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[X86] Add segment and address-size override prefixes

Authored by void on Jan 14 2021, 1:51 AM.

Description

[X86] Add segment and address-size override prefixes

X86 allows for the "addr32" and "addr16" address size override prefixes.
Also, these and the segment override prefixes should be recognized as
valid prefixes.

Differential Revision: https://reviews.llvm.org/D94726

Details

Committed
voidJan 19 2021, 11:54 PM
Differential Revision
D94726: [X86] Add segment and address-size override prefixes
Parents
rG8ca4b174d703: [RISCV] Implement vlseg intrinsics.
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