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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-12-02 00:11:43 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-12-02 00:11:43 +0000 |
| commit | ee1ad99f1ced9ffee436466ef674d4541c37864e (patch) | |
| tree | a26215260773552380b94918533d977e829230a2 /lib/Basic | |
| parent | 94b54ea787e439496fde16b3d2882d6d1b22d4f0 (diff) | |
When we're passing a vector with an illegal type through memory on x86-64, use byval so we're sure the backend does the right thing. Fixes va_arg with illegal vectors and an obscure ABI mismatch with __m64 vectors.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145652 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Basic')
| -rw-r--r-- | lib/Basic/Targets.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp index 404160bc4f..4eaa6248e2 100644 --- a/lib/Basic/Targets.cpp +++ b/lib/Basic/Targets.cpp @@ -1347,7 +1347,11 @@ public: virtual void getDefaultFeatures(llvm::StringMap<bool> &Features) const; virtual void HandleTargetFeatures(std::vector<std::string> &Features); virtual const char* getABI() const { - return MMX3DNowLevel == NoMMX3DNow ? "no-mmx" : ""; + if (PointerWidth == 64 && HasAVX) + return "avx"; + else if (PointerWidth == 32 && MMX3DNowLevel == NoMMX3DNow) + return "no-mmx"; + return ""; } virtual bool setCPU(const std::string &Name) { CPU = llvm::StringSwitch<CPUKind>(Name) |