ARM: Add subtarget feature for CRC
authorBernard Ogden <bogden@arm.com>
Tue, 29 Oct 2013 09:47:35 +0000 (09:47 +0000)
committerBernard Ogden <bogden@arm.com>
Tue, 29 Oct 2013 09:47:35 +0000 (09:47 +0000)
commitee87e85505bb2b9b5057187785e82715ecbf71f2
tree5a4e6b2b735c8bce994f19220a1c8a72da4ab84f
parenta36a7825fbcd9c8d8147ee00334569c976199ba9
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

llvm-svn: 193599
llvm/lib/Target/ARM/ARM.td
llvm/lib/Target/ARM/ARMInstrInfo.td
llvm/lib/Target/ARM/ARMInstrThumb2.td
llvm/lib/Target/ARM/ARMSubtarget.h
llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
llvm/test/MC/ARM/crc32-thumb.s
llvm/test/MC/ARM/crc32.s