1 /* 2 * Stack-less Just-In-Time compiler 3 * 4 * Copyright Zoltan Herczeg (hzmester (at) 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 /* ppc 64-bit arch dependent functions. */ 28 29 #if defined(__GNUC__) || (defined(__IBM_GCC_ASM) && __IBM_GCC_ASM) 30 #define ASM_SLJIT_CLZ(src, dst) \ 31 __asm__ volatile ( "cntlzd %0, %1" : "=r"(dst) : "r"(src) ) 32 #elif defined(__xlc__) 33 #error "Please enable GCC syntax for inline assembly statements" 34 #else 35 #error "Must implement count leading zeroes" 36 #endif 37 38 #define RLDI(dst, src, sh, mb, type) \ 39 (HI(30) | S(src) | A(dst) | ((type) << 2) | (((sh) & 0x1f) << 11) | (((sh) & 0x20) >> 4) | (((mb) & 0x1f) << 6) | ((mb) & 0x20)) 40 41 #define PUSH_RLDICR(reg, shift) \ 42 push_inst(compiler, RLDI(reg, reg, 63 - shift, shift, 1)) 43 44 static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 reg, sljit_sw imm) 45 { 46 sljit_uw tmp; 47 sljit_uw shift; 48 sljit_uw tmp2; 49 sljit_uw shift2; 50 51 if (imm <= SIMM_MAX && imm >= SIMM_MIN) 52 return push_inst(compiler, ADDI | D(reg) | A(0) | IMM(imm)); 53 54 if (!(imm & ~0xffff)) 55 return push_inst(compiler, ORI | S(TMP_ZERO) | A(reg) | IMM(imm)); 56 57 if (imm <= 0x7fffffffl && imm >= -0x80000000l) { 58 FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(imm >> 16))); 59 return (imm & 0xffff) ? push_inst(compiler, ORI | S(reg) | A(reg) | IMM(imm)) : SLJIT_SUCCESS; 60 } 61 62 /* Count leading zeroes. */ 63 tmp = (imm >= 0) ? imm : ~imm; 64 ASM_SLJIT_CLZ(tmp, shift); 65 SLJIT_ASSERT(shift > 0); 66 shift--; 67 tmp = (imm << shift); 68 69 if ((tmp & ~0xffff000000000000ul) == 0) { 70 FAIL_IF(push_inst(compiler, ADDI | D(reg) | A(0) | IMM(tmp >> 48))); 71 shift += 15; 72 return PUSH_RLDICR(reg, shift); 73 } 74 75 if ((tmp & ~0xffffffff00000000ul) == 0) { 76 FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(tmp >> 48))); 77 FAIL_IF(push_inst(compiler, ORI | S(reg) | A(reg) | IMM(tmp >> 32))); 78 shift += 31; 79 return PUSH_RLDICR(reg, shift); 80 } 81 82 /* Cut out the 16 bit from immediate. */ 83 shift += 15; 84 tmp2 = imm & ((1ul << (63 - shift)) - 1); 85 86 if (tmp2 <= 0xffff) { 87 FAIL_IF(push_inst(compiler, ADDI | D(reg) | A(0) | IMM(tmp >> 48))); 88 FAIL_IF(PUSH_RLDICR(reg, shift)); 89 return push_inst(compiler, ORI | S(reg) | A(reg) | tmp2); 90 } 91 92 if (tmp2 <= 0xffffffff) { 93 FAIL_IF(push_inst(compiler, ADDI | D(reg) | A(0) | IMM(tmp >> 48))); 94 FAIL_IF(PUSH_RLDICR(reg, shift)); 95 FAIL_IF(push_inst(compiler, ORIS | S(reg) | A(reg) | (tmp2 >> 16))); 96 return (imm & 0xffff) ? push_inst(compiler, ORI | S(reg) | A(reg) | IMM(tmp2)) : SLJIT_SUCCESS; 97 } 98 99 ASM_SLJIT_CLZ(tmp2, shift2); 100 tmp2 <<= shift2; 101 102 if ((tmp2 & ~0xffff000000000000ul) == 0) { 103 FAIL_IF(push_inst(compiler, ADDI | D(reg) | A(0) | IMM(tmp >> 48))); 104 shift2 += 15; 105 shift += (63 - shift2); 106 FAIL_IF(PUSH_RLDICR(reg, shift)); 107 FAIL_IF(push_inst(compiler, ORI | S(reg) | A(reg) | (tmp2 >> 48))); 108 return PUSH_RLDICR(reg, shift2); 109 } 110 111 /* The general version. */ 112 FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(imm >> 48))); 113 FAIL_IF(push_inst(compiler, ORI | S(reg) | A(reg) | IMM(imm >> 32))); 114 FAIL_IF(PUSH_RLDICR(reg, 31)); 115 FAIL_IF(push_inst(compiler, ORIS | S(reg) | A(reg) | IMM(imm >> 16))); 116 return push_inst(compiler, ORI | S(reg) | A(reg) | IMM(imm)); 117 } 118 119 /* Simplified mnemonics: clrldi. */ 120 #define INS_CLEAR_LEFT(dst, src, from) \ 121 (RLDICL | S(src) | A(dst) | ((from) << 6) | (1 << 5)) 122 123 /* Sign extension for integer operations. */ 124 #define UN_EXTS() \ 125 if ((flags & (ALT_SIGN_EXT | REG2_SOURCE)) == (ALT_SIGN_EXT | REG2_SOURCE)) { \ 126 FAIL_IF(push_inst(compiler, EXTSW | S(src2) | A(TMP_REG2))); \ 127 src2 = TMP_REG2; \ 128 } 129 130 #define BIN_EXTS() \ 131 if (flags & ALT_SIGN_EXT) { \ 132 if (flags & REG1_SOURCE) { \ 133 FAIL_IF(push_inst(compiler, EXTSW | S(src1) | A(TMP_REG1))); \ 134 src1 = TMP_REG1; \ 135 } \ 136 if (flags & REG2_SOURCE) { \ 137 FAIL_IF(push_inst(compiler, EXTSW | S(src2) | A(TMP_REG2))); \ 138 src2 = TMP_REG2; \ 139 } \ 140 } 141 142 #define BIN_IMM_EXTS() \ 143 if ((flags & (ALT_SIGN_EXT | REG1_SOURCE)) == (ALT_SIGN_EXT | REG1_SOURCE)) { \ 144 FAIL_IF(push_inst(compiler, EXTSW | S(src1) | A(TMP_REG1))); \ 145 src1 = TMP_REG1; \ 146 } 147 148 static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags, 149 sljit_s32 dst, sljit_s32 src1, sljit_s32 src2) 150 { 151 switch (op) { 152 case SLJIT_MOV: 153 case SLJIT_MOV_P: 154 SLJIT_ASSERT(src1 == TMP_REG1); 155 if (dst != src2) 156 return push_inst(compiler, OR | S(src2) | A(dst) | B(src2)); 157 return SLJIT_SUCCESS; 158 159 case SLJIT_MOV_U32: 160 case SLJIT_MOV_S32: 161 SLJIT_ASSERT(src1 == TMP_REG1); 162 if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { 163 if (op == SLJIT_MOV_S32) 164 return push_inst(compiler, EXTSW | S(src2) | A(dst)); 165 return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 0)); 166 } 167 else { 168 SLJIT_ASSERT(dst == src2); 169 } 170 return SLJIT_SUCCESS; 171 172 case SLJIT_MOV_U8: 173 case SLJIT_MOV_S8: 174 SLJIT_ASSERT(src1 == TMP_REG1); 175 if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { 176 if (op == SLJIT_MOV_S8) 177 return push_inst(compiler, EXTSB | S(src2) | A(dst)); 178 return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 24)); 179 } 180 else if ((flags & REG_DEST) && op == SLJIT_MOV_S8) 181 return push_inst(compiler, EXTSB | S(src2) | A(dst)); 182 else { 183 SLJIT_ASSERT(dst == src2); 184 } 185 return SLJIT_SUCCESS; 186 187 case SLJIT_MOV_U16: 188 case SLJIT_MOV_S16: 189 SLJIT_ASSERT(src1 == TMP_REG1); 190 if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { 191 if (op == SLJIT_MOV_S16) 192 return push_inst(compiler, EXTSH | S(src2) | A(dst)); 193 return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 16)); 194 } 195 else { 196 SLJIT_ASSERT(dst == src2); 197 } 198 return SLJIT_SUCCESS; 199 200 case SLJIT_NOT: 201 SLJIT_ASSERT(src1 == TMP_REG1); 202 UN_EXTS(); 203 return push_inst(compiler, NOR | RC(flags) | S(src2) | A(dst) | B(src2)); 204 205 case SLJIT_NEG: 206 SLJIT_ASSERT(src1 == TMP_REG1); 207 208 if ((flags & (ALT_FORM1 | ALT_SIGN_EXT)) == (ALT_FORM1 | ALT_SIGN_EXT)) { 209 FAIL_IF(push_inst(compiler, RLDI(TMP_REG2, src2, 32, 31, 1))); 210 FAIL_IF(push_inst(compiler, NEG | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(TMP_REG2))); 211 return push_inst(compiler, RLDI(dst, dst, 32, 32, 0)); 212 } 213 214 UN_EXTS(); 215 /* Setting XER SO is not enough, CR SO is also needed. */ 216 return push_inst(compiler, NEG | OE((flags & ALT_FORM1) ? ALT_SET_FLAGS : 0) | RC(flags) | D(dst) | A(src2)); 217 218 case SLJIT_CLZ: 219 SLJIT_ASSERT(src1 == TMP_REG1); 220 if (flags & ALT_FORM1) 221 return push_inst(compiler, CNTLZW | S(src2) | A(dst)); 222 return push_inst(compiler, CNTLZD | S(src2) | A(dst)); 223 224 case SLJIT_ADD: 225 if (flags & ALT_FORM1) { 226 if (flags & ALT_SIGN_EXT) { 227 FAIL_IF(push_inst(compiler, RLDI(TMP_REG1, src1, 32, 31, 1))); 228 src1 = TMP_REG1; 229 FAIL_IF(push_inst(compiler, RLDI(TMP_REG2, src2, 32, 31, 1))); 230 src2 = TMP_REG2; 231 } 232 /* Setting XER SO is not enough, CR SO is also needed. */ 233 FAIL_IF(push_inst(compiler, ADD | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2))); 234 if (flags & ALT_SIGN_EXT) 235 return push_inst(compiler, RLDI(dst, dst, 32, 32, 0)); 236 return SLJIT_SUCCESS; 237 } 238 239 if (flags & ALT_FORM2) { 240 /* Flags does not set: BIN_IMM_EXTS unnecessary. */ 241 SLJIT_ASSERT(src2 == TMP_REG2); 242 243 if (flags & ALT_FORM3) 244 return push_inst(compiler, ADDIS | D(dst) | A(src1) | compiler->imm); 245 246 if (flags & ALT_FORM4) { 247 FAIL_IF(push_inst(compiler, ADDIS | D(dst) | A(src1) | (((compiler->imm >> 16) & 0xffff) + ((compiler->imm >> 15) & 0x1)))); 248 src1 = dst; 249 } 250 251 return push_inst(compiler, ADDI | D(dst) | A(src1) | (compiler->imm & 0xffff)); 252 } 253 if (flags & ALT_FORM3) { 254 SLJIT_ASSERT(src2 == TMP_REG2); 255 BIN_IMM_EXTS(); 256 return push_inst(compiler, ADDIC | D(dst) | A(src1) | compiler->imm); 257 } 258 if (!(flags & ALT_SET_FLAGS)) 259 return push_inst(compiler, ADD | D(dst) | A(src1) | B(src2)); 260 BIN_EXTS(); 261 if (flags & ALT_FORM4) 262 return push_inst(compiler, ADDC | RC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2)); 263 return push_inst(compiler, ADD | RC(flags) | D(dst) | A(src1) | B(src2)); 264 265 case SLJIT_ADDC: 266 BIN_EXTS(); 267 return push_inst(compiler, ADDE | D(dst) | A(src1) | B(src2)); 268 269 case SLJIT_SUB: 270 if (flags & ALT_FORM1) { 271 if (flags & ALT_FORM2) { 272 FAIL_IF(push_inst(compiler, CMPLI | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | compiler->imm)); 273 if (!(flags & ALT_FORM3)) 274 return SLJIT_SUCCESS; 275 return push_inst(compiler, ADDI | D(dst) | A(src1) | (-compiler->imm & 0xffff)); 276 } 277 FAIL_IF(push_inst(compiler, CMPL | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2))); 278 if (!(flags & ALT_FORM3)) 279 return SLJIT_SUCCESS; 280 return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1)); 281 } 282 283 if (flags & ALT_FORM2) { 284 if (flags & ALT_SIGN_EXT) { 285 FAIL_IF(push_inst(compiler, RLDI(TMP_REG1, src1, 32, 31, 1))); 286 src1 = TMP_REG1; 287 FAIL_IF(push_inst(compiler, RLDI(TMP_REG2, src2, 32, 31, 1))); 288 src2 = TMP_REG2; 289 } 290 /* Setting XER SO is not enough, CR SO is also needed. */ 291 FAIL_IF(push_inst(compiler, SUBF | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1))); 292 if (flags & ALT_SIGN_EXT) 293 return push_inst(compiler, RLDI(dst, dst, 32, 32, 0)); 294 return SLJIT_SUCCESS; 295 } 296 297 if (flags & ALT_FORM3) { 298 /* Flags does not set: BIN_IMM_EXTS unnecessary. */ 299 SLJIT_ASSERT(src2 == TMP_REG2); 300 return push_inst(compiler, SUBFIC | D(dst) | A(src1) | compiler->imm); 301 } 302 303 if (flags & ALT_FORM4) { 304 if (flags & ALT_FORM5) { 305 SLJIT_ASSERT(src2 == TMP_REG2); 306 return push_inst(compiler, CMPI | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | compiler->imm); 307 } 308 return push_inst(compiler, CMP | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2)); 309 } 310 311 if (!(flags & ALT_SET_FLAGS)) 312 return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1)); 313 BIN_EXTS(); 314 if (flags & ALT_FORM5) 315 return push_inst(compiler, SUBFC | RC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1)); 316 return push_inst(compiler, SUBF | RC(flags) | D(dst) | A(src2) | B(src1)); 317 318 case SLJIT_SUBC: 319 BIN_EXTS(); 320 return push_inst(compiler, SUBFE | D(dst) | A(src2) | B(src1)); 321 322 case SLJIT_MUL: 323 if (flags & ALT_FORM1) { 324 SLJIT_ASSERT(src2 == TMP_REG2); 325 return push_inst(compiler, MULLI | D(dst) | A(src1) | compiler->imm); 326 } 327 BIN_EXTS(); 328 if (flags & ALT_FORM2) 329 return push_inst(compiler, MULLW | OE(flags) | RC(flags) | D(dst) | A(src2) | B(src1)); 330 return push_inst(compiler, MULLD | OE(flags) | RC(flags) | D(dst) | A(src2) | B(src1)); 331 332 case SLJIT_AND: 333 if (flags & ALT_FORM1) { 334 SLJIT_ASSERT(src2 == TMP_REG2); 335 return push_inst(compiler, ANDI | S(src1) | A(dst) | compiler->imm); 336 } 337 if (flags & ALT_FORM2) { 338 SLJIT_ASSERT(src2 == TMP_REG2); 339 return push_inst(compiler, ANDIS | S(src1) | A(dst) | compiler->imm); 340 } 341 return push_inst(compiler, AND | RC(flags) | S(src1) | A(dst) | B(src2)); 342 343 case SLJIT_OR: 344 if (flags & ALT_FORM1) { 345 SLJIT_ASSERT(src2 == TMP_REG2); 346 return push_inst(compiler, ORI | S(src1) | A(dst) | compiler->imm); 347 } 348 if (flags & ALT_FORM2) { 349 SLJIT_ASSERT(src2 == TMP_REG2); 350 return push_inst(compiler, ORIS | S(src1) | A(dst) | compiler->imm); 351 } 352 if (flags & ALT_FORM3) { 353 SLJIT_ASSERT(src2 == TMP_REG2); 354 FAIL_IF(push_inst(compiler, ORI | S(src1) | A(dst) | IMM(compiler->imm))); 355 return push_inst(compiler, ORIS | S(dst) | A(dst) | IMM(compiler->imm >> 16)); 356 } 357 return push_inst(compiler, OR | RC(flags) | S(src1) | A(dst) | B(src2)); 358 359 case SLJIT_XOR: 360 if (flags & ALT_FORM1) { 361 SLJIT_ASSERT(src2 == TMP_REG2); 362 return push_inst(compiler, XORI | S(src1) | A(dst) | compiler->imm); 363 } 364 if (flags & ALT_FORM2) { 365 SLJIT_ASSERT(src2 == TMP_REG2); 366 return push_inst(compiler, XORIS | S(src1) | A(dst) | compiler->imm); 367 } 368 if (flags & ALT_FORM3) { 369 SLJIT_ASSERT(src2 == TMP_REG2); 370 FAIL_IF(push_inst(compiler, XORI | S(src1) | A(dst) | IMM(compiler->imm))); 371 return push_inst(compiler, XORIS | S(dst) | A(dst) | IMM(compiler->imm >> 16)); 372 } 373 return push_inst(compiler, XOR | RC(flags) | S(src1) | A(dst) | B(src2)); 374 375 case SLJIT_SHL: 376 if (flags & ALT_FORM1) { 377 SLJIT_ASSERT(src2 == TMP_REG2); 378 if (flags & ALT_FORM2) { 379 compiler->imm &= 0x1f; 380 return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11) | ((31 - compiler->imm) << 1)); 381 } 382 compiler->imm &= 0x3f; 383 return push_inst(compiler, RLDI(dst, src1, compiler->imm, 63 - compiler->imm, 1) | RC(flags)); 384 } 385 return push_inst(compiler, ((flags & ALT_FORM2) ? SLW : SLD) | RC(flags) | S(src1) | A(dst) | B(src2)); 386 387 case SLJIT_LSHR: 388 if (flags & ALT_FORM1) { 389 SLJIT_ASSERT(src2 == TMP_REG2); 390 if (flags & ALT_FORM2) { 391 compiler->imm &= 0x1f; 392 return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (((32 - compiler->imm) & 0x1f) << 11) | (compiler->imm << 6) | (31 << 1)); 393 } 394 compiler->imm &= 0x3f; 395 return push_inst(compiler, RLDI(dst, src1, 64 - compiler->imm, compiler->imm, 0) | RC(flags)); 396 } 397 return push_inst(compiler, ((flags & ALT_FORM2) ? SRW : SRD) | RC(flags) | S(src1) | A(dst) | B(src2)); 398 399 case SLJIT_ASHR: 400 if (flags & ALT_FORM1) { 401 SLJIT_ASSERT(src2 == TMP_REG2); 402 if (flags & ALT_FORM2) { 403 compiler->imm &= 0x1f; 404 return push_inst(compiler, SRAWI | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11)); 405 } 406 compiler->imm &= 0x3f; 407 return push_inst(compiler, SRADI | RC(flags) | S(src1) | A(dst) | ((compiler->imm & 0x1f) << 11) | ((compiler->imm & 0x20) >> 4)); 408 } 409 return push_inst(compiler, ((flags & ALT_FORM2) ? SRAW : SRAD) | RC(flags) | S(src1) | A(dst) | B(src2)); 410 } 411 412 SLJIT_UNREACHABLE(); 413 return SLJIT_SUCCESS; 414 } 415 416 static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types, sljit_s32 *src) 417 { 418 sljit_s32 arg_count = 0; 419 sljit_s32 word_arg_count = 0; 420 sljit_s32 types = 0; 421 sljit_s32 reg = 0; 422 423 if (src) 424 reg = *src & REG_MASK; 425 426 arg_types >>= SLJIT_DEF_SHIFT; 427 428 while (arg_types) { 429 types = (types << SLJIT_DEF_SHIFT) | (arg_types & SLJIT_DEF_MASK); 430 431 switch (arg_types & SLJIT_DEF_MASK) { 432 case SLJIT_ARG_TYPE_F32: 433 case SLJIT_ARG_TYPE_F64: 434 arg_count++; 435 break; 436 default: 437 arg_count++; 438 word_arg_count++; 439 440 if (arg_count != word_arg_count && arg_count == reg) { 441 FAIL_IF(push_inst(compiler, OR | S(reg) | A(TMP_CALL_REG) | B(reg))); 442 *src = TMP_CALL_REG; 443 } 444 break; 445 } 446 447 arg_types >>= SLJIT_DEF_SHIFT; 448 } 449 450 while (types) { 451 switch (types & SLJIT_DEF_MASK) { 452 case SLJIT_ARG_TYPE_F32: 453 case SLJIT_ARG_TYPE_F64: 454 arg_count--; 455 break; 456 default: 457 if (arg_count != word_arg_count) 458 FAIL_IF(push_inst(compiler, OR | S(word_arg_count) | A(arg_count) | B(word_arg_count))); 459 460 arg_count--; 461 word_arg_count--; 462 break; 463 } 464 465 types >>= SLJIT_DEF_SHIFT; 466 } 467 468 return SLJIT_SUCCESS; 469 } 470 471 static SLJIT_INLINE sljit_s32 emit_const(struct sljit_compiler *compiler, sljit_s32 reg, sljit_sw init_value) 472 { 473 FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(init_value >> 48))); 474 FAIL_IF(push_inst(compiler, ORI | S(reg) | A(reg) | IMM(init_value >> 32))); 475 FAIL_IF(PUSH_RLDICR(reg, 31)); 476 FAIL_IF(push_inst(compiler, ORIS | S(reg) | A(reg) | IMM(init_value >> 16))); 477 return push_inst(compiler, ORI | S(reg) | A(reg) | IMM(init_value)); 478 } 479 480 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset) 481 { 482 sljit_ins *inst = (sljit_ins*)addr; 483 484 inst[0] = (inst[0] & 0xffff0000) | ((new_target >> 48) & 0xffff); 485 inst[1] = (inst[1] & 0xffff0000) | ((new_target >> 32) & 0xffff); 486 inst[3] = (inst[3] & 0xffff0000) | ((new_target >> 16) & 0xffff); 487 inst[4] = (inst[4] & 0xffff0000) | (new_target & 0xffff); 488 inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); 489 SLJIT_CACHE_FLUSH(inst, inst + 5); 490 } 491 492 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset) 493 { 494 sljit_ins *inst = (sljit_ins*)addr; 495 496 inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 48) & 0xffff); 497 inst[1] = (inst[1] & 0xffff0000) | ((new_constant >> 32) & 0xffff); 498 inst[3] = (inst[3] & 0xffff0000) | ((new_constant >> 16) & 0xffff); 499 inst[4] = (inst[4] & 0xffff0000) | (new_constant & 0xffff); 500 inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); 501 SLJIT_CACHE_FLUSH(inst, inst + 5); 502 } 503
