Changes in directory llvm/lib/Target/X86:
X86ISelLowering.cpp updated: 1.62 -> 1.63
---
Log message:
Targets all now request ConstantFP to be legalized into TargetConstantFP.
'fpimm' in .td files is now TargetConstantFP.
---
Diffs of the changes: (+6 -1)
X86ISelLowering.cpp | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletion(-)
Index: llvm/lib/Target/X86/X86ISelLowering.cpp
diff -u llvm/lib/Target/X86/X86ISelLowering.cpp:1.62
llvm/lib/Target/X86/X86ISelLowering.cpp:1.63
--- llvm/lib/Target/X86/X86ISelLowering.cpp:1.62 Sat Jan 28 04:34:47 2006
+++ llvm/lib/Target/X86/X86ISelLowering.cpp Sun Jan 29 00:26:08 2006
@@ -45,7 +45,7 @@
setSchedulingPreference(SchedulingForRegPressure);
setShiftAmountFlavor(Mask); // shl X, 32 == shl X, 0
setStackPointerRegisterToSaveRestore(X86::ESP);
-
+
// Set up the register classes.
addRegisterClass(MVT::i8, X86::R8RegisterClass);
addRegisterClass(MVT::i16, X86::R16RegisterClass);
@@ -213,6 +213,10 @@
setOperationAction(ISD::FNEG , MVT::f32, Expand);
setOperationAction(ISD::FREM , MVT::f32, Expand);
+ // Expand FP immediates into loads from the stack, except for the special
+ // cases we handle.
+ setOperationAction(ISD::ConstantFP, MVT::f64, Expand);
+ setOperationAction(ISD::ConstantFP, MVT::f32, Expand);
addLegalFPImmediate(+0.0); // xorps / xorpd
} else {
// Set up the FP register classes.
@@ -228,6 +232,7 @@
setOperationAction(ISD::FCOS , MVT::f64 , Expand);
}
+ setOperationAction(ISD::ConstantFP, MVT::f64, Expand);
addLegalFPImmediate(+0.0); // FLD0
addLegalFPImmediate(+1.0); // FLD1
addLegalFPImmediate(-0.0); // FLD0/FCHS
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