llvm/lib/Target/X86/X86InstrInfo.td · 7f4240a47caa0236234777bd68c59617bd208e2e · Roger Ferrer / llvm-epi-0.8 · GitLab

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xchg which references a memory operand does not need to lock prefix. Atomicity is guaranteed. · 7f4240a4
Evan Cheng authored Apr 19, 2008
```
llvm-svn: 49946
```
7f4240a4