dotnet/runtime
JIT: missing opportunities in constant folding around bitwise ops
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#95,747 创建于 2023年12月7日
area-CodeGen-coreclrhelp wantedin-pr
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描述
int Test(int x, int y) => (x | 5) | (y | 3); // E.g. Enums
Current asm:
; Method Program:Test(int,int):int:this (FullOpts)
or edx, 5
mov eax, edx
or eax, r8d
or eax, 3
ret
; Total bytes of code: 12
Expected asm:
mov eax, edx
or eax, r8d
or eax, 7
ret
; Total bytes of code: 9