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[llvm-exegesis][X86] Save and restore eflags.

Authored by courbet on Nov 2 2020, 5:25 AM.

Description

[llvm-exegesis][X86] Save and restore eflags.

This is needed to benchmark instruction that touch EFLAGS (e.g. STD: set direction flag).

Differential Revision: https://reviews.llvm.org/D90742

Details

Committed
courbetNov 4 2020, 1:44 AM
Differential Revision
D90742: [llvm-exegesis][X86] Save and restore eflags.
Parents
rGa57550def15e: [clangd] Pass parameters to config apply functions
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