Fix a (u)comiss intrinsic lowering bug. It was using anyext which can return junk in higher bits. Patch by Nate Begeman.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54903 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index f99b147..f5e9b08 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -5419,8 +5419,8 @@
SDValue Cond = DAG.getNode(Opc, MVT::i32, LHS, RHS);
SDValue SetCC = DAG.getNode(X86ISD::SETCC, MVT::i8,
- DAG.getConstant(X86CC, MVT::i8), Cond);
- return DAG.getNode(ISD::ANY_EXTEND, MVT::i32, SetCC);
+ DAG.getConstant(X86CC, MVT::i8), Cond);
+ return DAG.getNode(ISD::ZERO_EXTEND, MVT::i32, SetCC);
}
// Fix vector shift instructions where the last operand is a non-immediate