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
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 @@
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 @@
// Set CPU specific features.
if (CPUString == "cortex-a8") {
PostRAScheduler = true;
+ if (UseNEONFP.getPosition() == 0)
+ UseNEONForSinglePrecisionFP = true;
}
}