dotnet/runtime
Ver no GitHub[RyuJIT/x86/x64] Unify and streamline emitter for operand-size override prefix (0x66)
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#11.788 aberto em 10 de jan. de 2019
arch-x64arch-x86area-CodeGen-coreclrhelp wanted
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Description
Now, the emitter has a lot of code like below for adding operand-size override prefix (0x66) or estimating code size of it.
if (attrSize == EA_2BYTE && ins != INS_movzx && ins != INS_movsx)
{
...
}
We need to refactor the emitter to unify and simplify the code.
cc @CarolEidt @tannergooding
category:implementation theme:emitter skill-level:beginner cost:small impact:small