| /* |
| * Stack-less Just-In-Time compiler |
| * |
| * Copyright 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 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_u32 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 _CALL_ELF && _CALL_ELF == 2) |
| #define SLJIT_PASS_ENTRY_ADDR_TO_CALL 1 |
| #endif |
| |
| #if (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) |
| |
| 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 */ |
| } |
| |
| #endif /* (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) */ |
| |
| #define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2) |
| #define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3) |
| #define TMP_ZERO (SLJIT_NUMBER_OF_REGISTERS + 4) |
| |
| #if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) |
| #define TMP_CALL_REG (SLJIT_NUMBER_OF_REGISTERS + 5) |
| #else |
| #define TMP_CALL_REG TMP_REG2 |
| #endif |
| |
| #define TMP_FREG1 (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1) |
| #define TMP_FREG2 (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 2) |
| |
| static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 7] = { |
| 0, 3, 4, 5, 6, 7, 8, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 1, 9, 10, 31, 12 |
| }; |
| |
| static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 3] = { |
| 0, 1, 2, 3, 4, 5, 6, 0, 7 |
| }; |
| |
| /* --------------------------------------------------------------------- */ |
| /* 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) (freg_map[fd] << 21) |
| #define FS(fs) (freg_map[fs] << 21) |
| #define FA(fa) (freg_map[fa] << 16) |
| #define FB(fb) (freg_map[fb] << 11) |
| #define FC(fc) (freg_map[fc] << 6) |
| #define IMM(imm) ((imm) & 0xffff) |
| #define CRD(d) ((d) << 21) |
| |
| /* Instruction bit sections. |
| OE and Rc flag (see ALT_SET_FLAGS). */ |
| #define OE(flags) ((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 DCBT (HI(31) | LO(278)) |
| #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) |
| |
| #define RLDI(dst, src, sh, mb, type) \ |
| (HI(30) | S(src) | A(dst) | ((type) << 2) | (((sh) & 0x1f) << 11) | (((sh) & 0x20) >> 4) | (((mb) & 0x1f) << 6) | ((mb) & 0x20)) |
| |
| #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_s32 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_s32 detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code, sljit_sw executable_offset) |
| { |
| 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) + (sljit_uw)executable_offset; |
| } |
| |
| #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) - executable_offset) & ~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; |
| } |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| |
| static SLJIT_INLINE sljit_sw put_label_get_length(struct sljit_put_label *put_label, sljit_uw max_label) |
| { |
| if (max_label < 0x100000000l) { |
| put_label->flags = 0; |
| return 1; |
| } |
| |
| if (max_label < 0x1000000000000l) { |
| put_label->flags = 1; |
| return 3; |
| } |
| |
| put_label->flags = 2; |
| return 4; |
| } |
| |
| static SLJIT_INLINE void put_label_set(struct sljit_put_label *put_label) |
| { |
| sljit_uw addr = put_label->label->addr; |
| sljit_ins *inst = (sljit_ins *)put_label->addr; |
| sljit_s32 reg = *inst; |
| |
| if (put_label->flags == 0) { |
| SLJIT_ASSERT(addr < 0x100000000l); |
| inst[0] = ORIS | S(TMP_ZERO) | A(reg) | IMM(addr >> 16); |
| } |
| else { |
| if (put_label->flags == 1) { |
| SLJIT_ASSERT(addr < 0x1000000000000l); |
| inst[0] = ORI | S(TMP_ZERO) | A(reg) | IMM(addr >> 32); |
| } |
| else { |
| inst[0] = ORIS | S(TMP_ZERO) | A(reg) | IMM(addr >> 48); |
| inst[1] = ORI | S(reg) | A(reg) | IMM((addr >> 32) & 0xffff); |
| inst ++; |
| } |
| |
| inst[1] = RLDI(reg, reg, 32, 31, 1); |
| inst[2] = ORIS | S(reg) | A(reg) | IMM((addr >> 16) & 0xffff); |
| inst += 2; |
| } |
| |
| inst[1] = ORI | S(reg) | A(reg) | IMM(addr & 0xffff); |
| } |
| |
| #endif |
| |
| 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 next_addr; |
| sljit_sw executable_offset; |
| sljit_uw addr; |
| |
| struct sljit_label *label; |
| struct sljit_jump *jump; |
| struct sljit_const *const_; |
| struct sljit_put_label *put_label; |
| |
| 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), compiler->exec_allocator_data); |
| PTR_FAIL_WITH_EXEC_IF(code); |
| buf = compiler->buf; |
| |
| code_ptr = code; |
| word_count = 0; |
| next_addr = 0; |
| executable_offset = SLJIT_EXEC_OFFSET(code); |
| |
| label = compiler->labels; |
| jump = compiler->jumps; |
| const_ = compiler->consts; |
| put_label = compiler->put_labels; |
| |
| do { |
| buf_ptr = (sljit_ins*)buf->memory; |
| buf_end = buf_ptr + (buf->used_size >> 2); |
| do { |
| *code_ptr = *buf_ptr++; |
| if (next_addr == word_count) { |
| SLJIT_ASSERT(!label || label->size >= word_count); |
| SLJIT_ASSERT(!jump || jump->addr >= word_count); |
| SLJIT_ASSERT(!const_ || const_->addr >= word_count); |
| SLJIT_ASSERT(!put_label || put_label->addr >= word_count); |
| |
| /* These structures are ordered by their address. */ |
| if (label && label->size == word_count) { |
| /* Just recording the address. */ |
| label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); |
| 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, executable_offset)) { |
| #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; |
| } |
| if (put_label && put_label->addr == word_count) { |
| SLJIT_ASSERT(put_label->label); |
| put_label->addr = (sljit_uw)code_ptr; |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| code_ptr += put_label_get_length(put_label, (sljit_uw)(SLJIT_ADD_EXEC_OFFSET(code, executable_offset) + put_label->label->size)); |
| word_count += 4; |
| #endif |
| put_label = put_label->next; |
| } |
| next_addr = compute_next_addr(label, jump, const_, put_label); |
| } |
| code_ptr ++; |
| word_count ++; |
| } while (buf_ptr < buf_end); |
| |
| buf = buf->next; |
| } while (buf); |
| |
| if (label && label->size == word_count) { |
| label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); |
| label->size = code_ptr - code; |
| label = label->next; |
| } |
| |
| SLJIT_ASSERT(!label); |
| SLJIT_ASSERT(!jump); |
| SLJIT_ASSERT(!const_); |
| SLJIT_ASSERT(!put_label); |
| |
| #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 -= (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset); |
| 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 -= (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset); |
| 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; |
| } |
| |
| put_label = compiler->put_labels; |
| while (put_label) { |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| addr = put_label->label->addr; |
| buf_ptr = (sljit_ins *)put_label->addr; |
| |
| SLJIT_ASSERT((buf_ptr[0] & 0xfc1f0000) == ADDIS && (buf_ptr[1] & 0xfc000000) == ORI); |
| buf_ptr[0] |= (addr >> 16) & 0xffff; |
| buf_ptr[1] |= addr & 0xffff; |
| #else |
| put_label_set(put_label); |
| #endif |
| put_label = put_label->next; |
| } |
| |
| compiler->error = SLJIT_ERR_COMPILED; |
| compiler->executable_offset = executable_offset; |
| compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins); |
| |
| code = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code, executable_offset); |
| |
| #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++; |
| #endif |
| sljit_set_function_context(NULL, (struct sljit_function_context*)code_ptr, (sljit_sw)code, (void*)sljit_generate_code); |
| #endif |
| |
| code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); |
| |
| SLJIT_CACHE_FLUSH(code, code_ptr); |
| SLJIT_UPDATE_WX_FLAGS(code, code_ptr, 1); |
| |
| #if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) |
| return code_ptr; |
| #else |
| return code; |
| #endif |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type) |
| { |
| switch (feature_type) { |
| case SLJIT_HAS_FPU: |
| #ifdef SLJIT_IS_FPU_AVAILABLE |
| return SLJIT_IS_FPU_AVAILABLE; |
| #else |
| /* Available by default. */ |
| return 1; |
| #endif |
| |
| /* A saved register is set to a zero value. */ |
| case SLJIT_HAS_ZERO_REGISTER: |
| case SLJIT_HAS_CLZ: |
| case SLJIT_HAS_PREFETCH: |
| return 1; |
| |
| default: |
| return 0; |
| } |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* Entry, exit */ |
| /* --------------------------------------------------------------------- */ |
| |
| /* inp_flags: */ |
| |
| /* Creates an index in data_transfer_insts array. */ |
| #define LOAD_DATA 0x01 |
| #define INDEXED 0x02 |
| #define SIGNED_DATA 0x04 |
| |
| #define WORD_DATA 0x00 |
| #define BYTE_DATA 0x08 |
| #define HALF_DATA 0x10 |
| #define INT_DATA 0x18 |
| /* Separates integer and floating point registers */ |
| #define GPR_REG 0x1f |
| #define DOUBLE_DATA 0x20 |
| |
| #define MEM_MASK 0x7f |
| |
| /* Other inp_flags. */ |
| |
| /* Integer opertion and set flags -> requires exts on 64 bit systems. */ |
| #define ALT_SIGN_EXT 0x000100 |
| /* This flag affects the RC() and OERC() macros. */ |
| #define ALT_SET_FLAGS 0x000400 |
| #define ALT_FORM1 0x001000 |
| #define ALT_FORM2 0x002000 |
| #define ALT_FORM3 0x004000 |
| #define ALT_FORM4 0x008000 |
| #define ALT_FORM5 0x010000 |
| |
| /* Source and destination is register. */ |
| #define REG_DEST 0x000001 |
| #define REG1_SOURCE 0x000002 |
| #define REG2_SOURCE 0x000004 |
| /* |
| ALT_SIGN_EXT 0x000100 |
| ALT_SET_FLAGS 0x000200 |
| ALT_FORM1 0x001000 |
| ... |
| ALT_FORM5 0x010000 */ |
| |
| #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_s32 sljit_emit_enter(struct sljit_compiler *compiler, |
| sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds, |
| sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) |
| { |
| sljit_s32 args, i, tmp, offs; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size)); |
| set_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size); |
| |
| FAIL_IF(push_inst(compiler, MFLR | D(0))); |
| offs = -(sljit_s32)(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_s32)(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_s32)(sizeof(sljit_sw)); |
| FAIL_IF(push_inst(compiler, STACK_STORE | S(i) | A(SLJIT_SP) | IMM(offs))); |
| } |
| |
| SLJIT_ASSERT(offs == -(sljit_s32)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)); |
| |
| args = get_arg_count(arg_types); |
| |
| 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_s32 sljit_set_context(struct sljit_compiler *compiler, |
| sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds, |
| sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size)); |
| set_set_context(compiler, options, arg_types, 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_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw) |
| { |
| sljit_s32 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_s32)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_s32)(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_s32)(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 */ |
| /* --------------------------------------------------------------------- */ |
| |
| /* s/l - store/load (1 bit) |
| i/x - immediate/indexed form |
| u/s - signed/unsigned (1 bit) |
| w/b/h/i - word/byte/half/int allowed (2 bit) |
| |
| Some opcodes are repeated (e.g. store signed / unsigned byte is the same instruction). */ |
| |
| /* 64 bit only: [reg+imm] must be aligned to 4 bytes. */ |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| #define INT_ALIGNED 0x10000 |
| #endif |
| |
| #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) | (((flags) & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg))) |
| #endif |
| |
| static const sljit_ins data_transfer_insts[64 + 16] = { |
| |
| /* -------- Integer -------- */ |
| |
| /* Word. */ |
| |
| /* w u i s */ ARCH_32_64(HI(36) /* stw */, HI(62) | INT_ALIGNED | 0x0 /* std */), |
| /* w u i l */ ARCH_32_64(HI(32) /* lwz */, HI(58) | INT_ALIGNED | 0x0 /* ld */), |
| /* w u x s */ ARCH_32_64(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */), |
| /* w u x l */ ARCH_32_64(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */), |
| |
| /* w s i s */ ARCH_32_64(HI(36) /* stw */, HI(62) | INT_ALIGNED | 0x0 /* std */), |
| /* w s i l */ ARCH_32_64(HI(32) /* lwz */, HI(58) | INT_ALIGNED | 0x0 /* ld */), |
| /* w s x s */ ARCH_32_64(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */), |
| /* w s x l */ ARCH_32_64(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */), |
| |
| /* Byte. */ |
| |
| /* b u i s */ HI(38) /* stb */, |
| /* b u i l */ HI(34) /* lbz */, |
| /* b u x s */ HI(31) | LO(215) /* stbx */, |
| /* b u x l */ HI(31) | LO(87) /* lbzx */, |
| |
| /* b s i s */ HI(38) /* stb */, |
| /* b s i l */ HI(34) /* lbz */ /* EXTS_REQ */, |
| /* b s x s */ HI(31) | LO(215) /* stbx */, |
| /* b s x l */ HI(31) | LO(87) /* lbzx */ /* EXTS_REQ */, |
| |
| /* Half. */ |
| |
| /* h u i s */ HI(44) /* sth */, |
| /* h u i l */ HI(40) /* lhz */, |
| /* h u x s */ HI(31) | LO(407) /* sthx */, |
| /* h u x l */ HI(31) | LO(279) /* lhzx */, |
| |
| /* h s i s */ HI(44) /* sth */, |
| /* h s i l */ HI(42) /* lha */, |
| /* h s x s */ HI(31) | LO(407) /* sthx */, |
| /* h s x l */ HI(31) | LO(343) /* lhax */, |
| |
| /* Int. */ |
| |
| /* i u i s */ HI(36) /* stw */, |
| /* i u i l */ HI(32) /* lwz */, |
| /* i u x s */ HI(31) | LO(151) /* stwx */, |
| /* i u x l */ HI(31) | LO(23) /* lwzx */, |
| |
| /* i s i s */ HI(36) /* stw */, |
| /* i s i l */ ARCH_32_64(HI(32) /* lwz */, HI(58) | INT_ALIGNED | 0x2 /* lwa */), |
| /* i s x s */ HI(31) | LO(151) /* stwx */, |
| /* i s x l */ ARCH_32_64(HI(31) | LO(23) /* lwzx */, HI(31) | LO(341) /* lwax */), |
| |
| /* -------- Floating point -------- */ |
| |
| /* d i s */ HI(54) /* stfd */, |
| /* d i l */ HI(50) /* lfd */, |
| /* d x s */ HI(31) | LO(727) /* stfdx */, |
| /* d x l */ HI(31) | LO(599) /* lfdx */, |
| |
| /* s i s */ HI(52) /* stfs */, |
| /* s i l */ HI(48) /* lfs */, |
| /* s x s */ HI(31) | LO(663) /* stfsx */, |
| /* s x l */ HI(31) | LO(535) /* lfsx */, |
| }; |
| |
| static const sljit_ins updated_data_transfer_insts[64] = { |
| |
| /* -------- Integer -------- */ |
| |
| /* Word. */ |
| |
| /* w u i s */ ARCH_32_64(HI(37) /* stwu */, HI(62) | INT_ALIGNED | 0x1 /* stdu */), |
| /* w u i l */ ARCH_32_64(HI(33) /* lwzu */, HI(58) | INT_ALIGNED | 0x1 /* ldu */), |
| /* w u x s */ ARCH_32_64(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */), |
| /* w u x l */ ARCH_32_64(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */), |
| |
| /* w s i s */ ARCH_32_64(HI(37) /* stwu */, HI(62) | INT_ALIGNED | 0x1 /* stdu */), |
| /* w s i l */ ARCH_32_64(HI(33) /* lwzu */, HI(58) | INT_ALIGNED | 0x1 /* ldu */), |
| /* w s x s */ ARCH_32_64(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */), |
| /* w s x l */ ARCH_32_64(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */), |
| |
| /* Byte. */ |
| |
| /* b u i s */ HI(39) /* stbu */, |
| /* b u i l */ HI(35) /* lbzu */, |
| /* b u x s */ HI(31) | LO(247) /* stbux */, |
| /* b u x l */ HI(31) | LO(119) /* lbzux */, |
| |
| /* b s i s */ HI(39) /* stbu */, |
| /* b s i l */ 0 /* no such instruction */, |
| /* b s x s */ HI(31) | LO(247) /* stbux */, |
| /* b s x l */ 0 /* no such instruction */, |
| |
| /* Half. */ |
| |
| /* h u i s */ HI(45) /* sthu */, |
| /* h u i l */ HI(41) /* lhzu */, |
| /* h u x s */ HI(31) | LO(439) /* sthux */, |
| /* h u x l */ HI(31) | LO(311) /* lhzux */, |
| |
| /* h s i s */ HI(45) /* sthu */, |
| /* h s i l */ HI(43) /* lhau */, |
| /* h s x s */ HI(31) | LO(439) /* sthux */, |
| /* h s x l */ HI(31) | LO(375) /* lhaux */, |
| |
| /* Int. */ |
| |
| /* i u i s */ HI(37) /* stwu */, |
| /* i u i l */ HI(33) /* lwzu */, |
| /* i u x s */ HI(31) | LO(183) /* stwux */, |
| /* i u x l */ HI(31) | LO(55) /* lwzux */, |
| |
| /* i s i s */ HI(37) /* stwu */, |
| /* i s i l */ ARCH_32_64(HI(33) /* lwzu */, 0 /* no such instruction */), |
| /* i s x s */ HI(31) | LO(183) /* stwux */, |
| /* i s x l */ ARCH_32_64(HI(31) | LO(55) /* lwzux */, HI(31) | LO(373) /* lwaux */), |
| |
| /* -------- Floating point -------- */ |
| |
| /* d i s */ HI(55) /* stfdu */, |
| /* d i l */ HI(51) /* lfdu */, |
| /* d x s */ HI(31) | LO(759) /* stfdux */, |
| /* d x l */ HI(31) | LO(631) /* lfdux */, |
| |
| /* s i s */ HI(53) /* stfsu */, |
| /* s i l */ HI(49) /* lfsu */, |
| /* s x s */ HI(31) | LO(695) /* stfsux */, |
| /* s x l */ HI(31) | LO(567) /* lfsux */, |
| }; |
| |
| #undef ARCH_32_64 |
| |
| /* Simple cases, (no caching is required). */ |
| static sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 inp_flags, sljit_s32 reg, |
| sljit_s32 arg, sljit_sw argw, sljit_s32 tmp_reg) |
| { |
| sljit_ins inst; |
| sljit_s32 offs_reg; |
| sljit_sw high_short; |
| |
| /* Should work when (arg & REG_MASK) == 0. */ |
| SLJIT_ASSERT(A(0) == 0); |
| SLJIT_ASSERT(arg & SLJIT_MEM); |
| |
| if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { |
| argw &= 0x3; |
| offs_reg = OFFS_REG(arg); |
| |
| if (argw != 0) { |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| FAIL_IF(push_inst(compiler, RLWINM | S(OFFS_REG(arg)) | A(tmp_reg) | (argw << 11) | ((31 - argw) << 1))); |
| #else |
| FAIL_IF(push_inst(compiler, RLDI(tmp_reg, OFFS_REG(arg), argw, 63 - argw, 1))); |
| #endif |
| offs_reg = tmp_reg; |
| } |
| |
| inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| SLJIT_ASSERT(!(inst & INT_ALIGNED)); |
| #endif |
| |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg & REG_MASK) | B(offs_reg)); |
| } |
| |
| inst = data_transfer_insts[inp_flags & MEM_MASK]; |
| arg &= REG_MASK; |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if ((inst & INT_ALIGNED) && (argw & 0x3) != 0) { |
| FAIL_IF(load_immediate(compiler, tmp_reg, argw)); |
| |
| inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg) | B(tmp_reg)); |
| } |
| #endif |
| |
| if (argw <= SIMM_MAX && argw >= SIMM_MIN) |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg) | IMM(argw)); |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if (argw <= 0x7fff7fffl && argw >= -0x80000000l) { |
| #endif |
| |
| high_short = (sljit_s32)(argw + ((argw & 0x8000) << 1)) & ~0xffff; |
| |
| #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); |
| #endif |
| |
| FAIL_IF(push_inst(compiler, ADDIS | D(tmp_reg) | A(arg) | IMM(high_short >> 16))); |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(tmp_reg) | IMM(argw)); |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| } |
| |
| /* The rest is PPC-64 only. */ |
| |
| FAIL_IF(load_immediate(compiler, tmp_reg, argw)); |
| |
| inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; |
| return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg) | B(tmp_reg)); |
| #endif |
| } |
| |
| static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 input_flags, |
| sljit_s32 dst, sljit_sw dstw, |
| sljit_s32 src1, sljit_sw src1w, |
| sljit_s32 src2, sljit_sw src2w) |
| { |
| /* arg1 goes to TMP_REG1 or src reg |
| arg2 goes to TMP_REG2, imm or src reg |
| result goes to TMP_REG2, so put result can use TMP_REG1. */ |
| sljit_s32 dst_r = TMP_REG2; |
| sljit_s32 src1_r; |
| sljit_s32 src2_r; |
| sljit_s32 sugg_src2_r = TMP_REG2; |
| sljit_s32 flags = input_flags & (ALT_FORM1 | ALT_FORM2 | ALT_FORM3 | ALT_FORM4 | ALT_FORM5 | ALT_SIGN_EXT | ALT_SET_FLAGS); |
| |
| /* Destination check. */ |
| if (SLOW_IS_REG(dst)) { |
| dst_r = dst; |
| flags |= REG_DEST; |
| |
| if (op >= SLJIT_MOV && op <= SLJIT_MOV_P) |
| sugg_src2_r = dst_r; |
| } |
| |
| /* 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 { |
| FAIL_IF(emit_op_mem(compiler, input_flags | LOAD_DATA, TMP_REG1, src1, src1w, TMP_REG1)); |
| src1_r = TMP_REG1; |
| } |
| |
| /* Source 2. */ |
| if (FAST_IS_REG(src2)) { |
| src2_r = src2; |
| flags |= REG2_SOURCE; |
| |
| if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOV_P) |
| dst_r = src2_r; |
| } |
| else if (src2 & SLJIT_IMM) { |
| FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w)); |
| src2_r = sugg_src2_r; |
| } |
| else { |
| FAIL_IF(emit_op_mem(compiler, input_flags | LOAD_DATA, sugg_src2_r, src2, src2w, TMP_REG2)); |
| src2_r = sugg_src2_r; |
| } |
| |
| FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r)); |
| |
| if (!(dst & SLJIT_MEM)) |
| return SLJIT_SUCCESS; |
| |
| return emit_op_mem(compiler, input_flags, dst_r, dst, dstw, TMP_REG1); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op) |
| { |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| sljit_s32 int_op = op & SLJIT_I32_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_LMUL_UW: |
| case SLJIT_LMUL_SW: |
| 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_LMUL_UW ? 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_LMUL_UW ? MULHWU : MULHW) | D(SLJIT_R1) | A(TMP_REG1) | B(SLJIT_R1)); |
| #endif |
| case SLJIT_DIVMOD_UW: |
| case SLJIT_DIVMOD_SW: |
| 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_DIVMOD_UW ? DIVWU : DIVW) : (op == SLJIT_DIVMOD_UW ? 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_DIVMOD_UW ? 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_DIV_UW: |
| case SLJIT_DIV_SW: |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| return push_inst(compiler, (int_op ? (op == SLJIT_DIV_UW ? DIVWU : DIVW) : (op == SLJIT_DIV_UW ? DIVDU : DIVD)) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1)); |
| #else |
| return push_inst(compiler, (op == SLJIT_DIV_UW ? DIVWU : DIVW) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1)); |
| #endif |
| case SLJIT_ENDBR: |
| case SLJIT_SKIP_FRAMES_BEFORE_RETURN: |
| return SLJIT_SUCCESS; |
| } |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| static sljit_s32 emit_prefetch(struct sljit_compiler *compiler, |
| sljit_s32 src, sljit_sw srcw) |
| { |
| if (!(src & OFFS_REG_MASK)) { |
| if (srcw == 0 && (src & REG_MASK) != SLJIT_UNUSED) |
| return push_inst(compiler, DCBT | A(0) | B(src & REG_MASK)); |
| |
| FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); |
| /* Works with SLJIT_MEM0() case as well. */ |
| return push_inst(compiler, DCBT | A(src & REG_MASK) | B(TMP_REG1)); |
| } |
| |
| srcw &= 0x3; |
| |
| if (srcw == 0) |
| return push_inst(compiler, DCBT | A(src & REG_MASK) | B(OFFS_REG(src))); |
| |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| FAIL_IF(push_inst(compiler, RLWINM | S(OFFS_REG(src)) | A(TMP_REG1) | (srcw << 11) | ((31 - srcw) << 1))); |
| #else |
| FAIL_IF(push_inst(compiler, RLDI(TMP_REG1, OFFS_REG(src), srcw, 63 - srcw, 1))); |
| #endif |
| return push_inst(compiler, DCBT | A(src & REG_MASK) | B(TMP_REG1)); |
| } |
| |
| #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_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op, |
| sljit_s32 dst, sljit_sw dstw, |
| sljit_s32 src, sljit_sw srcw) |
| { |
| sljit_s32 flags = HAS_FLAGS(op) ? ALT_SET_FLAGS : 0; |
| sljit_s32 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 (GET_FLAG_TYPE(op_flags) == SLJIT_OVERFLOW) |
| FAIL_IF(push_inst(compiler, MTXER | S(TMP_ZERO))); |
| |
| if (op < SLJIT_NOT && 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_flags & SLJIT_I32_OP) { |
| if (op < SLJIT_NOT) { |
| if (src & SLJIT_MEM) { |
| if (op == SLJIT_MOV_S32) |
| op = SLJIT_MOV_U32; |
| } |
| else if (src & SLJIT_IMM) { |
| if (op == SLJIT_MOV_U32) |
| op = SLJIT_MOV_S32; |
| } |
| } |
| else { |
| /* Most operations expect sign extended arguments. */ |
| flags |= INT_DATA | SIGNED_DATA; |
| if (HAS_FLAGS(op_flags)) |
| flags |= ALT_SIGN_EXT; |
| } |
| } |
| #endif |
| |
| switch (op) { |
| case SLJIT_MOV: |
| case SLJIT_MOV_P: |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| case SLJIT_MOV_U32: |
| case SLJIT_MOV_S32: |
| #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_U32: |
| return EMIT_MOV(SLJIT_MOV_U32, INT_DATA, (sljit_u32)); |
| |
| case SLJIT_MOV_S32: |
| return EMIT_MOV(SLJIT_MOV_S32, INT_DATA | SIGNED_DATA, (sljit_s32)); |
| #endif |
| |
| case SLJIT_MOV_U8: |
| return EMIT_MOV(SLJIT_MOV_U8, BYTE_DATA, (sljit_u8)); |
| |
| case SLJIT_MOV_S8: |
| return EMIT_MOV(SLJIT_MOV_S8, BYTE_DATA | SIGNED_DATA, (sljit_s8)); |
| |
| case SLJIT_MOV_U16: |
| return EMIT_MOV(SLJIT_MOV_U16, HALF_DATA, (sljit_u16)); |
| |
| case SLJIT_MOV_S16: |
| return EMIT_MOV(SLJIT_MOV_S16, HALF_DATA | SIGNED_DATA, (sljit_s16)); |
| |
| 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 | (GET_FLAG_TYPE(op_flags) ? ALT_FORM1 : 0), 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_I32_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_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op, |
| sljit_s32 dst, sljit_sw dstw, |
| sljit_s32 src1, sljit_sw src1w, |
| sljit_s32 src2, sljit_sw src2w) |
| { |
| sljit_s32 flags = HAS_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 (dst == SLJIT_UNUSED && !HAS_FLAGS(op)) |
| return SLJIT_SUCCESS; |
| |
| 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_I32_OP) { |
| /* Most operations expect sign extended arguments. */ |
| flags |= INT_DATA | SIGNED_DATA; |
| if (src1 & SLJIT_IMM) |
| src1w = (sljit_s32)(src1w); |
| if (src2 & SLJIT_IMM) |
| src2w = (sljit_s32)(src2w); |
| if (HAS_FLAGS(op)) |
| flags |= ALT_SIGN_EXT; |
| } |
| #endif |
| if (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW) |
| FAIL_IF(push_inst(compiler, MTXER | S(TMP_ZERO))); |
| |
| switch (GET_OPCODE(op)) { |
| case SLJIT_ADD: |
| if (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW) |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM1, dst, dstw, src1, src1w, src2, src2w); |
| |
| if (!HAS_FLAGS(op) && ((src1 | src2) & SLJIT_IMM)) { |
| if (TEST_SL_IMM(src2, src2w)) { |
| compiler->imm = src2w & 0xffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2, 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_FORM2, 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 | ALT_FORM3, 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 | ALT_FORM3, 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_FORM2 | 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_FORM2 | ALT_FORM4, dst, dstw, src2, src2w, TMP_REG2, 0); |
| } |
| } |
| if (HAS_FLAGS(op)) { |
| 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 | ((GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY)) ? ALT_FORM4 : 0), dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_ADDC: |
| return emit_op(compiler, SLJIT_ADDC, flags, dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_SUB: |
| if (GET_FLAG_TYPE(op) >= SLJIT_LESS && GET_FLAG_TYPE(op) <= SLJIT_LESS_EQUAL) { |
| if (dst == SLJIT_UNUSED) { |
| if (TEST_UL_IMM(src2, src2w)) { |
| compiler->imm = src2w & 0xffff; |
| return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1 | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1, dst, dstw, src1, src1w, src2, src2w); |
| } |
| |
| if ((src2 & SLJIT_IMM) && src2w >= 0 && src2w <= (SIMM_MAX + 1)) { |
| compiler->imm = src2w; |
| return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1 | ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1 | ALT_FORM3, dst, dstw, src1, src1w, src2, src2w); |
| } |
| |
| if (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW) |
| return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2, dst, dstw, src1, src1w, src2, src2w); |
| |
| if (!HAS_FLAGS(op) && ((src1 | src2) & SLJIT_IMM)) { |
| if (TEST_SL_IMM(src2, -src2w)) { |
| compiler->imm = (-src2w) & 0xffff; |
| return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2, 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_FORM3, 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 | ALT_FORM3, 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_FORM2 | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| } |
| |
| if (dst == SLJIT_UNUSED && GET_FLAG_TYPE(op) != GET_FLAG_TYPE(SLJIT_SET_CARRY)) { |
| if (TEST_SL_IMM(src2, src2w)) { |
| compiler->imm = src2w & 0xffff; |
| return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM4 | ALT_FORM5, dst, dstw, src1, src1w, TMP_REG2, 0); |
| } |
| return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w); |
| } |
| |
| 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_I32_OP on 64 bit systems. */ |
| return emit_op(compiler, SLJIT_SUB, flags | ((GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY)) ? ALT_FORM5 : 0), dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_SUBC: |
| return emit_op(compiler, SLJIT_SUBC, flags, dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_MUL: |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if (op & SLJIT_I32_OP) |
| flags |= ALT_FORM2; |
| #endif |
| if (!HAS_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); |
| } |
| } |
| else |
| FAIL_IF(push_inst(compiler, MTXER | S(TMP_ZERO))); |
| 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 (!HAS_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_OPCODE(op) != SLJIT_AND && GET_OPCODE(op) != SLJIT_AND) { |
| /* Unlike or and xor, and resets unwanted bits as well. */ |
| 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_SHL: |
| case SLJIT_LSHR: |
| case SLJIT_ASHR: |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if (op & SLJIT_I32_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_s32 sljit_emit_op_src(struct sljit_compiler *compiler, sljit_s32 op, |
| sljit_s32 src, sljit_sw srcw) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op_src(compiler, op, src, srcw)); |
| ADJUST_LOCAL_OFFSET(src, srcw); |
| |
| switch (op) { |
| case SLJIT_FAST_RETURN: |
| if (FAST_IS_REG(src)) |
| FAIL_IF(push_inst(compiler, MTLR | S(src))); |
| else { |
| FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw)); |
| FAIL_IF(push_inst(compiler, MTLR | S(TMP_REG2))); |
| } |
| |
| return push_inst(compiler, BLR); |
| case SLJIT_SKIP_FRAMES_BEFORE_FAST_RETURN: |
| return SLJIT_SUCCESS; |
| case SLJIT_PREFETCH_L1: |
| case SLJIT_PREFETCH_L2: |
| case SLJIT_PREFETCH_L3: |
| case SLJIT_PREFETCH_ONCE: |
| return emit_prefetch(compiler, src, srcw); |
| } |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg) |
| { |
| CHECK_REG_INDEX(check_sljit_get_register_index(reg)); |
| return reg_map[reg]; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg) |
| { |
| CHECK_REG_INDEX(check_sljit_get_float_register_index(reg)); |
| return freg_map[reg]; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler, |
| void *instruction, sljit_s32 size) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op_custom(compiler, instruction, size)); |
| |
| return push_inst(compiler, *(sljit_ins*)instruction); |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* Floating point operators */ |
| /* --------------------------------------------------------------------- */ |
| |
| #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 6)) |
| #define SELECT_FOP(op, single, double) ((op & SLJIT_F32_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_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op, |
| sljit_s32 dst, sljit_sw dstw, |
| sljit_s32 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_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, TMP_REG1)); |
| src = TMP_FREG1; |
| } |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| op = GET_OPCODE(op); |
| FAIL_IF(push_inst(compiler, (op == SLJIT_CONV_S32_FROM_F64 ? FCTIWZ : FCTIDZ) | FD(TMP_FREG1) | FB(src))); |
| |
| if (op == SLJIT_CONV_SW_FROM_F64) { |
| if (FAST_IS_REG(dst)) { |
| FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); |
| return emit_op_mem(compiler, WORD_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1); |
| } |
| return emit_op_mem(compiler, DOUBLE_DATA, TMP_FREG1, dst, dstw, TMP_REG1); |
| } |
| #else |
| FAIL_IF(push_inst(compiler, FCTIWZ | FD(TMP_FREG1) | FB(src))); |
| #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_mem(compiler, INT_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1); |
| } |
| |
| 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_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op, |
| sljit_s32 dst, sljit_sw dstw, |
| sljit_s32 src, sljit_sw srcw) |
| { |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| |
| sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; |
| |
| if (src & SLJIT_IMM) { |
| if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) |
| srcw = (sljit_s32)srcw; |
| FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); |
| src = TMP_REG1; |
| } |
| else if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) { |
| if (FAST_IS_REG(src)) |
| FAIL_IF(push_inst(compiler, EXTSW | S(src) | A(TMP_REG1))); |
| else |
| FAIL_IF(emit_op_mem(compiler, INT_DATA | SIGNED_DATA | LOAD_DATA, TMP_REG1, src, srcw, TMP_REG1)); |
| src = TMP_REG1; |
| } |
| |
| if (FAST_IS_REG(src)) { |
| FAIL_IF(emit_op_mem(compiler, WORD_DATA, src, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); |
| FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); |
| } |
| else |
| FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, TMP_REG1)); |
| |
| FAIL_IF(push_inst(compiler, FCFID | FD(dst_r) | FB(TMP_FREG1))); |
| |
| if (dst & SLJIT_MEM) |
| return emit_op_mem(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, TMP_REG1); |
| if (op & SLJIT_F32_OP) |
| return push_inst(compiler, FRSP | FD(dst_r) | FB(dst_r)); |
| return SLJIT_SUCCESS; |
| |
| #else |
| |
| sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; |
| sljit_s32 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_mem(compiler, WORD_DATA | SIGNED_DATA | LOAD_DATA, TMP_REG1, src, srcw, TMP_REG1)); |
| 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_mem(compiler, WORD_DATA, TMP_REG2, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_HI, TMP_REG1)); |
| FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_LOW, TMP_REG2)); |
| FAIL_IF(push_inst(compiler, ADDIS | D(TMP_REG1) | A(0) | 0x8000)); |
| FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); |
| FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_LOW, TMP_REG2)); |
| FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG2, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); |
| |
| FAIL_IF(push_inst(compiler, FSUB | FD(dst_r) | FA(TMP_FREG1) | FB(TMP_FREG2))); |
| |
| if (dst & SLJIT_MEM) |
| return emit_op_mem(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, TMP_REG1); |
| if (op & SLJIT_F32_OP) |
| return push_inst(compiler, FRSP | FD(dst_r) | FB(dst_r)); |
| return SLJIT_SUCCESS; |
| |
| #endif |
| } |
| |
| static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op, |
| sljit_s32 src1, sljit_sw src1w, |
| sljit_s32 src2, sljit_sw src2w) |
| { |
| if (src1 & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, TMP_REG1)); |
| src1 = TMP_FREG1; |
| } |
| |
| if (src2 & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, TMP_REG2)); |
| src2 = TMP_FREG2; |
| } |
| |
| return push_inst(compiler, FCMPU | CRD(4) | FA(src1) | FB(src2)); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op, |
| sljit_s32 dst, sljit_sw dstw, |
| sljit_s32 src, sljit_sw srcw) |
| { |
| sljit_s32 dst_r; |
| |
| CHECK_ERROR(); |
| |
| SLJIT_COMPILE_ASSERT((SLJIT_F32_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_CONV_F64_FROM_F32) |
| op ^= SLJIT_F32_OP; |
| |
| dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; |
| |
| if (src & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, TMP_REG1)); |
| src = dst_r; |
| } |
| |
| switch (GET_OPCODE(op)) { |
| case SLJIT_CONV_F64_FROM_F32: |
| op ^= SLJIT_F32_OP; |
| if (op & SLJIT_F32_OP) { |
| FAIL_IF(push_inst(compiler, FRSP | FD(dst_r) | FB(src))); |
| break; |
| } |
| /* Fall through. */ |
| case SLJIT_MOV_F64: |
| 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_NEG_F64: |
| FAIL_IF(push_inst(compiler, FNEG | FD(dst_r) | FB(src))); |
| break; |
| case SLJIT_ABS_F64: |
| FAIL_IF(push_inst(compiler, FABS | FD(dst_r) | FB(src))); |
| break; |
| } |
| |
| if (dst & SLJIT_MEM) |
| FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op), dst_r, dst, dstw, TMP_REG1)); |
| return SLJIT_SUCCESS; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op, |
| sljit_s32 dst, sljit_sw dstw, |
| sljit_s32 src1, sljit_sw src1w, |
| sljit_s32 src2, sljit_sw src2w) |
| { |
| sljit_s32 dst_r; |
| |
| 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); |
| |
| dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG2; |
| |
| if (src1 & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, TMP_REG1)); |
| src1 = TMP_FREG1; |
| } |
| |
| if (src2 & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, TMP_REG2)); |
| src2 = TMP_FREG2; |
| } |
| |
| switch (GET_OPCODE(op)) { |
| case SLJIT_ADD_F64: |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADD) | FD(dst_r) | FA(src1) | FB(src2))); |
| break; |
| |
| case SLJIT_SUB_F64: |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUB) | FD(dst_r) | FA(src1) | FB(src2))); |
| break; |
| |
| case SLJIT_MUL_F64: |
| 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_DIV_F64: |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIV) | FD(dst_r) | FA(src1) | FB(src2))); |
| break; |
| } |
| |
| if (dst & SLJIT_MEM) |
| FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, TMP_REG1)); |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| #undef SELECT_FOP |
| |
| /* --------------------------------------------------------------------- */ |
| /* Other instructions */ |
| /* --------------------------------------------------------------------- */ |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| |
| 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); |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* 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_s32 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_SIG_LESS: |
| return (12 << 21) | (0 << 16); |
| |
| case SLJIT_GREATER_EQUAL: |
| case SLJIT_SIG_GREATER_EQUAL: |
| return (4 << 21) | (0 << 16); |
| |
| case SLJIT_GREATER: |
| case SLJIT_SIG_GREATER: |
| return (12 << 21) | (1 << 16); |
| |
| case SLJIT_LESS_EQUAL: |
| case SLJIT_SIG_LESS_EQUAL: |
| return (4 << 21) | (1 << 16); |
| |
| case SLJIT_LESS_F64: |
| return (12 << 21) | ((4 + 0) << 16); |
| |
| case SLJIT_GREATER_EQUAL_F64: |
| return (4 << 21) | ((4 + 0) << 16); |
| |
| case SLJIT_GREATER_F64: |
| return (12 << 21) | ((4 + 1) << 16); |
| |
| case SLJIT_LESS_EQUAL_F64: |
| return (4 << 21) | ((4 + 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_EQUAL_F64: |
| return (12 << 21) | ((4 + 2) << 16); |
| |
| case SLJIT_NOT_EQUAL_F64: |
| return (4 << 21) | ((4 + 2) << 16); |
| |
| case SLJIT_UNORDERED_F64: |
| return (12 << 21) | ((4 + 3) << 16); |
| |
| case SLJIT_ORDERED_F64: |
| return (4 << 21) | ((4 + 3) << 16); |
| |
| default: |
| SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL_CDECL); |
| return (20 << 21); |
| } |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 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_CALL) |
| 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 struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type, |
| sljit_s32 arg_types) |
| { |
| CHECK_ERROR_PTR(); |
| CHECK_PTR(check_sljit_emit_call(compiler, type, arg_types)); |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| PTR_FAIL_IF(call_with_args(compiler, arg_types, NULL)); |
| #endif |
| |
| #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ |
| || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) |
| compiler->skip_checks = 1; |
| #endif |
| |
| return sljit_emit_jump(compiler, type); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw) |
| { |
| struct sljit_jump *jump = NULL; |
| sljit_s32 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_CALL) { |
| 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) { |
| /* These jumps are converted to jump/call instructions when possible. */ |
| 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_CALL) |
| 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)); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type, |
| sljit_s32 arg_types, |
| sljit_s32 src, sljit_sw srcw) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw)); |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if (src & SLJIT_MEM) { |
| ADJUST_LOCAL_OFFSET(src, srcw); |
| FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_CALL_REG, 0, TMP_REG1, 0, src, srcw)); |
| src = TMP_CALL_REG; |
| } |
| |
| FAIL_IF(call_with_args(compiler, arg_types, &src)); |
| #endif |
| |
| #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ |
| || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) |
| compiler->skip_checks = 1; |
| #endif |
| |
| return sljit_emit_ijump(compiler, type, src, srcw); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op, |
| sljit_s32 dst, sljit_sw dstw, |
| sljit_s32 type) |
| { |
| sljit_s32 reg, input_flags, cr_bit, invert; |
| sljit_s32 saved_op = op; |
| sljit_sw saved_dstw = dstw; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| input_flags = (op & SLJIT_I32_OP) ? INT_DATA : WORD_DATA; |
| #else |
| input_flags = WORD_DATA; |
| #endif |
| |
| op = GET_OPCODE(op); |
| reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2; |
| |
| if (op >= SLJIT_ADD && (dst & SLJIT_MEM)) |
| FAIL_IF(emit_op_mem(compiler, input_flags | LOAD_DATA, TMP_REG1, dst, dstw, TMP_REG1)); |
| |
| invert = 0; |
| cr_bit = 0; |
| |
| switch (type & 0xff) { |
| case SLJIT_LESS: |
| case SLJIT_SIG_LESS: |
| break; |
| |
| case SLJIT_GREATER_EQUAL: |
| case SLJIT_SIG_GREATER_EQUAL: |
| invert = 1; |
| break; |
| |
| case SLJIT_GREATER: |
| case SLJIT_SIG_GREATER: |
| cr_bit = 1; |
| break; |
| |
| case SLJIT_LESS_EQUAL: |
| case SLJIT_SIG_LESS_EQUAL: |
| cr_bit = 1; |
| invert = 1; |
| break; |
| |
| case SLJIT_EQUAL: |
| cr_bit = 2; |
| break; |
| |
| case SLJIT_NOT_EQUAL: |
| cr_bit = 2; |
| invert = 1; |
| break; |
| |
| case SLJIT_OVERFLOW: |
| case SLJIT_MUL_OVERFLOW: |
| cr_bit = 3; |
| break; |
| |
| case SLJIT_NOT_OVERFLOW: |
| case SLJIT_MUL_NOT_OVERFLOW: |
| cr_bit = 3; |
| invert = 1; |
| break; |
| |
| case SLJIT_LESS_F64: |
| cr_bit = 4 + 0; |
| break; |
| |
| case SLJIT_GREATER_EQUAL_F64: |
| cr_bit = 4 + 0; |
| invert = 1; |
| break; |
| |
| case SLJIT_GREATER_F64: |
| cr_bit = 4 + 1; |
| break; |
| |
| case SLJIT_LESS_EQUAL_F64: |
| cr_bit = 4 + 1; |
| invert = 1; |
| break; |
| |
| case SLJIT_EQUAL_F64: |
| cr_bit = 4 + 2; |
| break; |
| |
| case SLJIT_NOT_EQUAL_F64: |
| cr_bit = 4 + 2; |
| invert = 1; |
| break; |
| |
| case SLJIT_UNORDERED_F64: |
| cr_bit = 4 + 3; |
| break; |
| |
| case SLJIT_ORDERED_F64: |
| cr_bit = 4 + 3; |
| invert = 1; |
| break; |
| |
| default: |
| SLJIT_UNREACHABLE(); |
| break; |
| } |
| |
| FAIL_IF(push_inst(compiler, MFCR | D(reg))); |
| FAIL_IF(push_inst(compiler, RLWINM | S(reg) | A(reg) | ((1 + (cr_bit)) << 11) | (31 << 6) | (31 << 1))); |
| |
| if (invert) |
| FAIL_IF(push_inst(compiler, XORI | S(reg) | A(reg) | 0x1)); |
| |
| if (op < SLJIT_ADD) { |
| if (!(dst & SLJIT_MEM)) |
| return SLJIT_SUCCESS; |
| return emit_op_mem(compiler, input_flags, reg, dst, dstw, TMP_REG1); |
| } |
| |
| #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ |
| || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) |
| compiler->skip_checks = 1; |
| #endif |
| if (dst & SLJIT_MEM) |
| return sljit_emit_op2(compiler, saved_op, dst, saved_dstw, TMP_REG1, 0, TMP_REG2, 0); |
| return sljit_emit_op2(compiler, saved_op, dst, 0, dst, 0, TMP_REG2, 0); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type, |
| sljit_s32 dst_reg, |
| sljit_s32 src, sljit_sw srcw) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw)); |
| |
| return sljit_emit_cmov_generic(compiler, type, dst_reg, src, srcw);; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compiler, sljit_s32 type, |
| sljit_s32 reg, |
| sljit_s32 mem, sljit_sw memw) |
| { |
| sljit_s32 mem_flags; |
| sljit_ins inst; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_mem(compiler, type, reg, mem, memw)); |
| |
| if (type & SLJIT_MEM_POST) |
| return SLJIT_ERR_UNSUPPORTED; |
| |
| switch (type & 0xff) { |
| case SLJIT_MOV: |
| case SLJIT_MOV_P: |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| case SLJIT_MOV_U32: |
| case SLJIT_MOV_S32: |
| #endif |
| mem_flags = WORD_DATA; |
| break; |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| case SLJIT_MOV_U32: |
| mem_flags = INT_DATA; |
| break; |
| |
| case SLJIT_MOV_S32: |
| mem_flags = INT_DATA; |
| |
| if (!(type & SLJIT_MEM_STORE) && !(type & SLJIT_I32_OP)) { |
| if (mem & OFFS_REG_MASK) |
| mem_flags |= SIGNED_DATA; |
| else |
| return SLJIT_ERR_UNSUPPORTED; |
| } |
| break; |
| #endif |
| |
| case SLJIT_MOV_U8: |
| case SLJIT_MOV_S8: |
| mem_flags = BYTE_DATA; |
| break; |
| |
| case SLJIT_MOV_U16: |
| mem_flags = HALF_DATA; |
| break; |
| |
| case SLJIT_MOV_S16: |
| mem_flags = HALF_DATA | SIGNED_DATA; |
| break; |
| |
| default: |
| SLJIT_UNREACHABLE(); |
| mem_flags = WORD_DATA; |
| break; |
| } |
| |
| if (!(type & SLJIT_MEM_STORE)) |
| mem_flags |= LOAD_DATA; |
| |
| if (SLJIT_UNLIKELY(mem & OFFS_REG_MASK)) { |
| if (memw != 0) |
| return SLJIT_ERR_UNSUPPORTED; |
| |
| if (type & SLJIT_MEM_SUPP) |
| return SLJIT_SUCCESS; |
| |
| inst = updated_data_transfer_insts[mem_flags | INDEXED]; |
| FAIL_IF(push_inst(compiler, INST_CODE_AND_DST(inst, 0, reg) | A(mem & REG_MASK) | B(OFFS_REG(mem)))); |
| } |
| else { |
| if (memw > SIMM_MAX || memw < SIMM_MIN) |
| return SLJIT_ERR_UNSUPPORTED; |
| |
| inst = updated_data_transfer_insts[mem_flags]; |
| |
| #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| if ((inst & INT_ALIGNED) && (memw & 0x3) != 0) |
| return SLJIT_ERR_UNSUPPORTED; |
| #endif |
| |
| if (type & SLJIT_MEM_SUPP) |
| return SLJIT_SUCCESS; |
| |
| FAIL_IF(push_inst(compiler, INST_CODE_AND_DST(inst, 0, reg) | A(mem & REG_MASK) | IMM(memw))); |
| } |
| |
| if ((mem_flags & LOAD_DATA) && (type & 0xff) == SLJIT_MOV_S8) |
| return push_inst(compiler, EXTSB | S(reg) | A(reg)); |
| return SLJIT_SUCCESS; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fmem(struct sljit_compiler *compiler, sljit_s32 type, |
| sljit_s32 freg, |
| sljit_s32 mem, sljit_sw memw) |
| { |
| sljit_s32 mem_flags; |
| sljit_ins inst; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_fmem(compiler, type, freg, mem, memw)); |
| |
| if (type & SLJIT_MEM_POST) |
| return SLJIT_ERR_UNSUPPORTED; |
| |
| if (SLJIT_UNLIKELY(mem & OFFS_REG_MASK)) { |
| if (memw != 0) |
| return SLJIT_ERR_UNSUPPORTED; |
| } |
| else { |
| if (memw > SIMM_MAX || memw < SIMM_MIN) |
| return SLJIT_ERR_UNSUPPORTED; |
| } |
| |
| if (type & SLJIT_MEM_SUPP) |
| return SLJIT_SUCCESS; |
| |
| mem_flags = FLOAT_DATA(type); |
| |
| if (!(type & SLJIT_MEM_STORE)) |
| mem_flags |= LOAD_DATA; |
| |
| if (SLJIT_UNLIKELY(mem & OFFS_REG_MASK)) { |
| inst = updated_data_transfer_insts[mem_flags | INDEXED]; |
| return push_inst(compiler, INST_CODE_AND_DST(inst, DOUBLE_DATA, freg) | A(mem & REG_MASK) | B(OFFS_REG(mem))); |
| } |
| |
| inst = updated_data_transfer_insts[mem_flags]; |
| return push_inst(compiler, INST_CODE_AND_DST(inst, DOUBLE_DATA, freg) | A(mem & REG_MASK) | IMM(memw)); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value) |
| { |
| struct sljit_const *const_; |
| sljit_s32 dst_r; |
| |
| 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); |
| |
| dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2; |
| PTR_FAIL_IF(emit_const(compiler, dst_r, 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_; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw) |
| { |
| struct sljit_put_label *put_label; |
| sljit_s32 dst_r; |
| |
| CHECK_ERROR_PTR(); |
| CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| |
| put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label)); |
| PTR_FAIL_IF(!put_label); |
| set_put_label(put_label, compiler, 0); |
| |
| dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2; |
| #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) |
| PTR_FAIL_IF(emit_const(compiler, dst_r, 0)); |
| #else |
| PTR_FAIL_IF(push_inst(compiler, dst_r)); |
| compiler->size += 4; |
| #endif |
| |
| if (dst & SLJIT_MEM) |
| PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0)); |
| |
| return put_label; |
| } |