zzy
c6e3bb2e20
- 创建scc_x86_mir.h头文件，定义x86后端MIR指令结构和操作数构造器 - 创建scc_x86_isel.h头文件，定义x86_64指令选择器和相关工具函数 - 创建scc_x86_reg_alloc.h头文件，定义x86寄存器分配架构特定接口 - 移除旧的x86_64_isel.h和x86_64_reg_alloc.h文件 - 重构scc_mir.h中的指令表示，使用联合体存储伪指令数据 - 更新ABI lowering回调参数，使用void指针保持类型无关 - 扩展寄存器分配操作接口，添加指令信息查询和伪指令处理功能 - 更新目标文件包含路径以使用新的头文件命名
62 lines
2.6 KiB
C
62 lines
2.6 KiB
C
#ifndef __SCC_X86_ISEL_H__
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#define __SCC_X86_ISEL_H__
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#include <scc_lir_module.h>
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#include <scc_tree_dump.h>
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#include "../core_pass/scc_abi_lowering.h"
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#include "scc_x86_mir.h"
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typedef struct scc_x86_64_isel {
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scc_mir_x86_instr_vec_t instrs;
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scc_mir_func_t *func;
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scc_pos_t pos;
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scc_abi_lowering_t abi_lowering;
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} scc_x86_64_isel_t;
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void scc_isel_x86_64(scc_mir_module_t *mir_module,
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const scc_lir_module_t *lir_module,
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scc_x86_64_isel_t *isel);
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// Utils
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void scc_x86_emit_move(scc_x86_64_isel_t *isel, scc_x86_operand_value_t dst,
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scc_x86_operand_value_t src, u8 size);
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scc_x86_operand_value_t scc_x86_lir_val_to_mir_op(scc_x86_64_isel_t *isel,
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const scc_lir_val_t *val);
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static inline void emit_direct_call(scc_x86_64_isel_t *isel,
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const char *callee) {
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(void)callee;
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scc_mir_x86_instr_t instr = {0};
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scc_mir_x86_instr_1(&instr, SCC_X86_IFORM_CALL_NEAR_GPRV,
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scc_x86_op_relbr(0), scc_pos_create());
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scc_vec_push(isel->instrs, instr);
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}
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static inline void emit_ret(scc_x86_64_isel_t *isel) {
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scc_mir_x86_instr_t instr = {0};
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scc_mir_x86_instr_0(&instr, SCC_X86_IFORM_RET_NEAR, scc_pos_create());
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scc_vec_push(isel->instrs, instr);
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}
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#define add_instr_0(isel, iform) \
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do { \
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scc_mir_x86_instr_t instr; \
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scc_mir_x86_instr_0(&instr, (iform), (isel)->pos); \
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scc_vec_push((isel)->instrs, instr); \
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} while (0)
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#define add_instr_1(isel, iform, arg1) \
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do { \
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scc_mir_x86_instr_t instr; \
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scc_mir_x86_instr_1(&instr, (iform), (arg1), (isel)->pos); \
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scc_vec_push((isel)->instrs, instr); \
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} while (0)
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#define add_instr_2(isel, iform, arg1, arg2) \
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do { \
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scc_mir_x86_instr_t instr; \
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scc_mir_x86_instr_2(&instr, (iform), (arg1), (arg2), (isel)->pos); \
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scc_vec_push((isel)->instrs, instr); \
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} while (0)
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#endif /* __SCC_X86_ISEL_H__ */
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