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| author | David Goodwin <david_goodwin@apple.com> | 2009-10-01 22:19:57 +0000 |
|---|---|---|
| committer | David Goodwin <david_goodwin@apple.com> | 2009-10-01 22:19:57 +0000 |
| commit | 9843a93e830e76f96e9a997b3002624a28ca5aa6 (patch) | |
| tree | faad56e6175ff6097b9b93bf2be6cd89bf3657f7 /lib/Target/ARM/ARMSubtarget.cpp | |
| parent | e4250396ea254b374436e94f391f1adb9bd94d20 (diff) | |
| download | external_llvm-9843a93e830e76f96e9a997b3002624a28ca5aa6.zip external_llvm-9843a93e830e76f96e9a997b3002624a28ca5aa6.tar.gz external_llvm-9843a93e830e76f96e9a997b3002624a28ca5aa6.tar.bz2 | |
Remove neonfp attribute and instead set default based on CPU string. Add -arm-use-neon-fp to override the default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83218 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMSubtarget.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMSubtarget.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMSubtarget.cpp b/lib/Target/ARM/ARMSubtarget.cpp index 704cf7a..cf1ee3f 100644 --- a/lib/Target/ARM/ARMSubtarget.cpp +++ b/lib/Target/ARM/ARMSubtarget.cpp @@ -21,12 +21,16 @@ using namespace llvm; static cl::opt<bool> ReserveR9("arm-reserve-r9", cl::Hidden, cl::desc("Reserve R9, making it unavailable as GPR")); +static cl::opt<bool> +UseNEONFP("arm-use-neon-fp", + cl::desc("Use NEON for single-precision FP"), + cl::init(false), cl::Hidden); ARMSubtarget::ARMSubtarget(const std::string &TT, const std::string &FS, bool isThumb) : ARMArchVersion(V4T) , ARMFPUType(None) - , UseNEONForSinglePrecisionFP(false) + , UseNEONForSinglePrecisionFP(UseNEONFP) , IsThumb(isThumb) , ThumbMode(Thumb1) , PostRAScheduler(false) @@ -97,6 +101,8 @@ ARMSubtarget::ARMSubtarget(const std::string &TT, const std::string &FS, // Set CPU specific features. if (CPUString == "cortex-a8") { PostRAScheduler = true; + if (UseNEONFP.getPosition() == 0) + UseNEONForSinglePrecisionFP = true; } } |