| /* |
| * Stack-less Just-In-Time compiler |
| * |
| * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, are |
| * permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, this list of |
| * conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright notice, this list |
| * of conditions and the following disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
| * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED |
| * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| SLJIT_API_FUNC_ATTRIBUTE SLJIT_CONST char* sljit_get_platform_name(void) |
| { |
| return "PowerPC" SLJIT_CPUINFO; |
| } |
| |
| /* Length of an instruction word. |
| Both for ppc-32 and ppc-64. */ |
| typedef sljit_ui sljit_ins; |
| |
| #if ((defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) && (defined _AIX)) \ |
| || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| #define SLJIT_PPC_STACK_FRAME_V2 1 |
| #endif |
| |
| #ifdef _AIX |
| #include <sys/cache.h> |
| #endif |
| |
| #if (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN) |
| #define SLJIT_PASS_ENTRY_ADDR_TO_CALL 1 |
| #endif |
| |
| static void ppc_cache_flush(sljit_ins *from, sljit_ins *to) |
| { |
| #ifdef _AIX |
| _sync_cache_range((caddr_t)from, (int)((size_t)to - (size_t)from)); |
| #elif defined(__GNUC__) || (defined(__IBM_GCC_ASM) && __IBM_GCC_ASM) |
| # if defined(_ARCH_PWR) || defined(_ARCH_PWR2) |
| /* Cache flush for POWER architecture. */ |
| while (from < to) { |
| __asm__ volatile ( |
| "clf 0, %0\n" |
| "dcs\n" |
| : : "r"(from) |
| ); |
| from++; |
| } |
| __asm__ volatile ( "ics" ); |
| # elif defined(_ARCH_COM) && !defined(_ARCH_PPC) |
| # error "Cache flush is not implemented for PowerPC/POWER common mode." |
| # else |
| /* Cache flush for PowerPC architecture. */ |
| while (from < to) { |
| __asm__ volatile ( |
| "dcbf 0, %0\n" |
| "sync\n" |
| "icbi 0, %0\n" |
| : : "r"(from) |
| ); |
| from++; |
| } |
| __asm__ volatile ( "isync" ); |
| # endif |
| # ifdef __xlc__ |
| # warning "This file may fail to compile if -qfuncsect is used" |
| # endif |
| #elif defined(__xlc__) |
| #error "Please enable GCC syntax for inline assembly statements with -qasm=gcc" |
| #else |
| #error "This platform requires a cache flush implementation." |
| #endif /* _AIX */ |
| } |
| |
| #define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2) |
| #define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3) |
| #define TMP_REG3 (SLJIT_NUMBER_OF_REGISTERS + 4) |
| #define TMP_ZERO (SLJIT_NUMBER_OF_REGISTERS + 5) |
| |
| #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) |
| #define TMP_CALL_REG (SLJIT_NUMBER_OF_REGISTERS + 6) |
| #else |
| #define TMP_CALL_REG TMP_REG2 |
| #endif |
| |
| #define TMP_FREG1 (0) |
| #define TMP_FREG2 (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1) |
| |
| static SLJIT_CONST sljit_ub reg_map[SLJIT_NUMBER_OF_REGISTERS + 7] = { |
| 0, 3, 4, 5, 6, 7, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 1, 8, 9, 10, 31, 12 |
| }; |
| |
| /* --------------------------------------------------------------------- */ |
| /* Instrucion forms */ |
| /* --------------------------------------------------------------------- */ |
| #define D(d) (reg_map[d] << 21) |
| #define S(s) (reg_map[s] << 21) |
| #define A(a) (reg_map[a] << 16) |
| #define B(b) (reg_map[b] << 11) |
| #define C(c) (reg_map[c] << 6) |
| #define FD(fd) ((fd) << 21) |
| #define FS(fs) ((fs) << 21) |
| #define FA(fa) ((fa) << 16) |
| #define FB(fb) ((fb) << 11) |
| #define FC(fc) ((fc) << 6) |
| #define IMM(imm) ((imm) & 0xffff) |
| #define CRD(d) ((d) << 21) |
| |
| /* Instruction bit sections. |
| OE and Rc flag (see ALT_SET_FLAGS). */ |
| #define OERC(flags) (((flags & ALT_SET_FLAGS) >> 10) | (flags & ALT_SET_FLAGS)) |
| /* Rc flag (see ALT_SET_FLAGS). */ |
| #define RC(flags) ((flags & ALT_SET_FLAGS) >> 10) |
| #define HI(opcode) ((opcode) << 26) |
| #define LO(opcode) ((opcode) << 1) |
| |
| #define ADD (HI(31) | LO(266)) |
| #define ADDC (HI(31) | LO(10)) |
| #define ADDE (HI(31) | LO(138)) |
| #define ADDI (HI(14)) |
| #define ADDIC (HI(13)) |
| #define ADDIS (HI(15)) |
| #define ADDME (HI(31) | LO(234)) |
| #define AND (HI(31) | LO(28)) |
| #define ANDI (HI(28)) |
| #define ANDIS (HI(29)) |
| #define Bx (HI(18)) |
| #define BCx (HI(16)) |
| #define BCCTR (HI(19) | LO(528) | (3 << 11)) |
| #define BLR (HI(19) | LO(16) | (0x14 << 21)) |
| #define CNTLZD (HI(31) | LO(58)) |
| #define CNTLZW (HI(31) | LO(26)) |
| #define CMP (HI(31) | LO(0)) |
| #define CMPI (HI(11)) |
| #define CMPL (HI(31) | LO(32)) |
| #define CMPLI (HI(10)) |
| #define CROR (HI(19) | LO(449)) |
| #define DIVD (HI(31) | LO(489)) |
| #define DIVDU (HI(31) | LO(457)) |
| #define DIVW (HI(31) | LO(491)) |
| #define DIVWU (HI(31) | LO(459)) |
| #define EXTSB (HI(31) | LO(954)) |
| #define EXTSH (HI(31) | LO(922)) |
| #define EXTSW (HI(31) | LO(986)) |
| #define FABS (HI(63) | LO(264)) |
| #define FADD (HI(63) | LO(21)) |
| #define FADDS (HI(59) | LO(21)) |
| #define FCFID (HI(63) | LO(846)) |
| #define FCMPU (HI(63) | LO(0)) |
| #define FCTIDZ (HI(63) | LO(815)) |
| #define FCTIWZ (HI(63) | LO(15)) |
| #define FDIV (HI(63) | LO(18)) |
| #define FDIVS (HI(59) | LO(18)) |
| #define FMR (HI(63) | LO(72)) |
| #define FMUL (HI(63) | LO(25)) |
| #define FMULS (HI(59) | LO(25)) |
| #define FNEG (HI(63) | LO(40)) |
| #define FRSP (HI(63) | LO(12)) |
| #define FSUB (HI(63) | LO(20)) |
| #define FSUBS (HI(59) | LO(20)) |
| #define LD (HI(58) | 0) |
| #define LWZ (HI(32)) |
| #define MFCR (HI(31) | LO(19)) |
| #define MFLR (HI(31) | LO(339) | 0x80000) |
| #define MFXER (HI(31) | LO(339) | 0x10000) |
| #define MTCTR (HI(31) | LO(467) | 0x90000) |
| #define MTLR (HI(31) | LO(467) | 0x80000) |
| #define MTXER (HI(31) | LO(467) | 0x10000) |
| #define MULHD (HI(31) | LO(73)) |
| #define MULHDU (HI(31) | LO(9)) |
| #define MULHW (HI(31) | LO(75)) |
| #define MULHWU (HI(31) | LO(11)) |
| #define MULLD (HI(31) | LO(233)) |
| #define MULLI (HI(7)) |
| #define MULLW (HI(31) | LO(235)) |
| #define NEG (HI(31) | LO(104)) |
| #define NOP (HI(24)) |
| #define NOR (HI(31) | LO(124)) |
| #define OR (HI(31) | LO(444)) |
| #define ORI (HI(24)) |
| #define ORIS (HI(25)) |
| #define RLDICL (HI(30)) |
| #define RLWINM (HI(21)) |
| #define SLD (HI(31) | LO(27)) |
| #define SLW (HI(31) | LO(24)) |
| #define SRAD (HI(31) | LO(794)) |
| #define SRADI (HI(31) | LO(413 << 1)) |
| #define SRAW (HI(31) | LO(792)) |
| #define SRAWI (HI(31) | LO(824)) |
| #define SRD (HI(31) | LO(539)) |
| #define SRW (HI(31) | LO(536)) |
| #define STD (HI(62) | 0) |
| #define STDU (HI(62) | 1) |
| #define STDUX (HI(31) | LO(181)) |
| #define STFIWX (HI(31) | LO(983)) |
| #define STW (HI(36)) |
| #define STWU (HI(37)) |
| #define STWUX (HI(31) | LO(183)) |
| #define SUBF (HI(31) | LO(40)) |
| #define SUBFC (HI(31) | LO(8)) |
| #define SUBFE (HI(31) | LO(136)) |
| #define SUBFIC (HI(8)) |
| #define XOR (HI(31) | LO(316)) |
| #define XORI (HI(26)) |
| #define XORIS (HI(27)) |
| |
| #define SIMM_MAX (0x7fff) |
| #define SIMM_MIN (-0x8000) |
| #define UIMM_MAX (0xffff) |
| |
| #if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) |
| SLJIT_API_FUNC_ATTRIBUTE void sljit_set_function_context(void** func_ptr, struct sljit_function_context* context, sljit_sw addr, void* func) |
| { |
| sljit_sw* ptrs; |
| if (func_ptr) |
| *func_ptr = (void*)context; |
| ptrs = (sljit_sw*)func; |
| context->addr = addr ? addr : ptrs[0]; |
| context->r2 = ptrs[1]; |
| context->r11 = ptrs[2]; |
| } |
| #endif |
| |
| static sljit_si push_inst(struct sljit_compiler *compiler, sljit_ins ins) |
| { |
| sljit_ins *ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); |
| FAIL_IF(!ptr); |
| *ptr = ins; |
| compiler->size++; |
| return SLJIT_SUCCESS; |
| } |
| |
| static SLJIT_INLINE sljit_si detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code) |
| { |
| sljit_sw diff; |
| sljit_uw target_addr; |
| sljit_sw extra_jump_flags; |
| |
| #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) && (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| if (jump->flags & (SLJIT_REWRITABLE_JUMP | IS_CALL)) |
| return 0; |
| #else |
| if (jump->flags & SLJIT_REWRITABLE_JUMP) |
| return 0; |
| #endif |
| |
| if (jump->flags & JUMP_ADDR) |
| target_addr = jump->u.target; |
| else { |
| SLJIT_ASSERT(jump->flags & JUMP_LABEL); |
| target_addr = (sljit_uw)(code + jump->u.label->size); |
| } |
| |
| #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) && (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if (jump->flags & IS_CALL) |
| goto keep_address; |
| #endif |
| |
| diff = ((sljit_sw)target_addr - (sljit_sw)(code_ptr)) & ~0x3l; |
| |
| extra_jump_flags = 0; |
| if (jump->flags & IS_COND) { |
| if (diff <= 0x7fff && diff >= -0x8000) { |
| jump->flags |= PATCH_B; |
| return 1; |
| } |
| if (target_addr <= 0xffff) { |
| jump->flags |= PATCH_B | PATCH_ABS_B; |
| return 1; |
| } |
| extra_jump_flags = REMOVE_COND; |
| |
| diff -= sizeof(sljit_ins); |
| } |
| |
| if (diff <= 0x01ffffff && diff >= -0x02000000) { |
| jump->flags |= PATCH_B | extra_jump_flags; |
| return 1; |
| } |
| if (target_addr <= 0x03ffffff) { |
| jump->flags |= PATCH_B | PATCH_ABS_B | extra_jump_flags; |
| return 1; |
| } |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) |
| keep_address: |
| #endif |
| if (target_addr <= 0x7fffffff) { |
| jump->flags |= PATCH_ABS32; |
| return 1; |
| } |
| if (target_addr <= 0x7fffffffffffl) { |
| jump->flags |= PATCH_ABS48; |
| return 1; |
| } |
| #endif |
| |
| return 0; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler) |
| { |
| struct sljit_memory_fragment *buf; |
| sljit_ins *code; |
| sljit_ins *code_ptr; |
| sljit_ins *buf_ptr; |
| sljit_ins *buf_end; |
| sljit_uw word_count; |
| sljit_uw addr; |
| |
| struct sljit_label *label; |
| struct sljit_jump *jump; |
| struct sljit_const *const_; |
| |
| CHECK_ERROR_PTR(); |
| CHECK_PTR(check_sljit_generate_code(compiler)); |
| reverse_buf(compiler); |
| |
| #if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| compiler->size += (compiler->size & 0x1) + (sizeof(struct sljit_function_context) / sizeof(sljit_ins)); |
| #else |
| compiler->size += (sizeof(struct sljit_function_context) / sizeof(sljit_ins)); |
| #endif |
| #endif |
| code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins)); |
| PTR_FAIL_WITH_EXEC_IF(code); |
| buf = compiler->buf; |
| |
| code_ptr = code; |
| word_count = 0; |
| label = compiler->labels; |
| jump = compiler->jumps; |
| const_ = compiler->consts; |
| do { |
| buf_ptr = (sljit_ins*)buf->memory; |
| buf_end = buf_ptr + (buf->used_size >> 2); |
| do { |
| *code_ptr = *buf_ptr++; |
| SLJIT_ASSERT(!label || label->size >= word_count); |
| SLJIT_ASSERT(!jump || jump->addr >= word_count); |
| SLJIT_ASSERT(!const_ || const_->addr >= word_count); |
| /* These structures are ordered by their address. */ |
| if (label && label->size == word_count) { |
| /* Just recording the address. */ |
| label->addr = (sljit_uw)code_ptr; |
| label->size = code_ptr - code; |
| label = label->next; |
| } |
| if (jump && jump->addr == word_count) { |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| jump->addr = (sljit_uw)(code_ptr - 3); |
| #else |
| jump->addr = (sljit_uw)(code_ptr - 6); |
| #endif |
| if (detect_jump_type(jump, code_ptr, code)) { |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| code_ptr[-3] = code_ptr[0]; |
| code_ptr -= 3; |
| #else |
| if (jump->flags & PATCH_ABS32) { |
| code_ptr -= 3; |
| code_ptr[-1] = code_ptr[2]; |
| code_ptr[0] = code_ptr[3]; |
| } |
| else if (jump->flags & PATCH_ABS48) { |
| code_ptr--; |
| code_ptr[-1] = code_ptr[0]; |
| code_ptr[0] = code_ptr[1]; |
| /* rldicr rX,rX,32,31 -> rX,rX,16,47 */ |
| SLJIT_ASSERT((code_ptr[-3] & 0xfc00ffff) == 0x780007c6); |
| code_ptr[-3] ^= 0x8422; |
| /* oris -> ori */ |
| code_ptr[-2] ^= 0x4000000; |
| } |
| else { |
| code_ptr[-6] = code_ptr[0]; |
| code_ptr -= 6; |
| } |
| #endif |
| if (jump->flags & REMOVE_COND) { |
| code_ptr[0] = BCx | (2 << 2) | ((code_ptr[0] ^ (8 << 21)) & 0x03ff0001); |
| code_ptr++; |
| jump->addr += sizeof(sljit_ins); |
| code_ptr[0] = Bx; |
| jump->flags -= IS_COND; |
| } |
| } |
| jump = jump->next; |
| } |
| if (const_ && const_->addr == word_count) { |
| const_->addr = (sljit_uw)code_ptr; |
| const_ = const_->next; |
| } |
| code_ptr ++; |
| word_count ++; |
| } while (buf_ptr < buf_end); |
| |
| buf = buf->next; |
| } while (buf); |
| |
| if (label && label->size == word_count) { |
| label->addr = (sljit_uw)code_ptr; |
| label->size = code_ptr - code; |
| label = label->next; |
| } |
| |
| SLJIT_ASSERT(!label); |
| SLJIT_ASSERT(!jump); |
| SLJIT_ASSERT(!const_); |
| #if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) |
| SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size - (sizeof(struct sljit_function_context) / sizeof(sljit_ins))); |
| #else |
| SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size); |
| #endif |
| |
| jump = compiler->jumps; |
| while (jump) { |
| do { |
| addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target; |
| buf_ptr = (sljit_ins*)jump->addr; |
| if (jump->flags & PATCH_B) { |
| if (jump->flags & IS_COND) { |
| if (!(jump->flags & PATCH_ABS_B)) { |
| addr = addr - jump->addr; |
| SLJIT_ASSERT((sljit_sw)addr <= 0x7fff && (sljit_sw)addr >= -0x8000); |
| *buf_ptr = BCx | (addr & 0xfffc) | ((*buf_ptr) & 0x03ff0001); |
| } |
| else { |
| SLJIT_ASSERT(addr <= 0xffff); |
| *buf_ptr = BCx | (addr & 0xfffc) | 0x2 | ((*buf_ptr) & 0x03ff0001); |
| } |
| } |
| else { |
| if (!(jump->flags & PATCH_ABS_B)) { |
| addr = addr - jump->addr; |
| SLJIT_ASSERT((sljit_sw)addr <= 0x01ffffff && (sljit_sw)addr >= -0x02000000); |
| *buf_ptr = Bx | (addr & 0x03fffffc) | ((*buf_ptr) & 0x1); |
| } |
| else { |
| SLJIT_ASSERT(addr <= 0x03ffffff); |
| *buf_ptr = Bx | (addr & 0x03fffffc) | 0x2 | ((*buf_ptr) & 0x1); |
| } |
| } |
| break; |
| } |
| /* Set the fields of immediate loads. */ |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 16) & 0xffff); |
| buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | (addr & 0xffff); |
| #else |
| if (jump->flags & PATCH_ABS32) { |
| SLJIT_ASSERT(addr <= 0x7fffffff); |
| buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 16) & 0xffff); |
| buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | (addr & 0xffff); |
| break; |
| } |
| if (jump->flags & PATCH_ABS48) { |
| SLJIT_ASSERT(addr <= 0x7fffffffffff); |
| buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 32) & 0xffff); |
| buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | ((addr >> 16) & 0xffff); |
| buf_ptr[3] = (buf_ptr[3] & 0xffff0000) | (addr & 0xffff); |
| break; |
| } |
| buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 48) & 0xffff); |
| buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | ((addr >> 32) & 0xffff); |
| buf_ptr[3] = (buf_ptr[3] & 0xffff0000) | ((addr >> 16) & 0xffff); |
| buf_ptr[4] = (buf_ptr[4] & 0xffff0000) | (addr & 0xffff); |
| #endif |
| } while (0); |
| jump = jump->next; |
| } |
| |
| compiler->error = SLJIT_ERR_COMPILED; |
| compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins); |
| SLJIT_CACHE_FLUSH(code, code_ptr); |
| |
| #if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if (((sljit_sw)code_ptr) & 0x4) |
| code_ptr++; |
| sljit_set_function_context(NULL, (struct sljit_function_context*)code_ptr, (sljit_sw)code, (void*)sljit_generate_code); |
| return code_ptr; |
| #else |
| sljit_set_function_context(NULL, (struct sljit_function_context*)code_ptr, (sljit_sw)code, (void*)sljit_generate_code); |
| return code_ptr; |
| #endif |
| #else |
| return code; |
| #endif |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* Entry, exit */ |
| /* --------------------------------------------------------------------- */ |
| |
| /* inp_flags: */ |
| |
| /* Creates an index in data_transfer_insts array. */ |
| #define LOAD_DATA 0x01 |
| #define INDEXED 0x02 |
| #define WRITE_BACK 0x04 |
| #define WORD_DATA 0x00 |
| #define BYTE_DATA 0x08 |
| #define HALF_DATA 0x10 |
| #define INT_DATA 0x18 |
| #define SIGNED_DATA 0x20 |
| /* Separates integer and floating point registers */ |
| #define GPR_REG 0x3f |
| #define DOUBLE_DATA 0x40 |
| |
| #define MEM_MASK 0x7f |
| |
| /* Other inp_flags. */ |
| |
| #define ARG_TEST 0x000100 |
| /* Integer opertion and set flags -> requires exts on 64 bit systems. */ |
| #define ALT_SIGN_EXT 0x000200 |
| /* This flag affects the RC() and OERC() macros. */ |
| #define ALT_SET_FLAGS 0x000400 |
| #define ALT_KEEP_CACHE 0x000800 |
| #define ALT_FORM1 0x010000 |
| #define ALT_FORM2 0x020000 |
| #define ALT_FORM3 0x040000 |
| #define ALT_FORM4 0x080000 |
| #define ALT_FORM5 0x100000 |
| #define ALT_FORM6 0x200000 |
| |
| /* Source and destination is register. */ |
| #define REG_DEST 0x000001 |
| #define REG1_SOURCE 0x000002 |
| #define REG2_SOURCE 0x000004 |
| /* getput_arg_fast returned true. */ |
| #define FAST_DEST 0x000008 |
| /* Multiple instructions are required. */ |
| #define SLOW_DEST 0x000010 |
| /* |
| ALT_SIGN_EXT 0x000200 |
| ALT_SET_FLAGS 0x000400 |
| ALT_FORM1 0x010000 |
| ... |
| ALT_FORM6 0x200000 */ |
| |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| #include "sljitNativePPC_32.c" |
| #else |
| #include "sljitNativePPC_64.c" |
| #endif |
| |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| #define STACK_STORE STW |
| #define STACK_LOAD LWZ |
| #else |
| #define STACK_STORE STD |
| #define STACK_LOAD LD |
| #endif |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_enter(struct sljit_compiler *compiler, |
| sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds, |
| sljit_si fscratches, sljit_si fsaveds, sljit_si local_size) |
| { |
| sljit_si i, tmp, offs; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size)); |
| set_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size); |
| |
| FAIL_IF(push_inst(compiler, MFLR | D(0))); |
| offs = -(sljit_si)(sizeof(sljit_sw)); |
| FAIL_IF(push_inst(compiler, STACK_STORE | S(TMP_ZERO) | A(SLJIT_SP) | IMM(offs))); |
| |
| tmp = saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? (SLJIT_S0 + 1 - saveds) : SLJIT_FIRST_SAVED_REG; |
| for (i = SLJIT_S0; i >= tmp; i--) { |
| offs -= (sljit_si)(sizeof(sljit_sw)); |
| FAIL_IF(push_inst(compiler, STACK_STORE | S(i) | A(SLJIT_SP) | IMM(offs))); |
| } |
| |
| for (i = scratches; i >= SLJIT_FIRST_SAVED_REG; i--) { |
| offs -= (sljit_si)(sizeof(sljit_sw)); |
| FAIL_IF(push_inst(compiler, STACK_STORE | S(i) | A(SLJIT_SP) | IMM(offs))); |
| } |
| |
| SLJIT_ASSERT(offs == -(sljit_si)GET_SAVED_REGISTERS_SIZE(compiler->scratches, compiler->saveds, 1)); |
| |
| #if (defined SLJIT_PPC_STACK_FRAME_V2 && SLJIT_PPC_STACK_FRAME_V2) |
| FAIL_IF(push_inst(compiler, STACK_STORE | S(0) | A(SLJIT_SP) | IMM(2 * sizeof(sljit_sw)))); |
| #else |
| FAIL_IF(push_inst(compiler, STACK_STORE | S(0) | A(SLJIT_SP) | IMM(sizeof(sljit_sw)))); |
| #endif |
| |
| FAIL_IF(push_inst(compiler, ADDI | D(TMP_ZERO) | A(0) | 0)); |
| if (args >= 1) |
| FAIL_IF(push_inst(compiler, OR | S(SLJIT_R0) | A(SLJIT_S0) | B(SLJIT_R0))); |
| if (args >= 2) |
| FAIL_IF(push_inst(compiler, OR | S(SLJIT_R1) | A(SLJIT_S1) | B(SLJIT_R1))); |
| if (args >= 3) |
| FAIL_IF(push_inst(compiler, OR | S(SLJIT_R2) | A(SLJIT_S2) | B(SLJIT_R2))); |
| |
| local_size += GET_SAVED_REGISTERS_SIZE(scratches, saveds, 1) + SLJIT_LOCALS_OFFSET; |
| local_size = (local_size + 15) & ~0xf; |
| compiler->local_size = local_size; |
| |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| if (local_size <= SIMM_MAX) |
| FAIL_IF(push_inst(compiler, STWU | S(SLJIT_SP) | A(SLJIT_SP) | IMM(-local_size))); |
| else { |
| FAIL_IF(load_immediate(compiler, 0, -local_size)); |
| FAIL_IF(push_inst(compiler, STWUX | S(SLJIT_SP) | A(SLJIT_SP) | B(0))); |
| } |
| #else |
| if (local_size <= SIMM_MAX) |
| FAIL_IF(push_inst(compiler, STDU | S(SLJIT_SP) | A(SLJIT_SP) | IMM(-local_size))); |
| else { |
| FAIL_IF(load_immediate(compiler, 0, -local_size)); |
| FAIL_IF(push_inst(compiler, STDUX | S(SLJIT_SP) | A(SLJIT_SP) | B(0))); |
| } |
| #endif |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_set_context(struct sljit_compiler *compiler, |
| sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds, |
| sljit_si fscratches, sljit_si fsaveds, sljit_si local_size) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size)); |
| set_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size); |
| |
| local_size += GET_SAVED_REGISTERS_SIZE(scratches, saveds, 1) + SLJIT_LOCALS_OFFSET; |
| compiler->local_size = (local_size + 15) & ~0xf; |
| return SLJIT_SUCCESS; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw) |
| { |
| sljit_si i, tmp, offs; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_return(compiler, op, src, srcw)); |
| |
| FAIL_IF(emit_mov_before_return(compiler, op, src, srcw)); |
| |
| if (compiler->local_size <= SIMM_MAX) |
| FAIL_IF(push_inst(compiler, ADDI | D(SLJIT_SP) | A(SLJIT_SP) | IMM(compiler->local_size))); |
| else { |
| FAIL_IF(load_immediate(compiler, 0, compiler->local_size)); |
| FAIL_IF(push_inst(compiler, ADD | D(SLJIT_SP) | A(SLJIT_SP) | B(0))); |
| } |
| |
| #if (defined SLJIT_PPC_STACK_FRAME_V2 && SLJIT_PPC_STACK_FRAME_V2) |
| FAIL_IF(push_inst(compiler, STACK_LOAD | D(0) | A(SLJIT_SP) | IMM(2 * sizeof(sljit_sw)))); |
| #else |
| FAIL_IF(push_inst(compiler, STACK_LOAD | D(0) | A(SLJIT_SP) | IMM(sizeof(sljit_sw)))); |
| #endif |
| |
| offs = -(sljit_si)GET_SAVED_REGISTERS_SIZE(compiler->scratches, compiler->saveds, 1); |
| |
| tmp = compiler->scratches; |
| for (i = SLJIT_FIRST_SAVED_REG; i <= tmp; i++) { |
| FAIL_IF(push_inst(compiler, STACK_LOAD | D(i) | A(SLJIT_SP) | IMM(offs))); |
| offs += (sljit_si)(sizeof(sljit_sw)); |
| } |
| |
| tmp = compiler->saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? (SLJIT_S0 + 1 - compiler->saveds) : SLJIT_FIRST_SAVED_REG; |
| for (i = tmp; i <= SLJIT_S0; i++) { |
| FAIL_IF(push_inst(compiler, STACK_LOAD | D(i) | A(SLJIT_SP) | IMM(offs))); |
| offs += (sljit_si)(sizeof(sljit_sw)); |
| } |
| |
| FAIL_IF(push_inst(compiler, STACK_LOAD | D(TMP_ZERO) | A(SLJIT_SP) | IMM(offs))); |
| SLJIT_ASSERT(offs == -(sljit_sw)(sizeof(sljit_sw))); |
| |
| FAIL_IF(push_inst(compiler, MTLR | S(0))); |
| FAIL_IF(push_inst(compiler, BLR)); |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| #undef STACK_STORE |
| #undef STACK_LOAD |
| |
| /* --------------------------------------------------------------------- */ |
| /* Operators */ |
| /* --------------------------------------------------------------------- */ |
| |
| /* i/x - immediate/indexed form |
| n/w - no write-back / write-back (1 bit) |
| s/l - store/load (1 bit) |
| u/s - signed/unsigned (1 bit) |
| w/b/h/i - word/byte/half/int allowed (2 bit) |
| It contans 32 items, but not all are different. */ |
| |
| /* 64 bit only: [reg+imm] must be aligned to 4 bytes. */ |
| #define INT_ALIGNED 0x10000 |
| /* 64-bit only: there is no lwau instruction. */ |
| #define UPDATE_REQ 0x20000 |
| |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| #define ARCH_32_64(a, b) a |
| #define INST_CODE_AND_DST(inst, flags, reg) \ |
| ((inst) | (((flags) & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg))) |
| #else |
| #define ARCH_32_64(a, b) b |
| #define INST_CODE_AND_DST(inst, flags, reg) \ |
| (((inst) & ~(INT_ALIGNED | UPDATE_REQ)) | (((flags) & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg))) |
| #endif |
| |
| static SLJIT_CONST sljit_ins data_transfer_insts[64 + 8] = { |
| |
| /* -------- Unsigned -------- */ |
| |
| /* Word. */ |
| |
| /* u w n i s */ ARCH_32_64(HI(36) /* stw */, HI(62) | INT_ALIGNED | 0x0 /* std */), |
| /* u w n i l */ ARCH_32_64(HI(32) /* lwz */, HI(58) | INT_ALIGNED | 0x0 /* ld */), |
| /* u w n x s */ ARCH_32_64(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */), |
| /* u w n x l */ ARCH_32_64(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */), |
| |
| /* u w w i s */ ARCH_32_64(HI(37) /* stwu */, HI(62) | INT_ALIGNED | 0x1 /* stdu */), |
| /* u w w i l */ ARCH_32_64(HI(33) /* lwzu */, HI(58) | INT_ALIGNED | 0x1 /* ldu */), |
| /* u w w x s */ ARCH_32_64(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */), |
| /* u w w x l */ ARCH_32_64(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */), |
| |
| /* Byte. */ |
| |
| /* u b n i s */ HI(38) /* stb */, |
| /* u b n i l */ HI(34) /* lbz */, |
| /* u b n x s */ HI(31) | LO(215) /* stbx */, |
| /* u b n x l */ HI(31) | LO(87) /* lbzx */, |
| |
| /* u b w i s */ HI(39) /* stbu */, |
| /* u b w i l */ HI(35) /* lbzu */, |
| /* u b w x s */ HI(31) | LO(247) /* stbux */, |
| /* u b w x l */ HI(31) | LO(119) /* lbzux */, |
| |
| /* Half. */ |
| |
| /* u h n i s */ HI(44) /* sth */, |
| /* u h n i l */ HI(40) /* lhz */, |
| /* u h n x s */ HI(31) | LO(407) /* sthx */, |
| /* u h n x l */ HI(31) | LO(279) /* lhzx */, |
| |
| /* u h w i s */ HI(45) /* sthu */, |
| /* u h w i l */ HI(41) /* lhzu */, |
| /* u h w x s */ HI(31) | LO(439) /* sthux */, |
| /* u h w x l */ HI(31) | LO(311) /* lhzux */, |
| |
| /* Int. */ |
| |
| /* u i n i s */ HI(36) /* stw */, |
| /* u i n i l */ HI(32) /* lwz */, |
| /* u i n x s */ HI(31) | LO(151) /* stwx */, |
| /* u i n x l */ HI(31) | LO(23) /* lwzx */, |
| |
| /* u i w i s */ HI(37) /* stwu */, |
| /* u i w i l */ HI(33) /* lwzu */, |
| /* u i w x s */ HI(31) | LO(183) /* stwux */, |
| /* u i w x l */ HI(31) | LO(55) /* lwzux */, |
| |
| /* -------- Signed -------- */ |
| |
| /* Word. */ |
| |
| /* s w n i s */ ARCH_32_64(HI(36) /* stw */, HI(62) | INT_ALIGNED | 0x0 /* std */), |
| /* s w n i l */ ARCH_32_64(HI(32) /* lwz */, HI(58) | INT_ALIGNED | 0x0 /* ld */), |
| /* s w n x s */ ARCH_32_64(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */), |
| /* s w n x l */ ARCH_32_64(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */), |
| |
| /* s w w i s */ ARCH_32_64(HI(37) /* stwu */, HI(62) | INT_ALIGNED | 0x1 /* stdu */), |
| /* s w w i l */ ARCH_32_64(HI(33) /* lwzu */, HI(58) | INT_ALIGNED | 0x1 /* ldu */), |
| /* s w w x s */ ARCH_32_64(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */), |
| /* s w w x l */ ARCH_32_64(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */), |
| |
| /* Byte. */ |
| |
| /* s b n i s */ HI(38) /* stb */, |
| /* s b n i l */ HI(34) /* lbz */ /* EXTS_REQ */, |
| /* s b n x s */ HI(31) | LO(215) /* stbx */, |
| /* s b n x l */ HI(31) | LO(87) /* lbzx */ /* EXTS_REQ */, |
| |
| /* s b w i s */ HI(39) /* stbu */, |
| /* s b w i l */ HI(35) /* lbzu */ /* EXTS_REQ */, |
| /* s b w x s */ HI(31) | LO(247) /* stbux */, |
| /* s b w x l */ HI(31) | LO(119) /* lbzux */ /* EXTS_REQ */, |
| |
| /* Half. */ |
| |
| /* s h n i s */ HI(44) /* sth */, |
| /* s h n i l */ HI(42) /* lha */, |
| /* s h n x s */ HI(31) | LO(407) /* sthx */, |
| /* s h n x l */ HI(31) | LO(343) /* lhax */, |
| |
| /* s h w i s */ HI(45) /* sthu */, |
| /* s h w i l */ HI(43) /* lhau */, |
| /* s h w x s */ HI(31) | LO(439) /* sthux */, |
| /* s h w x l */ HI(31) | LO(375) /* lhaux */, |
| |
| /* Int. */ |
| |
| /* s i n i s */ HI(36) /* stw */, |
| /* s i n i l */ ARCH_32_64(HI(32) /* lwz */, HI(58) | INT_ALIGNED | 0x2 /* lwa */), |
| /* s i n x s */ HI(31) | LO(151) /* stwx */, |
| /* s i n x l */ ARCH_32_64(HI(31) | LO(23) /* lwzx */, HI(31) | LO(341) /* lwax */), |
| |
| /* s i w i s */ HI(37) /* stwu */, |
| /* s i w i l */ ARCH_32_64(HI(33) /* lwzu */, HI(58) | INT_ALIGNED | UPDATE_REQ | 0x2 /* lwa */), |
| /* s i w x s */ HI(31) | LO(183) /* stwux */, |
| /* s i w x l */ ARCH_32_64(HI(31) | LO(55) /* lwzux */, HI(31) | LO(373) /* lwaux */), |
| |
| /* -------- Double -------- */ |
| |
| /* d n i s */ HI(54) /* stfd */, |
| /* d n i l */ HI(50) /* lfd */, |
| /* d n x s */ HI(31) | LO(727) /* stfdx */, |
| /* d n x l */ HI(31) | LO(599) /* lfdx */, |
| |
| /* s n i s */ HI(52) /* stfs */, |
| /* s n i l */ HI(48) /* lfs */, |
| /* s n x s */ HI(31) | LO(663) /* stfsx */, |
| /* s n x l */ HI(31) | LO(535) /* lfsx */, |
| |
| }; |
| |
| #undef ARCH_32_64 |
| |
| /* Simple cases, (no caching is required). */ |
| static sljit_si getput_arg_fast(struct sljit_compiler *compiler, sljit_si inp_flags, sljit_si reg, sljit_si arg, sljit_sw argw) |
| { |
| sljit_ins inst; |
| |
| /* Should work when (arg & REG_MASK) == 0. */ |
| SLJIT_COMPILE_ASSERT(A(0) == 0, a0_must_be_0); |
| SLJIT_ASSERT(arg & SLJIT_MEM); |
| |
| if (arg & OFFS_REG_MASK) { |
| if (argw & 0x3) |
| return 0; |
| if (inp_flags & ARG_TEST) |
| return 1; |
| |
| inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; |
| SLJIT_ASSERT(!(inst & (INT_ALIGNED | UPDATE_REQ))); |
| FAIL_IF(push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg & REG_MASK) | B(OFFS_REG(arg)))); |
| return -1; |
| } |
| |
| if (SLJIT_UNLIKELY(!(arg & REG_MASK))) |
| inp_flags &= ~WRITE_BACK; |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| inst = data_transfer_insts[inp_flags & MEM_MASK]; |
| SLJIT_ASSERT((arg & REG_MASK) || !(inst & UPDATE_REQ)); |
| |
| if (argw > SIMM_MAX || argw < SIMM_MIN || ((inst & INT_ALIGNED) && (argw & 0x3)) || (inst & UPDATE_REQ)) |
| return 0; |
| if (inp_flags & ARG_TEST) |
| return 1; |
| #endif |
| |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| if (argw > SIMM_MAX || argw < SIMM_MIN) |
| return 0; |
| if (inp_flags & ARG_TEST) |
| return 1; |
| |
| inst = data_transfer_insts[inp_flags & MEM_MASK]; |
| SLJIT_ASSERT(!(inst & (INT_ALIGNED | UPDATE_REQ))); |
| #endif |
| |
| FAIL_IF(push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg & REG_MASK) | IMM(argw))); |
| return -1; |
| } |
| |
| /* See getput_arg below. |
| Note: can_cache is called only for binary operators. Those operator always |
| uses word arguments without write back. */ |
| static sljit_si can_cache(sljit_si arg, sljit_sw argw, sljit_si next_arg, sljit_sw next_argw) |
| { |
| sljit_sw high_short, next_high_short; |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| sljit_sw diff; |
| #endif |
| |
| SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM)); |
| |
| if (arg & OFFS_REG_MASK) |
| return ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && (argw & 0x3) == (next_argw & 0x3)); |
| |
| if (next_arg & OFFS_REG_MASK) |
| return 0; |
| |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| high_short = (argw + ((argw & 0x8000) << 1)) & ~0xffff; |
| next_high_short = (next_argw + ((next_argw & 0x8000) << 1)) & ~0xffff; |
| return high_short == next_high_short; |
| #else |
| if (argw <= 0x7fffffffl && argw >= -0x80000000l) { |
| high_short = (argw + ((argw & 0x8000) << 1)) & ~0xffff; |
| next_high_short = (next_argw + ((next_argw & 0x8000) << 1)) & ~0xffff; |
| if (high_short == next_high_short) |
| return 1; |
| } |
| |
| diff = argw - next_argw; |
| if (!(arg & REG_MASK)) |
| return diff <= SIMM_MAX && diff >= SIMM_MIN; |
| |
| if (arg == next_arg && diff <= SIMM_MAX && diff >= SIMM_MIN) |
| return 1; |
| |
| return 0; |
| #endif |
| } |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| #define ADJUST_CACHED_IMM(imm) \ |
| if ((inst & INT_ALIGNED) && (imm & 0x3)) { \ |
| /* Adjust cached value. Fortunately this is really a rare case */ \ |
| compiler->cache_argw += imm & 0x3; \ |
| FAIL_IF(push_inst(compiler, ADDI | D(TMP_REG3) | A(TMP_REG3) | (imm & 0x3))); \ |
| imm &= ~0x3; \ |
| } |
| #endif |
| |
| /* Emit the necessary instructions. See can_cache above. */ |
| static sljit_si getput_arg(struct sljit_compiler *compiler, sljit_si inp_flags, sljit_si reg, sljit_si arg, sljit_sw argw, sljit_si next_arg, sljit_sw next_argw) |
| { |
| sljit_si tmp_r; |
| sljit_ins inst; |
| sljit_sw high_short, next_high_short; |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| sljit_sw diff; |
| #endif |
| |
| SLJIT_ASSERT(arg & SLJIT_MEM); |
| |
| tmp_r = ((inp_flags & LOAD_DATA) && ((inp_flags) & MEM_MASK) <= GPR_REG) ? reg : TMP_REG1; |
| /* Special case for "mov reg, [reg, ... ]". */ |
| if ((arg & REG_MASK) == tmp_r) |
| tmp_r = TMP_REG1; |
| |
| if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { |
| argw &= 0x3; |
| /* Otherwise getput_arg_fast would capture it. */ |
| SLJIT_ASSERT(argw); |
| |
| if ((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg && argw == compiler->cache_argw) |
| tmp_r = TMP_REG3; |
| else { |
| if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) { |
| compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK); |
| compiler->cache_argw = argw; |
| tmp_r = TMP_REG3; |
| } |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| FAIL_IF(push_inst(compiler, RLWINM | S(OFFS_REG(arg)) | A(tmp_r) | (argw << 11) | ((31 - argw) << 1))); |
| #else |
| FAIL_IF(push_inst(compiler, RLDI(tmp_r, OFFS_REG(arg), argw, 63 - argw, 1))); |
| #endif |
| } |
| inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; |
| SLJIT_ASSERT(!(inst & (INT_ALIGNED | UPDATE_REQ))); |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg & REG_MASK) | B(tmp_r)); |
| } |
| |
| if (SLJIT_UNLIKELY(!(arg & REG_MASK))) |
| inp_flags &= ~WRITE_BACK; |
| |
| inst = data_transfer_insts[inp_flags & MEM_MASK]; |
| SLJIT_ASSERT((arg & REG_MASK) || !(inst & UPDATE_REQ)); |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if (argw <= 0x7fff7fffl && argw >= -0x80000000l |
| && (!(inst & INT_ALIGNED) || !(argw & 0x3)) && !(inst & UPDATE_REQ)) { |
| #endif |
| |
| arg &= REG_MASK; |
| high_short = (sljit_si)(argw + ((argw & 0x8000) << 1)) & ~0xffff; |
| /* The getput_arg_fast should handle this otherwise. */ |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| SLJIT_ASSERT(high_short && high_short <= 0x7fffffffl && high_short >= -0x80000000l); |
| #else |
| SLJIT_ASSERT(high_short && !(inst & (INT_ALIGNED | UPDATE_REQ))); |
| #endif |
| |
| if (inp_flags & WRITE_BACK) { |
| if (arg == reg) { |
| FAIL_IF(push_inst(compiler, OR | S(reg) | A(tmp_r) | B(reg))); |
| reg = tmp_r; |
| } |
| tmp_r = arg; |
| FAIL_IF(push_inst(compiler, ADDIS | D(arg) | A(arg) | IMM(high_short >> 16))); |
| } |
| else if (compiler->cache_arg != (SLJIT_MEM | arg) || high_short != compiler->cache_argw) { |
| if ((next_arg & SLJIT_MEM) && !(next_arg & OFFS_REG_MASK)) { |
| next_high_short = (sljit_si)(next_argw + ((next_argw & 0x8000) << 1)) & ~0xffff; |
| if (high_short == next_high_short) { |
| compiler->cache_arg = SLJIT_MEM | arg; |
| compiler->cache_argw = high_short; |
| tmp_r = TMP_REG3; |
| } |
| } |
| FAIL_IF(push_inst(compiler, ADDIS | D(tmp_r) | A(arg & REG_MASK) | IMM(high_short >> 16))); |
| } |
| else |
| tmp_r = TMP_REG3; |
| |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(tmp_r) | IMM(argw)); |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| } |
| |
| /* Everything else is PPC-64 only. */ |
| if (SLJIT_UNLIKELY(!(arg & REG_MASK))) { |
| diff = argw - compiler->cache_argw; |
| if ((compiler->cache_arg & SLJIT_IMM) && diff <= SIMM_MAX && diff >= SIMM_MIN) { |
| ADJUST_CACHED_IMM(diff); |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(TMP_REG3) | IMM(diff)); |
| } |
| |
| diff = argw - next_argw; |
| if ((next_arg & SLJIT_MEM) && diff <= SIMM_MAX && diff >= SIMM_MIN) { |
| SLJIT_ASSERT(inp_flags & LOAD_DATA); |
| |
| compiler->cache_arg = SLJIT_IMM; |
| compiler->cache_argw = argw; |
| tmp_r = TMP_REG3; |
| } |
| |
| FAIL_IF(load_immediate(compiler, tmp_r, argw)); |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(tmp_r)); |
| } |
| |
| diff = argw - compiler->cache_argw; |
| if (compiler->cache_arg == arg && diff <= SIMM_MAX && diff >= SIMM_MIN) { |
| SLJIT_ASSERT(!(inp_flags & WRITE_BACK) && !(inst & UPDATE_REQ)); |
| ADJUST_CACHED_IMM(diff); |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(TMP_REG3) | IMM(diff)); |
| } |
| |
| if ((compiler->cache_arg & SLJIT_IMM) && diff <= SIMM_MAX && diff >= SIMM_MIN) { |
| inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; |
| SLJIT_ASSERT(!(inst & (INT_ALIGNED | UPDATE_REQ))); |
| if (compiler->cache_argw != argw) { |
| FAIL_IF(push_inst(compiler, ADDI | D(TMP_REG3) | A(TMP_REG3) | IMM(diff))); |
| compiler->cache_argw = argw; |
| } |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg & REG_MASK) | B(TMP_REG3)); |
| } |
| |
| if (argw == next_argw && (next_arg & SLJIT_MEM)) { |
| SLJIT_ASSERT(inp_flags & LOAD_DATA); |
| FAIL_IF(load_immediate(compiler, TMP_REG3, argw)); |
| |
| compiler->cache_arg = SLJIT_IMM; |
| compiler->cache_argw = argw; |
| |
| inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; |
| SLJIT_ASSERT(!(inst & (INT_ALIGNED | UPDATE_REQ))); |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg & REG_MASK) | B(TMP_REG3)); |
| } |
| |
| diff = argw - next_argw; |
| if (arg == next_arg && !(inp_flags & WRITE_BACK) && diff <= SIMM_MAX && diff >= SIMM_MIN) { |
| SLJIT_ASSERT(inp_flags & LOAD_DATA); |
| FAIL_IF(load_immediate(compiler, TMP_REG3, argw)); |
| FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | A(TMP_REG3) | B(arg & REG_MASK))); |
| |
| compiler->cache_arg = arg; |
| compiler->cache_argw = argw; |
| |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(TMP_REG3)); |
| } |
| |
| if ((next_arg & SLJIT_MEM) && !(next_arg & OFFS_REG_MASK) && diff <= SIMM_MAX && diff >= SIMM_MIN) { |
| SLJIT_ASSERT(inp_flags & LOAD_DATA); |
| FAIL_IF(load_immediate(compiler, TMP_REG3, argw)); |
| |
| compiler->cache_arg = SLJIT_IMM; |
| compiler->cache_argw = argw; |
| tmp_r = TMP_REG3; |
| } |
| else |
| FAIL_IF(load_immediate(compiler, tmp_r, argw)); |
| |
| /* Get the indexed version instead of the normal one. */ |
| inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; |
| SLJIT_ASSERT(!(inst & (INT_ALIGNED | UPDATE_REQ))); |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg & REG_MASK) | B(tmp_r)); |
| #endif |
| } |
| |
| static SLJIT_INLINE sljit_si emit_op_mem2(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg1, sljit_sw arg1w, sljit_si arg2, sljit_sw arg2w) |
| { |
| if (getput_arg_fast(compiler, flags, reg, arg1, arg1w)) |
| return compiler->error; |
| return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w); |
| } |
| |
| static sljit_si emit_op(struct sljit_compiler *compiler, sljit_si op, sljit_si input_flags, |
| sljit_si dst, sljit_sw dstw, |
| sljit_si src1, sljit_sw src1w, |
| sljit_si src2, sljit_sw src2w) |
| { |
| /* arg1 goes to TMP_REG1 or src reg |
| arg2 goes to TMP_REG2, imm or src reg |
| TMP_REG3 can be used for caching |
| result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */ |
| sljit_si dst_r; |
| sljit_si src1_r; |
| sljit_si src2_r; |
| sljit_si sugg_src2_r = TMP_REG2; |
| sljit_si flags = input_flags & (ALT_FORM1 | ALT_FORM2 | ALT_FORM3 | ALT_FORM4 | ALT_FORM5 | ALT_FORM6 | ALT_SIGN_EXT | ALT_SET_FLAGS); |
| |
| if (!(input_flags & ALT_KEEP_CACHE)) { |
| compiler->cache_arg = 0; |
| compiler->cache_argw = 0; |
| } |
| |
| /* Destination check. */ |
| if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) { |
| if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI && !(src2 & SLJIT_MEM)) |
| return SLJIT_SUCCESS; |
| dst_r = TMP_REG2; |
| } |
| else if (FAST_IS_REG(dst)) { |
| dst_r = dst; |
| flags |= REG_DEST; |
| if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI) |
| sugg_src2_r = dst_r; |
| } |
| else { |
| SLJIT_ASSERT(dst & SLJIT_MEM); |
| if (getput_arg_fast(compiler, input_flags | ARG_TEST, TMP_REG2, dst, dstw)) { |
| flags |= FAST_DEST; |
| dst_r = TMP_REG2; |
| } |
| else { |
| flags |= SLOW_DEST; |
| dst_r = 0; |
| } |
| } |
| |
| /* Source 1. */ |
| if (FAST_IS_REG(src1)) { |
| src1_r = src1; |
| flags |= REG1_SOURCE; |
| } |
| else if (src1 & SLJIT_IMM) { |
| FAIL_IF(load_immediate(compiler, TMP_REG1, src1w)); |
| src1_r = TMP_REG1; |
| } |
| else if (getput_arg_fast(compiler, input_flags | LOAD_DATA, TMP_REG1, src1, src1w)) { |
| FAIL_IF(compiler->error); |
| src1_r = TMP_REG1; |
| } |
| else |
| src1_r = 0; |
| |
| /* Source 2. */ |
| if (FAST_IS_REG(src2)) { |
| src2_r = src2; |
| flags |= REG2_SOURCE; |
| if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_SI) |
| dst_r = src2_r; |
| } |
| else if (src2 & SLJIT_IMM) { |
| FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w)); |
| src2_r = sugg_src2_r; |
| } |
| else if (getput_arg_fast(compiler, input_flags | LOAD_DATA, sugg_src2_r, src2, src2w)) { |
| FAIL_IF(compiler->error); |
| src2_r = sugg_src2_r; |
| } |
| else |
| src2_r = 0; |
| |
| /* src1_r, src2_r and dst_r can be zero (=unprocessed). |
| All arguments are complex addressing modes, and it is a binary operator. */ |
| if (src1_r == 0 && src2_r == 0 && dst_r == 0) { |
| if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { |
| FAIL_IF(getput_arg(compiler, input_flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w)); |
| FAIL_IF(getput_arg(compiler, input_flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); |
| } |
| else { |
| FAIL_IF(getput_arg(compiler, input_flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w)); |
| FAIL_IF(getput_arg(compiler, input_flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw)); |
| } |
| src1_r = TMP_REG1; |
| src2_r = TMP_REG2; |
| } |
| else if (src1_r == 0 && src2_r == 0) { |
| FAIL_IF(getput_arg(compiler, input_flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w)); |
| src1_r = TMP_REG1; |
| } |
| else if (src1_r == 0 && dst_r == 0) { |
| FAIL_IF(getput_arg(compiler, input_flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); |
| src1_r = TMP_REG1; |
| } |
| else if (src2_r == 0 && dst_r == 0) { |
| FAIL_IF(getput_arg(compiler, input_flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw)); |
| src2_r = sugg_src2_r; |
| } |
| |
| if (dst_r == 0) |
| dst_r = TMP_REG2; |
| |
| if (src1_r == 0) { |
| FAIL_IF(getput_arg(compiler, input_flags | LOAD_DATA, TMP_REG1, src1, src1w, 0, 0)); |
| src1_r = TMP_REG1; |
| } |
| |
| if (src2_r == 0) { |
| FAIL_IF(getput_arg(compiler, input_flags | LOAD_DATA, sugg_src2_r, src2, src2w, 0, 0)); |
| src2_r = sugg_src2_r; |
| } |
| |
| FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r)); |
| |
| if (flags & (FAST_DEST | SLOW_DEST)) { |
| if (flags & FAST_DEST) |
| FAIL_IF(getput_arg_fast(compiler, input_flags, dst_r, dst, dstw)); |
| else |
| FAIL_IF(getput_arg(compiler, input_flags, dst_r, dst, dstw, 0, 0)); |
| } |
| return SLJIT_SUCCESS; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op0(struct sljit_compiler *compiler, sljit_si op) |
| { |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| sljit_si int_op = op & SLJIT_INT_OP; |
| #endif |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op0(compiler, op)); |
| |
| op = GET_OPCODE(op); |
| switch (op) { |
| case SLJIT_BREAKPOINT: |
| case SLJIT_NOP: |
| return push_inst(compiler, NOP); |
| case SLJIT_LUMUL: |
| case SLJIT_LSMUL: |
| FAIL_IF(push_inst(compiler, OR | S(SLJIT_R0) | A(TMP_REG1) | B(SLJIT_R0))); |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| FAIL_IF(push_inst(compiler, MULLD | D(SLJIT_R0) | A(TMP_REG1) | B(SLJIT_R1))); |
| return push_inst(compiler, (op == SLJIT_LUMUL ? MULHDU : MULHD) | D(SLJIT_R1) | A(TMP_REG1) | B(SLJIT_R1)); |
| #else |
| FAIL_IF(push_inst(compiler, MULLW | D(SLJIT_R0) | A(TMP_REG1) | B(SLJIT_R1))); |
| return push_inst(compiler, (op == SLJIT_LUMUL ? MULHWU : MULHW) | D(SLJIT_R1) | A(TMP_REG1) | B(SLJIT_R1)); |
| #endif |
| case SLJIT_UDIVMOD: |
| case SLJIT_SDIVMOD: |
| FAIL_IF(push_inst(compiler, OR | S(SLJIT_R0) | A(TMP_REG1) | B(SLJIT_R0))); |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| FAIL_IF(push_inst(compiler, (int_op ? (op == SLJIT_UDIVMOD ? DIVWU : DIVW) : (op == SLJIT_UDIVMOD ? DIVDU : DIVD)) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1))); |
| FAIL_IF(push_inst(compiler, (int_op ? MULLW : MULLD) | D(SLJIT_R1) | A(SLJIT_R0) | B(SLJIT_R1))); |
| #else |
| FAIL_IF(push_inst(compiler, (op == SLJIT_UDIVMOD ? DIVWU : DIVW) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1))); |
| FAIL_IF(push_inst(compiler, MULLW | D(SLJIT_R1) | A(SLJIT_R0) | B(SLJIT_R1))); |
| #endif |
| return push_inst(compiler, SUBF | D(SLJIT_R1) | A(SLJIT_R1) | B(TMP_REG1)); |
| case SLJIT_UDIVI: |
| case SLJIT_SDIVI: |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| return push_inst(compiler, (int_op ? (op == SLJIT_UDIVI ? DIVWU : DIVW) : (op == SLJIT_UDIVI ? DIVDU : DIVD)) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1)); |
| #else |
| return push_inst(compiler, (op == SLJIT_UDIVI ? DIVWU : DIVW) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1)); |
| #endif |
| } |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| #define EMIT_MOV(type, type_flags, type_cast) \ |
| emit_op(compiler, (src & SLJIT_IMM) ? SLJIT_MOV : type, flags | (type_flags), dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? type_cast srcw : srcw) |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op1(struct sljit_compiler *compiler, sljit_si op, |
| sljit_si dst, sljit_sw dstw, |
| sljit_si src, sljit_sw srcw) |
| { |
| sljit_si flags = GET_FLAGS(op) ? ALT_SET_FLAGS : 0; |
| sljit_si op_flags = GET_ALL_FLAGS(op); |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| ADJUST_LOCAL_OFFSET(src, srcw); |
| |
| op = GET_OPCODE(op); |
| if ((src & SLJIT_IMM) && srcw == 0) |
| src = TMP_ZERO; |
| |
| if (op_flags & SLJIT_SET_O) |
| FAIL_IF(push_inst(compiler, MTXER | S(TMP_ZERO))); |
| |
| if (op_flags & SLJIT_INT_OP) { |
| if (op < SLJIT_NOT) { |
| if (FAST_IS_REG(src) && src == dst) { |
| if (!TYPE_CAST_NEEDED(op)) |
| return SLJIT_SUCCESS; |
| } |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if (op == SLJIT_MOV_SI && (src & SLJIT_MEM)) |
| op = SLJIT_MOV_UI; |
| if (op == SLJIT_MOVU_SI && (src & SLJIT_MEM)) |
| op = SLJIT_MOVU_UI; |
| if (op == SLJIT_MOV_UI && (src & SLJIT_IMM)) |
| op = SLJIT_MOV_SI; |
| if (op == SLJIT_MOVU_UI && (src & SLJIT_IMM)) |
| op = SLJIT_MOVU_SI; |
| #endif |
| } |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| else { |
| /* Most operations expect sign extended arguments. */ |
| flags |= INT_DATA | SIGNED_DATA; |
| if (src & SLJIT_IMM) |
| srcw = (sljit_si)srcw; |
| } |
| #endif |
| } |
| |
| switch (op) { |
| case SLJIT_MOV: |
| case SLJIT_MOV_P: |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| case SLJIT_MOV_UI: |
| case SLJIT_MOV_SI: |
| #endif |
| return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| case SLJIT_MOV_UI: |
| return EMIT_MOV(SLJIT_MOV_UI, INT_DATA, (sljit_ui)); |
| |
| case SLJIT_MOV_SI: |
| return EMIT_MOV(SLJIT_MOV_SI, INT_DATA | SIGNED_DATA, (sljit_si)); |
| #endif |
| |
| case SLJIT_MOV_UB: |
| return EMIT_MOV(SLJIT_MOV_UB, BYTE_DATA, (sljit_ub)); |
| |
| case SLJIT_MOV_SB: |
| return EMIT_MOV(SLJIT_MOV_SB, BYTE_DATA | SIGNED_DATA, (sljit_sb)); |
| |
| case SLJIT_MOV_UH: |
| return EMIT_MOV(SLJIT_MOV_UH, HALF_DATA, (sljit_uh)); |
| |
| case SLJIT_MOV_SH: |
| return EMIT_MOV(SLJIT_MOV_SH, HALF_DATA | SIGNED_DATA, (sljit_sh)); |
| |
| case SLJIT_MOVU: |
| case SLJIT_MOVU_P: |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| case SLJIT_MOVU_UI: |
| case SLJIT_MOVU_SI: |
| #endif |
| return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| case SLJIT_MOVU_UI: |
| return EMIT_MOV(SLJIT_MOV_UI, INT_DATA | WRITE_BACK, (sljit_ui)); |
| |
| case SLJIT_MOVU_SI: |
| return EMIT_MOV(SLJIT_MOV_SI, INT_DATA | SIGNED_DATA | WRITE_BACK, (sljit_si)); |
| #endif |
| |
| case SLJIT_MOVU_UB: |
| return EMIT_MOV(SLJIT_MOV_UB, BYTE_DATA | WRITE_BACK, (sljit_ub)); |
| |
| case SLJIT_MOVU_SB: |
| return EMIT_MOV(SLJIT_MOV_SB, BYTE_DATA | SIGNED_DATA | WRITE_BACK, (sljit_sb)); |
| |
| case SLJIT_MOVU_UH: |
| return EMIT_MOV(SLJIT_MOV_UH, HALF_DATA | WRITE_BACK, (sljit_uh)); |
| |
| case SLJIT_MOVU_SH: |
| return EMIT_MOV(SLJIT_MOV_SH, HALF_DATA | SIGNED_DATA | WRITE_BACK, (sljit_sh)); |
| |
| case SLJIT_NOT: |
| return emit_op(compiler, SLJIT_NOT, flags, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| case SLJIT_NEG: |
| return emit_op(compiler, SLJIT_NEG, flags, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| case SLJIT_CLZ: |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| return emit_op(compiler, SLJIT_CLZ, flags | (!(op_flags & SLJIT_INT_OP) ? 0 : ALT_FORM1), dst, dstw, TMP_REG1, 0, src, srcw); |
| #else |
| return emit_op(compiler, SLJIT_CLZ, flags, dst, dstw, TMP_REG1, 0, src, srcw); |
| #endif |
| } |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| #undef EMIT_MOV |
| |
| #define TEST_SL_IMM(src, srcw) \ |
| (((src) & SLJIT_IMM) && (srcw) <= SIMM_MAX && (srcw) >= SIMM_MIN) |
| |
| #define TEST_UL_IMM(src, srcw) \ |
| (((src) & SLJIT_IMM) && !((srcw) & ~0xffff)) |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| #define TEST_SH_IMM(src, srcw) \ |
| (((src) & SLJIT_IMM) && !((srcw) & 0xffff) && (srcw) <= 0x7fffffffl && (srcw) >= -0x80000000l) |
| #else |
| #define TEST_SH_IMM(src, srcw) \ |
| (((src) & SLJIT_IMM) && !((srcw) & 0xffff)) |
| #endif |
| |
| #define TEST_UH_IMM(src, srcw) \ |
| (((src) & SLJIT_IMM) && !((srcw) & ~0xffff0000)) |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| #define TEST_ADD_IMM(src, srcw) \ |
| (((src) & SLJIT_IMM) && (srcw) <= 0x7fff7fffl && (srcw) >= -0x80000000l) |
| #else |
| #define TEST_ADD_IMM(src, srcw) \ |
| ((src) & SLJIT_IMM) |
| #endif |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| #define TEST_UI_IMM(src, srcw) \ |
| (((src) & SLJIT_IMM) && !((srcw) & ~0xffffffff)) |
| #else |
| #define TEST_UI_IMM(src, srcw) \ |
| ((src) & SLJIT_IMM) |
| #endif |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op2(struct sljit_compiler *compiler, sljit_si op, |
| sljit_si dst, sljit_sw dstw, |
| sljit_si src1, sljit_sw src1w, |
| sljit_si src2, sljit_sw src2w) |
| { |
| sljit_si flags = GET_FLAGS(op) ? ALT_SET_FLAGS : 0; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| ADJUST_LOCAL_OFFSET(src1, src1w); |
| ADJUST_LOCAL_OFFSET(src2, src2w); |
| |
| if ((src1 & SLJIT_IMM) && src1w == 0) |
| src1 = TMP_ZERO; |
| if ((src2 & SLJIT_IMM) && src2w == 0) |
| src2 = TMP_ZERO; |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if (op & SLJIT_INT_OP) { |
| /* Most operations expect sign extended arguments. */ |
| flags |= INT_DATA | SIGNED_DATA; |
| if (src1 & SLJIT_IMM) |
| src1w = (sljit_si)(src1w); |
| if (src2 & SLJIT_IMM) |
| src2w = (sljit_si)(src2w); |
| if (GET_FLAGS(op)) |
| flags |= ALT_SIGN_EXT; |
| } |
| #endif |
| if (op & SLJIT_SET_O) |
| FAIL_IF(push_inst(compiler, MTXER | S(TMP_ZERO))); |
| if (src2 == TMP_REG2) |
| flags |= ALT_KEEP_CACHE; |
| |
| switch (GET_OPCODE(op)) { |
| case SLJIT_ADD: |
| if (!GET_FLAGS(op) && ((src1 | src2) & SLJIT_IMM)) { |
| if (TEST_SL_IMM(src2, src2w)) { |
| compiler->imm = src2w & 0xffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| if (TEST_SL_IMM(src1, src1w)) { |
| compiler->imm = src1w & 0xffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0); |
| } |
| if (TEST_SH_IMM(src2, src2w)) { |
| compiler->imm = (src2w >> 16) & 0xffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| if (TEST_SH_IMM(src1, src1w)) { |
| compiler->imm = (src1w >> 16) & 0xffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0); |
| } |
| /* Range between -1 and -32768 is covered above. */ |
| if (TEST_ADD_IMM(src2, src2w)) { |
| compiler->imm = src2w & 0xffffffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| if (TEST_ADD_IMM(src1, src1w)) { |
| compiler->imm = src1w & 0xffffffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM4, dst, dstw, src2, src2w, TMP_REG2, 0); |
| } |
| } |
| if (!(GET_FLAGS(op) & (SLJIT_SET_E | SLJIT_SET_O))) { |
| if (TEST_SL_IMM(src2, src2w)) { |
| compiler->imm = src2w & 0xffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| if (TEST_SL_IMM(src1, src1w)) { |
| compiler->imm = src1w & 0xffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0); |
| } |
| } |
| return emit_op(compiler, SLJIT_ADD, flags, dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_ADDC: |
| return emit_op(compiler, SLJIT_ADDC, flags | (!(op & SLJIT_KEEP_FLAGS) ? 0 : ALT_FORM1), dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_SUB: |
| if (!GET_FLAGS(op) && ((src1 | src2) & SLJIT_IMM)) { |
| if (TEST_SL_IMM(src2, -src2w)) { |
| compiler->imm = (-src2w) & 0xffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| if (TEST_SL_IMM(src1, src1w)) { |
| compiler->imm = src1w & 0xffff; |
| return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0); |
| } |
| if (TEST_SH_IMM(src2, -src2w)) { |
| compiler->imm = ((-src2w) >> 16) & 0xffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| /* Range between -1 and -32768 is covered above. */ |
| if (TEST_ADD_IMM(src2, -src2w)) { |
| compiler->imm = -src2w & 0xffffffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| } |
| if (dst == SLJIT_UNUSED && (op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S)) && !(op & (SLJIT_SET_O | SLJIT_SET_C))) { |
| if (!(op & SLJIT_SET_U)) { |
| /* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */ |
| if (TEST_SL_IMM(src2, src2w)) { |
| compiler->imm = src2w & 0xffff; |
| return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| if (GET_FLAGS(op) == SLJIT_SET_E && TEST_SL_IMM(src1, src1w)) { |
| compiler->imm = src1w & 0xffff; |
| return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0); |
| } |
| } |
| if (!(op & (SLJIT_SET_E | SLJIT_SET_S))) { |
| /* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */ |
| if (TEST_UL_IMM(src2, src2w)) { |
| compiler->imm = src2w & 0xffff; |
| return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w); |
| } |
| if ((src2 & SLJIT_IMM) && src2w >= 0 && src2w <= 0x7fff) { |
| compiler->imm = src2w; |
| return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| return emit_op(compiler, SLJIT_SUB, flags | ((op & SLJIT_SET_U) ? ALT_FORM4 : 0) | ((op & (SLJIT_SET_E | SLJIT_SET_S)) ? ALT_FORM5 : 0), dst, dstw, src1, src1w, src2, src2w); |
| } |
| if (!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O))) { |
| if (TEST_SL_IMM(src2, -src2w)) { |
| compiler->imm = (-src2w) & 0xffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| } |
| /* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */ |
| return emit_op(compiler, SLJIT_SUB, flags | (!(op & SLJIT_SET_U) ? 0 : ALT_FORM6), dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_SUBC: |
| return emit_op(compiler, SLJIT_SUBC, flags | (!(op & SLJIT_KEEP_FLAGS) ? 0 : ALT_FORM1), dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_MUL: |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if (op & SLJIT_INT_OP) |
| flags |= ALT_FORM2; |
| #endif |
| if (!GET_FLAGS(op)) { |
| if (TEST_SL_IMM(src2, src2w)) { |
| compiler->imm = src2w & 0xffff; |
| return emit_op(compiler, SLJIT_MUL, flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| if (TEST_SL_IMM(src1, src1w)) { |
| compiler->imm = src1w & 0xffff; |
| return emit_op(compiler, SLJIT_MUL, flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0); |
| } |
| } |
| return emit_op(compiler, SLJIT_MUL, flags, dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_AND: |
| case SLJIT_OR: |
| case SLJIT_XOR: |
| /* Commutative unsigned operations. */ |
| if (!GET_FLAGS(op) || GET_OPCODE(op) == SLJIT_AND) { |
| if (TEST_UL_IMM(src2, src2w)) { |
| compiler->imm = src2w; |
| return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| if (TEST_UL_IMM(src1, src1w)) { |
| compiler->imm = src1w; |
| return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0); |
| } |
| if (TEST_UH_IMM(src2, src2w)) { |
| compiler->imm = (src2w >> 16) & 0xffff; |
| return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| if (TEST_UH_IMM(src1, src1w)) { |
| compiler->imm = (src1w >> 16) & 0xffff; |
| return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0); |
| } |
| } |
| if (!GET_FLAGS(op) && GET_OPCODE(op) != SLJIT_AND) { |
| if (TEST_UI_IMM(src2, src2w)) { |
| compiler->imm = src2w; |
| return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| if (TEST_UI_IMM(src1, src1w)) { |
| compiler->imm = src1w; |
| return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0); |
| } |
| } |
| return emit_op(compiler, GET_OPCODE(op), flags, dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_ASHR: |
| if (op & SLJIT_KEEP_FLAGS) |
| flags |= ALT_FORM3; |
| /* Fall through. */ |
| case SLJIT_SHL: |
| case SLJIT_LSHR: |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if (op & SLJIT_INT_OP) |
| flags |= ALT_FORM2; |
| #endif |
| if (src2 & SLJIT_IMM) { |
| compiler->imm = src2w; |
| return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| return emit_op(compiler, GET_OPCODE(op), flags, dst, dstw, src1, src1w, src2, src2w); |
| } |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_register_index(sljit_si reg) |
| { |
| CHECK_REG_INDEX(check_sljit_get_register_index(reg)); |
| return reg_map[reg]; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_float_register_index(sljit_si reg) |
| { |
| CHECK_REG_INDEX(check_sljit_get_float_register_index(reg)); |
| return reg; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_custom(struct sljit_compiler *compiler, |
| void *instruction, sljit_si size) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op_custom(compiler, instruction, size)); |
| |
| return push_inst(compiler, *(sljit_ins*)instruction); |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* Floating point operators */ |
| /* --------------------------------------------------------------------- */ |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_is_fpu_available(void) |
| { |
| #ifdef SLJIT_IS_FPU_AVAILABLE |
| return SLJIT_IS_FPU_AVAILABLE; |
| #else |
| /* Available by default. */ |
| return 1; |
| #endif |
| } |
| |
| #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_SINGLE_OP) >> 6)) |
| #define SELECT_FOP(op, single, double) ((op & SLJIT_SINGLE_OP) ? single : double) |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| #define FLOAT_TMP_MEM_OFFSET (6 * sizeof(sljit_sw)) |
| #else |
| #define FLOAT_TMP_MEM_OFFSET (2 * sizeof(sljit_sw)) |
| |
| #if (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN) |
| #define FLOAT_TMP_MEM_OFFSET_LOW (2 * sizeof(sljit_sw)) |
| #define FLOAT_TMP_MEM_OFFSET_HI (3 * sizeof(sljit_sw)) |
| #else |
| #define FLOAT_TMP_MEM_OFFSET_LOW (3 * sizeof(sljit_sw)) |
| #define FLOAT_TMP_MEM_OFFSET_HI (2 * sizeof(sljit_sw)) |
| #endif |
| |
| #endif /* SLJIT_CONFIG_PPC_64 */ |
| |
| static SLJIT_INLINE sljit_si sljit_emit_fop1_convw_fromd(struct sljit_compiler *compiler, sljit_si op, |
| sljit_si dst, sljit_sw dstw, |
| sljit_si src, sljit_sw srcw) |
| { |
| if (src & SLJIT_MEM) { |
| /* We can ignore the temporary data store on the stack from caching point of view. */ |
| FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); |
| src = TMP_FREG1; |
| } |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| op = GET_OPCODE(op); |
| FAIL_IF(push_inst(compiler, (op == SLJIT_CONVI_FROMD ? FCTIWZ : FCTIDZ) | FD(TMP_FREG1) | FB(src))); |
| |
| if (dst == SLJIT_UNUSED) |
| return SLJIT_SUCCESS; |
| |
| if (op == SLJIT_CONVW_FROMD) { |
| if (FAST_IS_REG(dst)) { |
| FAIL_IF(emit_op_mem2(compiler, DOUBLE_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, 0, 0)); |
| return emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, 0, 0); |
| } |
| return emit_op_mem2(compiler, DOUBLE_DATA, TMP_FREG1, dst, dstw, 0, 0); |
| } |
| |
| #else |
| FAIL_IF(push_inst(compiler, FCTIWZ | FD(TMP_FREG1) | FB(src))); |
| |
| if (dst == SLJIT_UNUSED) |
| return SLJIT_SUCCESS; |
| #endif |
| |
| if (FAST_IS_REG(dst)) { |
| FAIL_IF(load_immediate(compiler, TMP_REG1, FLOAT_TMP_MEM_OFFSET)); |
| FAIL_IF(push_inst(compiler, STFIWX | FS(TMP_FREG1) | A(SLJIT_SP) | B(TMP_REG1))); |
| return emit_op_mem2(compiler, INT_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, 0, 0); |
| } |
| |
| SLJIT_ASSERT(dst & SLJIT_MEM); |
| |
| if (dst & OFFS_REG_MASK) { |
| dstw &= 0x3; |
| if (dstw) { |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| FAIL_IF(push_inst(compiler, RLWINM | S(OFFS_REG(dst)) | A(TMP_REG1) | (dstw << 11) | ((31 - dstw) << 1))); |
| #else |
| FAIL_IF(push_inst(compiler, RLDI(TMP_REG1, OFFS_REG(dst), dstw, 63 - dstw, 1))); |
| #endif |
| dstw = TMP_REG1; |
| } |
| else |
| dstw = OFFS_REG(dst); |
| } |
| else { |
| if ((dst & REG_MASK) && !dstw) { |
| dstw = dst & REG_MASK; |
| dst = 0; |
| } |
| else { |
| /* This works regardless we have SLJIT_MEM1 or SLJIT_MEM0. */ |
| FAIL_IF(load_immediate(compiler, TMP_REG1, dstw)); |
| dstw = TMP_REG1; |
| } |
| } |
| |
| return push_inst(compiler, STFIWX | FS(TMP_FREG1) | A(dst & REG_MASK) | B(dstw)); |
| } |
| |
| static SLJIT_INLINE sljit_si sljit_emit_fop1_convd_fromw(struct sljit_compiler *compiler, sljit_si op, |
| sljit_si dst, sljit_sw dstw, |
| sljit_si src, sljit_sw srcw) |
| { |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| |
| sljit_si dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; |
| |
| if (src & SLJIT_IMM) { |
| if (GET_OPCODE(op) == SLJIT_CONVD_FROMI) |
| srcw = (sljit_si)srcw; |
| FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); |
| src = TMP_REG1; |
| } |
| else if (GET_OPCODE(op) == SLJIT_CONVD_FROMI) { |
| if (FAST_IS_REG(src)) |
| FAIL_IF(push_inst(compiler, EXTSW | S(src) | A(TMP_REG1))); |
| else |
| FAIL_IF(emit_op_mem2(compiler, INT_DATA | SIGNED_DATA | LOAD_DATA, TMP_REG1, src, srcw, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET)); |
| src = TMP_REG1; |
| } |
| |
| if (FAST_IS_REG(src)) { |
| FAIL_IF(emit_op_mem2(compiler, WORD_DATA, src, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET)); |
| FAIL_IF(emit_op_mem2(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, dst, dstw)); |
| } |
| else |
| FAIL_IF(emit_op_mem2(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); |
| |
| FAIL_IF(push_inst(compiler, FCFID | FD(dst_r) | FB(TMP_FREG1))); |
| |
| if (dst & SLJIT_MEM) |
| return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0); |
| if (op & SLJIT_SINGLE_OP) |
| return push_inst(compiler, FRSP | FD(dst_r) | FB(dst_r)); |
| return SLJIT_SUCCESS; |
| |
| #else |
| |
| sljit_si dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; |
| sljit_si invert_sign = 1; |
| |
| if (src & SLJIT_IMM) { |
| FAIL_IF(load_immediate(compiler, TMP_REG1, srcw ^ 0x80000000)); |
| src = TMP_REG1; |
| invert_sign = 0; |
| } |
| else if (!FAST_IS_REG(src)) { |
| FAIL_IF(emit_op_mem2(compiler, WORD_DATA | SIGNED_DATA | LOAD_DATA, TMP_REG1, src, srcw, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_LOW)); |
| src = TMP_REG1; |
| } |
| |
| /* First, a special double floating point value is constructed: (2^53 + (input xor (2^31))) |
| The double precision format has exactly 53 bit precision, so the lower 32 bit represents |
| the lower 32 bit of such value. The result of xor 2^31 is the same as adding 0x80000000 |
| to the input, which shifts it into the 0 - 0xffffffff range. To get the converted floating |
| point value, we need to substract 2^53 + 2^31 from the constructed value. */ |
| FAIL_IF(push_inst(compiler, ADDIS | D(TMP_REG2) | A(0) | 0x4330)); |
| if (invert_sign) |
| FAIL_IF(push_inst(compiler, XORIS | S(src) | A(TMP_REG1) | 0x8000)); |
| FAIL_IF(emit_op_mem2(compiler, WORD_DATA, TMP_REG2, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_HI, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET)); |
| FAIL_IF(emit_op_mem2(compiler, WORD_DATA, TMP_REG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_LOW, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_HI)); |
| FAIL_IF(push_inst(compiler, ADDIS | D(TMP_REG1) | A(0) | 0x8000)); |
| FAIL_IF(emit_op_mem2(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_LOW)); |
| FAIL_IF(emit_op_mem2(compiler, WORD_DATA, TMP_REG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_LOW, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET)); |
| FAIL_IF(emit_op_mem2(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG2, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_LOW)); |
| |
| FAIL_IF(push_inst(compiler, FSUB | FD(dst_r) | FA(TMP_FREG1) | FB(TMP_FREG2))); |
| |
| if (dst & SLJIT_MEM) |
| return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0); |
| if (op & SLJIT_SINGLE_OP) |
| return push_inst(compiler, FRSP | FD(dst_r) | FB(dst_r)); |
| return SLJIT_SUCCESS; |
| |
| #endif |
| } |
| |
| static SLJIT_INLINE sljit_si sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_si op, |
| sljit_si src1, sljit_sw src1w, |
| sljit_si src2, sljit_sw src2w) |
| { |
| if (src1 & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); |
| src1 = TMP_FREG1; |
| } |
| |
| if (src2 & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0)); |
| src2 = TMP_FREG2; |
| } |
| |
| return push_inst(compiler, FCMPU | CRD(4) | FA(src1) | FB(src2)); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop1(struct sljit_compiler *compiler, sljit_si op, |
| sljit_si dst, sljit_sw dstw, |
| sljit_si src, sljit_sw srcw) |
| { |
| sljit_si dst_r; |
| |
| CHECK_ERROR(); |
| compiler->cache_arg = 0; |
| compiler->cache_argw = 0; |
| |
| SLJIT_COMPILE_ASSERT((SLJIT_SINGLE_OP == 0x100) && !(DOUBLE_DATA & 0x4), float_transfer_bit_error); |
| SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw); |
| |
| if (GET_OPCODE(op) == SLJIT_CONVD_FROMS) |
| op ^= SLJIT_SINGLE_OP; |
| |
| dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; |
| |
| if (src & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw)); |
| src = dst_r; |
| } |
| |
| switch (GET_OPCODE(op)) { |
| case SLJIT_CONVD_FROMS: |
| op ^= SLJIT_SINGLE_OP; |
| if (op & SLJIT_SINGLE_OP) { |
| FAIL_IF(push_inst(compiler, FRSP | FD(dst_r) | FB(src))); |
| break; |
| } |
| /* Fall through. */ |
| case SLJIT_DMOV: |
| if (src != dst_r) { |
| if (dst_r != TMP_FREG1) |
| FAIL_IF(push_inst(compiler, FMR | FD(dst_r) | FB(src))); |
| else |
| dst_r = src; |
| } |
| break; |
| case SLJIT_DNEG: |
| FAIL_IF(push_inst(compiler, FNEG | FD(dst_r) | FB(src))); |
| break; |
| case SLJIT_DABS: |
| FAIL_IF(push_inst(compiler, FABS | FD(dst_r) | FB(src))); |
| break; |
| } |
| |
| if (dst & SLJIT_MEM) |
| FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0)); |
| return SLJIT_SUCCESS; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop2(struct sljit_compiler *compiler, sljit_si op, |
| sljit_si dst, sljit_sw dstw, |
| sljit_si src1, sljit_sw src1w, |
| sljit_si src2, sljit_sw src2w) |
| { |
| sljit_si dst_r, flags = 0; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| ADJUST_LOCAL_OFFSET(src1, src1w); |
| ADJUST_LOCAL_OFFSET(src2, src2w); |
| |
| compiler->cache_arg = 0; |
| compiler->cache_argw = 0; |
| |
| dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG2; |
| |
| if (src1 & SLJIT_MEM) { |
| if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) { |
| FAIL_IF(compiler->error); |
| src1 = TMP_FREG1; |
| } else |
| flags |= ALT_FORM1; |
| } |
| |
| if (src2 & SLJIT_MEM) { |
| if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) { |
| FAIL_IF(compiler->error); |
| src2 = TMP_FREG2; |
| } else |
| flags |= ALT_FORM2; |
| } |
| |
| if ((flags & (ALT_FORM1 | ALT_FORM2)) == (ALT_FORM1 | ALT_FORM2)) { |
| if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { |
| FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w)); |
| FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw)); |
| } |
| else { |
| FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); |
| FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw)); |
| } |
| } |
| else if (flags & ALT_FORM1) |
| FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw)); |
| else if (flags & ALT_FORM2) |
| FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw)); |
| |
| if (flags & ALT_FORM1) |
| src1 = TMP_FREG1; |
| if (flags & ALT_FORM2) |
| src2 = TMP_FREG2; |
| |
| switch (GET_OPCODE(op)) { |
| case SLJIT_DADD: |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADD) | FD(dst_r) | FA(src1) | FB(src2))); |
| break; |
| |
| case SLJIT_DSUB: |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUB) | FD(dst_r) | FA(src1) | FB(src2))); |
| break; |
| |
| case SLJIT_DMUL: |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMUL) | FD(dst_r) | FA(src1) | FC(src2) /* FMUL use FC as src2 */)); |
| break; |
| |
| case SLJIT_DDIV: |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIV) | FD(dst_r) | FA(src1) | FB(src2))); |
| break; |
| } |
| |
| if (dst_r == TMP_FREG2) |
| FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0)); |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| #undef FLOAT_DATA |
| #undef SELECT_FOP |
| |
| /* --------------------------------------------------------------------- */ |
| /* Other instructions */ |
| /* --------------------------------------------------------------------- */ |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| |
| /* For UNUSED dst. Uncommon, but possible. */ |
| if (dst == SLJIT_UNUSED) |
| return SLJIT_SUCCESS; |
| |
| if (FAST_IS_REG(dst)) |
| return push_inst(compiler, MFLR | D(dst)); |
| |
| /* Memory. */ |
| FAIL_IF(push_inst(compiler, MFLR | D(TMP_REG2))); |
| return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_si src, sljit_sw srcw) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_fast_return(compiler, src, srcw)); |
| ADJUST_LOCAL_OFFSET(src, srcw); |
| |
| if (FAST_IS_REG(src)) |
| FAIL_IF(push_inst(compiler, MTLR | S(src))); |
| else { |
| if (src & SLJIT_MEM) |
| FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw)); |
| else if (src & SLJIT_IMM) |
| FAIL_IF(load_immediate(compiler, TMP_REG2, srcw)); |
| FAIL_IF(push_inst(compiler, MTLR | S(TMP_REG2))); |
| } |
| return push_inst(compiler, BLR); |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* Conditional instructions */ |
| /* --------------------------------------------------------------------- */ |
| |
| SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler) |
| { |
| struct sljit_label *label; |
| |
| CHECK_ERROR_PTR(); |
| CHECK_PTR(check_sljit_emit_label(compiler)); |
| |
| if (compiler->last_label && compiler->last_label->size == compiler->size) |
| return compiler->last_label; |
| |
| label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label)); |
| PTR_FAIL_IF(!label); |
| set_label(label, compiler); |
| return label; |
| } |
| |
| static sljit_ins get_bo_bi_flags(sljit_si type) |
| { |
| switch (type) { |
| case SLJIT_EQUAL: |
| return (12 << 21) | (2 << 16); |
| |
| case SLJIT_NOT_EQUAL: |
| return (4 << 21) | (2 << 16); |
| |
| case SLJIT_LESS: |
| case SLJIT_D_LESS: |
| return (12 << 21) | ((4 + 0) << 16); |
| |
| case SLJIT_GREATER_EQUAL: |
| case SLJIT_D_GREATER_EQUAL: |
| return (4 << 21) | ((4 + 0) << 16); |
| |
| case SLJIT_GREATER: |
| case SLJIT_D_GREATER: |
| return (12 << 21) | ((4 + 1) << 16); |
| |
| case SLJIT_LESS_EQUAL: |
| case SLJIT_D_LESS_EQUAL: |
| return (4 << 21) | ((4 + 1) << 16); |
| |
| case SLJIT_SIG_LESS: |
| return (12 << 21) | (0 << 16); |
| |
| case SLJIT_SIG_GREATER_EQUAL: |
| return (4 << 21) | (0 << 16); |
| |
| case SLJIT_SIG_GREATER: |
| return (12 << 21) | (1 << 16); |
| |
| case SLJIT_SIG_LESS_EQUAL: |
| return (4 << 21) | (1 << 16); |
| |
| case SLJIT_OVERFLOW: |
| case SLJIT_MUL_OVERFLOW: |
| return (12 << 21) | (3 << 16); |
| |
| case SLJIT_NOT_OVERFLOW: |
| case SLJIT_MUL_NOT_OVERFLOW: |
| return (4 << 21) | (3 << 16); |
| |
| case SLJIT_D_EQUAL: |
| return (12 << 21) | ((4 + 2) << 16); |
| |
| case SLJIT_D_NOT_EQUAL: |
| return (4 << 21) | ((4 + 2) << 16); |
| |
| case SLJIT_D_UNORDERED: |
| return (12 << 21) | ((4 + 3) << 16); |
| |
| case SLJIT_D_ORDERED: |
| return (4 << 21) | ((4 + 3) << 16); |
| |
| default: |
| SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL3); |
| return (20 << 21); |
| } |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_si type) |
| { |
| struct sljit_jump *jump; |
| sljit_ins bo_bi_flags; |
| |
| CHECK_ERROR_PTR(); |
| CHECK_PTR(check_sljit_emit_jump(compiler, type)); |
| |
| bo_bi_flags = get_bo_bi_flags(type & 0xff); |
| if (!bo_bi_flags) |
| return NULL; |
| |
| jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); |
| PTR_FAIL_IF(!jump); |
| set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP); |
| type &= 0xff; |
| |
| /* In PPC, we don't need to touch the arguments. */ |
| if (type < SLJIT_JUMP) |
| jump->flags |= IS_COND; |
| #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) |
| if (type >= SLJIT_CALL0) |
| jump->flags |= IS_CALL; |
| #endif |
| |
| PTR_FAIL_IF(emit_const(compiler, TMP_CALL_REG, 0)); |
| PTR_FAIL_IF(push_inst(compiler, MTCTR | S(TMP_CALL_REG))); |
| jump->addr = compiler->size; |
| PTR_FAIL_IF(push_inst(compiler, BCCTR | bo_bi_flags | (type >= SLJIT_FAST_CALL ? 1 : 0))); |
| return jump; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_ijump(struct sljit_compiler *compiler, sljit_si type, sljit_si src, sljit_sw srcw) |
| { |
| struct sljit_jump *jump = NULL; |
| sljit_si src_r; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_ijump(compiler, type, src, srcw)); |
| ADJUST_LOCAL_OFFSET(src, srcw); |
| |
| if (FAST_IS_REG(src)) { |
| #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) |
| if (type >= SLJIT_CALL0) { |
| FAIL_IF(push_inst(compiler, OR | S(src) | A(TMP_CALL_REG) | B(src))); |
| src_r = TMP_CALL_REG; |
| } |
| else |
| src_r = src; |
| #else |
| src_r = src; |
| #endif |
| } else if (src & SLJIT_IMM) { |
| jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); |
| FAIL_IF(!jump); |
| set_jump(jump, compiler, JUMP_ADDR); |
| jump->u.target = srcw; |
| #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) |
| if (type >= SLJIT_CALL0) |
| jump->flags |= IS_CALL; |
| #endif |
| FAIL_IF(emit_const(compiler, TMP_CALL_REG, 0)); |
| src_r = TMP_CALL_REG; |
| } |
| else { |
| FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_CALL_REG, 0, TMP_REG1, 0, src, srcw)); |
| src_r = TMP_CALL_REG; |
| } |
| |
| FAIL_IF(push_inst(compiler, MTCTR | S(src_r))); |
| if (jump) |
| jump->addr = compiler->size; |
| return push_inst(compiler, BCCTR | (20 << 21) | (type >= SLJIT_FAST_CALL ? 1 : 0)); |
| } |
| |
| /* Get a bit from CR, all other bits are zeroed. */ |
| #define GET_CR_BIT(bit, dst) \ |
| FAIL_IF(push_inst(compiler, MFCR | D(dst))); \ |
| FAIL_IF(push_inst(compiler, RLWINM | S(dst) | A(dst) | ((1 + (bit)) << 11) | (31 << 6) | (31 << 1))); |
| |
| #define INVERT_BIT(dst) \ |
| FAIL_IF(push_inst(compiler, XORI | S(dst) | A(dst) | 0x1)); |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_si op, |
| sljit_si dst, sljit_sw dstw, |
| sljit_si src, sljit_sw srcw, |
| sljit_si type) |
| { |
| sljit_si reg, input_flags; |
| sljit_si flags = GET_ALL_FLAGS(op); |
| sljit_sw original_dstw = dstw; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| |
| if (dst == SLJIT_UNUSED) |
| return SLJIT_SUCCESS; |
| |
| op = GET_OPCODE(op); |
| reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2; |
| |
| compiler->cache_arg = 0; |
| compiler->cache_argw = 0; |
| if (op >= SLJIT_ADD && (src & SLJIT_MEM)) { |
| ADJUST_LOCAL_OFFSET(src, srcw); |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| input_flags = (flags & SLJIT_INT_OP) ? INT_DATA : WORD_DATA; |
| #else |
| input_flags = WORD_DATA; |
| #endif |
| FAIL_IF(emit_op_mem2(compiler, input_flags | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw)); |
| src = TMP_REG1; |
| srcw = 0; |
| } |
| |
| switch (type & 0xff) { |
| case SLJIT_EQUAL: |
| GET_CR_BIT(2, reg); |
| break; |
| |
| case SLJIT_NOT_EQUAL: |
| GET_CR_BIT(2, reg); |
| INVERT_BIT(reg); |
| break; |
| |
| case SLJIT_LESS: |
| case SLJIT_D_LESS: |
| GET_CR_BIT(4 + 0, reg); |
| break; |
| |
| case SLJIT_GREATER_EQUAL: |
| case SLJIT_D_GREATER_EQUAL: |
| GET_CR_BIT(4 + 0, reg); |
| INVERT_BIT(reg); |
| break; |
| |
| case SLJIT_GREATER: |
| case SLJIT_D_GREATER: |
| GET_CR_BIT(4 + 1, reg); |
| break; |
| |
| case SLJIT_LESS_EQUAL: |
| case SLJIT_D_LESS_EQUAL: |
| GET_CR_BIT(4 + 1, reg); |
| INVERT_BIT(reg); |
| break; |
| |
| case SLJIT_SIG_LESS: |
| GET_CR_BIT(0, reg); |
| break; |
| |
| case SLJIT_SIG_GREATER_EQUAL: |
| GET_CR_BIT(0, reg); |
| INVERT_BIT(reg); |
| break; |
| |
| case SLJIT_SIG_GREATER: |
| GET_CR_BIT(1, reg); |
| break; |
| |
| case SLJIT_SIG_LESS_EQUAL: |
| GET_CR_BIT(1, reg); |
| INVERT_BIT(reg); |
| break; |
| |
| case SLJIT_OVERFLOW: |
| case SLJIT_MUL_OVERFLOW: |
| GET_CR_BIT(3, reg); |
| break; |
| |
| case SLJIT_NOT_OVERFLOW: |
| case SLJIT_MUL_NOT_OVERFLOW: |
| GET_CR_BIT(3, reg); |
| INVERT_BIT(reg); |
| break; |
| |
| case SLJIT_D_EQUAL: |
| GET_CR_BIT(4 + 2, reg); |
| break; |
| |
| case SLJIT_D_NOT_EQUAL: |
| GET_CR_BIT(4 + 2, reg); |
| INVERT_BIT(reg); |
| break; |
| |
| case SLJIT_D_UNORDERED: |
| GET_CR_BIT(4 + 3, reg); |
| break; |
| |
| case SLJIT_D_ORDERED: |
| GET_CR_BIT(4 + 3, reg); |
| INVERT_BIT(reg); |
| break; |
| |
| default: |
| SLJIT_ASSERT_STOP(); |
| break; |
| } |
| |
| if (op < SLJIT_ADD) { |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if (op == SLJIT_MOV) |
| input_flags = WORD_DATA; |
| else { |
| op = SLJIT_MOV_UI; |
| input_flags = INT_DATA; |
| } |
| #else |
| op = SLJIT_MOV; |
| input_flags = WORD_DATA; |
| #endif |
| if (reg != TMP_REG2) |
| return SLJIT_SUCCESS; |
| return emit_op(compiler, op, input_flags, dst, dstw, TMP_REG1, 0, TMP_REG2, 0); |
| } |
| |
| #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ |
| || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) |
| compiler->skip_checks = 1; |
| #endif |
| return sljit_emit_op2(compiler, op | flags, dst, original_dstw, src, srcw, TMP_REG2, 0); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw init_value) |
| { |
| struct sljit_const *const_; |
| sljit_si reg; |
| |
| CHECK_ERROR_PTR(); |
| CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| |
| const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const)); |
| PTR_FAIL_IF(!const_); |
| set_const(const_, compiler); |
| |
| reg = SLOW_IS_REG(dst) ? dst : TMP_REG2; |
| |
| PTR_FAIL_IF(emit_const(compiler, reg, init_value)); |
| |
| if (dst & SLJIT_MEM) |
| PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0)); |
| return const_; |
| } |