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Avoid compiler warning
[qemu-kvm/fedora.git] / tcg / ppc64 / tcg-target.c
blob5ccb2f4e61383e02ed6d0616ca842301731ac9b5
1 /*
2 * Tiny Code Generator for QEMU
3 *
4 * Copyright (c) 2008 Fabrice Bellard
5 *
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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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
22 * THE SOFTWARE.
23 */
24
25 #define TCG_CT_CONST_U32 0x100
26
27 static uint8_t *tb_ret_addr;
28
29 #define FAST_PATH
30
31 #if TARGET_PHYS_ADDR_BITS == 32
32 #define LD_ADDEND LWZ
33 #else
34 #define LD_ADDEND LD
35 #endif
36
37 #if TARGET_LONG_BITS == 32
38 #define LD_ADDR LWZU
39 #define CMP_L 0
40 #else
41 #define LD_ADDR LDU
42 #define CMP_L (1<<21)
43 #endif
44
45 #ifndef NDEBUG
46 static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
47 "r0",
48 "r1",
49 "rp",
50 "r3",
51 "r4",
52 "r5",
53 "r6",
54 "r7",
55 "r8",
56 "r9",
57 "r10",
58 "r11",
59 "r12",
60 "r13",
61 "r14",
62 "r15",
63 "r16",
64 "r17",
65 "r18",
66 "r19",
67 "r20",
68 "r21",
69 "r22",
70 "r23",
71 "r24",
72 "r25",
73 "r26",
74 "r27",
75 "r28",
76 "r29",
77 "r30",
78 "r31"
79 };
80 #endif
81
82 static const int tcg_target_reg_alloc_order[] = {
83 TCG_REG_R14,
84 TCG_REG_R15,
85 TCG_REG_R16,
86 TCG_REG_R17,
87 TCG_REG_R18,
88 TCG_REG_R19,
89 TCG_REG_R20,
90 TCG_REG_R21,
91 TCG_REG_R22,
92 TCG_REG_R23,
93 TCG_REG_R28,
94 TCG_REG_R29,
95 TCG_REG_R30,
96 TCG_REG_R31,
97 TCG_REG_R3,
98 TCG_REG_R4,
99 TCG_REG_R5,
100 TCG_REG_R6,
101 TCG_REG_R7,
102 TCG_REG_R8,
103 TCG_REG_R9,
104 TCG_REG_R10,
105 TCG_REG_R11,
106 TCG_REG_R12,
107 TCG_REG_R13,
108 TCG_REG_R0,
109 TCG_REG_R1,
110 TCG_REG_R2,
111 TCG_REG_R24,
112 TCG_REG_R25,
113 TCG_REG_R26,
114 TCG_REG_R27
115 };
116
117 static const int tcg_target_call_iarg_regs[] = {
118 TCG_REG_R3,
119 TCG_REG_R4,
120 TCG_REG_R5,
121 TCG_REG_R6,
122 TCG_REG_R7,
123 TCG_REG_R8,
124 TCG_REG_R9,
125 TCG_REG_R10
126 };
127
128 static const int tcg_target_call_oarg_regs[2] = {
129 TCG_REG_R3
130 };
131
132 static const int tcg_target_callee_save_regs[] = {
133 TCG_REG_R14,
134 TCG_REG_R15,
135 TCG_REG_R16,
136 TCG_REG_R17,
137 TCG_REG_R18,
138 TCG_REG_R19,
139 TCG_REG_R20,
140 TCG_REG_R21,
141 TCG_REG_R22,
142 TCG_REG_R23,
143 TCG_REG_R28,
144 TCG_REG_R29,
145 TCG_REG_R30,
146 TCG_REG_R31
147 };
148
149 static uint32_t reloc_pc24_val (void *pc, tcg_target_long target)
150 {
151 tcg_target_long disp;
152
153 disp = target - (tcg_target_long) pc;
154 if ((disp << 38) >> 38 != disp)
155 tcg_abort ();
156
157 return disp & 0x3fffffc;
158 }
159
160 static void reloc_pc24 (void *pc, tcg_target_long target)
161 {
162 *(uint32_t *) pc = (*(uint32_t *) pc & ~0x3fffffc)
163 | reloc_pc24_val (pc, target);
164 }
165
166 static uint16_t reloc_pc14_val (void *pc, tcg_target_long target)
167 {
168 tcg_target_long disp;
169
170 disp = target - (tcg_target_long) pc;
171 if (disp != (int16_t) disp)
172 tcg_abort ();
173
174 return disp & 0xfffc;
175 }
176
177 static void reloc_pc14 (void *pc, tcg_target_long target)
178 {
179 *(uint32_t *) pc = (*(uint32_t *) pc & ~0xfffc)
180 | reloc_pc14_val (pc, target);
181 }
182
183 static void patch_reloc (uint8_t *code_ptr, int type,
184 tcg_target_long value, tcg_target_long addend)
185 {
186 value += addend;
187 switch (type) {
188 case R_PPC_REL14:
189 reloc_pc14 (code_ptr, value);
190 break;
191 case R_PPC_REL24:
192 reloc_pc24 (code_ptr, value);
193 break;
194 default:
195 tcg_abort ();
196 }
197 }
198
199 /* maximum number of register used for input function arguments */
200 static int tcg_target_get_call_iarg_regs_count (int flags)
201 {
202 return sizeof (tcg_target_call_iarg_regs) / sizeof (tcg_target_call_iarg_regs[0]);
203 }
204
205 /* parse target specific constraints */
206 static int target_parse_constraint (TCGArgConstraint *ct, const char **pct_str)
207 {
208 const char *ct_str;
209
210 ct_str = *pct_str;
211 switch (ct_str[0]) {
212 case 'A': case 'B': case 'C': case 'D':
213 ct->ct |= TCG_CT_REG;
214 tcg_regset_set_reg (ct->u.regs, 3 + ct_str[0] - 'A');
215 break;
216 case 'r':
217 ct->ct |= TCG_CT_REG;
218 tcg_regset_set32 (ct->u.regs, 0, 0xffffffff);
219 break;
220 case 'L': /* qemu_ld constraint */
221 ct->ct |= TCG_CT_REG;
222 tcg_regset_set32 (ct->u.regs, 0, 0xffffffff);
223 tcg_regset_reset_reg (ct->u.regs, TCG_REG_R3);
224 #ifdef CONFIG_SOFTMMU
225 tcg_regset_reset_reg (ct->u.regs, TCG_REG_R4);
226 #endif
227 break;
228 case 'S': /* qemu_st constraint */
229 ct->ct |= TCG_CT_REG;
230 tcg_regset_set32 (ct->u.regs, 0, 0xffffffff);
231 tcg_regset_reset_reg (ct->u.regs, TCG_REG_R3);
232 #ifdef CONFIG_SOFTMMU
233 tcg_regset_reset_reg (ct->u.regs, TCG_REG_R4);
234 tcg_regset_reset_reg (ct->u.regs, TCG_REG_R5);
235 #endif
236 break;
237 case 'Z':
238 ct->ct |= TCG_CT_CONST_U32;
239 break;
240 default:
241 return -1;
242 }
243 ct_str++;
244 *pct_str = ct_str;
245 return 0;
246 }
247
248 /* test if a constant matches the constraint */
249 static int tcg_target_const_match (tcg_target_long val,
250 const TCGArgConstraint *arg_ct)
251 {
252 int ct;
253
254 ct = arg_ct->ct;
255 if (ct & TCG_CT_CONST)
256 return 1;
257 else if ((ct & TCG_CT_CONST_U32) && (val == (uint32_t) val))
258 return 1;
259 return 0;
260 }
261
262 #define OPCD(opc) ((opc)<<26)
263 #define XO19(opc) (OPCD(19)|((opc)<<1))
264 #define XO30(opc) (OPCD(30)|((opc)<<2))
265 #define XO31(opc) (OPCD(31)|((opc)<<1))
266 #define XO58(opc) (OPCD(58)|(opc))
267 #define XO62(opc) (OPCD(62)|(opc))
268
269 #define B OPCD( 18)
270 #define BC OPCD( 16)
271 #define LBZ OPCD( 34)
272 #define LHZ OPCD( 40)
273 #define LHA OPCD( 42)
274 #define LWZ OPCD( 32)
275 #define STB OPCD( 38)
276 #define STH OPCD( 44)
277 #define STW OPCD( 36)
278
279 #define STD XO62( 0)
280 #define STDU XO62( 1)
281 #define STDX XO31(149)
282
283 #define LD XO58( 0)
284 #define LDX XO31( 21)
285 #define LDU XO58( 1)
286 #define LWA XO58( 2)
287 #define LWAX XO31(341)
288
289 #define ADDI OPCD( 14)
290 #define ADDIS OPCD( 15)
291 #define ORI OPCD( 24)
292 #define ORIS OPCD( 25)
293 #define XORI OPCD( 26)
294 #define XORIS OPCD( 27)
295 #define ANDI OPCD( 28)
296 #define ANDIS OPCD( 29)
297 #define MULLI OPCD( 7)
298 #define CMPLI OPCD( 10)
299 #define CMPI OPCD( 11)
300
301 #define LWZU OPCD( 33)
302 #define STWU OPCD( 37)
303
304 #define RLWINM OPCD( 21)
305
306 #define RLDICL XO30( 0)
307 #define RLDICR XO30( 1)
308 #define RLDIMI XO30( 3)
309
310 #define BCLR XO19( 16)
311 #define BCCTR XO19(528)
312 #define CRAND XO19(257)
313 #define CRANDC XO19(129)
314 #define CRNAND XO19(225)
315 #define CROR XO19(449)
316
317 #define EXTSB XO31(954)
318 #define EXTSH XO31(922)
319 #define EXTSW XO31(986)
320 #define ADD XO31(266)
321 #define ADDE XO31(138)
322 #define ADDC XO31( 10)
323 #define AND XO31( 28)
324 #define SUBF XO31( 40)
325 #define SUBFC XO31( 8)
326 #define SUBFE XO31(136)
327 #define OR XO31(444)
328 #define XOR XO31(316)
329 #define MULLW XO31(235)
330 #define MULHWU XO31( 11)
331 #define DIVW XO31(491)
332 #define DIVWU XO31(459)
333 #define CMP XO31( 0)
334 #define CMPL XO31( 32)
335 #define LHBRX XO31(790)
336 #define LWBRX XO31(534)
337 #define STHBRX XO31(918)
338 #define STWBRX XO31(662)
339 #define MFSPR XO31(339)
340 #define MTSPR XO31(467)
341 #define SRAWI XO31(824)
342 #define NEG XO31(104)
343
344 #define MULLD XO31(233)
345 #define MULHD XO31( 73)
346 #define MULHDU XO31( 9)
347 #define DIVD XO31(489)
348 #define DIVDU XO31(457)
349
350 #define LBZX XO31( 87)
351 #define LHZX XO31(276)
352 #define LHAX XO31(343)
353 #define LWZX XO31( 23)
354 #define STBX XO31(215)
355 #define STHX XO31(407)
356 #define STWX XO31(151)
357
358 #define SPR(a,b) ((((a)<<5)|(b))<<11)
359 #define LR SPR(8, 0)
360 #define CTR SPR(9, 0)
361
362 #define SLW XO31( 24)
363 #define SRW XO31(536)
364 #define SRAW XO31(792)
365
366 #define SLD XO31( 27)
367 #define SRD XO31(539)
368 #define SRAD XO31(794)
369 #define SRADI XO31(413<<1)
370
371 #define LMW OPCD( 46)
372 #define STMW OPCD( 47)
373
374 #define TW XO31( 4)
375 #define TRAP (TW | TO (31))
376
377 #define RT(r) ((r)<<21)
378 #define RS(r) ((r)<<21)
379 #define RA(r) ((r)<<16)
380 #define RB(r) ((r)<<11)
381 #define TO(t) ((t)<<21)
382 #define SH(s) ((s)<<11)
383 #define MB(b) ((b)<<6)
384 #define ME(e) ((e)<<1)
385 #define BO(o) ((o)<<21)
386 #define MB64(b) ((b)<<5)
387
388 #define LK 1
389
390 #define TAB(t,a,b) (RT(t) | RA(a) | RB(b))
391 #define SAB(s,a,b) (RS(s) | RA(a) | RB(b))
392
393 #define BF(n) ((n)<<23)
394 #define BI(n, c) (((c)+((n)*4))<<16)
395 #define BT(n, c) (((c)+((n)*4))<<21)
396 #define BA(n, c) (((c)+((n)*4))<<16)
397 #define BB(n, c) (((c)+((n)*4))<<11)
398
399 #define BO_COND_TRUE BO (12)
400 #define BO_COND_FALSE BO ( 4)
401 #define BO_ALWAYS BO (20)
402
403 enum {
404 CR_LT,
405 CR_GT,
406 CR_EQ,
407 CR_SO
408 };
409
410 static const uint32_t tcg_to_bc[10] = {
411 [TCG_COND_EQ] = BC | BI (7, CR_EQ) | BO_COND_TRUE,
412 [TCG_COND_NE] = BC | BI (7, CR_EQ) | BO_COND_FALSE,
413 [TCG_COND_LT] = BC | BI (7, CR_LT) | BO_COND_TRUE,
414 [TCG_COND_GE] = BC | BI (7, CR_LT) | BO_COND_FALSE,
415 [TCG_COND_LE] = BC | BI (7, CR_GT) | BO_COND_FALSE,
416 [TCG_COND_GT] = BC | BI (7, CR_GT) | BO_COND_TRUE,
417 [TCG_COND_LTU] = BC | BI (7, CR_LT) | BO_COND_TRUE,
418 [TCG_COND_GEU] = BC | BI (7, CR_LT) | BO_COND_FALSE,
419 [TCG_COND_LEU] = BC | BI (7, CR_GT) | BO_COND_FALSE,
420 [TCG_COND_GTU] = BC | BI (7, CR_GT) | BO_COND_TRUE,
421 };
422
423 static void tcg_out_mov (TCGContext *s, int ret, int arg)
424 {
425 tcg_out32 (s, OR | SAB (arg, ret, arg));
426 }
427
428 static void tcg_out_rld (TCGContext *s, int op, int ra, int rs, int sh, int mb)
429 {
430 sh = SH (sh & 0x1f) | (((sh >> 5) & 1) << 1);
431 mb = MB64 ((mb >> 5) | ((mb << 1) & 0x3f));
432 tcg_out32 (s, op | RA (ra) | RS (rs) | sh | mb);
433 }
434
435 static void tcg_out_movi32 (TCGContext *s, int ret, int32_t arg)
436 {
437 if (arg == (int16_t) arg)
438 tcg_out32 (s, ADDI | RT (ret) | RA (0) | (arg & 0xffff));
439 else {
440 tcg_out32 (s, ADDIS | RT (ret) | RA (0) | ((arg >> 16) & 0xffff));
441 if (arg & 0xffff)
442 tcg_out32 (s, ORI | RS (ret) | RA (ret) | (arg & 0xffff));
443 }
444 }
445
446 static void tcg_out_movi (TCGContext *s, TCGType type,
447 int ret, tcg_target_long arg)
448 {
449 int32_t arg32 = arg;
450
451 if (type == TCG_TYPE_I32 || arg == arg32) {
452 tcg_out_movi32 (s, ret, arg32);
453 }
454 else {
455 if ((uint64_t) arg >> 32) {
456 uint16_t h16 = arg >> 16;
457 uint16_t l16 = arg;
458
459 tcg_out_movi32 (s, ret, arg >> 32);
460 tcg_out_rld (s, RLDICR, ret, ret, 32, 31);
461 if (h16) tcg_out32 (s, ORIS | RS (ret) | RA (ret) | h16);
462 if (l16) tcg_out32 (s, ORI | RS (ret) | RA (ret) | l16);
463 }
464 else {
465 tcg_out_movi32 (s, ret, arg32);
466 if (arg32 < 0)
467 tcg_out_rld (s, RLDICL, ret, ret, 0, 32);
468 }
469 }
470 }
471
472 static void tcg_out_call (TCGContext *s, tcg_target_long arg, int const_arg)
473 {
474 int reg;
475
476 if (const_arg) {
477 reg = 2;
478 tcg_out_movi (s, TCG_TYPE_I64, reg, arg);
479 }
480 else reg = arg;
481
482 tcg_out32 (s, LD | RT (0) | RA (reg));
483 tcg_out32 (s, MTSPR | RA (0) | CTR);
484 tcg_out32 (s, LD | RT (11) | RA (reg) | 16);
485 tcg_out32 (s, LD | RT (2) | RA (reg) | 8);
486 tcg_out32 (s, BCCTR | BO_ALWAYS | LK);
487 }
488
489 static void tcg_out_ldst (TCGContext *s, int ret, int addr,
490 int offset, int op1, int op2)
491 {
492 if (offset == (int16_t) offset)
493 tcg_out32 (s, op1 | RT (ret) | RA (addr) | (offset & 0xffff));
494 else {
495 tcg_out_movi (s, TCG_TYPE_I64, 0, offset);
496 tcg_out32 (s, op2 | RT (ret) | RA (addr) | RB (0));
497 }
498 }
499
500 static void tcg_out_ldsta (TCGContext *s, int ret, int addr,
501 int offset, int op1, int op2)
502 {
503 if (offset == (int16_t) (offset & ~3))
504 tcg_out32 (s, op1 | RT (ret) | RA (addr) | (offset & 0xffff));
505 else {
506 tcg_out_movi (s, TCG_TYPE_I64, 0, offset);
507 tcg_out32 (s, op2 | RT (ret) | RA (addr) | RB (0));
508 }
509 }
510
511 static void tcg_out_b (TCGContext *s, int mask, tcg_target_long target)
512 {
513 tcg_target_long disp;
514
515 disp = target - (tcg_target_long) s->code_ptr;
516 if ((disp << 38) >> 38 == disp)
517 tcg_out32 (s, B | (disp & 0x3fffffc) | mask);
518 else {
519 tcg_out_movi (s, TCG_TYPE_I64, 0, (tcg_target_long) target);
520 tcg_out32 (s, MTSPR | RS (0) | CTR);
521 tcg_out32 (s, BCCTR | BO_ALWAYS | mask);
522 }
523 }
524
525 #if defined (CONFIG_SOFTMMU)
526
527 #include "../../softmmu_defs.h"
528
529 static void *qemu_ld_helpers[4] = {
530 __ldb_mmu,
531 __ldw_mmu,
532 __ldl_mmu,
533 __ldq_mmu,
534 };
535
536 static void *qemu_st_helpers[4] = {
537 __stb_mmu,
538 __stw_mmu,
539 __stl_mmu,
540 __stq_mmu,
541 };
542
543 static void tcg_out_tlb_read (TCGContext *s, int r0, int r1, int r2,
544 int addr_reg, int s_bits, int offset)
545 {
546 #if TARGET_LONG_BITS == 32
547 tcg_out_rld (s, RLDICL, addr_reg, addr_reg, 0, 32);
548
549 tcg_out32 (s, (RLWINM
550 | RA (r0)
551 | RS (addr_reg)
552 | SH (32 - (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS))
553 | MB (32 - (CPU_TLB_BITS + CPU_TLB_ENTRY_BITS))
554 | ME (31 - CPU_TLB_ENTRY_BITS)
555 )
556 );
557 tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (TCG_AREG0));
558 tcg_out32 (s, (LWZU | RT (r1) | RA (r0) | offset));
559 tcg_out32 (s, (RLWINM
560 | RA (r2)
561 | RS (addr_reg)
562 | SH (0)
563 | MB ((32 - s_bits) & 31)
564 | ME (31 - TARGET_PAGE_BITS)
565 )
566 );
567 #else
568 tcg_out_rld (s, RLDICL, r0, addr_reg,
569 64 - TARGET_PAGE_BITS,
570 64 - CPU_TLB_BITS);
571 tcg_out_rld (s, RLDICR, r0, r0,
572 CPU_TLB_ENTRY_BITS,
573 63 - CPU_TLB_ENTRY_BITS);
574
575 tcg_out32 (s, ADD | TAB (r0, r0, TCG_AREG0));
576 tcg_out32 (s, LD_ADDR | RT (r1) | RA (r0) | offset);
577
578 if (!s_bits) {
579 tcg_out_rld (s, RLDICR, r2, addr_reg, 0, 63 - TARGET_PAGE_BITS);
580 }
581 else {
582 tcg_out_rld (s, RLDICL, r2, addr_reg,
583 64 - TARGET_PAGE_BITS,
584 TARGET_PAGE_BITS - s_bits);
585 tcg_out_rld (s, RLDICL, r2, r2, TARGET_PAGE_BITS, 0);
586 }
587 #endif
588 }
589 #endif
590
591 static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
592 {
593 int addr_reg, data_reg, r0, r1, mem_index, s_bits, bswap;
594 #ifdef CONFIG_SOFTMMU
595 int r2;
596 void *label1_ptr, *label2_ptr;
597 #endif
598
599 data_reg = *args++;
600 addr_reg = *args++;
601 mem_index = *args;
602 s_bits = opc & 3;
603
604 #ifdef CONFIG_SOFTMMU
605 r0 = 3;
606 r1 = 4;
607 r2 = 0;
608
609 tcg_out_tlb_read (s, r0, r1, r2, addr_reg, s_bits,
610 offsetof (CPUState, tlb_table[mem_index][0].addr_read));
611
612 tcg_out32 (s, CMP | BF (7) | RA (r2) | RB (r1) | CMP_L);
613
614 label1_ptr = s->code_ptr;
615 #ifdef FAST_PATH
616 tcg_out32 (s, BC | BI (7, CR_EQ) | BO_COND_TRUE);
617 #endif
618
619 /* slow path */
620 tcg_out_mov (s, 3, addr_reg);
621 tcg_out_movi (s, TCG_TYPE_I64, 4, mem_index);
622
623 tcg_out_call (s, (tcg_target_long) qemu_ld_helpers[s_bits], 1);
624
625 switch (opc) {
626 case 0|4:
627 tcg_out32 (s, EXTSB | RA (data_reg) | RS (3));
628 break;
629 case 1|4:
630 tcg_out32 (s, EXTSH | RA (data_reg) | RS (3));
631 break;
632 case 2|4:
633 tcg_out32 (s, EXTSW | RA (data_reg) | RS (3));
634 break;
635 case 0:
636 case 1:
637 case 2:
638 case 3:
639 if (data_reg != 3)
640 tcg_out_mov (s, data_reg, 3);
641 break;
642 }
643 label2_ptr = s->code_ptr;
644 tcg_out32 (s, B);
645
646 /* label1: fast path */
647 #ifdef FAST_PATH
648 reloc_pc14 (label1_ptr, (tcg_target_long) s->code_ptr);
649 #endif
650
651 /* r0 now contains &env->tlb_table[mem_index][index].addr_read */
652 tcg_out32 (s, (LD_ADDEND
653 | RT (r0)
654 | RA (r0)
655 | (offsetof (CPUTLBEntry, addend)
656 - offsetof (CPUTLBEntry, addr_read))
657 ));
658 /* r0 = env->tlb_table[mem_index][index].addend */
659 tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (addr_reg));
660 /* r0 = env->tlb_table[mem_index][index].addend + addr */
661
662 #else /* !CONFIG_SOFTMMU */
663 #if TARGET_LONG_BITS == 32
664 tcg_out_rld (s, RLDICL, addr_reg, addr_reg, 0, 32);
665 #endif
666 r0 = addr_reg;
667 r1 = 3;
668 #endif
669
670 #ifdef TARGET_WORDS_BIGENDIAN
671 bswap = 0;
672 #else
673 bswap = 1;
674 #endif
675 switch (opc) {
676 default:
677 case 0:
678 tcg_out32 (s, LBZ | RT (data_reg) | RA (r0));
679 break;
680 case 0|4:
681 tcg_out32 (s, LBZ | RT (data_reg) | RA (r0));
682 tcg_out32 (s, EXTSB | RA (data_reg) | RS (data_reg));
683 break;
684 case 1:
685 if (bswap) tcg_out32 (s, LHBRX | RT (data_reg) | RB (r0));
686 else tcg_out32 (s, LHZ | RT (data_reg) | RA (r0));
687 break;
688 case 1|4:
689 if (bswap) {
690 tcg_out32 (s, LHBRX | RT (data_reg) | RB (r0));
691 tcg_out32 (s, EXTSH | RA (data_reg) | RS (data_reg));
692 }
693 else tcg_out32 (s, LHA | RT (data_reg) | RA (r0));
694 break;
695 case 2:
696 if (bswap) tcg_out32 (s, LWBRX | RT (data_reg) | RB (r0));
697 else tcg_out32 (s, LWZ | RT (data_reg)| RA (r0));
698 break;
699 case 2|4:
700 if (bswap) {
701 tcg_out32 (s, LWBRX | RT (data_reg) | RB (r0));
702 tcg_out32 (s, EXTSW | RA (data_reg) | RS (data_reg));
703 }
704 else tcg_out32 (s, LWA | RT (data_reg)| RA (r0));
705 break;
706 case 3:
707 if (bswap) {
708 tcg_out_movi32 (s, 0, 4);
709 tcg_out32 (s, LWBRX | RT (data_reg) | RB (r0));
710 tcg_out32 (s, LWBRX | RT ( r1) | RA (r0));
711 tcg_out_rld (s, RLDIMI, data_reg, r1, 32, 0);
712 }
713 else tcg_out32 (s, LD | RT (data_reg) | RA (r0));
714 break;
715 }
716
717 #ifdef CONFIG_SOFTMMU
718 reloc_pc24 (label2_ptr, (tcg_target_long) s->code_ptr);
719 #endif
720 }
721
722 static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
723 {
724 int addr_reg, r0, r1, data_reg, mem_index, bswap;
725 #ifdef CONFIG_SOFTMMU
726 int r2;
727 void *label1_ptr, *label2_ptr;
728 #endif
729
730 data_reg = *args++;
731 addr_reg = *args++;
732 mem_index = *args;
733
734 #ifdef CONFIG_SOFTMMU
735 r0 = 3;
736 r1 = 4;
737 r2 = 0;
738
739 tcg_out_tlb_read (s, r0, r1, r2, addr_reg, opc,
740 offsetof (CPUState, tlb_table[mem_index][0].addr_write));
741
742 tcg_out32 (s, CMP | BF (7) | RA (r2) | RB (r1) | CMP_L);
743
744 label1_ptr = s->code_ptr;
745 #ifdef FAST_PATH
746 tcg_out32 (s, BC | BI (7, CR_EQ) | BO_COND_TRUE);
747 #endif
748
749 /* slow path */
750 tcg_out_mov (s, 3, addr_reg);
751 tcg_out_rld (s, RLDICL, 4, data_reg, 0, 64 - (1 << (3 + opc)));
752 tcg_out_movi (s, TCG_TYPE_I64, 5, mem_index);
753
754 tcg_out_call (s, (tcg_target_long) qemu_st_helpers[opc], 1);
755
756 label2_ptr = s->code_ptr;
757 tcg_out32 (s, B);
758
759 /* label1: fast path */
760 #ifdef FAST_PATH
761 reloc_pc14 (label1_ptr, (tcg_target_long) s->code_ptr);
762 #endif
763
764 tcg_out32 (s, (LD_ADDEND
765 | RT (r0)
766 | RA (r0)
767 | (offsetof (CPUTLBEntry, addend)
768 - offsetof (CPUTLBEntry, addr_write))
769 ));
770 /* r0 = env->tlb_table[mem_index][index].addend */
771 tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (addr_reg));
772 /* r0 = env->tlb_table[mem_index][index].addend + addr */
773
774 #else /* !CONFIG_SOFTMMU */
775 #if TARGET_LONG_BITS == 32
776 tcg_out_rld (s, RLDICL, addr_reg, addr_reg, 0, 32);
777 #endif
778 r1 = 3;
779 r0 = addr_reg;
780 #endif
781
782 #ifdef TARGET_WORDS_BIGENDIAN
783 bswap = 0;
784 #else
785 bswap = 1;
786 #endif
787 switch (opc) {
788 case 0:
789 tcg_out32 (s, STB | RS (data_reg) | RA (r0));
790 break;
791 case 1:
792 if (bswap) tcg_out32 (s, STHBRX | RS (data_reg) | RA (0) | RB (r0));
793 else tcg_out32 (s, STH | RS (data_reg) | RA (r0));
794 break;
795 case 2:
796 if (bswap) tcg_out32 (s, STWBRX | RS (data_reg) | RA (0) | RB (r0));
797 else tcg_out32 (s, STW | RS (data_reg) | RA (r0));
798 break;
799 case 3:
800 if (bswap) {
801 tcg_out32 (s, STWBRX | RS (data_reg) | RA (0) | RB (r0));
802 tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4);
803 tcg_out_rld (s, RLDICL, 0, data_reg, 32, 0);
804 tcg_out32 (s, STWBRX | RS (0) | RA (0) | RB (r1));
805 }
806 else tcg_out32 (s, STD | RS (data_reg) | RA (r0));
807 break;
808 }
809
810 #ifdef CONFIG_SOFTMMU
811 reloc_pc24 (label2_ptr, (tcg_target_long) s->code_ptr);
812 #endif
813 }
814
815 void tcg_target_qemu_prologue (TCGContext *s)
816 {
817 int i, frame_size;
818 uint64_t addr;
819
820 frame_size = 0
821 + 8 /* back chain */
822 + 8 /* CR */
823 + 8 /* LR */
824 + 8 /* compiler doubleword */
825 + 8 /* link editor doubleword */
826 + 8 /* TOC save area */
827 + TCG_STATIC_CALL_ARGS_SIZE
828 + ARRAY_SIZE (tcg_target_callee_save_regs) * 8
829 ;
830 frame_size = (frame_size + 15) & ~15;
831
832 /* First emit adhoc function descriptor */
833 addr = (uint64_t) s->code_ptr + 24;
834 tcg_out32 (s, addr >> 32); tcg_out32 (s, addr); /* entry point */
835 s->code_ptr += 16; /* skip TOC and environment pointer */
836
837 /* Prologue */
838 tcg_out32 (s, MFSPR | RT (0) | LR);
839 tcg_out32 (s, STDU | RS (1) | RA (1) | (-frame_size & 0xffff));
840 for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i)
841 tcg_out32 (s, (STD
842 | RS (tcg_target_callee_save_regs[i])
843 | RA (1)
844 | (i * 8 + 48 + TCG_STATIC_CALL_ARGS_SIZE)
845 )
846 );
847 tcg_out32 (s, STD | RS (0) | RA (1) | (frame_size + 16));
848
849 tcg_out32 (s, MTSPR | RS (3) | CTR);
850 tcg_out32 (s, BCCTR | BO_ALWAYS);
851
852 /* Epilogue */
853 tb_ret_addr = s->code_ptr;
854
855 for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i)
856 tcg_out32 (s, (LD
857 | RT (tcg_target_callee_save_regs[i])
858 | RA (1)
859 | (i * 8 + 48 + TCG_STATIC_CALL_ARGS_SIZE)
860 )
861 );
862 tcg_out32 (s, LD | RT (0) | RA (1) | (frame_size + 16));
863 tcg_out32 (s, MTSPR | RS (0) | LR);
864 tcg_out32 (s, ADDI | RT (1) | RA (1) | frame_size);
865 tcg_out32 (s, BCLR | BO_ALWAYS);
866 }
867
868 static void tcg_out_ld (TCGContext *s, TCGType type, int ret, int arg1,
869 tcg_target_long arg2)
870 {
871 if (type == TCG_TYPE_I32)
872 tcg_out_ldst (s, ret, arg1, arg2, LWZ, LWZX);
873 else
874 tcg_out_ldsta (s, ret, arg1, arg2, LD, LDX);
875 }
876
877 static void tcg_out_st (TCGContext *s, TCGType type, int arg, int arg1,
878 tcg_target_long arg2)
879 {
880 if (type == TCG_TYPE_I32)
881 tcg_out_ldst (s, arg, arg1, arg2, STW, STWX);
882 else
883 tcg_out_ldsta (s, arg, arg1, arg2, STD, STDX);
884 }
885
886 static void ppc_addi32 (TCGContext *s, int rt, int ra, tcg_target_long si)
887 {
888 if (!si && rt == ra)
889 return;
890
891 if (si == (int16_t) si)
892 tcg_out32 (s, ADDI | RT (rt) | RA (ra) | (si & 0xffff));
893 else {
894 uint16_t h = ((si >> 16) & 0xffff) + ((uint16_t) si >> 15);
895 tcg_out32 (s, ADDIS | RT (rt) | RA (ra) | h);
896 tcg_out32 (s, ADDI | RT (rt) | RA (rt) | (si & 0xffff));
897 }
898 }
899
900 static void ppc_addi64 (TCGContext *s, int rt, int ra, tcg_target_long si)
901 {
902 /* XXX: suboptimal */
903 if (si == (int16_t) si
904 || ((((uint64_t) si >> 31) == 0) && (si & 0x8000) == 0))
905 ppc_addi32 (s, rt, ra, si);
906 else {
907 tcg_out_movi (s, TCG_TYPE_I64, 0, si);
908 tcg_out32 (s, ADD | RT (rt) | RA (ra));
909 }
910 }
911
912 static void tcg_out_addi (TCGContext *s, int reg, tcg_target_long val)
913 {
914 ppc_addi64 (s, reg, reg, val);
915 }
916
917 static void tcg_out_cmp (TCGContext *s, int cond, TCGArg arg1, TCGArg arg2,
918 int const_arg2, int cr, int arch64)
919 {
920 int imm;
921 uint32_t op;
922
923 switch (cond) {
924 case TCG_COND_EQ:
925 case TCG_COND_NE:
926 if (const_arg2) {
927 if ((int16_t) arg2 == arg2) {
928 op = CMPI;
929 imm = 1;
930 break;
931 }
932 else if ((uint16_t) arg2 == arg2) {
933 op = CMPLI;
934 imm = 1;
935 break;
936 }
937 }
938 op = CMPL;
939 imm = 0;
940 break;
941
942 case TCG_COND_LT:
943 case TCG_COND_GE:
944 case TCG_COND_LE:
945 case TCG_COND_GT:
946 if (const_arg2) {
947 if ((int16_t) arg2 == arg2) {
948 op = CMPI;
949 imm = 1;
950 break;
951 }
952 }
953 op = CMP;
954 imm = 0;
955 break;
956
957 case TCG_COND_LTU:
958 case TCG_COND_GEU:
959 case TCG_COND_LEU:
960 case TCG_COND_GTU:
961 if (const_arg2) {
962 if ((uint16_t) arg2 == arg2) {
963 op = CMPLI;
964 imm = 1;
965 break;
966 }
967 }
968 op = CMPL;
969 imm = 0;
970 break;
971
972 default:
973 tcg_abort ();
974 }
975 op |= BF (cr) | (arch64 << 21);
976
977 if (imm)
978 tcg_out32 (s, op | RA (arg1) | (arg2 & 0xffff));
979 else {
980 if (const_arg2) {
981 tcg_out_movi (s, TCG_TYPE_I64, 0, arg2);
982 tcg_out32 (s, op | RA (arg1) | RB (0));
983 }
984 else
985 tcg_out32 (s, op | RA (arg1) | RB (arg2));
986 }
987
988 }
989
990 static void tcg_out_bc (TCGContext *s, int bc, int label_index)
991 {
992 TCGLabel *l = &s->labels[label_index];
993
994 if (l->has_value)
995 tcg_out32 (s, bc | reloc_pc14_val (s->code_ptr, l->u.value));
996 else {
997 uint16_t val = *(uint16_t *) &s->code_ptr[2];
998
999 /* Thanks to Andrzej Zaborowski */
1000 tcg_out32 (s, bc | (val & 0xfffc));
1001 tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL14, label_index, 0);
1002 }
1003 }
1004
1005 static void tcg_out_brcond (TCGContext *s, int cond,
1006 TCGArg arg1, TCGArg arg2, int const_arg2,
1007 int label_index, int arch64)
1008 {
1009 tcg_out_cmp (s, cond, arg1, arg2, const_arg2, 7, arch64);
1010 tcg_out_bc (s, tcg_to_bc[cond], label_index);
1011 }
1012
1013 void ppc_tb_set_jmp_target (unsigned long jmp_addr, unsigned long addr)
1014 {
1015 TCGContext s;
1016 unsigned long patch_size;
1017
1018 s.code_ptr = (uint8_t *) jmp_addr;
1019 tcg_out_b (&s, 0, addr);
1020 patch_size = s.code_ptr - (uint8_t *) jmp_addr;
1021 flush_icache_range (jmp_addr, jmp_addr + patch_size);
1022 }
1023
1024 static void tcg_out_op (TCGContext *s, int opc, const TCGArg *args,
1025 const int *const_args)
1026 {
1027 int c;
1028
1029 switch (opc) {
1030 case INDEX_op_exit_tb:
1031 tcg_out_movi (s, TCG_TYPE_I64, TCG_REG_R3, args[0]);
1032 tcg_out_b (s, 0, (tcg_target_long) tb_ret_addr);
1033 break;
1034 case INDEX_op_goto_tb:
1035 if (s->tb_jmp_offset) {
1036 /* direct jump method */
1037
1038 s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
1039 s->code_ptr += 28;
1040 }
1041 else {
1042 tcg_abort ();
1043 }
1044 s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
1045 break;
1046 case INDEX_op_br:
1047 {
1048 TCGLabel *l = &s->labels[args[0]];
1049
1050 if (l->has_value) {
1051 tcg_out_b (s, 0, l->u.value);
1052 }
1053 else {
1054 uint32_t val = *(uint32_t *) s->code_ptr;
1055
1056 /* Thanks to Andrzej Zaborowski */
1057 tcg_out32 (s, B | (val & 0x3fffffc));
1058 tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL24, args[0], 0);
1059 }
1060 }
1061 break;
1062 case INDEX_op_call:
1063 tcg_out_call (s, args[0], const_args[0]);
1064 break;
1065 case INDEX_op_jmp:
1066 if (const_args[0]) {
1067 tcg_out_b (s, 0, args[0]);
1068 }
1069 else {
1070 tcg_out32 (s, MTSPR | RS (args[0]) | CTR);
1071 tcg_out32 (s, BCCTR | BO_ALWAYS);
1072 }
1073 break;
1074 case INDEX_op_movi_i32:
1075 tcg_out_movi (s, TCG_TYPE_I32, args[0], args[1]);
1076 break;
1077 case INDEX_op_movi_i64:
1078 tcg_out_movi (s, TCG_TYPE_I64, args[0], args[1]);
1079 break;
1080 case INDEX_op_ld8u_i32:
1081 case INDEX_op_ld8u_i64:
1082 tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX);
1083 break;
1084 case INDEX_op_ld8s_i32:
1085 case INDEX_op_ld8s_i64:
1086 tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX);
1087 tcg_out32 (s, EXTSB | RS (args[0]) | RA (args[0]));
1088 break;
1089 case INDEX_op_ld16u_i32:
1090 case INDEX_op_ld16u_i64:
1091 tcg_out_ldst (s, args[0], args[1], args[2], LHZ, LHZX);
1092 break;
1093 case INDEX_op_ld16s_i32:
1094 case INDEX_op_ld16s_i64:
1095 tcg_out_ldst (s, args[0], args[1], args[2], LHA, LHAX);
1096 break;
1097 case INDEX_op_ld_i32:
1098 case INDEX_op_ld32u_i64:
1099 tcg_out_ldst (s, args[0], args[1], args[2], LWZ, LWZX);
1100 break;
1101 case INDEX_op_ld32s_i64:
1102 tcg_out_ldsta (s, args[0], args[1], args[2], LWA, LWAX);
1103 break;
1104 case INDEX_op_ld_i64:
1105 tcg_out_ldsta (s, args[0], args[1], args[2], LD, LDX);
1106 break;
1107 case INDEX_op_st8_i32:
1108 case INDEX_op_st8_i64:
1109 tcg_out_ldst (s, args[0], args[1], args[2], STB, STBX);
1110 break;
1111 case INDEX_op_st16_i32:
1112 case INDEX_op_st16_i64:
1113 tcg_out_ldst (s, args[0], args[1], args[2], STH, STHX);
1114 break;
1115 case INDEX_op_st_i32:
1116 case INDEX_op_st32_i64:
1117 tcg_out_ldst (s, args[0], args[1], args[2], STW, STWX);
1118 break;
1119 case INDEX_op_st_i64:
1120 tcg_out_ldsta (s, args[0], args[1], args[2], STD, STDX);
1121 break;
1122
1123 case INDEX_op_add_i32:
1124 if (const_args[2])
1125 ppc_addi32 (s, args[0], args[1], args[2]);
1126 else
1127 tcg_out32 (s, ADD | TAB (args[0], args[1], args[2]));
1128 break;
1129 case INDEX_op_sub_i32:
1130 if (const_args[2])
1131 ppc_addi32 (s, args[0], args[1], -args[2]);
1132 else
1133 tcg_out32 (s, SUBF | TAB (args[0], args[2], args[1]));
1134 break;
1135
1136 case INDEX_op_and_i64:
1137 case INDEX_op_and_i32:
1138 if (const_args[2]) {
1139 if ((args[2] & 0xffff) == args[2])
1140 tcg_out32 (s, ANDI | RS (args[1]) | RA (args[0]) | args[2]);
1141 else if ((args[2] & 0xffff0000) == args[2])
1142 tcg_out32 (s, ANDIS | RS (args[1]) | RA (args[0])
1143 | ((args[2] >> 16) & 0xffff));
1144 else {
1145 tcg_out_movi (s, (opc == INDEX_op_and_i32
1146 ? TCG_TYPE_I32
1147 : TCG_TYPE_I64),
1148 0, args[2]);
1149 tcg_out32 (s, AND | SAB (args[1], args[0], 0));
1150 }
1151 }
1152 else
1153 tcg_out32 (s, AND | SAB (args[1], args[0], args[2]));
1154 break;
1155 case INDEX_op_or_i64:
1156 case INDEX_op_or_i32:
1157 if (const_args[2]) {
1158 if (args[2] & 0xffff) {
1159 tcg_out32 (s, ORI | RS (args[1]) | RA (args[0])
1160 | (args[2] & 0xffff));
1161 if (args[2] >> 16)
1162 tcg_out32 (s, ORIS | RS (args[0]) | RA (args[0])
1163 | ((args[2] >> 16) & 0xffff));
1164 }
1165 else {
1166 tcg_out32 (s, ORIS | RS (args[1]) | RA (args[0])
1167 | ((args[2] >> 16) & 0xffff));
1168 }
1169 }
1170 else
1171 tcg_out32 (s, OR | SAB (args[1], args[0], args[2]));
1172 break;
1173 case INDEX_op_xor_i64:
1174 case INDEX_op_xor_i32:
1175 if (const_args[2]) {
1176 if ((args[2] & 0xffff) == args[2])
1177 tcg_out32 (s, XORI | RS (args[1]) | RA (args[0])
1178 | (args[2] & 0xffff));
1179 else if ((args[2] & 0xffff0000) == args[2])
1180 tcg_out32 (s, XORIS | RS (args[1]) | RA (args[0])
1181 | ((args[2] >> 16) & 0xffff));
1182 else {
1183 tcg_out_movi (s, (opc == INDEX_op_and_i32
1184 ? TCG_TYPE_I32
1185 : TCG_TYPE_I64),
1186 0, args[2]);
1187 tcg_out32 (s, XOR | SAB (args[1], args[0], 0));
1188 }
1189 }
1190 else
1191 tcg_out32 (s, XOR | SAB (args[1], args[0], args[2]));
1192 break;
1193
1194 case INDEX_op_mul_i32:
1195 if (const_args[2]) {
1196 if (args[2] == (int16_t) args[2])
1197 tcg_out32 (s, MULLI | RT (args[0]) | RA (args[1])
1198 | (args[2] & 0xffff));
1199 else {
1200 tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]);
1201 tcg_out32 (s, MULLW | TAB (args[0], args[1], 0));
1202 }
1203 }
1204 else
1205 tcg_out32 (s, MULLW | TAB (args[0], args[1], args[2]));
1206 break;
1207
1208 case INDEX_op_div_i32:
1209 tcg_out32 (s, DIVW | TAB (args[0], args[1], args[2]));
1210 break;
1211
1212 case INDEX_op_divu_i32:
1213 tcg_out32 (s, DIVWU | TAB (args[0], args[1], args[2]));
1214 break;
1215
1216 case INDEX_op_rem_i32:
1217 tcg_out32 (s, DIVW | TAB (0, args[1], args[2]));
1218 tcg_out32 (s, MULLW | TAB (0, 0, args[2]));
1219 tcg_out32 (s, SUBF | TAB (args[0], 0, args[1]));
1220 break;
1221
1222 case INDEX_op_remu_i32:
1223 tcg_out32 (s, DIVWU | TAB (0, args[1], args[2]));
1224 tcg_out32 (s, MULLW | TAB (0, 0, args[2]));
1225 tcg_out32 (s, SUBF | TAB (args[0], 0, args[1]));
1226 break;
1227
1228 case INDEX_op_shl_i32:
1229 if (const_args[2]) {
1230 tcg_out32 (s, (RLWINM
1231 | RA (args[0])
1232 | RS (args[1])
1233 | SH (args[2])
1234 | MB (0)
1235 | ME (31 - args[2])
1236 )
1237 );
1238 }
1239 else
1240 tcg_out32 (s, SLW | SAB (args[1], args[0], args[2]));
1241 break;
1242 case INDEX_op_shr_i32:
1243 if (const_args[2]) {
1244 tcg_out32 (s, (RLWINM
1245 | RA (args[0])
1246 | RS (args[1])
1247 | SH (32 - args[2])
1248 | MB (args[2])
1249 | ME (31)
1250 )
1251 );
1252 }
1253 else
1254 tcg_out32 (s, SRW | SAB (args[1], args[0], args[2]));
1255 break;
1256 case INDEX_op_sar_i32:
1257 if (const_args[2])
1258 tcg_out32 (s, SRAWI | RS (args[1]) | RA (args[0]) | SH (args[2]));
1259 else
1260 tcg_out32 (s, SRAW | SAB (args[1], args[0], args[2]));
1261 break;
1262
1263 case INDEX_op_brcond_i32:
1264 tcg_out_brcond (s, args[2], args[0], args[1], const_args[1], args[3], 0);
1265 break;
1266
1267 case INDEX_op_brcond_i64:
1268 tcg_out_brcond (s, args[2], args[0], args[1], const_args[1], args[3], 1);
1269 break;
1270
1271 case INDEX_op_neg_i32:
1272 case INDEX_op_neg_i64:
1273 tcg_out32 (s, NEG | RT (args[0]) | RA (args[1]));
1274 break;
1275
1276 case INDEX_op_add_i64:
1277 if (const_args[2])
1278 ppc_addi64 (s, args[0], args[1], args[2]);
1279 else
1280 tcg_out32 (s, ADD | TAB (args[0], args[1], args[2]));
1281 break;
1282 case INDEX_op_sub_i64:
1283 if (const_args[2])
1284 ppc_addi64 (s, args[0], args[1], -args[2]);
1285 else
1286 tcg_out32 (s, SUBF | TAB (args[0], args[2], args[1]));
1287 break;
1288
1289 case INDEX_op_shl_i64:
1290 if (const_args[2])
1291 tcg_out_rld (s, RLDICR, args[0], args[1], args[2], 63 - args[2]);
1292 else
1293 tcg_out32 (s, SLD | SAB (args[1], args[0], args[2]));
1294 break;
1295 case INDEX_op_shr_i64:
1296 if (const_args[2])
1297 tcg_out_rld (s, RLDICL, args[0], args[1], 64 - args[2], args[2]);
1298 else
1299 tcg_out32 (s, SRD | SAB (args[1], args[0], args[2]));
1300 break;
1301 case INDEX_op_sar_i64:
1302 if (const_args[2]) {
1303 int sh = SH (args[2] & 0x1f) | (((args[2] >> 5) & 1) << 1);
1304 tcg_out32 (s, SRADI | RA (args[0]) | RS (args[1]) | sh);
1305 }
1306 else
1307 tcg_out32 (s, SRAD | SAB (args[1], args[0], args[2]));
1308 break;
1309
1310 case INDEX_op_mul_i64:
1311 tcg_out32 (s, MULLD | TAB (args[0], args[1], args[2]));
1312 break;
1313 case INDEX_op_div_i64:
1314 tcg_out32 (s, DIVD | TAB (args[0], args[1], args[2]));
1315 break;
1316 case INDEX_op_divu_i64:
1317 tcg_out32 (s, DIVDU | TAB (args[0], args[1], args[2]));
1318 break;
1319 case INDEX_op_rem_i64:
1320 tcg_out32 (s, DIVD | TAB (0, args[1], args[2]));
1321 tcg_out32 (s, MULLD | TAB (0, 0, args[2]));
1322 tcg_out32 (s, SUBF | TAB (args[0], 0, args[1]));
1323 break;
1324 case INDEX_op_remu_i64:
1325 tcg_out32 (s, DIVDU | TAB (0, args[1], args[2]));
1326 tcg_out32 (s, MULLD | TAB (0, 0, args[2]));
1327 tcg_out32 (s, SUBF | TAB (args[0], 0, args[1]));
1328 break;
1329
1330 case INDEX_op_qemu_ld8u:
1331 tcg_out_qemu_ld (s, args, 0);
1332 break;
1333 case INDEX_op_qemu_ld8s:
1334 tcg_out_qemu_ld (s, args, 0 | 4);
1335 break;
1336 case INDEX_op_qemu_ld16u:
1337 tcg_out_qemu_ld (s, args, 1);
1338 break;
1339 case INDEX_op_qemu_ld16s:
1340 tcg_out_qemu_ld (s, args, 1 | 4);
1341 break;
1342 case INDEX_op_qemu_ld32u:
1343 tcg_out_qemu_ld (s, args, 2);
1344 break;
1345 case INDEX_op_qemu_ld32s:
1346 tcg_out_qemu_ld (s, args, 2 | 4);
1347 break;
1348 case INDEX_op_qemu_ld64:
1349 tcg_out_qemu_ld (s, args, 3);
1350 break;
1351 case INDEX_op_qemu_st8:
1352 tcg_out_qemu_st (s, args, 0);
1353 break;
1354 case INDEX_op_qemu_st16:
1355 tcg_out_qemu_st (s, args, 1);
1356 break;
1357 case INDEX_op_qemu_st32:
1358 tcg_out_qemu_st (s, args, 2);
1359 break;
1360 case INDEX_op_qemu_st64:
1361 tcg_out_qemu_st (s, args, 3);
1362 break;
1363
1364 case INDEX_op_ext8s_i32:
1365 case INDEX_op_ext8s_i64:
1366 c = EXTSB;
1367 goto gen_ext;
1368 case INDEX_op_ext16s_i32:
1369 case INDEX_op_ext16s_i64:
1370 c = EXTSH;
1371 goto gen_ext;
1372 case INDEX_op_ext32s_i64:
1373 c = EXTSW;
1374 goto gen_ext;
1375 gen_ext:
1376 tcg_out32 (s, c | RS (args[1]) | RA (args[0]));
1377 break;
1378
1379 default:
1380 tcg_dump_ops (s, stderr);
1381 tcg_abort ();
1382 }
1383 }
1384
1385 static const TCGTargetOpDef ppc_op_defs[] = {
1386 { INDEX_op_exit_tb, { } },
1387 { INDEX_op_goto_tb, { } },
1388 { INDEX_op_call, { "ri" } },
1389 { INDEX_op_jmp, { "ri" } },
1390 { INDEX_op_br, { } },
1391
1392 { INDEX_op_mov_i32, { "r", "r" } },
1393 { INDEX_op_mov_i64, { "r", "r" } },
1394 { INDEX_op_movi_i32, { "r" } },
1395 { INDEX_op_movi_i64, { "r" } },
1396
1397 { INDEX_op_ld8u_i32, { "r", "r" } },
1398 { INDEX_op_ld8s_i32, { "r", "r" } },
1399 { INDEX_op_ld16u_i32, { "r", "r" } },
1400 { INDEX_op_ld16s_i32, { "r", "r" } },
1401 { INDEX_op_ld_i32, { "r", "r" } },
1402 { INDEX_op_ld_i64, { "r", "r" } },
1403 { INDEX_op_st8_i32, { "r", "r" } },
1404 { INDEX_op_st8_i64, { "r", "r" } },
1405 { INDEX_op_st16_i32, { "r", "r" } },
1406 { INDEX_op_st16_i64, { "r", "r" } },
1407 { INDEX_op_st_i32, { "r", "r" } },
1408 { INDEX_op_st_i64, { "r", "r" } },
1409 { INDEX_op_st32_i64, { "r", "r" } },
1410
1411 { INDEX_op_ld8u_i64, { "r", "r" } },
1412 { INDEX_op_ld8s_i64, { "r", "r" } },
1413 { INDEX_op_ld16u_i64, { "r", "r" } },
1414 { INDEX_op_ld16s_i64, { "r", "r" } },
1415 { INDEX_op_ld32u_i64, { "r", "r" } },
1416 { INDEX_op_ld32s_i64, { "r", "r" } },
1417 { INDEX_op_ld_i64, { "r", "r" } },
1418
1419 { INDEX_op_add_i32, { "r", "r", "ri" } },
1420 { INDEX_op_mul_i32, { "r", "r", "ri" } },
1421 { INDEX_op_div_i32, { "r", "r", "r" } },
1422 { INDEX_op_divu_i32, { "r", "r", "r" } },
1423 { INDEX_op_rem_i32, { "r", "r", "r" } },
1424 { INDEX_op_remu_i32, { "r", "r", "r" } },
1425 { INDEX_op_sub_i32, { "r", "r", "ri" } },
1426 { INDEX_op_and_i32, { "r", "r", "ri" } },
1427 { INDEX_op_or_i32, { "r", "r", "ri" } },
1428 { INDEX_op_xor_i32, { "r", "r", "ri" } },
1429
1430 { INDEX_op_shl_i32, { "r", "r", "ri" } },
1431 { INDEX_op_shr_i32, { "r", "r", "ri" } },
1432 { INDEX_op_sar_i32, { "r", "r", "ri" } },
1433
1434 { INDEX_op_brcond_i32, { "r", "ri" } },
1435 { INDEX_op_brcond_i64, { "r", "ri" } },
1436
1437 { INDEX_op_neg_i32, { "r", "r" } },
1438
1439 { INDEX_op_add_i64, { "r", "r", "ri" } },
1440 { INDEX_op_sub_i64, { "r", "r", "ri" } },
1441 { INDEX_op_and_i64, { "r", "r", "rZ" } },
1442 { INDEX_op_or_i64, { "r", "r", "rZ" } },
1443 { INDEX_op_xor_i64, { "r", "r", "rZ" } },
1444
1445 { INDEX_op_shl_i64, { "r", "r", "ri" } },
1446 { INDEX_op_shr_i64, { "r", "r", "ri" } },
1447 { INDEX_op_sar_i64, { "r", "r", "ri" } },
1448
1449 { INDEX_op_mul_i64, { "r", "r", "r" } },
1450 { INDEX_op_div_i64, { "r", "r", "r" } },
1451 { INDEX_op_divu_i64, { "r", "r", "r" } },
1452 { INDEX_op_rem_i64, { "r", "r", "r" } },
1453 { INDEX_op_remu_i64, { "r", "r", "r" } },
1454
1455 { INDEX_op_neg_i64, { "r", "r" } },
1456
1457 { INDEX_op_qemu_ld8u, { "r", "L" } },
1458 { INDEX_op_qemu_ld8s, { "r", "L" } },
1459 { INDEX_op_qemu_ld16u, { "r", "L" } },
1460 { INDEX_op_qemu_ld16s, { "r", "L" } },
1461 { INDEX_op_qemu_ld32u, { "r", "L" } },
1462 { INDEX_op_qemu_ld32s, { "r", "L" } },
1463 { INDEX_op_qemu_ld64, { "r", "L" } },
1464
1465 { INDEX_op_qemu_st8, { "S", "S" } },
1466 { INDEX_op_qemu_st16, { "S", "S" } },
1467 { INDEX_op_qemu_st32, { "S", "S" } },
1468 { INDEX_op_qemu_st64, { "S", "S", "S" } },
1469
1470 { INDEX_op_ext8s_i32, { "r", "r" } },
1471 { INDEX_op_ext16s_i32, { "r", "r" } },
1472 { INDEX_op_ext8s_i64, { "r", "r" } },
1473 { INDEX_op_ext16s_i64, { "r", "r" } },
1474 { INDEX_op_ext32s_i64, { "r", "r" } },
1475
1476 { -1 },
1477 };
1478
1479 void tcg_target_init (TCGContext *s)
1480 {
1481 tcg_regset_set32 (tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff);
1482 tcg_regset_set32 (tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffffffff);
1483 tcg_regset_set32 (tcg_target_call_clobber_regs, 0,
1484 (1 << TCG_REG_R0) |
1485 (1 << TCG_REG_R3) |
1486 (1 << TCG_REG_R4) |
1487 (1 << TCG_REG_R5) |
1488 (1 << TCG_REG_R6) |
1489 (1 << TCG_REG_R7) |
1490 (1 << TCG_REG_R8) |
1491 (1 << TCG_REG_R9) |
1492 (1 << TCG_REG_R10) |
1493 (1 << TCG_REG_R11) |
1494 (1 << TCG_REG_R12)
1495 );
1496
1497 tcg_regset_clear (s->reserved_regs);
1498 tcg_regset_set_reg (s->reserved_regs, TCG_REG_R0);
1499 tcg_regset_set_reg (s->reserved_regs, TCG_REG_R1);
1500 tcg_regset_set_reg (s->reserved_regs, TCG_REG_R2);
1501 tcg_regset_set_reg (s->reserved_regs, TCG_REG_R13);
1502
1503 tcg_add_target_add_op_defs (ppc_op_defs);
1504 }
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