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| author | Craig Topper <craig.topper@gmail.com> | 2011-12-02 07:16:01 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2011-12-02 07:16:01 +0000 |
| commit | abeb79eee3feeef42398c83134e767cee7f1e2a6 (patch) | |
| tree | 240e9c38c2bf5e304f40b6f36951a20f86c7b70f /llvm/lib/Target | |
| parent | f9ce7b60ef0be81ad120ed51b81f6812d2ca79a1 (diff) | |
| download | bcm5719-llvm-abeb79eee3feeef42398c83134e767cee7f1e2a6.tar.gz bcm5719-llvm-abeb79eee3feeef42398c83134e767cee7f1e2a6.zip | |
Add instruction selection support for horizontal add/sub of 256-bit floating point vectors. Also add the test case for 256-bit integer vectors.
llvm-svn: 145680
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index d2130814872..f1683ae7194 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -14443,7 +14443,8 @@ static SDValue PerformFADDCombine(SDNode *N, SelectionDAG &DAG, SDValue RHS = N->getOperand(1); // Try to synthesize horizontal adds from adds of shuffles. - if (Subtarget->hasSSE3orAVX() && (VT == MVT::v4f32 || VT == MVT::v2f64) && + if (((Subtarget->hasSSE3orAVX() && (VT == MVT::v4f32 || VT == MVT::v2f64)) || + (Subtarget->hasAVX() && (VT == MVT::v8f32 || VT == MVT::v4f64))) && isHorizontalBinOp(LHS, RHS, true)) return DAG.getNode(X86ISD::FHADD, N->getDebugLoc(), VT, LHS, RHS); return SDValue(); @@ -14457,7 +14458,8 @@ static SDValue PerformFSUBCombine(SDNode *N, SelectionDAG &DAG, SDValue RHS = N->getOperand(1); // Try to synthesize horizontal subs from subs of shuffles. - if (Subtarget->hasSSE3orAVX() && (VT == MVT::v4f32 || VT == MVT::v2f64) && + if (((Subtarget->hasSSE3orAVX() && (VT == MVT::v4f32 || VT == MVT::v2f64)) || + (Subtarget->hasAVX() && (VT == MVT::v8f32 || VT == MVT::v4f64))) && isHorizontalBinOp(LHS, RHS, false)) return DAG.getNode(X86ISD::FHSUB, N->getDebugLoc(), VT, LHS, RHS); return SDValue(); |
