By default, for cortex-a8 use NEON for single-precision FP.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78200 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARM.td b/lib/Target/ARM/ARM.td
index 172c7de..ce28149 100644
--- a/lib/Target/ARM/ARM.td
+++ b/lib/Target/ARM/ARM.td
@@ -32,9 +32,6 @@
"ARM v6t2">;
def ArchV7A : SubtargetFeature<"v7a", "ARMArchVersion", "V7A",
"ARM v7A">;
-def FeatureNEONFP : SubtargetFeature<"neonfp", "UseNEONForSinglePrecisionFP",
- "true",
- "Use NEON for single-precision FP">;
def FeatureVFP2 : SubtargetFeature<"vfp2", "ARMFPUType", "VFPv2",
"Enable VFP2 instructions">;
def FeatureVFP3 : SubtargetFeature<"vfp3", "ARMFPUType", "VFPv3",
@@ -43,6 +40,9 @@
"Enable NEON instructions">;
def FeatureThumb2 : SubtargetFeature<"thumb2", "ThumbMode", "Thumb2",
"Enable Thumb2 instructions">;
+def FeatureNEONFP : SubtargetFeature<"neonfp", "UseNEONForSinglePrecisionFP",
+ "true",
+ "Use NEON for single-precision FP">;
//===----------------------------------------------------------------------===//
// ARM Processors supported.
@@ -113,7 +113,7 @@
// V7 Processors.
def : Processor<"cortex-a8", CortexA8Itineraries,
- [ArchV7A, FeatureThumb2, FeatureNEON]>;
+ [ArchV7A, FeatureThumb2, FeatureNEON, FeatureNEONFP]>;
def : Processor<"cortex-a9", V7Itineraries,
[ArchV7A, FeatureThumb2, FeatureNEON]>;
diff --git a/lib/Target/ARM/ARMSubtarget.h b/lib/Target/ARM/ARMSubtarget.h
index 6d1ffc4..b56b55e 100644
--- a/lib/Target/ARM/ARMSubtarget.h
+++ b/lib/Target/ARM/ARMSubtarget.h
@@ -42,7 +42,9 @@
/// ARMFPUType - Floating Point Unit type.
ARMFPEnum ARMFPUType;
- /// UseNEONForSinglePrecisionFP - if NEON is available use for FP
+ /// UseNEONForSinglePrecisionFP - if the NEONFP attribute has been
+ /// specified. Use the method useNEONForSinglePrecisionFP() to
+ /// determine if NEON should actually be used.
bool UseNEONForSinglePrecisionFP;
/// IsThumb - True if we are in thumb mode, false if in ARM mode.