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| author | Jim Grosbach <grosbach@apple.com> | 2010-05-05 23:44:43 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-05-05 23:44:43 +0000 |
| commit | 29402132f3e890a2771818f44987ede213297431 (patch) | |
| tree | a8b44b3b27d913edc1edb17de108a1e3d32fba53 /lib/Target/ARM/ARM.td | |
| parent | 1cc0d628552a43568ec7c143698025ab18f2e072 (diff) | |
| download | external_llvm-29402132f3e890a2771818f44987ede213297431.zip external_llvm-29402132f3e890a2771818f44987ede213297431.tar.gz external_llvm-29402132f3e890a2771818f44987ede213297431.tar.bz2 | |
Cleanup of ARMv7M support. Move hardware divide and Thumb2 extract/pack
instructions to subtarget features and update tests to reflect.
PR5717.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103136 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARM.td')
| -rw-r--r-- | lib/Target/ARM/ARM.td | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARM.td b/lib/Target/ARM/ARM.td index a7425e6..f1e6a9f 100644 --- a/lib/Target/ARM/ARM.td +++ b/lib/Target/ARM/ARM.td @@ -44,6 +44,10 @@ def FeatureThumb2 : SubtargetFeature<"thumb2", "ThumbMode", "Thumb2", "Enable Thumb2 instructions">; def FeatureFP16 : SubtargetFeature<"fp16", "HasFP16", "true", "Enable half-precision floating point">; +def FeatureHWDiv : SubtargetFeature<"hwdiv", "HasHardwareDivide", "true", + "Enable divide instructions">; +def FeatureT2ExtractPack: SubtargetFeature<"t2xtpk", "HasT2ExtractPack", "true", + "Enable Thumb2 extract and pack instructions">; // Some processors have multiply-accumulate instructions that don't // play nicely with other VFP instructions, and it's generally better @@ -125,10 +129,11 @@ def : Processor<"arm1156t2f-s", ARMV6Itineraries, // V7 Processors. def : Processor<"cortex-a8", CortexA8Itineraries, [ArchV7A, FeatureThumb2, FeatureNEON, FeatureHasSlowVMLx, - FeatureNEONForFP]>; + FeatureNEONForFP, FeatureT2ExtractPack]>; def : Processor<"cortex-a9", CortexA9Itineraries, - [ArchV7A, FeatureThumb2, FeatureNEON]>; -def : ProcNoItin<"cortex-m3", [ArchV7M, FeatureThumb2]>; + [ArchV7A, FeatureThumb2, FeatureNEON, FeatureT2ExtractPack]>; +def : ProcNoItin<"cortex-m3", [ArchV7M, FeatureThumb2, FeatureHWDiv]>; +def : ProcNoItin<"cortex-m4", [ArchV7M, FeatureThumb2, FeatureHWDiv]>; //===----------------------------------------------------------------------===// // Register File Description |