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| author | Michael Kuperstein <michael.m.kuperstein@intel.com> | 2015-02-19 09:01:04 +0000 |
|---|---|---|
| committer | Michael Kuperstein <michael.m.kuperstein@intel.com> | 2015-02-19 09:01:04 +0000 |
| commit | ba5b04c798b9cf30420f75128737a97b265d1e50 (patch) | |
| tree | 3d0b7c38f118af48f0f0902812f845e577f95f35 /llvm/lib/Target/ARM/ARMSubtarget.cpp | |
| parent | 36f974d76babc13a3e1de7b54965583878d5f272 (diff) | |
| download | bcm5719-llvm-ba5b04c798b9cf30420f75128737a97b265d1e50.tar.gz bcm5719-llvm-ba5b04c798b9cf30420f75128737a97b265d1e50.zip | |
Use std::bitset for SubtargetFeatures
Previously, subtarget features were a bitfield with the underlying type being uint64_t.
Since several targets (X86 and ARM, in particular) have hit or were very close to hitting this bound, switching the features to use a bitset.
No functional change.
Differential Revision: http://reviews.llvm.org/D7065
llvm-svn: 229831
Diffstat (limited to 'llvm/lib/Target/ARM/ARMSubtarget.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMSubtarget.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.cpp b/llvm/lib/Target/ARM/ARMSubtarget.cpp index a82b9f21aa9..5f7d57539fc 100644 --- a/llvm/lib/Target/ARM/ARMSubtarget.cpp +++ b/llvm/lib/Target/ARM/ARMSubtarget.cpp @@ -262,8 +262,8 @@ void ARMSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) { } // NEON f32 ops are non-IEEE 754 compliant. Darwin is ok with it by default. - uint64_t Bits = getFeatureBits(); - if ((Bits & ARM::ProcA5 || Bits & ARM::ProcA8) && // Where this matters + const FeatureBitset &Bits = getFeatureBits(); + if ((Bits[ARM::ProcA5] || Bits[ARM::ProcA8]) && // Where this matters (Options.UnsafeFPMath || isTargetDarwin())) UseNEONForSinglePrecisionFP = true; } |
