[llvm-commits] [llvm] r140199 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
Bruno Cardoso Lopes
bruno.cardoso at gmail.com
Tue Sep 20 15:34:46 PDT 2011
Author: bruno
Date: Tue Sep 20 17:34:45 2011
New Revision: 140199
URL: http://llvm.org/viewvc/llvm-project?rev=140199&view=rev
Log:
Simplify max/minp[s|d] dagcombine matching
Modified:
llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=140199&r1=140198&r2=140199&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Tue Sep 20 17:34:45 2011
@@ -12562,17 +12562,14 @@
// Get the LHS/RHS of the select.
SDValue LHS = N->getOperand(1);
SDValue RHS = N->getOperand(2);
+ EVT VT = LHS.getValueType();
// If we have SSE[12] support, try to form min/max nodes. SSE min/max
// instructions match the semantics of the common C idiom x<y?x:y but not
// x<=y?x:y, because of how they handle negative zero (which can be
// ignored in unsafe-math mode).
- if (Cond.getOpcode() == ISD::SETCC &&
- ((Subtarget->hasXMMInt() &&
- (LHS.getValueType() == MVT::f32 || LHS.getValueType() == MVT::v4f32 ||
- LHS.getValueType() == MVT::f64 || LHS.getValueType() == MVT::v2f64)) ||
- (Subtarget->hasAVX() &&
- (LHS.getValueType() == MVT::v8f32 || LHS.getValueType() == MVT::v4f64)))) {
+ if (Cond.getOpcode() == ISD::SETCC && VT.isFloatingPoint() &&
+ VT != MVT::f80 && DAG.getTargetLoweringInfo().isTypeLegal(VT)) {
ISD::CondCode CC = cast<CondCodeSDNode>(Cond.getOperand(2))->get();
unsigned Opcode = 0;
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