Tristan Matthews | 0461646 | 2013-11-14 16:09:34 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Stack-less Just-In-Time compiler |
| 3 | * |
| 4 | * Copyright 2009-2010 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 | /* ppc 64-bit arch dependent functions. */ |
| 28 | |
| 29 | #ifdef __GNUC__ |
| 30 | #define ASM_SLJIT_CLZ(src, dst) \ |
| 31 | asm volatile ( "cntlzd %0, %1" : "=r"(dst) : "r"(src) ) |
| 32 | #else |
| 33 | #error "Must implement count leading zeroes" |
| 34 | #endif |
| 35 | |
| 36 | #define RLDI(dst, src, sh, mb, type) \ |
| 37 | (HI(30) | S(src) | A(dst) | ((type) << 2) | (((sh) & 0x1f) << 11) | (((sh) & 0x20) >> 4) | (((mb) & 0x1f) << 6) | ((mb) & 0x20)) |
| 38 | |
| 39 | #define PUSH_RLDICR(reg, shift) \ |
| 40 | push_inst(compiler, RLDI(reg, reg, 63 - shift, shift, 1)) |
| 41 | |
| 42 | static int load_immediate(struct sljit_compiler *compiler, int reg, sljit_w imm) |
| 43 | { |
| 44 | sljit_uw tmp; |
| 45 | sljit_uw shift; |
| 46 | sljit_uw tmp2; |
| 47 | sljit_uw shift2; |
| 48 | |
| 49 | if (imm <= SIMM_MAX && imm >= SIMM_MIN) |
| 50 | return push_inst(compiler, ADDI | D(reg) | A(0) | IMM(imm)); |
| 51 | |
| 52 | if (imm <= SLJIT_W(0x7fffffff) && imm >= SLJIT_W(-0x80000000)) { |
| 53 | FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(imm >> 16))); |
| 54 | return (imm & 0xffff) ? push_inst(compiler, ORI | S(reg) | A(reg) | IMM(imm)) : SLJIT_SUCCESS; |
| 55 | } |
| 56 | |
| 57 | /* Count leading zeroes. */ |
| 58 | tmp = (imm >= 0) ? imm : ~imm; |
| 59 | ASM_SLJIT_CLZ(tmp, shift); |
| 60 | SLJIT_ASSERT(shift > 0); |
| 61 | shift--; |
| 62 | tmp = (imm << shift); |
| 63 | |
| 64 | if ((tmp & ~0xffff000000000000ul) == 0) { |
| 65 | FAIL_IF(push_inst(compiler, ADDI | D(reg) | A(0) | IMM(tmp >> 48))); |
| 66 | shift += 15; |
| 67 | return PUSH_RLDICR(reg, shift); |
| 68 | } |
| 69 | |
| 70 | if ((tmp & ~0xffffffff00000000ul) == 0) { |
| 71 | FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(tmp >> 48))); |
| 72 | FAIL_IF(push_inst(compiler, ORI | S(reg) | A(reg) | IMM(tmp >> 32))); |
| 73 | shift += 31; |
| 74 | return PUSH_RLDICR(reg, shift); |
| 75 | } |
| 76 | |
| 77 | /* Cut out the 16 bit from immediate. */ |
| 78 | shift += 15; |
| 79 | tmp2 = imm & ((1ul << (63 - shift)) - 1); |
| 80 | |
| 81 | if (tmp2 <= 0xffff) { |
| 82 | FAIL_IF(push_inst(compiler, ADDI | D(reg) | A(0) | IMM(tmp >> 48))); |
| 83 | FAIL_IF(PUSH_RLDICR(reg, shift)); |
| 84 | return push_inst(compiler, ORI | S(reg) | A(reg) | tmp2); |
| 85 | } |
| 86 | |
| 87 | if (tmp2 <= 0xffffffff) { |
| 88 | FAIL_IF(push_inst(compiler, ADDI | D(reg) | A(0) | IMM(tmp >> 48))); |
| 89 | FAIL_IF(PUSH_RLDICR(reg, shift)); |
| 90 | FAIL_IF(push_inst(compiler, ORIS | S(reg) | A(reg) | (tmp2 >> 16))); |
| 91 | return (imm & 0xffff) ? push_inst(compiler, ORI | S(reg) | A(reg) | IMM(tmp2)) : SLJIT_SUCCESS; |
| 92 | } |
| 93 | |
| 94 | ASM_SLJIT_CLZ(tmp2, shift2); |
| 95 | tmp2 <<= shift2; |
| 96 | |
| 97 | if ((tmp2 & ~0xffff000000000000ul) == 0) { |
| 98 | FAIL_IF(push_inst(compiler, ADDI | D(reg) | A(0) | IMM(tmp >> 48))); |
| 99 | shift2 += 15; |
| 100 | shift += (63 - shift2); |
| 101 | FAIL_IF(PUSH_RLDICR(reg, shift)); |
| 102 | FAIL_IF(push_inst(compiler, ORI | S(reg) | A(reg) | (tmp2 >> 48))); |
| 103 | return PUSH_RLDICR(reg, shift2); |
| 104 | } |
| 105 | |
| 106 | /* The general version. */ |
| 107 | FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(imm >> 48))); |
| 108 | FAIL_IF(push_inst(compiler, ORI | S(reg) | A(reg) | IMM(imm >> 32))); |
| 109 | FAIL_IF(PUSH_RLDICR(reg, 31)); |
| 110 | FAIL_IF(push_inst(compiler, ORIS | S(reg) | A(reg) | IMM(imm >> 16))); |
| 111 | return push_inst(compiler, ORI | S(reg) | A(reg) | IMM(imm)); |
| 112 | } |
| 113 | |
| 114 | /* Simplified mnemonics: clrldi. */ |
| 115 | #define INS_CLEAR_LEFT(dst, src, from) \ |
| 116 | (RLDICL | S(src) | A(dst) | ((from) << 6) | (1 << 5)) |
| 117 | |
| 118 | /* Sign extension for integer operations. */ |
| 119 | #define UN_EXTS() \ |
| 120 | if ((flags & (ALT_SIGN_EXT | REG2_SOURCE)) == (ALT_SIGN_EXT | REG2_SOURCE)) { \ |
| 121 | FAIL_IF(push_inst(compiler, EXTSW | S(src2) | A(TMP_REG2))); \ |
| 122 | src2 = TMP_REG2; \ |
| 123 | } |
| 124 | |
| 125 | #define BIN_EXTS() \ |
| 126 | if (flags & ALT_SIGN_EXT) { \ |
| 127 | if (flags & REG1_SOURCE) { \ |
| 128 | FAIL_IF(push_inst(compiler, EXTSW | S(src1) | A(TMP_REG1))); \ |
| 129 | src1 = TMP_REG1; \ |
| 130 | } \ |
| 131 | if (flags & REG2_SOURCE) { \ |
| 132 | FAIL_IF(push_inst(compiler, EXTSW | S(src2) | A(TMP_REG2))); \ |
| 133 | src2 = TMP_REG2; \ |
| 134 | } \ |
| 135 | } |
| 136 | |
| 137 | #define BIN_IMM_EXTS() \ |
| 138 | if ((flags & (ALT_SIGN_EXT | REG1_SOURCE)) == (ALT_SIGN_EXT | REG1_SOURCE)) { \ |
| 139 | FAIL_IF(push_inst(compiler, EXTSW | S(src1) | A(TMP_REG1))); \ |
| 140 | src1 = TMP_REG1; \ |
| 141 | } |
| 142 | |
| 143 | static SLJIT_INLINE int emit_single_op(struct sljit_compiler *compiler, int op, int flags, |
| 144 | int dst, int src1, int src2) |
| 145 | { |
| 146 | switch (op) { |
| 147 | case SLJIT_ADD: |
| 148 | if (flags & ALT_FORM1) { |
| 149 | /* Flags not set: BIN_IMM_EXTS unnecessary. */ |
| 150 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 151 | return push_inst(compiler, ADDI | D(dst) | A(src1) | compiler->imm); |
| 152 | } |
| 153 | if (flags & ALT_FORM2) { |
| 154 | /* Flags not set: BIN_IMM_EXTS unnecessary. */ |
| 155 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 156 | return push_inst(compiler, ADDIS | D(dst) | A(src1) | compiler->imm); |
| 157 | } |
| 158 | if (flags & ALT_FORM3) { |
| 159 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 160 | BIN_IMM_EXTS(); |
| 161 | return push_inst(compiler, ADDIC | D(dst) | A(src1) | compiler->imm); |
| 162 | } |
| 163 | if (!(flags & ALT_SET_FLAGS)) |
| 164 | return push_inst(compiler, ADD | D(dst) | A(src1) | B(src2)); |
| 165 | BIN_EXTS(); |
| 166 | return push_inst(compiler, ADDC | OERC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2)); |
| 167 | |
| 168 | case SLJIT_ADDC: |
| 169 | if (flags & ALT_FORM1) { |
| 170 | FAIL_IF(push_inst(compiler, MFXER | S(0))); |
| 171 | FAIL_IF(push_inst(compiler, ADDE | D(dst) | A(src1) | B(src2))); |
| 172 | return push_inst(compiler, MTXER | S(0)); |
| 173 | } |
| 174 | BIN_EXTS(); |
| 175 | return push_inst(compiler, ADDE | D(dst) | A(src1) | B(src2)); |
| 176 | |
| 177 | case SLJIT_SUB: |
| 178 | if (flags & ALT_FORM1) { |
| 179 | /* Flags not set: BIN_IMM_EXTS unnecessary. */ |
| 180 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 181 | return push_inst(compiler, SUBFIC | D(dst) | A(src1) | compiler->imm); |
| 182 | } |
| 183 | if (flags & ALT_FORM2) { |
| 184 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 185 | return push_inst(compiler, CMPI | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | compiler->imm); |
| 186 | } |
| 187 | if (flags & ALT_FORM3) { |
| 188 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 189 | return push_inst(compiler, CMPLI | CRD(4 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | compiler->imm); |
| 190 | } |
| 191 | if (flags & ALT_FORM4) |
| 192 | return push_inst(compiler, CMPL | CRD(4 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2)); |
| 193 | if (!(flags & ALT_SET_FLAGS)) |
| 194 | return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1)); |
| 195 | BIN_EXTS(); |
| 196 | if (flags & ALT_FORM5) |
| 197 | FAIL_IF(push_inst(compiler, CMPL | CRD(4 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2))); |
| 198 | return push_inst(compiler, SUBFC | OERC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1)); |
| 199 | |
| 200 | case SLJIT_SUBC: |
| 201 | if (flags & ALT_FORM1) { |
| 202 | FAIL_IF(push_inst(compiler, MFXER | S(0))); |
| 203 | FAIL_IF(push_inst(compiler, SUBFE | D(dst) | A(src2) | B(src1))); |
| 204 | return push_inst(compiler, MTXER | S(0)); |
| 205 | } |
| 206 | BIN_EXTS(); |
| 207 | return push_inst(compiler, SUBFE | D(dst) | A(src2) | B(src1)); |
| 208 | |
| 209 | case SLJIT_MUL: |
| 210 | if (flags & ALT_FORM1) { |
| 211 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 212 | return push_inst(compiler, MULLI | D(dst) | A(src1) | compiler->imm); |
| 213 | } |
| 214 | BIN_EXTS(); |
| 215 | if (flags & ALT_FORM2) |
| 216 | return push_inst(compiler, MULLW | OERC(flags) | D(dst) | A(src2) | B(src1)); |
| 217 | return push_inst(compiler, MULLD | OERC(flags) | D(dst) | A(src2) | B(src1)); |
| 218 | |
| 219 | case SLJIT_AND: |
| 220 | if (flags & ALT_FORM1) { |
| 221 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 222 | return push_inst(compiler, ANDI | S(src1) | A(dst) | compiler->imm); |
| 223 | } |
| 224 | if (flags & ALT_FORM2) { |
| 225 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 226 | return push_inst(compiler, ANDIS | S(src1) | A(dst) | compiler->imm); |
| 227 | } |
| 228 | return push_inst(compiler, AND | RC(flags) | S(src1) | A(dst) | B(src2)); |
| 229 | |
| 230 | case SLJIT_OR: |
| 231 | if (flags & ALT_FORM1) { |
| 232 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 233 | return push_inst(compiler, ORI | S(src1) | A(dst) | compiler->imm); |
| 234 | } |
| 235 | if (flags & ALT_FORM2) { |
| 236 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 237 | return push_inst(compiler, ORIS | S(src1) | A(dst) | compiler->imm); |
| 238 | } |
| 239 | if (flags & ALT_FORM3) { |
| 240 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 241 | FAIL_IF(push_inst(compiler, ORI | S(src1) | A(dst) | IMM(compiler->imm))); |
| 242 | return push_inst(compiler, ORIS | S(dst) | A(dst) | IMM(compiler->imm >> 16)); |
| 243 | } |
| 244 | return push_inst(compiler, OR | RC(flags) | S(src1) | A(dst) | B(src2)); |
| 245 | |
| 246 | case SLJIT_XOR: |
| 247 | if (flags & ALT_FORM1) { |
| 248 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 249 | return push_inst(compiler, XORI | S(src1) | A(dst) | compiler->imm); |
| 250 | } |
| 251 | if (flags & ALT_FORM2) { |
| 252 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 253 | return push_inst(compiler, XORIS | S(src1) | A(dst) | compiler->imm); |
| 254 | } |
| 255 | if (flags & ALT_FORM3) { |
| 256 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 257 | FAIL_IF(push_inst(compiler, XORI | S(src1) | A(dst) | IMM(compiler->imm))); |
| 258 | return push_inst(compiler, XORIS | S(dst) | A(dst) | IMM(compiler->imm >> 16)); |
| 259 | } |
| 260 | return push_inst(compiler, XOR | RC(flags) | S(src1) | A(dst) | B(src2)); |
| 261 | |
| 262 | case SLJIT_SHL: |
| 263 | if (flags & ALT_FORM1) { |
| 264 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 265 | if (flags & ALT_FORM2) { |
| 266 | compiler->imm &= 0x1f; |
| 267 | return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11) | ((31 - compiler->imm) << 1)); |
| 268 | } |
| 269 | else { |
| 270 | compiler->imm &= 0x3f; |
| 271 | return push_inst(compiler, RLDI(dst, src1, compiler->imm, 63 - compiler->imm, 1) | RC(flags)); |
| 272 | } |
| 273 | } |
| 274 | if (flags & ALT_FORM2) |
| 275 | return push_inst(compiler, SLW | RC(flags) | S(src1) | A(dst) | B(src2)); |
| 276 | return push_inst(compiler, SLD | RC(flags) | S(src1) | A(dst) | B(src2)); |
| 277 | |
| 278 | case SLJIT_LSHR: |
| 279 | if (flags & ALT_FORM1) { |
| 280 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 281 | if (flags & ALT_FORM2) { |
| 282 | compiler->imm &= 0x1f; |
| 283 | return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (((32 - compiler->imm) & 0x1f) << 11) | (compiler->imm << 6) | (31 << 1)); |
| 284 | } |
| 285 | else { |
| 286 | compiler->imm &= 0x3f; |
| 287 | return push_inst(compiler, RLDI(dst, src1, 64 - compiler->imm, compiler->imm, 0) | RC(flags)); |
| 288 | } |
| 289 | } |
| 290 | if (flags & ALT_FORM2) |
| 291 | return push_inst(compiler, SRW | RC(flags) | S(src1) | A(dst) | B(src2)); |
| 292 | return push_inst(compiler, SRD | RC(flags) | S(src1) | A(dst) | B(src2)); |
| 293 | |
| 294 | case SLJIT_ASHR: |
| 295 | if (flags & ALT_FORM1) { |
| 296 | SLJIT_ASSERT(src2 == TMP_REG2); |
| 297 | if (flags & ALT_FORM2) { |
| 298 | compiler->imm &= 0x1f; |
| 299 | return push_inst(compiler, SRAWI | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11)); |
| 300 | } |
| 301 | else { |
| 302 | compiler->imm &= 0x3f; |
| 303 | return push_inst(compiler, SRADI | RC(flags) | S(src1) | A(dst) | ((compiler->imm & 0x1f) << 11) | ((compiler->imm & 0x20) >> 4)); |
| 304 | } |
| 305 | } |
| 306 | if (flags & ALT_FORM2) |
| 307 | return push_inst(compiler, SRAW | RC(flags) | S(src1) | A(dst) | B(src2)); |
| 308 | return push_inst(compiler, SRAD | RC(flags) | S(src1) | A(dst) | B(src2)); |
| 309 | |
| 310 | case SLJIT_MOV: |
| 311 | SLJIT_ASSERT(src1 == TMP_REG1); |
| 312 | if (dst != src2) |
| 313 | return push_inst(compiler, OR | S(src2) | A(dst) | B(src2)); |
| 314 | return SLJIT_SUCCESS; |
| 315 | |
| 316 | case SLJIT_MOV_UI: |
| 317 | case SLJIT_MOV_SI: |
| 318 | SLJIT_ASSERT(src1 == TMP_REG1); |
| 319 | if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { |
| 320 | if (op == SLJIT_MOV_SI) |
| 321 | return push_inst(compiler, EXTSW | S(src2) | A(dst)); |
| 322 | return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 0)); |
| 323 | } |
| 324 | else if (dst != src2) |
| 325 | SLJIT_ASSERT_STOP(); |
| 326 | return SLJIT_SUCCESS; |
| 327 | |
| 328 | case SLJIT_MOV_UB: |
| 329 | case SLJIT_MOV_SB: |
| 330 | SLJIT_ASSERT(src1 == TMP_REG1); |
| 331 | if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { |
| 332 | if (op == SLJIT_MOV_SB) |
| 333 | return push_inst(compiler, EXTSB | S(src2) | A(dst)); |
| 334 | return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 24)); |
| 335 | } |
| 336 | else if ((flags & REG_DEST) && op == SLJIT_MOV_SB) |
| 337 | return push_inst(compiler, EXTSB | S(src2) | A(dst)); |
| 338 | else if (dst != src2) |
| 339 | SLJIT_ASSERT_STOP(); |
| 340 | return SLJIT_SUCCESS; |
| 341 | |
| 342 | case SLJIT_MOV_UH: |
| 343 | case SLJIT_MOV_SH: |
| 344 | SLJIT_ASSERT(src1 == TMP_REG1); |
| 345 | if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { |
| 346 | if (op == SLJIT_MOV_SH) |
| 347 | return push_inst(compiler, EXTSH | S(src2) | A(dst)); |
| 348 | return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 16)); |
| 349 | } |
| 350 | else if (dst != src2) |
| 351 | SLJIT_ASSERT_STOP(); |
| 352 | return SLJIT_SUCCESS; |
| 353 | |
| 354 | case SLJIT_NOT: |
| 355 | SLJIT_ASSERT(src1 == TMP_REG1); |
| 356 | UN_EXTS(); |
| 357 | return push_inst(compiler, NOR | RC(flags) | S(src2) | A(dst) | B(src2)); |
| 358 | |
| 359 | case SLJIT_NEG: |
| 360 | SLJIT_ASSERT(src1 == TMP_REG1); |
| 361 | UN_EXTS(); |
| 362 | return push_inst(compiler, NEG | OERC(flags) | D(dst) | A(src2)); |
| 363 | |
| 364 | case SLJIT_CLZ: |
| 365 | SLJIT_ASSERT(src1 == TMP_REG1); |
| 366 | if (flags & ALT_FORM1) |
| 367 | return push_inst(compiler, CNTLZW | RC(flags) | S(src2) | A(dst)); |
| 368 | return push_inst(compiler, CNTLZD | RC(flags) | S(src2) | A(dst)); |
| 369 | } |
| 370 | |
| 371 | SLJIT_ASSERT_STOP(); |
| 372 | return SLJIT_SUCCESS; |
| 373 | } |
| 374 | |
| 375 | static SLJIT_INLINE int emit_const(struct sljit_compiler *compiler, int reg, sljit_w init_value) |
| 376 | { |
| 377 | FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(init_value >> 48))); |
| 378 | FAIL_IF(push_inst(compiler, ORI | S(reg) | A(reg) | IMM(init_value >> 32))); |
| 379 | FAIL_IF(PUSH_RLDICR(reg, 31)); |
| 380 | FAIL_IF(push_inst(compiler, ORIS | S(reg) | A(reg) | IMM(init_value >> 16))); |
| 381 | return push_inst(compiler, ORI | S(reg) | A(reg) | IMM(init_value)); |
| 382 | } |
| 383 | |
| 384 | SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr) |
| 385 | { |
| 386 | sljit_ins *inst = (sljit_ins*)addr; |
| 387 | |
| 388 | inst[0] = (inst[0] & 0xffff0000) | ((new_addr >> 48) & 0xffff); |
| 389 | inst[1] = (inst[1] & 0xffff0000) | ((new_addr >> 32) & 0xffff); |
| 390 | inst[3] = (inst[3] & 0xffff0000) | ((new_addr >> 16) & 0xffff); |
| 391 | inst[4] = (inst[4] & 0xffff0000) | (new_addr & 0xffff); |
| 392 | SLJIT_CACHE_FLUSH(inst, inst + 5); |
| 393 | } |
| 394 | |
| 395 | SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_w new_constant) |
| 396 | { |
| 397 | sljit_ins *inst = (sljit_ins*)addr; |
| 398 | |
| 399 | inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 48) & 0xffff); |
| 400 | inst[1] = (inst[1] & 0xffff0000) | ((new_constant >> 32) & 0xffff); |
| 401 | inst[3] = (inst[3] & 0xffff0000) | ((new_constant >> 16) & 0xffff); |
| 402 | inst[4] = (inst[4] & 0xffff0000) | (new_constant & 0xffff); |
| 403 | SLJIT_CACHE_FLUSH(inst, inst + 5); |
| 404 | } |
| 405 | |
| 406 | SLJIT_API_FUNC_ATTRIBUTE void sljit_set_function_context(void** func_ptr, struct sljit_function_context* context, sljit_w addr, void* func) |
| 407 | { |
| 408 | sljit_w* ptrs; |
| 409 | if (func_ptr) |
| 410 | *func_ptr = (void*)context; |
| 411 | ptrs = (sljit_w*)func; |
| 412 | context->addr = addr ? addr : ptrs[0]; |
| 413 | context->r2 = ptrs[1]; |
| 414 | context->r11 = ptrs[2]; |
| 415 | } |