| /* |
| * 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) |
| { |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| return "RISC-V-32" SLJIT_CPUINFO; |
| #else /* !SLJIT_CONFIG_RISCV_32 */ |
| return "RISC-V-64" SLJIT_CPUINFO; |
| #endif /* SLJIT_CONFIG_RISCV_32 */ |
| } |
| |
| /* Length of an instruction word |
| Both for riscv-32 and riscv-64 */ |
| typedef sljit_u32 sljit_ins; |
| |
| #define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2) |
| #define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3) |
| #define TMP_REG3 (SLJIT_NUMBER_OF_REGISTERS + 4) |
| #define TMP_ZERO 0 |
| |
| /* Flags are kept in volatile registers. */ |
| #define EQUAL_FLAG (SLJIT_NUMBER_OF_REGISTERS + 5) |
| #define RETURN_ADDR_REG TMP_REG2 |
| #define OTHER_FLAG (SLJIT_NUMBER_OF_REGISTERS + 6) |
| |
| #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, 10, 11, 12, 13, 14, 15, 16, 17, 29, 30, 31, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 9, 8, 2, 6, 1, 7, 5, 28 |
| }; |
| |
| static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 3] = { |
| 0, 10, 11, 12, 13, 14, 15, 16, 17, 2, 3, 4, 5, 6, 7, 28, 29, 30, 31, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 9, 8, 0, 1, |
| }; |
| |
| /* --------------------------------------------------------------------- */ |
| /* Instrucion forms */ |
| /* --------------------------------------------------------------------- */ |
| |
| #define RD(rd) ((sljit_ins)reg_map[rd] << 7) |
| #define RS1(rs1) ((sljit_ins)reg_map[rs1] << 15) |
| #define RS2(rs2) ((sljit_ins)reg_map[rs2] << 20) |
| #define FRD(rd) ((sljit_ins)freg_map[rd] << 7) |
| #define FRS1(rs1) ((sljit_ins)freg_map[rs1] << 15) |
| #define FRS2(rs2) ((sljit_ins)freg_map[rs2] << 20) |
| #define IMM_I(imm) ((sljit_ins)(imm) << 20) |
| #define IMM_S(imm) ((((sljit_ins)(imm) & 0xfe0) << 20) | (((sljit_ins)(imm) & 0x1f) << 7)) |
| |
| /* Represents funct(i) parts of the instructions. */ |
| #define OPC(o) ((sljit_ins)(o)) |
| #define F3(f) ((sljit_ins)(f) << 12) |
| #define F12(f) ((sljit_ins)(f) << 20) |
| #define F7(f) ((sljit_ins)(f) << 25) |
| |
| #define ADD (F7(0x0) | F3(0x0) | OPC(0x33)) |
| #define ADDI (F3(0x0) | OPC(0x13)) |
| #define AND (F7(0x0) | F3(0x7) | OPC(0x33)) |
| #define ANDI (F3(0x7) | OPC(0x13)) |
| #define AUIPC (OPC(0x17)) |
| #define BEQ (F3(0x0) | OPC(0x63)) |
| #define BNE (F3(0x1) | OPC(0x63)) |
| #define BLT (F3(0x4) | OPC(0x63)) |
| #define BGE (F3(0x5) | OPC(0x63)) |
| #define BLTU (F3(0x6) | OPC(0x63)) |
| #define BGEU (F3(0x7) | OPC(0x63)) |
| #define DIV (F7(0x1) | F3(0x4) | OPC(0x33)) |
| #define DIVU (F7(0x1) | F3(0x5) | OPC(0x33)) |
| #define EBREAK (F12(0x1) | F3(0x0) | OPC(0x73)) |
| #define FADD_S (F7(0x0) | F3(0x7) | OPC(0x53)) |
| #define FDIV_S (F7(0xc) | F3(0x7) | OPC(0x53)) |
| #define FEQ_S (F7(0x50) | F3(0x2) | OPC(0x53)) |
| #define FLD (F3(0x3) | OPC(0x7)) |
| #define FLE_S (F7(0x50) | F3(0x0) | OPC(0x53)) |
| #define FLT_S (F7(0x50) | F3(0x1) | OPC(0x53)) |
| /* These conversion opcodes are partly defined. */ |
| #define FCVT_S_D (F7(0x20) | OPC(0x53)) |
| #define FCVT_S_W (F7(0x68) | OPC(0x53)) |
| #define FCVT_S_WU (F7(0x68) | F12(0x1) | OPC(0x53)) |
| #define FCVT_W_S (F7(0x60) | F3(0x1) | OPC(0x53)) |
| #define FMUL_S (F7(0x8) | F3(0x7) | OPC(0x53)) |
| #define FMV_X_W (F7(0x70) | F3(0x0) | OPC(0x53)) |
| #define FMV_W_X (F7(0x78) | F3(0x0) | OPC(0x53)) |
| #define FSD (F3(0x3) | OPC(0x27)) |
| #define FSGNJ_S (F7(0x10) | F3(0x0) | OPC(0x53)) |
| #define FSGNJN_S (F7(0x10) | F3(0x1) | OPC(0x53)) |
| #define FSGNJX_S (F7(0x10) | F3(0x2) | OPC(0x53)) |
| #define FSUB_S (F7(0x4) | F3(0x7) | OPC(0x53)) |
| #define FSW (F3(0x2) | OPC(0x27)) |
| #define JAL (OPC(0x6f)) |
| #define JALR (F3(0x0) | OPC(0x67)) |
| #define LD (F3(0x3) | OPC(0x3)) |
| #define LUI (OPC(0x37)) |
| #define LW (F3(0x2) | OPC(0x3)) |
| #define MUL (F7(0x1) | F3(0x0) | OPC(0x33)) |
| #define MULH (F7(0x1) | F3(0x1) | OPC(0x33)) |
| #define MULHU (F7(0x1) | F3(0x3) | OPC(0x33)) |
| #define OR (F7(0x0) | F3(0x6) | OPC(0x33)) |
| #define ORI (F3(0x6) | OPC(0x13)) |
| #define REM (F7(0x1) | F3(0x6) | OPC(0x33)) |
| #define REMU (F7(0x1) | F3(0x7) | OPC(0x33)) |
| #define SD (F3(0x3) | OPC(0x23)) |
| #define SLL (F7(0x0) | F3(0x1) | OPC(0x33)) |
| #define SLLI (IMM_I(0x0) | F3(0x1) | OPC(0x13)) |
| #define SLT (F7(0x0) | F3(0x2) | OPC(0x33)) |
| #define SLTI (F3(0x2) | OPC(0x13)) |
| #define SLTU (F7(0x0) | F3(0x3) | OPC(0x33)) |
| #define SLTUI (F3(0x3) | OPC(0x13)) |
| #define SRL (F7(0x0) | F3(0x5) | OPC(0x33)) |
| #define SRLI (IMM_I(0x0) | F3(0x5) | OPC(0x13)) |
| #define SRA (F7(0x20) | F3(0x5) | OPC(0x33)) |
| #define SRAI (IMM_I(0x400) | F3(0x5) | OPC(0x13)) |
| #define SUB (F7(0x20) | F3(0x0) | OPC(0x33)) |
| #define SW (F3(0x2) | OPC(0x23)) |
| #define XOR (F7(0x0) | F3(0x4) | OPC(0x33)) |
| #define XORI (F3(0x4) | OPC(0x13)) |
| |
| #define SIMM_MAX (0x7ff) |
| #define SIMM_MIN (-0x800) |
| #define BRANCH_MAX (0xfff) |
| #define BRANCH_MIN (-0x1000) |
| #define JUMP_MAX (0xfffff) |
| #define JUMP_MIN (-0x100000) |
| |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| #define S32_MAX (0x7ffff7ffl) |
| #define S32_MIN (-0x80000000l) |
| #define S44_MAX (0x7fffffff7ffl) |
| #define S52_MAX (0x7ffffffffffffl) |
| #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_s32 push_imm_s_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_sw imm) |
| { |
| return push_inst(compiler, ins | IMM_S(imm)); |
| } |
| |
| static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code, sljit_sw executable_offset) |
| { |
| sljit_sw diff; |
| sljit_uw target_addr; |
| sljit_ins *inst; |
| |
| inst = (sljit_ins *)jump->addr; |
| |
| if (jump->flags & SLJIT_REWRITABLE_JUMP) |
| goto exit; |
| |
| 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; |
| } |
| |
| diff = (sljit_sw)target_addr - (sljit_sw)inst - executable_offset; |
| |
| if (jump->flags & IS_COND) { |
| inst--; |
| diff += SSIZE_OF(ins); |
| |
| if (diff >= BRANCH_MIN && diff <= BRANCH_MAX) { |
| jump->flags |= PATCH_B; |
| inst[0] = (inst[0] & 0x1fff07f) ^ 0x1000; |
| jump->addr = (sljit_uw)inst; |
| return inst; |
| } |
| |
| inst++; |
| diff -= SSIZE_OF(ins); |
| } |
| |
| if (diff >= JUMP_MIN && diff <= JUMP_MAX) { |
| if (jump->flags & IS_COND) { |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| inst[-1] -= (sljit_ins)(1 * sizeof(sljit_ins)) << 7; |
| #else |
| inst[-1] -= (sljit_ins)(5 * sizeof(sljit_ins)) << 7; |
| #endif |
| } |
| |
| jump->flags |= PATCH_J; |
| return inst; |
| } |
| |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| if (diff >= S32_MIN && diff <= S32_MAX) { |
| if (jump->flags & IS_COND) |
| inst[-1] -= (sljit_ins)(4 * sizeof(sljit_ins)) << 7; |
| |
| jump->flags |= PATCH_REL32; |
| inst[1] = inst[0]; |
| return inst + 1; |
| } |
| |
| if (target_addr <= (sljit_uw)S32_MAX) { |
| if (jump->flags & IS_COND) |
| inst[-1] -= (sljit_ins)(4 * sizeof(sljit_ins)) << 7; |
| |
| jump->flags |= PATCH_ABS32; |
| inst[1] = inst[0]; |
| return inst + 1; |
| } |
| |
| if (target_addr <= S44_MAX) { |
| if (jump->flags & IS_COND) |
| inst[-1] -= (sljit_ins)(2 * sizeof(sljit_ins)) << 7; |
| |
| jump->flags |= PATCH_ABS44; |
| inst[3] = inst[0]; |
| return inst + 3; |
| } |
| |
| if (target_addr <= S52_MAX) { |
| if (jump->flags & IS_COND) |
| inst[-1] -= (sljit_ins)(1 * sizeof(sljit_ins)) << 7; |
| |
| jump->flags |= PATCH_ABS52; |
| inst[4] = inst[0]; |
| return inst + 4; |
| } |
| #endif |
| |
| exit: |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| inst[1] = inst[0]; |
| return inst + 1; |
| #else |
| inst[5] = inst[0]; |
| return inst + 5; |
| #endif |
| } |
| |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| |
| static SLJIT_INLINE sljit_sw put_label_get_length(struct sljit_put_label *put_label, sljit_uw max_label) |
| { |
| if (max_label <= (sljit_uw)S32_MAX) { |
| put_label->flags = PATCH_ABS32; |
| return 1; |
| } |
| |
| if (max_label <= S44_MAX) { |
| put_label->flags = PATCH_ABS44; |
| return 3; |
| } |
| |
| if (max_label <= S52_MAX) { |
| put_label->flags = PATCH_ABS52; |
| return 4; |
| } |
| |
| put_label->flags = 0; |
| return 5; |
| } |
| |
| #endif /* SLJIT_CONFIG_RISCV_64 */ |
| |
| static SLJIT_INLINE void load_addr_to_reg(void *dst, sljit_u32 reg) |
| { |
| struct sljit_jump *jump = NULL; |
| struct sljit_put_label *put_label; |
| sljit_uw flags; |
| sljit_ins *inst; |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| sljit_sw high; |
| #endif |
| sljit_uw addr; |
| |
| if (reg != 0) { |
| jump = (struct sljit_jump*)dst; |
| flags = jump->flags; |
| inst = (sljit_ins*)jump->addr; |
| addr = (flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target; |
| } else { |
| put_label = (struct sljit_put_label*)dst; |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| flags = put_label->flags; |
| #endif |
| inst = (sljit_ins*)put_label->addr; |
| addr = put_label->label->addr; |
| reg = *inst; |
| } |
| |
| if ((addr & 0x800) != 0) |
| addr += 0x1000; |
| |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| inst[0] = LUI | RD(reg) | (sljit_ins)((sljit_sw)addr & ~0xfff); |
| #else /* !SLJIT_CONFIG_RISCV_32 */ |
| |
| if (flags & PATCH_ABS32) { |
| SLJIT_ASSERT(addr <= S32_MAX); |
| inst[0] = LUI | RD(reg) | (sljit_ins)((sljit_sw)addr & ~0xfff); |
| } else if (flags & PATCH_ABS44) { |
| high = (sljit_sw)addr >> 12; |
| SLJIT_ASSERT((sljit_uw)high <= 0x7fffffff); |
| |
| if (high > S32_MAX) { |
| SLJIT_ASSERT((high & 0x800) != 0); |
| inst[0] = LUI | RD(reg) | (sljit_ins)0x80000000u; |
| inst[1] = XORI | RD(reg) | RS1(reg) | IMM_I(high); |
| } else { |
| if ((high & 0x800) != 0) |
| high += 0x1000; |
| |
| inst[0] = LUI | RD(reg) | (sljit_ins)(high & ~0xfff); |
| inst[1] = ADDI | RD(reg) | RS1(reg) | IMM_I(high); |
| } |
| |
| inst[2] = SLLI | RD(reg) | RS1(reg) | IMM_I(12); |
| inst += 2; |
| } else { |
| high = (sljit_sw)addr >> 32; |
| |
| if ((addr & 0x80000000l) != 0) |
| high = ~high; |
| |
| if (flags & PATCH_ABS52) { |
| SLJIT_ASSERT(addr <= S52_MAX); |
| inst[0] = LUI | RD(TMP_REG3) | (sljit_ins)(high << 12); |
| } else { |
| if ((high & 0x800) != 0) |
| high += 0x1000; |
| inst[0] = LUI | RD(TMP_REG3) | (sljit_ins)(high & ~0xfff); |
| inst[1] = ADDI | RD(TMP_REG3) | RS1(TMP_REG3) | IMM_I(high); |
| inst++; |
| } |
| |
| inst[1] = LUI | RD(reg) | (sljit_ins)((sljit_sw)addr & ~0xfff); |
| inst[2] = SLLI | RD(TMP_REG3) | RS1(TMP_REG3) | IMM_I((flags & PATCH_ABS52) ? 20 : 32); |
| inst[3] = XOR | RD(reg) | RS1(reg) | RS2(TMP_REG3); |
| inst += 3; |
| } |
| #endif /* !SLJIT_CONFIG_RISCV_32 */ |
| |
| if (jump != NULL) { |
| SLJIT_ASSERT((inst[1] & 0x707f) == JALR); |
| inst[1] = (inst[1] & 0xfffff) | IMM_I(addr); |
| } else |
| inst[1] = ADDI | RD(reg) | RS1(reg) | IMM_I(addr); |
| } |
| |
| 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); |
| |
| 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) { |
| label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); |
| label->size = (sljit_uw)(code_ptr - code); |
| label = label->next; |
| } |
| if (jump && jump->addr == word_count) { |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| word_count += 1; |
| #else |
| word_count += 5; |
| #endif |
| jump->addr = (sljit_uw)code_ptr; |
| code_ptr = detect_jump_type(jump, code, executable_offset); |
| 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_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| code_ptr += 1; |
| word_count += 1; |
| #else |
| code_ptr += put_label_get_length(put_label, (sljit_uw)(SLJIT_ADD_EXEC_OFFSET(code, executable_offset) + put_label->label->size)); |
| word_count += 5; |
| #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)code_ptr; |
| label->size = (sljit_uw)(code_ptr - code); |
| label = label->next; |
| } |
| |
| SLJIT_ASSERT(!label); |
| SLJIT_ASSERT(!jump); |
| SLJIT_ASSERT(!const_); |
| SLJIT_ASSERT(!put_label); |
| SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size); |
| |
| jump = compiler->jumps; |
| while (jump) { |
| do { |
| if (!(jump->flags & (PATCH_B | PATCH_J | PATCH_REL32))) { |
| load_addr_to_reg(jump, TMP_REG1); |
| break; |
| } |
| |
| addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target; |
| buf_ptr = (sljit_ins *)jump->addr; |
| addr -= (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset); |
| |
| if (jump->flags & PATCH_B) { |
| SLJIT_ASSERT((sljit_sw)addr >= BRANCH_MIN && (sljit_sw)addr <= BRANCH_MAX); |
| addr = ((addr & 0x800) >> 4) | ((addr & 0x1e) << 7) | ((addr & 0x7e0) << 20) | ((addr & 0x1000) << 19); |
| buf_ptr[0] |= (sljit_ins)addr; |
| break; |
| } |
| |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| if (jump->flags & PATCH_REL32) { |
| SLJIT_ASSERT((sljit_sw)addr >= S32_MIN && (sljit_sw)addr <= S32_MAX); |
| |
| if ((addr & 0x800) != 0) |
| addr += 0x1000; |
| |
| buf_ptr[0] = AUIPC | RD(TMP_REG1) | (sljit_ins)((sljit_sw)addr & ~0xfff); |
| SLJIT_ASSERT((buf_ptr[1] & 0x707f) == JALR); |
| buf_ptr[1] |= IMM_I(addr); |
| break; |
| } |
| #endif |
| |
| SLJIT_ASSERT((sljit_sw)addr >= JUMP_MIN && (sljit_sw)addr <= JUMP_MAX); |
| addr = (addr & 0xff000) | ((addr & 0x800) << 9) | ((addr & 0x7fe) << 20) | ((addr & 0x100000) << 11); |
| buf_ptr[0] = JAL | RD((jump->flags & IS_CALL) ? RETURN_ADDR_REG : TMP_ZERO) | (sljit_ins)addr; |
| } while (0); |
| jump = jump->next; |
| } |
| |
| put_label = compiler->put_labels; |
| while (put_label) { |
| load_addr_to_reg(put_label, 0); |
| put_label = put_label->next; |
| } |
| |
| compiler->error = SLJIT_ERR_COMPILED; |
| compiler->executable_offset = executable_offset; |
| compiler->executable_size = (sljit_uw)(code_ptr - code) * sizeof(sljit_ins); |
| |
| code = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code, executable_offset); |
| 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); |
| return code; |
| } |
| |
| 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) != 0; |
| #elif defined(__riscv_float_abi_soft) |
| return 0; |
| #else |
| return 1; |
| #endif /* SLJIT_IS_FPU_AVAILABLE */ |
| case SLJIT_HAS_ZERO_REGISTER: |
| case SLJIT_HAS_COPY_F32: |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| case SLJIT_HAS_COPY_F64: |
| #endif /* !SLJIT_CONFIG_RISCV_64 */ |
| return 1; |
| default: |
| return 0; |
| } |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_cmp_info(sljit_s32 type) |
| { |
| switch (type) { |
| case SLJIT_UNORDERED_OR_EQUAL: |
| case SLJIT_ORDERED_NOT_EQUAL: |
| return 2; |
| |
| case SLJIT_UNORDERED: |
| case SLJIT_ORDERED: |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* 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 ARG_TEST 0x00020 |
| #define ALT_KEEP_CACHE 0x00040 |
| #define CUMULATIVE_OP 0x00080 |
| #define IMM_OP 0x00100 |
| #define MOVE_OP 0x00200 |
| #define SRC2_IMM 0x00400 |
| |
| #define UNUSED_DEST 0x00800 |
| #define REG_DEST 0x01000 |
| #define REG1_SOURCE 0x02000 |
| #define REG2_SOURCE 0x04000 |
| #define SLOW_SRC1 0x08000 |
| #define SLOW_SRC2 0x10000 |
| #define SLOW_DEST 0x20000 |
| |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| #define STACK_STORE SW |
| #define STACK_LOAD LW |
| #else |
| #define STACK_STORE SD |
| #define STACK_LOAD LD |
| #endif |
| |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| #include "sljitNativeRISCV_32.c" |
| #else |
| #include "sljitNativeRISCV_64.c" |
| #endif |
| |
| #define STACK_MAX_DISTANCE (-SIMM_MIN) |
| |
| static sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw); |
| |
| 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 i, tmp, offset; |
| sljit_s32 saved_arg_count = SLJIT_KEPT_SAVEDS_COUNT(options); |
| |
| 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); |
| |
| local_size += GET_SAVED_REGISTERS_SIZE(scratches, saveds - saved_arg_count, 1); |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| if (fsaveds > 0 || fscratches >= SLJIT_FIRST_SAVED_FLOAT_REG) { |
| if ((local_size & SSIZE_OF(sw)) != 0) |
| local_size += SSIZE_OF(sw); |
| local_size += GET_SAVED_FLOAT_REGISTERS_SIZE(fscratches, fsaveds, f64); |
| } |
| #else |
| local_size += GET_SAVED_FLOAT_REGISTERS_SIZE(fscratches, fsaveds, f64); |
| #endif |
| local_size = (local_size + SLJIT_LOCALS_OFFSET + 15) & ~0xf; |
| compiler->local_size = local_size; |
| |
| if (local_size <= STACK_MAX_DISTANCE) { |
| /* Frequent case. */ |
| FAIL_IF(push_inst(compiler, ADDI | RD(SLJIT_SP) | RS1(SLJIT_SP) | IMM_I(-local_size))); |
| offset = local_size - SSIZE_OF(sw); |
| local_size = 0; |
| } else { |
| FAIL_IF(push_inst(compiler, ADDI | RD(SLJIT_SP) | RS1(SLJIT_SP) | IMM_I(STACK_MAX_DISTANCE))); |
| local_size -= STACK_MAX_DISTANCE; |
| |
| if (local_size > STACK_MAX_DISTANCE) |
| FAIL_IF(load_immediate(compiler, TMP_REG1, local_size, TMP_REG3)); |
| offset = STACK_MAX_DISTANCE - SSIZE_OF(sw); |
| } |
| |
| FAIL_IF(push_imm_s_inst(compiler, STACK_STORE | RS1(SLJIT_SP) | RS2(RETURN_ADDR_REG), offset)); |
| |
| tmp = SLJIT_S0 - saveds; |
| for (i = SLJIT_S0 - saved_arg_count; i > tmp; i--) { |
| offset -= SSIZE_OF(sw); |
| FAIL_IF(push_imm_s_inst(compiler, STACK_STORE | RS1(SLJIT_SP) | RS2(i), offset)); |
| } |
| |
| for (i = scratches; i >= SLJIT_FIRST_SAVED_REG; i--) { |
| offset -= SSIZE_OF(sw); |
| FAIL_IF(push_imm_s_inst(compiler, STACK_STORE | RS1(SLJIT_SP) | RS2(i), offset)); |
| } |
| |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| /* This alignment is valid because offset is not used after storing FPU regs. */ |
| if ((offset & SSIZE_OF(sw)) != 0) |
| offset -= SSIZE_OF(sw); |
| #endif |
| |
| tmp = SLJIT_FS0 - fsaveds; |
| for (i = SLJIT_FS0; i > tmp; i--) { |
| offset -= SSIZE_OF(f64); |
| FAIL_IF(push_imm_s_inst(compiler, FSD | RS1(SLJIT_SP) | FRS2(i), offset)); |
| } |
| |
| for (i = fscratches; i >= SLJIT_FIRST_SAVED_FLOAT_REG; i--) { |
| offset -= SSIZE_OF(f64); |
| FAIL_IF(push_imm_s_inst(compiler, FSD | RS1(SLJIT_SP) | FRS2(i), offset)); |
| } |
| |
| if (local_size > STACK_MAX_DISTANCE) |
| FAIL_IF(push_inst(compiler, SUB | RD(SLJIT_SP) | RS1(SLJIT_SP) | RS2(TMP_REG1))); |
| else if (local_size > 0) |
| FAIL_IF(push_inst(compiler, ADDI | RD(SLJIT_SP) | RS1(SLJIT_SP) | IMM_I(-local_size))); |
| |
| if (options & SLJIT_ENTER_REG_ARG) |
| return SLJIT_SUCCESS; |
| |
| arg_types >>= SLJIT_ARG_SHIFT; |
| saved_arg_count = 0; |
| tmp = SLJIT_R0; |
| |
| while (arg_types > 0) { |
| if ((arg_types & SLJIT_ARG_MASK) < SLJIT_ARG_TYPE_F64) { |
| if (!(arg_types & SLJIT_ARG_TYPE_SCRATCH_REG)) { |
| FAIL_IF(push_inst(compiler, ADDI | RD(SLJIT_S0 - saved_arg_count) | RS1(tmp) | IMM_I(0))); |
| saved_arg_count++; |
| } |
| tmp++; |
| } |
| |
| arg_types >>= SLJIT_ARG_SHIFT; |
| } |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| #undef STACK_MAX_DISTANCE |
| |
| 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 - SLJIT_KEPT_SAVEDS_COUNT(options), 1); |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| if (fsaveds > 0 || fscratches >= SLJIT_FIRST_SAVED_FLOAT_REG) { |
| if ((local_size & SSIZE_OF(sw)) != 0) |
| local_size += SSIZE_OF(sw); |
| local_size += GET_SAVED_FLOAT_REGISTERS_SIZE(fscratches, fsaveds, f64); |
| } |
| #else |
| local_size += GET_SAVED_FLOAT_REGISTERS_SIZE(fscratches, fsaveds, f64); |
| #endif |
| compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 15) & ~0xf; |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| #define STACK_MAX_DISTANCE (-SIMM_MIN - 16) |
| |
| static sljit_s32 emit_stack_frame_release(struct sljit_compiler *compiler, sljit_s32 is_return_to) |
| { |
| sljit_s32 i, tmp, offset; |
| sljit_s32 local_size = compiler->local_size; |
| |
| if (local_size > STACK_MAX_DISTANCE) { |
| local_size -= STACK_MAX_DISTANCE; |
| |
| if (local_size > STACK_MAX_DISTANCE) { |
| FAIL_IF(load_immediate(compiler, TMP_REG2, local_size, TMP_REG3)); |
| FAIL_IF(push_inst(compiler, ADD | RD(SLJIT_SP) | RS1(SLJIT_SP) | RS2(TMP_REG2))); |
| } else |
| FAIL_IF(push_inst(compiler, ADDI | RD(SLJIT_SP) | RS1(SLJIT_SP) | IMM_I(local_size))); |
| |
| local_size = STACK_MAX_DISTANCE; |
| } |
| |
| SLJIT_ASSERT(local_size > 0); |
| |
| offset = local_size - SSIZE_OF(sw); |
| if (!is_return_to) |
| FAIL_IF(push_inst(compiler, STACK_LOAD | RD(RETURN_ADDR_REG) | RS1(SLJIT_SP) | IMM_I(offset))); |
| |
| tmp = SLJIT_S0 - compiler->saveds; |
| for (i = SLJIT_S0 - SLJIT_KEPT_SAVEDS_COUNT(compiler->options); i > tmp; i--) { |
| offset -= SSIZE_OF(sw); |
| FAIL_IF(push_inst(compiler, STACK_LOAD | RD(i) | RS1(SLJIT_SP) | IMM_I(offset))); |
| } |
| |
| for (i = compiler->scratches; i >= SLJIT_FIRST_SAVED_REG; i--) { |
| offset -= SSIZE_OF(sw); |
| FAIL_IF(push_inst(compiler, STACK_LOAD | RD(i) | RS1(SLJIT_SP) | IMM_I(offset))); |
| } |
| |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| /* This alignment is valid because offset is not used after storing FPU regs. */ |
| if ((offset & SSIZE_OF(sw)) != 0) |
| offset -= SSIZE_OF(sw); |
| #endif |
| |
| tmp = SLJIT_FS0 - compiler->fsaveds; |
| for (i = SLJIT_FS0; i > tmp; i--) { |
| offset -= SSIZE_OF(f64); |
| FAIL_IF(push_inst(compiler, FLD | FRD(i) | RS1(SLJIT_SP) | IMM_I(offset))); |
| } |
| |
| for (i = compiler->fscratches; i >= SLJIT_FIRST_SAVED_FLOAT_REG; i--) { |
| offset -= SSIZE_OF(f64); |
| FAIL_IF(push_inst(compiler, FLD | FRD(i) | RS1(SLJIT_SP) | IMM_I(offset))); |
| } |
| |
| return push_inst(compiler, ADDI | RD(SLJIT_SP) | RS1(SLJIT_SP) | IMM_I(local_size)); |
| } |
| |
| #undef STACK_MAX_DISTANCE |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return_void(struct sljit_compiler *compiler) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_return_void(compiler)); |
| |
| FAIL_IF(emit_stack_frame_release(compiler, 0)); |
| return push_inst(compiler, JALR | RD(TMP_ZERO) | RS1(RETURN_ADDR_REG) | IMM_I(0)); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return_to(struct sljit_compiler *compiler, |
| sljit_s32 src, sljit_sw srcw) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_return_to(compiler, src, srcw)); |
| |
| if (src & SLJIT_MEM) { |
| ADJUST_LOCAL_OFFSET(src, srcw); |
| FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw)); |
| src = TMP_REG1; |
| srcw = 0; |
| } else if (src >= SLJIT_FIRST_SAVED_REG && src <= (SLJIT_S0 - SLJIT_KEPT_SAVEDS_COUNT(compiler->options))) { |
| FAIL_IF(push_inst(compiler, ADDI | RD(TMP_REG1) | RS1(src) | IMM_I(0))); |
| src = TMP_REG1; |
| srcw = 0; |
| } |
| |
| FAIL_IF(emit_stack_frame_release(compiler, 1)); |
| |
| SLJIT_SKIP_CHECKS(compiler); |
| return sljit_emit_ijump(compiler, SLJIT_JUMP, src, srcw); |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* Operators */ |
| /* --------------------------------------------------------------------- */ |
| |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| #define ARCH_32_64(a, b) a |
| #else |
| #define ARCH_32_64(a, b) b |
| #endif |
| |
| static const sljit_ins data_transfer_insts[16 + 4] = { |
| /* u w s */ ARCH_32_64(F3(0x2) | OPC(0x23) /* sw */, F3(0x3) | OPC(0x23) /* sd */), |
| /* u w l */ ARCH_32_64(F3(0x2) | OPC(0x3) /* lw */, F3(0x3) | OPC(0x3) /* ld */), |
| /* u b s */ F3(0x0) | OPC(0x23) /* sb */, |
| /* u b l */ F3(0x4) | OPC(0x3) /* lbu */, |
| /* u h s */ F3(0x1) | OPC(0x23) /* sh */, |
| /* u h l */ F3(0x5) | OPC(0x3) /* lhu */, |
| /* u i s */ F3(0x2) | OPC(0x23) /* sw */, |
| /* u i l */ ARCH_32_64(F3(0x2) | OPC(0x3) /* lw */, F3(0x6) | OPC(0x3) /* lwu */), |
| |
| /* s w s */ ARCH_32_64(F3(0x2) | OPC(0x23) /* sw */, F3(0x3) | OPC(0x23) /* sd */), |
| /* s w l */ ARCH_32_64(F3(0x2) | OPC(0x3) /* lw */, F3(0x3) | OPC(0x3) /* ld */), |
| /* s b s */ F3(0x0) | OPC(0x23) /* sb */, |
| /* s b l */ F3(0x0) | OPC(0x3) /* lb */, |
| /* s h s */ F3(0x1) | OPC(0x23) /* sh */, |
| /* s h l */ F3(0x1) | OPC(0x3) /* lh */, |
| /* s i s */ F3(0x2) | OPC(0x23) /* sw */, |
| /* s i l */ F3(0x2) | OPC(0x3) /* lw */, |
| |
| /* d s */ F3(0x3) | OPC(0x27) /* fsd */, |
| /* d l */ F3(0x3) | OPC(0x7) /* fld */, |
| /* s s */ F3(0x2) | OPC(0x27) /* fsw */, |
| /* s l */ F3(0x2) | OPC(0x7) /* flw */, |
| }; |
| |
| #undef ARCH_32_64 |
| |
| static sljit_s32 push_mem_inst(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 base, sljit_sw offset) |
| { |
| sljit_ins ins; |
| |
| SLJIT_ASSERT(FAST_IS_REG(base) && offset <= 0xfff && offset >= SIMM_MIN); |
| |
| ins = data_transfer_insts[flags & MEM_MASK] | RS1(base); |
| if (flags & LOAD_DATA) |
| ins |= ((flags & MEM_MASK) <= GPR_REG ? RD(reg) : FRD(reg)) | IMM_I(offset); |
| else |
| ins |= ((flags & MEM_MASK) <= GPR_REG ? RS2(reg) : FRS2(reg)) | IMM_S(offset); |
| |
| return push_inst(compiler, ins); |
| } |
| |
| /* Can perform an operation using at most 1 instruction. */ |
| static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw) |
| { |
| |
| SLJIT_ASSERT(arg & SLJIT_MEM); |
| |
| if (!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN) { |
| /* Works for both absoulte and relative addresses. */ |
| if (SLJIT_UNLIKELY(flags & ARG_TEST)) |
| return 1; |
| |
| FAIL_IF(push_mem_inst(compiler, flags, reg, arg & REG_MASK, argw)); |
| return -1; |
| } |
| return 0; |
| } |
| |
| #define TO_ARGW_HI(argw) (((argw) & ~0xfff) + (((argw) & 0x800) ? 0x1000 : 0)) |
| |
| /* See getput_arg below. |
| Note: can_cache is called only for binary operators. */ |
| static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 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; |
| next_argw &= 0x3; |
| if (argw && argw == next_argw && (arg == next_arg || (arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK))) |
| return 1; |
| return 0; |
| } |
| |
| if (arg == next_arg) { |
| if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) |
| || TO_ARGW_HI(argw) == TO_ARGW_HI(next_argw)) |
| return 1; |
| return 0; |
| } |
| |
| return 0; |
| } |
| |
| /* Emit the necessary instructions. See can_cache above. */ |
| static sljit_s32 getput_arg(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw) |
| { |
| sljit_s32 base = arg & REG_MASK; |
| sljit_s32 tmp_r = TMP_REG1; |
| sljit_sw offset, argw_hi; |
| |
| SLJIT_ASSERT(arg & SLJIT_MEM); |
| if (!(next_arg & SLJIT_MEM)) { |
| next_arg = 0; |
| next_argw = 0; |
| } |
| |
| /* Since tmp can be the same as base or offset registers, |
| * these might be unavailable after modifying tmp. */ |
| if ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA) && reg == TMP_REG2) |
| tmp_r = reg; |
| |
| if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { |
| argw &= 0x3; |
| |
| /* Using the cache. */ |
| if (argw == compiler->cache_argw) { |
| if (arg == compiler->cache_arg) |
| return push_mem_inst(compiler, flags, reg, TMP_REG3, 0); |
| |
| if ((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) { |
| if (arg == next_arg && argw == (next_argw & 0x3)) { |
| compiler->cache_arg = arg; |
| compiler->cache_argw = argw; |
| FAIL_IF(push_inst(compiler, ADD | RD(TMP_REG3) | RS1(TMP_REG3) | RS2(base))); |
| return push_mem_inst(compiler, flags, reg, TMP_REG3, 0); |
| } |
| FAIL_IF(push_inst(compiler, ADD | RD(tmp_r) | RS1(base) | RS2(TMP_REG3))); |
| return push_mem_inst(compiler, flags, reg, tmp_r, 0); |
| } |
| } |
| |
| if (SLJIT_UNLIKELY(argw)) { |
| compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK); |
| compiler->cache_argw = argw; |
| FAIL_IF(push_inst(compiler, SLLI | RD(TMP_REG3) | RS1(OFFS_REG(arg)) | IMM_I(argw))); |
| } |
| |
| if (arg == next_arg && argw == (next_argw & 0x3)) { |
| compiler->cache_arg = arg; |
| compiler->cache_argw = argw; |
| FAIL_IF(push_inst(compiler, ADD | RD(TMP_REG3) | RS1(base) | RS2(!argw ? OFFS_REG(arg) : TMP_REG3))); |
| tmp_r = TMP_REG3; |
| } |
| else |
| FAIL_IF(push_inst(compiler, ADD | RD(tmp_r) | RS1(base) | RS2(!argw ? OFFS_REG(arg) : TMP_REG3))); |
| return push_mem_inst(compiler, flags, reg, tmp_r, 0); |
| } |
| |
| if (compiler->cache_arg == arg && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN) |
| return push_mem_inst(compiler, flags, reg, TMP_REG3, argw - compiler->cache_argw); |
| |
| if (compiler->cache_arg == SLJIT_MEM && (argw - compiler->cache_argw <= SIMM_MAX) && (argw - compiler->cache_argw >= SIMM_MIN)) { |
| offset = argw - compiler->cache_argw; |
| } else { |
| compiler->cache_arg = SLJIT_MEM; |
| |
| argw_hi = TO_ARGW_HI(argw); |
| |
| if (next_arg && next_argw - argw <= SIMM_MAX && next_argw - argw >= SIMM_MIN && argw_hi != TO_ARGW_HI(next_argw)) { |
| FAIL_IF(load_immediate(compiler, TMP_REG3, argw, tmp_r)); |
| compiler->cache_argw = argw; |
| offset = 0; |
| } else { |
| FAIL_IF(load_immediate(compiler, TMP_REG3, argw_hi, tmp_r)); |
| compiler->cache_argw = argw_hi; |
| offset = argw & 0xfff; |
| argw = argw_hi; |
| } |
| } |
| |
| if (!base) |
| return push_mem_inst(compiler, flags, reg, TMP_REG3, offset); |
| |
| if (arg == next_arg && next_argw - argw <= SIMM_MAX && next_argw - argw >= SIMM_MIN) { |
| compiler->cache_arg = arg; |
| FAIL_IF(push_inst(compiler, ADD | RD(TMP_REG3) | RS1(TMP_REG3) | RS2(base))); |
| return push_mem_inst(compiler, flags, reg, TMP_REG3, offset); |
| } |
| |
| FAIL_IF(push_inst(compiler, ADD | RD(tmp_r) | RS1(TMP_REG3) | RS2(base))); |
| return push_mem_inst(compiler, flags, reg, tmp_r, offset); |
| } |
| |
| static sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw) |
| { |
| sljit_s32 base = arg & REG_MASK; |
| sljit_s32 tmp_r = TMP_REG1; |
| |
| if (getput_arg_fast(compiler, flags, reg, arg, argw)) |
| return compiler->error; |
| |
| if ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) |
| tmp_r = reg; |
| |
| if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { |
| argw &= 0x3; |
| |
| if (SLJIT_UNLIKELY(argw)) { |
| FAIL_IF(push_inst(compiler, SLLI | RD(tmp_r) | RS1(OFFS_REG(arg)) | IMM_I(argw))); |
| FAIL_IF(push_inst(compiler, ADD | RD(tmp_r) | RS1(tmp_r) | RS2(base))); |
| } |
| else |
| FAIL_IF(push_inst(compiler, ADD | RD(tmp_r) | RS1(base) | RS2(OFFS_REG(arg)))); |
| |
| argw = 0; |
| } else { |
| FAIL_IF(load_immediate(compiler, tmp_r, TO_ARGW_HI(argw), TMP_REG3)); |
| |
| if (base != 0) |
| FAIL_IF(push_inst(compiler, ADD | RD(tmp_r) | RS1(tmp_r) | RS2(base))); |
| } |
| |
| return push_mem_inst(compiler, flags, reg, tmp_r, argw & 0xfff); |
| } |
| |
| static SLJIT_INLINE sljit_s32 emit_op_mem2(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg1, sljit_sw arg1w, sljit_s32 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); |
| } |
| |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| #define WORD 0 |
| #define WORD_32 0 |
| #define IMM_EXTEND(v) (IMM_I(v)) |
| #else /* !SLJIT_CONFIG_RISCV_32 */ |
| #define WORD word |
| #define WORD_32 0x08 |
| #define IMM_EXTEND(v) (IMM_I((op & SLJIT_32) ? (v) : (32 + (v)))) |
| #endif /* SLJIT_CONFIG_RISCV_32 */ |
| |
| static sljit_s32 emit_clz_ctz(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 dst, sljit_sw src) |
| { |
| sljit_s32 is_clz = (GET_OPCODE(op) == SLJIT_CLZ); |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| sljit_ins word = (sljit_ins)(op & SLJIT_32) >> 5; |
| sljit_ins word_size = (op & SLJIT_32) ? 32 : 64; |
| #else /* !SLJIT_CONFIG_RISCV_64 */ |
| sljit_ins word_size = 32; |
| #endif /* SLJIT_CONFIG_RISCV_64 */ |
| |
| SLJIT_ASSERT(WORD == 0 || WORD == 0x8); |
| |
| /* The OTHER_FLAG is the counter. */ |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(OTHER_FLAG) | RS1(TMP_ZERO) | IMM_I(word_size))); |
| |
| /* The TMP_REG2 is the next value. */ |
| if (src != TMP_REG2) |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(TMP_REG2) | RS1(src) | IMM_I(0))); |
| |
| FAIL_IF(push_inst(compiler, BEQ | RS1(TMP_REG2) | RS2(TMP_ZERO) | ((sljit_ins)((is_clz ? 4 : 5) * SSIZE_OF(ins)) << 7) | ((sljit_ins)(8 * SSIZE_OF(ins)) << 20))); |
| |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(OTHER_FLAG) | RS1(TMP_ZERO) | IMM_I(0))); |
| if (!is_clz) { |
| FAIL_IF(push_inst(compiler, ANDI | RD(TMP_REG1) | RS1(TMP_REG2) | IMM_I(1))); |
| FAIL_IF(push_inst(compiler, BNE | RS1(TMP_REG1) | RS2(TMP_ZERO) | ((sljit_ins)(2 * SSIZE_OF(ins)) << 7) | ((sljit_ins)(8 * SSIZE_OF(ins)) << 20))); |
| } else |
| FAIL_IF(push_inst(compiler, BLT | RS1(TMP_REG2) | RS2(TMP_ZERO) | ((sljit_ins)(2 * SSIZE_OF(ins)) << 7) | ((sljit_ins)(8 * SSIZE_OF(ins)) << 20))); |
| |
| /* The TMP_REG1 is the next shift. */ |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(TMP_REG1) | RS1(TMP_ZERO) | IMM_I(word_size))); |
| |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(EQUAL_FLAG) | RS1(TMP_REG2) | IMM_I(0))); |
| FAIL_IF(push_inst(compiler, SRLI | WORD | RD(TMP_REG1) | RS1(TMP_REG1) | IMM_I(1))); |
| |
| FAIL_IF(push_inst(compiler, (is_clz ? SRL : SLL) | WORD | RD(TMP_REG2) | RS1(EQUAL_FLAG) | RS2(TMP_REG1))); |
| FAIL_IF(push_inst(compiler, BNE | RS1(TMP_REG2) | RS2(TMP_ZERO) | ((sljit_ins)0xfe000e80 - ((2 * SSIZE_OF(ins)) << 7)))); |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(TMP_REG2) | RS1(TMP_REG1) | IMM_I(-1))); |
| FAIL_IF(push_inst(compiler, (is_clz ? SRL : SLL) | WORD | RD(TMP_REG2) | RS1(EQUAL_FLAG) | RS2(TMP_REG2))); |
| FAIL_IF(push_inst(compiler, OR | RD(OTHER_FLAG) | RS1(OTHER_FLAG) | RS2(TMP_REG1))); |
| FAIL_IF(push_inst(compiler, BEQ | RS1(TMP_REG2) | RS2(TMP_ZERO) | ((sljit_ins)0xfe000e80 - ((5 * SSIZE_OF(ins)) << 7)))); |
| |
| return push_inst(compiler, ADDI | WORD | RD(dst) | RS1(OTHER_FLAG) | IMM_I(0)); |
| } |
| |
| static sljit_s32 emit_rev(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 dst, sljit_sw src) |
| { |
| SLJIT_UNUSED_ARG(op); |
| |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| if (!(op & SLJIT_32)) { |
| FAIL_IF(push_inst(compiler, LUI | RD(OTHER_FLAG) | 0x10000)); |
| FAIL_IF(push_inst(compiler, SRLI | RD(TMP_REG1) | RS1(src) | IMM_I(32))); |
| FAIL_IF(push_inst(compiler, ADDI | RD(OTHER_FLAG) | RS1(OTHER_FLAG) | IMM_I(0xfff))); |
| FAIL_IF(push_inst(compiler, SLLI | RD(dst) | RS1(src) | IMM_I(32))); |
| FAIL_IF(push_inst(compiler, SLLI | RD(EQUAL_FLAG) | RS1(OTHER_FLAG) | IMM_I(32))); |
| FAIL_IF(push_inst(compiler, OR | RD(dst) | RS1(dst) | RS2(TMP_REG1))); |
| FAIL_IF(push_inst(compiler, OR | RD(OTHER_FLAG) | RS1(OTHER_FLAG) | RS2(EQUAL_FLAG))); |
| |
| FAIL_IF(push_inst(compiler, SRLI | RD(TMP_REG1) | RS1(dst) | IMM_I(16))); |
| FAIL_IF(push_inst(compiler, AND | RD(dst) | RS1(dst) | RS2(OTHER_FLAG))); |
| FAIL_IF(push_inst(compiler, AND | RD(TMP_REG1) | RS1(TMP_REG1) | RS2(OTHER_FLAG))); |
| FAIL_IF(push_inst(compiler, SLLI | RD(EQUAL_FLAG) | RS1(OTHER_FLAG) | IMM_I(8))); |
| FAIL_IF(push_inst(compiler, SLLI | RD(dst) | RS1(dst) | IMM_I(16))); |
| FAIL_IF(push_inst(compiler, XOR | RD(OTHER_FLAG) | RS1(OTHER_FLAG) | RS2(EQUAL_FLAG))); |
| FAIL_IF(push_inst(compiler, OR | RD(dst) | RS1(dst) | RS2(TMP_REG1))); |
| |
| FAIL_IF(push_inst(compiler, SRLI | RD(TMP_REG1) | RS1(dst) | IMM_I(8))); |
| FAIL_IF(push_inst(compiler, AND | RD(dst) | RS1(dst) | RS2(OTHER_FLAG))); |
| FAIL_IF(push_inst(compiler, AND | RD(TMP_REG1) | RS1(TMP_REG1) | RS2(OTHER_FLAG))); |
| FAIL_IF(push_inst(compiler, SLLI | RD(dst) | RS1(dst) | IMM_I(8))); |
| return push_inst(compiler, OR | RD(dst) | RS1(dst) | RS2(TMP_REG1)); |
| } |
| #endif /* SLJIT_CONFIG_RISCV_64 */ |
| |
| FAIL_IF(push_inst(compiler, SRLI | WORD_32 | RD(TMP_REG1) | RS1(src) | IMM_I(16))); |
| FAIL_IF(push_inst(compiler, LUI | RD(OTHER_FLAG) | 0xff0000)); |
| FAIL_IF(push_inst(compiler, SLLI | WORD_32 | RD(dst) | RS1(src) | IMM_I(16))); |
| FAIL_IF(push_inst(compiler, ORI | RD(OTHER_FLAG) | RS1(OTHER_FLAG) | IMM_I(0xff))); |
| FAIL_IF(push_inst(compiler, OR | RD(dst) | RS1(dst) | RS2(TMP_REG1))); |
| |
| FAIL_IF(push_inst(compiler, SRLI | WORD_32 | RD(TMP_REG1) | RS1(dst) | IMM_I(8))); |
| FAIL_IF(push_inst(compiler, AND | RD(dst) | RS1(dst) | RS2(OTHER_FLAG))); |
| FAIL_IF(push_inst(compiler, AND | RD(TMP_REG1) | RS1(TMP_REG1) | RS2(OTHER_FLAG))); |
| FAIL_IF(push_inst(compiler, SLLI | WORD_32 | RD(dst) | RS1(dst) | IMM_I(8))); |
| return push_inst(compiler, OR | RD(dst) | RS1(dst) | RS2(TMP_REG1)); |
| } |
| |
| static sljit_s32 emit_rev16(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 dst, sljit_sw src) |
| { |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| sljit_ins word = (sljit_ins)(op & SLJIT_32) >> 5; |
| sljit_ins word_size = (op & SLJIT_32) ? 32 : 64; |
| #else /* !SLJIT_CONFIG_RISCV_64 */ |
| sljit_ins word_size = 32; |
| #endif /* SLJIT_CONFIG_RISCV_64 */ |
| |
| FAIL_IF(push_inst(compiler, SRLI | WORD | RD(TMP_REG1) | RS1(src) | IMM_I(8))); |
| FAIL_IF(push_inst(compiler, SLLI | WORD | RD(dst) | RS1(src) | IMM_I(word_size - 8))); |
| FAIL_IF(push_inst(compiler, ANDI | RD(TMP_REG1) | RS1(TMP_REG1) | IMM_I(0xff))); |
| FAIL_IF(push_inst(compiler, (GET_OPCODE(op) == SLJIT_REV_U16 ? SRLI : SRAI) | WORD | RD(dst) | RS1(dst) | IMM_I(word_size - 16))); |
| return push_inst(compiler, OR | RD(dst) | RS1(dst) | RS2(TMP_REG1)); |
| } |
| |
| #define EMIT_LOGICAL(op_imm, op_reg) \ |
| if (flags & SRC2_IMM) { \ |
| if (op & SLJIT_SET_Z) \ |
| FAIL_IF(push_inst(compiler, op_imm | RD(EQUAL_FLAG) | RS1(src1) | IMM_I(src2))); \ |
| if (!(flags & UNUSED_DEST)) \ |
| FAIL_IF(push_inst(compiler, op_imm | RD(dst) | RS1(src1) | IMM_I(src2))); \ |
| } \ |
| else { \ |
| if (op & SLJIT_SET_Z) \ |
| FAIL_IF(push_inst(compiler, op_reg | RD(EQUAL_FLAG) | RS1(src1) | RS2(src2))); \ |
| if (!(flags & UNUSED_DEST)) \ |
| FAIL_IF(push_inst(compiler, op_reg | RD(dst) | RS1(src1) | RS2(src2))); \ |
| } |
| |
| #define EMIT_SHIFT(imm, reg) \ |
| op_imm = (imm); \ |
| op_reg = (reg); |
| |
| static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags, |
| sljit_s32 dst, sljit_s32 src1, sljit_sw src2) |
| { |
| sljit_s32 is_overflow, is_carry, carry_src_r, is_handled; |
| sljit_ins op_imm, op_reg; |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| sljit_ins word = (sljit_ins)(op & SLJIT_32) >> 5; |
| #endif /* SLJIT_CONFIG_RISCV_64 */ |
| |
| SLJIT_ASSERT(WORD == 0 || WORD == 0x8); |
| |
| switch (GET_OPCODE(op)) { |
| case SLJIT_MOV: |
| SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); |
| if (dst != src2) |
| return push_inst(compiler, ADDI | RD(dst) | RS1(src2) | IMM_I(0)); |
| return SLJIT_SUCCESS; |
| |
| case SLJIT_MOV_U8: |
| SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); |
| if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) |
| return push_inst(compiler, ANDI | RD(dst) | RS1(src2) | IMM_I(0xff)); |
| SLJIT_ASSERT(dst == src2); |
| return SLJIT_SUCCESS; |
| |
| case SLJIT_MOV_S8: |
| SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); |
| if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { |
| FAIL_IF(push_inst(compiler, SLLI | WORD | RD(dst) | RS1(src2) | IMM_EXTEND(24))); |
| return push_inst(compiler, SRAI | WORD | RD(dst) | RS1(dst) | IMM_EXTEND(24)); |
| } |
| SLJIT_ASSERT(dst == src2); |
| return SLJIT_SUCCESS; |
| |
| case SLJIT_MOV_U16: |
| SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); |
| if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { |
| FAIL_IF(push_inst(compiler, SLLI | WORD | RD(dst) | RS1(src2) | IMM_EXTEND(16))); |
| return push_inst(compiler, SRLI | WORD | RD(dst) | RS1(dst) | IMM_EXTEND(16)); |
| } |
| SLJIT_ASSERT(dst == src2); |
| return SLJIT_SUCCESS; |
| |
| case SLJIT_MOV_S16: |
| SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); |
| if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { |
| FAIL_IF(push_inst(compiler, SLLI | WORD | RD(dst) | RS1(src2) | IMM_EXTEND(16))); |
| return push_inst(compiler, SRAI | WORD | RD(dst) | RS1(dst) | IMM_EXTEND(16)); |
| } |
| SLJIT_ASSERT(dst == src2); |
| return SLJIT_SUCCESS; |
| |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| case SLJIT_MOV_U32: |
| SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); |
| if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { |
| FAIL_IF(push_inst(compiler, SLLI | RD(dst) | RS1(src2) | IMM_I(32))); |
| return push_inst(compiler, SRLI | RD(dst) | RS1(dst) | IMM_I(32)); |
| } |
| SLJIT_ASSERT(dst == src2); |
| return SLJIT_SUCCESS; |
| |
| case SLJIT_MOV_S32: |
| SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); |
| if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) |
| return push_inst(compiler, ADDI | 0x8 | RD(dst) | RS1(src2) | IMM_I(0)); |
| SLJIT_ASSERT(dst == src2); |
| return SLJIT_SUCCESS; |
| #endif /* SLJIT_CONFIG_RISCV_64 */ |
| |
| case SLJIT_CLZ: |
| case SLJIT_CTZ: |
| SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); |
| return emit_clz_ctz(compiler, op, dst, src2); |
| |
| case SLJIT_REV: |
| case SLJIT_REV_S32: |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| case SLJIT_REV_U32: |
| #endif /* SLJIT_CONFIG_RISCV_32 */ |
| SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); |
| return emit_rev(compiler, op, dst, src2); |
| |
| case SLJIT_REV_U16: |
| case SLJIT_REV_S16: |
| SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); |
| return emit_rev16(compiler, op, dst, src2); |
| |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| case SLJIT_REV_U32: |
| SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM) && dst != TMP_REG1); |
| FAIL_IF(emit_rev(compiler, op, dst, src2)); |
| if (dst == TMP_REG2) |
| return SLJIT_SUCCESS; |
| FAIL_IF(push_inst(compiler, SLLI | RD(dst) | RS1(dst) | IMM_I(32))); |
| return push_inst(compiler, SRLI | RD(dst) | RS1(dst) | IMM_I(32)); |
| #endif /* SLJIT_CONFIG_RISCV_32 */ |
| |
| case SLJIT_ADD: |
| /* Overflow computation (both add and sub): overflow = src1_sign ^ src2_sign ^ result_sign ^ carry_flag */ |
| is_overflow = GET_FLAG_TYPE(op) == SLJIT_OVERFLOW; |
| carry_src_r = GET_FLAG_TYPE(op) == SLJIT_CARRY; |
| |
| if (flags & SRC2_IMM) { |
| if (is_overflow) { |
| if (src2 >= 0) |
| FAIL_IF(push_inst(compiler, ADDI | RD(EQUAL_FLAG) | RS1(src1) | IMM_I(0))); |
| else |
| FAIL_IF(push_inst(compiler, XORI | RD(EQUAL_FLAG) | RS1(src1) | IMM_I(-1))); |
| } |
| else if (op & SLJIT_SET_Z) |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(EQUAL_FLAG) | RS1(src1) | IMM_I(src2))); |
| |
| /* Only the zero flag is needed. */ |
| if (!(flags & UNUSED_DEST) || (op & VARIABLE_FLAG_MASK)) |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(dst) | RS1(src1) | IMM_I(src2))); |
| } |
| else { |
| if (is_overflow) |
| FAIL_IF(push_inst(compiler, XOR | RD(EQUAL_FLAG) | RS1(src1) | RS2(src2))); |
| else if (op & SLJIT_SET_Z) |
| FAIL_IF(push_inst(compiler, ADD | WORD | RD(EQUAL_FLAG) | RS1(src1) | RS2(src2))); |
| |
| if (is_overflow || carry_src_r != 0) { |
| if (src1 != dst) |
| carry_src_r = (sljit_s32)src1; |
| else if (src2 != dst) |
| carry_src_r = (sljit_s32)src2; |
| else { |
| FAIL_IF(push_inst(compiler, ADDI | RD(OTHER_FLAG) | RS1(src1) | IMM_I(0))); |
| carry_src_r = OTHER_FLAG; |
| } |
| } |
| |
| /* Only the zero flag is needed. */ |
| if (!(flags & UNUSED_DEST) || (op & VARIABLE_FLAG_MASK)) |
| FAIL_IF(push_inst(compiler, ADD | WORD | RD(dst) | RS1(src1) | RS2(src2))); |
| } |
| |
| /* Carry is zero if a + b >= a or a + b >= b, otherwise it is 1. */ |
| if (is_overflow || carry_src_r != 0) { |
| if (flags & SRC2_IMM) |
| FAIL_IF(push_inst(compiler, SLTUI | RD(OTHER_FLAG) | RS1(dst) | IMM_I(src2))); |
| else |
| FAIL_IF(push_inst(compiler, SLTU | RD(OTHER_FLAG) | RS1(dst) | RS2(carry_src_r))); |
| } |
| |
| if (!is_overflow) |
| return SLJIT_SUCCESS; |
| |
| FAIL_IF(push_inst(compiler, XOR | RD(TMP_REG1) | RS1(dst) | RS2(EQUAL_FLAG))); |
| if (op & SLJIT_SET_Z) |
| FAIL_IF(push_inst(compiler, ADDI | RD(EQUAL_FLAG) | RS1(dst) | IMM_I(0))); |
| FAIL_IF(push_inst(compiler, SRLI | WORD | RD(TMP_REG1) | RS1(TMP_REG1) | IMM_EXTEND(31))); |
| return push_inst(compiler, XOR | RD(OTHER_FLAG) | RS1(TMP_REG1) | RS2(OTHER_FLAG)); |
| |
| case SLJIT_ADDC: |
| carry_src_r = GET_FLAG_TYPE(op) == SLJIT_CARRY; |
| |
| if (flags & SRC2_IMM) { |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(dst) | RS1(src1) | IMM_I(src2))); |
| } else { |
| if (carry_src_r != 0) { |
| if (src1 != dst) |
| carry_src_r = (sljit_s32)src1; |
| else if (src2 != dst) |
| carry_src_r = (sljit_s32)src2; |
| else { |
| FAIL_IF(push_inst(compiler, ADDI | RD(EQUAL_FLAG) | RS1(src1) | IMM_I(0))); |
| carry_src_r = EQUAL_FLAG; |
| } |
| } |
| |
| FAIL_IF(push_inst(compiler, ADD | WORD | RD(dst) | RS1(src1) | RS2(src2))); |
| } |
| |
| /* Carry is zero if a + b >= a or a + b >= b, otherwise it is 1. */ |
| if (carry_src_r != 0) { |
| if (flags & SRC2_IMM) |
| FAIL_IF(push_inst(compiler, SLTUI | RD(EQUAL_FLAG) | RS1(dst) | IMM_I(src2))); |
| else |
| FAIL_IF(push_inst(compiler, SLTU | RD(EQUAL_FLAG) | RS1(dst) | RS2(carry_src_r))); |
| } |
| |
| FAIL_IF(push_inst(compiler, ADD | WORD | RD(dst) | RS1(dst) | RS2(OTHER_FLAG))); |
| |
| if (carry_src_r == 0) |
| return SLJIT_SUCCESS; |
| |
| /* Set ULESS_FLAG (dst == 0) && (OTHER_FLAG == 1). */ |
| FAIL_IF(push_inst(compiler, SLTU | RD(OTHER_FLAG) | RS1(dst) | RS2(OTHER_FLAG))); |
| /* Set carry flag. */ |
| return push_inst(compiler, OR | RD(OTHER_FLAG) | RS1(OTHER_FLAG) | RS2(EQUAL_FLAG)); |
| |
| case SLJIT_SUB: |
| if ((flags & SRC2_IMM) && src2 == SIMM_MIN) { |
| FAIL_IF(push_inst(compiler, ADDI | RD(TMP_REG2) | RS1(TMP_ZERO) | IMM_I(src2))); |
| src2 = TMP_REG2; |
| flags &= ~SRC2_IMM; |
| } |
| |
| is_handled = 0; |
| |
| if (flags & SRC2_IMM) { |
| if (GET_FLAG_TYPE(op) == SLJIT_LESS) { |
| FAIL_IF(push_inst(compiler, SLTUI | RD(OTHER_FLAG) | RS1(src1) | IMM_I(src2))); |
| is_handled = 1; |
| } |
| else if (GET_FLAG_TYPE(op) == SLJIT_SIG_LESS) { |
| FAIL_IF(push_inst(compiler, SLTI | RD(OTHER_FLAG) | RS1(src1) | IMM_I(src2))); |
| is_handled = 1; |
| } |
| } |
| |
| if (!is_handled && GET_FLAG_TYPE(op) >= SLJIT_LESS && GET_FLAG_TYPE(op) <= SLJIT_SIG_LESS_EQUAL) { |
| is_handled = 1; |
| |
| if (flags & SRC2_IMM) { |
| FAIL_IF(push_inst(compiler, ADDI | RD(TMP_REG2) | RS1(TMP_ZERO) | IMM_I(src2))); |
| src2 = TMP_REG2; |
| flags &= ~SRC2_IMM; |
| } |
| |
| switch (GET_FLAG_TYPE(op)) { |
| case SLJIT_LESS: |
| FAIL_IF(push_inst(compiler, SLTU | RD(OTHER_FLAG) | RS1(src1) | RS2(src2))); |
| break; |
| case SLJIT_GREATER: |
| FAIL_IF(push_inst(compiler, SLTU | RD(OTHER_FLAG) | RS1(src2) | RS2(src1))); |
| break; |
| case SLJIT_SIG_LESS: |
| FAIL_IF(push_inst(compiler, SLT | RD(OTHER_FLAG) | RS1(src1) | RS2(src2))); |
| break; |
| case SLJIT_SIG_GREATER: |
| FAIL_IF(push_inst(compiler, SLT | RD(OTHER_FLAG) | RS1(src2) | RS2(src1))); |
| break; |
| } |
| } |
| |
| if (is_handled) { |
| if (flags & SRC2_IMM) { |
| if (op & SLJIT_SET_Z) |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(EQUAL_FLAG) | RS1(src1) | IMM_I(-src2))); |
| if (!(flags & UNUSED_DEST)) |
| return push_inst(compiler, ADDI | WORD | RD(dst) | RS1(src1) | IMM_I(-src2)); |
| } |
| else { |
| if (op & SLJIT_SET_Z) |
| FAIL_IF(push_inst(compiler, SUB | WORD | RD(EQUAL_FLAG) | RS1(src1) | RS2(src2))); |
| if (!(flags & UNUSED_DEST)) |
| return push_inst(compiler, SUB | WORD | RD(dst) | RS1(src1) | RS2(src2)); |
| } |
| return SLJIT_SUCCESS; |
| } |
| |
| is_overflow = GET_FLAG_TYPE(op) == SLJIT_OVERFLOW; |
| is_carry = GET_FLAG_TYPE(op) == SLJIT_CARRY; |
| |
| if (flags & SRC2_IMM) { |
| if (is_overflow) { |
| if (src2 >= 0) |
| FAIL_IF(push_inst(compiler, ADDI | RD(EQUAL_FLAG) | RS1(src1) | IMM_I(0))); |
| else |
| FAIL_IF(push_inst(compiler, XORI | RD(EQUAL_FLAG) | RS1(src1) | IMM_I(-1))); |
| } |
| else if (op & SLJIT_SET_Z) |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(EQUAL_FLAG) | RS1(src1) | IMM_I(-src2))); |
| |
| if (is_overflow || is_carry) |
| FAIL_IF(push_inst(compiler, SLTUI | RD(OTHER_FLAG) | RS1(src1) | IMM_I(src2))); |
| |
| /* Only the zero flag is needed. */ |
| if (!(flags & UNUSED_DEST) || (op & VARIABLE_FLAG_MASK)) |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(dst) | RS1(src1) | IMM_I(-src2))); |
| } |
| else { |
| if (is_overflow) |
| FAIL_IF(push_inst(compiler, XOR | RD(EQUAL_FLAG) | RS1(src1) | RS2(src2))); |
| else if (op & SLJIT_SET_Z) |
| FAIL_IF(push_inst(compiler, SUB | WORD | RD(EQUAL_FLAG) | RS1(src1) | RS2(src2))); |
| |
| if (is_overflow || is_carry) |
| FAIL_IF(push_inst(compiler, SLTU | RD(OTHER_FLAG) | RS1(src1) | RS2(src2))); |
| |
| /* Only the zero flag is needed. */ |
| if (!(flags & UNUSED_DEST) || (op & VARIABLE_FLAG_MASK)) |
| FAIL_IF(push_inst(compiler, SUB | WORD | RD(dst) | RS1(src1) | RS2(src2))); |
| } |
| |
| if (!is_overflow) |
| return SLJIT_SUCCESS; |
| |
| FAIL_IF(push_inst(compiler, XOR | RD(TMP_REG1) | RS1(dst) | RS2(EQUAL_FLAG))); |
| if (op & SLJIT_SET_Z) |
| FAIL_IF(push_inst(compiler, ADDI | RD(EQUAL_FLAG) | RS1(dst) | IMM_I(0))); |
| FAIL_IF(push_inst(compiler, SRLI | WORD | RD(TMP_REG1) | RS1(TMP_REG1) | IMM_EXTEND(31))); |
| return push_inst(compiler, XOR | RD(OTHER_FLAG) | RS1(TMP_REG1) | RS2(OTHER_FLAG)); |
| |
| case SLJIT_SUBC: |
| if ((flags & SRC2_IMM) && src2 == SIMM_MIN) { |
| FAIL_IF(push_inst(compiler, ADDI | RD(TMP_REG2) | RS1(TMP_ZERO) | IMM_I(src2))); |
| src2 = TMP_REG2; |
| flags &= ~SRC2_IMM; |
| } |
| |
| is_carry = GET_FLAG_TYPE(op) == SLJIT_CARRY; |
| |
| if (flags & SRC2_IMM) { |
| if (is_carry) |
| FAIL_IF(push_inst(compiler, SLTUI | RD(EQUAL_FLAG) | RS1(src1) | IMM_I(src2))); |
| |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(dst) | RS1(src1) | IMM_I(-src2))); |
| } |
| else { |
| if (is_carry) |
| FAIL_IF(push_inst(compiler, SLTU | RD(EQUAL_FLAG) | RS1(src1) | RS2(src2))); |
| |
| FAIL_IF(push_inst(compiler, SUB | WORD | RD(dst) | RS1(src1) | RS2(src2))); |
| } |
| |
| if (is_carry) |
| FAIL_IF(push_inst(compiler, SLTU | RD(TMP_REG1) | RS1(dst) | RS2(OTHER_FLAG))); |
| |
| FAIL_IF(push_inst(compiler, SUB | WORD | RD(dst) | RS1(dst) | RS2(OTHER_FLAG))); |
| |
| if (!is_carry) |
| return SLJIT_SUCCESS; |
| |
| return push_inst(compiler, OR | RD(OTHER_FLAG) | RS1(EQUAL_FLAG) | RS2(TMP_REG1)); |
| |
| case SLJIT_MUL: |
| SLJIT_ASSERT(!(flags & SRC2_IMM)); |
| |
| if (GET_FLAG_TYPE(op) != SLJIT_OVERFLOW) |
| return push_inst(compiler, MUL | WORD | RD(dst) | RS1(src1) | RS2(src2)); |
| |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| if (word) { |
| FAIL_IF(push_inst(compiler, MUL | RD(OTHER_FLAG) | RS1(src1) | RS2(src2))); |
| FAIL_IF(push_inst(compiler, MUL | 0x8 | RD(dst) | RS1(src1) | RS2(src2))); |
| return push_inst(compiler, SUB | RD(OTHER_FLAG) | RS1(dst) | RS2(OTHER_FLAG)); |
| } |
| #endif /* SLJIT_CONFIG_RISCV_64 */ |
| |
| FAIL_IF(push_inst(compiler, MULH | RD(EQUAL_FLAG) | RS1(src1) | RS2(src2))); |
| FAIL_IF(push_inst(compiler, MUL | RD(dst) | RS1(src1) | RS2(src2))); |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| FAIL_IF(push_inst(compiler, SRAI | RD(OTHER_FLAG) | RS1(dst) | IMM_I(31))); |
| #else /* !SLJIT_CONFIG_RISCV_32 */ |
| FAIL_IF(push_inst(compiler, SRAI | RD(OTHER_FLAG) | RS1(dst) | IMM_I(63))); |
| #endif /* SLJIT_CONFIG_RISCV_32 */ |
| return push_inst(compiler, SUB | RD(OTHER_FLAG) | RS1(EQUAL_FLAG) | RS2(OTHER_FLAG)); |
| |
| case SLJIT_AND: |
| EMIT_LOGICAL(ANDI, AND); |
| return SLJIT_SUCCESS; |
| |
| case SLJIT_OR: |
| EMIT_LOGICAL(ORI, OR); |
| return SLJIT_SUCCESS; |
| |
| case SLJIT_XOR: |
| EMIT_LOGICAL(XORI, XOR); |
| return SLJIT_SUCCESS; |
| |
| case SLJIT_SHL: |
| case SLJIT_MSHL: |
| EMIT_SHIFT(SLLI, SLL); |
| break; |
| |
| case SLJIT_LSHR: |
| case SLJIT_MLSHR: |
| EMIT_SHIFT(SRLI, SRL); |
| break; |
| |
| case SLJIT_ASHR: |
| case SLJIT_MASHR: |
| EMIT_SHIFT(SRAI, SRA); |
| break; |
| |
| case SLJIT_ROTL: |
| case SLJIT_ROTR: |
| if (flags & SRC2_IMM) { |
| SLJIT_ASSERT(src2 != 0); |
| |
| op_imm = (GET_OPCODE(op) == SLJIT_ROTL) ? SLLI : SRLI; |
| FAIL_IF(push_inst(compiler, op_imm | WORD | RD(OTHER_FLAG) | RS1(src1) | IMM_I(src2))); |
| |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| src2 = ((op & SLJIT_32) ? 32 : 64) - src2; |
| #else /* !SLJIT_CONFIG_RISCV_64 */ |
| src2 = 32 - src2; |
| #endif /* SLJIT_CONFIG_RISCV_64 */ |
| op_imm = (GET_OPCODE(op) == SLJIT_ROTL) ? SRLI : SLLI; |
| FAIL_IF(push_inst(compiler, op_imm | WORD | RD(dst) | RS1(src1) | IMM_I(src2))); |
| return push_inst(compiler, OR | RD(dst) | RS1(dst) | RS2(OTHER_FLAG)); |
| } |
| |
| if (src2 == TMP_ZERO) { |
| if (dst != src1) |
| return push_inst(compiler, ADDI | WORD | RD(dst) | RS1(src1) | IMM_I(0)); |
| return SLJIT_SUCCESS; |
| } |
| |
| FAIL_IF(push_inst(compiler, SUB | WORD | RD(EQUAL_FLAG) | RS1(TMP_ZERO) | RS2(src2))); |
| op_reg = (GET_OPCODE(op) == SLJIT_ROTL) ? SLL : SRL; |
| FAIL_IF(push_inst(compiler, op_reg | WORD | RD(OTHER_FLAG) | RS1(src1) | RS2(src2))); |
| op_reg = (GET_OPCODE(op) == SLJIT_ROTL) ? SRL : SLL; |
| FAIL_IF(push_inst(compiler, op_reg | WORD | RD(dst) | RS1(src1) | RS2(EQUAL_FLAG))); |
| return push_inst(compiler, OR | RD(dst) | RS1(dst) | RS2(OTHER_FLAG)); |
| |
| default: |
| SLJIT_UNREACHABLE(); |
| return SLJIT_SUCCESS; |
| } |
| |
| if (flags & SRC2_IMM) { |
| if (op & SLJIT_SET_Z) |
| FAIL_IF(push_inst(compiler, op_imm | WORD | RD(EQUAL_FLAG) | RS1(src1) | IMM_I(src2))); |
| |
| if (flags & UNUSED_DEST) |
| return SLJIT_SUCCESS; |
| return push_inst(compiler, op_imm | WORD | RD(dst) | RS1(src1) | IMM_I(src2)); |
| } |
| |
| if (op & SLJIT_SET_Z) |
| FAIL_IF(push_inst(compiler, op_reg | WORD | RD(EQUAL_FLAG) | RS1(src1) | RS2(src2))); |
| |
| if (flags & UNUSED_DEST) |
| return SLJIT_SUCCESS; |
| return push_inst(compiler, op_reg | WORD | RD(dst) | RS1(src1) | RS2(src2)); |
| } |
| |
| #undef IMM_EXTEND |
| |
| static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 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 |
| TMP_REG3 can be used for caching |
| result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */ |
| sljit_s32 dst_r = TMP_REG2; |
| sljit_s32 src1_r; |
| sljit_sw src2_r = 0; |
| sljit_s32 sugg_src2_r = TMP_REG2; |
| |
| if (!(flags & ALT_KEEP_CACHE)) { |
| compiler->cache_arg = 0; |
| compiler->cache_argw = 0; |
| } |
| |
| if (dst == 0) { |
| SLJIT_ASSERT(HAS_FLAGS(op)); |
| flags |= UNUSED_DEST; |
| dst = TMP_REG2; |
| } |
| else if (FAST_IS_REG(dst)) { |
| dst_r = dst; |
| flags |= REG_DEST; |
| if (flags & MOVE_OP) |
| 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 != 0 && src2w <= SIMM_MAX && src2w >= SIMM_MIN) { |
| flags |= SRC2_IMM; |
| src2_r = src2w; |
| } |
| else if ((flags & CUMULATIVE_OP) && src1 == SLJIT_IMM && src1w != 0 && 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; |
| flags |= REG1_SOURCE; |
| } |
| else if (src1 == SLJIT_IMM) { |
| if (src1w) { |
| FAIL_IF(load_immediate(compiler, TMP_REG1, src1w, TMP_REG3)); |
| src1_r = TMP_REG1; |
| } |
| else |
| src1_r = TMP_ZERO; |
| } |
| 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 | MOVE_OP)) == MOVE_OP) |
| dst_r = (sljit_s32)src2_r; |
| } |
| else if (src2 == SLJIT_IMM) { |
| if (!(flags & SRC2_IMM)) { |
| if (src2w) { |
| FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w, TMP_REG3)); |
| src2_r = sugg_src2_r; |
| } |
| else { |
| src2_r = TMP_ZERO; |
| if (flags & MOVE_OP) { |
| if (dst & SLJIT_MEM) |
| dst_r = 0; |
| else |
| op = SLJIT_MOV; |
| } |
| } |
| } |
| } |
| 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_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op) |
| { |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| sljit_ins word = (sljit_ins)(op & SLJIT_32) >> 5; |
| |
| SLJIT_ASSERT(word == 0 || word == 0x8); |
| #endif /* SLJIT_CONFIG_RISCV_64 */ |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op0(compiler, op)); |
| |
| switch (GET_OPCODE(op)) { |
| case SLJIT_BREAKPOINT: |
| return push_inst(compiler, EBREAK); |
| case SLJIT_NOP: |
| return push_inst(compiler, ADDI | RD(TMP_ZERO) | RS1(TMP_ZERO) | IMM_I(0)); |
| case SLJIT_LMUL_UW: |
| FAIL_IF(push_inst(compiler, ADDI | RD(TMP_REG1) | RS1(SLJIT_R1) | IMM_I(0))); |
| FAIL_IF(push_inst(compiler, MULHU | RD(SLJIT_R1) | RS1(SLJIT_R0) | RS2(SLJIT_R1))); |
| return push_inst(compiler, MUL | RD(SLJIT_R0) | RS1(SLJIT_R0) | RS2(TMP_REG1)); |
| case SLJIT_LMUL_SW: |
| FAIL_IF(push_inst(compiler, ADDI | RD(TMP_REG1) | RS1(SLJIT_R1) | IMM_I(0))); |
| FAIL_IF(push_inst(compiler, MULH | RD(SLJIT_R1) | RS1(SLJIT_R0) | RS2(SLJIT_R1))); |
| return push_inst(compiler, MUL | RD(SLJIT_R0) | RS1(SLJIT_R0) | RS2(TMP_REG1)); |
| case SLJIT_DIVMOD_UW: |
| FAIL_IF(push_inst(compiler, ADDI | RD(TMP_REG1) | RS1(SLJIT_R0) | IMM_I(0))); |
| FAIL_IF(push_inst(compiler, DIVU | WORD | RD(SLJIT_R0) | RS1(SLJIT_R0) | RS2(SLJIT_R1))); |
| return push_inst(compiler, REMU | WORD | RD(SLJIT_R1) | RS1(TMP_REG1) | RS2(SLJIT_R1)); |
| case SLJIT_DIVMOD_SW: |
| FAIL_IF(push_inst(compiler, ADDI | RD(TMP_REG1) | RS1(SLJIT_R0) | IMM_I(0))); |
| FAIL_IF(push_inst(compiler, DIV | WORD | RD(SLJIT_R0) | RS1(SLJIT_R0) | RS2(SLJIT_R1))); |
| return push_inst(compiler, REM | WORD | RD(SLJIT_R1) | RS1(TMP_REG1) | RS2(SLJIT_R1)); |
| case SLJIT_DIV_UW: |
| return push_inst(compiler, DIVU | WORD | RD(SLJIT_R0) | RS1(SLJIT_R0) | RS2(SLJIT_R1)); |
| case SLJIT_DIV_SW: |
| return push_inst(compiler, DIV | WORD | RD(SLJIT_R0) | RS1(SLJIT_R0) | RS2(SLJIT_R1)); |
| case SLJIT_ENDBR: |
| case SLJIT_SKIP_FRAMES_BEFORE_RETURN: |
| return SLJIT_SUCCESS; |
| } |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| 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 = 0; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| ADJUST_LOCAL_OFFSET(src, srcw); |
| |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| if (op & SLJIT_32) |
| flags = INT_DATA | SIGNED_DATA; |
| #endif |
| |
| switch (GET_OPCODE(op)) { |
| case SLJIT_MOV: |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| case SLJIT_MOV_U32: |
| case SLJIT_MOV_S32: |
| case SLJIT_MOV32: |
| #endif |
| case SLJIT_MOV_P: |
| return emit_op(compiler, SLJIT_MOV, WORD_DATA | MOVE_OP, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| case SLJIT_MOV_U32: |
| return emit_op(compiler, SLJIT_MOV_U32, INT_DATA | MOVE_OP, dst, dstw, TMP_REG1, 0, src, (src == SLJIT_IMM) ? (sljit_u32)srcw : srcw); |
| |
| case SLJIT_MOV_S32: |
| /* Logical operators have no W variant, so sign extended input is necessary for them. */ |
| case SLJIT_MOV32: |
| return emit_op(compiler, SLJIT_MOV_S32, INT_DATA | SIGNED_DATA | MOVE_OP, dst, dstw, TMP_REG1, 0, src, (src == SLJIT_IMM) ? (sljit_s32)srcw : srcw); |
| #endif |
| |
| case SLJIT_MOV_U8: |
| return emit_op(compiler, op, BYTE_DATA | MOVE_OP, dst, dstw, TMP_REG1, 0, src, (src == SLJIT_IMM) ? (sljit_u8)srcw : srcw); |
| |
| case SLJIT_MOV_S8: |
| return emit_op(compiler, op, BYTE_DATA | SIGNED_DATA | MOVE_OP, dst, dstw, TMP_REG1, 0, src, (src == SLJIT_IMM) ? (sljit_s8)srcw : srcw); |
| |
| case SLJIT_MOV_U16: |
| return emit_op(compiler, op, HALF_DATA | MOVE_OP, dst, dstw, TMP_REG1, 0, src, (src == SLJIT_IMM) ? (sljit_u16)srcw : srcw); |
| |
| case SLJIT_MOV_S16: |
| return emit_op(compiler, op, HALF_DATA | SIGNED_DATA | MOVE_OP, dst, dstw, TMP_REG1, 0, src, (src == SLJIT_IMM) ? (sljit_s16)srcw : srcw); |
| |
| case SLJIT_CLZ: |
| case SLJIT_CTZ: |
| case SLJIT_REV: |
| return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| case SLJIT_REV_U16: |
| case SLJIT_REV_S16: |
| return emit_op(compiler, op, HALF_DATA, dst, dstw, TMP_REG1, 0, src, srcw); |
| |
| case SLJIT_REV_U32: |
| case SLJIT_REV_S32: |
| return emit_op(compiler, op | SLJIT_32, INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw); |
| } |
| |
| SLJIT_UNREACHABLE(); |
| return SLJIT_SUCCESS; |
| } |
| |
| 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 = 0; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op2(compiler, op, 0, dst, dstw, src1, src1w, src2, src2w)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| ADJUST_LOCAL_OFFSET(src1, src1w); |
| ADJUST_LOCAL_OFFSET(src2, src2w); |
| |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| if (op & SLJIT_32) { |
| flags |= INT_DATA | SIGNED_DATA; |
| if (src1 == SLJIT_IMM) |
| src1w = (sljit_s32)src1w; |
| if (src2 == SLJIT_IMM) |
| src2w = (sljit_s32)src2w; |
| } |
| #endif |
| |
| switch (GET_OPCODE(op)) { |
| case SLJIT_ADD: |
| case SLJIT_ADDC: |
| compiler->status_flags_state = SLJIT_CURRENT_FLAGS_ADD; |
| return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_SUB: |
| case SLJIT_SUBC: |
| compiler->status_flags_state = SLJIT_CURRENT_FLAGS_SUB; |
| return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); |
| |
| case SLJIT_MUL: |
| compiler->status_flags_state = 0; |
| return emit_op(compiler, op, flags | CUMULATIVE_OP, dst, dstw, src1, src1w, src2, src2w); |
| |
| 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_SHL: |
| case SLJIT_MSHL: |
| case SLJIT_LSHR: |
| case SLJIT_MLSHR: |
| case SLJIT_ASHR: |
| case SLJIT_MASHR: |
| case SLJIT_ROTL: |
| case SLJIT_ROTR: |
| if (src2 == SLJIT_IMM) { |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| src2w &= 0x1f; |
| #else /* !SLJIT_CONFIG_RISCV_32 */ |
| if (op & SLJIT_32) |
| src2w &= 0x1f; |
| else |
| src2w &= 0x3f; |
| #endif /* SLJIT_CONFIG_RISCV_32 */ |
| } |
| |
| return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); |
| } |
| |
| SLJIT_UNREACHABLE(); |
| return SLJIT_SUCCESS; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2u(struct sljit_compiler *compiler, sljit_s32 op, |
| sljit_s32 src1, sljit_sw src1w, |
| sljit_s32 src2, sljit_sw src2w) |
| { |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op2(compiler, op, 1, 0, 0, src1, src1w, src2, src2w)); |
| |
| SLJIT_SKIP_CHECKS(compiler); |
| return sljit_emit_op2(compiler, op, 0, 0, src1, src1w, src2, src2w); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_shift_into(struct sljit_compiler *compiler, sljit_s32 op, |
| sljit_s32 dst_reg, |
| sljit_s32 src1_reg, |
| sljit_s32 src2_reg, |
| sljit_s32 src3, sljit_sw src3w) |
| { |
| sljit_s32 is_left; |
| sljit_ins ins1, ins2, ins3; |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| sljit_ins word = (sljit_ins)(op & SLJIT_32) >> 5; |
| sljit_s32 inp_flags = ((op & SLJIT_32) ? INT_DATA : WORD_DATA) | LOAD_DATA; |
| sljit_sw bit_length = (op & SLJIT_32) ? 32 : 64; |
| #else /* !SLJIT_CONFIG_RISCV_64 */ |
| sljit_s32 inp_flags = WORD_DATA | LOAD_DATA; |
| sljit_sw bit_length = 32; |
| #endif /* SLJIT_CONFIG_RISCV_64 */ |
| |
| SLJIT_ASSERT(WORD == 0 || WORD == 0x8); |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_shift_into(compiler, op, dst_reg, src1_reg, src2_reg, src3, src3w)); |
| |
| is_left = (GET_OPCODE(op) == SLJIT_SHL || GET_OPCODE(op) == SLJIT_MSHL); |
| |
| if (src1_reg == src2_reg) { |
| SLJIT_SKIP_CHECKS(compiler); |
| return sljit_emit_op2(compiler, (is_left ? SLJIT_ROTL : SLJIT_ROTR) | (op & SLJIT_32), dst_reg, 0, src1_reg, 0, src3, src3w); |
| } |
| |
| ADJUST_LOCAL_OFFSET(src3, src3w); |
| |
| if (src3 == SLJIT_IMM) { |
| src3w &= bit_length - 1; |
| |
| if (src3w == 0) |
| return SLJIT_SUCCESS; |
| |
| if (is_left) { |
| ins1 = SLLI | WORD | IMM_I(src3w); |
| src3w = bit_length - src3w; |
| ins2 = SRLI | WORD | IMM_I(src3w); |
| } else { |
| ins1 = SRLI | WORD | IMM_I(src3w); |
| src3w = bit_length - src3w; |
| ins2 = SLLI | WORD | IMM_I(src3w); |
| } |
| |
| FAIL_IF(push_inst(compiler, ins1 | RD(dst_reg) | RS1(src1_reg))); |
| FAIL_IF(push_inst(compiler, ins2 | RD(TMP_REG1) | RS1(src2_reg))); |
| return push_inst(compiler, OR | RD(dst_reg) | RS1(dst_reg) | RS2(TMP_REG1)); |
| } |
| |
| if (src3 & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem(compiler, inp_flags, TMP_REG2, src3, src3w)); |
| src3 = TMP_REG2; |
| } else if (dst_reg == src3) { |
| push_inst(compiler, ADDI | WORD | RD(TMP_REG2) | RS1(src3) | IMM_I(0)); |
| src3 = TMP_REG2; |
| } |
| |
| if (is_left) { |
| ins1 = SLL; |
| ins2 = SRLI; |
| ins3 = SRL; |
| } else { |
| ins1 = SRL; |
| ins2 = SLLI; |
| ins3 = SLL; |
| } |
| |
| FAIL_IF(push_inst(compiler, ins1 | WORD | RD(dst_reg) | RS1(src1_reg) | RS2(src3))); |
| |
| if (!(op & SLJIT_SHIFT_INTO_NON_ZERO)) { |
| FAIL_IF(push_inst(compiler, ins2 | WORD | RD(TMP_REG1) | RS1(src2_reg) | IMM_I(1))); |
| FAIL_IF(push_inst(compiler, XORI | RD(TMP_REG2) | RS1(src3) | IMM_I((sljit_ins)bit_length - 1))); |
| src2_reg = TMP_REG1; |
| } else |
| FAIL_IF(push_inst(compiler, SUB | WORD | RD(TMP_REG2) | RS1(TMP_ZERO) | RS2(src3))); |
| |
| FAIL_IF(push_inst(compiler, ins3 | WORD | RD(TMP_REG1) | RS1(src2_reg) | RS2(TMP_REG2))); |
| return push_inst(compiler, OR | RD(dst_reg) | RS1(dst_reg) | RS2(TMP_REG1)); |
| } |
| |
| 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, ADDI | RD(RETURN_ADDR_REG) | RS1(src) | IMM_I(0))); |
| else |
| FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, RETURN_ADDR_REG, src, srcw)); |
| |
| return push_inst(compiler, JALR | RD(TMP_ZERO) | RS1(RETURN_ADDR_REG) | IMM_I(0)); |
| 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 SLJIT_SUCCESS; |
| } |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_dst(struct sljit_compiler *compiler, sljit_s32 op, |
| sljit_s32 dst, sljit_sw dstw) |
| { |
| sljit_s32 dst_r; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op_dst(compiler, op, dst, dstw)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| |
| switch (op) { |
| case SLJIT_FAST_ENTER: |
| if (FAST_IS_REG(dst)) |
| return push_inst(compiler, ADDI | RD(dst) | RS1(RETURN_ADDR_REG) | IMM_I(0)); |
| |
| SLJIT_ASSERT(RETURN_ADDR_REG == TMP_REG2); |
| break; |
| case SLJIT_GET_RETURN_ADDRESS: |
| dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2; |
| FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, dst_r, SLJIT_MEM1(SLJIT_SP), compiler->local_size - SSIZE_OF(sw))); |
| break; |
| } |
| |
| if (dst & SLJIT_MEM) |
| return emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw); |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 type, sljit_s32 reg) |
| { |
| CHECK_REG_INDEX(check_sljit_get_register_index(type, reg)); |
| |
| if (type == SLJIT_GP_REGISTER) |
| return reg_map[reg]; |
| |
| if (type != SLJIT_FLOAT_REGISTER) |
| return -1; |
| |
| return freg_map[reg]; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler, |
| void *instruction, sljit_u32 size) |
| { |
| SLJIT_UNUSED_ARG(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_32) >> 7)) |
| #define FMT(op) ((sljit_ins)((op & SLJIT_32) ^ SLJIT_32) << 17) |
| |
| 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 (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| # define flags (sljit_u32)0 |
| #else |
| sljit_u32 flags = ((sljit_u32)(GET_OPCODE(op) == SLJIT_CONV_SW_FROM_F64)) << 21; |
| #endif |
| sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2; |
| |
| if (src & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); |
| src = TMP_FREG1; |
| } |
| |
| FAIL_IF(push_inst(compiler, FCVT_W_S | FMT(op) | flags | RD(dst_r) | FRS1(src))); |
| |
| /* Store the integer value from a VFP register. */ |
| if (dst & SLJIT_MEM) { |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| return emit_op_mem2(compiler, WORD_DATA, TMP_REG2, dst, dstw, 0, 0); |
| #else |
| return emit_op_mem2(compiler, flags ? WORD_DATA : INT_DATA, TMP_REG2, dst, dstw, 0, 0); |
| #endif |
| } |
| return SLJIT_SUCCESS; |
| |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| # undef flags |
| #endif |
| } |
| |
| static sljit_s32 sljit_emit_fop1_conv_f64_from_w(struct sljit_compiler *compiler, sljit_ins ins, |
| sljit_s32 dst, sljit_sw dstw, |
| sljit_s32 src, sljit_sw srcw) |
| { |
| sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; |
| |
| if (src & SLJIT_MEM) { |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw)); |
| #else /* SLJIT_CONFIG_RISCV_32 */ |
| FAIL_IF(emit_op_mem2(compiler, ((ins & (1 << 21)) ? WORD_DATA : INT_DATA) | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw)); |
| #endif /* !SLJIT_CONFIG_RISCV_32 */ |
| src = TMP_REG1; |
| } else if (src == SLJIT_IMM) { |
| FAIL_IF(load_immediate(compiler, TMP_REG1, srcw, TMP_REG3)); |
| src = TMP_REG1; |
| } |
| |
| FAIL_IF(push_inst(compiler, ins | FRD(dst_r) | RS1(src))); |
| |
| if (dst & SLJIT_MEM) |
| return emit_op_mem2(compiler, DOUBLE_DATA | ((sljit_s32)(~ins >> 24) & 0x2), TMP_FREG1, dst, dstw, 0, 0); |
| return SLJIT_SUCCESS; |
| } |
| |
| 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) |
| { |
| sljit_ins ins = FCVT_S_W | FMT(op); |
| |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| if (op & SLJIT_32) |
| ins |= F3(0x7); |
| #else /* !SLJIT_CONFIG_RISCV_32 */ |
| if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_SW) |
| ins |= (1 << 21); |
| else if (src == SLJIT_IMM) |
| srcw = (sljit_s32)srcw; |
| |
| if (op != SLJIT_CONV_F64_FROM_S32) |
| ins |= F3(0x7); |
| #endif /* SLJIT_CONFIG_RISCV_32 */ |
| |
| return sljit_emit_fop1_conv_f64_from_w(compiler, ins, dst, dstw, src, srcw); |
| } |
| |
| static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_uw(struct sljit_compiler *compiler, sljit_s32 op, |
| sljit_s32 dst, sljit_sw dstw, |
| sljit_s32 src, sljit_sw srcw) |
| { |
| sljit_ins ins = FCVT_S_WU | FMT(op); |
| |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| if (op & SLJIT_32) |
| ins |= F3(0x7); |
| #else /* !SLJIT_CONFIG_RISCV_32 */ |
| if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_UW) |
| ins |= (1 << 21); |
| else if (src == SLJIT_IMM) |
| srcw = (sljit_u32)srcw; |
| |
| if (op != SLJIT_CONV_F64_FROM_S32) |
| ins |= F3(0x7); |
| #endif /* SLJIT_CONFIG_RISCV_32 */ |
| |
| return sljit_emit_fop1_conv_f64_from_w(compiler, ins, dst, dstw, src, srcw); |
| } |
| |
| 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) |
| { |
| sljit_ins inst; |
| |
| if (src1 & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); |
| src1 = TMP_FREG1; |
| } |
| |
| if (src2 & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0)); |
| src2 = TMP_FREG2; |
| } |
| |
| switch (GET_FLAG_TYPE(op)) { |
| case SLJIT_F_EQUAL: |
| case SLJIT_ORDERED_EQUAL: |
| inst = FEQ_S | FMT(op) | RD(OTHER_FLAG) | FRS1(src1) | FRS2(src2); |
| break; |
| case SLJIT_F_LESS: |
| case SLJIT_ORDERED_LESS: |
| inst = FLT_S | FMT(op) | RD(OTHER_FLAG) | FRS1(src1) | FRS2(src2); |
| break; |
| case SLJIT_ORDERED_GREATER: |
| inst = FLT_S | FMT(op) | RD(OTHER_FLAG) | FRS1(src2) | FRS2(src1); |
| break; |
| case SLJIT_F_GREATER: |
| case SLJIT_UNORDERED_OR_GREATER: |
| inst = FLE_S | FMT(op) | RD(OTHER_FLAG) | FRS1(src1) | FRS2(src2); |
| break; |
| case SLJIT_UNORDERED_OR_LESS: |
| inst = FLE_S | FMT(op) | RD(OTHER_FLAG) | FRS1(src2) | FRS2(src1); |
| break; |
| case SLJIT_UNORDERED_OR_EQUAL: |
| FAIL_IF(push_inst(compiler, FLT_S | FMT(op) | RD(OTHER_FLAG) | FRS1(src1) | FRS2(src2))); |
| FAIL_IF(push_inst(compiler, FLT_S | FMT(op) | RD(TMP_REG1) | FRS1(src2) | FRS2(src1))); |
| inst = OR | RD(OTHER_FLAG) | RS1(OTHER_FLAG) | RS2(TMP_REG1); |
| break; |
| default: /* SLJIT_UNORDERED */ |
| if (src1 == src2) { |
| inst = FEQ_S | FMT(op) | RD(OTHER_FLAG) | FRS1(src1) | FRS2(src1); |
| break; |
| } |
| FAIL_IF(push_inst(compiler, FEQ_S | FMT(op) | RD(OTHER_FLAG) | FRS1(src1) | FRS2(src1))); |
| FAIL_IF(push_inst(compiler, FEQ_S | FMT(op) | RD(TMP_REG1) | FRS1(src2) | FRS2(src2))); |
| inst = AND | RD(OTHER_FLAG) | RS1(OTHER_FLAG) | RS2(TMP_REG1); |
| break; |
| } |
| |
| return push_inst(compiler, inst); |
| } |
| |
| 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(); |
| compiler->cache_arg = 0; |
| compiler->cache_argw = 0; |
| |
| SLJIT_COMPILE_ASSERT((SLJIT_32 == 0x100) && !(DOUBLE_DATA & 0x2), 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_32; |
| |
| dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; |
| |
| if (src & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw)); |
| src = dst_r; |
| } |
| |
| switch (GET_OPCODE(op)) { |
| case SLJIT_MOV_F64: |
| if (src != dst_r) { |
| if (dst_r != TMP_FREG1) |
| FAIL_IF(push_inst(compiler, FSGNJ_S | FMT(op) | FRD(dst_r) | FRS1(src) | FRS2(src))); |
| else |
| dst_r = src; |
| } |
| break; |
| case SLJIT_NEG_F64: |
| FAIL_IF(push_inst(compiler, FSGNJN_S | FMT(op) | FRD(dst_r) | FRS1(src) | FRS2(src))); |
| break; |
| case SLJIT_ABS_F64: |
| FAIL_IF(push_inst(compiler, FSGNJX_S | FMT(op) | FRD(dst_r) | FRS1(src) | FRS2(src))); |
| break; |
| case SLJIT_CONV_F64_FROM_F32: |
| /* The SLJIT_32 bit is inverted because sljit_f32 needs to be loaded from the memory. */ |
| FAIL_IF(push_inst(compiler, FCVT_S_D | ((op & SLJIT_32) ? (1 << 25) : ((1 << 20) | F3(7))) | FRD(dst_r) | FRS1(src))); |
| op ^= SLJIT_32; |
| break; |
| } |
| |
| if (dst & SLJIT_MEM) |
| return emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0); |
| 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, flags = 0; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| ADJUST_LOCAL_OFFSET(src1, src1w); |
| ADJUST_LOCAL_OFFSET(src2, src2w); |
| |
| compiler->cache_arg = 0; |
| compiler->cache_argw = 0; |
| |
| dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG2; |
| |
| if (src1 & SLJIT_MEM) { |
| if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) { |
| FAIL_IF(compiler->error); |
| src1 = TMP_FREG1; |
| } else |
| flags |= SLOW_SRC1; |
| } |
| |
| 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; |
| } |
| |
| 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_ADD_F64: |
| FAIL_IF(push_inst(compiler, FADD_S | FMT(op) | FRD(dst_r) | FRS1(src1) | FRS2(src2))); |
| break; |
| |
| case SLJIT_SUB_F64: |
| FAIL_IF(push_inst(compiler, FSUB_S | FMT(op) | FRD(dst_r) | FRS1(src1) | FRS2(src2))); |
| break; |
| |
| case SLJIT_MUL_F64: |
| FAIL_IF(push_inst(compiler, FMUL_S | FMT(op) | FRD(dst_r) | FRS1(src1) | FRS2(src2))); |
| break; |
| |
| case SLJIT_DIV_F64: |
| FAIL_IF(push_inst(compiler, FDIV_S | FMT(op) | FRD(dst_r) | FRS1(src1) | FRS2(src2))); |
| break; |
| |
| case SLJIT_COPYSIGN_F64: |
| return push_inst(compiler, FSGNJ_S | FMT(op) | FRD(dst_r) | FRS1(src1) | FRS2(src2)); |
| } |
| |
| if (dst_r == TMP_FREG2) |
| FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0)); |
| |
| return SLJIT_SUCCESS; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fset32(struct sljit_compiler *compiler, |
| sljit_s32 freg, sljit_f32 value) |
| { |
| union { |
| sljit_s32 imm; |
| sljit_f32 value; |
| } u; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_fset32(compiler, freg, value)); |
| |
| u.value = value; |
| |
| if (u.imm == 0) |
| return push_inst(compiler, FMV_W_X | RS1(TMP_ZERO) | FRD(freg)); |
| |
| FAIL_IF(load_immediate(compiler, TMP_REG1, u.imm, TMP_REG3)); |
| return push_inst(compiler, FMV_W_X | RS1(TMP_REG1) | FRD(freg)); |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* 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; |
| } |
| |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| #define BRANCH_LENGTH ((sljit_ins)(3 * sizeof(sljit_ins)) << 7) |
| #else |
| #define BRANCH_LENGTH ((sljit_ins)(7 * sizeof(sljit_ins)) << 7) |
| #endif |
| |
| static sljit_ins get_jump_instruction(sljit_s32 type) |
| { |
| switch (type) { |
| case SLJIT_EQUAL: |
| return BNE | RS1(EQUAL_FLAG) | RS2(TMP_ZERO); |
| case SLJIT_NOT_EQUAL: |
| return BEQ | RS1(EQUAL_FLAG) | RS2(TMP_ZERO); |
| case SLJIT_LESS: |
| case SLJIT_GREATER: |
| case SLJIT_SIG_LESS: |
| case SLJIT_SIG_GREATER: |
| case SLJIT_OVERFLOW: |
| case SLJIT_CARRY: |
| case SLJIT_F_EQUAL: |
| case SLJIT_ORDERED_EQUAL: |
| case SLJIT_ORDERED_NOT_EQUAL: |
| case SLJIT_F_LESS: |
| case SLJIT_ORDERED_LESS: |
| case SLJIT_ORDERED_GREATER: |
| case SLJIT_F_LESS_EQUAL: |
| case SLJIT_ORDERED_LESS_EQUAL: |
| case SLJIT_ORDERED_GREATER_EQUAL: |
| case SLJIT_ORDERED: |
| return BEQ | RS1(OTHER_FLAG) | RS2(TMP_ZERO); |
| break; |
| case SLJIT_GREATER_EQUAL: |
| case SLJIT_LESS_EQUAL: |
| case SLJIT_SIG_GREATER_EQUAL: |
| case SLJIT_SIG_LESS_EQUAL: |
| case SLJIT_NOT_OVERFLOW: |
| case SLJIT_NOT_CARRY: |
| case SLJIT_F_NOT_EQUAL: |
| case SLJIT_UNORDERED_OR_NOT_EQUAL: |
| case SLJIT_UNORDERED_OR_EQUAL: |
| case SLJIT_F_GREATER_EQUAL: |
| case SLJIT_UNORDERED_OR_GREATER_EQUAL: |
| case SLJIT_UNORDERED_OR_LESS_EQUAL: |
| case SLJIT_F_GREATER: |
| case SLJIT_UNORDERED_OR_GREATER: |
| case SLJIT_UNORDERED_OR_LESS: |
| case SLJIT_UNORDERED: |
| return BNE | RS1(OTHER_FLAG) | RS2(TMP_ZERO); |
| default: |
| /* Not conditional branch. */ |
| return 0; |
| } |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type) |
| { |
| struct sljit_jump *jump; |
| sljit_ins inst; |
| |
| 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; |
| |
| inst = get_jump_instruction(type); |
| |
| if (inst != 0) { |
| PTR_FAIL_IF(push_inst(compiler, inst | BRANCH_LENGTH)); |
| jump->flags |= IS_COND; |
| } |
| |
| jump->addr = compiler->size; |
| inst = JALR | RS1(TMP_REG1) | IMM_I(0); |
| |
| if (type >= SLJIT_FAST_CALL) { |
| jump->flags |= IS_CALL; |
| inst |= RD(RETURN_ADDR_REG); |
| } |
| |
| PTR_FAIL_IF(push_inst(compiler, inst)); |
| |
| /* Maximum number of instructions required for generating a constant. */ |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| compiler->size += 1; |
| #else |
| compiler->size += 5; |
| #endif |
| return jump; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type, |
| sljit_s32 arg_types) |
| { |
| SLJIT_UNUSED_ARG(arg_types); |
| CHECK_ERROR_PTR(); |
| CHECK_PTR(check_sljit_emit_call(compiler, type, arg_types)); |
| |
| if (type & SLJIT_CALL_RETURN) { |
| PTR_FAIL_IF(emit_stack_frame_release(compiler, 0)); |
| type = SLJIT_JUMP | (type & SLJIT_REWRITABLE_JUMP); |
| } |
| |
| SLJIT_SKIP_CHECKS(compiler); |
| return sljit_emit_jump(compiler, type); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type, |
| sljit_s32 src1, sljit_sw src1w, |
| sljit_s32 src2, sljit_sw src2w) |
| { |
| struct sljit_jump *jump; |
| sljit_s32 flags; |
| sljit_ins inst; |
| |
| CHECK_ERROR_PTR(); |
| CHECK_PTR(check_sljit_emit_cmp(compiler, type, src1, src1w, src2, src2w)); |
| ADJUST_LOCAL_OFFSET(src1, src1w); |
| ADJUST_LOCAL_OFFSET(src2, src2w); |
| |
| compiler->cache_arg = 0; |
| compiler->cache_argw = 0; |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| flags = WORD_DATA | LOAD_DATA; |
| #else /* !SLJIT_CONFIG_RISCV_32 */ |
| flags = ((type & SLJIT_32) ? INT_DATA : WORD_DATA) | LOAD_DATA; |
| #endif /* SLJIT_CONFIG_RISCV_32 */ |
| |
| if (src1 & SLJIT_MEM) { |
| PTR_FAIL_IF(emit_op_mem2(compiler, flags, TMP_REG1, src1, src1w, src2, src2w)); |
| src1 = TMP_REG1; |
| } |
| |
| if (src2 & SLJIT_MEM) { |
| PTR_FAIL_IF(emit_op_mem2(compiler, flags, TMP_REG2, src2, src2w, 0, 0)); |
| src2 = TMP_REG2; |
| } |
| |
| if (src1 == SLJIT_IMM) { |
| if (src1w != 0) { |
| PTR_FAIL_IF(load_immediate(compiler, TMP_REG1, src1w, TMP_REG3)); |
| src1 = TMP_REG1; |
| } |
| else |
| src1 = TMP_ZERO; |
| } |
| |
| if (src2 == SLJIT_IMM) { |
| if (src2w != 0) { |
| PTR_FAIL_IF(load_immediate(compiler, TMP_REG2, src2w, TMP_REG3)); |
| src2 = TMP_REG2; |
| } |
| else |
| src2 = TMP_ZERO; |
| } |
| |
| jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); |
| PTR_FAIL_IF(!jump); |
| set_jump(jump, compiler, (sljit_u32)((type & SLJIT_REWRITABLE_JUMP) | IS_COND)); |
| type &= 0xff; |
| |
| switch (type) { |
| case SLJIT_EQUAL: |
| inst = BNE | RS1(src1) | RS2(src2) | BRANCH_LENGTH; |
| break; |
| case SLJIT_NOT_EQUAL: |
| inst = BEQ | RS1(src1) | RS2(src2) | BRANCH_LENGTH; |
| break; |
| case SLJIT_LESS: |
| inst = BGEU | RS1(src1) | RS2(src2) | BRANCH_LENGTH; |
| break; |
| case SLJIT_GREATER_EQUAL: |
| inst = BLTU | RS1(src1) | RS2(src2) | BRANCH_LENGTH; |
| break; |
| case SLJIT_GREATER: |
| inst = BGEU | RS1(src2) | RS2(src1) | BRANCH_LENGTH; |
| break; |
| case SLJIT_LESS_EQUAL: |
| inst = BLTU | RS1(src2) | RS2(src1) | BRANCH_LENGTH; |
| break; |
| case SLJIT_SIG_LESS: |
| inst = BGE | RS1(src1) | RS2(src2) | BRANCH_LENGTH; |
| break; |
| case SLJIT_SIG_GREATER_EQUAL: |
| inst = BLT | RS1(src1) | RS2(src2) | BRANCH_LENGTH; |
| break; |
| case SLJIT_SIG_GREATER: |
| inst = BGE | RS1(src2) | RS2(src1) | BRANCH_LENGTH; |
| break; |
| case SLJIT_SIG_LESS_EQUAL: |
| inst = BLT | RS1(src2) | RS2(src1) | BRANCH_LENGTH; |
| break; |
| } |
| |
| PTR_FAIL_IF(push_inst(compiler, inst)); |
| |
| jump->addr = compiler->size; |
| PTR_FAIL_IF(push_inst(compiler, JALR | RD(TMP_ZERO) | RS1(TMP_REG1) | IMM_I(0))); |
| |
| /* Maximum number of instructions required for generating a constant. */ |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| compiler->size += 1; |
| #else |
| compiler->size += 5; |
| #endif |
| return jump; |
| } |
| |
| #undef BRANCH_LENGTH |
| |
| 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; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_ijump(compiler, type, src, srcw)); |
| |
| if (src != SLJIT_IMM) { |
| if (src & SLJIT_MEM) { |
| ADJUST_LOCAL_OFFSET(src, srcw); |
| FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw)); |
| src = TMP_REG1; |
| } |
| return push_inst(compiler, JALR | RD((type >= SLJIT_FAST_CALL) ? RETURN_ADDR_REG : TMP_ZERO) | RS1(src) | IMM_I(0)); |
| } |
| |
| /* 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 | ((type >= SLJIT_FAST_CALL) ? IS_CALL : 0)); |
| jump->u.target = (sljit_uw)srcw; |
| |
| jump->addr = compiler->size; |
| FAIL_IF(push_inst(compiler, JALR | RD((type >= SLJIT_FAST_CALL) ? RETURN_ADDR_REG : TMP_ZERO) | RS1(TMP_REG1) | IMM_I(0))); |
| |
| /* Maximum number of instructions required for generating a constant. */ |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| compiler->size += 1; |
| #else |
| compiler->size += 5; |
| #endif |
| return SLJIT_SUCCESS; |
| } |
| |
| 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) |
| { |
| SLJIT_UNUSED_ARG(arg_types); |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw)); |
| |
| if (src & SLJIT_MEM) { |
| ADJUST_LOCAL_OFFSET(src, srcw); |
| FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw)); |
| src = TMP_REG1; |
| } |
| |
| if (type & SLJIT_CALL_RETURN) { |
| if (src >= SLJIT_FIRST_SAVED_REG && src <= (SLJIT_S0 - SLJIT_KEPT_SAVEDS_COUNT(compiler->options))) { |
| FAIL_IF(push_inst(compiler, ADDI | RD(TMP_REG1) | RS1(src) | IMM_I(0))); |
| src = TMP_REG1; |
| } |
| |
| FAIL_IF(emit_stack_frame_release(compiler, 0)); |
| type = SLJIT_JUMP; |
| } |
| |
| SLJIT_SKIP_CHECKS(compiler); |
| 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 src_r, dst_r, invert; |
| sljit_s32 saved_op = op; |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| sljit_s32 mem_type = WORD_DATA; |
| #else |
| sljit_s32 mem_type = ((op & SLJIT_32) || op == SLJIT_MOV32) ? (INT_DATA | SIGNED_DATA) : WORD_DATA; |
| #endif |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type)); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
| |
| op = GET_OPCODE(op); |
| dst_r = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2; |
| |
| compiler->cache_arg = 0; |
| compiler->cache_argw = 0; |
| |
| if (op >= SLJIT_ADD && (dst & SLJIT_MEM)) |
| FAIL_IF(emit_op_mem2(compiler, mem_type | LOAD_DATA, TMP_REG1, dst, dstw, dst, dstw)); |
| |
| if (type < SLJIT_F_EQUAL) { |
| src_r = OTHER_FLAG; |
| invert = type & 0x1; |
| |
| switch (type) { |
| case SLJIT_EQUAL: |
| case SLJIT_NOT_EQUAL: |
| FAIL_IF(push_inst(compiler, SLTUI | RD(dst_r) | RS1(EQUAL_FLAG) | IMM_I(1))); |
| src_r = dst_r; |
| break; |
| case SLJIT_OVERFLOW: |
| case SLJIT_NOT_OVERFLOW: |
| if (compiler->status_flags_state & (SLJIT_CURRENT_FLAGS_ADD | SLJIT_CURRENT_FLAGS_SUB)) { |
| src_r = OTHER_FLAG; |
| break; |
| } |
| FAIL_IF(push_inst(compiler, SLTUI | RD(dst_r) | RS1(OTHER_FLAG) | IMM_I(1))); |
| src_r = dst_r; |
| invert ^= 0x1; |
| break; |
| } |
| } else { |
| invert = 0; |
| src_r = OTHER_FLAG; |
| |
| switch (type) { |
| case SLJIT_F_NOT_EQUAL: |
| case SLJIT_UNORDERED_OR_NOT_EQUAL: |
| case SLJIT_UNORDERED_OR_EQUAL: /* Not supported. */ |
| case SLJIT_F_GREATER_EQUAL: |
| case SLJIT_UNORDERED_OR_GREATER_EQUAL: |
| case SLJIT_UNORDERED_OR_LESS_EQUAL: |
| case SLJIT_F_GREATER: |
| case SLJIT_UNORDERED_OR_GREATER: |
| case SLJIT_UNORDERED_OR_LESS: |
| case SLJIT_UNORDERED: |
| invert = 1; |
| break; |
| } |
| } |
| |
| if (invert) { |
| FAIL_IF(push_inst(compiler, XORI | RD(dst_r) | RS1(src_r) | IMM_I(1))); |
| src_r = dst_r; |
| } |
| |
| if (op < SLJIT_ADD) { |
| if (dst & SLJIT_MEM) |
| return emit_op_mem(compiler, mem_type, src_r, dst, dstw); |
| |
| if (src_r != dst_r) |
| return push_inst(compiler, ADDI | RD(dst_r) | RS1(src_r) | IMM_I(0)); |
| return SLJIT_SUCCESS; |
| } |
| |
| mem_type |= CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE; |
| |
| if (dst & SLJIT_MEM) |
| return emit_op(compiler, saved_op, mem_type, dst, dstw, TMP_REG1, 0, src_r, 0); |
| return emit_op(compiler, saved_op, mem_type, dst, dstw, dst, dstw, src_r, 0); |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_select(struct sljit_compiler *compiler, sljit_s32 type, |
| sljit_s32 dst_reg, |
| sljit_s32 src1, sljit_sw src1w, |
| sljit_s32 src2_reg) |
| { |
| sljit_ins *ptr; |
| sljit_uw size; |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| sljit_ins word = (sljit_ins)(type & SLJIT_32) >> 5; |
| sljit_s32 inp_flags = ((type & SLJIT_32) ? INT_DATA : WORD_DATA) | LOAD_DATA; |
| #else /* !SLJIT_CONFIG_RISCV_64 */ |
| sljit_s32 inp_flags = WORD_DATA | LOAD_DATA; |
| #endif /* SLJIT_CONFIG_RISCV_64 */ |
| |
| SLJIT_ASSERT(WORD == 0 || WORD == 0x8); |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_select(compiler, type, dst_reg, src1, src1w, src2_reg)); |
| |
| ADJUST_LOCAL_OFFSET(src1, src1w); |
| |
| if (dst_reg != src2_reg) { |
| if (dst_reg == src1) { |
| src1 = src2_reg; |
| src1w = 0; |
| type ^= 0x1; |
| } else { |
| if (ADDRESSING_DEPENDS_ON(src1, dst_reg)) { |
| FAIL_IF(push_inst(compiler, ADDI | RD(TMP_REG2) | RS1(dst_reg) | IMM_I(0))); |
| |
| if ((src1 & REG_MASK) == dst_reg) |
| src1 = (src1 & ~REG_MASK) | TMP_REG2; |
| |
| if (OFFS_REG(src1) == dst_reg) |
| src1 = (src1 & ~OFFS_REG_MASK) | TO_OFFS_REG(TMP_REG2); |
| } |
| |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(dst_reg) | RS1(src2_reg) | IMM_I(0))); |
| } |
| } |
| |
| size = compiler->size; |
| |
| ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); |
| FAIL_IF(!ptr); |
| compiler->size++; |
| |
| if (src1 & SLJIT_MEM) { |
| FAIL_IF(emit_op_mem(compiler, inp_flags, dst_reg, src1, src1w)); |
| } else if (src1 == SLJIT_IMM) { |
| #if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64) |
| if (word) |
| src1w = (sljit_s32)src1w; |
| #endif /* SLJIT_CONFIG_RISCV_64 */ |
| FAIL_IF(load_immediate(compiler, dst_reg, src1w, TMP_REG1)); |
| } else |
| FAIL_IF(push_inst(compiler, ADDI | WORD | RD(dst_reg) | RS1(src1) | IMM_I(0))); |
| |
| *ptr = get_jump_instruction(type & ~SLJIT_32) | (sljit_ins)((compiler->size - size) << 9); |
| return SLJIT_SUCCESS; |
| } |
| |
| #undef WORD |
| |
| SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fselect(struct sljit_compiler *compiler, sljit_s32 type, |
| sljit_s32 dst_freg, |
| sljit_s32 src1, sljit_sw src1w, |
| sljit_s32 src2_freg) |
| { |
| sljit_ins *ptr; |
| sljit_uw size; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_fselect(compiler, type, dst_freg, src1, src1w, src2_freg)); |
| |
| ADJUST_LOCAL_OFFSET(src1, src1w); |
| |
| if (dst_freg != src2_freg) { |
| if (dst_freg == src1) { |
| src1 = src2_freg; |
| src1w = 0; |
| type ^= 0x1; |
| } else |
| FAIL_IF(push_inst(compiler, FSGNJ_S | FMT(type) | FRD(dst_freg) | FRS1(src2_freg) | FRS2(src2_freg))); |
| } |
| |
| size = compiler->size; |
| |
| ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); |
| FAIL_IF(!ptr); |
| compiler->size++; |
| |
| if (src1 & SLJIT_MEM) |
| FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(type) | LOAD_DATA, dst_freg, src1, src1w)); |
| else |
| FAIL_IF(push_inst(compiler, FSGNJ_S | FMT(type) | FRD(dst_freg) | FRS1(src1) | FRS2(src1))); |
| |
| *ptr = get_jump_instruction(type & ~SLJIT_32) | (sljit_ins)((compiler->size - size) << 9); |
| return SLJIT_SUCCESS; |
| } |
| |
| #undef FLOAT_DATA |
| #undef FMT |
| |
| 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 flags; |
| |
| CHECK_ERROR(); |
| CHECK(check_sljit_emit_mem(compiler, type, reg, mem, memw)); |
| |
| if (!(reg & REG_PAIR_MASK)) |
| return sljit_emit_mem_unaligned(compiler, type, reg, mem, memw); |
| |
| if (SLJIT_UNLIKELY(mem & OFFS_REG_MASK)) { |
| memw &= 0x3; |
| |
| if (SLJIT_UNLIKELY(memw != 0)) { |
| FAIL_IF(push_inst(compiler, SLLI | RD(TMP_REG1) | RS1(OFFS_REG(mem)) | IMM_I(memw))); |
| FAIL_IF(push_inst(compiler, ADD | RD(TMP_REG1) | RS1(TMP_REG1) | RS2(mem & REG_MASK))); |
| } else |
| FAIL_IF(push_inst(compiler, ADD | RD(TMP_REG1) | RS1(mem & REG_MASK) | RS2(OFFS_REG(mem)))); |
| |
| mem = TMP_REG1; |
| memw = 0; |
| } else if (memw > SIMM_MAX - SSIZE_OF(sw) || memw < SIMM_MIN) { |
| if (((memw + 0x800) & 0xfff) <= 0xfff - SSIZE_OF(sw)) { |
| FAIL_IF(load_immediate(compiler, TMP_REG1, TO_ARGW_HI(memw), TMP_REG3)); |
| memw &= 0xfff; |
| } else { |
| FAIL_IF(load_immediate(compiler, TMP_REG1, memw, TMP_REG3)); |
| memw = 0; |
| } |
| |
| if (mem & REG_MASK) |
| FAIL_IF(push_inst(compiler, ADD | RD(TMP_REG1) | RS1(TMP_REG1) | RS2(mem & REG_MASK))); |
| |
| mem = TMP_REG1; |
| } else { |
| mem &= REG_MASK; |
| memw &= 0xfff; |
| } |
| |
| SLJIT_ASSERT((memw >= 0 && memw <= SIMM_MAX - SSIZE_OF(sw)) || (memw > SIMM_MAX && memw <= 0xfff)); |
| |
| if (!(type & SLJIT_MEM_STORE) && mem == REG_PAIR_FIRST(reg)) { |
| FAIL_IF(push_mem_inst(compiler, WORD_DATA | LOAD_DATA, REG_PAIR_SECOND(reg), mem, (memw + SSIZE_OF(sw)) & 0xfff)); |
| return push_mem_inst(compiler, WORD_DATA | LOAD_DATA, REG_PAIR_FIRST(reg), mem, memw); |
| } |
| |
| flags = WORD_DATA | (!(type & SLJIT_MEM_STORE) ? LOAD_DATA : 0); |
| |
| FAIL_IF(push_mem_inst(compiler, flags, REG_PAIR_FIRST(reg), mem, memw)); |
| return push_mem_inst(compiler, flags, REG_PAIR_SECOND(reg), mem, (memw + SSIZE_OF(sw)) & 0xfff); |
| } |
| |
| #undef TO_ARGW_HI |
| |
| 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, ADDI | RD(dst_r))); |
| |
| if (dst & SLJIT_MEM) |
| PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw)); |
| |
| 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; |
| PTR_FAIL_IF(push_inst(compiler, (sljit_ins)dst_r)); |
| #if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32) |
| compiler->size += 1; |
| #else |
| compiler->size += 5; |
| #endif |
| |
| if (dst & SLJIT_MEM) |
| PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw)); |
| |
| return put_label; |
| } |
| |
| SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset) |
| { |
| sljit_set_jump_addr(addr, (sljit_uw)new_constant, executable_offset); |
| } |