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[SU]XT[BH] are only available on ARMv6 and up. 

llvm-svn: 138373
This commit is contained in:
Jim Grosbach 2011-08-23 20:53:08 +00:00
parent ee9848e20d
commit 50b0f6669c
1 changed files with 2 additions and 0 deletions
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2
llvm/lib/Target/ARM/ARMFastISel.cpp
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@ -2002,12 +2002,14 @@ bool ARMFastISel::SelectIntCast(const Instruction *I) {
switch (SrcVT.getSimpleVT().SimpleTy) {
default: return false;
case MVT::i16:
if (!Subtarget->hasV6Ops()) return false;
if (isZext)
Opc = isThumb ? ARM::t2UXTH : ARM::UXTH;
else
Opc = isThumb ? ARM::t2SXTH : ARM::SXTH;
break;
case MVT::i8:
if (!Subtarget->hasV6Ops()) return false;
if (isZext)
Opc = isThumb ? ARM::t2UXTB : ARM::UXTB;
else