FNEG/FABS/UNDEF
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21029 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/AlphaISelPattern.cpp b/lib/Target/Alpha/AlphaISelPattern.cpp
index a0f3e8e..4a40aa9 100644
--- a/lib/Target/Alpha/AlphaISelPattern.cpp
+++ b/lib/Target/Alpha/AlphaISelPattern.cpp
@@ -537,15 +537,19 @@
Node->dump();
assert(0 && "Node not handled!\n");
+ case ISD::UNDEF: {
+ BuildMI(BB, Alpha::IDEF, 0, Result);
+ return Result;
+ }
+
case ISD::FNEG:
if(ISD::FABS == N.getOperand(0).getOpcode())
{
Tmp1 = SelectExpr(N.getOperand(0).getOperand(0));
- BuildMI(BB, Alpha::CPYSN, 2, Result).addReg(Tmp1).addReg(Tmp1);
+ BuildMI(BB, Alpha::CPYSN, 2, Result).addReg(Alpha::F31).addReg(Tmp1);
} else {
Tmp1 = SelectExpr(N.getOperand(0));
- Opc = DestType == MVT::f64 ? Alpha::SUBT : Alpha::SUBS ;
- BuildMI(BB, Opc, 2, Result).addReg(Alpha::F31).addReg(Tmp1);
+ BuildMI(BB, Alpha::CPYSN, 2, Result).addReg(Tmp1).addReg(Tmp1);
}
return Result;
@@ -850,6 +854,12 @@
Node->dump();
assert(0 && "Node not handled!\n");
+
+ case ISD::UNDEF: {
+ BuildMI(BB, Alpha::IDEF, 0, Result);
+ return Result;
+ }
+
case ISD::DYNAMIC_STACKALLOC:
// Generate both result values.
if (Result != notIn)