dotnet/runtime
Voir sur GitHub[RyuJIT/x86/x64] Unify and streamline emitter for operand-size override prefix (0x66)
Open
#11 788 ouverte le 10 janv. 2019
arch-x64arch-x86area-CodeGen-coreclrhelp wanted
Métriques du dépôt
- Stars
- (17 886 stars)
- Métriques de merge PR
- (Merge moyen 12j 11h) (661 PRs mergées en 30 j)
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