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Add GPRPair Register class to ARM.
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Fri, 26 Oct 2012 21:29:15 +0000 (21:29 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Fri, 26 Oct 2012 21:29:15 +0000 (21:29 +0000)
commitcd275f5687799e63956beabe35fc1718dc022f70
treedf35df442b7a86b72ed82b088f60b36fb3a819f9
parent6db893660ff92d4433350b5c084d123a50f4f122
Add GPRPair Register class to ARM.

Some instructions in ARM require 2 even-odd paired GPRs. This
patch adds support for such register class.

Patch by Weiming Zhao!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166816 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/ARM/ARMBaseInstrInfo.cpp
lib/Target/ARM/ARMBaseRegisterInfo.cpp
lib/Target/ARM/ARMRegisterInfo.td
test/CodeGen/Thumb2/thumb2-uxtb.ll