Elliott Hughes | 5b80804 | 2021-10-01 10:56:10 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Stack-less Just-In-Time compiler |
| 3 | * |
| 4 | * Copyright Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without modification, are |
| 7 | * permitted provided that the following conditions are met: |
| 8 | * |
| 9 | * 1. Redistributions of source code must retain the above copyright notice, this list of |
| 10 | * conditions and the following disclaimer. |
| 11 | * |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright notice, this list |
| 13 | * of conditions and the following disclaimer in the documentation and/or other materials |
| 14 | * provided with the distribution. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY |
| 17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
| 19 | * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED |
| 21 | * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 22 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| 24 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | */ |
| 26 | |
| 27 | SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void) |
| 28 | { |
| 29 | return "PowerPC" SLJIT_CPUINFO; |
| 30 | } |
| 31 | |
| 32 | /* Length of an instruction word. |
| 33 | Both for ppc-32 and ppc-64. */ |
| 34 | typedef sljit_u32 sljit_ins; |
| 35 | |
| 36 | #if ((defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) && (defined _AIX)) \ |
| 37 | || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 38 | #define SLJIT_PPC_STACK_FRAME_V2 1 |
| 39 | #endif |
| 40 | |
| 41 | #ifdef _AIX |
| 42 | #include <sys/cache.h> |
| 43 | #endif |
| 44 | |
| 45 | #if (defined _CALL_ELF && _CALL_ELF == 2) |
| 46 | #define SLJIT_PASS_ENTRY_ADDR_TO_CALL 1 |
| 47 | #endif |
| 48 | |
| 49 | #if (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) |
| 50 | |
| 51 | static void ppc_cache_flush(sljit_ins *from, sljit_ins *to) |
| 52 | { |
| 53 | #ifdef _AIX |
| 54 | _sync_cache_range((caddr_t)from, (int)((size_t)to - (size_t)from)); |
| 55 | #elif defined(__GNUC__) || (defined(__IBM_GCC_ASM) && __IBM_GCC_ASM) |
| 56 | # if defined(_ARCH_PWR) || defined(_ARCH_PWR2) |
| 57 | /* Cache flush for POWER architecture. */ |
| 58 | while (from < to) { |
| 59 | __asm__ volatile ( |
| 60 | "clf 0, %0\n" |
| 61 | "dcs\n" |
| 62 | : : "r"(from) |
| 63 | ); |
| 64 | from++; |
| 65 | } |
| 66 | __asm__ volatile ( "ics" ); |
| 67 | # elif defined(_ARCH_COM) && !defined(_ARCH_PPC) |
| 68 | # error "Cache flush is not implemented for PowerPC/POWER common mode." |
| 69 | # else |
| 70 | /* Cache flush for PowerPC architecture. */ |
| 71 | while (from < to) { |
| 72 | __asm__ volatile ( |
| 73 | "dcbf 0, %0\n" |
| 74 | "sync\n" |
| 75 | "icbi 0, %0\n" |
| 76 | : : "r"(from) |
| 77 | ); |
| 78 | from++; |
| 79 | } |
| 80 | __asm__ volatile ( "isync" ); |
| 81 | # endif |
| 82 | # ifdef __xlc__ |
| 83 | # warning "This file may fail to compile if -qfuncsect is used" |
| 84 | # endif |
| 85 | #elif defined(__xlc__) |
| 86 | #error "Please enable GCC syntax for inline assembly statements with -qasm=gcc" |
| 87 | #else |
| 88 | #error "This platform requires a cache flush implementation." |
| 89 | #endif /* _AIX */ |
| 90 | } |
| 91 | |
| 92 | #endif /* (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) */ |
| 93 | |
| 94 | #define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2) |
| 95 | #define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3) |
| 96 | #define TMP_ZERO (SLJIT_NUMBER_OF_REGISTERS + 4) |
| 97 | |
| 98 | #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) |
| 99 | #define TMP_CALL_REG (SLJIT_NUMBER_OF_REGISTERS + 5) |
| 100 | #else |
| 101 | #define TMP_CALL_REG TMP_REG2 |
| 102 | #endif |
| 103 | |
| 104 | #define TMP_FREG1 (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1) |
| 105 | #define TMP_FREG2 (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 2) |
| 106 | |
| 107 | static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 7] = { |
| 108 | 0, 3, 4, 5, 6, 7, 8, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 1, 9, 10, 31, 12 |
| 109 | }; |
| 110 | |
| 111 | static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 3] = { |
| 112 | 0, 1, 2, 3, 4, 5, 6, 0, 7 |
| 113 | }; |
| 114 | |
| 115 | /* --------------------------------------------------------------------- */ |
| 116 | /* Instrucion forms */ |
| 117 | /* --------------------------------------------------------------------- */ |
| 118 | #define D(d) (reg_map[d] << 21) |
| 119 | #define S(s) (reg_map[s] << 21) |
| 120 | #define A(a) (reg_map[a] << 16) |
| 121 | #define B(b) (reg_map[b] << 11) |
| 122 | #define C(c) (reg_map[c] << 6) |
| 123 | #define FD(fd) (freg_map[fd] << 21) |
| 124 | #define FS(fs) (freg_map[fs] << 21) |
| 125 | #define FA(fa) (freg_map[fa] << 16) |
| 126 | #define FB(fb) (freg_map[fb] << 11) |
| 127 | #define FC(fc) (freg_map[fc] << 6) |
| 128 | #define IMM(imm) ((imm) & 0xffff) |
| 129 | #define CRD(d) ((d) << 21) |
| 130 | |
| 131 | /* Instruction bit sections. |
| 132 | OE and Rc flag (see ALT_SET_FLAGS). */ |
| 133 | #define OE(flags) ((flags) & ALT_SET_FLAGS) |
| 134 | /* Rc flag (see ALT_SET_FLAGS). */ |
| 135 | #define RC(flags) (((flags) & ALT_SET_FLAGS) >> 10) |
| 136 | #define HI(opcode) ((opcode) << 26) |
| 137 | #define LO(opcode) ((opcode) << 1) |
| 138 | |
| 139 | #define ADD (HI(31) | LO(266)) |
| 140 | #define ADDC (HI(31) | LO(10)) |
| 141 | #define ADDE (HI(31) | LO(138)) |
| 142 | #define ADDI (HI(14)) |
| 143 | #define ADDIC (HI(13)) |
| 144 | #define ADDIS (HI(15)) |
| 145 | #define ADDME (HI(31) | LO(234)) |
| 146 | #define AND (HI(31) | LO(28)) |
| 147 | #define ANDI (HI(28)) |
| 148 | #define ANDIS (HI(29)) |
| 149 | #define Bx (HI(18)) |
| 150 | #define BCx (HI(16)) |
| 151 | #define BCCTR (HI(19) | LO(528) | (3 << 11)) |
| 152 | #define BLR (HI(19) | LO(16) | (0x14 << 21)) |
| 153 | #define CNTLZD (HI(31) | LO(58)) |
| 154 | #define CNTLZW (HI(31) | LO(26)) |
| 155 | #define CMP (HI(31) | LO(0)) |
| 156 | #define CMPI (HI(11)) |
| 157 | #define CMPL (HI(31) | LO(32)) |
| 158 | #define CMPLI (HI(10)) |
| 159 | #define CROR (HI(19) | LO(449)) |
| 160 | #define DCBT (HI(31) | LO(278)) |
| 161 | #define DIVD (HI(31) | LO(489)) |
| 162 | #define DIVDU (HI(31) | LO(457)) |
| 163 | #define DIVW (HI(31) | LO(491)) |
| 164 | #define DIVWU (HI(31) | LO(459)) |
| 165 | #define EXTSB (HI(31) | LO(954)) |
| 166 | #define EXTSH (HI(31) | LO(922)) |
| 167 | #define EXTSW (HI(31) | LO(986)) |
| 168 | #define FABS (HI(63) | LO(264)) |
| 169 | #define FADD (HI(63) | LO(21)) |
| 170 | #define FADDS (HI(59) | LO(21)) |
| 171 | #define FCFID (HI(63) | LO(846)) |
| 172 | #define FCMPU (HI(63) | LO(0)) |
| 173 | #define FCTIDZ (HI(63) | LO(815)) |
| 174 | #define FCTIWZ (HI(63) | LO(15)) |
| 175 | #define FDIV (HI(63) | LO(18)) |
| 176 | #define FDIVS (HI(59) | LO(18)) |
| 177 | #define FMR (HI(63) | LO(72)) |
| 178 | #define FMUL (HI(63) | LO(25)) |
| 179 | #define FMULS (HI(59) | LO(25)) |
| 180 | #define FNEG (HI(63) | LO(40)) |
| 181 | #define FRSP (HI(63) | LO(12)) |
| 182 | #define FSUB (HI(63) | LO(20)) |
| 183 | #define FSUBS (HI(59) | LO(20)) |
| 184 | #define LD (HI(58) | 0) |
| 185 | #define LWZ (HI(32)) |
| 186 | #define MFCR (HI(31) | LO(19)) |
| 187 | #define MFLR (HI(31) | LO(339) | 0x80000) |
| 188 | #define MFXER (HI(31) | LO(339) | 0x10000) |
| 189 | #define MTCTR (HI(31) | LO(467) | 0x90000) |
| 190 | #define MTLR (HI(31) | LO(467) | 0x80000) |
| 191 | #define MTXER (HI(31) | LO(467) | 0x10000) |
| 192 | #define MULHD (HI(31) | LO(73)) |
| 193 | #define MULHDU (HI(31) | LO(9)) |
| 194 | #define MULHW (HI(31) | LO(75)) |
| 195 | #define MULHWU (HI(31) | LO(11)) |
| 196 | #define MULLD (HI(31) | LO(233)) |
| 197 | #define MULLI (HI(7)) |
| 198 | #define MULLW (HI(31) | LO(235)) |
| 199 | #define NEG (HI(31) | LO(104)) |
| 200 | #define NOP (HI(24)) |
| 201 | #define NOR (HI(31) | LO(124)) |
| 202 | #define OR (HI(31) | LO(444)) |
| 203 | #define ORI (HI(24)) |
| 204 | #define ORIS (HI(25)) |
| 205 | #define RLDICL (HI(30)) |
| 206 | #define RLWINM (HI(21)) |
| 207 | #define SLD (HI(31) | LO(27)) |
| 208 | #define SLW (HI(31) | LO(24)) |
| 209 | #define SRAD (HI(31) | LO(794)) |
| 210 | #define SRADI (HI(31) | LO(413 << 1)) |
| 211 | #define SRAW (HI(31) | LO(792)) |
| 212 | #define SRAWI (HI(31) | LO(824)) |
| 213 | #define SRD (HI(31) | LO(539)) |
| 214 | #define SRW (HI(31) | LO(536)) |
| 215 | #define STD (HI(62) | 0) |
| 216 | #define STDU (HI(62) | 1) |
| 217 | #define STDUX (HI(31) | LO(181)) |
| 218 | #define STFIWX (HI(31) | LO(983)) |
| 219 | #define STW (HI(36)) |
| 220 | #define STWU (HI(37)) |
| 221 | #define STWUX (HI(31) | LO(183)) |
| 222 | #define SUBF (HI(31) | LO(40)) |
| 223 | #define SUBFC (HI(31) | LO(8)) |
| 224 | #define SUBFE (HI(31) | LO(136)) |
| 225 | #define SUBFIC (HI(8)) |
| 226 | #define XOR (HI(31) | LO(316)) |
| 227 | #define XORI (HI(26)) |
| 228 | #define XORIS (HI(27)) |
| 229 | |
| 230 | #define SIMM_MAX (0x7fff) |
| 231 | #define SIMM_MIN (-0x8000) |
| 232 | #define UIMM_MAX (0xffff) |
| 233 | |
| 234 | #define RLDI(dst, src, sh, mb, type) \ |
| 235 | (HI(30) | S(src) | A(dst) | ((type) << 2) | (((sh) & 0x1f) << 11) | (((sh) & 0x20) >> 4) | (((mb) & 0x1f) << 6) | ((mb) & 0x20)) |
| 236 | |
| 237 | #if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) |
| 238 | SLJIT_API_FUNC_ATTRIBUTE void sljit_set_function_context(void** func_ptr, struct sljit_function_context* context, sljit_sw addr, void* func) |
| 239 | { |
| 240 | sljit_sw* ptrs; |
| 241 | if (func_ptr) |
| 242 | *func_ptr = (void*)context; |
| 243 | ptrs = (sljit_sw*)func; |
| 244 | context->addr = addr ? addr : ptrs[0]; |
| 245 | context->r2 = ptrs[1]; |
| 246 | context->r11 = ptrs[2]; |
| 247 | } |
| 248 | #endif |
| 249 | |
| 250 | static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins) |
| 251 | { |
| 252 | sljit_ins *ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); |
| 253 | FAIL_IF(!ptr); |
| 254 | *ptr = ins; |
| 255 | compiler->size++; |
| 256 | return SLJIT_SUCCESS; |
| 257 | } |
| 258 | |
| 259 | static SLJIT_INLINE sljit_s32 detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code, sljit_sw executable_offset) |
| 260 | { |
| 261 | sljit_sw diff; |
| 262 | sljit_uw target_addr; |
| 263 | sljit_sw extra_jump_flags; |
| 264 | |
| 265 | #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) && (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 266 | if (jump->flags & (SLJIT_REWRITABLE_JUMP | IS_CALL)) |
| 267 | return 0; |
| 268 | #else |
| 269 | if (jump->flags & SLJIT_REWRITABLE_JUMP) |
| 270 | return 0; |
| 271 | #endif |
| 272 | |
| 273 | if (jump->flags & JUMP_ADDR) |
| 274 | target_addr = jump->u.target; |
| 275 | else { |
| 276 | SLJIT_ASSERT(jump->flags & JUMP_LABEL); |
| 277 | target_addr = (sljit_uw)(code + jump->u.label->size) + (sljit_uw)executable_offset; |
| 278 | } |
| 279 | |
| 280 | #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) && (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 281 | if (jump->flags & IS_CALL) |
| 282 | goto keep_address; |
| 283 | #endif |
| 284 | |
| 285 | diff = ((sljit_sw)target_addr - (sljit_sw)(code_ptr) - executable_offset) & ~0x3l; |
| 286 | |
| 287 | extra_jump_flags = 0; |
| 288 | if (jump->flags & IS_COND) { |
| 289 | if (diff <= 0x7fff && diff >= -0x8000) { |
| 290 | jump->flags |= PATCH_B; |
| 291 | return 1; |
| 292 | } |
| 293 | if (target_addr <= 0xffff) { |
| 294 | jump->flags |= PATCH_B | PATCH_ABS_B; |
| 295 | return 1; |
| 296 | } |
| 297 | extra_jump_flags = REMOVE_COND; |
| 298 | |
| 299 | diff -= sizeof(sljit_ins); |
| 300 | } |
| 301 | |
| 302 | if (diff <= 0x01ffffff && diff >= -0x02000000) { |
| 303 | jump->flags |= PATCH_B | extra_jump_flags; |
| 304 | return 1; |
| 305 | } |
| 306 | |
| 307 | if (target_addr <= 0x03ffffff) { |
| 308 | jump->flags |= PATCH_B | PATCH_ABS_B | extra_jump_flags; |
| 309 | return 1; |
| 310 | } |
| 311 | |
| 312 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 313 | #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) |
| 314 | keep_address: |
| 315 | #endif |
| 316 | if (target_addr <= 0x7fffffff) { |
| 317 | jump->flags |= PATCH_ABS32; |
| 318 | return 1; |
| 319 | } |
| 320 | |
| 321 | if (target_addr <= 0x7fffffffffffl) { |
| 322 | jump->flags |= PATCH_ABS48; |
| 323 | return 1; |
| 324 | } |
| 325 | #endif |
| 326 | |
| 327 | return 0; |
| 328 | } |
| 329 | |
| 330 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 331 | |
| 332 | static SLJIT_INLINE sljit_sw put_label_get_length(struct sljit_put_label *put_label, sljit_uw max_label) |
| 333 | { |
| 334 | if (max_label < 0x100000000l) { |
| 335 | put_label->flags = 0; |
| 336 | return 1; |
| 337 | } |
| 338 | |
| 339 | if (max_label < 0x1000000000000l) { |
| 340 | put_label->flags = 1; |
| 341 | return 3; |
| 342 | } |
| 343 | |
| 344 | put_label->flags = 2; |
| 345 | return 4; |
| 346 | } |
| 347 | |
| 348 | static SLJIT_INLINE void put_label_set(struct sljit_put_label *put_label) |
| 349 | { |
| 350 | sljit_uw addr = put_label->label->addr; |
| 351 | sljit_ins *inst = (sljit_ins *)put_label->addr; |
| 352 | sljit_s32 reg = *inst; |
| 353 | |
| 354 | if (put_label->flags == 0) { |
| 355 | SLJIT_ASSERT(addr < 0x100000000l); |
| 356 | inst[0] = ORIS | S(TMP_ZERO) | A(reg) | IMM(addr >> 16); |
| 357 | } |
| 358 | else { |
| 359 | if (put_label->flags == 1) { |
| 360 | SLJIT_ASSERT(addr < 0x1000000000000l); |
| 361 | inst[0] = ORI | S(TMP_ZERO) | A(reg) | IMM(addr >> 32); |
| 362 | } |
| 363 | else { |
| 364 | inst[0] = ORIS | S(TMP_ZERO) | A(reg) | IMM(addr >> 48); |
| 365 | inst[1] = ORI | S(reg) | A(reg) | IMM((addr >> 32) & 0xffff); |
| 366 | inst ++; |
| 367 | } |
| 368 | |
| 369 | inst[1] = RLDI(reg, reg, 32, 31, 1); |
| 370 | inst[2] = ORIS | S(reg) | A(reg) | IMM((addr >> 16) & 0xffff); |
| 371 | inst += 2; |
| 372 | } |
| 373 | |
| 374 | inst[1] = ORI | S(reg) | A(reg) | IMM(addr & 0xffff); |
| 375 | } |
| 376 | |
| 377 | #endif |
| 378 | |
| 379 | SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler) |
| 380 | { |
| 381 | struct sljit_memory_fragment *buf; |
| 382 | sljit_ins *code; |
| 383 | sljit_ins *code_ptr; |
| 384 | sljit_ins *buf_ptr; |
| 385 | sljit_ins *buf_end; |
| 386 | sljit_uw word_count; |
| 387 | sljit_uw next_addr; |
| 388 | sljit_sw executable_offset; |
| 389 | sljit_uw addr; |
| 390 | |
| 391 | struct sljit_label *label; |
| 392 | struct sljit_jump *jump; |
| 393 | struct sljit_const *const_; |
| 394 | struct sljit_put_label *put_label; |
| 395 | |
| 396 | CHECK_ERROR_PTR(); |
| 397 | CHECK_PTR(check_sljit_generate_code(compiler)); |
| 398 | reverse_buf(compiler); |
| 399 | |
| 400 | #if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) |
| 401 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 402 | compiler->size += (compiler->size & 0x1) + (sizeof(struct sljit_function_context) / sizeof(sljit_ins)); |
| 403 | #else |
| 404 | compiler->size += (sizeof(struct sljit_function_context) / sizeof(sljit_ins)); |
| 405 | #endif |
| 406 | #endif |
| 407 | code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins), compiler->exec_allocator_data); |
| 408 | PTR_FAIL_WITH_EXEC_IF(code); |
| 409 | buf = compiler->buf; |
| 410 | |
| 411 | code_ptr = code; |
| 412 | word_count = 0; |
| 413 | next_addr = 0; |
| 414 | executable_offset = SLJIT_EXEC_OFFSET(code); |
| 415 | |
| 416 | label = compiler->labels; |
| 417 | jump = compiler->jumps; |
| 418 | const_ = compiler->consts; |
| 419 | put_label = compiler->put_labels; |
| 420 | |
| 421 | do { |
| 422 | buf_ptr = (sljit_ins*)buf->memory; |
| 423 | buf_end = buf_ptr + (buf->used_size >> 2); |
| 424 | do { |
| 425 | *code_ptr = *buf_ptr++; |
| 426 | if (next_addr == word_count) { |
| 427 | SLJIT_ASSERT(!label || label->size >= word_count); |
| 428 | SLJIT_ASSERT(!jump || jump->addr >= word_count); |
| 429 | SLJIT_ASSERT(!const_ || const_->addr >= word_count); |
| 430 | SLJIT_ASSERT(!put_label || put_label->addr >= word_count); |
| 431 | |
| 432 | /* These structures are ordered by their address. */ |
| 433 | if (label && label->size == word_count) { |
| 434 | /* Just recording the address. */ |
| 435 | label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); |
| 436 | label->size = code_ptr - code; |
| 437 | label = label->next; |
| 438 | } |
| 439 | if (jump && jump->addr == word_count) { |
| 440 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 441 | jump->addr = (sljit_uw)(code_ptr - 3); |
| 442 | #else |
| 443 | jump->addr = (sljit_uw)(code_ptr - 6); |
| 444 | #endif |
| 445 | if (detect_jump_type(jump, code_ptr, code, executable_offset)) { |
| 446 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 447 | code_ptr[-3] = code_ptr[0]; |
| 448 | code_ptr -= 3; |
| 449 | #else |
| 450 | if (jump->flags & PATCH_ABS32) { |
| 451 | code_ptr -= 3; |
| 452 | code_ptr[-1] = code_ptr[2]; |
| 453 | code_ptr[0] = code_ptr[3]; |
| 454 | } |
| 455 | else if (jump->flags & PATCH_ABS48) { |
| 456 | code_ptr--; |
| 457 | code_ptr[-1] = code_ptr[0]; |
| 458 | code_ptr[0] = code_ptr[1]; |
| 459 | /* rldicr rX,rX,32,31 -> rX,rX,16,47 */ |
| 460 | SLJIT_ASSERT((code_ptr[-3] & 0xfc00ffff) == 0x780007c6); |
| 461 | code_ptr[-3] ^= 0x8422; |
| 462 | /* oris -> ori */ |
| 463 | code_ptr[-2] ^= 0x4000000; |
| 464 | } |
| 465 | else { |
| 466 | code_ptr[-6] = code_ptr[0]; |
| 467 | code_ptr -= 6; |
| 468 | } |
| 469 | #endif |
| 470 | if (jump->flags & REMOVE_COND) { |
| 471 | code_ptr[0] = BCx | (2 << 2) | ((code_ptr[0] ^ (8 << 21)) & 0x03ff0001); |
| 472 | code_ptr++; |
| 473 | jump->addr += sizeof(sljit_ins); |
| 474 | code_ptr[0] = Bx; |
| 475 | jump->flags -= IS_COND; |
| 476 | } |
| 477 | } |
| 478 | jump = jump->next; |
| 479 | } |
| 480 | if (const_ && const_->addr == word_count) { |
| 481 | const_->addr = (sljit_uw)code_ptr; |
| 482 | const_ = const_->next; |
| 483 | } |
| 484 | if (put_label && put_label->addr == word_count) { |
| 485 | SLJIT_ASSERT(put_label->label); |
| 486 | put_label->addr = (sljit_uw)code_ptr; |
| 487 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 488 | code_ptr += put_label_get_length(put_label, (sljit_uw)(SLJIT_ADD_EXEC_OFFSET(code, executable_offset) + put_label->label->size)); |
| 489 | word_count += 4; |
| 490 | #endif |
| 491 | put_label = put_label->next; |
| 492 | } |
| 493 | next_addr = compute_next_addr(label, jump, const_, put_label); |
| 494 | } |
| 495 | code_ptr ++; |
| 496 | word_count ++; |
| 497 | } while (buf_ptr < buf_end); |
| 498 | |
| 499 | buf = buf->next; |
| 500 | } while (buf); |
| 501 | |
| 502 | if (label && label->size == word_count) { |
| 503 | label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); |
| 504 | label->size = code_ptr - code; |
| 505 | label = label->next; |
| 506 | } |
| 507 | |
| 508 | SLJIT_ASSERT(!label); |
| 509 | SLJIT_ASSERT(!jump); |
| 510 | SLJIT_ASSERT(!const_); |
| 511 | SLJIT_ASSERT(!put_label); |
| 512 | |
| 513 | #if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) |
| 514 | SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size - (sizeof(struct sljit_function_context) / sizeof(sljit_ins))); |
| 515 | #else |
| 516 | SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size); |
| 517 | #endif |
| 518 | |
| 519 | jump = compiler->jumps; |
| 520 | while (jump) { |
| 521 | do { |
| 522 | addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target; |
| 523 | buf_ptr = (sljit_ins *)jump->addr; |
| 524 | |
| 525 | if (jump->flags & PATCH_B) { |
| 526 | if (jump->flags & IS_COND) { |
| 527 | if (!(jump->flags & PATCH_ABS_B)) { |
| 528 | addr -= (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset); |
| 529 | SLJIT_ASSERT((sljit_sw)addr <= 0x7fff && (sljit_sw)addr >= -0x8000); |
| 530 | *buf_ptr = BCx | (addr & 0xfffc) | ((*buf_ptr) & 0x03ff0001); |
| 531 | } |
| 532 | else { |
| 533 | SLJIT_ASSERT(addr <= 0xffff); |
| 534 | *buf_ptr = BCx | (addr & 0xfffc) | 0x2 | ((*buf_ptr) & 0x03ff0001); |
| 535 | } |
| 536 | } |
| 537 | else { |
| 538 | if (!(jump->flags & PATCH_ABS_B)) { |
| 539 | addr -= (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset); |
| 540 | SLJIT_ASSERT((sljit_sw)addr <= 0x01ffffff && (sljit_sw)addr >= -0x02000000); |
| 541 | *buf_ptr = Bx | (addr & 0x03fffffc) | ((*buf_ptr) & 0x1); |
| 542 | } |
| 543 | else { |
| 544 | SLJIT_ASSERT(addr <= 0x03ffffff); |
| 545 | *buf_ptr = Bx | (addr & 0x03fffffc) | 0x2 | ((*buf_ptr) & 0x1); |
| 546 | } |
| 547 | } |
| 548 | break; |
| 549 | } |
| 550 | |
| 551 | /* Set the fields of immediate loads. */ |
| 552 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 553 | buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 16) & 0xffff); |
| 554 | buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | (addr & 0xffff); |
| 555 | #else |
| 556 | if (jump->flags & PATCH_ABS32) { |
| 557 | SLJIT_ASSERT(addr <= 0x7fffffff); |
| 558 | buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 16) & 0xffff); |
| 559 | buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | (addr & 0xffff); |
| 560 | break; |
| 561 | } |
| 562 | if (jump->flags & PATCH_ABS48) { |
| 563 | SLJIT_ASSERT(addr <= 0x7fffffffffff); |
| 564 | buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 32) & 0xffff); |
| 565 | buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | ((addr >> 16) & 0xffff); |
| 566 | buf_ptr[3] = (buf_ptr[3] & 0xffff0000) | (addr & 0xffff); |
| 567 | break; |
| 568 | } |
| 569 | buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 48) & 0xffff); |
| 570 | buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | ((addr >> 32) & 0xffff); |
| 571 | buf_ptr[3] = (buf_ptr[3] & 0xffff0000) | ((addr >> 16) & 0xffff); |
| 572 | buf_ptr[4] = (buf_ptr[4] & 0xffff0000) | (addr & 0xffff); |
| 573 | #endif |
| 574 | } while (0); |
| 575 | jump = jump->next; |
| 576 | } |
| 577 | |
| 578 | put_label = compiler->put_labels; |
| 579 | while (put_label) { |
| 580 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 581 | addr = put_label->label->addr; |
| 582 | buf_ptr = (sljit_ins *)put_label->addr; |
| 583 | |
| 584 | SLJIT_ASSERT((buf_ptr[0] & 0xfc1f0000) == ADDIS && (buf_ptr[1] & 0xfc000000) == ORI); |
| 585 | buf_ptr[0] |= (addr >> 16) & 0xffff; |
| 586 | buf_ptr[1] |= addr & 0xffff; |
| 587 | #else |
| 588 | put_label_set(put_label); |
| 589 | #endif |
| 590 | put_label = put_label->next; |
| 591 | } |
| 592 | |
| 593 | compiler->error = SLJIT_ERR_COMPILED; |
| 594 | compiler->executable_offset = executable_offset; |
| 595 | compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins); |
| 596 | |
| 597 | code = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code, executable_offset); |
| 598 | |
| 599 | #if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) |
| 600 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 601 | if (((sljit_sw)code_ptr) & 0x4) |
| 602 | code_ptr++; |
| 603 | #endif |
| 604 | sljit_set_function_context(NULL, (struct sljit_function_context*)code_ptr, (sljit_sw)code, (void*)sljit_generate_code); |
| 605 | #endif |
| 606 | |
| 607 | code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); |
| 608 | |
| 609 | SLJIT_CACHE_FLUSH(code, code_ptr); |
| 610 | SLJIT_UPDATE_WX_FLAGS(code, code_ptr, 1); |
| 611 | |
| 612 | #if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) |
| 613 | return code_ptr; |
| 614 | #else |
| 615 | return code; |
| 616 | #endif |
| 617 | } |
| 618 | |
| 619 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type) |
| 620 | { |
| 621 | switch (feature_type) { |
| 622 | case SLJIT_HAS_FPU: |
| 623 | #ifdef SLJIT_IS_FPU_AVAILABLE |
| 624 | return SLJIT_IS_FPU_AVAILABLE; |
| 625 | #else |
| 626 | /* Available by default. */ |
| 627 | return 1; |
| 628 | #endif |
| 629 | |
| 630 | /* A saved register is set to a zero value. */ |
| 631 | case SLJIT_HAS_ZERO_REGISTER: |
| 632 | case SLJIT_HAS_CLZ: |
| 633 | case SLJIT_HAS_PREFETCH: |
| 634 | return 1; |
| 635 | |
| 636 | default: |
| 637 | return 0; |
| 638 | } |
| 639 | } |
| 640 | |
| 641 | /* --------------------------------------------------------------------- */ |
| 642 | /* Entry, exit */ |
| 643 | /* --------------------------------------------------------------------- */ |
| 644 | |
| 645 | /* inp_flags: */ |
| 646 | |
| 647 | /* Creates an index in data_transfer_insts array. */ |
| 648 | #define LOAD_DATA 0x01 |
| 649 | #define INDEXED 0x02 |
| 650 | #define SIGNED_DATA 0x04 |
| 651 | |
| 652 | #define WORD_DATA 0x00 |
| 653 | #define BYTE_DATA 0x08 |
| 654 | #define HALF_DATA 0x10 |
| 655 | #define INT_DATA 0x18 |
| 656 | /* Separates integer and floating point registers */ |
| 657 | #define GPR_REG 0x1f |
| 658 | #define DOUBLE_DATA 0x20 |
| 659 | |
| 660 | #define MEM_MASK 0x7f |
| 661 | |
| 662 | /* Other inp_flags. */ |
| 663 | |
| 664 | /* Integer opertion and set flags -> requires exts on 64 bit systems. */ |
| 665 | #define ALT_SIGN_EXT 0x000100 |
| 666 | /* This flag affects the RC() and OERC() macros. */ |
| 667 | #define ALT_SET_FLAGS 0x000400 |
| 668 | #define ALT_FORM1 0x001000 |
| 669 | #define ALT_FORM2 0x002000 |
| 670 | #define ALT_FORM3 0x004000 |
| 671 | #define ALT_FORM4 0x008000 |
| 672 | #define ALT_FORM5 0x010000 |
| 673 | |
| 674 | /* Source and destination is register. */ |
| 675 | #define REG_DEST 0x000001 |
| 676 | #define REG1_SOURCE 0x000002 |
| 677 | #define REG2_SOURCE 0x000004 |
| 678 | /* |
| 679 | ALT_SIGN_EXT 0x000100 |
| 680 | ALT_SET_FLAGS 0x000200 |
| 681 | ALT_FORM1 0x001000 |
| 682 | ... |
| 683 | ALT_FORM5 0x010000 */ |
| 684 | |
| 685 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 686 | #include "sljitNativePPC_32.c" |
| 687 | #else |
| 688 | #include "sljitNativePPC_64.c" |
| 689 | #endif |
| 690 | |
| 691 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 692 | #define STACK_STORE STW |
| 693 | #define STACK_LOAD LWZ |
| 694 | #else |
| 695 | #define STACK_STORE STD |
| 696 | #define STACK_LOAD LD |
| 697 | #endif |
| 698 | |
| 699 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler, |
| 700 | sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds, |
| 701 | sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) |
| 702 | { |
| 703 | sljit_s32 args, i, tmp, offs; |
| 704 | |
| 705 | CHECK_ERROR(); |
| 706 | CHECK(check_sljit_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size)); |
| 707 | set_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size); |
| 708 | |
| 709 | FAIL_IF(push_inst(compiler, MFLR | D(0))); |
| 710 | offs = -(sljit_s32)(sizeof(sljit_sw)); |
| 711 | FAIL_IF(push_inst(compiler, STACK_STORE | S(TMP_ZERO) | A(SLJIT_SP) | IMM(offs))); |
| 712 | |
| 713 | tmp = saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? (SLJIT_S0 + 1 - saveds) : SLJIT_FIRST_SAVED_REG; |
| 714 | for (i = SLJIT_S0; i >= tmp; i--) { |
| 715 | offs -= (sljit_s32)(sizeof(sljit_sw)); |
| 716 | FAIL_IF(push_inst(compiler, STACK_STORE | S(i) | A(SLJIT_SP) | IMM(offs))); |
| 717 | } |
| 718 | |
| 719 | for (i = scratches; i >= SLJIT_FIRST_SAVED_REG; i--) { |
| 720 | offs -= (sljit_s32)(sizeof(sljit_sw)); |
| 721 | FAIL_IF(push_inst(compiler, STACK_STORE | S(i) | A(SLJIT_SP) | IMM(offs))); |
| 722 | } |
| 723 | |
| 724 | SLJIT_ASSERT(offs == -(sljit_s32)GET_SAVED_REGISTERS_SIZE(compiler->scratches, compiler->saveds, 1)); |
| 725 | |
| 726 | #if (defined SLJIT_PPC_STACK_FRAME_V2 && SLJIT_PPC_STACK_FRAME_V2) |
| 727 | FAIL_IF(push_inst(compiler, STACK_STORE | S(0) | A(SLJIT_SP) | IMM(2 * sizeof(sljit_sw)))); |
| 728 | #else |
| 729 | FAIL_IF(push_inst(compiler, STACK_STORE | S(0) | A(SLJIT_SP) | IMM(sizeof(sljit_sw)))); |
| 730 | #endif |
| 731 | |
| 732 | FAIL_IF(push_inst(compiler, ADDI | D(TMP_ZERO) | A(0) | 0)); |
| 733 | |
| 734 | args = get_arg_count(arg_types); |
| 735 | |
| 736 | if (args >= 1) |
| 737 | FAIL_IF(push_inst(compiler, OR | S(SLJIT_R0) | A(SLJIT_S0) | B(SLJIT_R0))); |
| 738 | if (args >= 2) |
| 739 | FAIL_IF(push_inst(compiler, OR | S(SLJIT_R1) | A(SLJIT_S1) | B(SLJIT_R1))); |
| 740 | if (args >= 3) |
| 741 | FAIL_IF(push_inst(compiler, OR | S(SLJIT_R2) | A(SLJIT_S2) | B(SLJIT_R2))); |
| 742 | |
| 743 | local_size += GET_SAVED_REGISTERS_SIZE(scratches, saveds, 1) + SLJIT_LOCALS_OFFSET; |
| 744 | local_size = (local_size + 15) & ~0xf; |
| 745 | compiler->local_size = local_size; |
| 746 | |
| 747 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 748 | if (local_size <= SIMM_MAX) |
| 749 | FAIL_IF(push_inst(compiler, STWU | S(SLJIT_SP) | A(SLJIT_SP) | IMM(-local_size))); |
| 750 | else { |
| 751 | FAIL_IF(load_immediate(compiler, 0, -local_size)); |
| 752 | FAIL_IF(push_inst(compiler, STWUX | S(SLJIT_SP) | A(SLJIT_SP) | B(0))); |
| 753 | } |
| 754 | #else |
| 755 | if (local_size <= SIMM_MAX) |
| 756 | FAIL_IF(push_inst(compiler, STDU | S(SLJIT_SP) | A(SLJIT_SP) | IMM(-local_size))); |
| 757 | else { |
| 758 | FAIL_IF(load_immediate(compiler, 0, -local_size)); |
| 759 | FAIL_IF(push_inst(compiler, STDUX | S(SLJIT_SP) | A(SLJIT_SP) | B(0))); |
| 760 | } |
| 761 | #endif |
| 762 | |
| 763 | return SLJIT_SUCCESS; |
| 764 | } |
| 765 | |
| 766 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler, |
| 767 | sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds, |
| 768 | sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) |
| 769 | { |
| 770 | CHECK_ERROR(); |
| 771 | CHECK(check_sljit_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size)); |
| 772 | set_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size); |
| 773 | |
| 774 | local_size += GET_SAVED_REGISTERS_SIZE(scratches, saveds, 1) + SLJIT_LOCALS_OFFSET; |
| 775 | compiler->local_size = (local_size + 15) & ~0xf; |
| 776 | return SLJIT_SUCCESS; |
| 777 | } |
| 778 | |
| 779 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw) |
| 780 | { |
| 781 | sljit_s32 i, tmp, offs; |
| 782 | |
| 783 | CHECK_ERROR(); |
| 784 | CHECK(check_sljit_emit_return(compiler, op, src, srcw)); |
| 785 | |
| 786 | FAIL_IF(emit_mov_before_return(compiler, op, src, srcw)); |
| 787 | |
| 788 | if (compiler->local_size <= SIMM_MAX) |
| 789 | FAIL_IF(push_inst(compiler, ADDI | D(SLJIT_SP) | A(SLJIT_SP) | IMM(compiler->local_size))); |
| 790 | else { |
| 791 | FAIL_IF(load_immediate(compiler, 0, compiler->local_size)); |
| 792 | FAIL_IF(push_inst(compiler, ADD | D(SLJIT_SP) | A(SLJIT_SP) | B(0))); |
| 793 | } |
| 794 | |
| 795 | #if (defined SLJIT_PPC_STACK_FRAME_V2 && SLJIT_PPC_STACK_FRAME_V2) |
| 796 | FAIL_IF(push_inst(compiler, STACK_LOAD | D(0) | A(SLJIT_SP) | IMM(2 * sizeof(sljit_sw)))); |
| 797 | #else |
| 798 | FAIL_IF(push_inst(compiler, STACK_LOAD | D(0) | A(SLJIT_SP) | IMM(sizeof(sljit_sw)))); |
| 799 | #endif |
| 800 | |
| 801 | offs = -(sljit_s32)GET_SAVED_REGISTERS_SIZE(compiler->scratches, compiler->saveds, 1); |
| 802 | |
| 803 | tmp = compiler->scratches; |
| 804 | for (i = SLJIT_FIRST_SAVED_REG; i <= tmp; i++) { |
| 805 | FAIL_IF(push_inst(compiler, STACK_LOAD | D(i) | A(SLJIT_SP) | IMM(offs))); |
| 806 | offs += (sljit_s32)(sizeof(sljit_sw)); |
| 807 | } |
| 808 | |
| 809 | tmp = compiler->saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? (SLJIT_S0 + 1 - compiler->saveds) : SLJIT_FIRST_SAVED_REG; |
| 810 | for (i = tmp; i <= SLJIT_S0; i++) { |
| 811 | FAIL_IF(push_inst(compiler, STACK_LOAD | D(i) | A(SLJIT_SP) | IMM(offs))); |
| 812 | offs += (sljit_s32)(sizeof(sljit_sw)); |
| 813 | } |
| 814 | |
| 815 | FAIL_IF(push_inst(compiler, STACK_LOAD | D(TMP_ZERO) | A(SLJIT_SP) | IMM(offs))); |
| 816 | SLJIT_ASSERT(offs == -(sljit_sw)(sizeof(sljit_sw))); |
| 817 | |
| 818 | FAIL_IF(push_inst(compiler, MTLR | S(0))); |
| 819 | FAIL_IF(push_inst(compiler, BLR)); |
| 820 | |
| 821 | return SLJIT_SUCCESS; |
| 822 | } |
| 823 | |
| 824 | #undef STACK_STORE |
| 825 | #undef STACK_LOAD |
| 826 | |
| 827 | /* --------------------------------------------------------------------- */ |
| 828 | /* Operators */ |
| 829 | /* --------------------------------------------------------------------- */ |
| 830 | |
| 831 | /* s/l - store/load (1 bit) |
| 832 | i/x - immediate/indexed form |
| 833 | u/s - signed/unsigned (1 bit) |
| 834 | w/b/h/i - word/byte/half/int allowed (2 bit) |
| 835 | |
| 836 | Some opcodes are repeated (e.g. store signed / unsigned byte is the same instruction). */ |
| 837 | |
| 838 | /* 64 bit only: [reg+imm] must be aligned to 4 bytes. */ |
| 839 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 840 | #define INT_ALIGNED 0x10000 |
| 841 | #endif |
| 842 | |
| 843 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 844 | #define ARCH_32_64(a, b) a |
| 845 | #define INST_CODE_AND_DST(inst, flags, reg) \ |
| 846 | ((inst) | (((flags) & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg))) |
| 847 | #else |
| 848 | #define ARCH_32_64(a, b) b |
| 849 | #define INST_CODE_AND_DST(inst, flags, reg) \ |
| 850 | (((inst) & ~INT_ALIGNED) | (((flags) & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg))) |
| 851 | #endif |
| 852 | |
| 853 | static const sljit_ins data_transfer_insts[64 + 16] = { |
| 854 | |
| 855 | /* -------- Integer -------- */ |
| 856 | |
| 857 | /* Word. */ |
| 858 | |
| 859 | /* w u i s */ ARCH_32_64(HI(36) /* stw */, HI(62) | INT_ALIGNED | 0x0 /* std */), |
| 860 | /* w u i l */ ARCH_32_64(HI(32) /* lwz */, HI(58) | INT_ALIGNED | 0x0 /* ld */), |
| 861 | /* w u x s */ ARCH_32_64(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */), |
| 862 | /* w u x l */ ARCH_32_64(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */), |
| 863 | |
| 864 | /* w s i s */ ARCH_32_64(HI(36) /* stw */, HI(62) | INT_ALIGNED | 0x0 /* std */), |
| 865 | /* w s i l */ ARCH_32_64(HI(32) /* lwz */, HI(58) | INT_ALIGNED | 0x0 /* ld */), |
| 866 | /* w s x s */ ARCH_32_64(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */), |
| 867 | /* w s x l */ ARCH_32_64(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */), |
| 868 | |
| 869 | /* Byte. */ |
| 870 | |
| 871 | /* b u i s */ HI(38) /* stb */, |
| 872 | /* b u i l */ HI(34) /* lbz */, |
| 873 | /* b u x s */ HI(31) | LO(215) /* stbx */, |
| 874 | /* b u x l */ HI(31) | LO(87) /* lbzx */, |
| 875 | |
| 876 | /* b s i s */ HI(38) /* stb */, |
| 877 | /* b s i l */ HI(34) /* lbz */ /* EXTS_REQ */, |
| 878 | /* b s x s */ HI(31) | LO(215) /* stbx */, |
| 879 | /* b s x l */ HI(31) | LO(87) /* lbzx */ /* EXTS_REQ */, |
| 880 | |
| 881 | /* Half. */ |
| 882 | |
| 883 | /* h u i s */ HI(44) /* sth */, |
| 884 | /* h u i l */ HI(40) /* lhz */, |
| 885 | /* h u x s */ HI(31) | LO(407) /* sthx */, |
| 886 | /* h u x l */ HI(31) | LO(279) /* lhzx */, |
| 887 | |
| 888 | /* h s i s */ HI(44) /* sth */, |
| 889 | /* h s i l */ HI(42) /* lha */, |
| 890 | /* h s x s */ HI(31) | LO(407) /* sthx */, |
| 891 | /* h s x l */ HI(31) | LO(343) /* lhax */, |
| 892 | |
| 893 | /* Int. */ |
| 894 | |
| 895 | /* i u i s */ HI(36) /* stw */, |
| 896 | /* i u i l */ HI(32) /* lwz */, |
| 897 | /* i u x s */ HI(31) | LO(151) /* stwx */, |
| 898 | /* i u x l */ HI(31) | LO(23) /* lwzx */, |
| 899 | |
| 900 | /* i s i s */ HI(36) /* stw */, |
| 901 | /* i s i l */ ARCH_32_64(HI(32) /* lwz */, HI(58) | INT_ALIGNED | 0x2 /* lwa */), |
| 902 | /* i s x s */ HI(31) | LO(151) /* stwx */, |
| 903 | /* i s x l */ ARCH_32_64(HI(31) | LO(23) /* lwzx */, HI(31) | LO(341) /* lwax */), |
| 904 | |
| 905 | /* -------- Floating point -------- */ |
| 906 | |
| 907 | /* d i s */ HI(54) /* stfd */, |
| 908 | /* d i l */ HI(50) /* lfd */, |
| 909 | /* d x s */ HI(31) | LO(727) /* stfdx */, |
| 910 | /* d x l */ HI(31) | LO(599) /* lfdx */, |
| 911 | |
| 912 | /* s i s */ HI(52) /* stfs */, |
| 913 | /* s i l */ HI(48) /* lfs */, |
| 914 | /* s x s */ HI(31) | LO(663) /* stfsx */, |
| 915 | /* s x l */ HI(31) | LO(535) /* lfsx */, |
| 916 | }; |
| 917 | |
| 918 | static const sljit_ins updated_data_transfer_insts[64] = { |
| 919 | |
| 920 | /* -------- Integer -------- */ |
| 921 | |
| 922 | /* Word. */ |
| 923 | |
| 924 | /* w u i s */ ARCH_32_64(HI(37) /* stwu */, HI(62) | INT_ALIGNED | 0x1 /* stdu */), |
| 925 | /* w u i l */ ARCH_32_64(HI(33) /* lwzu */, HI(58) | INT_ALIGNED | 0x1 /* ldu */), |
| 926 | /* w u x s */ ARCH_32_64(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */), |
| 927 | /* w u x l */ ARCH_32_64(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */), |
| 928 | |
| 929 | /* w s i s */ ARCH_32_64(HI(37) /* stwu */, HI(62) | INT_ALIGNED | 0x1 /* stdu */), |
| 930 | /* w s i l */ ARCH_32_64(HI(33) /* lwzu */, HI(58) | INT_ALIGNED | 0x1 /* ldu */), |
| 931 | /* w s x s */ ARCH_32_64(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */), |
| 932 | /* w s x l */ ARCH_32_64(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */), |
| 933 | |
| 934 | /* Byte. */ |
| 935 | |
| 936 | /* b u i s */ HI(39) /* stbu */, |
| 937 | /* b u i l */ HI(35) /* lbzu */, |
| 938 | /* b u x s */ HI(31) | LO(247) /* stbux */, |
| 939 | /* b u x l */ HI(31) | LO(119) /* lbzux */, |
| 940 | |
| 941 | /* b s i s */ HI(39) /* stbu */, |
| 942 | /* b s i l */ 0 /* no such instruction */, |
| 943 | /* b s x s */ HI(31) | LO(247) /* stbux */, |
| 944 | /* b s x l */ 0 /* no such instruction */, |
| 945 | |
| 946 | /* Half. */ |
| 947 | |
| 948 | /* h u i s */ HI(45) /* sthu */, |
| 949 | /* h u i l */ HI(41) /* lhzu */, |
| 950 | /* h u x s */ HI(31) | LO(439) /* sthux */, |
| 951 | /* h u x l */ HI(31) | LO(311) /* lhzux */, |
| 952 | |
| 953 | /* h s i s */ HI(45) /* sthu */, |
| 954 | /* h s i l */ HI(43) /* lhau */, |
| 955 | /* h s x s */ HI(31) | LO(439) /* sthux */, |
| 956 | /* h s x l */ HI(31) | LO(375) /* lhaux */, |
| 957 | |
| 958 | /* Int. */ |
| 959 | |
| 960 | /* i u i s */ HI(37) /* stwu */, |
| 961 | /* i u i l */ HI(33) /* lwzu */, |
| 962 | /* i u x s */ HI(31) | LO(183) /* stwux */, |
| 963 | /* i u x l */ HI(31) | LO(55) /* lwzux */, |
| 964 | |
| 965 | /* i s i s */ HI(37) /* stwu */, |
| 966 | /* i s i l */ ARCH_32_64(HI(33) /* lwzu */, 0 /* no such instruction */), |
| 967 | /* i s x s */ HI(31) | LO(183) /* stwux */, |
| 968 | /* i s x l */ ARCH_32_64(HI(31) | LO(55) /* lwzux */, HI(31) | LO(373) /* lwaux */), |
| 969 | |
| 970 | /* -------- Floating point -------- */ |
| 971 | |
| 972 | /* d i s */ HI(55) /* stfdu */, |
| 973 | /* d i l */ HI(51) /* lfdu */, |
| 974 | /* d x s */ HI(31) | LO(759) /* stfdux */, |
| 975 | /* d x l */ HI(31) | LO(631) /* lfdux */, |
| 976 | |
| 977 | /* s i s */ HI(53) /* stfsu */, |
| 978 | /* s i l */ HI(49) /* lfsu */, |
| 979 | /* s x s */ HI(31) | LO(695) /* stfsux */, |
| 980 | /* s x l */ HI(31) | LO(567) /* lfsux */, |
| 981 | }; |
| 982 | |
| 983 | #undef ARCH_32_64 |
| 984 | |
| 985 | /* Simple cases, (no caching is required). */ |
| 986 | static sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 inp_flags, sljit_s32 reg, |
| 987 | sljit_s32 arg, sljit_sw argw, sljit_s32 tmp_reg) |
| 988 | { |
| 989 | sljit_ins inst; |
| 990 | sljit_s32 offs_reg; |
| 991 | sljit_sw high_short; |
| 992 | |
| 993 | /* Should work when (arg & REG_MASK) == 0. */ |
| 994 | SLJIT_ASSERT(A(0) == 0); |
| 995 | SLJIT_ASSERT(arg & SLJIT_MEM); |
| 996 | |
| 997 | if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { |
| 998 | argw &= 0x3; |
| 999 | offs_reg = OFFS_REG(arg); |
| 1000 | |
| 1001 | if (argw != 0) { |
| 1002 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 1003 | FAIL_IF(push_inst(compiler, RLWINM | S(OFFS_REG(arg)) | A(tmp_reg) | (argw << 11) | ((31 - argw) << 1))); |
| 1004 | #else |
| 1005 | FAIL_IF(push_inst(compiler, RLDI(tmp_reg, OFFS_REG(arg), argw, 63 - argw, 1))); |
| 1006 | #endif |
| 1007 | offs_reg = tmp_reg; |
| 1008 | } |
| 1009 | |
| 1010 | inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; |
| 1011 | |
| 1012 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1013 | SLJIT_ASSERT(!(inst & INT_ALIGNED)); |
| 1014 | #endif |
| 1015 | |
| 1016 | return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg & REG_MASK) | B(offs_reg)); |
| 1017 | } |
| 1018 | |
| 1019 | inst = data_transfer_insts[inp_flags & MEM_MASK]; |
| 1020 | arg &= REG_MASK; |
| 1021 | |
| 1022 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1023 | if ((inst & INT_ALIGNED) && (argw & 0x3) != 0) { |
| 1024 | FAIL_IF(load_immediate(compiler, tmp_reg, argw)); |
| 1025 | |
| 1026 | inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; |
| 1027 | return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg) | B(tmp_reg)); |
| 1028 | } |
| 1029 | #endif |
| 1030 | |
| 1031 | if (argw <= SIMM_MAX && argw >= SIMM_MIN) |
| 1032 | return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg) | IMM(argw)); |
| 1033 | |
| 1034 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1035 | if (argw <= 0x7fff7fffl && argw >= -0x80000000l) { |
| 1036 | #endif |
| 1037 | |
| 1038 | high_short = (sljit_s32)(argw + ((argw & 0x8000) << 1)) & ~0xffff; |
| 1039 | |
| 1040 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1041 | SLJIT_ASSERT(high_short && high_short <= 0x7fffffffl && high_short >= -0x80000000l); |
| 1042 | #else |
| 1043 | SLJIT_ASSERT(high_short); |
| 1044 | #endif |
| 1045 | |
| 1046 | FAIL_IF(push_inst(compiler, ADDIS | D(tmp_reg) | A(arg) | IMM(high_short >> 16))); |
| 1047 | return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(tmp_reg) | IMM(argw)); |
| 1048 | |
| 1049 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1050 | } |
| 1051 | |
| 1052 | /* The rest is PPC-64 only. */ |
| 1053 | |
| 1054 | FAIL_IF(load_immediate(compiler, tmp_reg, argw)); |
| 1055 | |
| 1056 | inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; |
| 1057 | return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg) | B(tmp_reg)); |
| 1058 | #endif |
| 1059 | } |
| 1060 | |
| 1061 | static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 input_flags, |
| 1062 | sljit_s32 dst, sljit_sw dstw, |
| 1063 | sljit_s32 src1, sljit_sw src1w, |
| 1064 | sljit_s32 src2, sljit_sw src2w) |
| 1065 | { |
| 1066 | /* arg1 goes to TMP_REG1 or src reg |
| 1067 | arg2 goes to TMP_REG2, imm or src reg |
| 1068 | result goes to TMP_REG2, so put result can use TMP_REG1. */ |
| 1069 | sljit_s32 dst_r = TMP_REG2; |
| 1070 | sljit_s32 src1_r; |
| 1071 | sljit_s32 src2_r; |
| 1072 | sljit_s32 sugg_src2_r = TMP_REG2; |
| 1073 | sljit_s32 flags = input_flags & (ALT_FORM1 | ALT_FORM2 | ALT_FORM3 | ALT_FORM4 | ALT_FORM5 | ALT_SIGN_EXT | ALT_SET_FLAGS); |
| 1074 | |
| 1075 | /* Destination check. */ |
| 1076 | if (SLOW_IS_REG(dst)) { |
| 1077 | dst_r = dst; |
| 1078 | flags |= REG_DEST; |
| 1079 | |
| 1080 | if (op >= SLJIT_MOV && op <= SLJIT_MOV_P) |
| 1081 | sugg_src2_r = dst_r; |
| 1082 | } |
| 1083 | |
| 1084 | /* Source 1. */ |
| 1085 | if (FAST_IS_REG(src1)) { |
| 1086 | src1_r = src1; |
| 1087 | flags |= REG1_SOURCE; |
| 1088 | } |
| 1089 | else if (src1 & SLJIT_IMM) { |
| 1090 | FAIL_IF(load_immediate(compiler, TMP_REG1, src1w)); |
| 1091 | src1_r = TMP_REG1; |
| 1092 | } |
| 1093 | else { |
| 1094 | FAIL_IF(emit_op_mem(compiler, input_flags | LOAD_DATA, TMP_REG1, src1, src1w, TMP_REG1)); |
| 1095 | src1_r = TMP_REG1; |
| 1096 | } |
| 1097 | |
| 1098 | /* Source 2. */ |
| 1099 | if (FAST_IS_REG(src2)) { |
| 1100 | src2_r = src2; |
| 1101 | flags |= REG2_SOURCE; |
| 1102 | |
| 1103 | if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOV_P) |
| 1104 | dst_r = src2_r; |
| 1105 | } |
| 1106 | else if (src2 & SLJIT_IMM) { |
| 1107 | FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w)); |
| 1108 | src2_r = sugg_src2_r; |
| 1109 | } |
| 1110 | else { |
| 1111 | FAIL_IF(emit_op_mem(compiler, input_flags | LOAD_DATA, sugg_src2_r, src2, src2w, TMP_REG2)); |
| 1112 | src2_r = sugg_src2_r; |
| 1113 | } |
| 1114 | |
| 1115 | FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r)); |
| 1116 | |
| 1117 | if (!(dst & SLJIT_MEM)) |
| 1118 | return SLJIT_SUCCESS; |
| 1119 | |
| 1120 | return emit_op_mem(compiler, input_flags, dst_r, dst, dstw, TMP_REG1); |
| 1121 | } |
| 1122 | |
| 1123 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op) |
| 1124 | { |
| 1125 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1126 | sljit_s32 int_op = op & SLJIT_I32_OP; |
| 1127 | #endif |
| 1128 | |
| 1129 | CHECK_ERROR(); |
| 1130 | CHECK(check_sljit_emit_op0(compiler, op)); |
| 1131 | |
| 1132 | op = GET_OPCODE(op); |
| 1133 | switch (op) { |
| 1134 | case SLJIT_BREAKPOINT: |
| 1135 | case SLJIT_NOP: |
| 1136 | return push_inst(compiler, NOP); |
| 1137 | case SLJIT_LMUL_UW: |
| 1138 | case SLJIT_LMUL_SW: |
| 1139 | FAIL_IF(push_inst(compiler, OR | S(SLJIT_R0) | A(TMP_REG1) | B(SLJIT_R0))); |
| 1140 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1141 | FAIL_IF(push_inst(compiler, MULLD | D(SLJIT_R0) | A(TMP_REG1) | B(SLJIT_R1))); |
| 1142 | return push_inst(compiler, (op == SLJIT_LMUL_UW ? MULHDU : MULHD) | D(SLJIT_R1) | A(TMP_REG1) | B(SLJIT_R1)); |
| 1143 | #else |
| 1144 | FAIL_IF(push_inst(compiler, MULLW | D(SLJIT_R0) | A(TMP_REG1) | B(SLJIT_R1))); |
| 1145 | return push_inst(compiler, (op == SLJIT_LMUL_UW ? MULHWU : MULHW) | D(SLJIT_R1) | A(TMP_REG1) | B(SLJIT_R1)); |
| 1146 | #endif |
| 1147 | case SLJIT_DIVMOD_UW: |
| 1148 | case SLJIT_DIVMOD_SW: |
| 1149 | FAIL_IF(push_inst(compiler, OR | S(SLJIT_R0) | A(TMP_REG1) | B(SLJIT_R0))); |
| 1150 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1151 | FAIL_IF(push_inst(compiler, (int_op ? (op == SLJIT_DIVMOD_UW ? DIVWU : DIVW) : (op == SLJIT_DIVMOD_UW ? DIVDU : DIVD)) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1))); |
| 1152 | FAIL_IF(push_inst(compiler, (int_op ? MULLW : MULLD) | D(SLJIT_R1) | A(SLJIT_R0) | B(SLJIT_R1))); |
| 1153 | #else |
| 1154 | FAIL_IF(push_inst(compiler, (op == SLJIT_DIVMOD_UW ? DIVWU : DIVW) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1))); |
| 1155 | FAIL_IF(push_inst(compiler, MULLW | D(SLJIT_R1) | A(SLJIT_R0) | B(SLJIT_R1))); |
| 1156 | #endif |
| 1157 | return push_inst(compiler, SUBF | D(SLJIT_R1) | A(SLJIT_R1) | B(TMP_REG1)); |
| 1158 | case SLJIT_DIV_UW: |
| 1159 | case SLJIT_DIV_SW: |
| 1160 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1161 | return push_inst(compiler, (int_op ? (op == SLJIT_DIV_UW ? DIVWU : DIVW) : (op == SLJIT_DIV_UW ? DIVDU : DIVD)) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1)); |
| 1162 | #else |
| 1163 | return push_inst(compiler, (op == SLJIT_DIV_UW ? DIVWU : DIVW) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1)); |
| 1164 | #endif |
| 1165 | case SLJIT_ENDBR: |
| 1166 | case SLJIT_SKIP_FRAMES_BEFORE_RETURN: |
| 1167 | return SLJIT_SUCCESS; |
| 1168 | } |
| 1169 | |
| 1170 | return SLJIT_SUCCESS; |
| 1171 | } |
| 1172 | |
| 1173 | static sljit_s32 emit_prefetch(struct sljit_compiler *compiler, |
| 1174 | sljit_s32 src, sljit_sw srcw) |
| 1175 | { |
| 1176 | if (!(src & OFFS_REG_MASK)) { |
| 1177 | if (srcw == 0 && (src & REG_MASK) != SLJIT_UNUSED) |
| 1178 | return push_inst(compiler, DCBT | A(0) | B(src & REG_MASK)); |
| 1179 | |
| 1180 | FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); |
| 1181 | /* Works with SLJIT_MEM0() case as well. */ |
| 1182 | return push_inst(compiler, DCBT | A(src & REG_MASK) | B(TMP_REG1)); |
| 1183 | } |
| 1184 | |
| 1185 | srcw &= 0x3; |
| 1186 | |
| 1187 | if (srcw == 0) |
| 1188 | return push_inst(compiler, DCBT | A(src & REG_MASK) | B(OFFS_REG(src))); |
| 1189 | |
| 1190 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 1191 | FAIL_IF(push_inst(compiler, RLWINM | S(OFFS_REG(src)) | A(TMP_REG1) | (srcw << 11) | ((31 - srcw) << 1))); |
| 1192 | #else |
| 1193 | FAIL_IF(push_inst(compiler, RLDI(TMP_REG1, OFFS_REG(src), srcw, 63 - srcw, 1))); |
| 1194 | #endif |
| 1195 | return push_inst(compiler, DCBT | A(src & REG_MASK) | B(TMP_REG1)); |
| 1196 | } |
| 1197 | |
| 1198 | #define EMIT_MOV(type, type_flags, type_cast) \ |
| 1199 | emit_op(compiler, (src & SLJIT_IMM) ? SLJIT_MOV : type, flags | (type_flags), dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? type_cast srcw : srcw) |
| 1200 | |
| 1201 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op, |
| 1202 | sljit_s32 dst, sljit_sw dstw, |
| 1203 | sljit_s32 src, sljit_sw srcw) |
| 1204 | { |
| 1205 | sljit_s32 flags = HAS_FLAGS(op) ? ALT_SET_FLAGS : 0; |
| 1206 | sljit_s32 op_flags = GET_ALL_FLAGS(op); |
| 1207 | |
| 1208 | CHECK_ERROR(); |
| 1209 | CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw)); |
| 1210 | ADJUST_LOCAL_OFFSET(dst, dstw); |
| 1211 | ADJUST_LOCAL_OFFSET(src, srcw); |
| 1212 | |
| 1213 | op = GET_OPCODE(op); |
| 1214 | if ((src & SLJIT_IMM) && srcw == 0) |
| 1215 | src = TMP_ZERO; |
| 1216 | |
| 1217 | if (GET_FLAG_TYPE(op_flags) == SLJIT_OVERFLOW) |
| 1218 | FAIL_IF(push_inst(compiler, MTXER | S(TMP_ZERO))); |
| 1219 | |
| 1220 | if (op < SLJIT_NOT && FAST_IS_REG(src) && src == dst) { |
| 1221 | if (!TYPE_CAST_NEEDED(op)) |
| 1222 | return SLJIT_SUCCESS; |
| 1223 | } |
| 1224 | |
| 1225 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1226 | if (op_flags & SLJIT_I32_OP) { |
| 1227 | if (op < SLJIT_NOT) { |
| 1228 | if (src & SLJIT_MEM) { |
| 1229 | if (op == SLJIT_MOV_S32) |
| 1230 | op = SLJIT_MOV_U32; |
| 1231 | } |
| 1232 | else if (src & SLJIT_IMM) { |
| 1233 | if (op == SLJIT_MOV_U32) |
| 1234 | op = SLJIT_MOV_S32; |
| 1235 | } |
| 1236 | } |
| 1237 | else { |
| 1238 | /* Most operations expect sign extended arguments. */ |
| 1239 | flags |= INT_DATA | SIGNED_DATA; |
| 1240 | if (HAS_FLAGS(op_flags)) |
| 1241 | flags |= ALT_SIGN_EXT; |
| 1242 | } |
| 1243 | } |
| 1244 | #endif |
| 1245 | |
| 1246 | switch (op) { |
| 1247 | case SLJIT_MOV: |
| 1248 | case SLJIT_MOV_P: |
| 1249 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 1250 | case SLJIT_MOV_U32: |
| 1251 | case SLJIT_MOV_S32: |
| 1252 | #endif |
| 1253 | return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw); |
| 1254 | |
| 1255 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1256 | case SLJIT_MOV_U32: |
| 1257 | return EMIT_MOV(SLJIT_MOV_U32, INT_DATA, (sljit_u32)); |
| 1258 | |
| 1259 | case SLJIT_MOV_S32: |
| 1260 | return EMIT_MOV(SLJIT_MOV_S32, INT_DATA | SIGNED_DATA, (sljit_s32)); |
| 1261 | #endif |
| 1262 | |
| 1263 | case SLJIT_MOV_U8: |
| 1264 | return EMIT_MOV(SLJIT_MOV_U8, BYTE_DATA, (sljit_u8)); |
| 1265 | |
| 1266 | case SLJIT_MOV_S8: |
| 1267 | return EMIT_MOV(SLJIT_MOV_S8, BYTE_DATA | SIGNED_DATA, (sljit_s8)); |
| 1268 | |
| 1269 | case SLJIT_MOV_U16: |
| 1270 | return EMIT_MOV(SLJIT_MOV_U16, HALF_DATA, (sljit_u16)); |
| 1271 | |
| 1272 | case SLJIT_MOV_S16: |
| 1273 | return EMIT_MOV(SLJIT_MOV_S16, HALF_DATA | SIGNED_DATA, (sljit_s16)); |
| 1274 | |
| 1275 | case SLJIT_NOT: |
| 1276 | return emit_op(compiler, SLJIT_NOT, flags, dst, dstw, TMP_REG1, 0, src, srcw); |
| 1277 | |
| 1278 | case SLJIT_NEG: |
| 1279 | return emit_op(compiler, SLJIT_NEG, flags | (GET_FLAG_TYPE(op_flags) ? ALT_FORM1 : 0), dst, dstw, TMP_REG1, 0, src, srcw); |
| 1280 | |
| 1281 | case SLJIT_CLZ: |
| 1282 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1283 | return emit_op(compiler, SLJIT_CLZ, flags | (!(op_flags & SLJIT_I32_OP) ? 0 : ALT_FORM1), dst, dstw, TMP_REG1, 0, src, srcw); |
| 1284 | #else |
| 1285 | return emit_op(compiler, SLJIT_CLZ, flags, dst, dstw, TMP_REG1, 0, src, srcw); |
| 1286 | #endif |
| 1287 | } |
| 1288 | |
| 1289 | return SLJIT_SUCCESS; |
| 1290 | } |
| 1291 | |
| 1292 | #undef EMIT_MOV |
| 1293 | |
| 1294 | #define TEST_SL_IMM(src, srcw) \ |
| 1295 | (((src) & SLJIT_IMM) && (srcw) <= SIMM_MAX && (srcw) >= SIMM_MIN) |
| 1296 | |
| 1297 | #define TEST_UL_IMM(src, srcw) \ |
| 1298 | (((src) & SLJIT_IMM) && !((srcw) & ~0xffff)) |
| 1299 | |
| 1300 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1301 | #define TEST_SH_IMM(src, srcw) \ |
| 1302 | (((src) & SLJIT_IMM) && !((srcw) & 0xffff) && (srcw) <= 0x7fffffffl && (srcw) >= -0x80000000l) |
| 1303 | #else |
| 1304 | #define TEST_SH_IMM(src, srcw) \ |
| 1305 | (((src) & SLJIT_IMM) && !((srcw) & 0xffff)) |
| 1306 | #endif |
| 1307 | |
| 1308 | #define TEST_UH_IMM(src, srcw) \ |
| 1309 | (((src) & SLJIT_IMM) && !((srcw) & ~0xffff0000)) |
| 1310 | |
| 1311 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1312 | #define TEST_ADD_IMM(src, srcw) \ |
| 1313 | (((src) & SLJIT_IMM) && (srcw) <= 0x7fff7fffl && (srcw) >= -0x80000000l) |
| 1314 | #else |
| 1315 | #define TEST_ADD_IMM(src, srcw) \ |
| 1316 | ((src) & SLJIT_IMM) |
| 1317 | #endif |
| 1318 | |
| 1319 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1320 | #define TEST_UI_IMM(src, srcw) \ |
| 1321 | (((src) & SLJIT_IMM) && !((srcw) & ~0xffffffff)) |
| 1322 | #else |
| 1323 | #define TEST_UI_IMM(src, srcw) \ |
| 1324 | ((src) & SLJIT_IMM) |
| 1325 | #endif |
| 1326 | |
| 1327 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1328 | #define TEST_ADD_FORM1(op) \ |
| 1329 | (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW \ |
| 1330 | || (op & (SLJIT_I32_OP | SLJIT_SET_Z | VARIABLE_FLAG_MASK)) == (SLJIT_I32_OP | SLJIT_SET_Z | SLJIT_SET_CARRY)) |
| 1331 | #define TEST_SUB_FORM2(op) \ |
| 1332 | ((GET_FLAG_TYPE(op) >= SLJIT_SIG_LESS && GET_FLAG_TYPE(op) <= SLJIT_SIG_LESS_EQUAL) \ |
| 1333 | || (op & (SLJIT_I32_OP | SLJIT_SET_Z | VARIABLE_FLAG_MASK)) == (SLJIT_I32_OP | SLJIT_SET_Z)) |
| 1334 | #define TEST_SUB_FORM3(op) \ |
| 1335 | (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW \ |
| 1336 | || (op & (SLJIT_I32_OP | SLJIT_SET_Z)) == (SLJIT_I32_OP | SLJIT_SET_Z)) |
| 1337 | #else |
| 1338 | #define TEST_ADD_FORM1(op) \ |
| 1339 | (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW) |
| 1340 | #define TEST_SUB_FORM2(op) \ |
| 1341 | (GET_FLAG_TYPE(op) >= SLJIT_SIG_LESS && GET_FLAG_TYPE(op) <= SLJIT_SIG_LESS_EQUAL) |
| 1342 | #define TEST_SUB_FORM3(op) \ |
| 1343 | (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW) |
| 1344 | #endif |
| 1345 | |
| 1346 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op, |
| 1347 | sljit_s32 dst, sljit_sw dstw, |
| 1348 | sljit_s32 src1, sljit_sw src1w, |
| 1349 | sljit_s32 src2, sljit_sw src2w) |
| 1350 | { |
| 1351 | sljit_s32 flags = HAS_FLAGS(op) ? ALT_SET_FLAGS : 0; |
| 1352 | |
| 1353 | CHECK_ERROR(); |
| 1354 | CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); |
| 1355 | ADJUST_LOCAL_OFFSET(dst, dstw); |
| 1356 | ADJUST_LOCAL_OFFSET(src1, src1w); |
| 1357 | ADJUST_LOCAL_OFFSET(src2, src2w); |
| 1358 | |
| 1359 | if (dst == SLJIT_UNUSED && !HAS_FLAGS(op)) |
| 1360 | return SLJIT_SUCCESS; |
| 1361 | |
| 1362 | if ((src1 & SLJIT_IMM) && src1w == 0) |
| 1363 | src1 = TMP_ZERO; |
| 1364 | if ((src2 & SLJIT_IMM) && src2w == 0) |
| 1365 | src2 = TMP_ZERO; |
| 1366 | |
| 1367 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1368 | if (op & SLJIT_I32_OP) { |
| 1369 | /* Most operations expect sign extended arguments. */ |
| 1370 | flags |= INT_DATA | SIGNED_DATA; |
| 1371 | if (src1 & SLJIT_IMM) |
| 1372 | src1w = (sljit_s32)(src1w); |
| 1373 | if (src2 & SLJIT_IMM) |
| 1374 | src2w = (sljit_s32)(src2w); |
| 1375 | if (HAS_FLAGS(op)) |
| 1376 | flags |= ALT_SIGN_EXT; |
| 1377 | } |
| 1378 | #endif |
| 1379 | if (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW) |
| 1380 | FAIL_IF(push_inst(compiler, MTXER | S(TMP_ZERO))); |
| 1381 | |
| 1382 | switch (GET_OPCODE(op)) { |
| 1383 | case SLJIT_ADD: |
| 1384 | if (TEST_ADD_FORM1(op)) |
| 1385 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM1, dst, dstw, src1, src1w, src2, src2w); |
| 1386 | |
| 1387 | if (!HAS_FLAGS(op) && ((src1 | src2) & SLJIT_IMM)) { |
| 1388 | if (TEST_SL_IMM(src2, src2w)) { |
| 1389 | compiler->imm = src2w & 0xffff; |
| 1390 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1391 | } |
| 1392 | if (TEST_SL_IMM(src1, src1w)) { |
| 1393 | compiler->imm = src1w & 0xffff; |
| 1394 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0); |
| 1395 | } |
| 1396 | if (TEST_SH_IMM(src2, src2w)) { |
| 1397 | compiler->imm = (src2w >> 16) & 0xffff; |
| 1398 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1399 | } |
| 1400 | if (TEST_SH_IMM(src1, src1w)) { |
| 1401 | compiler->imm = (src1w >> 16) & 0xffff; |
| 1402 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0); |
| 1403 | } |
| 1404 | /* Range between -1 and -32768 is covered above. */ |
| 1405 | if (TEST_ADD_IMM(src2, src2w)) { |
| 1406 | compiler->imm = src2w & 0xffffffff; |
| 1407 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1408 | } |
| 1409 | if (TEST_ADD_IMM(src1, src1w)) { |
| 1410 | compiler->imm = src1w & 0xffffffff; |
| 1411 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM4, dst, dstw, src2, src2w, TMP_REG2, 0); |
| 1412 | } |
| 1413 | } |
| 1414 | |
| 1415 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1416 | if ((op & (SLJIT_I32_OP | SLJIT_SET_Z)) == (SLJIT_I32_OP | SLJIT_SET_Z)) { |
| 1417 | if (TEST_SL_IMM(src2, src2w)) { |
| 1418 | compiler->imm = src2w & 0xffff; |
| 1419 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM4 | ALT_FORM5, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1420 | } |
| 1421 | if (TEST_SL_IMM(src1, src1w)) { |
| 1422 | compiler->imm = src1w & 0xffff; |
| 1423 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM4 | ALT_FORM5, dst, dstw, src2, src2w, TMP_REG2, 0); |
| 1424 | } |
| 1425 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w); |
| 1426 | } |
| 1427 | #endif |
| 1428 | if (HAS_FLAGS(op)) { |
| 1429 | if (TEST_SL_IMM(src2, src2w)) { |
| 1430 | compiler->imm = src2w & 0xffff; |
| 1431 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1432 | } |
| 1433 | if (TEST_SL_IMM(src1, src1w)) { |
| 1434 | compiler->imm = src1w & 0xffff; |
| 1435 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0); |
| 1436 | } |
| 1437 | } |
| 1438 | return emit_op(compiler, SLJIT_ADD, flags | ((GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY)) ? ALT_FORM5 : 0), dst, dstw, src1, src1w, src2, src2w); |
| 1439 | |
| 1440 | case SLJIT_ADDC: |
| 1441 | return emit_op(compiler, SLJIT_ADDC, flags, dst, dstw, src1, src1w, src2, src2w); |
| 1442 | |
| 1443 | case SLJIT_SUB: |
| 1444 | if (GET_FLAG_TYPE(op) >= SLJIT_LESS && GET_FLAG_TYPE(op) <= SLJIT_LESS_EQUAL) { |
| 1445 | if (dst == SLJIT_UNUSED) { |
| 1446 | if (TEST_UL_IMM(src2, src2w)) { |
| 1447 | compiler->imm = src2w & 0xffff; |
| 1448 | return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1 | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1449 | } |
| 1450 | return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1, dst, dstw, src1, src1w, src2, src2w); |
| 1451 | } |
| 1452 | |
| 1453 | if ((src2 & SLJIT_IMM) && src2w >= 0 && src2w <= (SIMM_MAX + 1)) { |
| 1454 | compiler->imm = src2w; |
| 1455 | return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1 | ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1456 | } |
| 1457 | return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1 | ALT_FORM3, dst, dstw, src1, src1w, src2, src2w); |
| 1458 | } |
| 1459 | |
| 1460 | if (dst == SLJIT_UNUSED && GET_FLAG_TYPE(op) <= SLJIT_SIG_LESS_EQUAL) { |
| 1461 | if (TEST_SL_IMM(src2, src2w)) { |
| 1462 | compiler->imm = src2w & 0xffff; |
| 1463 | return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1464 | } |
| 1465 | return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2, dst, dstw, src1, src1w, src2, src2w); |
| 1466 | } |
| 1467 | |
| 1468 | if (TEST_SUB_FORM2(op)) { |
| 1469 | if ((src2 & SLJIT_IMM) && src2w >= -SIMM_MAX && src2w <= SIMM_MAX) { |
| 1470 | compiler->imm = src2w & 0xffff; |
| 1471 | return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2 | ALT_FORM3 | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1472 | } |
| 1473 | return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2 | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w); |
| 1474 | } |
| 1475 | |
| 1476 | if (TEST_SUB_FORM3(op)) |
| 1477 | return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM3, dst, dstw, src1, src1w, src2, src2w); |
| 1478 | |
| 1479 | if (TEST_SL_IMM(src2, -src2w)) { |
| 1480 | compiler->imm = (-src2w) & 0xffff; |
| 1481 | return emit_op(compiler, SLJIT_ADD, flags | (!HAS_FLAGS(op) ? ALT_FORM2 : ALT_FORM3), dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1482 | } |
| 1483 | |
| 1484 | if (TEST_SL_IMM(src1, src1w) && !(op & SLJIT_SET_Z)) { |
| 1485 | compiler->imm = src1w & 0xffff; |
| 1486 | return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM4, dst, dstw, src2, src2w, TMP_REG2, 0); |
| 1487 | } |
| 1488 | |
| 1489 | if (!HAS_FLAGS(op)) { |
| 1490 | if (TEST_SH_IMM(src2, -src2w)) { |
| 1491 | compiler->imm = ((-src2w) >> 16) & 0xffff; |
| 1492 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1493 | } |
| 1494 | /* Range between -1 and -32768 is covered above. */ |
| 1495 | if (TEST_ADD_IMM(src2, -src2w)) { |
| 1496 | compiler->imm = -src2w & 0xffffffff; |
| 1497 | return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1498 | } |
| 1499 | } |
| 1500 | |
| 1501 | /* We know ALT_SIGN_EXT is set if it is an SLJIT_I32_OP on 64 bit systems. */ |
| 1502 | return emit_op(compiler, SLJIT_SUB, flags | ((GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY)) ? ALT_FORM5 : 0), dst, dstw, src1, src1w, src2, src2w); |
| 1503 | |
| 1504 | case SLJIT_SUBC: |
| 1505 | return emit_op(compiler, SLJIT_SUBC, flags, dst, dstw, src1, src1w, src2, src2w); |
| 1506 | |
| 1507 | case SLJIT_MUL: |
| 1508 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1509 | if (op & SLJIT_I32_OP) |
| 1510 | flags |= ALT_FORM2; |
| 1511 | #endif |
| 1512 | if (!HAS_FLAGS(op)) { |
| 1513 | if (TEST_SL_IMM(src2, src2w)) { |
| 1514 | compiler->imm = src2w & 0xffff; |
| 1515 | return emit_op(compiler, SLJIT_MUL, flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1516 | } |
| 1517 | if (TEST_SL_IMM(src1, src1w)) { |
| 1518 | compiler->imm = src1w & 0xffff; |
| 1519 | return emit_op(compiler, SLJIT_MUL, flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0); |
| 1520 | } |
| 1521 | } |
| 1522 | else |
| 1523 | FAIL_IF(push_inst(compiler, MTXER | S(TMP_ZERO))); |
| 1524 | return emit_op(compiler, SLJIT_MUL, flags, dst, dstw, src1, src1w, src2, src2w); |
| 1525 | |
| 1526 | case SLJIT_AND: |
| 1527 | case SLJIT_OR: |
| 1528 | case SLJIT_XOR: |
| 1529 | /* Commutative unsigned operations. */ |
| 1530 | if (!HAS_FLAGS(op) || GET_OPCODE(op) == SLJIT_AND) { |
| 1531 | if (TEST_UL_IMM(src2, src2w)) { |
| 1532 | compiler->imm = src2w; |
| 1533 | return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1534 | } |
| 1535 | if (TEST_UL_IMM(src1, src1w)) { |
| 1536 | compiler->imm = src1w; |
| 1537 | return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0); |
| 1538 | } |
| 1539 | if (TEST_UH_IMM(src2, src2w)) { |
| 1540 | compiler->imm = (src2w >> 16) & 0xffff; |
| 1541 | return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1542 | } |
| 1543 | if (TEST_UH_IMM(src1, src1w)) { |
| 1544 | compiler->imm = (src1w >> 16) & 0xffff; |
| 1545 | return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0); |
| 1546 | } |
| 1547 | } |
| 1548 | if (GET_OPCODE(op) != SLJIT_AND && GET_OPCODE(op) != SLJIT_AND) { |
| 1549 | /* Unlike or and xor, and resets unwanted bits as well. */ |
| 1550 | if (TEST_UI_IMM(src2, src2w)) { |
| 1551 | compiler->imm = src2w; |
| 1552 | return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1553 | } |
| 1554 | if (TEST_UI_IMM(src1, src1w)) { |
| 1555 | compiler->imm = src1w; |
| 1556 | return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0); |
| 1557 | } |
| 1558 | } |
| 1559 | return emit_op(compiler, GET_OPCODE(op), flags, dst, dstw, src1, src1w, src2, src2w); |
| 1560 | |
| 1561 | case SLJIT_SHL: |
| 1562 | case SLJIT_LSHR: |
| 1563 | case SLJIT_ASHR: |
| 1564 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1565 | if (op & SLJIT_I32_OP) |
| 1566 | flags |= ALT_FORM2; |
| 1567 | #endif |
| 1568 | if (src2 & SLJIT_IMM) { |
| 1569 | compiler->imm = src2w; |
| 1570 | return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); |
| 1571 | } |
| 1572 | return emit_op(compiler, GET_OPCODE(op), flags, dst, dstw, src1, src1w, src2, src2w); |
| 1573 | } |
| 1574 | |
| 1575 | return SLJIT_SUCCESS; |
| 1576 | } |
| 1577 | |
| 1578 | #undef TEST_ADD_FORM1 |
| 1579 | #undef TEST_SUB_FORM2 |
| 1580 | #undef TEST_SUB_FORM3 |
| 1581 | |
| 1582 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_src(struct sljit_compiler *compiler, sljit_s32 op, |
| 1583 | sljit_s32 src, sljit_sw srcw) |
| 1584 | { |
| 1585 | CHECK_ERROR(); |
| 1586 | CHECK(check_sljit_emit_op_src(compiler, op, src, srcw)); |
| 1587 | ADJUST_LOCAL_OFFSET(src, srcw); |
| 1588 | |
| 1589 | switch (op) { |
| 1590 | case SLJIT_FAST_RETURN: |
| 1591 | if (FAST_IS_REG(src)) |
| 1592 | FAIL_IF(push_inst(compiler, MTLR | S(src))); |
| 1593 | else { |
| 1594 | FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw)); |
| 1595 | FAIL_IF(push_inst(compiler, MTLR | S(TMP_REG2))); |
| 1596 | } |
| 1597 | |
| 1598 | return push_inst(compiler, BLR); |
| 1599 | case SLJIT_SKIP_FRAMES_BEFORE_FAST_RETURN: |
| 1600 | return SLJIT_SUCCESS; |
| 1601 | case SLJIT_PREFETCH_L1: |
| 1602 | case SLJIT_PREFETCH_L2: |
| 1603 | case SLJIT_PREFETCH_L3: |
| 1604 | case SLJIT_PREFETCH_ONCE: |
| 1605 | return emit_prefetch(compiler, src, srcw); |
| 1606 | } |
| 1607 | |
| 1608 | return SLJIT_SUCCESS; |
| 1609 | } |
| 1610 | |
| 1611 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg) |
| 1612 | { |
| 1613 | CHECK_REG_INDEX(check_sljit_get_register_index(reg)); |
| 1614 | return reg_map[reg]; |
| 1615 | } |
| 1616 | |
| 1617 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg) |
| 1618 | { |
| 1619 | CHECK_REG_INDEX(check_sljit_get_float_register_index(reg)); |
| 1620 | return freg_map[reg]; |
| 1621 | } |
| 1622 | |
| 1623 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler, |
| 1624 | void *instruction, sljit_s32 size) |
| 1625 | { |
| 1626 | CHECK_ERROR(); |
| 1627 | CHECK(check_sljit_emit_op_custom(compiler, instruction, size)); |
| 1628 | |
| 1629 | return push_inst(compiler, *(sljit_ins*)instruction); |
| 1630 | } |
| 1631 | |
| 1632 | /* --------------------------------------------------------------------- */ |
| 1633 | /* Floating point operators */ |
| 1634 | /* --------------------------------------------------------------------- */ |
| 1635 | |
| 1636 | #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 6)) |
| 1637 | #define SELECT_FOP(op, single, double) ((op & SLJIT_F32_OP) ? single : double) |
| 1638 | |
| 1639 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1640 | #define FLOAT_TMP_MEM_OFFSET (6 * sizeof(sljit_sw)) |
| 1641 | #else |
| 1642 | #define FLOAT_TMP_MEM_OFFSET (2 * sizeof(sljit_sw)) |
| 1643 | |
| 1644 | #if (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN) |
| 1645 | #define FLOAT_TMP_MEM_OFFSET_LOW (2 * sizeof(sljit_sw)) |
| 1646 | #define FLOAT_TMP_MEM_OFFSET_HI (3 * sizeof(sljit_sw)) |
| 1647 | #else |
| 1648 | #define FLOAT_TMP_MEM_OFFSET_LOW (3 * sizeof(sljit_sw)) |
| 1649 | #define FLOAT_TMP_MEM_OFFSET_HI (2 * sizeof(sljit_sw)) |
| 1650 | #endif |
| 1651 | |
| 1652 | #endif /* SLJIT_CONFIG_PPC_64 */ |
| 1653 | |
| 1654 | static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op, |
| 1655 | sljit_s32 dst, sljit_sw dstw, |
| 1656 | sljit_s32 src, sljit_sw srcw) |
| 1657 | { |
| 1658 | if (src & SLJIT_MEM) { |
| 1659 | /* We can ignore the temporary data store on the stack from caching point of view. */ |
| 1660 | FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, TMP_REG1)); |
| 1661 | src = TMP_FREG1; |
| 1662 | } |
| 1663 | |
| 1664 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1665 | op = GET_OPCODE(op); |
| 1666 | FAIL_IF(push_inst(compiler, (op == SLJIT_CONV_S32_FROM_F64 ? FCTIWZ : FCTIDZ) | FD(TMP_FREG1) | FB(src))); |
| 1667 | |
| 1668 | if (op == SLJIT_CONV_SW_FROM_F64) { |
| 1669 | if (FAST_IS_REG(dst)) { |
| 1670 | FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); |
| 1671 | return emit_op_mem(compiler, WORD_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1); |
| 1672 | } |
| 1673 | return emit_op_mem(compiler, DOUBLE_DATA, TMP_FREG1, dst, dstw, TMP_REG1); |
| 1674 | } |
| 1675 | #else |
| 1676 | FAIL_IF(push_inst(compiler, FCTIWZ | FD(TMP_FREG1) | FB(src))); |
| 1677 | #endif |
| 1678 | |
| 1679 | if (FAST_IS_REG(dst)) { |
| 1680 | FAIL_IF(load_immediate(compiler, TMP_REG1, FLOAT_TMP_MEM_OFFSET)); |
| 1681 | FAIL_IF(push_inst(compiler, STFIWX | FS(TMP_FREG1) | A(SLJIT_SP) | B(TMP_REG1))); |
| 1682 | return emit_op_mem(compiler, INT_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1); |
| 1683 | } |
| 1684 | |
| 1685 | SLJIT_ASSERT(dst & SLJIT_MEM); |
| 1686 | |
| 1687 | if (dst & OFFS_REG_MASK) { |
| 1688 | dstw &= 0x3; |
| 1689 | if (dstw) { |
| 1690 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 1691 | FAIL_IF(push_inst(compiler, RLWINM | S(OFFS_REG(dst)) | A(TMP_REG1) | (dstw << 11) | ((31 - dstw) << 1))); |
| 1692 | #else |
| 1693 | FAIL_IF(push_inst(compiler, RLDI(TMP_REG1, OFFS_REG(dst), dstw, 63 - dstw, 1))); |
| 1694 | #endif |
| 1695 | dstw = TMP_REG1; |
| 1696 | } |
| 1697 | else |
| 1698 | dstw = OFFS_REG(dst); |
| 1699 | } |
| 1700 | else { |
| 1701 | if ((dst & REG_MASK) && !dstw) { |
| 1702 | dstw = dst & REG_MASK; |
| 1703 | dst = 0; |
| 1704 | } |
| 1705 | else { |
| 1706 | /* This works regardless we have SLJIT_MEM1 or SLJIT_MEM0. */ |
| 1707 | FAIL_IF(load_immediate(compiler, TMP_REG1, dstw)); |
| 1708 | dstw = TMP_REG1; |
| 1709 | } |
| 1710 | } |
| 1711 | |
| 1712 | return push_inst(compiler, STFIWX | FS(TMP_FREG1) | A(dst & REG_MASK) | B(dstw)); |
| 1713 | } |
| 1714 | |
| 1715 | static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op, |
| 1716 | sljit_s32 dst, sljit_sw dstw, |
| 1717 | sljit_s32 src, sljit_sw srcw) |
| 1718 | { |
| 1719 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 1720 | |
| 1721 | sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; |
| 1722 | |
| 1723 | if (src & SLJIT_IMM) { |
| 1724 | if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) |
| 1725 | srcw = (sljit_s32)srcw; |
| 1726 | FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); |
| 1727 | src = TMP_REG1; |
| 1728 | } |
| 1729 | else if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) { |
| 1730 | if (FAST_IS_REG(src)) |
| 1731 | FAIL_IF(push_inst(compiler, EXTSW | S(src) | A(TMP_REG1))); |
| 1732 | else |
| 1733 | FAIL_IF(emit_op_mem(compiler, INT_DATA | SIGNED_DATA | LOAD_DATA, TMP_REG1, src, srcw, TMP_REG1)); |
| 1734 | src = TMP_REG1; |
| 1735 | } |
| 1736 | |
| 1737 | if (FAST_IS_REG(src)) { |
| 1738 | FAIL_IF(emit_op_mem(compiler, WORD_DATA, src, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); |
| 1739 | FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); |
| 1740 | } |
| 1741 | else |
| 1742 | FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, TMP_REG1)); |
| 1743 | |
| 1744 | FAIL_IF(push_inst(compiler, FCFID | FD(dst_r) | FB(TMP_FREG1))); |
| 1745 | |
| 1746 | if (dst & SLJIT_MEM) |
| 1747 | return emit_op_mem(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, TMP_REG1); |
| 1748 | if (op & SLJIT_F32_OP) |
| 1749 | return push_inst(compiler, FRSP | FD(dst_r) | FB(dst_r)); |
| 1750 | return SLJIT_SUCCESS; |
| 1751 | |
| 1752 | #else |
| 1753 | |
| 1754 | sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; |
| 1755 | sljit_s32 invert_sign = 1; |
| 1756 | |
| 1757 | if (src & SLJIT_IMM) { |
| 1758 | FAIL_IF(load_immediate(compiler, TMP_REG1, srcw ^ 0x80000000)); |
| 1759 | src = TMP_REG1; |
| 1760 | invert_sign = 0; |
| 1761 | } |
| 1762 | else if (!FAST_IS_REG(src)) { |
| 1763 | FAIL_IF(emit_op_mem(compiler, WORD_DATA | SIGNED_DATA | LOAD_DATA, TMP_REG1, src, srcw, TMP_REG1)); |
| 1764 | src = TMP_REG1; |
| 1765 | } |
| 1766 | |
| 1767 | /* First, a special double floating point value is constructed: (2^53 + (input xor (2^31))) |
| 1768 | The double precision format has exactly 53 bit precision, so the lower 32 bit represents |
| 1769 | the lower 32 bit of such value. The result of xor 2^31 is the same as adding 0x80000000 |
| 1770 | to the input, which shifts it into the 0 - 0xffffffff range. To get the converted floating |
| 1771 | point value, we need to substract 2^53 + 2^31 from the constructed value. */ |
| 1772 | FAIL_IF(push_inst(compiler, ADDIS | D(TMP_REG2) | A(0) | 0x4330)); |
| 1773 | if (invert_sign) |
| 1774 | FAIL_IF(push_inst(compiler, XORIS | S(src) | A(TMP_REG1) | 0x8000)); |
| 1775 | FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_HI, TMP_REG1)); |
| 1776 | FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_LOW, TMP_REG2)); |
| 1777 | FAIL_IF(push_inst(compiler, ADDIS | D(TMP_REG1) | A(0) | 0x8000)); |
| 1778 | FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); |
| 1779 | FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_LOW, TMP_REG2)); |
| 1780 | FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG2, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); |
| 1781 | |
| 1782 | FAIL_IF(push_inst(compiler, FSUB | FD(dst_r) | FA(TMP_FREG1) | FB(TMP_FREG2))); |
| 1783 | |
| 1784 | if (dst & SLJIT_MEM) |
| 1785 | return emit_op_mem(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, TMP_REG1); |
| 1786 | if (op & SLJIT_F32_OP) |
| 1787 | return push_inst(compiler, FRSP | FD(dst_r) | FB(dst_r)); |
| 1788 | return SLJIT_SUCCESS; |
| 1789 | |
| 1790 | #endif |
| 1791 | } |
| 1792 | |
| 1793 | static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op, |
| 1794 | sljit_s32 src1, sljit_sw src1w, |
| 1795 | sljit_s32 src2, sljit_sw src2w) |
| 1796 | { |
| 1797 | if (src1 & SLJIT_MEM) { |
| 1798 | FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, TMP_REG1)); |
| 1799 | src1 = TMP_FREG1; |
| 1800 | } |
| 1801 | |
| 1802 | if (src2 & SLJIT_MEM) { |
| 1803 | FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, TMP_REG2)); |
| 1804 | src2 = TMP_FREG2; |
| 1805 | } |
| 1806 | |
| 1807 | return push_inst(compiler, FCMPU | CRD(4) | FA(src1) | FB(src2)); |
| 1808 | } |
| 1809 | |
| 1810 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op, |
| 1811 | sljit_s32 dst, sljit_sw dstw, |
| 1812 | sljit_s32 src, sljit_sw srcw) |
| 1813 | { |
| 1814 | sljit_s32 dst_r; |
| 1815 | |
| 1816 | CHECK_ERROR(); |
| 1817 | |
| 1818 | SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x4), float_transfer_bit_error); |
| 1819 | SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw); |
| 1820 | |
| 1821 | if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32) |
| 1822 | op ^= SLJIT_F32_OP; |
| 1823 | |
| 1824 | dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; |
| 1825 | |
| 1826 | if (src & SLJIT_MEM) { |
| 1827 | FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, TMP_REG1)); |
| 1828 | src = dst_r; |
| 1829 | } |
| 1830 | |
| 1831 | switch (GET_OPCODE(op)) { |
| 1832 | case SLJIT_CONV_F64_FROM_F32: |
| 1833 | op ^= SLJIT_F32_OP; |
| 1834 | if (op & SLJIT_F32_OP) { |
| 1835 | FAIL_IF(push_inst(compiler, FRSP | FD(dst_r) | FB(src))); |
| 1836 | break; |
| 1837 | } |
| 1838 | /* Fall through. */ |
| 1839 | case SLJIT_MOV_F64: |
| 1840 | if (src != dst_r) { |
| 1841 | if (dst_r != TMP_FREG1) |
| 1842 | FAIL_IF(push_inst(compiler, FMR | FD(dst_r) | FB(src))); |
| 1843 | else |
| 1844 | dst_r = src; |
| 1845 | } |
| 1846 | break; |
| 1847 | case SLJIT_NEG_F64: |
| 1848 | FAIL_IF(push_inst(compiler, FNEG | FD(dst_r) | FB(src))); |
| 1849 | break; |
| 1850 | case SLJIT_ABS_F64: |
| 1851 | FAIL_IF(push_inst(compiler, FABS | FD(dst_r) | FB(src))); |
| 1852 | break; |
| 1853 | } |
| 1854 | |
| 1855 | if (dst & SLJIT_MEM) |
| 1856 | FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op), dst_r, dst, dstw, TMP_REG1)); |
| 1857 | return SLJIT_SUCCESS; |
| 1858 | } |
| 1859 | |
| 1860 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op, |
| 1861 | sljit_s32 dst, sljit_sw dstw, |
| 1862 | sljit_s32 src1, sljit_sw src1w, |
| 1863 | sljit_s32 src2, sljit_sw src2w) |
| 1864 | { |
| 1865 | sljit_s32 dst_r; |
| 1866 | |
| 1867 | CHECK_ERROR(); |
| 1868 | CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); |
| 1869 | ADJUST_LOCAL_OFFSET(dst, dstw); |
| 1870 | ADJUST_LOCAL_OFFSET(src1, src1w); |
| 1871 | ADJUST_LOCAL_OFFSET(src2, src2w); |
| 1872 | |
| 1873 | dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG2; |
| 1874 | |
| 1875 | if (src1 & SLJIT_MEM) { |
| 1876 | FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, TMP_REG1)); |
| 1877 | src1 = TMP_FREG1; |
| 1878 | } |
| 1879 | |
| 1880 | if (src2 & SLJIT_MEM) { |
| 1881 | FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, TMP_REG2)); |
| 1882 | src2 = TMP_FREG2; |
| 1883 | } |
| 1884 | |
| 1885 | switch (GET_OPCODE(op)) { |
| 1886 | case SLJIT_ADD_F64: |
| 1887 | FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADD) | FD(dst_r) | FA(src1) | FB(src2))); |
| 1888 | break; |
| 1889 | |
| 1890 | case SLJIT_SUB_F64: |
| 1891 | FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUB) | FD(dst_r) | FA(src1) | FB(src2))); |
| 1892 | break; |
| 1893 | |
| 1894 | case SLJIT_MUL_F64: |
| 1895 | FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMUL) | FD(dst_r) | FA(src1) | FC(src2) /* FMUL use FC as src2 */)); |
| 1896 | break; |
| 1897 | |
| 1898 | case SLJIT_DIV_F64: |
| 1899 | FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIV) | FD(dst_r) | FA(src1) | FB(src2))); |
| 1900 | break; |
| 1901 | } |
| 1902 | |
| 1903 | if (dst & SLJIT_MEM) |
| 1904 | FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, TMP_REG1)); |
| 1905 | |
| 1906 | return SLJIT_SUCCESS; |
| 1907 | } |
| 1908 | |
| 1909 | #undef SELECT_FOP |
| 1910 | |
| 1911 | /* --------------------------------------------------------------------- */ |
| 1912 | /* Other instructions */ |
| 1913 | /* --------------------------------------------------------------------- */ |
| 1914 | |
| 1915 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw) |
| 1916 | { |
| 1917 | CHECK_ERROR(); |
| 1918 | CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw)); |
| 1919 | ADJUST_LOCAL_OFFSET(dst, dstw); |
| 1920 | |
| 1921 | if (FAST_IS_REG(dst)) |
| 1922 | return push_inst(compiler, MFLR | D(dst)); |
| 1923 | |
| 1924 | /* Memory. */ |
| 1925 | FAIL_IF(push_inst(compiler, MFLR | D(TMP_REG2))); |
| 1926 | return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0); |
| 1927 | } |
| 1928 | |
| 1929 | /* --------------------------------------------------------------------- */ |
| 1930 | /* Conditional instructions */ |
| 1931 | /* --------------------------------------------------------------------- */ |
| 1932 | |
| 1933 | SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler) |
| 1934 | { |
| 1935 | struct sljit_label *label; |
| 1936 | |
| 1937 | CHECK_ERROR_PTR(); |
| 1938 | CHECK_PTR(check_sljit_emit_label(compiler)); |
| 1939 | |
| 1940 | if (compiler->last_label && compiler->last_label->size == compiler->size) |
| 1941 | return compiler->last_label; |
| 1942 | |
| 1943 | label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label)); |
| 1944 | PTR_FAIL_IF(!label); |
| 1945 | set_label(label, compiler); |
| 1946 | return label; |
| 1947 | } |
| 1948 | |
| 1949 | static sljit_ins get_bo_bi_flags(sljit_s32 type) |
| 1950 | { |
| 1951 | switch (type) { |
| 1952 | case SLJIT_EQUAL: |
| 1953 | return (12 << 21) | (2 << 16); |
| 1954 | |
| 1955 | case SLJIT_NOT_EQUAL: |
| 1956 | return (4 << 21) | (2 << 16); |
| 1957 | |
| 1958 | case SLJIT_LESS: |
| 1959 | case SLJIT_SIG_LESS: |
| 1960 | return (12 << 21) | (0 << 16); |
| 1961 | |
| 1962 | case SLJIT_GREATER_EQUAL: |
| 1963 | case SLJIT_SIG_GREATER_EQUAL: |
| 1964 | return (4 << 21) | (0 << 16); |
| 1965 | |
| 1966 | case SLJIT_GREATER: |
| 1967 | case SLJIT_SIG_GREATER: |
| 1968 | return (12 << 21) | (1 << 16); |
| 1969 | |
| 1970 | case SLJIT_LESS_EQUAL: |
| 1971 | case SLJIT_SIG_LESS_EQUAL: |
| 1972 | return (4 << 21) | (1 << 16); |
| 1973 | |
| 1974 | case SLJIT_LESS_F64: |
| 1975 | return (12 << 21) | ((4 + 0) << 16); |
| 1976 | |
| 1977 | case SLJIT_GREATER_EQUAL_F64: |
| 1978 | return (4 << 21) | ((4 + 0) << 16); |
| 1979 | |
| 1980 | case SLJIT_GREATER_F64: |
| 1981 | return (12 << 21) | ((4 + 1) << 16); |
| 1982 | |
| 1983 | case SLJIT_LESS_EQUAL_F64: |
| 1984 | return (4 << 21) | ((4 + 1) << 16); |
| 1985 | |
| 1986 | case SLJIT_OVERFLOW: |
| 1987 | return (12 << 21) | (3 << 16); |
| 1988 | |
| 1989 | case SLJIT_NOT_OVERFLOW: |
| 1990 | return (4 << 21) | (3 << 16); |
| 1991 | |
| 1992 | case SLJIT_EQUAL_F64: |
| 1993 | return (12 << 21) | ((4 + 2) << 16); |
| 1994 | |
| 1995 | case SLJIT_NOT_EQUAL_F64: |
| 1996 | return (4 << 21) | ((4 + 2) << 16); |
| 1997 | |
| 1998 | case SLJIT_UNORDERED_F64: |
| 1999 | return (12 << 21) | ((4 + 3) << 16); |
| 2000 | |
| 2001 | case SLJIT_ORDERED_F64: |
| 2002 | return (4 << 21) | ((4 + 3) << 16); |
| 2003 | |
| 2004 | default: |
| 2005 | SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL_CDECL); |
| 2006 | return (20 << 21); |
| 2007 | } |
| 2008 | } |
| 2009 | |
| 2010 | SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type) |
| 2011 | { |
| 2012 | struct sljit_jump *jump; |
| 2013 | sljit_ins bo_bi_flags; |
| 2014 | |
| 2015 | CHECK_ERROR_PTR(); |
| 2016 | CHECK_PTR(check_sljit_emit_jump(compiler, type)); |
| 2017 | |
| 2018 | bo_bi_flags = get_bo_bi_flags(type & 0xff); |
| 2019 | if (!bo_bi_flags) |
| 2020 | return NULL; |
| 2021 | |
| 2022 | jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); |
| 2023 | PTR_FAIL_IF(!jump); |
| 2024 | set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP); |
| 2025 | type &= 0xff; |
| 2026 | |
| 2027 | /* In PPC, we don't need to touch the arguments. */ |
| 2028 | if (type < SLJIT_JUMP) |
| 2029 | jump->flags |= IS_COND; |
| 2030 | #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) |
| 2031 | if (type >= SLJIT_CALL) |
| 2032 | jump->flags |= IS_CALL; |
| 2033 | #endif |
| 2034 | |
| 2035 | PTR_FAIL_IF(emit_const(compiler, TMP_CALL_REG, 0)); |
| 2036 | PTR_FAIL_IF(push_inst(compiler, MTCTR | S(TMP_CALL_REG))); |
| 2037 | jump->addr = compiler->size; |
| 2038 | PTR_FAIL_IF(push_inst(compiler, BCCTR | bo_bi_flags | (type >= SLJIT_FAST_CALL ? 1 : 0))); |
| 2039 | return jump; |
| 2040 | } |
| 2041 | |
| 2042 | SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type, |
| 2043 | sljit_s32 arg_types) |
| 2044 | { |
| 2045 | CHECK_ERROR_PTR(); |
| 2046 | CHECK_PTR(check_sljit_emit_call(compiler, type, arg_types)); |
| 2047 | |
| 2048 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 2049 | PTR_FAIL_IF(call_with_args(compiler, arg_types, NULL)); |
| 2050 | #endif |
| 2051 | |
| 2052 | #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ |
| 2053 | || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) |
| 2054 | compiler->skip_checks = 1; |
| 2055 | #endif |
| 2056 | |
| 2057 | return sljit_emit_jump(compiler, type); |
| 2058 | } |
| 2059 | |
| 2060 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw) |
| 2061 | { |
| 2062 | struct sljit_jump *jump = NULL; |
| 2063 | sljit_s32 src_r; |
| 2064 | |
| 2065 | CHECK_ERROR(); |
| 2066 | CHECK(check_sljit_emit_ijump(compiler, type, src, srcw)); |
| 2067 | ADJUST_LOCAL_OFFSET(src, srcw); |
| 2068 | |
| 2069 | if (FAST_IS_REG(src)) { |
| 2070 | #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) |
| 2071 | if (type >= SLJIT_CALL) { |
| 2072 | FAIL_IF(push_inst(compiler, OR | S(src) | A(TMP_CALL_REG) | B(src))); |
| 2073 | src_r = TMP_CALL_REG; |
| 2074 | } |
| 2075 | else |
| 2076 | src_r = src; |
| 2077 | #else |
| 2078 | src_r = src; |
| 2079 | #endif |
| 2080 | } else if (src & SLJIT_IMM) { |
| 2081 | /* These jumps are converted to jump/call instructions when possible. */ |
| 2082 | jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); |
| 2083 | FAIL_IF(!jump); |
| 2084 | set_jump(jump, compiler, JUMP_ADDR); |
| 2085 | jump->u.target = srcw; |
| 2086 | #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) |
| 2087 | if (type >= SLJIT_CALL) |
| 2088 | jump->flags |= IS_CALL; |
| 2089 | #endif |
| 2090 | FAIL_IF(emit_const(compiler, TMP_CALL_REG, 0)); |
| 2091 | src_r = TMP_CALL_REG; |
| 2092 | } |
| 2093 | else { |
| 2094 | FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_CALL_REG, 0, TMP_REG1, 0, src, srcw)); |
| 2095 | src_r = TMP_CALL_REG; |
| 2096 | } |
| 2097 | |
| 2098 | FAIL_IF(push_inst(compiler, MTCTR | S(src_r))); |
| 2099 | if (jump) |
| 2100 | jump->addr = compiler->size; |
| 2101 | return push_inst(compiler, BCCTR | (20 << 21) | (type >= SLJIT_FAST_CALL ? 1 : 0)); |
| 2102 | } |
| 2103 | |
| 2104 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type, |
| 2105 | sljit_s32 arg_types, |
| 2106 | sljit_s32 src, sljit_sw srcw) |
| 2107 | { |
| 2108 | CHECK_ERROR(); |
| 2109 | CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw)); |
| 2110 | |
| 2111 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 2112 | if (src & SLJIT_MEM) { |
| 2113 | ADJUST_LOCAL_OFFSET(src, srcw); |
| 2114 | FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_CALL_REG, 0, TMP_REG1, 0, src, srcw)); |
| 2115 | src = TMP_CALL_REG; |
| 2116 | } |
| 2117 | |
| 2118 | FAIL_IF(call_with_args(compiler, arg_types, &src)); |
| 2119 | #endif |
| 2120 | |
| 2121 | #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ |
| 2122 | || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) |
| 2123 | compiler->skip_checks = 1; |
| 2124 | #endif |
| 2125 | |
| 2126 | return sljit_emit_ijump(compiler, type, src, srcw); |
| 2127 | } |
| 2128 | |
| 2129 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op, |
| 2130 | sljit_s32 dst, sljit_sw dstw, |
| 2131 | sljit_s32 type) |
| 2132 | { |
| 2133 | sljit_s32 reg, input_flags, cr_bit, invert; |
| 2134 | sljit_s32 saved_op = op; |
| 2135 | sljit_sw saved_dstw = dstw; |
| 2136 | |
| 2137 | CHECK_ERROR(); |
| 2138 | CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type)); |
| 2139 | ADJUST_LOCAL_OFFSET(dst, dstw); |
| 2140 | |
| 2141 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 2142 | input_flags = (op & SLJIT_I32_OP) ? INT_DATA : WORD_DATA; |
| 2143 | #else |
| 2144 | input_flags = WORD_DATA; |
| 2145 | #endif |
| 2146 | |
| 2147 | op = GET_OPCODE(op); |
| 2148 | reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2; |
| 2149 | |
| 2150 | if (op >= SLJIT_ADD && (dst & SLJIT_MEM)) |
| 2151 | FAIL_IF(emit_op_mem(compiler, input_flags | LOAD_DATA, TMP_REG1, dst, dstw, TMP_REG1)); |
| 2152 | |
| 2153 | invert = 0; |
| 2154 | cr_bit = 0; |
| 2155 | |
| 2156 | switch (type & 0xff) { |
| 2157 | case SLJIT_LESS: |
| 2158 | case SLJIT_SIG_LESS: |
| 2159 | break; |
| 2160 | |
| 2161 | case SLJIT_GREATER_EQUAL: |
| 2162 | case SLJIT_SIG_GREATER_EQUAL: |
| 2163 | invert = 1; |
| 2164 | break; |
| 2165 | |
| 2166 | case SLJIT_GREATER: |
| 2167 | case SLJIT_SIG_GREATER: |
| 2168 | cr_bit = 1; |
| 2169 | break; |
| 2170 | |
| 2171 | case SLJIT_LESS_EQUAL: |
| 2172 | case SLJIT_SIG_LESS_EQUAL: |
| 2173 | cr_bit = 1; |
| 2174 | invert = 1; |
| 2175 | break; |
| 2176 | |
| 2177 | case SLJIT_EQUAL: |
| 2178 | cr_bit = 2; |
| 2179 | break; |
| 2180 | |
| 2181 | case SLJIT_NOT_EQUAL: |
| 2182 | cr_bit = 2; |
| 2183 | invert = 1; |
| 2184 | break; |
| 2185 | |
| 2186 | case SLJIT_OVERFLOW: |
| 2187 | cr_bit = 3; |
| 2188 | break; |
| 2189 | |
| 2190 | case SLJIT_NOT_OVERFLOW: |
| 2191 | cr_bit = 3; |
| 2192 | invert = 1; |
| 2193 | break; |
| 2194 | |
| 2195 | case SLJIT_LESS_F64: |
| 2196 | cr_bit = 4 + 0; |
| 2197 | break; |
| 2198 | |
| 2199 | case SLJIT_GREATER_EQUAL_F64: |
| 2200 | cr_bit = 4 + 0; |
| 2201 | invert = 1; |
| 2202 | break; |
| 2203 | |
| 2204 | case SLJIT_GREATER_F64: |
| 2205 | cr_bit = 4 + 1; |
| 2206 | break; |
| 2207 | |
| 2208 | case SLJIT_LESS_EQUAL_F64: |
| 2209 | cr_bit = 4 + 1; |
| 2210 | invert = 1; |
| 2211 | break; |
| 2212 | |
| 2213 | case SLJIT_EQUAL_F64: |
| 2214 | cr_bit = 4 + 2; |
| 2215 | break; |
| 2216 | |
| 2217 | case SLJIT_NOT_EQUAL_F64: |
| 2218 | cr_bit = 4 + 2; |
| 2219 | invert = 1; |
| 2220 | break; |
| 2221 | |
| 2222 | case SLJIT_UNORDERED_F64: |
| 2223 | cr_bit = 4 + 3; |
| 2224 | break; |
| 2225 | |
| 2226 | case SLJIT_ORDERED_F64: |
| 2227 | cr_bit = 4 + 3; |
| 2228 | invert = 1; |
| 2229 | break; |
| 2230 | |
| 2231 | default: |
| 2232 | SLJIT_UNREACHABLE(); |
| 2233 | break; |
| 2234 | } |
| 2235 | |
| 2236 | FAIL_IF(push_inst(compiler, MFCR | D(reg))); |
| 2237 | FAIL_IF(push_inst(compiler, RLWINM | S(reg) | A(reg) | ((1 + (cr_bit)) << 11) | (31 << 6) | (31 << 1))); |
| 2238 | |
| 2239 | if (invert) |
| 2240 | FAIL_IF(push_inst(compiler, XORI | S(reg) | A(reg) | 0x1)); |
| 2241 | |
| 2242 | if (op < SLJIT_ADD) { |
| 2243 | if (!(dst & SLJIT_MEM)) |
| 2244 | return SLJIT_SUCCESS; |
| 2245 | return emit_op_mem(compiler, input_flags, reg, dst, dstw, TMP_REG1); |
| 2246 | } |
| 2247 | |
| 2248 | #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ |
| 2249 | || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) |
| 2250 | compiler->skip_checks = 1; |
| 2251 | #endif |
| 2252 | if (dst & SLJIT_MEM) |
| 2253 | return sljit_emit_op2(compiler, saved_op, dst, saved_dstw, TMP_REG1, 0, TMP_REG2, 0); |
| 2254 | return sljit_emit_op2(compiler, saved_op, dst, 0, dst, 0, TMP_REG2, 0); |
| 2255 | } |
| 2256 | |
| 2257 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type, |
| 2258 | sljit_s32 dst_reg, |
| 2259 | sljit_s32 src, sljit_sw srcw) |
| 2260 | { |
| 2261 | CHECK_ERROR(); |
| 2262 | CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw)); |
| 2263 | |
| 2264 | return sljit_emit_cmov_generic(compiler, type, dst_reg, src, srcw);; |
| 2265 | } |
| 2266 | |
| 2267 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compiler, sljit_s32 type, |
| 2268 | sljit_s32 reg, |
| 2269 | sljit_s32 mem, sljit_sw memw) |
| 2270 | { |
| 2271 | sljit_s32 mem_flags; |
| 2272 | sljit_ins inst; |
| 2273 | |
| 2274 | CHECK_ERROR(); |
| 2275 | CHECK(check_sljit_emit_mem(compiler, type, reg, mem, memw)); |
| 2276 | |
| 2277 | if (type & SLJIT_MEM_POST) |
| 2278 | return SLJIT_ERR_UNSUPPORTED; |
| 2279 | |
| 2280 | switch (type & 0xff) { |
| 2281 | case SLJIT_MOV: |
| 2282 | case SLJIT_MOV_P: |
| 2283 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 2284 | case SLJIT_MOV_U32: |
| 2285 | case SLJIT_MOV_S32: |
| 2286 | #endif |
| 2287 | mem_flags = WORD_DATA; |
| 2288 | break; |
| 2289 | |
| 2290 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 2291 | case SLJIT_MOV_U32: |
| 2292 | mem_flags = INT_DATA; |
| 2293 | break; |
| 2294 | |
| 2295 | case SLJIT_MOV_S32: |
| 2296 | mem_flags = INT_DATA; |
| 2297 | |
| 2298 | if (!(type & SLJIT_MEM_STORE) && !(type & SLJIT_I32_OP)) { |
| 2299 | if (mem & OFFS_REG_MASK) |
| 2300 | mem_flags |= SIGNED_DATA; |
| 2301 | else |
| 2302 | return SLJIT_ERR_UNSUPPORTED; |
| 2303 | } |
| 2304 | break; |
| 2305 | #endif |
| 2306 | |
| 2307 | case SLJIT_MOV_U8: |
| 2308 | case SLJIT_MOV_S8: |
| 2309 | mem_flags = BYTE_DATA; |
| 2310 | break; |
| 2311 | |
| 2312 | case SLJIT_MOV_U16: |
| 2313 | mem_flags = HALF_DATA; |
| 2314 | break; |
| 2315 | |
| 2316 | case SLJIT_MOV_S16: |
| 2317 | mem_flags = HALF_DATA | SIGNED_DATA; |
| 2318 | break; |
| 2319 | |
| 2320 | default: |
| 2321 | SLJIT_UNREACHABLE(); |
| 2322 | mem_flags = WORD_DATA; |
| 2323 | break; |
| 2324 | } |
| 2325 | |
| 2326 | if (!(type & SLJIT_MEM_STORE)) |
| 2327 | mem_flags |= LOAD_DATA; |
| 2328 | |
| 2329 | if (SLJIT_UNLIKELY(mem & OFFS_REG_MASK)) { |
| 2330 | if (memw != 0) |
| 2331 | return SLJIT_ERR_UNSUPPORTED; |
| 2332 | |
| 2333 | if (type & SLJIT_MEM_SUPP) |
| 2334 | return SLJIT_SUCCESS; |
| 2335 | |
| 2336 | inst = updated_data_transfer_insts[mem_flags | INDEXED]; |
| 2337 | FAIL_IF(push_inst(compiler, INST_CODE_AND_DST(inst, 0, reg) | A(mem & REG_MASK) | B(OFFS_REG(mem)))); |
| 2338 | } |
| 2339 | else { |
| 2340 | if (memw > SIMM_MAX || memw < SIMM_MIN) |
| 2341 | return SLJIT_ERR_UNSUPPORTED; |
| 2342 | |
| 2343 | inst = updated_data_transfer_insts[mem_flags]; |
| 2344 | |
| 2345 | #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 2346 | if ((inst & INT_ALIGNED) && (memw & 0x3) != 0) |
| 2347 | return SLJIT_ERR_UNSUPPORTED; |
| 2348 | #endif |
| 2349 | |
| 2350 | if (type & SLJIT_MEM_SUPP) |
| 2351 | return SLJIT_SUCCESS; |
| 2352 | |
| 2353 | FAIL_IF(push_inst(compiler, INST_CODE_AND_DST(inst, 0, reg) | A(mem & REG_MASK) | IMM(memw))); |
| 2354 | } |
| 2355 | |
| 2356 | if ((mem_flags & LOAD_DATA) && (type & 0xff) == SLJIT_MOV_S8) |
| 2357 | return push_inst(compiler, EXTSB | S(reg) | A(reg)); |
| 2358 | return SLJIT_SUCCESS; |
| 2359 | } |
| 2360 | |
| 2361 | SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fmem(struct sljit_compiler *compiler, sljit_s32 type, |
| 2362 | sljit_s32 freg, |
| 2363 | sljit_s32 mem, sljit_sw memw) |
| 2364 | { |
| 2365 | sljit_s32 mem_flags; |
| 2366 | sljit_ins inst; |
| 2367 | |
| 2368 | CHECK_ERROR(); |
| 2369 | CHECK(check_sljit_emit_fmem(compiler, type, freg, mem, memw)); |
| 2370 | |
| 2371 | if (type & SLJIT_MEM_POST) |
| 2372 | return SLJIT_ERR_UNSUPPORTED; |
| 2373 | |
| 2374 | if (SLJIT_UNLIKELY(mem & OFFS_REG_MASK)) { |
| 2375 | if (memw != 0) |
| 2376 | return SLJIT_ERR_UNSUPPORTED; |
| 2377 | } |
| 2378 | else { |
| 2379 | if (memw > SIMM_MAX || memw < SIMM_MIN) |
| 2380 | return SLJIT_ERR_UNSUPPORTED; |
| 2381 | } |
| 2382 | |
| 2383 | if (type & SLJIT_MEM_SUPP) |
| 2384 | return SLJIT_SUCCESS; |
| 2385 | |
| 2386 | mem_flags = FLOAT_DATA(type); |
| 2387 | |
| 2388 | if (!(type & SLJIT_MEM_STORE)) |
| 2389 | mem_flags |= LOAD_DATA; |
| 2390 | |
| 2391 | if (SLJIT_UNLIKELY(mem & OFFS_REG_MASK)) { |
| 2392 | inst = updated_data_transfer_insts[mem_flags | INDEXED]; |
| 2393 | return push_inst(compiler, INST_CODE_AND_DST(inst, DOUBLE_DATA, freg) | A(mem & REG_MASK) | B(OFFS_REG(mem))); |
| 2394 | } |
| 2395 | |
| 2396 | inst = updated_data_transfer_insts[mem_flags]; |
| 2397 | return push_inst(compiler, INST_CODE_AND_DST(inst, DOUBLE_DATA, freg) | A(mem & REG_MASK) | IMM(memw)); |
| 2398 | } |
| 2399 | |
| 2400 | SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value) |
| 2401 | { |
| 2402 | struct sljit_const *const_; |
| 2403 | sljit_s32 dst_r; |
| 2404 | |
| 2405 | CHECK_ERROR_PTR(); |
| 2406 | CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value)); |
| 2407 | ADJUST_LOCAL_OFFSET(dst, dstw); |
| 2408 | |
| 2409 | const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const)); |
| 2410 | PTR_FAIL_IF(!const_); |
| 2411 | set_const(const_, compiler); |
| 2412 | |
| 2413 | dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2; |
| 2414 | PTR_FAIL_IF(emit_const(compiler, dst_r, init_value)); |
| 2415 | |
| 2416 | if (dst & SLJIT_MEM) |
| 2417 | PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0)); |
| 2418 | |
| 2419 | return const_; |
| 2420 | } |
| 2421 | |
| 2422 | SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw) |
| 2423 | { |
| 2424 | struct sljit_put_label *put_label; |
| 2425 | sljit_s32 dst_r; |
| 2426 | |
| 2427 | CHECK_ERROR_PTR(); |
| 2428 | CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw)); |
| 2429 | ADJUST_LOCAL_OFFSET(dst, dstw); |
| 2430 | |
| 2431 | put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label)); |
| 2432 | PTR_FAIL_IF(!put_label); |
| 2433 | set_put_label(put_label, compiler, 0); |
| 2434 | |
| 2435 | dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2; |
| 2436 | #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| 2437 | PTR_FAIL_IF(emit_const(compiler, dst_r, 0)); |
| 2438 | #else |
| 2439 | PTR_FAIL_IF(push_inst(compiler, dst_r)); |
| 2440 | compiler->size += 4; |
| 2441 | #endif |
| 2442 | |
| 2443 | if (dst & SLJIT_MEM) |
| 2444 | PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0)); |
| 2445 | |
| 2446 | return put_label; |
| 2447 | } |