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| author | Bernard Ogden <bogden@arm.com> | 2013-10-29 09:47:35 +0000 |
|---|---|---|
| committer | Bernard Ogden <bogden@arm.com> | 2013-10-29 09:47:35 +0000 |
| commit | 47c6d17b1cce85ba30471b2270419e35ba3d5653 (patch) | |
| tree | f4eca547dd2a067e2e570a49f10ea510b68a2104 /lib/Target/ARM/ARMInstrInfo.td | |
| parent | 72202297a90563ec3eedd3015395c8d1a8db0a87 (diff) | |
| download | external_llvm-47c6d17b1cce85ba30471b2270419e35ba3d5653.zip external_llvm-47c6d17b1cce85ba30471b2270419e35ba3d5653.tar.gz external_llvm-47c6d17b1cce85ba30471b2270419e35ba3d5653.tar.bz2 | |
ARM: Add subtarget feature for CRC
Adds a subtarget feature for the CRC instructions (optional in v8-A) to the ARM (32-bit) backend.
Differential Revision: http://llvm-reviews.chandlerc.com/D2036
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193599 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index a200ba4..5d5be17 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -221,6 +221,8 @@ def HasNEON : Predicate<"Subtarget->hasNEON()">, AssemblerPredicate<"FeatureNEON", "NEON">; def HasCrypto : Predicate<"Subtarget->hasCrypto()">, AssemblerPredicate<"FeatureCrypto", "crypto">; +def HasCRC : Predicate<"Subtarget->hasCRC()">, + AssemblerPredicate<"FeatureCRC", "crc">; def HasFP16 : Predicate<"Subtarget->hasFP16()">, AssemblerPredicate<"FeatureFP16","half-float">; def HasDivide : Predicate<"Subtarget->hasDivide()">, @@ -4032,7 +4034,7 @@ class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin> : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary, !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm", [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>, - Requires<[IsARM, HasV8]> { + Requires<[IsARM, HasV8, HasCRC]> { bits<4> Rd; bits<4> Rn; bits<4> Rm; |