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| author | David Goodwin <david_goodwin@apple.com> | 2009-08-05 16:01:19 +0000 |
|---|---|---|
| committer | David Goodwin <david_goodwin@apple.com> | 2009-08-05 16:01:19 +0000 |
| commit | 1f0e404c87675ce75e34bcd91395c660fe1d4ac1 (patch) | |
| tree | 1df8967e5ec97ff20b251813c539412dad8de1aa /lib/Target | |
| parent | ee16638bfc9c17068c4b3c2dc130277785a11e20 (diff) | |
| download | external_llvm-1f0e404c87675ce75e34bcd91395c660fe1d4ac1.zip external_llvm-1f0e404c87675ce75e34bcd91395c660fe1d4ac1.tar.gz external_llvm-1f0e404c87675ce75e34bcd91395c660fe1d4ac1.tar.bz2 | |
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
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/ARM/ARM.td | 8 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMSubtarget.h | 4 |
2 files changed, 7 insertions, 5 deletions
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 @@ def ArchV6T2 : SubtargetFeature<"v6t2", "ARMArchVersion", "V6T2", "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 @@ def FeatureNEON : SubtargetFeature<"neon", "ARMFPUType", "NEON", "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 @@ def : Processor<"arm1156t2f-s", V6Itineraries, // 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 @@ protected: /// 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. |