2522 lines
79 KiB
C
2522 lines
79 KiB
C
/*
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* Stack-less Just-In-Time compiler
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*
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* Copyright Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are
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* permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void)
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{
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#if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32)
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return "RISC-V-32" SLJIT_CPUINFO;
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#else /* !SLJIT_CONFIG_RISCV_32 */
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return "RISC-V-64" SLJIT_CPUINFO;
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#endif /* SLJIT_CONFIG_RISCV_32 */
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}
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/* Length of an instruction word
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Both for riscv-32 and riscv-64 */
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typedef sljit_u32 sljit_ins;
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#define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2)
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#define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3)
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#define TMP_REG3 (SLJIT_NUMBER_OF_REGISTERS + 4)
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#define TMP_ZERO 0
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/* Flags are kept in volatile registers. */
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#define EQUAL_FLAG (SLJIT_NUMBER_OF_REGISTERS + 5)
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#define RETURN_ADDR_REG TMP_REG2
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#define OTHER_FLAG (SLJIT_NUMBER_OF_REGISTERS + 6)
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#define TMP_FREG1 (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1)
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#define TMP_FREG2 (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 2)
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static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 7] = {
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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
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};
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static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 3] = {
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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,
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};
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/* --------------------------------------------------------------------- */
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/* Instrucion forms */
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/* --------------------------------------------------------------------- */
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#define RD(rd) ((sljit_ins)reg_map[rd] << 7)
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#define RS1(rs1) ((sljit_ins)reg_map[rs1] << 15)
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#define RS2(rs2) ((sljit_ins)reg_map[rs2] << 20)
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#define FRD(rd) ((sljit_ins)freg_map[rd] << 7)
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#define FRS1(rs1) ((sljit_ins)freg_map[rs1] << 15)
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#define FRS2(rs2) ((sljit_ins)freg_map[rs2] << 20)
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#define IMM_I(imm) ((sljit_ins)(imm) << 20)
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#define IMM_S(imm) ((((sljit_ins)(imm) & 0xfe0) << 20) | (((sljit_ins)(imm) & 0x1f) << 7))
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/* Represents funct(i) parts of the instructions. */
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#define OPC(o) ((sljit_ins)(o))
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#define F3(f) ((sljit_ins)(f) << 12)
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#define F12(f) ((sljit_ins)(f) << 20)
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#define F7(f) ((sljit_ins)(f) << 25)
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#define ADD (F7(0x0) | F3(0x0) | OPC(0x33))
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#define ADDI (F3(0x0) | OPC(0x13))
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#define AND (F7(0x0) | F3(0x7) | OPC(0x33))
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#define ANDI (F3(0x7) | OPC(0x13))
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#define AUIPC (OPC(0x17))
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#define BEQ (F3(0x0) | OPC(0x63))
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#define BNE (F3(0x1) | OPC(0x63))
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#define BLT (F3(0x4) | OPC(0x63))
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#define BGE (F3(0x5) | OPC(0x63))
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#define BLTU (F3(0x6) | OPC(0x63))
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#define BGEU (F3(0x7) | OPC(0x63))
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#define DIV (F7(0x1) | F3(0x4) | OPC(0x33))
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#define DIVU (F7(0x1) | F3(0x5) | OPC(0x33))
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#define EBREAK (F12(0x1) | F3(0x0) | OPC(0x73))
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#define FADD_S (F7(0x0) | F3(0x7) | OPC(0x53))
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#define FDIV_S (F7(0xc) | F3(0x7) | OPC(0x53))
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#define FEQ_S (F7(0x50) | F3(0x2) | OPC(0x53))
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#define FLD (F3(0x3) | OPC(0x7))
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#define FLE_S (F7(0x50) | F3(0x0) | OPC(0x53))
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#define FLT_S (F7(0x50) | F3(0x1) | OPC(0x53))
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#define FSD (F3(0x3) | OPC(0x27))
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/* These conversion opcodes are partly defined. */
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#define FCVT_S_D (F7(0x20) | OPC(0x53))
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#define FCVT_S_W (F7(0x68) | OPC(0x53))
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#define FCVT_W_S (F7(0x60) | F3(0x1) | OPC(0x53))
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#define FMUL_S (F7(0x8) | F3(0x7) | OPC(0x53))
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#define FSGNJ_S (F7(0x10) | F3(0x0) | OPC(0x53))
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#define FSGNJN_S (F7(0x10) | F3(0x1) | OPC(0x53))
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#define FSGNJX_S (F7(0x10) | F3(0x2) | OPC(0x53))
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#define FSUB_S (F7(0x4) | F3(0x7) | OPC(0x53))
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#define JAL (OPC(0x6f))
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#define JALR (F3(0x0) | OPC(0x67))
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#define LD (F3(0x3) | OPC(0x3))
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#define LUI (OPC(0x37))
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#define LW (F3(0x2) | OPC(0x3))
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#define MUL (F7(0x1) | F3(0x0) | OPC(0x33))
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#define MULH (F7(0x1) | F3(0x1) | OPC(0x33))
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#define MULHU (F7(0x1) | F3(0x3) | OPC(0x33))
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#define OR (F7(0x0) | F3(0x6) | OPC(0x33))
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#define ORI (F3(0x6) | OPC(0x13))
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#define REM (F7(0x1) | F3(0x6) | OPC(0x33))
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#define REMU (F7(0x1) | F3(0x7) | OPC(0x33))
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#define SD (F3(0x3) | OPC(0x23))
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#define SLL (F7(0x0) | F3(0x1) | OPC(0x33))
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#define SLLI (IMM_I(0x0) | F3(0x1) | OPC(0x13))
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#define SLT (F7(0x0) | F3(0x2) | OPC(0x33))
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#define SLTI (F3(0x2) | OPC(0x13))
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#define SLTU (F7(0x0) | F3(0x3) | OPC(0x33))
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#define SLTUI (F3(0x3) | OPC(0x13))
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#define SRL (F7(0x0) | F3(0x5) | OPC(0x33))
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#define SRLI (IMM_I(0x0) | F3(0x5) | OPC(0x13))
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#define SRA (F7(0x20) | F3(0x5) | OPC(0x33))
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#define SRAI (IMM_I(0x400) | F3(0x5) | OPC(0x13))
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#define SUB (F7(0x20) | F3(0x0) | OPC(0x33))
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#define SW (F3(0x2) | OPC(0x23))
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#define XOR (F7(0x0) | F3(0x4) | OPC(0x33))
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#define XORI (F3(0x4) | OPC(0x13))
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#define SIMM_MAX (0x7ff)
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#define SIMM_MIN (-0x800)
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#define BRANCH_MAX (0xfff)
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#define BRANCH_MIN (-0x1000)
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#define JUMP_MAX (0xfffff)
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#define JUMP_MIN (-0x100000)
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#if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64)
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#define S32_MAX (0x7ffff7ffl)
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#define S32_MIN (-0x80000000l)
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#define S44_MAX (0x7fffffff7ffl)
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#define S52_MAX (0x7ffffffffffffl)
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#endif
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static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins)
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{
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sljit_ins *ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
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FAIL_IF(!ptr);
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*ptr = ins;
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compiler->size++;
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return SLJIT_SUCCESS;
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}
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static sljit_s32 push_imm_s_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_sw imm)
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{
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return push_inst(compiler, ins | IMM_S(imm));
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}
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static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code, sljit_sw executable_offset)
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{
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sljit_sw diff;
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sljit_uw target_addr;
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sljit_ins *inst;
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inst = (sljit_ins *)jump->addr;
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if (jump->flags & SLJIT_REWRITABLE_JUMP)
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goto exit;
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if (jump->flags & JUMP_ADDR)
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target_addr = jump->u.target;
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else {
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SLJIT_ASSERT(jump->flags & JUMP_LABEL);
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target_addr = (sljit_uw)(code + jump->u.label->size) + (sljit_uw)executable_offset;
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}
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diff = (sljit_sw)target_addr - (sljit_sw)inst - executable_offset;
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if (jump->flags & IS_COND) {
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inst--;
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diff += SSIZE_OF(ins);
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if (diff >= BRANCH_MIN && diff <= BRANCH_MAX) {
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jump->flags |= PATCH_B;
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inst[0] = (inst[0] & 0x1fff07f) ^ 0x1000;
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jump->addr = (sljit_uw)inst;
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return inst;
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}
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inst++;
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diff -= SSIZE_OF(ins);
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}
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if (diff >= JUMP_MIN && diff <= JUMP_MAX) {
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if (jump->flags & IS_COND) {
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#if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32)
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inst[-1] -= (sljit_ins)(1 * sizeof(sljit_ins)) << 7;
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#else
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inst[-1] -= (sljit_ins)(5 * sizeof(sljit_ins)) << 7;
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#endif
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}
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jump->flags |= PATCH_J;
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return inst;
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}
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#if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64)
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if (diff >= S32_MIN && diff <= S32_MAX) {
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if (jump->flags & IS_COND)
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inst[-1] -= (sljit_ins)(4 * sizeof(sljit_ins)) << 7;
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jump->flags |= PATCH_REL32;
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inst[1] = inst[0];
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return inst + 1;
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}
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if (target_addr <= (sljit_uw)S32_MAX) {
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if (jump->flags & IS_COND)
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inst[-1] -= (sljit_ins)(4 * sizeof(sljit_ins)) << 7;
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jump->flags |= PATCH_ABS32;
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inst[1] = inst[0];
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return inst + 1;
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}
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if (target_addr <= S44_MAX) {
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if (jump->flags & IS_COND)
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inst[-1] -= (sljit_ins)(2 * sizeof(sljit_ins)) << 7;
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jump->flags |= PATCH_ABS44;
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inst[3] = inst[0];
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return inst + 4;
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}
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if (target_addr <= S52_MAX) {
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if (jump->flags & IS_COND)
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inst[-1] -= (sljit_ins)(1 * sizeof(sljit_ins)) << 7;
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jump->flags |= PATCH_ABS52;
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inst[4] = inst[0];
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return inst + 4;
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}
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#endif
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exit:
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#if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32)
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inst[1] = inst[0];
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return inst + 1;
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#else
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inst[5] = inst[0];
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return inst + 5;
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#endif
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}
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#if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64)
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static SLJIT_INLINE sljit_sw put_label_get_length(struct sljit_put_label *put_label, sljit_uw max_label)
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{
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if (max_label <= (sljit_uw)S32_MAX) {
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put_label->flags = PATCH_ABS32;
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return 1;
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}
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if (max_label <= S44_MAX) {
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put_label->flags = PATCH_ABS44;
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return 3;
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}
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if (max_label <= S52_MAX) {
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put_label->flags = PATCH_ABS52;
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return 4;
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}
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put_label->flags = 0;
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return 5;
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}
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#endif /* SLJIT_CONFIG_RISCV_64 */
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static SLJIT_INLINE void load_addr_to_reg(void *dst, sljit_u32 reg)
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{
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struct sljit_jump *jump = NULL;
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struct sljit_put_label *put_label;
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sljit_uw flags;
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sljit_ins *inst;
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#if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64)
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sljit_sw high;
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#endif
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sljit_uw addr;
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if (reg != 0) {
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jump = (struct sljit_jump*)dst;
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flags = jump->flags;
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inst = (sljit_ins*)jump->addr;
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addr = (flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
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} else {
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put_label = (struct sljit_put_label*)dst;
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#if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64)
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flags = put_label->flags;
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#endif
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inst = (sljit_ins*)put_label->addr;
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addr = put_label->label->addr;
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reg = *inst;
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}
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if ((addr & 0x800) != 0)
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addr += 0x1000;
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#if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32)
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inst[0] = LUI | RD(reg) | (sljit_ins)((sljit_sw)addr & ~0xfff);
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#else /* !SLJIT_CONFIG_RISCV_32 */
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if (flags & PATCH_ABS32) {
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SLJIT_ASSERT(addr <= S32_MAX);
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inst[0] = LUI | RD(reg) | (sljit_ins)((sljit_sw)addr & ~0xfff);
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} else if (flags & PATCH_ABS44) {
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high = (sljit_sw)addr >> 12;
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SLJIT_ASSERT((sljit_uw)high <= 0x7fffffff);
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if (high > S32_MAX) {
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SLJIT_ASSERT((high & 0x800) != 0);
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inst[0] = LUI | RD(reg) | (sljit_ins)0x80000000u;
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inst[1] = XORI | RD(reg) | RS1(reg) | IMM_I(high);
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} else {
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if ((high & 0x800) != 0)
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high += 0x1000;
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inst[0] = LUI | RD(reg) | (sljit_ins)(high & ~0xfff);
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inst[1] = ADDI | RD(reg) | RS1(reg) | IMM_I(high);
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}
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inst[2] = SLLI | RD(reg) | RS1(reg) | IMM_I(12);
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inst += 2;
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} else {
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high = (sljit_sw)addr >> 32;
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if ((addr & 0x80000000l) != 0)
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high = ~high;
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if ((high & 0x800) != 0)
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high += 0x1000;
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if (flags & PATCH_ABS52) {
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SLJIT_ASSERT(addr <= S52_MAX);
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inst[0] = LUI | RD(TMP_REG3) | (sljit_ins)(high << 12);
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} else {
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inst[0] = LUI | RD(TMP_REG3) | (sljit_ins)(high & ~0xfff);
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inst[1] = ADDI | RD(TMP_REG3) | RS1(TMP_REG3) | IMM_I(high);
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inst++;
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}
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inst[1] = LUI | RD(reg) | (sljit_ins)((sljit_sw)addr & ~0xfff);
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inst[2] = SLLI | RD(TMP_REG3) | RS1(TMP_REG3) | IMM_I((flags & PATCH_ABS52) ? 20 : 32);
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inst[3] = XOR | RD(reg) | RS1(reg) | RS2(TMP_REG3);
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inst += 3;
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}
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#endif /* !SLJIT_CONFIG_RISCV_32 */
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if (jump != NULL) {
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SLJIT_ASSERT((inst[1] & 0x707f) == JALR);
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inst[1] = (inst[1] & 0xfffff) | IMM_I(addr);
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} else
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inst[1] = ADDI | RD(reg) | RS1(reg) | IMM_I(addr);
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}
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|
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SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
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{
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struct sljit_memory_fragment *buf;
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sljit_ins *code;
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sljit_ins *code_ptr;
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sljit_ins *buf_ptr;
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sljit_ins *buf_end;
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sljit_uw word_count;
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sljit_uw next_addr;
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sljit_sw executable_offset;
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sljit_uw addr;
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struct sljit_label *label;
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struct sljit_jump *jump;
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struct sljit_const *const_;
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struct sljit_put_label *put_label;
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|
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CHECK_ERROR_PTR();
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CHECK_PTR(check_sljit_generate_code(compiler));
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reverse_buf(compiler);
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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:
|
|
case SLJIT_HAS_ZERO_REGISTER:
|
|
return 1;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_cmp_info(sljit_s32 type)
|
|
{
|
|
return (type >= SLJIT_ORDERED_EQUAL && type <= SLJIT_ORDERED_LESS_EQUAL);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
/* 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)
|
|
|
|
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, sizeof(sljit_f64));
|
|
}
|
|
#else
|
|
local_size += GET_SAVED_FLOAT_REGISTERS_SIZE(fscratches, fsaveds, sizeof(sljit_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, sizeof(sljit_f64));
|
|
}
|
|
#else
|
|
local_size += GET_SAVED_FLOAT_REGISTERS_SIZE(fscratches, fsaveds, sizeof(sljit_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 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);
|
|
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));
|
|
return push_inst(compiler, JALR | RD(TMP_ZERO) | RS1(RETURN_ADDR_REG) | IMM_I(0));
|
|
}
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
/* 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))
|
|
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(base) | RS2(tmp_r)));
|
|
}
|
|
else
|
|
FAIL_IF(push_inst(compiler, ADD | RD(tmp_r) | RS1(base) | RS2(OFFS_REG(arg))));
|
|
return push_mem_inst(compiler, flags, reg, tmp_r, 0);
|
|
}
|
|
|
|
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(base) | RS2(tmp_r)));
|
|
|
|
return push_mem_inst(compiler, flags, reg, tmp_r, argw & 0xfff);
|
|
}
|
|
|
|
#undef TO_ARGW_HI
|
|
|
|
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 IMM_EXTEND(v) (IMM_I(v))
|
|
#else /* !SLJIT_CONFIG_RISCV_32 */
|
|
#define WORD word
|
|
#define IMM_EXTEND(v) (IMM_I((op & SLJIT_32) ? (v) : (32 + (v))))
|
|
#endif /* SLJIT_CONFIG_RISCV_32 */
|
|
|
|
#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(op_imm, op_reg) \
|
|
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)) \
|
|
FAIL_IF(push_inst(compiler, op_imm | WORD | RD(dst) | RS1(src1) | IMM_I(src2))); \
|
|
} \
|
|
else { \
|
|
if (op & SLJIT_SET_Z) \
|
|
FAIL_IF(push_inst(compiler, op_reg | WORD | RD(EQUAL_FLAG) | RS1(src1) | RS2(src2))); \
|
|
if (!(flags & UNUSED_DEST)) \
|
|
FAIL_IF(push_inst(compiler, op_reg | WORD | RD(dst) | RS1(src1) | RS2(src2))); \
|
|
}
|
|
|
|
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;
|
|
#if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64)
|
|
sljit_ins word = (op & SLJIT_32) >> 5;
|
|
|
|
SLJIT_ASSERT(word == 0 || word == 0x8);
|
|
#endif /* SLJIT_CONFIG_RISCV_64 */
|
|
|
|
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:
|
|
SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
|
|
/* Nearly all instructions are unmovable in the following sequence. */
|
|
#if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32)
|
|
FAIL_IF(push_inst(compiler, ADDI | RD(TMP_REG1) | RS1(src2) | IMM_I(0)));
|
|
FAIL_IF(push_inst(compiler, ADDI | RD(dst) | RS1(TMP_ZERO) | IMM_I(32)));
|
|
#else /* !SLJIT_CONFIG_RISCV_32 */
|
|
if (op & SLJIT_32) {
|
|
FAIL_IF(push_inst(compiler, SLLI | RD(TMP_REG1) | RS1(src2) | IMM_I(32)));
|
|
FAIL_IF(push_inst(compiler, ADDI | RD(dst) | RS1(TMP_ZERO) | IMM_I(32)));
|
|
} else {
|
|
FAIL_IF(push_inst(compiler, ADDI | RD(TMP_REG1) | RS1(src2) | IMM_I(0)));
|
|
FAIL_IF(push_inst(compiler, ADDI | RD(dst) | RS1(TMP_ZERO) | IMM_I(64)));
|
|
}
|
|
#endif /* SLJIT_CONFIG_RISCV_32 */
|
|
/* Check zero. */
|
|
FAIL_IF(push_inst(compiler, BEQ | RS1(TMP_REG1) | RS2(TMP_ZERO) | ((sljit_ins)(6 * SSIZE_OF(ins)) << 7)));
|
|
FAIL_IF(push_inst(compiler, ADDI | RD(dst) | RS1(TMP_ZERO) | IMM_I(0)));
|
|
FAIL_IF(push_inst(compiler, BLT | RS1(TMP_REG1) | RS2(TMP_ZERO) | ((sljit_ins)(4 * SSIZE_OF(ins)) << 7)));
|
|
/* Loop for searching the highest bit. */
|
|
FAIL_IF(push_inst(compiler, ADDI | RD(dst) | RS1(dst) | IMM_I(1)));
|
|
FAIL_IF(push_inst(compiler, SLLI | RD(TMP_REG1) | RS1(TMP_REG1) | IMM_I(1)));
|
|
FAIL_IF(push_inst(compiler, BGE | RS1(TMP_REG1) | RS2(TMP_ZERO) | ((sljit_ins)(0x1fc001d - 1 * SSIZE_OF(ins)) << 7)));
|
|
return SLJIT_SUCCESS;
|
|
|
|
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) == GET_FLAG_TYPE(SLJIT_SET_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) == GET_FLAG_TYPE(SLJIT_SET_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 || GET_FLAG_TYPE(op) == SLJIT_GREATER_EQUAL) {
|
|
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 || GET_FLAG_TYPE(op) == SLJIT_SIG_GREATER_EQUAL) {
|
|
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:
|
|
case SLJIT_GREATER_EQUAL:
|
|
FAIL_IF(push_inst(compiler, SLTU | RD(OTHER_FLAG) | RS1(src1) | RS2(src2)));
|
|
break;
|
|
case SLJIT_GREATER:
|
|
case SLJIT_LESS_EQUAL:
|
|
FAIL_IF(push_inst(compiler, SLTU | RD(OTHER_FLAG) | RS1(src2) | RS2(src1)));
|
|
break;
|
|
case SLJIT_SIG_LESS:
|
|
case SLJIT_SIG_GREATER_EQUAL:
|
|
FAIL_IF(push_inst(compiler, SLT | RD(OTHER_FLAG) | RS1(src1) | RS2(src2)));
|
|
break;
|
|
case SLJIT_SIG_GREATER:
|
|
case SLJIT_SIG_LESS_EQUAL:
|
|
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) == GET_FLAG_TYPE(SLJIT_SET_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) == GET_FLAG_TYPE(SLJIT_SET_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:
|
|
EMIT_SHIFT(SLLI, SLL);
|
|
return SLJIT_SUCCESS;
|
|
|
|
case SLJIT_LSHR:
|
|
EMIT_SHIFT(SRLI, SRL);
|
|
return SLJIT_SUCCESS;
|
|
|
|
case SLJIT_ASHR:
|
|
EMIT_SHIFT(SRAI, SRA);
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
SLJIT_UNREACHABLE();
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
#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 == TMP_REG2) {
|
|
SLJIT_ASSERT(HAS_FLAGS(op));
|
|
flags |= UNUSED_DEST;
|
|
}
|
|
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 = (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;
|
|
}
|
|
|
|
#undef WORD
|
|
|
|
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_NOT:
|
|
return emit_op(compiler, SLJIT_XOR | (op & (SLJIT_32 | SLJIT_SET_Z)), flags, dst, dstw, src, srcw, SLJIT_IMM, -1);
|
|
|
|
case SLJIT_CLZ:
|
|
return emit_op(compiler, op, flags, 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_LSHR:
|
|
case SLJIT_ASHR:
|
|
#if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32)
|
|
if (src2 & SLJIT_IMM)
|
|
src2w &= 0x1f;
|
|
#else
|
|
if (src2 & SLJIT_IMM) {
|
|
if (op & SLJIT_32)
|
|
src2w &= 0x1f;
|
|
else
|
|
src2w &= 0x3f;
|
|
}
|
|
#endif
|
|
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, TMP_REG2, 0, src1, src1w, src2, src2w);
|
|
}
|
|
|
|
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_get_register_index(sljit_s32 reg)
|
|
{
|
|
CHECK_REG_INDEX(check_sljit_get_register_index(reg));
|
|
return reg_map[reg];
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg)
|
|
{
|
|
CHECK_REG_INDEX(check_sljit_get_float_register_index(reg));
|
|
return freg_map[reg];
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
|
|
void *instruction, sljit_u32 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_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 inst;
|
|
#if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64)
|
|
sljit_u32 flags = ((sljit_u32)(GET_OPCODE(op) == SLJIT_CONV_F64_FROM_SW)) << 21;
|
|
#endif
|
|
|
|
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
|
|
FAIL_IF(emit_op_mem2(compiler, (flags ? WORD_DATA : INT_DATA) | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw));
|
|
#endif
|
|
src = TMP_REG1;
|
|
} else if (src & SLJIT_IMM) {
|
|
#if (defined SLJIT_CONFIG_RISCV_64 && SLJIT_CONFIG_RISCV_64)
|
|
if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32)
|
|
srcw = (sljit_s32)srcw;
|
|
#endif
|
|
|
|
FAIL_IF(load_immediate(compiler, TMP_REG1, srcw, TMP_REG3));
|
|
src = TMP_REG1;
|
|
}
|
|
|
|
inst = FCVT_S_W | FMT(op) | FRD(dst_r) | RS1(src);
|
|
|
|
#if (defined SLJIT_CONFIG_RISCV_32 && SLJIT_CONFIG_RISCV_32)
|
|
if (op & SLJIT_32)
|
|
inst |= F3(0x7);
|
|
#else
|
|
inst |= flags;
|
|
|
|
if (op != SLJIT_CONV_F64_FROM_S32)
|
|
inst |= F3(0x7);
|
|
#endif
|
|
|
|
FAIL_IF(push_inst(compiler, inst));
|
|
|
|
if (dst & SLJIT_MEM)
|
|
return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0);
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
static SLJIT_INLINE sljit_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_F_NOT_EQUAL:
|
|
case SLJIT_ORDERED_EQUAL:
|
|
case SLJIT_UNORDERED_OR_NOT_EQUAL:
|
|
inst = FEQ_S | FMT(op) | RD(OTHER_FLAG) | FRS1(src1) | FRS2(src2);
|
|
break;
|
|
case SLJIT_F_LESS:
|
|
case SLJIT_F_GREATER_EQUAL:
|
|
case SLJIT_ORDERED_LESS:
|
|
case SLJIT_UNORDERED_OR_GREATER_EQUAL:
|
|
inst = FLT_S | FMT(op) | RD(OTHER_FLAG) | FRS1(src1) | FRS2(src2);
|
|
break;
|
|
case SLJIT_ORDERED_GREATER:
|
|
case SLJIT_UNORDERED_OR_LESS_EQUAL:
|
|
inst = FLT_S | FMT(op) | RD(OTHER_FLAG) | FRS1(src2) | FRS2(src1);
|
|
break;
|
|
case SLJIT_F_GREATER:
|
|
case SLJIT_F_LESS_EQUAL:
|
|
case SLJIT_UNORDERED_OR_GREATER:
|
|
case SLJIT_ORDERED_LESS_EQUAL:
|
|
inst = FLE_S | FMT(op) | RD(OTHER_FLAG) | FRS1(src1) | FRS2(src2);
|
|
break;
|
|
case SLJIT_UNORDERED_OR_LESS:
|
|
case SLJIT_ORDERED_GREATER_EQUAL:
|
|
inst = FLE_S | FMT(op) | RD(OTHER_FLAG) | FRS1(src2) | FRS2(src1);
|
|
break;
|
|
case SLJIT_UNORDERED_OR_EQUAL: /* Not supported. */
|
|
case SLJIT_ORDERED_NOT_EQUAL: /* Not supported. */
|
|
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, SLJIT_ORDERED */
|
|
FAIL_IF(push_inst(compiler, FADD_S | FMT(op) | FRD(TMP_FREG1) | FRS1(src1) | FRS2(src2)));
|
|
inst = FEQ_S | FMT(op) | RD(OTHER_FLAG) | FRS1(TMP_FREG1) | FRS2(TMP_FREG1);
|
|
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;
|
|
}
|
|
|
|
if (dst_r == TMP_FREG2)
|
|
FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0));
|
|
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
#undef FLOAT_DATA
|
|
#undef FMT
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
/* Other instructions */
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
|
|
{
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
|
|
ADJUST_LOCAL_OFFSET(dst, dstw);
|
|
|
|
if (FAST_IS_REG(dst))
|
|
return push_inst(compiler, ADDI | RD(dst) | RS1(RETURN_ADDR_REG) | IMM_I(0));
|
|
|
|
/* Memory. */
|
|
return emit_op_mem(compiler, WORD_DATA, RETURN_ADDR_REG, dst, dstw);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
/* 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
|
|
|
|
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;
|
|
|
|
switch (type) {
|
|
case SLJIT_EQUAL:
|
|
inst = BNE | RS1(EQUAL_FLAG) | RS2(TMP_ZERO) | BRANCH_LENGTH;
|
|
break;
|
|
case SLJIT_NOT_EQUAL:
|
|
inst = BEQ | RS1(EQUAL_FLAG) | RS2(TMP_ZERO) | BRANCH_LENGTH;
|
|
break;
|
|
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: /* Not supported. */
|
|
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:
|
|
inst = BEQ | RS1(OTHER_FLAG) | RS2(TMP_ZERO) | BRANCH_LENGTH;
|
|
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: /* 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:
|
|
inst = BNE | RS1(OTHER_FLAG) | RS2(TMP_ZERO) | BRANCH_LENGTH;
|
|
break;
|
|
default:
|
|
/* Not conditional branch. */
|
|
inst = 0;
|
|
break;
|
|
}
|
|
|
|
if (inst != 0) {
|
|
PTR_FAIL_IF(push_inst(compiler, inst));
|
|
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));
|
|
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));
|
|
ADJUST_LOCAL_OFFSET(src, srcw);
|
|
|
|
if (!(src & SLJIT_IMM)) {
|
|
if (src & SLJIT_MEM) {
|
|
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));
|
|
ADJUST_LOCAL_OFFSET(src, srcw);
|
|
|
|
if (src & SLJIT_MEM) {
|
|
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) {
|
|
FAIL_IF(push_inst(compiler, ADDI | RD(TMP_REG1) | RS1(src) | IMM_I(0)));
|
|
src = TMP_REG1;
|
|
}
|
|
|
|
FAIL_IF(emit_stack_frame_release(compiler));
|
|
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_cmov(struct sljit_compiler *compiler, sljit_s32 type,
|
|
sljit_s32 dst_reg,
|
|
sljit_s32 src, sljit_sw srcw)
|
|
{
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw));
|
|
|
|
return sljit_emit_cmov_generic(compiler, type, dst_reg, src, srcw);;
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE 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);
|
|
}
|