Annotation of win32/pcre/sljit/sljitNativePPC_common.c, revision 1.1
1.1 ! misha 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: SLJIT_API_FUNC_ATTRIBUTE SLJIT_CONST char* sljit_get_platform_name()
! 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_ui sljit_ins;
! 35:
! 36: static void ppc_cache_flush(sljit_ins *from, sljit_ins *to)
! 37: {
! 38: while (from < to) {
! 39: #ifdef __GNUC__
! 40: asm volatile ( "icbi 0, %0" : : "r"(from) );
! 41: #else
! 42: #error "Must implement icbi"
! 43: #endif
! 44: from++;
! 45: }
! 46: }
! 47:
! 48: #define TMP_REG1 (SLJIT_NO_REGISTERS + 1)
! 49: #define TMP_REG2 (SLJIT_NO_REGISTERS + 2)
! 50: #define TMP_REG3 (SLJIT_NO_REGISTERS + 3)
! 51: #define ZERO_REG (SLJIT_NO_REGISTERS + 4)
! 52: #define REAL_STACK_PTR (SLJIT_NO_REGISTERS + 5)
! 53:
! 54: #define TMP_FREG1 (SLJIT_FLOAT_REG4 + 1)
! 55: #define TMP_FREG2 (SLJIT_FLOAT_REG4 + 2)
! 56:
! 57: /* --------------------------------------------------------------------- */
! 58: /* Instrucion forms */
! 59: /* --------------------------------------------------------------------- */
! 60: #define D(d) (reg_map[d] << 21)
! 61: #define S(s) (reg_map[s] << 21)
! 62: #define A(a) (reg_map[a] << 16)
! 63: #define B(b) (reg_map[b] << 11)
! 64: #define C(c) (reg_map[c] << 6)
! 65: #define FD(fd) ((fd) << 21)
! 66: #define FA(fa) ((fa) << 16)
! 67: #define FB(fb) ((fb) << 11)
! 68: #define FC(fc) ((fc) << 6)
! 69: #define IMM(imm) ((imm) & 0xffff)
! 70: #define CRD(d) ((d) << 21)
! 71:
! 72: /* Instruction bit sections.
! 73: OE and Rc flag (see ALT_SET_FLAGS). */
! 74: #define OERC(flags) (((flags & ALT_SET_FLAGS) >> 10) | (flags & ALT_SET_FLAGS))
! 75: /* Rc flag (see ALT_SET_FLAGS). */
! 76: #define RC(flags) ((flags & ALT_SET_FLAGS) >> 10)
! 77: #define HI(opcode) ((opcode) << 26)
! 78: #define LO(opcode) ((opcode) << 1)
! 79:
! 80: #define ADD (HI(31) | LO(266))
! 81: #define ADDC (HI(31) | LO(10))
! 82: #define ADDE (HI(31) | LO(138))
! 83: #define ADDI (HI(14))
! 84: #define ADDIC (HI(13))
! 85: #define ADDIS (HI(15))
! 86: #define ADDME (HI(31) | LO(234))
! 87: #define AND (HI(31) | LO(28))
! 88: #define ANDI (HI(28))
! 89: #define ANDIS (HI(29))
! 90: #define Bx (HI(18))
! 91: #define BCx (HI(16))
! 92: #define BCCTR (HI(19) | LO(528) | (3 << 11))
! 93: #define BLR (HI(19) | LO(16) | (0x14 << 21))
! 94: #define CNTLZD (HI(31) | LO(58))
! 95: #define CNTLZW (HI(31) | LO(26))
! 96: #define CMP (HI(31) | LO(0))
! 97: #define CMPI (HI(11))
! 98: #define CMPL (HI(31) | LO(32))
! 99: #define CMPLI (HI(10))
! 100: #define CROR (HI(19) | LO(449))
! 101: #define DIVD (HI(31) | LO(489))
! 102: #define DIVDU (HI(31) | LO(457))
! 103: #define DIVW (HI(31) | LO(491))
! 104: #define DIVWU (HI(31) | LO(459))
! 105: #define EXTSB (HI(31) | LO(954))
! 106: #define EXTSH (HI(31) | LO(922))
! 107: #define EXTSW (HI(31) | LO(986))
! 108: #define FABS (HI(63) | LO(264))
! 109: #define FADD (HI(63) | LO(21))
! 110: #define FCMPU (HI(63) | LO(0))
! 111: #define FDIV (HI(63) | LO(18))
! 112: #define FMR (HI(63) | LO(72))
! 113: #define FMUL (HI(63) | LO(25))
! 114: #define FNEG (HI(63) | LO(40))
! 115: #define FSUB (HI(63) | LO(20))
! 116: #define LD (HI(58) | 0)
! 117: #define LFD (HI(50))
! 118: #define LFDUX (HI(31) | LO(631))
! 119: #define LFDX (HI(31) | LO(599))
! 120: #define LWZ (HI(32))
! 121: #define MFCR (HI(31) | LO(19))
! 122: #define MFLR (HI(31) | LO(339) | 0x80000)
! 123: #define MFXER (HI(31) | LO(339) | 0x10000)
! 124: #define MTCTR (HI(31) | LO(467) | 0x90000)
! 125: #define MTLR (HI(31) | LO(467) | 0x80000)
! 126: #define MTXER (HI(31) | LO(467) | 0x10000)
! 127: #define MULHD (HI(31) | LO(73))
! 128: #define MULHDU (HI(31) | LO(9))
! 129: #define MULHW (HI(31) | LO(75))
! 130: #define MULHWU (HI(31) | LO(11))
! 131: #define MULLD (HI(31) | LO(233))
! 132: #define MULLI (HI(7))
! 133: #define MULLW (HI(31) | LO(235))
! 134: #define NEG (HI(31) | LO(104))
! 135: #define NOP (HI(24))
! 136: #define NOR (HI(31) | LO(124))
! 137: #define OR (HI(31) | LO(444))
! 138: #define ORI (HI(24))
! 139: #define ORIS (HI(25))
! 140: #define RLDICL (HI(30))
! 141: #define RLWINM (HI(21))
! 142: #define SLD (HI(31) | LO(27))
! 143: #define SLW (HI(31) | LO(24))
! 144: #define SRAD (HI(31) | LO(794))
! 145: #define SRADI (HI(31) | LO(413 << 1))
! 146: #define SRAW (HI(31) | LO(792))
! 147: #define SRAWI (HI(31) | LO(824))
! 148: #define SRD (HI(31) | LO(539))
! 149: #define SRW (HI(31) | LO(536))
! 150: #define STD (HI(62) | 0)
! 151: #define STDU (HI(62) | 1)
! 152: #define STDUX (HI(31) | LO(181))
! 153: #define STFD (HI(54))
! 154: #define STFDUX (HI(31) | LO(759))
! 155: #define STFDX (HI(31) | LO(727))
! 156: #define STW (HI(36))
! 157: #define STWU (HI(37))
! 158: #define STWUX (HI(31) | LO(183))
! 159: #define SUBF (HI(31) | LO(40))
! 160: #define SUBFC (HI(31) | LO(8))
! 161: #define SUBFE (HI(31) | LO(136))
! 162: #define SUBFIC (HI(8))
! 163: #define XOR (HI(31) | LO(316))
! 164: #define XORI (HI(26))
! 165: #define XORIS (HI(27))
! 166:
! 167: #define SIMM_MAX (0x7fff)
! 168: #define SIMM_MIN (-0x8000)
! 169: #define UIMM_MAX (0xffff)
! 170:
! 171: /* SLJIT_LOCALS_REG is not the real stack register, since it must
! 172: point to the head of the stack chain. */
! 173: static SLJIT_CONST sljit_ub reg_map[SLJIT_NO_REGISTERS + 6] = {
! 174: 0, 3, 4, 5, 6, 7, 29, 28, 27, 26, 25, 31, 8, 9, 10, 30, 1
! 175: };
! 176:
! 177: static int push_inst(struct sljit_compiler *compiler, sljit_ins ins)
! 178: {
! 179: sljit_ins *ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
! 180: FAIL_IF(!ptr);
! 181: *ptr = ins;
! 182: compiler->size++;
! 183: return SLJIT_SUCCESS;
! 184: }
! 185:
! 186: static SLJIT_INLINE int optimize_jump(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code)
! 187: {
! 188: sljit_w diff;
! 189: sljit_uw target_addr;
! 190:
! 191: if (jump->flags & SLJIT_REWRITABLE_JUMP)
! 192: return 0;
! 193:
! 194: if (jump->flags & JUMP_ADDR)
! 195: target_addr = jump->u.target;
! 196: else {
! 197: SLJIT_ASSERT(jump->flags & JUMP_LABEL);
! 198: target_addr = (sljit_uw)(code + jump->u.label->size);
! 199: }
! 200: diff = ((sljit_w)target_addr - (sljit_w)(code_ptr)) & ~0x3l;
! 201:
! 202: if (jump->flags & UNCOND_B) {
! 203: if (diff <= 0x01ffffff && diff >= -0x02000000) {
! 204: jump->flags |= PATCH_B;
! 205: return 1;
! 206: }
! 207: if (target_addr <= 0x03ffffff) {
! 208: jump->flags |= PATCH_B | ABSOLUTE_B;
! 209: return 1;
! 210: }
! 211: }
! 212: else {
! 213: if (diff <= 0x7fff && diff >= -0x8000) {
! 214: jump->flags |= PATCH_B;
! 215: return 1;
! 216: }
! 217: if (target_addr <= 0xffff) {
! 218: jump->flags |= PATCH_B | ABSOLUTE_B;
! 219: return 1;
! 220: }
! 221: }
! 222: return 0;
! 223: }
! 224:
! 225: SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
! 226: {
! 227: struct sljit_memory_fragment *buf;
! 228: sljit_ins *code;
! 229: sljit_ins *code_ptr;
! 230: sljit_ins *buf_ptr;
! 231: sljit_ins *buf_end;
! 232: sljit_uw word_count;
! 233: sljit_uw addr;
! 234:
! 235: struct sljit_label *label;
! 236: struct sljit_jump *jump;
! 237: struct sljit_const *const_;
! 238:
! 239: CHECK_ERROR_PTR();
! 240: check_sljit_generate_code(compiler);
! 241: reverse_buf(compiler);
! 242:
! 243: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 244: compiler->size += (compiler->size & 0x1) + (sizeof(struct sljit_function_context) / sizeof(sljit_ins));
! 245: #endif
! 246: code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
! 247: PTR_FAIL_WITH_EXEC_IF(code);
! 248: buf = compiler->buf;
! 249:
! 250: code_ptr = code;
! 251: word_count = 0;
! 252: label = compiler->labels;
! 253: jump = compiler->jumps;
! 254: const_ = compiler->consts;
! 255: do {
! 256: buf_ptr = (sljit_ins*)buf->memory;
! 257: buf_end = buf_ptr + (buf->used_size >> 2);
! 258: do {
! 259: *code_ptr = *buf_ptr++;
! 260: SLJIT_ASSERT(!label || label->size >= word_count);
! 261: SLJIT_ASSERT(!jump || jump->addr >= word_count);
! 262: SLJIT_ASSERT(!const_ || const_->addr >= word_count);
! 263: /* These structures are ordered by their address. */
! 264: if (label && label->size == word_count) {
! 265: /* Just recording the address. */
! 266: label->addr = (sljit_uw)code_ptr;
! 267: label->size = code_ptr - code;
! 268: label = label->next;
! 269: }
! 270: if (jump && jump->addr == word_count) {
! 271: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 272: jump->addr = (sljit_uw)(code_ptr - 3);
! 273: #else
! 274: jump->addr = (sljit_uw)(code_ptr - 6);
! 275: #endif
! 276: if (optimize_jump(jump, code_ptr, code)) {
! 277: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 278: code_ptr[-3] = code_ptr[0];
! 279: code_ptr -= 3;
! 280: #else
! 281: code_ptr[-6] = code_ptr[0];
! 282: code_ptr -= 6;
! 283: #endif
! 284: }
! 285: jump = jump->next;
! 286: }
! 287: if (const_ && const_->addr == word_count) {
! 288: /* Just recording the address. */
! 289: const_->addr = (sljit_uw)code_ptr;
! 290: const_ = const_->next;
! 291: }
! 292: code_ptr ++;
! 293: word_count ++;
! 294: } while (buf_ptr < buf_end);
! 295:
! 296: buf = buf->next;
! 297: } while (buf);
! 298:
! 299: if (label && label->size == word_count) {
! 300: label->addr = (sljit_uw)code_ptr;
! 301: label->size = code_ptr - code;
! 302: label = label->next;
! 303: }
! 304:
! 305: SLJIT_ASSERT(!label);
! 306: SLJIT_ASSERT(!jump);
! 307: SLJIT_ASSERT(!const_);
! 308: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 309: SLJIT_ASSERT(code_ptr - code <= (int)compiler->size - ((compiler->size & 0x1) ? 3 : 2));
! 310: #else
! 311: SLJIT_ASSERT(code_ptr - code <= (int)compiler->size);
! 312: #endif
! 313:
! 314: jump = compiler->jumps;
! 315: while (jump) {
! 316: do {
! 317: addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
! 318: buf_ptr = (sljit_ins*)jump->addr;
! 319: if (jump->flags & PATCH_B) {
! 320: if (jump->flags & UNCOND_B) {
! 321: if (!(jump->flags & ABSOLUTE_B)) {
! 322: addr = addr - jump->addr;
! 323: SLJIT_ASSERT((sljit_w)addr <= 0x01ffffff && (sljit_w)addr >= -0x02000000);
! 324: *buf_ptr = Bx | (addr & 0x03fffffc) | ((*buf_ptr) & 0x1);
! 325: }
! 326: else {
! 327: SLJIT_ASSERT(addr <= 0x03ffffff);
! 328: *buf_ptr = Bx | (addr & 0x03fffffc) | 0x2 | ((*buf_ptr) & 0x1);
! 329: }
! 330: }
! 331: else {
! 332: if (!(jump->flags & ABSOLUTE_B)) {
! 333: addr = addr - jump->addr;
! 334: SLJIT_ASSERT((sljit_w)addr <= 0x7fff && (sljit_w)addr >= -0x8000);
! 335: *buf_ptr = BCx | (addr & 0xfffc) | ((*buf_ptr) & 0x03ff0001);
! 336: }
! 337: else {
! 338: addr = addr & ~0x3l;
! 339: SLJIT_ASSERT(addr <= 0xffff);
! 340: *buf_ptr = BCx | (addr & 0xfffc) | 0x2 | ((*buf_ptr) & 0x03ff0001);
! 341: }
! 342:
! 343: }
! 344: break;
! 345: }
! 346: /* Set the fields of immediate loads. */
! 347: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 348: buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 16) & 0xffff);
! 349: buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | (addr & 0xffff);
! 350: #else
! 351: buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 48) & 0xffff);
! 352: buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | ((addr >> 32) & 0xffff);
! 353: buf_ptr[3] = (buf_ptr[3] & 0xffff0000) | ((addr >> 16) & 0xffff);
! 354: buf_ptr[4] = (buf_ptr[4] & 0xffff0000) | (addr & 0xffff);
! 355: #endif
! 356: } while (0);
! 357: jump = jump->next;
! 358: }
! 359:
! 360: SLJIT_CACHE_FLUSH(code, code_ptr);
! 361: compiler->error = SLJIT_ERR_COMPILED;
! 362: compiler->executable_size = compiler->size * sizeof(sljit_ins);
! 363:
! 364: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 365: if (((sljit_w)code_ptr) & 0x4)
! 366: code_ptr++;
! 367: sljit_set_function_context(NULL, (struct sljit_function_context*)code_ptr, (sljit_w)code, sljit_generate_code);
! 368: return code_ptr;
! 369: #else
! 370: return code;
! 371: #endif
! 372: }
! 373:
! 374: /* inp_flags: */
! 375:
! 376: /* Creates an index in data_transfer_insts array. */
! 377: #define WORD_DATA 0x00
! 378: #define BYTE_DATA 0x01
! 379: #define HALF_DATA 0x02
! 380: #define INT_DATA 0x03
! 381: #define SIGNED_DATA 0x04
! 382: #define LOAD_DATA 0x08
! 383: #define WRITE_BACK 0x10
! 384: #define INDEXED 0x20
! 385:
! 386: #define MEM_MASK 0x3f
! 387:
! 388: /* Other inp_flags. */
! 389:
! 390: #define ARG_TEST 0x000100
! 391: /* Integer opertion and set flags -> requires exts on 64 bit systems. */
! 392: #define ALT_SIGN_EXT 0x000200
! 393: /* This flag affects the RC() and OERC() macros. */
! 394: #define ALT_SET_FLAGS 0x000400
! 395: #define ALT_FORM1 0x010000
! 396: #define ALT_FORM2 0x020000
! 397: #define ALT_FORM3 0x040000
! 398: #define ALT_FORM4 0x080000
! 399: #define ALT_FORM5 0x100000
! 400: #define ALT_FORM6 0x200000
! 401:
! 402: /* Source and destination is register. */
! 403: #define REG_DEST 0x000001
! 404: #define REG1_SOURCE 0x000002
! 405: #define REG2_SOURCE 0x000004
! 406: /* getput_arg_fast returned true. */
! 407: #define FAST_DEST 0x000008
! 408: /* Multiple instructions are required. */
! 409: #define SLOW_DEST 0x000010
! 410: /*
! 411: ALT_SIGN_EXT 0x000200
! 412: ALT_SET_FLAGS 0x000400
! 413: ALT_FORM1 0x010000
! 414: ...
! 415: ALT_FORM6 0x200000 */
! 416:
! 417: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 418: #include "sljitNativePPC_32.c"
! 419: #else
! 420: #include "sljitNativePPC_64.c"
! 421: #endif
! 422:
! 423: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 424: #define STACK_STORE STW
! 425: #define STACK_LOAD LWZ
! 426: #else
! 427: #define STACK_STORE STD
! 428: #define STACK_LOAD LD
! 429: #endif
! 430:
! 431: static int emit_op(struct sljit_compiler *compiler, int op, int inp_flags,
! 432: int dst, sljit_w dstw,
! 433: int src1, sljit_w src1w,
! 434: int src2, sljit_w src2w);
! 435:
! 436: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct sljit_compiler *compiler, int args, int temporaries, int saveds, int local_size)
! 437: {
! 438: CHECK_ERROR();
! 439: check_sljit_emit_enter(compiler, args, temporaries, saveds, local_size);
! 440:
! 441: compiler->temporaries = temporaries;
! 442: compiler->saveds = saveds;
! 443: compiler->has_locals = local_size > 0;
! 444:
! 445: FAIL_IF(push_inst(compiler, MFLR | D(0)));
! 446: if (compiler->has_locals)
! 447: FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM(-(int)(sizeof(sljit_w))) ));
! 448: FAIL_IF(push_inst(compiler, STACK_STORE | S(ZERO_REG) | A(REAL_STACK_PTR) | IMM(-2 * (int)(sizeof(sljit_w))) ));
! 449: if (saveds >= 1)
! 450: FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_SAVED_REG1) | A(REAL_STACK_PTR) | IMM(-3 * (int)(sizeof(sljit_w))) ));
! 451: if (saveds >= 2)
! 452: FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_SAVED_REG2) | A(REAL_STACK_PTR) | IMM(-4 * (int)(sizeof(sljit_w))) ));
! 453: if (saveds >= 3)
! 454: FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_SAVED_REG3) | A(REAL_STACK_PTR) | IMM(-5 * (int)(sizeof(sljit_w))) ));
! 455: if (saveds >= 4)
! 456: FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_SAVED_EREG1) | A(REAL_STACK_PTR) | IMM(-6 * (int)(sizeof(sljit_w))) ));
! 457: if (saveds >= 5)
! 458: FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_SAVED_EREG2) | A(REAL_STACK_PTR) | IMM(-7 * (int)(sizeof(sljit_w))) ));
! 459: FAIL_IF(push_inst(compiler, STACK_STORE | S(0) | A(REAL_STACK_PTR) | IMM(sizeof(sljit_w)) ));
! 460:
! 461: FAIL_IF(push_inst(compiler, ADDI | D(ZERO_REG) | A(0) | 0));
! 462: if (args >= 1)
! 463: FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG1) | A(SLJIT_SAVED_REG1) | B(SLJIT_TEMPORARY_REG1)));
! 464: if (args >= 2)
! 465: FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG2) | A(SLJIT_SAVED_REG2) | B(SLJIT_TEMPORARY_REG2)));
! 466: if (args >= 3)
! 467: FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG3) | A(SLJIT_SAVED_REG3) | B(SLJIT_TEMPORARY_REG3)));
! 468:
! 469: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 470: compiler->local_size = (2 + saveds + 2) * sizeof(sljit_w) + local_size;
! 471: #else
! 472: compiler->local_size = (2 + saveds + 7 + 8) * sizeof(sljit_w) + local_size;
! 473: #endif
! 474: compiler->local_size = (compiler->local_size + 15) & ~0xf;
! 475:
! 476: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 477: if (compiler->local_size <= SIMM_MAX)
! 478: FAIL_IF(push_inst(compiler, STWU | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | IMM(-compiler->local_size)));
! 479: else {
! 480: FAIL_IF(load_immediate(compiler, 0, -compiler->local_size));
! 481: FAIL_IF(push_inst(compiler, STWUX | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | B(0)));
! 482: }
! 483: if (compiler->has_locals)
! 484: FAIL_IF(push_inst(compiler, ADDI | D(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM(2 * sizeof(sljit_w))));
! 485: #else
! 486: if (compiler->local_size <= SIMM_MAX)
! 487: FAIL_IF(push_inst(compiler, STDU | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | IMM(-compiler->local_size)));
! 488: else {
! 489: FAIL_IF(load_immediate(compiler, 0, -compiler->local_size));
! 490: FAIL_IF(push_inst(compiler, STDUX | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | B(0)));
! 491: }
! 492: if (compiler->has_locals)
! 493: FAIL_IF(push_inst(compiler, ADDI | D(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM((7 + 8) * sizeof(sljit_w))));
! 494: #endif
! 495:
! 496: return SLJIT_SUCCESS;
! 497: }
! 498:
! 499: SLJIT_API_FUNC_ATTRIBUTE void sljit_set_context(struct sljit_compiler *compiler, int args, int temporaries, int saveds, int local_size)
! 500: {
! 501: CHECK_ERROR_VOID();
! 502: check_sljit_set_context(compiler, args, temporaries, saveds, local_size);
! 503:
! 504: compiler->temporaries = temporaries;
! 505: compiler->saveds = saveds;
! 506:
! 507: compiler->has_locals = local_size > 0;
! 508: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 509: compiler->local_size = (2 + saveds + 2) * sizeof(sljit_w) + local_size;
! 510: #else
! 511: compiler->local_size = (2 + saveds + 7 + 8) * sizeof(sljit_w) + local_size;
! 512: #endif
! 513: compiler->local_size = (compiler->local_size + 15) & ~0xf;
! 514: }
! 515:
! 516: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_return(struct sljit_compiler *compiler, int op, int src, sljit_w srcw)
! 517: {
! 518: CHECK_ERROR();
! 519: check_sljit_emit_return(compiler, op, src, srcw);
! 520:
! 521: FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
! 522:
! 523: if (compiler->local_size <= SIMM_MAX)
! 524: FAIL_IF(push_inst(compiler, ADDI | D(REAL_STACK_PTR) | A(REAL_STACK_PTR) | IMM(compiler->local_size)));
! 525: else {
! 526: FAIL_IF(load_immediate(compiler, 0, compiler->local_size));
! 527: FAIL_IF(push_inst(compiler, ADD | D(REAL_STACK_PTR) | A(REAL_STACK_PTR) | B(0)));
! 528: }
! 529:
! 530: FAIL_IF(push_inst(compiler, STACK_LOAD | D(0) | A(REAL_STACK_PTR) | IMM(sizeof(sljit_w))));
! 531: if (compiler->saveds >= 5)
! 532: FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_SAVED_EREG2) | A(REAL_STACK_PTR) | IMM(-7 * (int)(sizeof(sljit_w))) ));
! 533: if (compiler->saveds >= 4)
! 534: FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_SAVED_EREG1) | A(REAL_STACK_PTR) | IMM(-6 * (int)(sizeof(sljit_w))) ));
! 535: if (compiler->saveds >= 3)
! 536: FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_SAVED_REG3) | A(REAL_STACK_PTR) | IMM(-5 * (int)(sizeof(sljit_w))) ));
! 537: if (compiler->saveds >= 2)
! 538: FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_SAVED_REG2) | A(REAL_STACK_PTR) | IMM(-4 * (int)(sizeof(sljit_w))) ));
! 539: if (compiler->saveds >= 1)
! 540: FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_SAVED_REG1) | A(REAL_STACK_PTR) | IMM(-3 * (int)(sizeof(sljit_w))) ));
! 541: FAIL_IF(push_inst(compiler, STACK_LOAD | D(ZERO_REG) | A(REAL_STACK_PTR) | IMM(-2 * (int)(sizeof(sljit_w))) ));
! 542: if (compiler->has_locals)
! 543: FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM(-(int)(sizeof(sljit_w))) ));
! 544:
! 545: FAIL_IF(push_inst(compiler, MTLR | S(0)));
! 546: FAIL_IF(push_inst(compiler, BLR));
! 547:
! 548: return SLJIT_SUCCESS;
! 549: }
! 550:
! 551: #undef STACK_STORE
! 552: #undef STACK_LOAD
! 553:
! 554: /* --------------------------------------------------------------------- */
! 555: /* Operators */
! 556: /* --------------------------------------------------------------------- */
! 557:
! 558: /* i/x - immediate/indexed form
! 559: n/w - no write-back / write-back (1 bit)
! 560: s/l - store/load (1 bit)
! 561: u/s - signed/unsigned (1 bit)
! 562: w/b/h/i - word/byte/half/int allowed (2 bit)
! 563: It contans 32 items, but not all are different. */
! 564:
! 565: /* 64 bit only: [reg+imm] must be aligned to 4 bytes. */
! 566: #define ADDR_MODE2 0x10000
! 567: /* 64-bit only: there is no lwau instruction. */
! 568: #define UPDATE_REQ 0x20000
! 569:
! 570: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 571: #define ARCH_DEPEND(a, b) a
! 572: #define GET_INST_CODE(inst) (inst)
! 573: #else
! 574: #define ARCH_DEPEND(a, b) b
! 575: #define GET_INST_CODE(index) ((inst) & ~(ADDR_MODE2 | UPDATE_REQ))
! 576: #endif
! 577:
! 578: static SLJIT_CONST sljit_ins data_transfer_insts[64] = {
! 579:
! 580: /* No write-back. */
! 581:
! 582: /* i n s u w */ ARCH_DEPEND(HI(36) /* stw */, HI(62) | ADDR_MODE2 | 0x0 /* std */),
! 583: /* i n s u b */ HI(38) /* stb */,
! 584: /* i n s u h */ HI(44) /* sth*/,
! 585: /* i n s u i */ HI(36) /* stw */,
! 586:
! 587: /* i n s s w */ ARCH_DEPEND(HI(36) /* stw */, HI(62) | ADDR_MODE2 | 0x0 /* std */),
! 588: /* i n s s b */ HI(38) /* stb */,
! 589: /* i n s s h */ HI(44) /* sth*/,
! 590: /* i n s s i */ HI(36) /* stw */,
! 591:
! 592: /* i n l u w */ ARCH_DEPEND(HI(32) /* lwz */, HI(58) | ADDR_MODE2 | 0x0 /* ld */),
! 593: /* i n l u b */ HI(34) /* lbz */,
! 594: /* i n l u h */ HI(40) /* lhz */,
! 595: /* i n l u i */ HI(32) /* lwz */,
! 596:
! 597: /* i n l s w */ ARCH_DEPEND(HI(32) /* lwz */, HI(58) | ADDR_MODE2 | 0x0 /* ld */),
! 598: /* i n l s b */ HI(34) /* lbz */ /* EXTS_REQ */,
! 599: /* i n l s h */ HI(42) /* lha */,
! 600: /* i n l s i */ ARCH_DEPEND(HI(32) /* lwz */, HI(58) | ADDR_MODE2 | 0x2 /* lwa */),
! 601:
! 602: /* Write-back. */
! 603:
! 604: /* i w s u w */ ARCH_DEPEND(HI(37) /* stwu */, HI(62) | ADDR_MODE2 | 0x1 /* stdu */),
! 605: /* i w s u b */ HI(39) /* stbu */,
! 606: /* i w s u h */ HI(45) /* sthu */,
! 607: /* i w s u i */ HI(37) /* stwu */,
! 608:
! 609: /* i w s s w */ ARCH_DEPEND(HI(37) /* stwu */, HI(62) | ADDR_MODE2 | 0x1 /* stdu */),
! 610: /* i w s s b */ HI(39) /* stbu */,
! 611: /* i w s s h */ HI(45) /* sthu */,
! 612: /* i w s s i */ HI(37) /* stwu */,
! 613:
! 614: /* i w l u w */ ARCH_DEPEND(HI(33) /* lwzu */, HI(58) | ADDR_MODE2 | 0x1 /* ldu */),
! 615: /* i w l u b */ HI(35) /* lbzu */,
! 616: /* i w l u h */ HI(41) /* lhzu */,
! 617: /* i w l u i */ HI(33) /* lwzu */,
! 618:
! 619: /* i w l s w */ ARCH_DEPEND(HI(33) /* lwzu */, HI(58) | ADDR_MODE2 | 0x1 /* ldu */),
! 620: /* i w l s b */ HI(35) /* lbzu */ /* EXTS_REQ */,
! 621: /* i w l s h */ HI(43) /* lhau */,
! 622: /* i w l s i */ ARCH_DEPEND(HI(33) /* lwzu */, HI(58) | ADDR_MODE2 | UPDATE_REQ | 0x2 /* lwa */),
! 623:
! 624: /* ---------- */
! 625: /* Indexed */
! 626: /* ---------- */
! 627:
! 628: /* No write-back. */
! 629:
! 630: /* x n s u w */ ARCH_DEPEND(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */),
! 631: /* x n s u b */ HI(31) | LO(215) /* stbx */,
! 632: /* x n s u h */ HI(31) | LO(407) /* sthx */,
! 633: /* x n s u i */ HI(31) | LO(151) /* stwx */,
! 634:
! 635: /* x n s s w */ ARCH_DEPEND(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */),
! 636: /* x n s s b */ HI(31) | LO(215) /* stbx */,
! 637: /* x n s s h */ HI(31) | LO(407) /* sthx */,
! 638: /* x n s s i */ HI(31) | LO(151) /* stwx */,
! 639:
! 640: /* x n l u w */ ARCH_DEPEND(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */),
! 641: /* x n l u b */ HI(31) | LO(87) /* lbzx */,
! 642: /* x n l u h */ HI(31) | LO(279) /* lhzx */,
! 643: /* x n l u i */ HI(31) | LO(23) /* lwzx */,
! 644:
! 645: /* x n l s w */ ARCH_DEPEND(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */),
! 646: /* x n l s b */ HI(31) | LO(87) /* lbzx */ /* EXTS_REQ */,
! 647: /* x n l s h */ HI(31) | LO(343) /* lhax */,
! 648: /* x n l s i */ ARCH_DEPEND(HI(31) | LO(23) /* lwzx */, HI(31) | LO(341) /* lwax */),
! 649:
! 650: /* Write-back. */
! 651:
! 652: /* x w s u w */ ARCH_DEPEND(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */),
! 653: /* x w s u b */ HI(31) | LO(247) /* stbux */,
! 654: /* x w s u h */ HI(31) | LO(439) /* sthux */,
! 655: /* x w s u i */ HI(31) | LO(183) /* stwux */,
! 656:
! 657: /* x w s s w */ ARCH_DEPEND(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */),
! 658: /* x w s s b */ HI(31) | LO(247) /* stbux */,
! 659: /* x w s s h */ HI(31) | LO(439) /* sthux */,
! 660: /* x w s s i */ HI(31) | LO(183) /* stwux */,
! 661:
! 662: /* x w l u w */ ARCH_DEPEND(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */),
! 663: /* x w l u b */ HI(31) | LO(119) /* lbzux */,
! 664: /* x w l u h */ HI(31) | LO(311) /* lhzux */,
! 665: /* x w l u i */ HI(31) | LO(55) /* lwzux */,
! 666:
! 667: /* x w l s w */ ARCH_DEPEND(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */),
! 668: /* x w l s b */ HI(31) | LO(119) /* lbzux */ /* EXTS_REQ */,
! 669: /* x w l s h */ HI(31) | LO(375) /* lhaux */,
! 670: /* x w l s i */ ARCH_DEPEND(HI(31) | LO(55) /* lwzux */, HI(31) | LO(373) /* lwaux */)
! 671:
! 672: };
! 673:
! 674: #undef ARCH_DEPEND
! 675:
! 676: /* Simple cases, (no caching is required). */
! 677: static int getput_arg_fast(struct sljit_compiler *compiler, int inp_flags, int reg, int arg, sljit_w argw)
! 678: {
! 679: sljit_ins inst;
! 680: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 681: int tmp_reg;
! 682: #endif
! 683:
! 684: SLJIT_ASSERT(arg & SLJIT_MEM);
! 685: if (!(arg & 0xf)) {
! 686: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 687: if (argw <= SIMM_MAX && argw >= SIMM_MIN) {
! 688: if (inp_flags & ARG_TEST)
! 689: return 1;
! 690:
! 691: inst = data_transfer_insts[(inp_flags & ~WRITE_BACK) & MEM_MASK];
! 692: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 693: push_inst(compiler, GET_INST_CODE(inst) | D(reg) | IMM(argw));
! 694: return -1;
! 695: }
! 696: #else
! 697: inst = data_transfer_insts[(inp_flags & ~WRITE_BACK) & MEM_MASK];
! 698: if (argw <= SIMM_MAX && argw >= SIMM_MIN &&
! 699: (!(inst & ADDR_MODE2) || (argw & 0x3) == 0)) {
! 700: if (inp_flags & ARG_TEST)
! 701: return 1;
! 702:
! 703: push_inst(compiler, GET_INST_CODE(inst) | D(reg) | IMM(argw));
! 704: return -1;
! 705: }
! 706: #endif
! 707: return (inp_flags & ARG_TEST) ? SLJIT_SUCCESS : 0;
! 708: }
! 709:
! 710: if (!(arg & 0xf0)) {
! 711: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 712: if (argw <= SIMM_MAX && argw >= SIMM_MIN) {
! 713: if (inp_flags & ARG_TEST)
! 714: return 1;
! 715:
! 716: inst = data_transfer_insts[inp_flags & MEM_MASK];
! 717: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 718: push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | IMM(argw));
! 719: return -1;
! 720: }
! 721: #else
! 722: inst = data_transfer_insts[inp_flags & MEM_MASK];
! 723: if (argw <= SIMM_MAX && argw >= SIMM_MIN && (!(inst & ADDR_MODE2) || (argw & 0x3) == 0)) {
! 724: if (inp_flags & ARG_TEST)
! 725: return 1;
! 726:
! 727: if ((inp_flags & WRITE_BACK) && (inst & UPDATE_REQ)) {
! 728: tmp_reg = (inp_flags & LOAD_DATA) ? (arg & 0xf) : TMP_REG3;
! 729: if (push_inst(compiler, ADDI | D(tmp_reg) | A(arg & 0xf) | IMM(argw)))
! 730: return -1;
! 731: arg = tmp_reg | SLJIT_MEM;
! 732: argw = 0;
! 733: }
! 734: push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | IMM(argw));
! 735: return -1;
! 736: }
! 737: #endif
! 738: }
! 739: else if (!(argw & 0x3)) {
! 740: if (inp_flags & ARG_TEST)
! 741: return 1;
! 742: inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
! 743: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 744: push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B((arg >> 4) & 0xf));
! 745: return -1;
! 746: }
! 747: return (inp_flags & ARG_TEST) ? SLJIT_SUCCESS : 0;
! 748: }
! 749:
! 750: /* See getput_arg below.
! 751: Note: can_cache is called only for binary operators. Those operator always
! 752: uses word arguments without write back. */
! 753: static int can_cache(int arg, sljit_w argw, int next_arg, sljit_w next_argw)
! 754: {
! 755: SLJIT_ASSERT(arg & SLJIT_MEM);
! 756: SLJIT_ASSERT(next_arg & SLJIT_MEM);
! 757:
! 758: if (!(arg & 0xf)) {
! 759: if ((next_arg & SLJIT_MEM) && ((sljit_uw)argw - (sljit_uw)next_argw <= SIMM_MAX || (sljit_uw)next_argw - (sljit_uw)argw <= SIMM_MAX))
! 760: return 1;
! 761: return 0;
! 762: }
! 763:
! 764: if (arg & 0xf0)
! 765: return 0;
! 766:
! 767: if (argw <= SIMM_MAX && argw >= SIMM_MIN) {
! 768: if (arg == next_arg && (next_argw >= SIMM_MAX && next_argw <= SIMM_MIN))
! 769: return 1;
! 770: }
! 771:
! 772: if (arg == next_arg && ((sljit_uw)argw - (sljit_uw)next_argw <= SIMM_MAX || (sljit_uw)next_argw - (sljit_uw)argw <= SIMM_MAX))
! 773: return 1;
! 774:
! 775: return 0;
! 776: }
! 777:
! 778: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 779: #define ADJUST_CACHED_IMM(imm) \
! 780: if ((inst & ADDR_MODE2) && (imm & 0x3)) { \
! 781: /* Adjust cached value. Fortunately this is really a rare case */ \
! 782: compiler->cache_argw += imm & 0x3; \
! 783: FAIL_IF(push_inst(compiler, ADDI | D(TMP_REG3) | A(TMP_REG3) | (imm & 0x3))); \
! 784: imm &= ~0x3; \
! 785: }
! 786: #else
! 787: #define ADJUST_CACHED_IMM(imm)
! 788: #endif
! 789:
! 790: /* Emit the necessary instructions. See can_cache above. */
! 791: static int getput_arg(struct sljit_compiler *compiler, int inp_flags, int reg, int arg, sljit_w argw, int next_arg, sljit_w next_argw)
! 792: {
! 793: int tmp_r;
! 794: sljit_ins inst;
! 795:
! 796: SLJIT_ASSERT(arg & SLJIT_MEM);
! 797:
! 798: tmp_r = (inp_flags & LOAD_DATA) ? reg : TMP_REG3;
! 799: if ((arg & 0xf) == tmp_r) {
! 800: /* Special case for "mov reg, [reg, ... ]".
! 801: Caching would not happen anyway. */
! 802: tmp_r = TMP_REG3;
! 803: compiler->cache_arg = 0;
! 804: compiler->cache_argw = 0;
! 805: }
! 806:
! 807: if (!(arg & 0xf)) {
! 808: inst = data_transfer_insts[(inp_flags & ~WRITE_BACK) & MEM_MASK];
! 809: if ((compiler->cache_arg & SLJIT_IMM) && (((sljit_uw)argw - (sljit_uw)compiler->cache_argw) <= SIMM_MAX || ((sljit_uw)compiler->cache_argw - (sljit_uw)argw) <= SIMM_MAX)) {
! 810: argw = argw - compiler->cache_argw;
! 811: ADJUST_CACHED_IMM(argw);
! 812: SLJIT_ASSERT(!(inst & UPDATE_REQ));
! 813: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(TMP_REG3) | IMM(argw));
! 814: }
! 815:
! 816: if ((next_arg & SLJIT_MEM) && (argw - next_argw <= SIMM_MAX || next_argw - argw <= SIMM_MAX)) {
! 817: SLJIT_ASSERT(inp_flags & LOAD_DATA);
! 818:
! 819: compiler->cache_arg = SLJIT_IMM;
! 820: compiler->cache_argw = argw;
! 821: tmp_r = TMP_REG3;
! 822: }
! 823:
! 824: FAIL_IF(load_immediate(compiler, tmp_r, argw));
! 825: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(tmp_r));
! 826: }
! 827:
! 828: if (SLJIT_UNLIKELY(arg & 0xf0)) {
! 829: argw &= 0x3;
! 830: /* Otherwise getput_arg_fast would capture it. */
! 831: SLJIT_ASSERT(argw);
! 832: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 833: FAIL_IF(push_inst(compiler, RLWINM | S((arg >> 4) & 0xf) | A(tmp_r) | (argw << 11) | ((31 - argw) << 1)));
! 834: #else
! 835: FAIL_IF(push_inst(compiler, RLDI(tmp_r, (arg >> 4) & 0xf, argw, 63 - argw, 1)));
! 836: #endif
! 837: inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
! 838: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 839: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(tmp_r));
! 840: }
! 841:
! 842: inst = data_transfer_insts[inp_flags & MEM_MASK];
! 843:
! 844: if (compiler->cache_arg == arg && ((sljit_uw)argw - (sljit_uw)compiler->cache_argw <= SIMM_MAX || (sljit_uw)compiler->cache_argw - (sljit_uw)argw <= SIMM_MAX)) {
! 845: SLJIT_ASSERT(!(inp_flags & WRITE_BACK));
! 846: argw = argw - compiler->cache_argw;
! 847: ADJUST_CACHED_IMM(argw);
! 848: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(TMP_REG3) | IMM(argw));
! 849: }
! 850:
! 851: if ((compiler->cache_arg & SLJIT_IMM) && compiler->cache_argw == argw) {
! 852: inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
! 853: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 854: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(TMP_REG3));
! 855: }
! 856:
! 857: if (argw == next_argw && (next_arg & SLJIT_MEM)) {
! 858: SLJIT_ASSERT(inp_flags & LOAD_DATA);
! 859: FAIL_IF(load_immediate(compiler, TMP_REG3, argw));
! 860:
! 861: compiler->cache_arg = SLJIT_IMM;
! 862: compiler->cache_argw = argw;
! 863:
! 864: inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
! 865: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 866: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(TMP_REG3));
! 867: }
! 868:
! 869: if (arg == next_arg && !(inp_flags & WRITE_BACK) && ((sljit_uw)argw - (sljit_uw)next_argw <= SIMM_MAX || (sljit_uw)next_argw - (sljit_uw)argw <= SIMM_MAX)) {
! 870: SLJIT_ASSERT(inp_flags & LOAD_DATA);
! 871: FAIL_IF(load_immediate(compiler, TMP_REG3, argw));
! 872: FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | A(TMP_REG3) | B(arg & 0xf)));
! 873:
! 874: compiler->cache_arg = arg;
! 875: compiler->cache_argw = argw;
! 876:
! 877: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(TMP_REG3));
! 878: }
! 879:
! 880: /* Get the indexed version instead of the normal one. */
! 881: inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
! 882: SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
! 883: FAIL_IF(load_immediate(compiler, tmp_r, argw));
! 884: return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(tmp_r));
! 885: }
! 886:
! 887: static int emit_op(struct sljit_compiler *compiler, int op, int inp_flags,
! 888: int dst, sljit_w dstw,
! 889: int src1, sljit_w src1w,
! 890: int src2, sljit_w src2w)
! 891: {
! 892: /* arg1 goes to TMP_REG1 or src reg
! 893: arg2 goes to TMP_REG2, imm or src reg
! 894: TMP_REG3 can be used for caching
! 895: result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
! 896: int dst_r;
! 897: int src1_r;
! 898: int src2_r;
! 899: int sugg_src2_r = TMP_REG2;
! 900: int flags = inp_flags & (ALT_FORM1 | ALT_FORM2 | ALT_FORM3 | ALT_FORM4 | ALT_FORM5 | ALT_FORM6 | ALT_SIGN_EXT | ALT_SET_FLAGS);
! 901:
! 902: compiler->cache_arg = 0;
! 903: compiler->cache_argw = 0;
! 904:
! 905: /* Destination check. */
! 906: if (dst >= SLJIT_TEMPORARY_REG1 && dst <= ZERO_REG) {
! 907: dst_r = dst;
! 908: flags |= REG_DEST;
! 909: if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI)
! 910: sugg_src2_r = dst_r;
! 911: }
! 912: else if (dst == SLJIT_UNUSED) {
! 913: if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI && !(src2 & SLJIT_MEM))
! 914: return SLJIT_SUCCESS;
! 915: dst_r = TMP_REG2;
! 916: }
! 917: else {
! 918: SLJIT_ASSERT(dst & SLJIT_MEM);
! 919: if (getput_arg_fast(compiler, inp_flags | ARG_TEST, TMP_REG2, dst, dstw)) {
! 920: flags |= FAST_DEST;
! 921: dst_r = TMP_REG2;
! 922: }
! 923: else {
! 924: flags |= SLOW_DEST;
! 925: dst_r = 0;
! 926: }
! 927: }
! 928:
! 929: /* Source 1. */
! 930: if (src1 >= SLJIT_TEMPORARY_REG1 && src1 <= ZERO_REG) {
! 931: src1_r = src1;
! 932: flags |= REG1_SOURCE;
! 933: }
! 934: else if (src1 & SLJIT_IMM) {
! 935: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 936: if ((inp_flags & 0x3) == INT_DATA) {
! 937: if (inp_flags & SIGNED_DATA)
! 938: src1w = (signed int)src1w;
! 939: else
! 940: src1w = (unsigned int)src1w;
! 941: }
! 942: #endif
! 943: FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
! 944: src1_r = TMP_REG1;
! 945: }
! 946: else if (getput_arg_fast(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w)) {
! 947: FAIL_IF(compiler->error);
! 948: src1_r = TMP_REG1;
! 949: }
! 950: else
! 951: src1_r = 0;
! 952:
! 953: /* Source 2. */
! 954: if (src2 >= SLJIT_TEMPORARY_REG1 && src2 <= ZERO_REG) {
! 955: src2_r = src2;
! 956: flags |= REG2_SOURCE;
! 957: if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_SI)
! 958: dst_r = src2_r;
! 959: }
! 960: else if (src2 & SLJIT_IMM) {
! 961: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 962: if ((inp_flags & 0x3) == INT_DATA) {
! 963: if (inp_flags & SIGNED_DATA)
! 964: src2w = (signed int)src2w;
! 965: else
! 966: src2w = (unsigned int)src2w;
! 967: }
! 968: #endif
! 969: FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
! 970: src2_r = sugg_src2_r;
! 971: }
! 972: else if (getput_arg_fast(compiler, inp_flags | LOAD_DATA, sugg_src2_r, src2, src2w)) {
! 973: FAIL_IF(compiler->error);
! 974: src2_r = sugg_src2_r;
! 975: }
! 976: else
! 977: src2_r = 0;
! 978:
! 979: /* src1_r, src2_r and dst_r can be zero (=unprocessed).
! 980: All arguments are complex addressing modes, and it is a binary operator. */
! 981: if (src1_r == 0 && src2_r == 0 && dst_r == 0) {
! 982: if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
! 983: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
! 984: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
! 985: }
! 986: else {
! 987: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
! 988: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
! 989: }
! 990: src1_r = TMP_REG1;
! 991: src2_r = TMP_REG2;
! 992: }
! 993: else if (src1_r == 0 && src2_r == 0) {
! 994: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
! 995: src1_r = TMP_REG1;
! 996: }
! 997: else if (src1_r == 0 && dst_r == 0) {
! 998: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
! 999: src1_r = TMP_REG1;
! 1000: }
! 1001: else if (src2_r == 0 && dst_r == 0) {
! 1002: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
! 1003: src2_r = sugg_src2_r;
! 1004: }
! 1005:
! 1006: if (dst_r == 0)
! 1007: dst_r = TMP_REG2;
! 1008:
! 1009: if (src1_r == 0) {
! 1010: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, 0, 0));
! 1011: src1_r = TMP_REG1;
! 1012: }
! 1013:
! 1014: if (src2_r == 0) {
! 1015: FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, sugg_src2_r, src2, src2w, 0, 0));
! 1016: src2_r = sugg_src2_r;
! 1017: }
! 1018:
! 1019: FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
! 1020:
! 1021: if (flags & (FAST_DEST | SLOW_DEST)) {
! 1022: if (flags & FAST_DEST)
! 1023: FAIL_IF(getput_arg_fast(compiler, inp_flags, dst_r, dst, dstw));
! 1024: else
! 1025: FAIL_IF(getput_arg(compiler, inp_flags, dst_r, dst, dstw, 0, 0));
! 1026: }
! 1027: return SLJIT_SUCCESS;
! 1028: }
! 1029:
! 1030: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op0(struct sljit_compiler *compiler, int op)
! 1031: {
! 1032: CHECK_ERROR();
! 1033: check_sljit_emit_op0(compiler, op);
! 1034:
! 1035: switch (GET_OPCODE(op)) {
! 1036: case SLJIT_BREAKPOINT:
! 1037: case SLJIT_NOP:
! 1038: return push_inst(compiler, NOP);
! 1039: break;
! 1040: case SLJIT_UMUL:
! 1041: case SLJIT_SMUL:
! 1042: FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG1)));
! 1043: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1044: FAIL_IF(push_inst(compiler, MULLD | D(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2)));
! 1045: return push_inst(compiler, (GET_OPCODE(op) == SLJIT_UMUL ? MULHDU : MULHD) | D(SLJIT_TEMPORARY_REG2) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2));
! 1046: #else
! 1047: FAIL_IF(push_inst(compiler, MULLW | D(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2)));
! 1048: return push_inst(compiler, (GET_OPCODE(op) == SLJIT_UMUL ? MULHWU : MULHW) | D(SLJIT_TEMPORARY_REG2) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2));
! 1049: #endif
! 1050: case SLJIT_UDIV:
! 1051: case SLJIT_SDIV:
! 1052: FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG1)));
! 1053: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1054: if (op & SLJIT_INT_OP) {
! 1055: FAIL_IF(push_inst(compiler, (GET_OPCODE(op) == SLJIT_UDIV ? DIVWU : DIVW) | D(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2)));
! 1056: FAIL_IF(push_inst(compiler, MULLW | D(SLJIT_TEMPORARY_REG2) | A(SLJIT_TEMPORARY_REG1) | B(SLJIT_TEMPORARY_REG2)));
! 1057: return push_inst(compiler, SUBF | D(SLJIT_TEMPORARY_REG2) | A(SLJIT_TEMPORARY_REG2) | B(TMP_REG1));
! 1058: }
! 1059: FAIL_IF(push_inst(compiler, (GET_OPCODE(op) == SLJIT_UDIV ? DIVDU : DIVD) | D(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2)));
! 1060: FAIL_IF(push_inst(compiler, MULLD | D(SLJIT_TEMPORARY_REG2) | A(SLJIT_TEMPORARY_REG1) | B(SLJIT_TEMPORARY_REG2)));
! 1061: return push_inst(compiler, SUBF | D(SLJIT_TEMPORARY_REG2) | A(SLJIT_TEMPORARY_REG2) | B(TMP_REG1));
! 1062: #else
! 1063: FAIL_IF(push_inst(compiler, (GET_OPCODE(op) == SLJIT_UDIV ? DIVWU : DIVW) | D(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2)));
! 1064: FAIL_IF(push_inst(compiler, MULLW | D(SLJIT_TEMPORARY_REG2) | A(SLJIT_TEMPORARY_REG1) | B(SLJIT_TEMPORARY_REG2)));
! 1065: return push_inst(compiler, SUBF | D(SLJIT_TEMPORARY_REG2) | A(SLJIT_TEMPORARY_REG2) | B(TMP_REG1));
! 1066: #endif
! 1067: }
! 1068:
! 1069: return SLJIT_SUCCESS;
! 1070: }
! 1071:
! 1072: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op1(struct sljit_compiler *compiler, int op,
! 1073: int dst, sljit_w dstw,
! 1074: int src, sljit_w srcw)
! 1075: {
! 1076: int inp_flags = GET_FLAGS(op) ? ALT_SET_FLAGS : 0;
! 1077:
! 1078: CHECK_ERROR();
! 1079: check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw);
! 1080:
! 1081: if ((src & SLJIT_IMM) && srcw == 0)
! 1082: src = ZERO_REG;
! 1083:
! 1084: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1085: if (op & SLJIT_INT_OP) {
! 1086: inp_flags |= INT_DATA | SIGNED_DATA;
! 1087: if (src & SLJIT_IMM)
! 1088: srcw = (int)srcw;
! 1089: }
! 1090: #endif
! 1091: if (op & SLJIT_SET_O)
! 1092: FAIL_IF(push_inst(compiler, MTXER | S(ZERO_REG)));
! 1093:
! 1094: switch (GET_OPCODE(op)) {
! 1095: case SLJIT_MOV:
! 1096: return emit_op(compiler, SLJIT_MOV, inp_flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
! 1097:
! 1098: case SLJIT_MOV_UI:
! 1099: return emit_op(compiler, SLJIT_MOV_UI, inp_flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
! 1100:
! 1101: case SLJIT_MOV_SI:
! 1102: return emit_op(compiler, SLJIT_MOV_SI, inp_flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
! 1103:
! 1104: case SLJIT_MOV_UB:
! 1105: return emit_op(compiler, SLJIT_MOV_UB, inp_flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw);
! 1106:
! 1107: case SLJIT_MOV_SB:
! 1108: return emit_op(compiler, SLJIT_MOV_SB, inp_flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw);
! 1109:
! 1110: case SLJIT_MOV_UH:
! 1111: return emit_op(compiler, SLJIT_MOV_UH, inp_flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw);
! 1112:
! 1113: case SLJIT_MOV_SH:
! 1114: return emit_op(compiler, SLJIT_MOV_SH, inp_flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw);
! 1115:
! 1116: case SLJIT_MOVU:
! 1117: return emit_op(compiler, SLJIT_MOV, inp_flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
! 1118:
! 1119: case SLJIT_MOVU_UI:
! 1120: return emit_op(compiler, SLJIT_MOV_UI, inp_flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
! 1121:
! 1122: case SLJIT_MOVU_SI:
! 1123: return emit_op(compiler, SLJIT_MOV_SI, inp_flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
! 1124:
! 1125: case SLJIT_MOVU_UB:
! 1126: return emit_op(compiler, SLJIT_MOV_UB, inp_flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw);
! 1127:
! 1128: case SLJIT_MOVU_SB:
! 1129: return emit_op(compiler, SLJIT_MOV_SB, inp_flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw);
! 1130:
! 1131: case SLJIT_MOVU_UH:
! 1132: return emit_op(compiler, SLJIT_MOV_UH, inp_flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw);
! 1133:
! 1134: case SLJIT_MOVU_SH:
! 1135: return emit_op(compiler, SLJIT_MOV_SH, inp_flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw);
! 1136:
! 1137: case SLJIT_NOT:
! 1138: return emit_op(compiler, SLJIT_NOT, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw);
! 1139:
! 1140: case SLJIT_NEG:
! 1141: return emit_op(compiler, SLJIT_NEG, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw);
! 1142:
! 1143: case SLJIT_CLZ:
! 1144: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1145: return emit_op(compiler, SLJIT_CLZ, inp_flags | (!(op & SLJIT_INT_OP) ? 0 : ALT_FORM1), dst, dstw, TMP_REG1, 0, src, srcw);
! 1146: #else
! 1147: return emit_op(compiler, SLJIT_CLZ, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw);
! 1148: #endif
! 1149: }
! 1150:
! 1151: return SLJIT_SUCCESS;
! 1152: }
! 1153:
! 1154: #define TEST_SL_IMM(src, srcw) \
! 1155: (((src) & SLJIT_IMM) && (srcw) <= SIMM_MAX && (srcw) >= SIMM_MIN)
! 1156:
! 1157: #define TEST_UL_IMM(src, srcw) \
! 1158: (((src) & SLJIT_IMM) && !((srcw) & ~0xffff))
! 1159:
! 1160: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1161: #define TEST_SH_IMM(src, srcw) \
! 1162: (((src) & SLJIT_IMM) && !((srcw) & 0xffff) && (srcw) <= SLJIT_W(0x7fffffff) && (srcw) >= SLJIT_W(-0x80000000))
! 1163: #else
! 1164: #define TEST_SH_IMM(src, srcw) \
! 1165: (((src) & SLJIT_IMM) && !((srcw) & 0xffff))
! 1166: #endif
! 1167:
! 1168: #define TEST_UH_IMM(src, srcw) \
! 1169: (((src) & SLJIT_IMM) && !((srcw) & ~0xffff0000))
! 1170:
! 1171: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1172: #define TEST_ADD_IMM(src, srcw) \
! 1173: (((src) & SLJIT_IMM) && (srcw) <= SLJIT_W(0x7fff7fff) && (srcw) >= SLJIT_W(-0x80000000))
! 1174: #else
! 1175: #define TEST_ADD_IMM(src, srcw) \
! 1176: ((src) & SLJIT_IMM)
! 1177: #endif
! 1178:
! 1179: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1180: #define TEST_UI_IMM(src, srcw) \
! 1181: (((src) & SLJIT_IMM) && !((srcw) & ~0xffffffff))
! 1182: #else
! 1183: #define TEST_UI_IMM(src, srcw) \
! 1184: ((src) & SLJIT_IMM)
! 1185: #endif
! 1186:
! 1187: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op2(struct sljit_compiler *compiler, int op,
! 1188: int dst, sljit_w dstw,
! 1189: int src1, sljit_w src1w,
! 1190: int src2, sljit_w src2w)
! 1191: {
! 1192: int inp_flags = GET_FLAGS(op) ? ALT_SET_FLAGS : 0;
! 1193:
! 1194: CHECK_ERROR();
! 1195: check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w);
! 1196:
! 1197: if ((src1 & SLJIT_IMM) && src1w == 0)
! 1198: src1 = ZERO_REG;
! 1199: if ((src2 & SLJIT_IMM) && src2w == 0)
! 1200: src2 = ZERO_REG;
! 1201:
! 1202: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1203: if (op & SLJIT_INT_OP) {
! 1204: inp_flags |= INT_DATA | SIGNED_DATA;
! 1205: if (src1 & SLJIT_IMM)
! 1206: src1w = (src1w << 32) >> 32;
! 1207: if (src2 & SLJIT_IMM)
! 1208: src2w = (src2w << 32) >> 32;
! 1209: if (GET_FLAGS(op))
! 1210: inp_flags |= ALT_SIGN_EXT;
! 1211: }
! 1212: #endif
! 1213: if (op & SLJIT_SET_O)
! 1214: FAIL_IF(push_inst(compiler, MTXER | S(ZERO_REG)));
! 1215:
! 1216: switch (GET_OPCODE(op)) {
! 1217: case SLJIT_ADD:
! 1218: if (!GET_FLAGS(op) && ((src1 | src2) & SLJIT_IMM)) {
! 1219: if (TEST_SL_IMM(src2, src2w)) {
! 1220: compiler->imm = src2w & 0xffff;
! 1221: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1222: }
! 1223: if (TEST_SL_IMM(src1, src1w)) {
! 1224: compiler->imm = src1w & 0xffff;
! 1225: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1226: }
! 1227: if (TEST_SH_IMM(src2, src2w)) {
! 1228: compiler->imm = (src2w >> 16) & 0xffff;
! 1229: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1230: }
! 1231: if (TEST_SH_IMM(src1, src1w)) {
! 1232: compiler->imm = (src1w >> 16) & 0xffff;
! 1233: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1234: }
! 1235: /* Range between -1 and -32768 is covered above. */
! 1236: if (TEST_ADD_IMM(src2, src2w)) {
! 1237: compiler->imm = src2w & 0xffffffff;
! 1238: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1239: }
! 1240: if (TEST_ADD_IMM(src1, src1w)) {
! 1241: compiler->imm = src1w & 0xffffffff;
! 1242: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM4, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1243: }
! 1244: }
! 1245: if (!(GET_FLAGS(op) & (SLJIT_SET_E | SLJIT_SET_O))) {
! 1246: if (TEST_SL_IMM(src2, src2w)) {
! 1247: compiler->imm = src2w & 0xffff;
! 1248: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1249: }
! 1250: if (TEST_SL_IMM(src1, src1w)) {
! 1251: compiler->imm = src1w & 0xffff;
! 1252: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1253: }
! 1254: }
! 1255: return emit_op(compiler, SLJIT_ADD, inp_flags, dst, dstw, src1, src1w, src2, src2w);
! 1256:
! 1257: case SLJIT_ADDC:
! 1258: return emit_op(compiler, SLJIT_ADDC, inp_flags | (!(op & SLJIT_KEEP_FLAGS) ? 0 : ALT_FORM1), dst, dstw, src1, src1w, src2, src2w);
! 1259:
! 1260: case SLJIT_SUB:
! 1261: if (!GET_FLAGS(op) && ((src1 | src2) & SLJIT_IMM)) {
! 1262: if (TEST_SL_IMM(src2, -src2w)) {
! 1263: compiler->imm = (-src2w) & 0xffff;
! 1264: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1265: }
! 1266: if (TEST_SL_IMM(src1, src1w)) {
! 1267: compiler->imm = src1w & 0xffff;
! 1268: return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1269: }
! 1270: if (TEST_SH_IMM(src2, -src2w)) {
! 1271: compiler->imm = ((-src2w) >> 16) & 0xffff;
! 1272: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1273: }
! 1274: /* Range between -1 and -32768 is covered above. */
! 1275: if (TEST_ADD_IMM(src2, -src2w)) {
! 1276: compiler->imm = -src2w & 0xffffffff;
! 1277: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1278: }
! 1279: }
! 1280: if (dst == SLJIT_UNUSED && (op & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U)) && !(op & (SLJIT_SET_O | SLJIT_SET_C))) {
! 1281: if (!(op & SLJIT_SET_U)) {
! 1282: /* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */
! 1283: if (TEST_SL_IMM(src2, src2w)) {
! 1284: compiler->imm = src2w & 0xffff;
! 1285: return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1286: }
! 1287: if (GET_FLAGS(op) == SLJIT_SET_E && TEST_SL_IMM(src1, src1w)) {
! 1288: compiler->imm = src1w & 0xffff;
! 1289: return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1290: }
! 1291: }
! 1292: if (!(op & (SLJIT_SET_E | SLJIT_SET_S))) {
! 1293: /* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */
! 1294: if (TEST_UL_IMM(src2, src2w)) {
! 1295: compiler->imm = src2w & 0xffff;
! 1296: return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1297: }
! 1298: return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w);
! 1299: }
! 1300: if ((src2 & SLJIT_IMM) && src2w >= 0 && src2w <= 0x7fff) {
! 1301: compiler->imm = src2w;
! 1302: return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1303: }
! 1304: return emit_op(compiler, SLJIT_SUB, inp_flags | ((op & SLJIT_SET_U) ? ALT_FORM4 : 0) | ((op & (SLJIT_SET_E | SLJIT_SET_S)) ? ALT_FORM5 : 0), dst, dstw, src1, src1w, src2, src2w);
! 1305: }
! 1306: if (!(op & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O))) {
! 1307: if (TEST_SL_IMM(src2, -src2w)) {
! 1308: compiler->imm = (-src2w) & 0xffff;
! 1309: return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1310: }
! 1311: }
! 1312: /* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */
! 1313: return emit_op(compiler, SLJIT_SUB, inp_flags | (!(op & SLJIT_SET_U) ? 0 : ALT_FORM6), dst, dstw, src1, src1w, src2, src2w);
! 1314:
! 1315: case SLJIT_SUBC:
! 1316: return emit_op(compiler, SLJIT_SUBC, inp_flags | (!(op & SLJIT_KEEP_FLAGS) ? 0 : ALT_FORM1), dst, dstw, src1, src1w, src2, src2w);
! 1317:
! 1318: case SLJIT_MUL:
! 1319: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1320: if (op & SLJIT_INT_OP)
! 1321: inp_flags |= ALT_FORM2;
! 1322: #endif
! 1323: if (!GET_FLAGS(op)) {
! 1324: if (TEST_SL_IMM(src2, src2w)) {
! 1325: compiler->imm = src2w & 0xffff;
! 1326: return emit_op(compiler, SLJIT_MUL, inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1327: }
! 1328: if (TEST_SL_IMM(src1, src1w)) {
! 1329: compiler->imm = src1w & 0xffff;
! 1330: return emit_op(compiler, SLJIT_MUL, inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1331: }
! 1332: }
! 1333: return emit_op(compiler, SLJIT_MUL, inp_flags, dst, dstw, src1, src1w, src2, src2w);
! 1334:
! 1335: case SLJIT_AND:
! 1336: case SLJIT_OR:
! 1337: case SLJIT_XOR:
! 1338: /* Commutative unsigned operations. */
! 1339: if (!GET_FLAGS(op) || GET_OPCODE(op) == SLJIT_AND) {
! 1340: if (TEST_UL_IMM(src2, src2w)) {
! 1341: compiler->imm = src2w;
! 1342: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1343: }
! 1344: if (TEST_UL_IMM(src1, src1w)) {
! 1345: compiler->imm = src1w;
! 1346: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1347: }
! 1348: if (TEST_UH_IMM(src2, src2w)) {
! 1349: compiler->imm = (src2w >> 16) & 0xffff;
! 1350: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1351: }
! 1352: if (TEST_UH_IMM(src1, src1w)) {
! 1353: compiler->imm = (src1w >> 16) & 0xffff;
! 1354: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1355: }
! 1356: }
! 1357: if (!GET_FLAGS(op) && GET_OPCODE(op) != SLJIT_AND) {
! 1358: if (TEST_UI_IMM(src2, src2w)) {
! 1359: compiler->imm = src2w;
! 1360: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1361: }
! 1362: if (TEST_UI_IMM(src1, src1w)) {
! 1363: compiler->imm = src1w;
! 1364: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0);
! 1365: }
! 1366: }
! 1367: return emit_op(compiler, GET_OPCODE(op), inp_flags, dst, dstw, src1, src1w, src2, src2w);
! 1368:
! 1369: case SLJIT_SHL:
! 1370: case SLJIT_LSHR:
! 1371: case SLJIT_ASHR:
! 1372: #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
! 1373: if (op & SLJIT_INT_OP)
! 1374: inp_flags |= ALT_FORM2;
! 1375: #endif
! 1376: if (src2 & SLJIT_IMM) {
! 1377: compiler->imm = src2w;
! 1378: return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
! 1379: }
! 1380: return emit_op(compiler, GET_OPCODE(op), inp_flags, dst, dstw, src1, src1w, src2, src2w);
! 1381: }
! 1382:
! 1383: return SLJIT_SUCCESS;
! 1384: }
! 1385:
! 1386: SLJIT_API_FUNC_ATTRIBUTE int sljit_get_register_index(int reg)
! 1387: {
! 1388: check_sljit_get_register_index(reg);
! 1389: return reg_map[reg];
! 1390: }
! 1391:
! 1392: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op_custom(struct sljit_compiler *compiler,
! 1393: void *instruction, int size)
! 1394: {
! 1395: CHECK_ERROR();
! 1396: check_sljit_emit_op_custom(compiler, instruction, size);
! 1397: SLJIT_ASSERT(size == 4);
! 1398:
! 1399: return push_inst(compiler, *(sljit_ins*)instruction);
! 1400: }
! 1401:
! 1402: /* --------------------------------------------------------------------- */
! 1403: /* Floating point operators */
! 1404: /* --------------------------------------------------------------------- */
! 1405:
! 1406: SLJIT_API_FUNC_ATTRIBUTE int sljit_is_fpu_available(void)
! 1407: {
! 1408: /* Always available. */
! 1409: return 1;
! 1410: }
! 1411:
! 1412: static int emit_fpu_data_transfer(struct sljit_compiler *compiler, int fpu_reg, int load, int arg, sljit_w argw)
! 1413: {
! 1414: SLJIT_ASSERT(arg & SLJIT_MEM);
! 1415:
! 1416: /* Fast loads and stores. */
! 1417: if (!(arg & 0xf0)) {
! 1418: /* Both for (arg & 0xf) == SLJIT_UNUSED and (arg & 0xf) != SLJIT_UNUSED. */
! 1419: if (argw <= SIMM_MAX && argw >= SIMM_MIN)
! 1420: return push_inst(compiler, (load ? LFD : STFD) | FD(fpu_reg) | A(arg & 0xf) | IMM(argw));
! 1421: }
! 1422:
! 1423: if (arg & 0xf0) {
! 1424: argw &= 0x3;
! 1425: if (argw) {
! 1426: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 1427: FAIL_IF(push_inst(compiler, RLWINM | S((arg >> 4) & 0xf) | A(TMP_REG2) | (argw << 11) | ((31 - argw) << 1)));
! 1428: #else
! 1429: FAIL_IF(push_inst(compiler, RLDI(TMP_REG2, (arg >> 4) & 0xf, argw, 63 - argw, 1)));
! 1430: #endif
! 1431: return push_inst(compiler, (load ? LFDX : STFDX) | FD(fpu_reg) | A(arg & 0xf) | B(TMP_REG2));
! 1432: }
! 1433: return push_inst(compiler, (load ? LFDX : STFDX) | FD(fpu_reg) | A(arg & 0xf) | B((arg >> 4) & 0xf));
! 1434: }
! 1435:
! 1436: /* Use cache. */
! 1437: if (compiler->cache_arg == arg && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN)
! 1438: return push_inst(compiler, (load ? LFD : STFD) | FD(fpu_reg) | A(TMP_REG3) | IMM(argw - compiler->cache_argw));
! 1439:
! 1440: /* Put value to cache. */
! 1441: compiler->cache_arg = arg;
! 1442: compiler->cache_argw = argw;
! 1443:
! 1444: FAIL_IF(load_immediate(compiler, TMP_REG3, argw));
! 1445: if (!(arg & 0xf))
! 1446: return push_inst(compiler, (load ? LFDX : STFDX) | FD(fpu_reg) | A(0) | B(TMP_REG3));
! 1447: return push_inst(compiler, (load ? LFDUX : STFDUX) | FD(fpu_reg) | A(TMP_REG3) | B(arg & 0xf));
! 1448: }
! 1449:
! 1450: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop1(struct sljit_compiler *compiler, int op,
! 1451: int dst, sljit_w dstw,
! 1452: int src, sljit_w srcw)
! 1453: {
! 1454: int dst_fr;
! 1455:
! 1456: CHECK_ERROR();
! 1457: check_sljit_emit_fop1(compiler, op, dst, dstw, src, srcw);
! 1458:
! 1459: compiler->cache_arg = 0;
! 1460: compiler->cache_argw = 0;
! 1461:
! 1462: if (GET_OPCODE(op) == SLJIT_FCMP) {
! 1463: if (dst > SLJIT_FLOAT_REG4) {
! 1464: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 1, dst, dstw));
! 1465: dst = TMP_FREG1;
! 1466: }
! 1467: if (src > SLJIT_FLOAT_REG4) {
! 1468: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG2, 1, src, srcw));
! 1469: src = TMP_FREG2;
! 1470: }
! 1471: return push_inst(compiler, FCMPU | CRD(4) | FA(dst) | FB(src));
! 1472: }
! 1473:
! 1474: dst_fr = (dst > SLJIT_FLOAT_REG4) ? TMP_FREG1 : dst;
! 1475:
! 1476: if (src > SLJIT_FLOAT_REG4) {
! 1477: FAIL_IF(emit_fpu_data_transfer(compiler, dst_fr, 1, src, srcw));
! 1478: src = dst_fr;
! 1479: }
! 1480:
! 1481: switch (op) {
! 1482: case SLJIT_FMOV:
! 1483: if (src != dst_fr && dst_fr != TMP_FREG1)
! 1484: FAIL_IF(push_inst(compiler, FMR | FD(dst_fr) | FB(src)));
! 1485: break;
! 1486: case SLJIT_FNEG:
! 1487: FAIL_IF(push_inst(compiler, FNEG | FD(dst_fr) | FB(src)));
! 1488: break;
! 1489: case SLJIT_FABS:
! 1490: FAIL_IF(push_inst(compiler, FABS | FD(dst_fr) | FB(src)));
! 1491: break;
! 1492: }
! 1493:
! 1494: if (dst_fr == TMP_FREG1)
! 1495: FAIL_IF(emit_fpu_data_transfer(compiler, src, 0, dst, dstw));
! 1496:
! 1497: return SLJIT_SUCCESS;
! 1498: }
! 1499:
! 1500: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop2(struct sljit_compiler *compiler, int op,
! 1501: int dst, sljit_w dstw,
! 1502: int src1, sljit_w src1w,
! 1503: int src2, sljit_w src2w)
! 1504: {
! 1505: int dst_fr;
! 1506:
! 1507: CHECK_ERROR();
! 1508: check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w);
! 1509:
! 1510: compiler->cache_arg = 0;
! 1511: compiler->cache_argw = 0;
! 1512:
! 1513: dst_fr = (dst > SLJIT_FLOAT_REG4) ? TMP_FREG1 : dst;
! 1514:
! 1515: if (src2 > SLJIT_FLOAT_REG4) {
! 1516: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG2, 1, src2, src2w));
! 1517: src2 = TMP_FREG2;
! 1518: }
! 1519:
! 1520: if (src1 > SLJIT_FLOAT_REG4) {
! 1521: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 1, src1, src1w));
! 1522: src1 = TMP_FREG1;
! 1523: }
! 1524:
! 1525: switch (op) {
! 1526: case SLJIT_FADD:
! 1527: FAIL_IF(push_inst(compiler, FADD | FD(dst_fr) | FA(src1) | FB(src2)));
! 1528: break;
! 1529:
! 1530: case SLJIT_FSUB:
! 1531: FAIL_IF(push_inst(compiler, FSUB | FD(dst_fr) | FA(src1) | FB(src2)));
! 1532: break;
! 1533:
! 1534: case SLJIT_FMUL:
! 1535: FAIL_IF(push_inst(compiler, FMUL | FD(dst_fr) | FA(src1) | FC(src2) /* FMUL use FC as src2 */));
! 1536: break;
! 1537:
! 1538: case SLJIT_FDIV:
! 1539: FAIL_IF(push_inst(compiler, FDIV | FD(dst_fr) | FA(src1) | FB(src2)));
! 1540: break;
! 1541: }
! 1542:
! 1543: if (dst_fr == TMP_FREG1)
! 1544: FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 0, dst, dstw));
! 1545:
! 1546: return SLJIT_SUCCESS;
! 1547: }
! 1548:
! 1549: /* --------------------------------------------------------------------- */
! 1550: /* Other instructions */
! 1551: /* --------------------------------------------------------------------- */
! 1552:
! 1553: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_enter(struct sljit_compiler *compiler, int dst, sljit_w dstw, int args, int temporaries, int saveds, int local_size)
! 1554: {
! 1555: CHECK_ERROR();
! 1556: check_sljit_emit_fast_enter(compiler, dst, dstw, args, temporaries, saveds, local_size);
! 1557:
! 1558: compiler->temporaries = temporaries;
! 1559: compiler->saveds = saveds;
! 1560:
! 1561: compiler->has_locals = local_size > 0;
! 1562: #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
! 1563: compiler->local_size = (2 + saveds + 2) * sizeof(sljit_w) + local_size;
! 1564: #else
! 1565: compiler->local_size = (2 + saveds + 7 + 8) * sizeof(sljit_w) + local_size;
! 1566: #endif
! 1567: compiler->local_size = (compiler->local_size + 15) & ~0xf;
! 1568:
! 1569: if (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS)
! 1570: return push_inst(compiler, MFLR | D(dst));
! 1571: else if (dst & SLJIT_MEM) {
! 1572: FAIL_IF(push_inst(compiler, MFLR | D(TMP_REG2)));
! 1573: return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0);
! 1574: }
! 1575:
! 1576: return SLJIT_SUCCESS;
! 1577: }
! 1578:
! 1579: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
! 1580: {
! 1581: CHECK_ERROR();
! 1582: check_sljit_emit_fast_return(compiler, src, srcw);
! 1583:
! 1584: if (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_NO_REGISTERS)
! 1585: FAIL_IF(push_inst(compiler, MTLR | S(src)));
! 1586: else {
! 1587: if (src & SLJIT_MEM)
! 1588: FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw));
! 1589: else if (src & SLJIT_IMM)
! 1590: FAIL_IF(load_immediate(compiler, TMP_REG2, srcw));
! 1591: FAIL_IF(push_inst(compiler, MTLR | S(TMP_REG2)));
! 1592: }
! 1593: return push_inst(compiler, BLR);
! 1594: }
! 1595:
! 1596: /* --------------------------------------------------------------------- */
! 1597: /* Conditional instructions */
! 1598: /* --------------------------------------------------------------------- */
! 1599:
! 1600: SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
! 1601: {
! 1602: struct sljit_label *label;
! 1603:
! 1604: CHECK_ERROR_PTR();
! 1605: check_sljit_emit_label(compiler);
! 1606:
! 1607: if (compiler->last_label && compiler->last_label->size == compiler->size)
! 1608: return compiler->last_label;
! 1609:
! 1610: label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
! 1611: PTR_FAIL_IF(!label);
! 1612: set_label(label, compiler);
! 1613: return label;
! 1614: }
! 1615:
! 1616: static sljit_ins get_bo_bi_flags(struct sljit_compiler *compiler, int type)
! 1617: {
! 1618: switch (type) {
! 1619: case SLJIT_C_EQUAL:
! 1620: return (12 << 21) | (2 << 16);
! 1621:
! 1622: case SLJIT_C_NOT_EQUAL:
! 1623: return (4 << 21) | (2 << 16);
! 1624:
! 1625: case SLJIT_C_LESS:
! 1626: case SLJIT_C_FLOAT_LESS:
! 1627: return (12 << 21) | ((4 + 0) << 16);
! 1628:
! 1629: case SLJIT_C_GREATER_EQUAL:
! 1630: case SLJIT_C_FLOAT_GREATER_EQUAL:
! 1631: return (4 << 21) | ((4 + 0) << 16);
! 1632:
! 1633: case SLJIT_C_GREATER:
! 1634: case SLJIT_C_FLOAT_GREATER:
! 1635: return (12 << 21) | ((4 + 1) << 16);
! 1636:
! 1637: case SLJIT_C_LESS_EQUAL:
! 1638: case SLJIT_C_FLOAT_LESS_EQUAL:
! 1639: return (4 << 21) | ((4 + 1) << 16);
! 1640:
! 1641: case SLJIT_C_SIG_LESS:
! 1642: return (12 << 21) | (0 << 16);
! 1643:
! 1644: case SLJIT_C_SIG_GREATER_EQUAL:
! 1645: return (4 << 21) | (0 << 16);
! 1646:
! 1647: case SLJIT_C_SIG_GREATER:
! 1648: return (12 << 21) | (1 << 16);
! 1649:
! 1650: case SLJIT_C_SIG_LESS_EQUAL:
! 1651: return (4 << 21) | (1 << 16);
! 1652:
! 1653: case SLJIT_C_OVERFLOW:
! 1654: case SLJIT_C_MUL_OVERFLOW:
! 1655: return (12 << 21) | (3 << 16);
! 1656:
! 1657: case SLJIT_C_NOT_OVERFLOW:
! 1658: case SLJIT_C_MUL_NOT_OVERFLOW:
! 1659: return (4 << 21) | (3 << 16);
! 1660:
! 1661: case SLJIT_C_FLOAT_EQUAL:
! 1662: return (12 << 21) | ((4 + 2) << 16);
! 1663:
! 1664: case SLJIT_C_FLOAT_NOT_EQUAL:
! 1665: return (4 << 21) | ((4 + 2) << 16);
! 1666:
! 1667: case SLJIT_C_FLOAT_NAN:
! 1668: return (12 << 21) | ((4 + 3) << 16);
! 1669:
! 1670: case SLJIT_C_FLOAT_NOT_NAN:
! 1671: return (4 << 21) | ((4 + 3) << 16);
! 1672:
! 1673: default:
! 1674: SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL3);
! 1675: return (20 << 21);
! 1676: }
! 1677: }
! 1678:
! 1679: SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, int type)
! 1680: {
! 1681: struct sljit_jump *jump;
! 1682: sljit_ins bo_bi_flags;
! 1683:
! 1684: CHECK_ERROR_PTR();
! 1685: check_sljit_emit_jump(compiler, type);
! 1686:
! 1687: bo_bi_flags = get_bo_bi_flags(compiler, type & 0xff);
! 1688: if (!bo_bi_flags)
! 1689: return NULL;
! 1690:
! 1691: jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
! 1692: PTR_FAIL_IF(!jump);
! 1693: set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
! 1694: type &= 0xff;
! 1695:
! 1696: /* In PPC, we don't need to touch the arguments. */
! 1697: if (type >= SLJIT_JUMP)
! 1698: jump->flags |= UNCOND_B;
! 1699:
! 1700: PTR_FAIL_IF(emit_const(compiler, TMP_REG1, 0));
! 1701: PTR_FAIL_IF(push_inst(compiler, MTCTR | S(TMP_REG1)));
! 1702: jump->addr = compiler->size;
! 1703: PTR_FAIL_IF(push_inst(compiler, BCCTR | bo_bi_flags | (type >= SLJIT_FAST_CALL ? 1 : 0)));
! 1704: return jump;
! 1705: }
! 1706:
! 1707: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_ijump(struct sljit_compiler *compiler, int type, int src, sljit_w srcw)
! 1708: {
! 1709: sljit_ins bo_bi_flags;
! 1710: struct sljit_jump *jump = NULL;
! 1711: int src_r;
! 1712:
! 1713: CHECK_ERROR();
! 1714: check_sljit_emit_ijump(compiler, type, src, srcw);
! 1715:
! 1716: bo_bi_flags = get_bo_bi_flags(compiler, type);
! 1717: FAIL_IF(!bo_bi_flags);
! 1718:
! 1719: if (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_NO_REGISTERS)
! 1720: src_r = src;
! 1721: else if (src & SLJIT_IMM) {
! 1722: jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
! 1723: FAIL_IF(!jump);
! 1724: set_jump(jump, compiler, JUMP_ADDR | UNCOND_B);
! 1725: jump->u.target = srcw;
! 1726:
! 1727: FAIL_IF(emit_const(compiler, TMP_REG2, 0));
! 1728: src_r = TMP_REG2;
! 1729: }
! 1730: else {
! 1731: FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw));
! 1732: src_r = TMP_REG2;
! 1733: }
! 1734:
! 1735: FAIL_IF(push_inst(compiler, MTCTR | S(src_r)));
! 1736: if (jump)
! 1737: jump->addr = compiler->size;
! 1738: return push_inst(compiler, BCCTR | bo_bi_flags | (type >= SLJIT_FAST_CALL ? 1 : 0));
! 1739: }
! 1740:
! 1741: /* Get a bit from CR, all other bits are zeroed. */
! 1742: #define GET_CR_BIT(bit, dst) \
! 1743: FAIL_IF(push_inst(compiler, MFCR | D(dst))); \
! 1744: FAIL_IF(push_inst(compiler, RLWINM | S(dst) | A(dst) | ((1 + (bit)) << 11) | (31 << 6) | (31 << 1)));
! 1745:
! 1746: #define INVERT_BIT(dst) \
! 1747: FAIL_IF(push_inst(compiler, XORI | S(dst) | A(dst) | 0x1));
! 1748:
! 1749: SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_cond_value(struct sljit_compiler *compiler, int op, int dst, sljit_w dstw, int type)
! 1750: {
! 1751: int reg;
! 1752:
! 1753: CHECK_ERROR();
! 1754: check_sljit_emit_cond_value(compiler, op, dst, dstw, type);
! 1755:
! 1756: if (dst == SLJIT_UNUSED)
! 1757: return SLJIT_SUCCESS;
! 1758:
! 1759: reg = (op == SLJIT_MOV && dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG2;
! 1760:
! 1761: switch (type) {
! 1762: case SLJIT_C_EQUAL:
! 1763: GET_CR_BIT(2, reg);
! 1764: break;
! 1765:
! 1766: case SLJIT_C_NOT_EQUAL:
! 1767: GET_CR_BIT(2, reg);
! 1768: INVERT_BIT(reg);
! 1769: break;
! 1770:
! 1771: case SLJIT_C_LESS:
! 1772: case SLJIT_C_FLOAT_LESS:
! 1773: GET_CR_BIT(4 + 0, reg);
! 1774: break;
! 1775:
! 1776: case SLJIT_C_GREATER_EQUAL:
! 1777: case SLJIT_C_FLOAT_GREATER_EQUAL:
! 1778: GET_CR_BIT(4 + 0, reg);
! 1779: INVERT_BIT(reg);
! 1780: break;
! 1781:
! 1782: case SLJIT_C_GREATER:
! 1783: case SLJIT_C_FLOAT_GREATER:
! 1784: GET_CR_BIT(4 + 1, reg);
! 1785: break;
! 1786:
! 1787: case SLJIT_C_LESS_EQUAL:
! 1788: case SLJIT_C_FLOAT_LESS_EQUAL:
! 1789: GET_CR_BIT(4 + 1, reg);
! 1790: INVERT_BIT(reg);
! 1791: break;
! 1792:
! 1793: case SLJIT_C_SIG_LESS:
! 1794: GET_CR_BIT(0, reg);
! 1795: break;
! 1796:
! 1797: case SLJIT_C_SIG_GREATER_EQUAL:
! 1798: GET_CR_BIT(0, reg);
! 1799: INVERT_BIT(reg);
! 1800: break;
! 1801:
! 1802: case SLJIT_C_SIG_GREATER:
! 1803: GET_CR_BIT(1, reg);
! 1804: break;
! 1805:
! 1806: case SLJIT_C_SIG_LESS_EQUAL:
! 1807: GET_CR_BIT(1, reg);
! 1808: INVERT_BIT(reg);
! 1809: break;
! 1810:
! 1811: case SLJIT_C_OVERFLOW:
! 1812: case SLJIT_C_MUL_OVERFLOW:
! 1813: GET_CR_BIT(3, reg);
! 1814: break;
! 1815:
! 1816: case SLJIT_C_NOT_OVERFLOW:
! 1817: case SLJIT_C_MUL_NOT_OVERFLOW:
! 1818: GET_CR_BIT(3, reg);
! 1819: INVERT_BIT(reg);
! 1820: break;
! 1821:
! 1822: case SLJIT_C_FLOAT_EQUAL:
! 1823: GET_CR_BIT(4 + 2, reg);
! 1824: break;
! 1825:
! 1826: case SLJIT_C_FLOAT_NOT_EQUAL:
! 1827: GET_CR_BIT(4 + 2, reg);
! 1828: INVERT_BIT(reg);
! 1829: break;
! 1830:
! 1831: case SLJIT_C_FLOAT_NAN:
! 1832: GET_CR_BIT(4 + 3, reg);
! 1833: break;
! 1834:
! 1835: case SLJIT_C_FLOAT_NOT_NAN:
! 1836: GET_CR_BIT(4 + 3, reg);
! 1837: INVERT_BIT(reg);
! 1838: break;
! 1839:
! 1840: default:
! 1841: SLJIT_ASSERT_STOP();
! 1842: break;
! 1843: }
! 1844:
! 1845: if (GET_OPCODE(op) == SLJIT_OR)
! 1846: return emit_op(compiler, GET_OPCODE(op), GET_FLAGS(op) ? ALT_SET_FLAGS : 0, dst, dstw, dst, dstw, TMP_REG2, 0);
! 1847:
! 1848: if (reg == TMP_REG2)
! 1849: return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0);
! 1850: return SLJIT_SUCCESS;
! 1851: }
! 1852:
! 1853: SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, int dst, sljit_w dstw, sljit_w init_value)
! 1854: {
! 1855: struct sljit_const *const_;
! 1856: int reg;
! 1857:
! 1858: CHECK_ERROR_PTR();
! 1859: check_sljit_emit_const(compiler, dst, dstw, init_value);
! 1860:
! 1861: const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
! 1862: PTR_FAIL_IF(!const_);
! 1863: set_const(const_, compiler);
! 1864:
! 1865: reg = (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG2;
! 1866:
! 1867: PTR_FAIL_IF(emit_const(compiler, reg, init_value));
! 1868:
! 1869: if (dst & SLJIT_MEM)
! 1870: PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0));
! 1871: return const_;
! 1872: }
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