[backend]强化了线性扫描逻辑

2025-08-04 19:28:15 +08:00
parent b5f14d9385
commit 881c2a9723
3 changed files with 206 additions and 123 deletions
--- a/src/include/backend/RISCv64/RISCv64LLIR.h
+++ b/src/include/backend/RISCv64/RISCv64LLIR.h
@@ -41,6 +41,8 @@ enum class PhysicalReg {
    // 假设 vreg_counter 不会达到这么大的值
    PHYS_REG_START_ID = 1000000, 
    PHYS_REG_END_ID = PHYS_REG_START_ID + 320, // 预留足够的空间
+
+    INVALID, ///< 无效寄存器标记
 };

 // RISC-V 指令操作码枚举