stolen from gcc's builtin_bswap32 */
1898 /* a1 = args[1] # abcd */
1900 if (a0 == args[1]) {
1904 /* a0 = rotate_left (a1, 8) # bcda */
1905 tcg_out32 (s, RLWINM
1913 /* a0 = (a0 & ~0xff000000) | ((a1 << 24) & 0xff000000) # dcda */
1914 tcg_out32 (s, RLWIMI
1922 /* a0 = (a0 & ~0x0000ff00) | ((a1 << 24) & 0x0000ff00) # dcba */
1923 tcg_out32 (s, RLWIMI
1932 tcg_out_mov (s, TCG_TYPE_I32, args[0], a0);
1937 case INDEX_op_deposit_i32:
1938 tcg_out32 (s, RLWIMI
1942 | MB (32 - args[3] - args[4])
1947 case INDEX_op_movcond_i32:
1948 tcg_out_movcond (s, args[5], args[0],
1960 static const TCGTargetOpDef ppc_op_defs[] = {
1961 { INDEX_op_exit_tb, { } },
1962 { INDEX_op_goto_tb, { } },
1963 { INDEX_op_call, { "ri" } },
1964 { INDEX_op_br, { } },
1966 { INDEX_op_mov_i32, { "r", "r" } },
1967 { INDEX_op_movi_i32, { "r" } },
1968 { INDEX_op_ld8u_i32, { "r", "r" } },
1969 { INDEX_op_ld8s_i32, { "r", "r" } },
1970 { INDEX_op_ld16u_i32, { "r", "r" } },
1971 { INDEX_op_ld16s_i32, { "r", "r" } },
1972 { INDEX_op_ld_i32, { "r", "r" } },
1973 { INDEX_op_st8_i32, { "r", "r" } },
1974 { INDEX_op_st16_i32, { "r", "r" } },
1975 { INDEX_op_st_i32, { "r", "r" } },
1977 { INDEX_op_add_i32, { "r", "r", "ri" } },
1978 { INDEX_op_mul_i32, { "r", "r", "ri" } },
1979 { INDEX_op_div_i32, { "r", "r", "r" } },
1980 { INDEX_op_divu_i32, { "r", "r", "r" } },
1981 { INDEX_op_mulu2_i32, { "r", "r", "r", "r" } },
1982 { INDEX_op_sub_i32, { "r", "r", "ri" } },
1983 { INDEX_op_and_i32, { "r", "r", "ri" } },
1984 { INDEX_op_or_i32, { "r", "r", "ri" } },
1985 { INDEX_op_xor_i32, { "r", "r", "ri" } },
1987 { INDEX_op_shl_i32, { "r", "r", "ri" } },
1988 { INDEX_op_shr_i32, { "r", "r", "ri" } },
1989 { INDEX_op_sar_i32, { "r", "r", "ri" } },
1991 { INDEX_op_rotl_i32, { "r", "r", "ri" } },
1992 { INDEX_op_rotr_i32, { "r", "r", "ri" } },
1994 { INDEX_op_brcond_i32, { "r", "ri" } },
1996 { INDEX_op_add2_i32, { "r", "r", "r", "r", "r", "r" } },
1997 { INDEX_op_sub2_i32, { "r", "r", "r", "r", "r", "r" } },
1998 { INDEX_op_brcond2_i32, { "r", "r", "r", "r" } },
2000 { INDEX_op_neg_i32, { "r", "r" } },
2001 { INDEX_op_not_i32, { "r", "r" } },
2003 { INDEX_op_andc_i32, { "r", "r", "r" } },
2004 { INDEX_op_orc_i32, { "r", "r", "r" } },
2005 { INDEX_op_eqv_i32, { "r", "r", "r" } },
2006 { INDEX_op_nand_i32, { "r", "r", "r" } },
2007 { INDEX_op_nor_i32, { "r", "r", "r" } },
2009 { INDEX_op_setcond_i32, { "r", "r", "ri" } },
2010 { INDEX_op_setcond2_i32, { "r", "r", "r", "ri", "ri" } },
2012 { INDEX_op_bswap16_i32, { "r", "r" } },
2013 { INDEX_op_bswap32_i32, { "r", "r" } },
2015 #if TARGET_LONG_BITS == 32
2016 { INDEX_op_qemu_ld8u, { "r", "L" } },
2017 { INDEX_op_qemu_ld8s, { "r", "L" } },
2018 { INDEX_op_qemu_ld16u, { "r", "L" } },
2019 { INDEX_op_qemu_ld16s, { "r", "L" } },
2020 { INDEX_op_qemu_ld32, { "r", "L" } },
2021 { INDEX_op_qemu_ld64, { "r", "r", "L" } },
2023 { INDEX_op_qemu_st8, { "K", "K" } },
2024 { INDEX_op_qemu_st16, { "K", "K" } },
2025 { INDEX_op_qemu_st32, { "K", "K" } },
2026 { INDEX_op_qemu_st64, { "M", "M", "M" } },
2028 { INDEX_op_qemu_ld8u, { "r", "L", "L" } },
2029 { INDEX_op_qemu_ld8s, { "r", "L", "L" } },
2030 { INDEX_op_qemu_ld16u, { "r", "L", "L" } },
2031 { INDEX_op_qemu_ld16s, { "r", "L", "L" } },
2032 { INDEX_op_qemu_ld32, { "r", "L", "L" } },
2033 { INDEX_op_qemu_ld64, { "r", "L", "L", "L" } },
2035 { INDEX_op_qemu_st8, { "K", "K", "K" } },
2036 { INDEX_op_qemu_st16, { "K", "K", "K" } },
2037 { INDEX_op_qemu_st32, { "K", "K", "K" } },
2038 { INDEX_op_qemu_st64, { "M", "M", "M", "M" } },
2041 { INDEX_op_ext8s_i32, { "r", "r" } },
2042 { INDEX_op_ext8u_i32, { "r", "r" } },
2043 { INDEX_op_ext16s_i32, { "r", "r" } },
2044 { INDEX_op_ext16u_i32, { "r", "r" } },
2046 { INDEX_op_deposit_i32, { "r", "0", "r" } },
2047 { INDEX_op_movcond_i32, { "r", "r", "ri", "r", "r" } },
2052 static void tcg_target_init(TCGContext *s)
2054 tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff);
2055 tcg_regset_set32(tcg_target_call_clobber_regs, 0,
2057 #ifdef TCG_TARGET_CALL_DARWIN
2067 (1 << TCG_REG_R10) |
2068 (1 << TCG_REG_R11) |
2072 tcg_regset_clear(s->reserved_regs);
2073 tcg_regset_set_reg(s->reserved_regs, TCG_REG_R0);
2074 tcg_regset_set_reg(s->reserved_regs, TCG_REG_R1);
2075 #ifndef TCG_TARGET_CALL_DARWIN
2076 tcg_regset_set_reg(s->reserved_regs, TCG_REG_R2);
2079 tcg_regset_set_reg(s->reserved_regs, TCG_REG_R13);
2082 tcg_add_target_add_op_defs(ppc_op_defs);