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Add dynarec optimisation for UOP_MOV_IMM, to avoid register allocation

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if the destination register won't be immediately used again.
This commit is contained in:
SarahW 2020-09-16 20:47:12 +01:00
commit 25fe224ea9
12 changed files with 216 additions and 1 deletions
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7
src/codegen_ir_defs.h
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@ -55,6 +55,7 @@
/*UOP_JMP_DEST - jump to ptr*/
#define UOP_JMP_DEST (UOP_TYPE_PARAMS_IMM | UOP_TYPE_PARAMS_POINTER | 0x17 | UOP_TYPE_ORDER_BARRIER | UOP_TYPE_JUMP)
#define UOP_NOP_BARRIER (UOP_TYPE_BARRIER | 0x18)
#define UOP_STORE_P_IMM_16 (UOP_TYPE_PARAMS_IMM | 0x19)
#ifdef DEBUG_EXTRA
/*UOP_LOG_INSTR - log non-recompiled instruction in imm_data*/
@ -765,6 +766,7 @@ static inline void uop_gen_reg_src2_pointer(uint32_t uop_type, ir_data_t *ir, in
#define uop_STORE_PTR_IMM(ir, p, imm) uop_gen_pointer_imm(UOP_STORE_P_IMM, ir, p, imm)
#define uop_STORE_PTR_IMM_8(ir, p, imm) uop_gen_pointer_imm(UOP_STORE_P_IMM_8, ir, p, imm)
#define uop_STORE_PTR_IMM_16(ir, p, imm) uop_gen_pointer_imm(UOP_STORE_P_IMM_16, ir, p, imm)
#define uop_TEST_JNS_DEST(ir, src_reg) uop_gen_reg_src1(UOP_TEST_JNS_DEST, ir, src_reg)
#define uop_TEST_JS_DEST(ir, src_reg) uop_gen_reg_src1(UOP_TEST_JS_DEST, ir, src_reg)
@ -807,4 +809,9 @@ void codegen_direct_write_double_stack(codeblock_t *block, int stack_offset, int
void codegen_set_jump_dest(codeblock_t *block, void *p);
void codegen_direct_write_8_imm(codeblock_t *block, void *p, uint8_t imm_data);
void codegen_direct_write_16_imm(codeblock_t *block, void *p, uint16_t imm_data);
void codegen_direct_write_32_imm(codeblock_t *block, void *p, uint32_t imm_data);
void codegen_direct_write_32_imm_stack(codeblock_t *block, int stack_offset, uint32_t imm_data);
#endif