| /* |
| * 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 "SPARC" SLJIT_CPUINFO; |
| } |
| |
| /* Length of an instruction word |
| Both for sparc-32 and sparc-64 */ |
| typedef sljit_ui sljit_ins; |
| |
| static void sparc_cache_flush(sljit_ins *from, sljit_ins *to) |
| { |
| #if defined(__SUNPRO_C) && __SUNPRO_C < 0x590 |
| __asm ( |
| /* if (from == to) return */ |
| "cmp %i0, %i1\n" |
| "be .leave\n" |
| "nop\n" |
| |
| /* loop until from >= to */ |
| ".mainloop:\n" |
| "flush %i0\n" |
| "add %i0, 8, %i0\n" |
| "cmp %i0, %i1\n" |
| "bcs .mainloop\n" |
| "nop\n" |
| |
| /* The comparison was done above. */ |
| "bne .leave\n" |
| /* nop is not necessary here, since the |
| sub operation has no side effect. */ |
| "sub %i0, 4, %i0\n" |
| "flush %i0\n" |
| ".leave:" |
| ); |
| #else |
| if (SLJIT_UNLIKELY(from == to)) |
| return; |
| |
| do { |
| __asm__ volatile ( |
| "flush %0\n" |
| : : "r"(from) |
| ); |
| /* Operates at least on doubleword. */ |
| from += 2; |
| } while (from < to); |
| |
| if (from == to) { |
| /* Flush the last word. */ |
| from --; |
| __asm__ volatile ( |
| "flush %0\n" |
| : : "r"(from) |
| ); |
| } |
| #endif |
| } |
| |
| /* TMP_REG2 is not used by getput_arg */ |
| #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_LINK (SLJIT_NUMBER_OF_REGISTERS + 5) |
| |
| #define TMP_FREG1 (0) |
| #define TMP_FREG2 ((SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1) << 1) |
| |
| static SLJIT_CONST sljit_ub reg_map[SLJIT_NUMBER_OF_REGISTERS + 6] = { |
| 0, 8, 9, 10, 13, 29, 28, 27, 23, 22, 21, 20, 19, 18, 17, 16, 26, 25, 24, 14, 1, 11, 12, 15 |
| }; |
| |
| /* --------------------------------------------------------------------- */ |
| /* Instrucion forms */ |
| /* --------------------------------------------------------------------- */ |
| |
| #define D(d) (reg_map[d] << 25) |
| #define DA(d) ((d) << 25) |
| #define S1(s1) (reg_map[s1] << 14) |
| #define S2(s2) (reg_map[s2]) |
| #define S1A(s1) ((s1) << 14) |
| #define S2A(s2) (s2) |
| #define IMM_ARG 0x2000 |
| #define DOP(op) ((op) << 5) |
| #define IMM(imm) (((imm) & 0x1fff) | IMM_ARG) |
| |
| #define DR(dr) (reg_map[dr]) |
| #define OPC1(opcode) ((opcode) << 30) |
| #define OPC2(opcode) ((opcode) << 22) |
| #define OPC3(opcode) ((opcode) << 19) |
| #define SET_FLAGS OPC3(0x10) |
| |
| #define ADD (OPC1(0x2) | OPC3(0x00)) |
| #define ADDC (OPC1(0x2) | OPC3(0x08)) |
| #define AND (OPC1(0x2) | OPC3(0x01)) |
| #define ANDN (OPC1(0x2) | OPC3(0x05)) |
| #define CALL (OPC1(0x1)) |
| #define FABSS (OPC1(0x2) | OPC3(0x34) | DOP(0x09)) |
| #define FADDD (OPC1(0x2) | OPC3(0x34) | DOP(0x42)) |
| #define FADDS (OPC1(0x2) | OPC3(0x34) | DOP(0x41)) |
| #define FCMPD (OPC1(0x2) | OPC3(0x35) | DOP(0x52)) |
| #define FCMPS (OPC1(0x2) | OPC3(0x35) | DOP(0x51)) |
| #define FDIVD (OPC1(0x2) | OPC3(0x34) | DOP(0x4e)) |
| #define FDIVS (OPC1(0x2) | OPC3(0x34) | DOP(0x4d)) |
| #define FDTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd2)) |
| #define FDTOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc6)) |
| #define FITOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc8)) |
| #define FITOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc4)) |
| #define FMOVS (OPC1(0x2) | OPC3(0x34) | DOP(0x01)) |
| #define FMULD (OPC1(0x2) | OPC3(0x34) | DOP(0x4a)) |
| #define FMULS (OPC1(0x2) | OPC3(0x34) | DOP(0x49)) |
| #define FNEGS (OPC1(0x2) | OPC3(0x34) | DOP(0x05)) |
| #define FSTOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc9)) |
| #define FSTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd1)) |
| #define FSUBD (OPC1(0x2) | OPC3(0x34) | DOP(0x46)) |
| #define FSUBS (OPC1(0x2) | OPC3(0x34) | DOP(0x45)) |
| #define JMPL (OPC1(0x2) | OPC3(0x38)) |
| #define NOP (OPC1(0x0) | OPC2(0x04)) |
| #define OR (OPC1(0x2) | OPC3(0x02)) |
| #define ORN (OPC1(0x2) | OPC3(0x06)) |
| #define RDY (OPC1(0x2) | OPC3(0x28) | S1A(0)) |
| #define RESTORE (OPC1(0x2) | OPC3(0x3d)) |
| #define SAVE (OPC1(0x2) | OPC3(0x3c)) |
| #define SETHI (OPC1(0x0) | OPC2(0x04)) |
| #define SLL (OPC1(0x2) | OPC3(0x25)) |
| #define SLLX (OPC1(0x2) | OPC3(0x25) | (1 << 12)) |
| #define SRA (OPC1(0x2) | OPC3(0x27)) |
| #define SRAX (OPC1(0x2) | OPC3(0x27) | (1 << 12)) |
| #define SRL (OPC1(0x2) | OPC3(0x26)) |
| #define SRLX (OPC1(0x2) | OPC3(0x26) | (1 << 12)) |
| #define SUB (OPC1(0x2) | OPC3(0x04)) |
| #define SUBC (OPC1(0x2) | OPC3(0x0c)) |
| #define TA (OPC1(0x2) | OPC3(0x3a) | (8 << 25)) |
| #define WRY (OPC1(0x2) | OPC3(0x30) | DA(0)) |
| #define XOR (OPC1(0x2) | OPC3(0x03)) |
| #define XNOR (OPC1(0x2) | OPC3(0x07)) |
| |
| #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) |
| #define MAX_DISP (0x1fffff) |
| #define MIN_DISP (-0x200000) |
| #define DISP_MASK (0x3fffff) |
| |
| #define BICC (OPC1(0x0) | OPC2(0x2)) |
| #define FBFCC (OPC1(0x0) | OPC2(0x6)) |
| #define SLL_W SLL |
| #define SDIV (OPC1(0x2) | OPC3(0x0f)) |
| #define SMUL (OPC1(0x2) | OPC3(0x0b)) |
| #define UDIV (OPC1(0x2) | OPC3(0x0e)) |
| #define UMUL (OPC1(0x2) | OPC3(0x0a)) |
| #else |
| #define SLL_W SLLX |
| #endif |
| |
| #define SIMM_MAX (0x0fff) |
| #define SIMM_MIN (-0x1000) |
| |
| /* dest_reg is the absolute name of the register |
| Useful for reordering instructions in the delay slot. */ |
| static sljit_si push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_si delay_slot) |
| { |
| sljit_ins *ptr; |
| SLJIT_ASSERT((delay_slot & DST_INS_MASK) == UNMOVABLE_INS |
| || (delay_slot & DST_INS_MASK) == MOVABLE_INS |
| || (delay_slot & DST_INS_MASK) == ((ins >> 25) & 0x1f)); |
| ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); |
| FAIL_IF(!ptr); |
| *ptr = ins; |
| compiler->size++; |
| compiler->delay_slot = delay_slot; |
| return SLJIT_SUCCESS; |
| } |
| |
| static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code) |
| { |
| sljit_sw diff; |
| sljit_uw target_addr; |
| sljit_ins *inst; |
| sljit_ins saved_inst; |
| |
| if (jump->flags & SLJIT_REWRITABLE_JUMP) |
| return code_ptr; |
| |
| 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); |
| } |
| inst = (sljit_ins*)jump->addr; |
| |
| #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) |
| if (jump->flags & IS_CALL) { |
| /* Call is always patchable on sparc 32. */ |
| jump->flags |= PATCH_CALL; |
| if (jump->flags & IS_MOVABLE) { |
| inst[0] = inst[-1]; |
| inst[-1] = CALL; |
| jump->addr -= sizeof(sljit_ins); |
| return inst; |
| } |
| inst[0] = CALL; |
| inst[1] = NOP; |
| return inst + 1; |
| } |
| #else |
| /* Both calls and BPr instructions shall not pass this point. */ |
| #error "Implementation required" |
| #endif |
| |
| if (jump->flags & IS_COND) |
| inst--; |
| |
| if (jump->flags & IS_MOVABLE) { |
| diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1)) >> 2; |
| if (diff <= MAX_DISP && diff >= MIN_DISP) { |
| jump->flags |= PATCH_B; |
| inst--; |
| if (jump->flags & IS_COND) { |
| saved_inst = inst[0]; |
| inst[0] = inst[1] ^ (1 << 28); |
| inst[1] = saved_inst; |
| } else { |
| inst[1] = inst[0]; |
| inst[0] = BICC | DA(0x8); |
| } |
| jump->addr = (sljit_uw)inst; |
| return inst + 1; |
| } |
| } |
| |
| diff = ((sljit_sw)target_addr - (sljit_sw)(inst)) >> 2; |
| if (diff <= MAX_DISP && diff >= MIN_DISP) { |
| jump->flags |= PATCH_B; |
| if (jump->flags & IS_COND) |
| inst[0] ^= (1 << 28); |
| else |
| inst[0] = BICC | DA(0x8); |
| inst[1] = NOP; |
| jump->addr = (sljit_uw)inst; |
| return inst + 1; |
| } |
| |
| return code_ptr; |
| } |
| |
| 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); |
| |
| 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_SPARC_32 && SLJIT_CONFIG_SPARC_32) |
| jump->addr = (sljit_uw)(code_ptr - 3); |
| #else |
| jump->addr = (sljit_uw)(code_ptr - 6); |
| #endif |
| code_ptr = detect_jump_type(jump, code_ptr, code); |
| jump = jump->next; |
| } |
| if (const_ && const_->addr == word_count) { |
| /* Just recording the address. */ |
| 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_); |
| SLJIT_ASSERT(code_ptr - code <= (sljit_si)compiler->size); |
| |
| 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_CALL) { |
| addr = (sljit_sw)(addr - jump->addr) >> 2; |
| SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000); |
| buf_ptr[0] = CALL | (addr & 0x3fffffff); |
| break; |
| } |
| if (jump->flags & PATCH_B) { |
| addr = (sljit_sw)(addr - jump->addr) >> 2; |
| SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP); |
| buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK); |
| break; |
| } |
| |
| /* Set the fields of immediate loads. */ |
| #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) |
| buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff); |
| buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff); |
| #else |
| #error "Implementation required" |
| #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); |
| return code; |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* Entry, exit */ |
| /* --------------------------------------------------------------------- */ |
| |
| /* Creates an index in data_transfer_insts array. */ |
| #define LOAD_DATA 0x01 |
| #define WORD_DATA 0x00 |
| #define BYTE_DATA 0x02 |
| #define HALF_DATA 0x04 |
| #define INT_DATA 0x06 |
| #define SIGNED_DATA 0x08 |
| /* Separates integer and floating point registers */ |
| #define GPR_REG 0x0f |
| #define DOUBLE_DATA 0x10 |
| #define SINGLE_DATA 0x12 |
| |
| #define MEM_MASK 0x1f |
| |
| #define WRITE_BACK 0x00020 |
| #define ARG_TEST 0x00040 |
| #define ALT_KEEP_CACHE 0x00080 |
| #define CUMULATIVE_OP 0x00100 |
| #define IMM_OP 0x00200 |
| #define SRC2_IMM 0x00400 |
| |
| #define REG_DEST 0x00800 |
| #define REG2_SOURCE 0x01000 |
| #define SLOW_SRC1 0x02000 |
| #define SLOW_SRC2 0x04000 |
| #define SLOW_DEST 0x08000 |
| |
| /* SET_FLAGS (0x10 << 19) also belong here! */ |
| |
| #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) |
| #include "sljitNativeSPARC_32.c" |
| #else |
| #include "sljitNativeSPARC_64.c" |
| #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) |
| { |
| 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); |
| |
| local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7; |
| compiler->local_size = local_size; |
| |
| if (local_size <= SIMM_MAX) { |
| FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS)); |
| } |
| else { |
| FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size)); |
| FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS)); |
| } |
| |
| /* Arguments are in their appropriate registers. */ |
| |
| 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); |
| |
| compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7; |
| 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) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_return(compiler, op, src, srcw)); |
| |
| if (op != SLJIT_MOV || !FAST_IS_REG(src)) { |
| FAIL_IF(emit_mov_before_return(compiler, op, src, srcw)); |
| src = SLJIT_R0; |
| } |
| |
| FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS)); |
| return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS); |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* Operators */ |
| /* --------------------------------------------------------------------- */ |
| |
| #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) |
| #define ARCH_32_64(a, b) a |
| #else |
| #define ARCH_32_64(a, b) b |
| #endif |
| |
| static SLJIT_CONST sljit_ins data_transfer_insts[16 + 4] = { |
| /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */), |
| /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */), |
| /* u b s */ OPC1(3) | OPC3(0x05) /* stb */, |
| /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */, |
| /* u h s */ OPC1(3) | OPC3(0x06) /* sth */, |
| /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */, |
| /* u i s */ OPC1(3) | OPC3(0x04) /* stw */, |
| /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */, |
| |
| /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */), |
| /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */), |
| /* s b s */ OPC1(3) | OPC3(0x05) /* stb */, |
| /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */, |
| /* s h s */ OPC1(3) | OPC3(0x06) /* sth */, |
| /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */, |
| /* s i s */ OPC1(3) | OPC3(0x04) /* stw */, |
| /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */), |
| |
| /* d s */ OPC1(3) | OPC3(0x27), |
| /* d l */ OPC1(3) | OPC3(0x23), |
| /* s s */ OPC1(3) | OPC3(0x24), |
| /* s l */ OPC1(3) | OPC3(0x20), |
| }; |
| |
| #undef ARCH_32_64 |
| |
| /* Can perform an operation using at most 1 instruction. */ |
| static sljit_si getput_arg_fast(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw) |
| { |
| SLJIT_ASSERT(arg & SLJIT_MEM); |
| |
| if (!(flags & WRITE_BACK) || !(arg & REG_MASK)) { |
| if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN) |
| || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) { |
| /* Works for both absoulte and relative addresses (immediate case). */ |
| if (SLJIT_UNLIKELY(flags & ARG_TEST)) |
| return 1; |
| FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] |
| | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg)) |
| | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)), |
| ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS)); |
| return -1; |
| } |
| } |
| return 0; |
| } |
| |
| /* See getput_arg below. |
| Note: can_cache is called only for binary operators. Those |
| operators 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_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM)); |
| |
| /* Simple operation except for updates. */ |
| if (arg & OFFS_REG_MASK) { |
| argw &= 0x3; |
| SLJIT_ASSERT(argw); |
| next_argw &= 0x3; |
| if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw) |
| return 1; |
| return 0; |
| } |
| |
| if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN)) |
| return 1; |
| return 0; |
| } |
| |
| /* Emit the necessary instructions. See can_cache above. */ |
| static sljit_si getput_arg(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw, sljit_si next_arg, sljit_sw next_argw) |
| { |
| sljit_si base, arg2, delay_slot; |
| sljit_ins dest; |
| |
| SLJIT_ASSERT(arg & SLJIT_MEM); |
| if (!(next_arg & SLJIT_MEM)) { |
| next_arg = 0; |
| next_argw = 0; |
| } |
| |
| base = arg & REG_MASK; |
| if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { |
| argw &= 0x3; |
| SLJIT_ASSERT(argw != 0); |
| |
| /* Using the cache. */ |
| if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw)) |
| arg2 = 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; |
| arg2 = TMP_REG3; |
| } |
| else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg)) |
| arg2 = reg; |
| else /* It must be a mov operation, so tmp1 must be free to use. */ |
| arg2 = TMP_REG1; |
| FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2))); |
| } |
| } |
| else { |
| /* Using the cache. */ |
| if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) { |
| if (argw != compiler->cache_argw) { |
| FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3))); |
| compiler->cache_argw = argw; |
| } |
| arg2 = TMP_REG3; |
| } else { |
| if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) { |
| compiler->cache_arg = SLJIT_MEM; |
| compiler->cache_argw = argw; |
| arg2 = TMP_REG3; |
| } |
| else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base) |
| arg2 = reg; |
| else /* It must be a mov operation, so tmp1 must be free to use. */ |
| arg2 = TMP_REG1; |
| FAIL_IF(load_immediate(compiler, arg2, argw)); |
| } |
| } |
| |
| dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg)); |
| delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS; |
| if (!base) |
| return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot); |
| if (!(flags & WRITE_BACK)) |
| return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot); |
| FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot)); |
| return push_inst(compiler, ADD | D(base) | S1(base) | S2(arg2), DR(base)); |
| } |
| |
| static SLJIT_INLINE sljit_si emit_op_mem(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw) |
| { |
| if (getput_arg_fast(compiler, flags, reg, arg, argw)) |
| return compiler->error; |
| compiler->cache_arg = 0; |
| compiler->cache_argw = 0; |
| return getput_arg(compiler, flags, reg, arg, argw, 0, 0); |
| } |
| |
| 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 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 = TMP_REG2; |
| sljit_si src1_r; |
| sljit_sw src2_r = 0; |
| sljit_si sugg_src2_r = TMP_REG2; |
| |
| if (!(flags & ALT_KEEP_CACHE)) { |
| compiler->cache_arg = 0; |
| compiler->cache_argw = 0; |
| } |
| |
| if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) { |
| if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI && !(src2 & SLJIT_MEM)) |
| return SLJIT_SUCCESS; |
| } |
| 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 if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw)) |
| flags |= SLOW_DEST; |
| |
| if (flags & IMM_OP) { |
| if ((src2 & SLJIT_IMM) && src2w) { |
| if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) { |
| flags |= SRC2_IMM; |
| src2_r = src2w; |
| } |
| } |
| if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) { |
| if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) { |
| flags |= SRC2_IMM; |
| src2_r = src1w; |
| |
| /* And swap arguments. */ |
| src1 = src2; |
| src1w = src2w; |
| src2 = SLJIT_IMM; |
| /* src2w = src2_r unneeded. */ |
| } |
| } |
| } |
| |
| /* Source 1. */ |
| if (FAST_IS_REG(src1)) |
| src1_r = src1; |
| else if (src1 & SLJIT_IMM) { |
| if (src1w) { |
| FAIL_IF(load_immediate(compiler, TMP_REG1, src1w)); |
| src1_r = TMP_REG1; |
| } |
| else |
| src1_r = 0; |
| } |
| else { |
| if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w)) |
| FAIL_IF(compiler->error); |
| else |
| flags |= SLOW_SRC1; |
| 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_MOVU_SI) |
| dst_r = src2_r; |
| } |
| else if (src2 & SLJIT_IMM) { |
| if (!(flags & SRC2_IMM)) { |
| if (src2w) { |
| FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w)); |
| src2_r = sugg_src2_r; |
| } |
| else { |
| src2_r = 0; |
| if ((op >= SLJIT_MOV && op <= SLJIT_MOVU_SI) && (dst & SLJIT_MEM)) |
| dst_r = 0; |
| } |
| } |
| } |
| else { |
| if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w)) |
| FAIL_IF(compiler->error); |
| else |
| flags |= SLOW_SRC2; |
| src2_r = sugg_src2_r; |
| } |
| |
| if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { |
| SLJIT_ASSERT(src2_r == TMP_REG2); |
| if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { |
| FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w)); |
| FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); |
| } |
| else { |
| FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w)); |
| FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw)); |
| } |
| } |
| else if (flags & SLOW_SRC1) |
| FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); |
| else if (flags & SLOW_SRC2) |
| FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw)); |
| |
| FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r)); |
| |
| if (dst & SLJIT_MEM) { |
| if (!(flags & SLOW_DEST)) { |
| getput_arg_fast(compiler, flags, dst_r, dst, dstw); |
| return compiler->error; |
| } |
| return getput_arg(compiler, 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) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op0(compiler, op)); |
| |
| op = GET_OPCODE(op); |
| switch (op) { |
| case SLJIT_BREAKPOINT: |
| return push_inst(compiler, TA, UNMOVABLE_INS); |
| case SLJIT_NOP: |
| return push_inst(compiler, NOP, UNMOVABLE_INS); |
| case SLJIT_LUMUL: |
| case SLJIT_LSMUL: |
| #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) |
| FAIL_IF(push_inst(compiler, (op == SLJIT_LUMUL ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0))); |
| return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1)); |
| #else |
| #error "Implementation required" |
| #endif |
| case SLJIT_UDIVMOD: |
| case SLJIT_SDIVMOD: |
| case SLJIT_UDIVI: |
| case SLJIT_SDIVI: |
| SLJIT_COMPILE_ASSERT((SLJIT_UDIVMOD & 0x2) == 0 && SLJIT_UDIVI - 0x2 == SLJIT_UDIVMOD, bad_div_opcode_assignments); |
| #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) |
| if ((op | 0x2) == SLJIT_UDIVI) |
| FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS)); |
| else { |
| FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1))); |
| FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS)); |
| } |
| if (op <= SLJIT_SDIVMOD) |
| FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2))); |
| FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_UDIVI ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0))); |
| if (op >= SLJIT_UDIVI) |
| return SLJIT_SUCCESS; |
| FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1))); |
| return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1)); |
| #else |
| #error "Implementation required" |
| #endif |
| } |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| 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) ? SET_FLAGS : 0; |
| |
| 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); |
| switch (op) { |
| case SLJIT_MOV: |
| case SLJIT_MOV_P: |
| return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| case SLJIT_MOV_UI: |
| return emit_op(compiler, SLJIT_MOV_UI, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| case SLJIT_MOV_SI: |
| return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| case SLJIT_MOV_UB: |
| return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw); |
| |
| case SLJIT_MOV_SB: |
| return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sb)srcw : srcw); |
| |
| case SLJIT_MOV_UH: |
| return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw); |
| |
| case SLJIT_MOV_SH: |
| return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sh)srcw : srcw); |
| |
| case SLJIT_MOVU: |
| case SLJIT_MOVU_P: |
| return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| case SLJIT_MOVU_UI: |
| return emit_op(compiler, SLJIT_MOV_UI, flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| case SLJIT_MOVU_SI: |
| return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| case SLJIT_MOVU_UB: |
| return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw); |
| |
| case SLJIT_MOVU_SB: |
| return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sb)srcw : srcw); |
| |
| case SLJIT_MOVU_UH: |
| return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw); |
| |
| case SLJIT_MOVU_SH: |
| return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sh)srcw : srcw); |
| |
| case SLJIT_NOT: |
| case SLJIT_CLZ: |
| return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| case SLJIT_NEG: |
| return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw); |
| } |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| 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) ? 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); |
| |
| op = GET_OPCODE(op); |
| switch (op) { |
| case SLJIT_ADD: |
| case SLJIT_ADDC: |
| case SLJIT_MUL: |
| case SLJIT_AND: |
| case SLJIT_OR: |
| case SLJIT_XOR: |
| return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_SUB: |
| case SLJIT_SUBC: |
| return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_SHL: |
| case SLJIT_LSHR: |
| case SLJIT_ASHR: |
| #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) |
| if (src2 & SLJIT_IMM) |
| src2w &= 0x1f; |
| #else |
| SLJIT_ASSERT_STOP(); |
| #endif |
| return emit_op(compiler, op, flags | IMM_OP, 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 << 1; |
| } |
| |
| 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, UNMOVABLE_INS); |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* 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) >> 7)) |
| #define SELECT_FOP(op, single, double) ((op & SLJIT_SINGLE_OP) ? single : double) |
| #define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw)) |
| |
| 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) { |
| FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); |
| src = TMP_FREG1; |
| } |
| else |
| src <<= 1; |
| |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | DA(TMP_FREG1) | S2A(src), MOVABLE_INS)); |
| |
| if (dst == SLJIT_UNUSED) |
| return SLJIT_SUCCESS; |
| |
| if (FAST_IS_REG(dst)) { |
| FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET)); |
| return emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET); |
| } |
| |
| /* Store the integer value from a VFP register. */ |
| return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0); |
| } |
| |
| 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) |
| { |
| sljit_si dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1; |
| |
| if (src & SLJIT_IMM) { |
| #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) |
| if (GET_OPCODE(op) == SLJIT_CONVD_FROMI) |
| srcw = (sljit_si)srcw; |
| #endif |
| FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); |
| src = TMP_REG1; |
| srcw = 0; |
| } |
| |
| 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)); |
| src = SLJIT_MEM1(SLJIT_SP); |
| srcw = FLOAT_TMP_MEM_OFFSET; |
| } |
| |
| FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | DA(dst_r) | S2A(TMP_FREG1), MOVABLE_INS)); |
| |
| if (dst & SLJIT_MEM) |
| return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0); |
| return SLJIT_SUCCESS; |
| } |
| |
| 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; |
| } |
| else |
| src1 <<= 1; |
| |
| if (src2 & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0)); |
| src2 = TMP_FREG2; |
| } |
| else |
| src2 <<= 1; |
| |
| return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | S1A(src1) | S2A(src2), FCC_IS_SET | MOVABLE_INS); |
| } |
| |
| 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 & 0x2), 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 << 1) : 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; |
| } |
| else |
| src <<= 1; |
| |
| switch (GET_OPCODE(op)) { |
| case SLJIT_DMOV: |
| if (src != dst_r) { |
| if (dst_r != TMP_FREG1) { |
| FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r) | S2A(src), MOVABLE_INS)); |
| if (!(op & SLJIT_SINGLE_OP)) |
| FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); |
| } |
| else |
| dst_r = src; |
| } |
| break; |
| case SLJIT_DNEG: |
| FAIL_IF(push_inst(compiler, FNEGS | DA(dst_r) | S2A(src), MOVABLE_INS)); |
| if (dst_r != src && !(op & SLJIT_SINGLE_OP)) |
| FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); |
| break; |
| case SLJIT_DABS: |
| FAIL_IF(push_inst(compiler, FABSS | DA(dst_r) | S2A(src), MOVABLE_INS)); |
| if (dst_r != src && !(op & SLJIT_SINGLE_OP)) |
| FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); |
| break; |
| case SLJIT_CONVD_FROMS: |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | DA(dst_r) | S2A(src), MOVABLE_INS)); |
| op ^= SLJIT_SINGLE_OP; |
| 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 << 1) : 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 |= SLOW_SRC1; |
| } |
| else |
| src1 <<= 1; |
| |
| 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 |= SLOW_SRC2; |
| } |
| else |
| src2 <<= 1; |
| |
| if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { |
| 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 & SLOW_SRC1) |
| FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw)); |
| else if (flags & SLOW_SRC2) |
| FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw)); |
| |
| if (flags & SLOW_SRC1) |
| src1 = TMP_FREG1; |
| if (flags & SLOW_SRC2) |
| src2 = TMP_FREG2; |
| |
| switch (GET_OPCODE(op)) { |
| case SLJIT_DADD: |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); |
| break; |
| |
| case SLJIT_DSUB: |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); |
| break; |
| |
| case SLJIT_DMUL: |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); |
| break; |
| |
| case SLJIT_DDIV: |
| FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); |
| 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, OR | D(dst) | S1(0) | S2(TMP_LINK), DR(dst)); |
| |
| /* Memory. */ |
| return emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw); |
| } |
| |
| 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, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK))); |
| else if (src & SLJIT_MEM) |
| FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw)); |
| else if (src & SLJIT_IMM) |
| FAIL_IF(load_immediate(compiler, TMP_LINK, srcw)); |
| |
| FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS)); |
| return push_inst(compiler, NOP, UNMOVABLE_INS); |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* 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); |
| compiler->delay_slot = UNMOVABLE_INS; |
| return label; |
| } |
| |
| static sljit_ins get_cc(sljit_si type) |
| { |
| switch (type) { |
| case SLJIT_EQUAL: |
| case SLJIT_MUL_NOT_OVERFLOW: |
| case SLJIT_D_NOT_EQUAL: /* Unordered. */ |
| return DA(0x1); |
| |
| case SLJIT_NOT_EQUAL: |
| case SLJIT_MUL_OVERFLOW: |
| case SLJIT_D_EQUAL: |
| return DA(0x9); |
| |
| case SLJIT_LESS: |
| case SLJIT_D_GREATER: /* Unordered. */ |
| return DA(0x5); |
| |
| case SLJIT_GREATER_EQUAL: |
| case SLJIT_D_LESS_EQUAL: |
| return DA(0xd); |
| |
| case SLJIT_GREATER: |
| case SLJIT_D_GREATER_EQUAL: /* Unordered. */ |
| return DA(0xc); |
| |
| case SLJIT_LESS_EQUAL: |
| case SLJIT_D_LESS: |
| return DA(0x4); |
| |
| case SLJIT_SIG_LESS: |
| return DA(0x3); |
| |
| case SLJIT_SIG_GREATER_EQUAL: |
| return DA(0xb); |
| |
| case SLJIT_SIG_GREATER: |
| return DA(0xa); |
| |
| case SLJIT_SIG_LESS_EQUAL: |
| return DA(0x2); |
| |
| case SLJIT_OVERFLOW: |
| case SLJIT_D_UNORDERED: |
| return DA(0x7); |
| |
| case SLJIT_NOT_OVERFLOW: |
| case SLJIT_D_ORDERED: |
| return DA(0xf); |
| |
| default: |
| SLJIT_ASSERT_STOP(); |
| return DA(0x8); |
| } |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_si type) |
| { |
| struct sljit_jump *jump; |
| |
| CHECK_ERROR_PTR(); |
| CHECK_PTR(check_sljit_emit_jump(compiler, type)); |
| |
| 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; |
| |
| if (type < SLJIT_D_EQUAL) { |
| jump->flags |= IS_COND; |
| if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET)) |
| jump->flags |= IS_MOVABLE; |
| #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) |
| PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS)); |
| #else |
| #error "Implementation required" |
| #endif |
| } |
| else if (type < SLJIT_JUMP) { |
| jump->flags |= IS_COND; |
| if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET)) |
| jump->flags |= IS_MOVABLE; |
| #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) |
| PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS)); |
| #else |
| #error "Implementation required" |
| #endif |
| } else { |
| if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) |
| jump->flags |= IS_MOVABLE; |
| if (type >= SLJIT_FAST_CALL) |
| jump->flags |= IS_CALL; |
| } |
| |
| PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0)); |
| PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG2) | IMM(0), UNMOVABLE_INS)); |
| jump->addr = compiler->size; |
| PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); |
| |
| 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)) |
| src_r = src; |
| 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 ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) |
| jump->flags |= IS_MOVABLE; |
| if (type >= SLJIT_FAST_CALL) |
| jump->flags |= IS_CALL; |
| |
| FAIL_IF(emit_const(compiler, TMP_REG2, 0)); |
| src_r = TMP_REG2; |
| } |
| else { |
| FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG2, src, srcw)); |
| src_r = TMP_REG2; |
| } |
| |
| FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS)); |
| if (jump) |
| jump->addr = compiler->size; |
| return push_inst(compiler, NOP, UNMOVABLE_INS); |
| } |
| |
| 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, flags = (GET_FLAGS(op) ? SET_FLAGS : 0); |
| |
| 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; |
| |
| #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) |
| 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); |
| FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw)); |
| src = TMP_REG1; |
| srcw = 0; |
| } |
| |
| type &= 0xff; |
| if (type < SLJIT_D_EQUAL) |
| FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS)); |
| else |
| FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS)); |
| |
| FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS)); |
| FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS)); |
| |
| if (op >= SLJIT_ADD) |
| return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE, dst, dstw, src, srcw, TMP_REG2, 0); |
| |
| return (reg == TMP_REG2) ? emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw) : SLJIT_SUCCESS; |
| #else |
| #error "Implementation required" |
| #endif |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw init_value) |
| { |
| sljit_si reg; |
| struct sljit_const *const_; |
| |
| 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_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw)); |
| return const_; |
| } |