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2662e13f FB |
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 | static uint8_t *tb_ret_addr; | |
26 | ||
6ec85236 | 27 | #ifdef _CALL_DARWIN |
bf6bca52 | 28 | #define LINKAGE_AREA_SIZE 24 |
2946898b | 29 | #define LR_OFFSET 8 |
6ec85236 | 30 | #elif defined _CALL_AIX |
b29fe3ed | 31 | #define LINKAGE_AREA_SIZE 52 |
32 | #define LR_OFFSET 8 | |
f9bf2987 | 33 | #else |
34 | #define LINKAGE_AREA_SIZE 8 | |
2946898b | 35 | #define LR_OFFSET 4 |
f9bf2987 | 36 | #endif |
37 | ||
2662e13f | 38 | #define FAST_PATH |
35f6b599 | 39 | |
f6548c0a | 40 | #ifndef GUEST_BASE |
41 | #define GUEST_BASE 0 | |
42 | #endif | |
43 | ||
44 | #ifdef CONFIG_USE_GUEST_BASE | |
45 | #define TCG_GUEST_BASE_REG 30 | |
46 | #else | |
47 | #define TCG_GUEST_BASE_REG 0 | |
48 | #endif | |
49 | ||
d4a9eb1f | 50 | #ifndef NDEBUG |
2662e13f FB |
51 | static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { |
52 | "r0", | |
53 | "r1", | |
f7e2aca8 | 54 | "r2", |
2662e13f FB |
55 | "r3", |
56 | "r4", | |
57 | "r5", | |
58 | "r6", | |
59 | "r7", | |
60 | "r8", | |
61 | "r9", | |
62 | "r10", | |
63 | "r11", | |
64 | "r12", | |
65 | "r13", | |
66 | "r14", | |
67 | "r15", | |
68 | "r16", | |
69 | "r17", | |
70 | "r18", | |
71 | "r19", | |
72 | "r20", | |
73 | "r21", | |
74 | "r22", | |
75 | "r23", | |
76 | "r24", | |
77 | "r25", | |
78 | "r26", | |
79 | "r27", | |
80 | "r28", | |
81 | "r29", | |
82 | "r30", | |
83 | "r31" | |
84 | }; | |
d4a9eb1f | 85 | #endif |
2662e13f FB |
86 | |
87 | static const int tcg_target_reg_alloc_order[] = { | |
a35e86c5 | 88 | TCG_REG_R14, |
89 | TCG_REG_R15, | |
90 | TCG_REG_R16, | |
91 | TCG_REG_R17, | |
92 | TCG_REG_R18, | |
93 | TCG_REG_R19, | |
94 | TCG_REG_R20, | |
95 | TCG_REG_R21, | |
96 | TCG_REG_R22, | |
97 | TCG_REG_R23, | |
98 | TCG_REG_R28, | |
99 | TCG_REG_R29, | |
100 | TCG_REG_R30, | |
101 | TCG_REG_R31, | |
6ec85236 | 102 | #ifdef _CALL_DARWIN |
f9bf2987 | 103 | TCG_REG_R2, |
104 | #endif | |
2662e13f FB |
105 | TCG_REG_R3, |
106 | TCG_REG_R4, | |
107 | TCG_REG_R5, | |
108 | TCG_REG_R6, | |
109 | TCG_REG_R7, | |
110 | TCG_REG_R8, | |
111 | TCG_REG_R9, | |
112 | TCG_REG_R10, | |
6ec85236 | 113 | #ifndef _CALL_DARWIN |
2662e13f | 114 | TCG_REG_R11, |
f9bf2987 | 115 | #endif |
2662e13f | 116 | TCG_REG_R12, |
6ec85236 | 117 | #ifndef _CALL_SYSV |
2662e13f | 118 | TCG_REG_R13, |
5db3ee79 | 119 | #endif |
2662e13f FB |
120 | TCG_REG_R24, |
121 | TCG_REG_R25, | |
122 | TCG_REG_R26, | |
a35e86c5 | 123 | TCG_REG_R27 |
2662e13f FB |
124 | }; |
125 | ||
126 | static const int tcg_target_call_iarg_regs[] = { | |
127 | TCG_REG_R3, | |
128 | TCG_REG_R4, | |
129 | TCG_REG_R5, | |
130 | TCG_REG_R6, | |
131 | TCG_REG_R7, | |
132 | TCG_REG_R8, | |
133 | TCG_REG_R9, | |
134 | TCG_REG_R10 | |
135 | }; | |
136 | ||
137 | static const int tcg_target_call_oarg_regs[2] = { | |
138 | TCG_REG_R3, | |
139 | TCG_REG_R4 | |
140 | }; | |
141 | ||
142 | static const int tcg_target_callee_save_regs[] = { | |
6ec85236 | 143 | #ifdef _CALL_DARWIN |
f9bf2987 | 144 | TCG_REG_R11, |
145 | TCG_REG_R13, | |
b29fe3ed | 146 | #endif |
6ec85236 | 147 | #ifdef _CALL_AIX |
b29fe3ed | 148 | TCG_REG_R13, |
f9bf2987 | 149 | #endif |
2662e13f FB |
150 | TCG_REG_R14, |
151 | TCG_REG_R15, | |
152 | TCG_REG_R16, | |
153 | TCG_REG_R17, | |
154 | TCG_REG_R18, | |
155 | TCG_REG_R19, | |
156 | TCG_REG_R20, | |
157 | TCG_REG_R21, | |
158 | TCG_REG_R22, | |
159 | TCG_REG_R23, | |
eb2eb1dc | 160 | TCG_REG_R24, |
161 | TCG_REG_R25, | |
162 | TCG_REG_R26, | |
cea5f9a2 | 163 | TCG_REG_R27, /* currently used for the global env */ |
2662e13f FB |
164 | TCG_REG_R28, |
165 | TCG_REG_R29, | |
166 | TCG_REG_R30, | |
167 | TCG_REG_R31 | |
168 | }; | |
169 | ||
170 | static uint32_t reloc_pc24_val (void *pc, tcg_target_long target) | |
171 | { | |
932a6909 FB |
172 | tcg_target_long disp; |
173 | ||
174 | disp = target - (tcg_target_long) pc; | |
175 | if ((disp << 6) >> 6 != disp) | |
176 | tcg_abort (); | |
177 | ||
178 | return disp & 0x3fffffc; | |
2662e13f FB |
179 | } |
180 | ||
181 | static void reloc_pc24 (void *pc, tcg_target_long target) | |
182 | { | |
183 | *(uint32_t *) pc = (*(uint32_t *) pc & ~0x3fffffc) | |
184 | | reloc_pc24_val (pc, target); | |
185 | } | |
186 | ||
187 | static uint16_t reloc_pc14_val (void *pc, tcg_target_long target) | |
188 | { | |
932a6909 FB |
189 | tcg_target_long disp; |
190 | ||
191 | disp = target - (tcg_target_long) pc; | |
192 | if (disp != (int16_t) disp) | |
193 | tcg_abort (); | |
194 | ||
195 | return disp & 0xfffc; | |
2662e13f FB |
196 | } |
197 | ||
198 | static void reloc_pc14 (void *pc, tcg_target_long target) | |
199 | { | |
200 | *(uint32_t *) pc = (*(uint32_t *) pc & ~0xfffc) | |
201 | | reloc_pc14_val (pc, target); | |
202 | } | |
203 | ||
204 | static void patch_reloc(uint8_t *code_ptr, int type, | |
205 | tcg_target_long value, tcg_target_long addend) | |
206 | { | |
207 | value += addend; | |
208 | switch (type) { | |
209 | case R_PPC_REL14: | |
210 | reloc_pc14 (code_ptr, value); | |
211 | break; | |
212 | case R_PPC_REL24: | |
213 | reloc_pc24 (code_ptr, value); | |
214 | break; | |
215 | default: | |
216 | tcg_abort(); | |
217 | } | |
218 | } | |
219 | ||
220 | /* maximum number of register used for input function arguments */ | |
221 | static int tcg_target_get_call_iarg_regs_count(int flags) | |
222 | { | |
b1503cda | 223 | return ARRAY_SIZE (tcg_target_call_iarg_regs); |
2662e13f FB |
224 | } |
225 | ||
226 | /* parse target specific constraints */ | |
227 | static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str) | |
228 | { | |
229 | const char *ct_str; | |
230 | ||
231 | ct_str = *pct_str; | |
232 | switch (ct_str[0]) { | |
398ce98e | 233 | case 'A': case 'B': case 'C': case 'D': |
234 | ct->ct |= TCG_CT_REG; | |
235 | tcg_regset_set_reg(ct->u.regs, 3 + ct_str[0] - 'A'); | |
236 | break; | |
2662e13f FB |
237 | case 'r': |
238 | ct->ct |= TCG_CT_REG; | |
239 | tcg_regset_set32(ct->u.regs, 0, 0xffffffff); | |
240 | break; | |
70fa887c | 241 | #ifdef CONFIG_SOFTMMU |
2662e13f FB |
242 | case 'L': /* qemu_ld constraint */ |
243 | ct->ct |= TCG_CT_REG; | |
244 | tcg_regset_set32(ct->u.regs, 0, 0xffffffff); | |
245 | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3); | |
246 | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4); | |
247 | break; | |
248 | case 'K': /* qemu_st[8..32] 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); | |
253 | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5); | |
254 | #if TARGET_LONG_BITS == 64 | |
255 | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6); | |
256 | #endif | |
257 | break; | |
258 | case 'M': /* qemu_st64 constraint */ | |
259 | ct->ct |= TCG_CT_REG; | |
260 | tcg_regset_set32(ct->u.regs, 0, 0xffffffff); | |
261 | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3); | |
262 | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4); | |
263 | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5); | |
264 | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6); | |
265 | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R7); | |
266 | break; | |
70fa887c | 267 | #else |
268 | case 'L': | |
269 | case 'K': | |
270 | ct->ct |= TCG_CT_REG; | |
271 | tcg_regset_set32(ct->u.regs, 0, 0xffffffff); | |
272 | break; | |
273 | case 'M': | |
274 | ct->ct |= TCG_CT_REG; | |
275 | tcg_regset_set32(ct->u.regs, 0, 0xffffffff); | |
276 | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3); | |
277 | break; | |
278 | #endif | |
2662e13f FB |
279 | default: |
280 | return -1; | |
281 | } | |
282 | ct_str++; | |
283 | *pct_str = ct_str; | |
284 | return 0; | |
285 | } | |
286 | ||
287 | /* test if a constant matches the constraint */ | |
288 | static int tcg_target_const_match(tcg_target_long val, | |
289 | const TCGArgConstraint *arg_ct) | |
290 | { | |
291 | int ct; | |
292 | ||
293 | ct = arg_ct->ct; | |
294 | if (ct & TCG_CT_CONST) | |
295 | return 1; | |
2662e13f FB |
296 | return 0; |
297 | } | |
298 | ||
299 | #define OPCD(opc) ((opc)<<26) | |
300 | #define XO31(opc) (OPCD(31)|((opc)<<1)) | |
301 | #define XO19(opc) (OPCD(19)|((opc)<<1)) | |
302 | ||
303 | #define B OPCD(18) | |
304 | #define BC OPCD(16) | |
305 | #define LBZ OPCD(34) | |
306 | #define LHZ OPCD(40) | |
307 | #define LHA OPCD(42) | |
308 | #define LWZ OPCD(32) | |
309 | #define STB OPCD(38) | |
310 | #define STH OPCD(44) | |
311 | #define STW OPCD(36) | |
312 | ||
b0809bf7 | 313 | #define ADDIC OPCD(12) |
2662e13f FB |
314 | #define ADDI OPCD(14) |
315 | #define ADDIS OPCD(15) | |
316 | #define ORI OPCD(24) | |
317 | #define ORIS OPCD(25) | |
318 | #define XORI OPCD(26) | |
319 | #define XORIS OPCD(27) | |
320 | #define ANDI OPCD(28) | |
321 | #define ANDIS OPCD(29) | |
322 | #define MULLI OPCD( 7) | |
323 | #define CMPLI OPCD(10) | |
324 | #define CMPI OPCD(11) | |
d616cf1d | 325 | #define SUBFIC OPCD( 8) |
2662e13f FB |
326 | |
327 | #define LWZU OPCD(33) | |
328 | #define STWU OPCD(37) | |
329 | ||
a884dcb8 | 330 | #define RLWIMI OPCD(20) |
2662e13f | 331 | #define RLWINM OPCD(21) |
65fe043e | 332 | #define RLWNM OPCD(23) |
2662e13f | 333 | |
c596defd | 334 | #define BCLR XO19( 16) |
2662e13f FB |
335 | #define BCCTR XO19(528) |
336 | #define CRAND XO19(257) | |
c596defd | 337 | #define CRANDC XO19(129) |
338 | #define CRNAND XO19(225) | |
339 | #define CROR XO19(449) | |
b0809bf7 | 340 | #define CRNOR XO19( 33) |
2662e13f FB |
341 | |
342 | #define EXTSB XO31(954) | |
343 | #define EXTSH XO31(922) | |
344 | #define ADD XO31(266) | |
345 | #define ADDE XO31(138) | |
346 | #define ADDC XO31( 10) | |
347 | #define AND XO31( 28) | |
348 | #define SUBF XO31( 40) | |
349 | #define SUBFC XO31( 8) | |
350 | #define SUBFE XO31(136) | |
351 | #define OR XO31(444) | |
352 | #define XOR XO31(316) | |
353 | #define MULLW XO31(235) | |
354 | #define MULHWU XO31( 11) | |
355 | #define DIVW XO31(491) | |
356 | #define DIVWU XO31(459) | |
357 | #define CMP XO31( 0) | |
358 | #define CMPL XO31( 32) | |
359 | #define LHBRX XO31(790) | |
360 | #define LWBRX XO31(534) | |
361 | #define STHBRX XO31(918) | |
362 | #define STWBRX XO31(662) | |
363 | #define MFSPR XO31(339) | |
364 | #define MTSPR XO31(467) | |
365 | #define SRAWI XO31(824) | |
366 | #define NEG XO31(104) | |
b0809bf7 | 367 | #define MFCR XO31( 19) |
368 | #define CNTLZW XO31( 26) | |
65fe043e | 369 | #define NOR XO31(124) |
370 | #define ANDC XO31( 60) | |
371 | #define ORC XO31(412) | |
aa77bebd | 372 | #define EQV XO31(284) |
373 | #define NAND XO31(476) | |
2662e13f FB |
374 | |
375 | #define LBZX XO31( 87) | |
4f4a67ae | 376 | #define LHZX XO31(279) |
2662e13f FB |
377 | #define LHAX XO31(343) |
378 | #define LWZX XO31( 23) | |
379 | #define STBX XO31(215) | |
380 | #define STHX XO31(407) | |
381 | #define STWX XO31(151) | |
382 | ||
383 | #define SPR(a,b) ((((a)<<5)|(b))<<11) | |
384 | #define LR SPR(8, 0) | |
385 | #define CTR SPR(9, 0) | |
386 | ||
387 | #define SLW XO31( 24) | |
388 | #define SRW XO31(536) | |
389 | #define SRAW XO31(792) | |
390 | ||
2662e13f FB |
391 | #define TW XO31(4) |
392 | #define TRAP (TW | TO (31)) | |
393 | ||
394 | #define RT(r) ((r)<<21) | |
395 | #define RS(r) ((r)<<21) | |
396 | #define RA(r) ((r)<<16) | |
397 | #define RB(r) ((r)<<11) | |
398 | #define TO(t) ((t)<<21) | |
399 | #define SH(s) ((s)<<11) | |
400 | #define MB(b) ((b)<<6) | |
401 | #define ME(e) ((e)<<1) | |
402 | #define BO(o) ((o)<<21) | |
403 | ||
404 | #define LK 1 | |
405 | ||
406 | #define TAB(t,a,b) (RT(t) | RA(a) | RB(b)) | |
407 | #define SAB(s,a,b) (RS(s) | RA(a) | RB(b)) | |
408 | ||
409 | #define BF(n) ((n)<<23) | |
410 | #define BI(n, c) (((c)+((n)*4))<<16) | |
411 | #define BT(n, c) (((c)+((n)*4))<<21) | |
412 | #define BA(n, c) (((c)+((n)*4))<<16) | |
413 | #define BB(n, c) (((c)+((n)*4))<<11) | |
414 | ||
415 | #define BO_COND_TRUE BO (12) | |
416 | #define BO_COND_FALSE BO (4) | |
417 | #define BO_ALWAYS BO (20) | |
418 | ||
419 | enum { | |
420 | CR_LT, | |
421 | CR_GT, | |
422 | CR_EQ, | |
423 | CR_SO | |
424 | }; | |
425 | ||
426 | static const uint32_t tcg_to_bc[10] = { | |
427 | [TCG_COND_EQ] = BC | BI (7, CR_EQ) | BO_COND_TRUE, | |
428 | [TCG_COND_NE] = BC | BI (7, CR_EQ) | BO_COND_FALSE, | |
429 | [TCG_COND_LT] = BC | BI (7, CR_LT) | BO_COND_TRUE, | |
430 | [TCG_COND_GE] = BC | BI (7, CR_LT) | BO_COND_FALSE, | |
431 | [TCG_COND_LE] = BC | BI (7, CR_GT) | BO_COND_FALSE, | |
432 | [TCG_COND_GT] = BC | BI (7, CR_GT) | BO_COND_TRUE, | |
433 | [TCG_COND_LTU] = BC | BI (7, CR_LT) | BO_COND_TRUE, | |
434 | [TCG_COND_GEU] = BC | BI (7, CR_LT) | BO_COND_FALSE, | |
435 | [TCG_COND_LEU] = BC | BI (7, CR_GT) | BO_COND_FALSE, | |
436 | [TCG_COND_GTU] = BC | BI (7, CR_GT) | BO_COND_TRUE, | |
437 | }; | |
438 | ||
2a534aff | 439 | static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) |
2662e13f FB |
440 | { |
441 | tcg_out32 (s, OR | SAB (arg, ret, arg)); | |
442 | } | |
443 | ||
444 | static void tcg_out_movi(TCGContext *s, TCGType type, | |
2a534aff | 445 | TCGReg ret, tcg_target_long arg) |
2662e13f FB |
446 | { |
447 | if (arg == (int16_t) arg) | |
448 | tcg_out32 (s, ADDI | RT (ret) | RA (0) | (arg & 0xffff)); | |
449 | else { | |
450 | tcg_out32 (s, ADDIS | RT (ret) | RA (0) | ((arg >> 16) & 0xffff)); | |
451 | if (arg & 0xffff) | |
0a878c47 | 452 | tcg_out32 (s, ORI | RS (ret) | RA (ret) | (arg & 0xffff)); |
2662e13f FB |
453 | } |
454 | } | |
455 | ||
456 | static void tcg_out_ldst (TCGContext *s, int ret, int addr, | |
457 | int offset, int op1, int op2) | |
458 | { | |
459 | if (offset == (int16_t) offset) | |
460 | tcg_out32 (s, op1 | RT (ret) | RA (addr) | (offset & 0xffff)); | |
461 | else { | |
462 | tcg_out_movi (s, TCG_TYPE_I32, 0, offset); | |
463 | tcg_out32 (s, op2 | RT (ret) | RA (addr) | RB (0)); | |
464 | } | |
465 | } | |
466 | ||
932a6909 FB |
467 | static void tcg_out_b (TCGContext *s, int mask, tcg_target_long target) |
468 | { | |
469 | tcg_target_long disp; | |
470 | ||
471 | disp = target - (tcg_target_long) s->code_ptr; | |
472 | if ((disp << 6) >> 6 == disp) | |
8c5e95d8 | 473 | tcg_out32 (s, B | (disp & 0x3fffffc) | mask); |
932a6909 FB |
474 | else { |
475 | tcg_out_movi (s, TCG_TYPE_I32, 0, (tcg_target_long) target); | |
476 | tcg_out32 (s, MTSPR | RS (0) | CTR); | |
477 | tcg_out32 (s, BCCTR | BO_ALWAYS | mask); | |
478 | } | |
479 | } | |
480 | ||
b29fe3ed | 481 | static void tcg_out_call (TCGContext *s, tcg_target_long arg, int const_arg) |
482 | { | |
6ec85236 | 483 | #ifdef _CALL_AIX |
b29fe3ed | 484 | int reg; |
485 | ||
486 | if (const_arg) { | |
487 | reg = 2; | |
488 | tcg_out_movi (s, TCG_TYPE_I32, reg, arg); | |
489 | } | |
490 | else reg = arg; | |
491 | ||
492 | tcg_out32 (s, LWZ | RT (0) | RA (reg)); | |
493 | tcg_out32 (s, MTSPR | RA (0) | CTR); | |
494 | tcg_out32 (s, LWZ | RT (2) | RA (reg) | 4); | |
495 | tcg_out32 (s, BCCTR | BO_ALWAYS | LK); | |
d9370327 | 496 | #else |
497 | if (const_arg) { | |
498 | tcg_out_b (s, LK, arg); | |
499 | } | |
500 | else { | |
501 | tcg_out32 (s, MTSPR | RS (arg) | LR); | |
502 | tcg_out32 (s, BCLR | BO_ALWAYS | LK); | |
503 | } | |
b29fe3ed | 504 | #endif |
d9370327 | 505 | } |
b29fe3ed | 506 | |
2662e13f | 507 | #if defined(CONFIG_SOFTMMU) |
79383c9c BS |
508 | |
509 | #include "../../softmmu_defs.h" | |
2662e13f FB |
510 | |
511 | static void *qemu_ld_helpers[4] = { | |
512 | __ldb_mmu, | |
513 | __ldw_mmu, | |
514 | __ldl_mmu, | |
515 | __ldq_mmu, | |
516 | }; | |
517 | ||
518 | static void *qemu_st_helpers[4] = { | |
519 | __stb_mmu, | |
520 | __stw_mmu, | |
521 | __stl_mmu, | |
522 | __stq_mmu, | |
523 | }; | |
524 | #endif | |
525 | ||
526 | static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc) | |
527 | { | |
70d705fd | 528 | int addr_reg, data_reg, data_reg2, r0, r1, rbase, bswap; |
2662e13f | 529 | #ifdef CONFIG_SOFTMMU |
70d705fd | 530 | int mem_index, s_bits, r2; |
2662e13f | 531 | void *label1_ptr, *label2_ptr; |
2662e13f FB |
532 | #if TARGET_LONG_BITS == 64 |
533 | int addr_reg2; | |
70d705fd | 534 | #endif |
2662e13f FB |
535 | #endif |
536 | ||
537 | data_reg = *args++; | |
538 | if (opc == 3) | |
539 | data_reg2 = *args++; | |
540 | else | |
541 | data_reg2 = 0; | |
542 | addr_reg = *args++; | |
70d705fd PM |
543 | |
544 | #ifdef CONFIG_SOFTMMU | |
2662e13f FB |
545 | #if TARGET_LONG_BITS == 64 |
546 | addr_reg2 = *args++; | |
547 | #endif | |
548 | mem_index = *args; | |
549 | s_bits = opc & 3; | |
2662e13f FB |
550 | r0 = 3; |
551 | r1 = 4; | |
552 | r2 = 0; | |
f6548c0a | 553 | rbase = 0; |
2662e13f FB |
554 | |
555 | tcg_out32 (s, (RLWINM | |
556 | | RA (r0) | |
557 | | RS (addr_reg) | |
558 | | SH (32 - (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS)) | |
559 | | MB (32 - (CPU_TLB_BITS + CPU_TLB_ENTRY_BITS)) | |
560 | | ME (31 - CPU_TLB_ENTRY_BITS) | |
561 | ) | |
562 | ); | |
563 | tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (TCG_AREG0)); | |
564 | tcg_out32 (s, (LWZU | |
565 | | RT (r1) | |
566 | | RA (r0) | |
567 | | offsetof (CPUState, tlb_table[mem_index][0].addr_read) | |
568 | ) | |
569 | ); | |
570 | tcg_out32 (s, (RLWINM | |
571 | | RA (r2) | |
572 | | RS (addr_reg) | |
573 | | SH (0) | |
574 | | MB ((32 - s_bits) & 31) | |
575 | | ME (31 - TARGET_PAGE_BITS) | |
576 | ) | |
577 | ); | |
578 | ||
579 | tcg_out32 (s, CMP | BF (7) | RA (r2) | RB (r1)); | |
580 | #if TARGET_LONG_BITS == 64 | |
581 | tcg_out32 (s, LWZ | RT (r1) | RA (r0) | 4); | |
582 | tcg_out32 (s, CMP | BF (6) | RA (addr_reg2) | RB (r1)); | |
583 | tcg_out32 (s, CRAND | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ)); | |
584 | #endif | |
585 | ||
586 | label1_ptr = s->code_ptr; | |
587 | #ifdef FAST_PATH | |
588 | tcg_out32 (s, BC | BI (7, CR_EQ) | BO_COND_TRUE); | |
589 | #endif | |
590 | ||
591 | /* slow path */ | |
592 | #if TARGET_LONG_BITS == 32 | |
3b6dac34 | 593 | tcg_out_mov (s, TCG_TYPE_I32, 3, addr_reg); |
2662e13f FB |
594 | tcg_out_movi (s, TCG_TYPE_I32, 4, mem_index); |
595 | #else | |
3b6dac34 RH |
596 | tcg_out_mov (s, TCG_TYPE_I32, 3, addr_reg2); |
597 | tcg_out_mov (s, TCG_TYPE_I32, 4, addr_reg); | |
2662e13f FB |
598 | tcg_out_movi (s, TCG_TYPE_I32, 5, mem_index); |
599 | #endif | |
600 | ||
b29fe3ed | 601 | tcg_out_call (s, (tcg_target_long) qemu_ld_helpers[s_bits], 1); |
2662e13f FB |
602 | switch (opc) { |
603 | case 0|4: | |
604 | tcg_out32 (s, EXTSB | RA (data_reg) | RS (3)); | |
605 | break; | |
606 | case 1|4: | |
607 | tcg_out32 (s, EXTSH | RA (data_reg) | RS (3)); | |
608 | break; | |
609 | case 0: | |
610 | case 1: | |
611 | case 2: | |
612 | if (data_reg != 3) | |
3b6dac34 | 613 | tcg_out_mov (s, TCG_TYPE_I32, data_reg, 3); |
2662e13f FB |
614 | break; |
615 | case 3: | |
616 | if (data_reg == 3) { | |
617 | if (data_reg2 == 4) { | |
3b6dac34 RH |
618 | tcg_out_mov (s, TCG_TYPE_I32, 0, 4); |
619 | tcg_out_mov (s, TCG_TYPE_I32, 4, 3); | |
620 | tcg_out_mov (s, TCG_TYPE_I32, 3, 0); | |
2662e13f FB |
621 | } |
622 | else { | |
3b6dac34 RH |
623 | tcg_out_mov (s, TCG_TYPE_I32, data_reg2, 3); |
624 | tcg_out_mov (s, TCG_TYPE_I32, 3, 4); | |
2662e13f FB |
625 | } |
626 | } | |
627 | else { | |
3b6dac34 RH |
628 | if (data_reg != 4) tcg_out_mov (s, TCG_TYPE_I32, data_reg, 4); |
629 | if (data_reg2 != 3) tcg_out_mov (s, TCG_TYPE_I32, data_reg2, 3); | |
2662e13f FB |
630 | } |
631 | break; | |
632 | } | |
633 | label2_ptr = s->code_ptr; | |
634 | tcg_out32 (s, B); | |
635 | ||
636 | /* label1: fast path */ | |
637 | #ifdef FAST_PATH | |
638 | reloc_pc14 (label1_ptr, (tcg_target_long) s->code_ptr); | |
639 | #endif | |
640 | ||
641 | /* r0 now contains &env->tlb_table[mem_index][index].addr_read */ | |
642 | tcg_out32 (s, (LWZ | |
643 | | RT (r0) | |
644 | | RA (r0) | |
355b1943 | 645 | | (offsetof (CPUTLBEntry, addend) |
2662e13f FB |
646 | - offsetof (CPUTLBEntry, addr_read)) |
647 | )); | |
648 | /* r0 = env->tlb_table[mem_index][index].addend */ | |
649 | tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (addr_reg)); | |
650 | /* r0 = env->tlb_table[mem_index][index].addend + addr */ | |
651 | ||
652 | #else /* !CONFIG_SOFTMMU */ | |
653 | r0 = addr_reg; | |
f8edcbaa | 654 | r1 = 3; |
f6548c0a | 655 | rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0; |
2662e13f FB |
656 | #endif |
657 | ||
658 | #ifdef TARGET_WORDS_BIGENDIAN | |
659 | bswap = 0; | |
660 | #else | |
661 | bswap = 1; | |
662 | #endif | |
f6548c0a | 663 | |
2662e13f FB |
664 | switch (opc) { |
665 | default: | |
666 | case 0: | |
f6548c0a | 667 | tcg_out32 (s, LBZX | TAB (data_reg, rbase, r0)); |
2662e13f FB |
668 | break; |
669 | case 0|4: | |
f6548c0a | 670 | tcg_out32 (s, LBZX | TAB (data_reg, rbase, r0)); |
2662e13f FB |
671 | tcg_out32 (s, EXTSB | RA (data_reg) | RS (data_reg)); |
672 | break; | |
673 | case 1: | |
f6548c0a | 674 | if (bswap) |
675 | tcg_out32 (s, LHBRX | TAB (data_reg, rbase, r0)); | |
676 | else | |
677 | tcg_out32 (s, LHZX | TAB (data_reg, rbase, r0)); | |
2662e13f FB |
678 | break; |
679 | case 1|4: | |
680 | if (bswap) { | |
f6548c0a | 681 | tcg_out32 (s, LHBRX | TAB (data_reg, rbase, r0)); |
2662e13f FB |
682 | tcg_out32 (s, EXTSH | RA (data_reg) | RS (data_reg)); |
683 | } | |
f6548c0a | 684 | else tcg_out32 (s, LHAX | TAB (data_reg, rbase, r0)); |
2662e13f FB |
685 | break; |
686 | case 2: | |
f6548c0a | 687 | if (bswap) |
688 | tcg_out32 (s, LWBRX | TAB (data_reg, rbase, r0)); | |
689 | else | |
690 | tcg_out32 (s, LWZX | TAB (data_reg, rbase, r0)); | |
2662e13f FB |
691 | break; |
692 | case 3: | |
693 | if (bswap) { | |
f6548c0a | 694 | tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4); |
695 | tcg_out32 (s, LWBRX | TAB (data_reg, rbase, r0)); | |
696 | tcg_out32 (s, LWBRX | TAB (data_reg2, rbase, r1)); | |
2662e13f FB |
697 | } |
698 | else { | |
f6548c0a | 699 | #ifdef CONFIG_USE_GUEST_BASE |
700 | tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4); | |
701 | tcg_out32 (s, LWZX | TAB (data_reg2, rbase, r0)); | |
702 | tcg_out32 (s, LWZX | TAB (data_reg, rbase, r1)); | |
703 | #else | |
2662e13f FB |
704 | if (r0 == data_reg2) { |
705 | tcg_out32 (s, LWZ | RT (0) | RA (r0)); | |
706 | tcg_out32 (s, LWZ | RT (data_reg) | RA (r0) | 4); | |
3b6dac34 | 707 | tcg_out_mov (s, TCG_TYPE_I32, data_reg2, 0); |
2662e13f FB |
708 | } |
709 | else { | |
710 | tcg_out32 (s, LWZ | RT (data_reg2) | RA (r0)); | |
711 | tcg_out32 (s, LWZ | RT (data_reg) | RA (r0) | 4); | |
712 | } | |
f6548c0a | 713 | #endif |
2662e13f FB |
714 | } |
715 | break; | |
716 | } | |
717 | ||
718 | #ifdef CONFIG_SOFTMMU | |
719 | reloc_pc24 (label2_ptr, (tcg_target_long) s->code_ptr); | |
720 | #endif | |
721 | } | |
722 | ||
723 | static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc) | |
724 | { | |
70d705fd | 725 | int addr_reg, r0, r1, data_reg, data_reg2, bswap, rbase; |
2662e13f | 726 | #ifdef CONFIG_SOFTMMU |
70d705fd | 727 | int mem_index, r2, ir; |
2662e13f | 728 | void *label1_ptr, *label2_ptr; |
2662e13f FB |
729 | #if TARGET_LONG_BITS == 64 |
730 | int addr_reg2; | |
70d705fd | 731 | #endif |
2662e13f FB |
732 | #endif |
733 | ||
734 | data_reg = *args++; | |
735 | if (opc == 3) | |
736 | data_reg2 = *args++; | |
737 | else | |
738 | data_reg2 = 0; | |
739 | addr_reg = *args++; | |
70d705fd PM |
740 | |
741 | #ifdef CONFIG_SOFTMMU | |
2662e13f FB |
742 | #if TARGET_LONG_BITS == 64 |
743 | addr_reg2 = *args++; | |
744 | #endif | |
745 | mem_index = *args; | |
2662e13f FB |
746 | r0 = 3; |
747 | r1 = 4; | |
748 | r2 = 0; | |
f6548c0a | 749 | rbase = 0; |
2662e13f FB |
750 | |
751 | tcg_out32 (s, (RLWINM | |
752 | | RA (r0) | |
753 | | RS (addr_reg) | |
754 | | SH (32 - (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS)) | |
755 | | MB (32 - (CPU_TLB_ENTRY_BITS + CPU_TLB_BITS)) | |
756 | | ME (31 - CPU_TLB_ENTRY_BITS) | |
757 | ) | |
758 | ); | |
759 | tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (TCG_AREG0)); | |
760 | tcg_out32 (s, (LWZU | |
761 | | RT (r1) | |
762 | | RA (r0) | |
763 | | offsetof (CPUState, tlb_table[mem_index][0].addr_write) | |
764 | ) | |
765 | ); | |
766 | tcg_out32 (s, (RLWINM | |
767 | | RA (r2) | |
768 | | RS (addr_reg) | |
769 | | SH (0) | |
770 | | MB ((32 - opc) & 31) | |
771 | | ME (31 - TARGET_PAGE_BITS) | |
772 | ) | |
773 | ); | |
774 | ||
775 | tcg_out32 (s, CMP | (7 << 23) | RA (r2) | RB (r1)); | |
776 | #if TARGET_LONG_BITS == 64 | |
777 | tcg_out32 (s, LWZ | RT (r1) | RA (r0) | 4); | |
778 | tcg_out32 (s, CMP | BF (6) | RA (addr_reg2) | RB (r1)); | |
779 | tcg_out32 (s, CRAND | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ)); | |
780 | #endif | |
781 | ||
782 | label1_ptr = s->code_ptr; | |
783 | #ifdef FAST_PATH | |
784 | tcg_out32 (s, BC | BI (7, CR_EQ) | BO_COND_TRUE); | |
785 | #endif | |
786 | ||
787 | /* slow path */ | |
788 | #if TARGET_LONG_BITS == 32 | |
3b6dac34 | 789 | tcg_out_mov (s, TCG_TYPE_I32, 3, addr_reg); |
2662e13f FB |
790 | ir = 4; |
791 | #else | |
3b6dac34 RH |
792 | tcg_out_mov (s, TCG_TYPE_I32, 3, addr_reg2); |
793 | tcg_out_mov (s, TCG_TYPE_I32, 4, addr_reg); | |
f9bf2987 | 794 | #ifdef TCG_TARGET_CALL_ALIGN_ARGS |
2662e13f | 795 | ir = 5; |
f9bf2987 | 796 | #else |
797 | ir = 4; | |
798 | #endif | |
2662e13f FB |
799 | #endif |
800 | ||
801 | switch (opc) { | |
802 | case 0: | |
803 | tcg_out32 (s, (RLWINM | |
804 | | RA (ir) | |
805 | | RS (data_reg) | |
806 | | SH (0) | |
807 | | MB (24) | |
808 | | ME (31))); | |
809 | break; | |
810 | case 1: | |
811 | tcg_out32 (s, (RLWINM | |
812 | | RA (ir) | |
813 | | RS (data_reg) | |
814 | | SH (0) | |
815 | | MB (16) | |
816 | | ME (31))); | |
817 | break; | |
818 | case 2: | |
3b6dac34 | 819 | tcg_out_mov (s, TCG_TYPE_I32, ir, data_reg); |
2662e13f FB |
820 | break; |
821 | case 3: | |
f9bf2987 | 822 | #ifdef TCG_TARGET_CALL_ALIGN_ARGS |
823 | ir = 5; | |
824 | #endif | |
3b6dac34 RH |
825 | tcg_out_mov (s, TCG_TYPE_I32, ir++, data_reg2); |
826 | tcg_out_mov (s, TCG_TYPE_I32, ir, data_reg); | |
2662e13f FB |
827 | break; |
828 | } | |
829 | ir++; | |
830 | ||
831 | tcg_out_movi (s, TCG_TYPE_I32, ir, mem_index); | |
b29fe3ed | 832 | tcg_out_call (s, (tcg_target_long) qemu_st_helpers[opc], 1); |
2662e13f FB |
833 | label2_ptr = s->code_ptr; |
834 | tcg_out32 (s, B); | |
835 | ||
836 | /* label1: fast path */ | |
837 | #ifdef FAST_PATH | |
838 | reloc_pc14 (label1_ptr, (tcg_target_long) s->code_ptr); | |
839 | #endif | |
840 | ||
841 | tcg_out32 (s, (LWZ | |
842 | | RT (r0) | |
843 | | RA (r0) | |
355b1943 | 844 | | (offsetof (CPUTLBEntry, addend) |
2662e13f FB |
845 | - offsetof (CPUTLBEntry, addr_write)) |
846 | )); | |
847 | /* r0 = env->tlb_table[mem_index][index].addend */ | |
848 | tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (addr_reg)); | |
849 | /* r0 = env->tlb_table[mem_index][index].addend + addr */ | |
850 | ||
851 | #else /* !CONFIG_SOFTMMU */ | |
2662e13f | 852 | r0 = addr_reg; |
f6548c0a | 853 | r1 = 3; |
a71836de | 854 | rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0; |
2662e13f FB |
855 | #endif |
856 | ||
857 | #ifdef TARGET_WORDS_BIGENDIAN | |
858 | bswap = 0; | |
859 | #else | |
860 | bswap = 1; | |
861 | #endif | |
862 | switch (opc) { | |
863 | case 0: | |
f6548c0a | 864 | tcg_out32 (s, STBX | SAB (data_reg, rbase, r0)); |
2662e13f FB |
865 | break; |
866 | case 1: | |
f6548c0a | 867 | if (bswap) |
868 | tcg_out32 (s, STHBRX | SAB (data_reg, rbase, r0)); | |
869 | else | |
870 | tcg_out32 (s, STHX | SAB (data_reg, rbase, r0)); | |
2662e13f FB |
871 | break; |
872 | case 2: | |
f6548c0a | 873 | if (bswap) |
874 | tcg_out32 (s, STWBRX | SAB (data_reg, rbase, r0)); | |
875 | else | |
876 | tcg_out32 (s, STWX | SAB (data_reg, rbase, r0)); | |
2662e13f FB |
877 | break; |
878 | case 3: | |
879 | if (bswap) { | |
880 | tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4); | |
f6548c0a | 881 | tcg_out32 (s, STWBRX | SAB (data_reg, rbase, r0)); |
882 | tcg_out32 (s, STWBRX | SAB (data_reg2, rbase, r1)); | |
2662e13f FB |
883 | } |
884 | else { | |
f6548c0a | 885 | #ifdef CONFIG_USE_GUEST_BASE |
886 | tcg_out32 (s, STWX | SAB (data_reg2, rbase, r0)); | |
887 | tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4); | |
888 | tcg_out32 (s, STWX | SAB (data_reg, rbase, r1)); | |
889 | #else | |
2662e13f FB |
890 | tcg_out32 (s, STW | RS (data_reg2) | RA (r0)); |
891 | tcg_out32 (s, STW | RS (data_reg) | RA (r0) | 4); | |
f6548c0a | 892 | #endif |
2662e13f FB |
893 | } |
894 | break; | |
895 | } | |
896 | ||
897 | #ifdef CONFIG_SOFTMMU | |
898 | reloc_pc24 (label2_ptr, (tcg_target_long) s->code_ptr); | |
899 | #endif | |
900 | } | |
901 | ||
e4d58b41 | 902 | static void tcg_target_qemu_prologue (TCGContext *s) |
2662e13f | 903 | { |
0d5bd363 | 904 | int i, frame_size; |
2662e13f FB |
905 | |
906 | frame_size = 0 | |
f9bf2987 | 907 | + LINKAGE_AREA_SIZE |
2662e13f FB |
908 | + TCG_STATIC_CALL_ARGS_SIZE |
909 | + ARRAY_SIZE (tcg_target_callee_save_regs) * 4 | |
136a0b5a | 910 | + CPU_TEMP_BUF_NLONGS * sizeof(long) |
2662e13f FB |
911 | ; |
912 | frame_size = (frame_size + 15) & ~15; | |
913 | ||
136a0b5a BS |
914 | tcg_set_frame(s, TCG_REG_CALL_STACK, frame_size |
915 | - CPU_TEMP_BUF_NLONGS * sizeof(long), | |
916 | CPU_TEMP_BUF_NLONGS * sizeof(long)); | |
917 | ||
6ec85236 | 918 | #ifdef _CALL_AIX |
b29fe3ed | 919 | { |
920 | uint32_t addr; | |
921 | ||
922 | /* First emit adhoc function descriptor */ | |
923 | addr = (uint32_t) s->code_ptr + 12; | |
924 | tcg_out32 (s, addr); /* entry point */ | |
925 | s->code_ptr += 8; /* skip TOC and environment pointer */ | |
926 | } | |
927 | #endif | |
2662e13f FB |
928 | tcg_out32 (s, MFSPR | RT (0) | LR); |
929 | tcg_out32 (s, STWU | RS (1) | RA (1) | (-frame_size & 0xffff)); | |
930 | for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i) | |
931 | tcg_out32 (s, (STW | |
932 | | RS (tcg_target_callee_save_regs[i]) | |
933 | | RA (1) | |
f9bf2987 | 934 | | (i * 4 + LINKAGE_AREA_SIZE + TCG_STATIC_CALL_ARGS_SIZE) |
2662e13f FB |
935 | ) |
936 | ); | |
2946898b | 937 | tcg_out32 (s, STW | RS (0) | RA (1) | (frame_size + LR_OFFSET)); |
2662e13f | 938 | |
f6548c0a | 939 | #ifdef CONFIG_USE_GUEST_BASE |
b9e946c7 RH |
940 | if (GUEST_BASE) { |
941 | tcg_out_movi (s, TCG_TYPE_I32, TCG_GUEST_BASE_REG, GUEST_BASE); | |
942 | tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG); | |
943 | } | |
f6548c0a | 944 | #endif |
945 | ||
cea5f9a2 BS |
946 | tcg_out_mov (s, TCG_TYPE_PTR, TCG_AREG0, tcg_target_call_iarg_regs[0]); |
947 | tcg_out32 (s, MTSPR | RS (tcg_target_call_iarg_regs[1]) | CTR); | |
2662e13f FB |
948 | tcg_out32 (s, BCCTR | BO_ALWAYS); |
949 | tb_ret_addr = s->code_ptr; | |
950 | ||
951 | for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i) | |
952 | tcg_out32 (s, (LWZ | |
953 | | RT (tcg_target_callee_save_regs[i]) | |
954 | | RA (1) | |
f9bf2987 | 955 | | (i * 4 + LINKAGE_AREA_SIZE + TCG_STATIC_CALL_ARGS_SIZE) |
2662e13f FB |
956 | ) |
957 | ); | |
2946898b | 958 | tcg_out32 (s, LWZ | RT (0) | RA (1) | (frame_size + LR_OFFSET)); |
2662e13f FB |
959 | tcg_out32 (s, MTSPR | RS (0) | LR); |
960 | tcg_out32 (s, ADDI | RT (1) | RA (1) | frame_size); | |
961 | tcg_out32 (s, BCLR | BO_ALWAYS); | |
962 | } | |
963 | ||
2a534aff | 964 | static void tcg_out_ld (TCGContext *s, TCGType type, TCGReg ret, TCGReg arg1, |
2662e13f FB |
965 | tcg_target_long arg2) |
966 | { | |
967 | tcg_out_ldst (s, ret, arg1, arg2, LWZ, LWZX); | |
968 | } | |
969 | ||
2a534aff | 970 | static void tcg_out_st (TCGContext *s, TCGType type, TCGReg arg, TCGReg arg1, |
2662e13f FB |
971 | tcg_target_long arg2) |
972 | { | |
973 | tcg_out_ldst (s, arg, arg1, arg2, STW, STWX); | |
974 | } | |
975 | ||
976 | static void ppc_addi (TCGContext *s, int rt, int ra, tcg_target_long si) | |
977 | { | |
978 | if (!si && rt == ra) | |
979 | return; | |
980 | ||
981 | if (si == (int16_t) si) | |
982 | tcg_out32 (s, ADDI | RT (rt) | RA (ra) | (si & 0xffff)); | |
983 | else { | |
984 | uint16_t h = ((si >> 16) & 0xffff) + ((uint16_t) si >> 15); | |
985 | tcg_out32 (s, ADDIS | RT (rt) | RA (ra) | h); | |
986 | tcg_out32 (s, ADDI | RT (rt) | RA (rt) | (si & 0xffff)); | |
987 | } | |
988 | } | |
989 | ||
c596defd | 990 | static void tcg_out_cmp (TCGContext *s, int cond, TCGArg arg1, TCGArg arg2, |
991 | int const_arg2, int cr) | |
2662e13f | 992 | { |
2662e13f FB |
993 | int imm; |
994 | uint32_t op; | |
995 | ||
2662e13f | 996 | switch (cond) { |
f3f478a7 FB |
997 | case TCG_COND_EQ: |
998 | case TCG_COND_NE: | |
999 | if (const_arg2) { | |
1000 | if ((int16_t) arg2 == arg2) { | |
1001 | op = CMPI; | |
1002 | imm = 1; | |
1003 | break; | |
1004 | } | |
1005 | else if ((uint16_t) arg2 == arg2) { | |
1006 | op = CMPLI; | |
1007 | imm = 1; | |
1008 | break; | |
1009 | } | |
1010 | } | |
1011 | op = CMPL; | |
1012 | imm = 0; | |
1013 | break; | |
1014 | ||
1015 | case TCG_COND_LT: | |
1016 | case TCG_COND_GE: | |
1017 | case TCG_COND_LE: | |
1018 | case TCG_COND_GT: | |
1019 | if (const_arg2) { | |
1020 | if ((int16_t) arg2 == arg2) { | |
1021 | op = CMPI; | |
1022 | imm = 1; | |
1023 | break; | |
1024 | } | |
1025 | } | |
1026 | op = CMP; | |
1027 | imm = 0; | |
1028 | break; | |
1029 | ||
1030 | case TCG_COND_LTU: | |
1031 | case TCG_COND_GEU: | |
1032 | case TCG_COND_LEU: | |
1033 | case TCG_COND_GTU: | |
1034 | if (const_arg2) { | |
1035 | if ((uint16_t) arg2 == arg2) { | |
1036 | op = CMPLI; | |
1037 | imm = 1; | |
1038 | break; | |
1039 | } | |
1040 | } | |
1041 | op = CMPL; | |
1042 | imm = 0; | |
1043 | break; | |
1044 | ||
2662e13f FB |
1045 | default: |
1046 | tcg_abort (); | |
1047 | } | |
c596defd | 1048 | op |= BF (cr); |
2662e13f FB |
1049 | |
1050 | if (imm) | |
1051 | tcg_out32 (s, op | RA (arg1) | (arg2 & 0xffff)); | |
1052 | else { | |
1053 | if (const_arg2) { | |
1054 | tcg_out_movi (s, TCG_TYPE_I32, 0, arg2); | |
1055 | tcg_out32 (s, op | RA (arg1) | RB (0)); | |
1056 | } | |
1057 | else | |
1058 | tcg_out32 (s, op | RA (arg1) | RB (arg2)); | |
1059 | } | |
1060 | ||
c596defd | 1061 | } |
1062 | ||
1063 | static void tcg_out_bc (TCGContext *s, int bc, int label_index) | |
1064 | { | |
1065 | TCGLabel *l = &s->labels[label_index]; | |
1066 | ||
0a878c47 | 1067 | if (l->has_value) |
c596defd | 1068 | tcg_out32 (s, bc | reloc_pc14_val (s->code_ptr, l->u.value)); |
2662e13f | 1069 | else { |
0a878c47 | 1070 | uint16_t val = *(uint16_t *) &s->code_ptr[2]; |
1071 | ||
1072 | /* Thanks to Andrzej Zaborowski */ | |
c596defd | 1073 | tcg_out32 (s, bc | (val & 0xfffc)); |
2662e13f FB |
1074 | tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL14, label_index, 0); |
1075 | } | |
1076 | } | |
1077 | ||
b0809bf7 | 1078 | static void tcg_out_cr7eq_from_cond (TCGContext *s, const TCGArg *args, |
1079 | const int *const_args) | |
c596defd | 1080 | { |
8a56e840 RH |
1081 | TCGCond cond = args[4]; |
1082 | int op; | |
c596defd | 1083 | struct { int bit1; int bit2; int cond2; } bits[] = { |
1084 | [TCG_COND_LT ] = { CR_LT, CR_LT, TCG_COND_LT }, | |
1085 | [TCG_COND_LE ] = { CR_LT, CR_GT, TCG_COND_LT }, | |
1086 | [TCG_COND_GT ] = { CR_GT, CR_GT, TCG_COND_GT }, | |
1087 | [TCG_COND_GE ] = { CR_GT, CR_LT, TCG_COND_GT }, | |
1088 | [TCG_COND_LTU] = { CR_LT, CR_LT, TCG_COND_LTU }, | |
1089 | [TCG_COND_LEU] = { CR_LT, CR_GT, TCG_COND_LTU }, | |
1090 | [TCG_COND_GTU] = { CR_GT, CR_GT, TCG_COND_GTU }, | |
1091 | [TCG_COND_GEU] = { CR_GT, CR_LT, TCG_COND_GTU }, | |
1092 | }, *b = &bits[cond]; | |
1093 | ||
1094 | switch (cond) { | |
2662e13f | 1095 | case TCG_COND_EQ: |
2662e13f | 1096 | case TCG_COND_NE: |
e924c485 | 1097 | op = (cond == TCG_COND_EQ) ? CRAND : CRNAND; |
1098 | tcg_out_cmp (s, cond, args[0], args[2], const_args[2], 6); | |
1099 | tcg_out_cmp (s, cond, args[1], args[3], const_args[3], 7); | |
1100 | tcg_out32 (s, op | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ)); | |
2662e13f FB |
1101 | break; |
1102 | case TCG_COND_LT: | |
2662e13f | 1103 | case TCG_COND_LE: |
2662e13f | 1104 | case TCG_COND_GT: |
2662e13f | 1105 | case TCG_COND_GE: |
2662e13f | 1106 | case TCG_COND_LTU: |
2662e13f | 1107 | case TCG_COND_LEU: |
2662e13f | 1108 | case TCG_COND_GTU: |
2662e13f | 1109 | case TCG_COND_GEU: |
c596defd | 1110 | op = (b->bit1 != b->bit2) ? CRANDC : CRAND; |
1111 | tcg_out_cmp (s, b->cond2, args[1], args[3], const_args[3], 5); | |
efe72c8d | 1112 | tcg_out_cmp (s, tcg_unsigned_cond (cond), args[0], args[2], |
1113 | const_args[2], 7); | |
606257c6 | 1114 | tcg_out32 (s, op | BT (7, CR_EQ) | BA (5, CR_EQ) | BB (7, b->bit2)); |
c596defd | 1115 | tcg_out32 (s, CROR | BT (7, CR_EQ) | BA (5, b->bit1) | BB (7, CR_EQ)); |
2662e13f FB |
1116 | break; |
1117 | default: | |
1118 | tcg_abort(); | |
1119 | } | |
b0809bf7 | 1120 | } |
1121 | ||
8a56e840 | 1122 | static void tcg_out_setcond (TCGContext *s, TCGCond cond, TCGArg arg0, |
b0809bf7 | 1123 | TCGArg arg1, TCGArg arg2, int const_arg2) |
1124 | { | |
1125 | int crop, sh, arg; | |
1126 | ||
1127 | switch (cond) { | |
1128 | case TCG_COND_EQ: | |
1129 | if (const_arg2) { | |
1130 | if (!arg2) { | |
1131 | arg = arg1; | |
1132 | } | |
1133 | else { | |
1134 | arg = 0; | |
1135 | if ((uint16_t) arg2 == arg2) { | |
1136 | tcg_out32 (s, XORI | RS (arg1) | RA (0) | arg2); | |
1137 | } | |
1138 | else { | |
1139 | tcg_out_movi (s, TCG_TYPE_I32, 0, arg2); | |
1140 | tcg_out32 (s, XOR | SAB (arg1, 0, 0)); | |
1141 | } | |
1142 | } | |
1143 | } | |
1144 | else { | |
1145 | arg = 0; | |
1146 | tcg_out32 (s, XOR | SAB (arg1, 0, arg2)); | |
1147 | } | |
1148 | tcg_out32 (s, CNTLZW | RS (arg) | RA (0)); | |
1149 | tcg_out32 (s, (RLWINM | |
1150 | | RA (arg0) | |
1151 | | RS (0) | |
1152 | | SH (27) | |
1153 | | MB (5) | |
1154 | | ME (31) | |
1155 | ) | |
1156 | ); | |
27a7797b | 1157 | break; |
b0809bf7 | 1158 | |
1159 | case TCG_COND_NE: | |
1160 | if (const_arg2) { | |
1161 | if (!arg2) { | |
1162 | arg = arg1; | |
1163 | } | |
1164 | else { | |
1165 | arg = 0; | |
1166 | if ((uint16_t) arg2 == arg2) { | |
1167 | tcg_out32 (s, XORI | RS (arg1) | RA (0) | arg2); | |
1168 | } | |
1169 | else { | |
1170 | tcg_out_movi (s, TCG_TYPE_I32, 0, arg2); | |
1171 | tcg_out32 (s, XOR | SAB (arg1, 0, 0)); | |
1172 | } | |
1173 | } | |
1174 | } | |
1175 | else { | |
1176 | arg = 0; | |
1177 | tcg_out32 (s, XOR | SAB (arg1, 0, arg2)); | |
1178 | } | |
1179 | ||
1180 | if (arg == arg1 && arg1 == arg0) { | |
1181 | tcg_out32 (s, ADDIC | RT (0) | RA (arg) | 0xffff); | |
1182 | tcg_out32 (s, SUBFE | TAB (arg0, 0, arg)); | |
1183 | } | |
1184 | else { | |
1185 | tcg_out32 (s, ADDIC | RT (arg0) | RA (arg) | 0xffff); | |
1186 | tcg_out32 (s, SUBFE | TAB (arg0, arg0, arg)); | |
1187 | } | |
27a7797b | 1188 | break; |
1189 | ||
1190 | case TCG_COND_GT: | |
1191 | case TCG_COND_GTU: | |
1192 | sh = 30; | |
1193 | crop = 0; | |
1194 | goto crtest; | |
b0809bf7 | 1195 | |
b0809bf7 | 1196 | case TCG_COND_LT: |
27a7797b | 1197 | case TCG_COND_LTU: |
b0809bf7 | 1198 | sh = 29; |
1199 | crop = 0; | |
27a7797b | 1200 | goto crtest; |
b0809bf7 | 1201 | |
b0809bf7 | 1202 | case TCG_COND_GE: |
27a7797b | 1203 | case TCG_COND_GEU: |
b0809bf7 | 1204 | sh = 31; |
1205 | crop = CRNOR | BT (7, CR_EQ) | BA (7, CR_LT) | BB (7, CR_LT); | |
27a7797b | 1206 | goto crtest; |
b0809bf7 | 1207 | |
b0809bf7 | 1208 | case TCG_COND_LE: |
27a7797b | 1209 | case TCG_COND_LEU: |
b0809bf7 | 1210 | sh = 31; |
1211 | crop = CRNOR | BT (7, CR_EQ) | BA (7, CR_GT) | BB (7, CR_GT); | |
27a7797b | 1212 | crtest: |
1213 | tcg_out_cmp (s, cond, arg1, arg2, const_arg2, 7); | |
1214 | if (crop) tcg_out32 (s, crop); | |
1215 | tcg_out32 (s, MFCR | RT (0)); | |
1216 | tcg_out32 (s, (RLWINM | |
1217 | | RA (arg0) | |
1218 | | RS (0) | |
1219 | | SH (sh) | |
1220 | | MB (31) | |
1221 | | ME (31) | |
1222 | ) | |
1223 | ); | |
b0809bf7 | 1224 | break; |
1225 | ||
1226 | default: | |
1227 | tcg_abort (); | |
1228 | } | |
b0809bf7 | 1229 | } |
1230 | ||
1231 | static void tcg_out_setcond2 (TCGContext *s, const TCGArg *args, | |
1232 | const int *const_args) | |
1233 | { | |
1234 | tcg_out_cr7eq_from_cond (s, args + 1, const_args + 1); | |
1235 | tcg_out32 (s, MFCR | RT (0)); | |
1236 | tcg_out32 (s, (RLWINM | |
1237 | | RA (args[0]) | |
1238 | | RS (0) | |
1239 | | SH (31) | |
1240 | | MB (31) | |
1241 | | ME (31) | |
1242 | ) | |
1243 | ); | |
1244 | } | |
1245 | ||
8a56e840 | 1246 | static void tcg_out_brcond (TCGContext *s, TCGCond cond, |
b0809bf7 | 1247 | TCGArg arg1, TCGArg arg2, int const_arg2, |
1248 | int label_index) | |
1249 | { | |
1250 | tcg_out_cmp (s, cond, arg1, arg2, const_arg2, 7); | |
1251 | tcg_out_bc (s, tcg_to_bc[cond], label_index); | |
1252 | } | |
1253 | ||
1254 | /* XXX: we implement it at the target level to avoid having to | |
1255 | handle cross basic blocks temporaries */ | |
1256 | static void tcg_out_brcond2 (TCGContext *s, const TCGArg *args, | |
1257 | const int *const_args) | |
1258 | { | |
1259 | tcg_out_cr7eq_from_cond (s, args, const_args); | |
1260 | tcg_out_bc (s, (BC | BI (7, CR_EQ) | BO_COND_TRUE), args[5]); | |
2662e13f FB |
1261 | } |
1262 | ||
52781543 | 1263 | void ppc_tb_set_jmp_target (unsigned long jmp_addr, unsigned long addr) |
1264 | { | |
1265 | uint32_t *ptr; | |
1266 | long disp = addr - jmp_addr; | |
1267 | unsigned long patch_size; | |
1268 | ||
1269 | ptr = (uint32_t *)jmp_addr; | |
1270 | ||
1271 | if ((disp << 6) >> 6 != disp) { | |
1272 | ptr[0] = 0x3c000000 | (addr >> 16); /* lis 0,addr@ha */ | |
1273 | ptr[1] = 0x60000000 | (addr & 0xffff); /* la 0,addr@l(0) */ | |
1274 | ptr[2] = 0x7c0903a6; /* mtctr 0 */ | |
1275 | ptr[3] = 0x4e800420; /* brctr */ | |
1276 | patch_size = 16; | |
1277 | } else { | |
1278 | /* patch the branch destination */ | |
1279 | if (disp != 16) { | |
1280 | *ptr = 0x48000000 | (disp & 0x03fffffc); /* b disp */ | |
1281 | patch_size = 4; | |
1282 | } else { | |
1283 | ptr[0] = 0x60000000; /* nop */ | |
1284 | ptr[1] = 0x60000000; | |
1285 | ptr[2] = 0x60000000; | |
1286 | ptr[3] = 0x60000000; | |
1287 | patch_size = 16; | |
1288 | } | |
1289 | } | |
1290 | /* flush icache */ | |
1291 | flush_icache_range(jmp_addr, jmp_addr + patch_size); | |
1292 | } | |
1293 | ||
a9751609 | 1294 | static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, |
2662e13f FB |
1295 | const int *const_args) |
1296 | { | |
1297 | switch (opc) { | |
1298 | case INDEX_op_exit_tb: | |
1299 | tcg_out_movi (s, TCG_TYPE_I32, TCG_REG_R3, args[0]); | |
932a6909 | 1300 | tcg_out_b (s, 0, (tcg_target_long) tb_ret_addr); |
2662e13f FB |
1301 | break; |
1302 | case INDEX_op_goto_tb: | |
1303 | if (s->tb_jmp_offset) { | |
1304 | /* direct jump method */ | |
932a6909 | 1305 | |
2662e13f | 1306 | s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf; |
0a878c47 | 1307 | s->code_ptr += 16; |
932a6909 FB |
1308 | } |
1309 | else { | |
2662e13f FB |
1310 | tcg_abort (); |
1311 | } | |
1312 | s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf; | |
1313 | break; | |
1314 | case INDEX_op_br: | |
1315 | { | |
1316 | TCGLabel *l = &s->labels[args[0]]; | |
1317 | ||
1318 | if (l->has_value) { | |
932a6909 | 1319 | tcg_out_b (s, 0, l->u.value); |
2662e13f FB |
1320 | } |
1321 | else { | |
0a878c47 | 1322 | uint32_t val = *(uint32_t *) s->code_ptr; |
1323 | ||
1324 | /* Thanks to Andrzej Zaborowski */ | |
1325 | tcg_out32 (s, B | (val & 0x3fffffc)); | |
2662e13f FB |
1326 | tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL24, args[0], 0); |
1327 | } | |
1328 | } | |
1329 | break; | |
1330 | case INDEX_op_call: | |
b29fe3ed | 1331 | tcg_out_call (s, args[0], const_args[0]); |
2662e13f FB |
1332 | break; |
1333 | case INDEX_op_jmp: | |
1334 | if (const_args[0]) { | |
932a6909 | 1335 | tcg_out_b (s, 0, args[0]); |
2662e13f FB |
1336 | } |
1337 | else { | |
1338 | tcg_out32 (s, MTSPR | RS (args[0]) | CTR); | |
1339 | tcg_out32 (s, BCCTR | BO_ALWAYS); | |
1340 | } | |
1341 | break; | |
1342 | case INDEX_op_movi_i32: | |
1343 | tcg_out_movi(s, TCG_TYPE_I32, args[0], args[1]); | |
1344 | break; | |
1345 | case INDEX_op_ld8u_i32: | |
1346 | tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX); | |
1347 | break; | |
1348 | case INDEX_op_ld8s_i32: | |
1349 | tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX); | |
1350 | tcg_out32 (s, EXTSB | RS (args[0]) | RA (args[0])); | |
1351 | break; | |
1352 | case INDEX_op_ld16u_i32: | |
1353 | tcg_out_ldst (s, args[0], args[1], args[2], LHZ, LHZX); | |
1354 | break; | |
1355 | case INDEX_op_ld16s_i32: | |
1356 | tcg_out_ldst (s, args[0], args[1], args[2], LHA, LHAX); | |
1357 | break; | |
1358 | case INDEX_op_ld_i32: | |
1359 | tcg_out_ldst (s, args[0], args[1], args[2], LWZ, LWZX); | |
1360 | break; | |
1361 | case INDEX_op_st8_i32: | |
1362 | tcg_out_ldst (s, args[0], args[1], args[2], STB, STBX); | |
1363 | break; | |
1364 | case INDEX_op_st16_i32: | |
1365 | tcg_out_ldst (s, args[0], args[1], args[2], STH, STHX); | |
1366 | break; | |
1367 | case INDEX_op_st_i32: | |
1368 | tcg_out_ldst (s, args[0], args[1], args[2], STW, STWX); | |
1369 | break; | |
1370 | ||
1371 | case INDEX_op_add_i32: | |
1372 | if (const_args[2]) | |
1373 | ppc_addi (s, args[0], args[1], args[2]); | |
1374 | else | |
1375 | tcg_out32 (s, ADD | TAB (args[0], args[1], args[2])); | |
1376 | break; | |
1377 | case INDEX_op_sub_i32: | |
1378 | if (const_args[2]) | |
1379 | ppc_addi (s, args[0], args[1], -args[2]); | |
1380 | else | |
1381 | tcg_out32 (s, SUBF | TAB (args[0], args[2], args[1])); | |
1382 | break; | |
1383 | ||
1384 | case INDEX_op_and_i32: | |
1385 | if (const_args[2]) { | |
c45851c4 | 1386 | uint32_t c; |
1387 | ||
1388 | c = args[2]; | |
1389 | ||
1390 | if (!c) { | |
1391 | tcg_out_movi (s, TCG_TYPE_I32, args[0], 0); | |
1392 | break; | |
1393 | } | |
1394 | #ifdef __PPU__ | |
1395 | uint32_t t, n; | |
1396 | int mb, me; | |
1397 | ||
1398 | n = c ^ -(c & 1); | |
1399 | t = n + (n & -n); | |
1400 | ||
1401 | if ((t & (t - 1)) == 0) { | |
1402 | int lzc, tzc; | |
1403 | ||
1404 | if ((c & 0x80000001) == 0x80000001) { | |
1405 | lzc = clz32 (n); | |
1406 | tzc = ctz32 (n); | |
1407 | ||
1408 | mb = 32 - tzc; | |
1409 | me = lzc - 1; | |
1410 | } | |
1411 | else { | |
1412 | lzc = clz32 (c); | |
1413 | tzc = ctz32 (c); | |
1414 | ||
1415 | mb = lzc; | |
1416 | me = 31 - tzc; | |
1417 | } | |
1418 | ||
1419 | tcg_out32 (s, (RLWINM | |
1420 | | RA (args[0]) | |
1421 | | RS (args[1]) | |
1422 | | SH (0) | |
1423 | | MB (mb) | |
1424 | | ME (me) | |
1425 | ) | |
1426 | ); | |
1427 | } | |
1428 | else | |
1429 | #endif /* !__PPU__ */ | |
1430 | { | |
1431 | if ((c & 0xffff) == c) | |
1432 | tcg_out32 (s, ANDI | RS (args[1]) | RA (args[0]) | c); | |
1433 | else if ((c & 0xffff0000) == c) | |
1434 | tcg_out32 (s, ANDIS | RS (args[1]) | RA (args[0]) | |
1435 | | ((c >> 16) & 0xffff)); | |
1436 | else { | |
1437 | tcg_out_movi (s, TCG_TYPE_I32, 0, c); | |
1438 | tcg_out32 (s, AND | SAB (args[1], args[0], 0)); | |
1439 | } | |
2662e13f FB |
1440 | } |
1441 | } | |
1442 | else | |
1443 | tcg_out32 (s, AND | SAB (args[1], args[0], args[2])); | |
1444 | break; | |
1445 | case INDEX_op_or_i32: | |
1446 | if (const_args[2]) { | |
000a2d86 | 1447 | if (args[2] & 0xffff) { |
1448 | tcg_out32 (s, ORI | RS (args[1]) | RA (args[0]) | |
1449 | | (args[2] & 0xffff)); | |
1450 | if (args[2] >> 16) | |
1451 | tcg_out32 (s, ORIS | RS (args[0]) | RA (args[0]) | |
2662e13f | 1452 | | ((args[2] >> 16) & 0xffff)); |
2662e13f FB |
1453 | } |
1454 | else { | |
000a2d86 | 1455 | tcg_out32 (s, ORIS | RS (args[1]) | RA (args[0]) |
1456 | | ((args[2] >> 16) & 0xffff)); | |
2662e13f FB |
1457 | } |
1458 | } | |
1459 | else | |
1460 | tcg_out32 (s, OR | SAB (args[1], args[0], args[2])); | |
1461 | break; | |
1462 | case INDEX_op_xor_i32: | |
1463 | if (const_args[2]) { | |
000a2d86 | 1464 | if ((args[2] & 0xffff) == args[2]) |
1465 | tcg_out32 (s, XORI | RS (args[1]) | RA (args[0]) | |
1466 | | (args[2] & 0xffff)); | |
1467 | else if ((args[2] & 0xffff0000) == args[2]) | |
1468 | tcg_out32 (s, XORIS | RS (args[1]) | RA (args[0]) | |
1469 | | ((args[2] >> 16) & 0xffff)); | |
2662e13f | 1470 | else { |
000a2d86 | 1471 | tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]); |
1472 | tcg_out32 (s, XOR | SAB (args[1], args[0], 0)); | |
2662e13f FB |
1473 | } |
1474 | } | |
1475 | else | |
1476 | tcg_out32 (s, XOR | SAB (args[1], args[0], args[2])); | |
1477 | break; | |
65fe043e | 1478 | case INDEX_op_andc_i32: |
1479 | tcg_out32 (s, ANDC | SAB (args[1], args[0], args[2])); | |
1480 | break; | |
1481 | case INDEX_op_orc_i32: | |
1482 | tcg_out32 (s, ORC | SAB (args[1], args[0], args[2])); | |
1483 | break; | |
aa77bebd | 1484 | case INDEX_op_eqv_i32: |
1485 | tcg_out32 (s, EQV | SAB (args[1], args[0], args[2])); | |
1486 | break; | |
1487 | case INDEX_op_nand_i32: | |
1488 | tcg_out32 (s, NAND | SAB (args[1], args[0], args[2])); | |
1489 | break; | |
1490 | case INDEX_op_nor_i32: | |
1491 | tcg_out32 (s, NOR | SAB (args[1], args[0], args[2])); | |
1492 | break; | |
2662e13f FB |
1493 | |
1494 | case INDEX_op_mul_i32: | |
1495 | if (const_args[2]) { | |
1496 | if (args[2] == (int16_t) args[2]) | |
1497 | tcg_out32 (s, MULLI | RT (args[0]) | RA (args[1]) | |
1498 | | (args[2] & 0xffff)); | |
1499 | else { | |
1500 | tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]); | |
1501 | tcg_out32 (s, MULLW | TAB (args[0], args[1], 0)); | |
1502 | } | |
1503 | } | |
1504 | else | |
1505 | tcg_out32 (s, MULLW | TAB (args[0], args[1], args[2])); | |
1506 | break; | |
77b73de6 | 1507 | |
1508 | case INDEX_op_div_i32: | |
1509 | tcg_out32 (s, DIVW | TAB (args[0], args[1], args[2])); | |
1510 | break; | |
1511 | ||
1512 | case INDEX_op_divu_i32: | |
1513 | tcg_out32 (s, DIVWU | TAB (args[0], args[1], args[2])); | |
1514 | break; | |
1515 | ||
1516 | case INDEX_op_rem_i32: | |
1517 | tcg_out32 (s, DIVW | TAB (0, args[1], args[2])); | |
1518 | tcg_out32 (s, MULLW | TAB (0, 0, args[2])); | |
1519 | tcg_out32 (s, SUBF | TAB (args[0], 0, args[1])); | |
1520 | break; | |
1521 | ||
1522 | case INDEX_op_remu_i32: | |
1523 | tcg_out32 (s, DIVWU | TAB (0, args[1], args[2])); | |
1524 | tcg_out32 (s, MULLW | TAB (0, 0, args[2])); | |
1525 | tcg_out32 (s, SUBF | TAB (args[0], 0, args[1])); | |
1526 | break; | |
1527 | ||
2662e13f FB |
1528 | case INDEX_op_mulu2_i32: |
1529 | if (args[0] == args[2] || args[0] == args[3]) { | |
1530 | tcg_out32 (s, MULLW | TAB (0, args[2], args[3])); | |
1531 | tcg_out32 (s, MULHWU | TAB (args[1], args[2], args[3])); | |
3b6dac34 | 1532 | tcg_out_mov (s, TCG_TYPE_I32, args[0], 0); |
2662e13f FB |
1533 | } |
1534 | else { | |
1535 | tcg_out32 (s, MULLW | TAB (args[0], args[2], args[3])); | |
1536 | tcg_out32 (s, MULHWU | TAB (args[1], args[2], args[3])); | |
1537 | } | |
1538 | break; | |
2662e13f FB |
1539 | |
1540 | case INDEX_op_shl_i32: | |
1541 | if (const_args[2]) { | |
000a2d86 | 1542 | tcg_out32 (s, (RLWINM |
1543 | | RA (args[0]) | |
1544 | | RS (args[1]) | |
1545 | | SH (args[2]) | |
1546 | | MB (0) | |
1547 | | ME (31 - args[2]) | |
1548 | ) | |
1549 | ); | |
2662e13f FB |
1550 | } |
1551 | else | |
1552 | tcg_out32 (s, SLW | SAB (args[1], args[0], args[2])); | |
1553 | break; | |
1554 | case INDEX_op_shr_i32: | |
1555 | if (const_args[2]) { | |
000a2d86 | 1556 | tcg_out32 (s, (RLWINM |
1557 | | RA (args[0]) | |
1558 | | RS (args[1]) | |
1559 | | SH (32 - args[2]) | |
1560 | | MB (args[2]) | |
1561 | | ME (31) | |
1562 | ) | |
1563 | ); | |
2662e13f FB |
1564 | } |
1565 | else | |
1566 | tcg_out32 (s, SRW | SAB (args[1], args[0], args[2])); | |
1567 | break; | |
1568 | case INDEX_op_sar_i32: | |
1569 | if (const_args[2]) | |
1570 | tcg_out32 (s, SRAWI | RS (args[1]) | RA (args[0]) | SH (args[2])); | |
1571 | else | |
1572 | tcg_out32 (s, SRAW | SAB (args[1], args[0], args[2])); | |
1573 | break; | |
65fe043e | 1574 | case INDEX_op_rotl_i32: |
1575 | { | |
1576 | int op = 0 | |
1577 | | RA (args[0]) | |
1578 | | RS (args[1]) | |
1579 | | MB (0) | |
1580 | | ME (31) | |
1581 | | (const_args[2] ? RLWINM | SH (args[2]) | |
1582 | : RLWNM | RB (args[2])) | |
1583 | ; | |
1584 | tcg_out32 (s, op); | |
1585 | } | |
1586 | break; | |
1587 | case INDEX_op_rotr_i32: | |
1588 | if (const_args[2]) { | |
1589 | if (!args[2]) { | |
3b6dac34 | 1590 | tcg_out_mov (s, TCG_TYPE_I32, args[0], args[1]); |
65fe043e | 1591 | } |
1592 | else { | |
1593 | tcg_out32 (s, RLWINM | |
1594 | | RA (args[0]) | |
1595 | | RS (args[1]) | |
1596 | | SH (32 - args[2]) | |
1597 | | MB (0) | |
1598 | | ME (31) | |
1599 | ); | |
1600 | } | |
1601 | } | |
1602 | else { | |
d616cf1d | 1603 | tcg_out32 (s, SUBFIC | RT (0) | RA (args[2]) | 32); |
65fe043e | 1604 | tcg_out32 (s, RLWNM |
1605 | | RA (args[0]) | |
1606 | | RS (args[1]) | |
1607 | | RB (0) | |
1608 | | MB (0) | |
1609 | | ME (31) | |
1610 | ); | |
1611 | } | |
1612 | break; | |
2662e13f FB |
1613 | |
1614 | case INDEX_op_add2_i32: | |
1615 | if (args[0] == args[3] || args[0] == args[5]) { | |
1616 | tcg_out32 (s, ADDC | TAB (0, args[2], args[4])); | |
1617 | tcg_out32 (s, ADDE | TAB (args[1], args[3], args[5])); | |
3b6dac34 | 1618 | tcg_out_mov (s, TCG_TYPE_I32, args[0], 0); |
2662e13f FB |
1619 | } |
1620 | else { | |
1621 | tcg_out32 (s, ADDC | TAB (args[0], args[2], args[4])); | |
1622 | tcg_out32 (s, ADDE | TAB (args[1], args[3], args[5])); | |
1623 | } | |
1624 | break; | |
1625 | case INDEX_op_sub2_i32: | |
1626 | if (args[0] == args[3] || args[0] == args[5]) { | |
1627 | tcg_out32 (s, SUBFC | TAB (0, args[4], args[2])); | |
1628 | tcg_out32 (s, SUBFE | TAB (args[1], args[5], args[3])); | |
3b6dac34 | 1629 | tcg_out_mov (s, TCG_TYPE_I32, args[0], 0); |
2662e13f FB |
1630 | } |
1631 | else { | |
1632 | tcg_out32 (s, SUBFC | TAB (args[0], args[4], args[2])); | |
1633 | tcg_out32 (s, SUBFE | TAB (args[1], args[5], args[3])); | |
1634 | } | |
1635 | break; | |
1636 | ||
1637 | case INDEX_op_brcond_i32: | |
1638 | /* | |
1639 | args[0] = r0 | |
1640 | args[1] = r1 | |
1641 | args[2] = cond | |
1642 | args[3] = r1 is const | |
1643 | args[4] = label_index | |
1644 | */ | |
1645 | tcg_out_brcond (s, args[2], args[0], args[1], const_args[1], args[3]); | |
1646 | break; | |
1647 | case INDEX_op_brcond2_i32: | |
1648 | tcg_out_brcond2(s, args, const_args); | |
1649 | break; | |
1650 | ||
1651 | case INDEX_op_neg_i32: | |
1652 | tcg_out32 (s, NEG | RT (args[0]) | RA (args[1])); | |
1653 | break; | |
1654 | ||
65fe043e | 1655 | case INDEX_op_not_i32: |
36368cf0 | 1656 | tcg_out32 (s, NOR | SAB (args[1], args[0], args[1])); |
65fe043e | 1657 | break; |
1658 | ||
2662e13f FB |
1659 | case INDEX_op_qemu_ld8u: |
1660 | tcg_out_qemu_ld(s, args, 0); | |
1661 | break; | |
1662 | case INDEX_op_qemu_ld8s: | |
1663 | tcg_out_qemu_ld(s, args, 0 | 4); | |
1664 | break; | |
1665 | case INDEX_op_qemu_ld16u: | |
1666 | tcg_out_qemu_ld(s, args, 1); | |
1667 | break; | |
1668 | case INDEX_op_qemu_ld16s: | |
1669 | tcg_out_qemu_ld(s, args, 1 | 4); | |
1670 | break; | |
86feb1c8 | 1671 | case INDEX_op_qemu_ld32: |
2662e13f FB |
1672 | tcg_out_qemu_ld(s, args, 2); |
1673 | break; | |
1674 | case INDEX_op_qemu_ld64: | |
1675 | tcg_out_qemu_ld(s, args, 3); | |
1676 | break; | |
1677 | case INDEX_op_qemu_st8: | |
1678 | tcg_out_qemu_st(s, args, 0); | |
1679 | break; | |
1680 | case INDEX_op_qemu_st16: | |
1681 | tcg_out_qemu_st(s, args, 1); | |
1682 | break; | |
1683 | case INDEX_op_qemu_st32: | |
1684 | tcg_out_qemu_st(s, args, 2); | |
1685 | break; | |
1686 | case INDEX_op_qemu_st64: | |
1687 | tcg_out_qemu_st(s, args, 3); | |
1688 | break; | |
1689 | ||
e46b9681 | 1690 | case INDEX_op_ext8s_i32: |
1691 | tcg_out32 (s, EXTSB | RS (args[1]) | RA (args[0])); | |
1692 | break; | |
65fe043e | 1693 | case INDEX_op_ext8u_i32: |
1694 | tcg_out32 (s, RLWINM | |
1695 | | RA (args[0]) | |
1696 | | RS (args[1]) | |
1697 | | SH (0) | |
1698 | | MB (24) | |
1699 | | ME (31) | |
1700 | ); | |
1701 | break; | |
e46b9681 | 1702 | case INDEX_op_ext16s_i32: |
1703 | tcg_out32 (s, EXTSH | RS (args[1]) | RA (args[0])); | |
1704 | break; | |
65fe043e | 1705 | case INDEX_op_ext16u_i32: |
1706 | tcg_out32 (s, RLWINM | |
1707 | | RA (args[0]) | |
1708 | | RS (args[1]) | |
1709 | | SH (0) | |
1710 | | MB (16) | |
1711 | | ME (31) | |
1712 | ); | |
1713 | break; | |
e46b9681 | 1714 | |
b0809bf7 | 1715 | case INDEX_op_setcond_i32: |
1716 | tcg_out_setcond (s, args[3], args[0], args[1], args[2], const_args[2]); | |
1717 | break; | |
1718 | case INDEX_op_setcond2_i32: | |
1719 | tcg_out_setcond2 (s, args, const_args); | |
1720 | break; | |
1721 | ||
a884dcb8 | 1722 | case INDEX_op_bswap16_i32: |
1723 | /* Stolen from gcc's builtin_bswap16 */ | |
1724 | ||
1725 | /* a1 = abcd */ | |
1726 | ||
1727 | /* r0 = (a1 << 8) & 0xff00 # 00d0 */ | |
1728 | tcg_out32 (s, RLWINM | |
1729 | | RA (0) | |
1730 | | RS (args[1]) | |
1731 | | SH (8) | |
1732 | | MB (16) | |
1733 | | ME (23) | |
1734 | ); | |
1735 | ||
1736 | /* a0 = rotate_left (a1, 24) & 0xff # 000c */ | |
1737 | tcg_out32 (s, RLWINM | |
1738 | | RA (args[0]) | |
1739 | | RS (args[1]) | |
1740 | | SH (24) | |
1741 | | MB (24) | |
1742 | | ME (31) | |
1743 | ); | |
1744 | ||
1745 | /* a0 = a0 | r0 # 00dc */ | |
1746 | tcg_out32 (s, OR | SAB (0, args[0], args[0])); | |
1747 | break; | |
1748 | ||
1749 | case INDEX_op_bswap32_i32: | |
1750 | /* Stolen from gcc's builtin_bswap32 */ | |
1751 | { | |
1752 | int a0 = args[0]; | |
1753 | ||
1754 | /* a1 = args[1] # abcd */ | |
1755 | ||
1756 | if (a0 == args[1]) { | |
1757 | a0 = 0; | |
1758 | } | |
1759 | ||
1760 | /* a0 = rotate_left (a1, 8) # bcda */ | |
1761 | tcg_out32 (s, RLWINM | |
1762 | | RA (a0) | |
1763 | | RS (args[1]) | |
1764 | | SH (8) | |
1765 | | MB (0) | |
1766 | | ME (31) | |
1767 | ); | |
1768 | ||
1769 | /* a0 = (a0 & ~0xff000000) | ((a1 << 24) & 0xff000000) # dcda */ | |
1770 | tcg_out32 (s, RLWIMI | |
1771 | | RA (a0) | |
1772 | | RS (args[1]) | |
1773 | | SH (24) | |
1774 | | MB (0) | |
1775 | | ME (7) | |
1776 | ); | |
1777 | ||
1778 | /* a0 = (a0 & ~0x0000ff00) | ((a1 << 24) & 0x0000ff00) # dcba */ | |
1779 | tcg_out32 (s, RLWIMI | |
1780 | | RA (a0) | |
1781 | | RS (args[1]) | |
1782 | | SH (24) | |
1783 | | MB (16) | |
1784 | | ME (23) | |
1785 | ); | |
1786 | ||
1787 | if (!a0) { | |
3b6dac34 | 1788 | tcg_out_mov (s, TCG_TYPE_I32, args[0], a0); |
a884dcb8 | 1789 | } |
1790 | } | |
1791 | break; | |
1792 | ||
350dba6c | 1793 | case INDEX_op_deposit_i32: |
1794 | tcg_out32 (s, RLWIMI | |
1795 | | RA (args[0]) | |
1796 | | RS (args[2]) | |
1797 | | SH (args[3]) | |
1798 | | MB (32 - args[3] - args[4]) | |
1799 | | ME (31 - args[3]) | |
1800 | ); | |
1801 | break; | |
1802 | ||
2662e13f FB |
1803 | default: |
1804 | tcg_dump_ops (s, stderr); | |
1805 | tcg_abort (); | |
1806 | } | |
1807 | } | |
1808 | ||
1809 | static const TCGTargetOpDef ppc_op_defs[] = { | |
1810 | { INDEX_op_exit_tb, { } }, | |
1811 | { INDEX_op_goto_tb, { } }, | |
932a6909 FB |
1812 | { INDEX_op_call, { "ri" } }, |
1813 | { INDEX_op_jmp, { "ri" } }, | |
2662e13f FB |
1814 | { INDEX_op_br, { } }, |
1815 | ||
1816 | { INDEX_op_mov_i32, { "r", "r" } }, | |
1817 | { INDEX_op_movi_i32, { "r" } }, | |
1818 | { INDEX_op_ld8u_i32, { "r", "r" } }, | |
1819 | { INDEX_op_ld8s_i32, { "r", "r" } }, | |
1820 | { INDEX_op_ld16u_i32, { "r", "r" } }, | |
1821 | { INDEX_op_ld16s_i32, { "r", "r" } }, | |
1822 | { INDEX_op_ld_i32, { "r", "r" } }, | |
1823 | { INDEX_op_st8_i32, { "r", "r" } }, | |
1824 | { INDEX_op_st16_i32, { "r", "r" } }, | |
1825 | { INDEX_op_st_i32, { "r", "r" } }, | |
1826 | ||
1827 | { INDEX_op_add_i32, { "r", "r", "ri" } }, | |
1828 | { INDEX_op_mul_i32, { "r", "r", "ri" } }, | |
77b73de6 | 1829 | { INDEX_op_div_i32, { "r", "r", "r" } }, |
1830 | { INDEX_op_divu_i32, { "r", "r", "r" } }, | |
1831 | { INDEX_op_rem_i32, { "r", "r", "r" } }, | |
1832 | { INDEX_op_remu_i32, { "r", "r", "r" } }, | |
2662e13f | 1833 | { INDEX_op_mulu2_i32, { "r", "r", "r", "r" } }, |
2662e13f FB |
1834 | { INDEX_op_sub_i32, { "r", "r", "ri" } }, |
1835 | { INDEX_op_and_i32, { "r", "r", "ri" } }, | |
1836 | { INDEX_op_or_i32, { "r", "r", "ri" } }, | |
1837 | { INDEX_op_xor_i32, { "r", "r", "ri" } }, | |
1838 | ||
1839 | { INDEX_op_shl_i32, { "r", "r", "ri" } }, | |
1840 | { INDEX_op_shr_i32, { "r", "r", "ri" } }, | |
1841 | { INDEX_op_sar_i32, { "r", "r", "ri" } }, | |
1842 | ||
65fe043e | 1843 | { INDEX_op_rotl_i32, { "r", "r", "ri" } }, |
1844 | { INDEX_op_rotr_i32, { "r", "r", "ri" } }, | |
1845 | ||
2662e13f FB |
1846 | { INDEX_op_brcond_i32, { "r", "ri" } }, |
1847 | ||
1848 | { INDEX_op_add2_i32, { "r", "r", "r", "r", "r", "r" } }, | |
1849 | { INDEX_op_sub2_i32, { "r", "r", "r", "r", "r", "r" } }, | |
1850 | { INDEX_op_brcond2_i32, { "r", "r", "r", "r" } }, | |
1851 | ||
1852 | { INDEX_op_neg_i32, { "r", "r" } }, | |
65fe043e | 1853 | { INDEX_op_not_i32, { "r", "r" } }, |
1854 | ||
1855 | { INDEX_op_andc_i32, { "r", "r", "r" } }, | |
1856 | { INDEX_op_orc_i32, { "r", "r", "r" } }, | |
aa77bebd | 1857 | { INDEX_op_eqv_i32, { "r", "r", "r" } }, |
1858 | { INDEX_op_nand_i32, { "r", "r", "r" } }, | |
1859 | { INDEX_op_nor_i32, { "r", "r", "r" } }, | |
2662e13f | 1860 | |
b0809bf7 | 1861 | { INDEX_op_setcond_i32, { "r", "r", "ri" } }, |
1862 | { INDEX_op_setcond2_i32, { "r", "r", "r", "ri", "ri" } }, | |
1863 | ||
a884dcb8 | 1864 | { INDEX_op_bswap16_i32, { "r", "r" } }, |
1865 | { INDEX_op_bswap32_i32, { "r", "r" } }, | |
1866 | ||
2662e13f FB |
1867 | #if TARGET_LONG_BITS == 32 |
1868 | { INDEX_op_qemu_ld8u, { "r", "L" } }, | |
1869 | { INDEX_op_qemu_ld8s, { "r", "L" } }, | |
1870 | { INDEX_op_qemu_ld16u, { "r", "L" } }, | |
1871 | { INDEX_op_qemu_ld16s, { "r", "L" } }, | |
86feb1c8 | 1872 | { INDEX_op_qemu_ld32, { "r", "L" } }, |
2662e13f FB |
1873 | { INDEX_op_qemu_ld64, { "r", "r", "L" } }, |
1874 | ||
1875 | { INDEX_op_qemu_st8, { "K", "K" } }, | |
1876 | { INDEX_op_qemu_st16, { "K", "K" } }, | |
1877 | { INDEX_op_qemu_st32, { "K", "K" } }, | |
1878 | { INDEX_op_qemu_st64, { "M", "M", "M" } }, | |
1879 | #else | |
1880 | { INDEX_op_qemu_ld8u, { "r", "L", "L" } }, | |
1881 | { INDEX_op_qemu_ld8s, { "r", "L", "L" } }, | |
1882 | { INDEX_op_qemu_ld16u, { "r", "L", "L" } }, | |
1883 | { INDEX_op_qemu_ld16s, { "r", "L", "L" } }, | |
86feb1c8 | 1884 | { INDEX_op_qemu_ld32, { "r", "L", "L" } }, |
2662e13f FB |
1885 | { INDEX_op_qemu_ld64, { "r", "L", "L", "L" } }, |
1886 | ||
1887 | { INDEX_op_qemu_st8, { "K", "K", "K" } }, | |
1888 | { INDEX_op_qemu_st16, { "K", "K", "K" } }, | |
1889 | { INDEX_op_qemu_st32, { "K", "K", "K" } }, | |
1890 | { INDEX_op_qemu_st64, { "M", "M", "M", "M" } }, | |
1891 | #endif | |
1892 | ||
e46b9681 | 1893 | { INDEX_op_ext8s_i32, { "r", "r" } }, |
65fe043e | 1894 | { INDEX_op_ext8u_i32, { "r", "r" } }, |
e46b9681 | 1895 | { INDEX_op_ext16s_i32, { "r", "r" } }, |
65fe043e | 1896 | { INDEX_op_ext16u_i32, { "r", "r" } }, |
e46b9681 | 1897 | |
350dba6c | 1898 | { INDEX_op_deposit_i32, { "r", "0", "r" } }, |
1899 | ||
2662e13f FB |
1900 | { -1 }, |
1901 | }; | |
1902 | ||
e4d58b41 | 1903 | static void tcg_target_init(TCGContext *s) |
2662e13f FB |
1904 | { |
1905 | tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff); | |
1906 | tcg_regset_set32(tcg_target_call_clobber_regs, 0, | |
1907 | (1 << TCG_REG_R0) | | |
6ec85236 | 1908 | #ifdef _CALL_DARWIN |
f9bf2987 | 1909 | (1 << TCG_REG_R2) | |
1910 | #endif | |
2662e13f FB |
1911 | (1 << TCG_REG_R3) | |
1912 | (1 << TCG_REG_R4) | | |
1913 | (1 << TCG_REG_R5) | | |
1914 | (1 << TCG_REG_R6) | | |
1915 | (1 << TCG_REG_R7) | | |
1916 | (1 << TCG_REG_R8) | | |
1917 | (1 << TCG_REG_R9) | | |
1918 | (1 << TCG_REG_R10) | | |
1919 | (1 << TCG_REG_R11) | | |
1920 | (1 << TCG_REG_R12) | |
1921 | ); | |
1922 | ||
1923 | tcg_regset_clear(s->reserved_regs); | |
1924 | tcg_regset_set_reg(s->reserved_regs, TCG_REG_R0); | |
1925 | tcg_regset_set_reg(s->reserved_regs, TCG_REG_R1); | |
6ec85236 | 1926 | #ifndef _CALL_DARWIN |
2662e13f | 1927 | tcg_regset_set_reg(s->reserved_regs, TCG_REG_R2); |
f9bf2987 | 1928 | #endif |
6ec85236 | 1929 | #ifdef _CALL_SYSV |
5db3ee79 | 1930 | tcg_regset_set_reg(s->reserved_regs, TCG_REG_R13); |
1931 | #endif | |
2662e13f FB |
1932 | |
1933 | tcg_add_target_add_op_defs(ppc_op_defs); | |
1934 | } |