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| author | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2011-09-20 22:34:45 +0000 |
|---|---|---|
| committer | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2011-09-20 22:34:45 +0000 |
| commit | 149f29f1fdd3f806fcc2570173105d27d718bd1d (patch) | |
| tree | 3693b9ac79f361613def585f7f36898813b3f346 | |
| parent | e3039de7225cdceca8a22b8c662a4b05b3dcc566 (diff) | |
| download | external_llvm-149f29f1fdd3f806fcc2570173105d27d718bd1d.zip external_llvm-149f29f1fdd3f806fcc2570173105d27d718bd1d.tar.gz external_llvm-149f29f1fdd3f806fcc2570173105d27d718bd1d.tar.bz2 | |
Simplify max/minp[s|d] dagcombine matching
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140199 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index c21b1dc..a2b5d04 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -12562,17 +12562,14 @@ static SDValue PerformSELECTCombine(SDNode *N, SelectionDAG &DAG, // 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; |