[PATCH] D59576: [X86] Add CMPXCHG8B feature flag. Set it for all CPUs except i386/i486 including 'generic'. Disable use of CMPXCHG8B when this flag isn't set.
Craig Topper via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Mar 20 16:37:50 PDT 2019
This revision was automatically updated to reflect the committed changes.
Closed by commit rG8d46403b8e13: [X86] Add CMPXCHG8B feature flag. Set it for all CPUs except i386/i486… (authored by craig.topper).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D59576/new/
https://reviews.llvm.org/D59576
Files:
llvm/lib/Support/Host.cpp
llvm/lib/Target/X86/X86.td
llvm/lib/Target/X86/X86ISelLowering.cpp
llvm/lib/Target/X86/X86InstrCompiler.td
llvm/lib/Target/X86/X86InstrInfo.td
llvm/lib/Target/X86/X86Subtarget.h
llvm/test/CodeGen/X86/atomic64.ll
llvm/test/CodeGen/X86/cmpxchg8b.ll
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