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implement support for the 'K' asm constraint, PR4347

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73366 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-06-15 04:01:39 +00:00
parent a119de86a0
commit e4935150c7
1 changed files with 8 additions and 0 deletions
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8
lib/Target/X86/X86ISelLowering.cpp
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@ -8467,6 +8467,14 @@ void X86TargetLowering::LowerAsmOperandForConstraint(SDValue Op,
}
return;
case 'J':
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op)) {
if ((int8_t)C->getSExtValue() == C->getSExtValue()) {
Result = DAG.getTargetConstant(C->getZExtValue(), Op.getValueType());
break;
}
}
return;
case 'K':
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op)) {
if (C->getZExtValue() <= 63) {
Result = DAG.getTargetConstant(C->getZExtValue(), Op.getValueType());