Use 16-bit tMOVgpr2gpr instead of tMOVr to copy GPR registers in Thumb2 mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78398 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/Thumb2InstrInfo.cpp b/lib/Target/ARM/Thumb2InstrInfo.cpp
index 2b329e0..783e650 100644
--- a/lib/Target/ARM/Thumb2InstrInfo.cpp
+++ b/lib/Target/ARM/Thumb2InstrInfo.cpp
@@ -65,12 +65,7 @@
if (DestRC == ARM::GPRRegisterClass &&
SrcRC == ARM::GPRRegisterClass) {
- // FIXME: Just use tMOVgpr2gpr since it's shorter?
- if (SrcReg == ARM::SP || DestReg == ARM::SP)
- BuildMI(MBB, I, DL, get(ARM::tMOVgpr2gpr), DestReg).addReg(SrcReg);
- else
- AddDefaultCC(AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::t2MOVr),
- DestReg).addReg(SrcReg)));
+ BuildMI(MBB, I, DL, get(ARM::tMOVgpr2gpr), DestReg).addReg(SrcReg);
return true;
} else if (DestRC == ARM::GPRRegisterClass &&
SrcRC == ARM::tGPRRegisterClass) {