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-rw-r--r--lib/Target/X86/X86ISelLowering.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 36e3ab2e82..cb0b30c857 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -8468,6 +8468,14 @@ 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());
break;