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| author | Tim Northover <Tim.Northover@arm.com> | 2013-02-18 12:11:32 +0000 |
|---|---|---|
| committer | Tim Northover <Tim.Northover@arm.com> | 2013-02-18 12:11:32 +0000 |
| commit | 6a93c86fc73d84a40d3460be04444669c8439e20 (patch) | |
| tree | f11736e7e08b84d0045d907187302fb08d9a31d3 /lib | |
| parent | 66d19bdeef25611c9188b3f27b7d578df4b9a447 (diff) | |
AArch64: add atomic support parameters to TargetInfo
This allows Clang to detect and deal wih __atomic_* operations properly on
AArch64. Previously we produced an error when encountering them at high
optimisation levels.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175438 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Basic/Targets.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp index 6f8dfe9b65..eaf2e7d05e 100644 --- a/lib/Basic/Targets.cpp +++ b/lib/Basic/Targets.cpp @@ -3167,6 +3167,10 @@ public: WCharType = UnsignedInt; LongDoubleFormat = &llvm::APFloat::IEEEquad; + // AArch64 backend supports 64-bit operations at the moment. In principle + // 128-bit is possible if register-pairs are used. + MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64; + TheCXXABI.set(TargetCXXABI::GenericAArch64); } virtual void getTargetDefines(const LangOptions &Opts, |