ext/pcre/pcrelib/sljit/sljitNativePPC

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
load_immediate
emit_single_op
emit_const
sljit_set_jump_addr
sljit_set_const
   1 /*
   2  *    Stack-less Just-In-Time compiler
   3  *
   4  *    Copyright 2009-2012 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 #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_si load_immediate(struct sljit_compiler *compiler, sljit_si 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_si emit_single_op(struct sljit_compiler *compiler, sljit_si op, sljit_si flags,
 149         sljit_si dst, sljit_si src1, sljit_si 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_UI:
 160         case SLJIT_MOV_SI:
 161                 SLJIT_ASSERT(src1 == TMP_REG1);
 162                 if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
 163                         if (op == SLJIT_MOV_SI)
 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_UB:
 173         case SLJIT_MOV_SB:
 174                 SLJIT_ASSERT(src1 == TMP_REG1);
 175                 if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
 176                         if (op == SLJIT_MOV_SB)
 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_SB)
 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_UH:
 188         case SLJIT_MOV_SH:
 189                 SLJIT_ASSERT(src1 == TMP_REG1);
 190                 if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
 191                         if (op == SLJIT_MOV_SH)
 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                 UN_EXTS();
 208                 return push_inst(compiler, NEG | OERC(flags) | D(dst) | A(src2));
 209 
 210         case SLJIT_CLZ:
 211                 SLJIT_ASSERT(src1 == TMP_REG1);
 212                 if (flags & ALT_FORM1)
 213                         return push_inst(compiler, CNTLZW | RC(flags) | S(src2) | A(dst));
 214                 return push_inst(compiler, CNTLZD | RC(flags) | S(src2) | A(dst));
 215 
 216         case SLJIT_ADD:
 217                 if (flags & ALT_FORM1) {
 218                         /* Flags does not set: BIN_IMM_EXTS unnecessary. */
 219                         SLJIT_ASSERT(src2 == TMP_REG2);
 220                         return push_inst(compiler, ADDI | D(dst) | A(src1) | compiler->imm);
 221                 }
 222                 if (flags & ALT_FORM2) {
 223                         /* Flags does not set: BIN_IMM_EXTS unnecessary. */
 224                         SLJIT_ASSERT(src2 == TMP_REG2);
 225                         return push_inst(compiler, ADDIS | D(dst) | A(src1) | compiler->imm);
 226                 }
 227                 if (flags & ALT_FORM3) {
 228                         SLJIT_ASSERT(src2 == TMP_REG2);
 229                         BIN_IMM_EXTS();
 230                         return push_inst(compiler, ADDIC | D(dst) | A(src1) | compiler->imm);
 231                 }
 232                 if (flags & ALT_FORM4) {
 233                         /* Flags does not set: BIN_IMM_EXTS unnecessary. */
 234                         FAIL_IF(push_inst(compiler, ADDI | D(dst) | A(src1) | (compiler->imm & 0xffff)));
 235                         return push_inst(compiler, ADDIS | D(dst) | A(dst) | (((compiler->imm >> 16) & 0xffff) + ((compiler->imm >> 15) & 0x1)));
 236                 }
 237                 if (!(flags & ALT_SET_FLAGS))
 238                         return push_inst(compiler, ADD | D(dst) | A(src1) | B(src2));
 239                 BIN_EXTS();
 240                 return push_inst(compiler, ADDC | OERC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2));
 241 
 242         case SLJIT_ADDC:
 243                 if (flags & ALT_FORM1) {
 244                         FAIL_IF(push_inst(compiler, MFXER | D(0)));
 245                         FAIL_IF(push_inst(compiler, ADDE | D(dst) | A(src1) | B(src2)));
 246                         return push_inst(compiler, MTXER | S(0));
 247                 }
 248                 BIN_EXTS();
 249                 return push_inst(compiler, ADDE | D(dst) | A(src1) | B(src2));
 250 
 251         case SLJIT_SUB:
 252                 if (flags & ALT_FORM1) {
 253                         /* Flags does not set: BIN_IMM_EXTS unnecessary. */
 254                         SLJIT_ASSERT(src2 == TMP_REG2);
 255                         return push_inst(compiler, SUBFIC | D(dst) | A(src1) | compiler->imm);
 256                 }
 257                 if (flags & (ALT_FORM2 | ALT_FORM3)) {
 258                         SLJIT_ASSERT(src2 == TMP_REG2);
 259                         if (flags & ALT_FORM2)
 260                                 FAIL_IF(push_inst(compiler, CMPI | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | compiler->imm));
 261                         if (flags & ALT_FORM3)
 262                                 return push_inst(compiler, CMPLI | CRD(4 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | compiler->imm);
 263                         return SLJIT_SUCCESS;
 264                 }
 265                 if (flags & (ALT_FORM4 | ALT_FORM5)) {
 266                         if (flags & ALT_FORM4)
 267                                 FAIL_IF(push_inst(compiler, CMPL | CRD(4 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2)));
 268                         if (flags & ALT_FORM5)
 269                                 return push_inst(compiler, CMP | CRD(0 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2));
 270                         return SLJIT_SUCCESS;
 271                 }
 272                 if (!(flags & ALT_SET_FLAGS))
 273                         return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1));
 274                 BIN_EXTS();
 275                 if (flags & ALT_FORM6)
 276                         FAIL_IF(push_inst(compiler, CMPL | CRD(4 | ((flags & ALT_SIGN_EXT) ? 0 : 1)) | A(src1) | B(src2)));
 277                 return push_inst(compiler, SUBFC | OERC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1));
 278 
 279         case SLJIT_SUBC:
 280                 if (flags & ALT_FORM1) {
 281                         FAIL_IF(push_inst(compiler, MFXER | D(0)));
 282                         FAIL_IF(push_inst(compiler, SUBFE | D(dst) | A(src2) | B(src1)));
 283                         return push_inst(compiler, MTXER | S(0));
 284                 }
 285                 BIN_EXTS();
 286                 return push_inst(compiler, SUBFE | D(dst) | A(src2) | B(src1));
 287 
 288         case SLJIT_MUL:
 289                 if (flags & ALT_FORM1) {
 290                         SLJIT_ASSERT(src2 == TMP_REG2);
 291                         return push_inst(compiler, MULLI | D(dst) | A(src1) | compiler->imm);
 292                 }
 293                 BIN_EXTS();
 294                 if (flags & ALT_FORM2)
 295                         return push_inst(compiler, MULLW | OERC(flags) | D(dst) | A(src2) | B(src1));
 296                 return push_inst(compiler, MULLD | OERC(flags) | D(dst) | A(src2) | B(src1));
 297 
 298         case SLJIT_AND:
 299                 if (flags & ALT_FORM1) {
 300                         SLJIT_ASSERT(src2 == TMP_REG2);
 301                         return push_inst(compiler, ANDI | S(src1) | A(dst) | compiler->imm);
 302                 }
 303                 if (flags & ALT_FORM2) {
 304                         SLJIT_ASSERT(src2 == TMP_REG2);
 305                         return push_inst(compiler, ANDIS | S(src1) | A(dst) | compiler->imm);
 306                 }
 307                 return push_inst(compiler, AND | RC(flags) | S(src1) | A(dst) | B(src2));
 308 
 309         case SLJIT_OR:
 310                 if (flags & ALT_FORM1) {
 311                         SLJIT_ASSERT(src2 == TMP_REG2);
 312                         return push_inst(compiler, ORI | S(src1) | A(dst) | compiler->imm);
 313                 }
 314                 if (flags & ALT_FORM2) {
 315                         SLJIT_ASSERT(src2 == TMP_REG2);
 316                         return push_inst(compiler, ORIS | S(src1) | A(dst) | compiler->imm);
 317                 }
 318                 if (flags & ALT_FORM3) {
 319                         SLJIT_ASSERT(src2 == TMP_REG2);
 320                         FAIL_IF(push_inst(compiler, ORI | S(src1) | A(dst) | IMM(compiler->imm)));
 321                         return push_inst(compiler, ORIS | S(dst) | A(dst) | IMM(compiler->imm >> 16));
 322                 }
 323                 return push_inst(compiler, OR | RC(flags) | S(src1) | A(dst) | B(src2));
 324 
 325         case SLJIT_XOR:
 326                 if (flags & ALT_FORM1) {
 327                         SLJIT_ASSERT(src2 == TMP_REG2);
 328                         return push_inst(compiler, XORI | S(src1) | A(dst) | compiler->imm);
 329                 }
 330                 if (flags & ALT_FORM2) {
 331                         SLJIT_ASSERT(src2 == TMP_REG2);
 332                         return push_inst(compiler, XORIS | S(src1) | A(dst) | compiler->imm);
 333                 }
 334                 if (flags & ALT_FORM3) {
 335                         SLJIT_ASSERT(src2 == TMP_REG2);
 336                         FAIL_IF(push_inst(compiler, XORI | S(src1) | A(dst) | IMM(compiler->imm)));
 337                         return push_inst(compiler, XORIS | S(dst) | A(dst) | IMM(compiler->imm >> 16));
 338                 }
 339                 return push_inst(compiler, XOR | RC(flags) | S(src1) | A(dst) | B(src2));
 340 
 341         case SLJIT_SHL:
 342                 if (flags & ALT_FORM1) {
 343                         SLJIT_ASSERT(src2 == TMP_REG2);
 344                         if (flags & ALT_FORM2) {
 345                                 compiler->imm &= 0x1f;
 346                                 return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11) | ((31 - compiler->imm) << 1));
 347                         }
 348                         else {
 349                                 compiler->imm &= 0x3f;
 350                                 return push_inst(compiler, RLDI(dst, src1, compiler->imm, 63 - compiler->imm, 1) | RC(flags));
 351                         }
 352                 }
 353                 return push_inst(compiler, ((flags & ALT_FORM2) ? SLW : SLD) | RC(flags) | S(src1) | A(dst) | B(src2));
 354 
 355         case SLJIT_LSHR:
 356                 if (flags & ALT_FORM1) {
 357                         SLJIT_ASSERT(src2 == TMP_REG2);
 358                         if (flags & ALT_FORM2) {
 359                                 compiler->imm &= 0x1f;
 360                                 return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (((32 - compiler->imm) & 0x1f) << 11) | (compiler->imm << 6) | (31 << 1));
 361                         }
 362                         else {
 363                                 compiler->imm &= 0x3f;
 364                                 return push_inst(compiler, RLDI(dst, src1, 64 - compiler->imm, compiler->imm, 0) | RC(flags));
 365                         }
 366                 }
 367                 return push_inst(compiler, ((flags & ALT_FORM2) ? SRW : SRD) | RC(flags) | S(src1) | A(dst) | B(src2));
 368 
 369         case SLJIT_ASHR:
 370                 if (flags & ALT_FORM3)
 371                         FAIL_IF(push_inst(compiler, MFXER | D(0)));
 372                 if (flags & ALT_FORM1) {
 373                         SLJIT_ASSERT(src2 == TMP_REG2);
 374                         if (flags & ALT_FORM2) {
 375                                 compiler->imm &= 0x1f;
 376                                 FAIL_IF(push_inst(compiler, SRAWI | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11)));
 377                         }
 378                         else {
 379                                 compiler->imm &= 0x3f;
 380                                 FAIL_IF(push_inst(compiler, SRADI | RC(flags) | S(src1) | A(dst) | ((compiler->imm & 0x1f) << 11) | ((compiler->imm & 0x20) >> 4)));
 381                         }
 382                 }
 383                 else
 384                         FAIL_IF(push_inst(compiler, ((flags & ALT_FORM2) ? SRAW : SRAD) | RC(flags) | S(src1) | A(dst) | B(src2)));
 385                 return (flags & ALT_FORM3) ? push_inst(compiler, MTXER | S(0)) : SLJIT_SUCCESS;
 386         }
 387 
 388         SLJIT_ASSERT_STOP();
 389         return SLJIT_SUCCESS;
 390 }
 391 
 392 static SLJIT_INLINE sljit_si emit_const(struct sljit_compiler *compiler, sljit_si reg, sljit_sw init_value)
 393 {
 394         FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(init_value >> 48)));
 395         FAIL_IF(push_inst(compiler, ORI | S(reg) | A(reg) | IMM(init_value >> 32)));
 396         FAIL_IF(PUSH_RLDICR(reg, 31));
 397         FAIL_IF(push_inst(compiler, ORIS | S(reg) | A(reg) | IMM(init_value >> 16)));
 398         return push_inst(compiler, ORI | S(reg) | A(reg) | IMM(init_value));
 399 }
 400 
 401 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr)
 402 {
 403         sljit_ins *inst = (sljit_ins*)addr;
 404 
 405         inst[0] = (inst[0] & 0xffff0000) | ((new_addr >> 48) & 0xffff);
 406         inst[1] = (inst[1] & 0xffff0000) | ((new_addr >> 32) & 0xffff);
 407         inst[3] = (inst[3] & 0xffff0000) | ((new_addr >> 16) & 0xffff);
 408         inst[4] = (inst[4] & 0xffff0000) | (new_addr & 0xffff);
 409         SLJIT_CACHE_FLUSH(inst, inst + 5);
 410 }
 411 
 412 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant)
 413 {
 414         sljit_ins *inst = (sljit_ins*)addr;
 415 
 416         inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 48) & 0xffff);
 417         inst[1] = (inst[1] & 0xffff0000) | ((new_constant >> 32) & 0xffff);
 418         inst[3] = (inst[3] & 0xffff0000) | ((new_constant >> 16) & 0xffff);
 419         inst[4] = (inst[4] & 0xffff0000) | (new_constant & 0xffff);
 420         SLJIT_CACHE_FLUSH(inst, inst + 5);
 421 }
/* [<][>][^][v][top][bottom][index][help] */
root/ext/pcre/pcrelib/sljit/sljitNativePPC_64.c

DEFINITIONS
