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| author | Tom Stellard <thomas.stellard@amd.com> | 2014-05-15 14:41:54 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2014-05-15 14:41:54 +0000 |
| commit | c1de569ce86a8319776df2f5623f51cdf563b227 (patch) | |
| tree | 16a5ed8002fd9cbba9f61f5ad97a463875e40b06 /lib/Target/R600/AMDGPUISelDAGToDAG.cpp | |
| parent | bfffad69b25acf1c42a7891c873a947cb054d953 (diff) | |
| download | llvm-c1de569ce86a8319776df2f5623f51cdf563b227.tar.gz llvm-c1de569ce86a8319776df2f5623f51cdf563b227.tar.bz2 llvm-c1de569ce86a8319776df2f5623f51cdf563b227.tar.xz | |
R600/SI: Only use SALU instructions for 64-bit add in a block of CF depth 0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208886 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/R600/AMDGPUISelDAGToDAG.cpp')
| -rw-r--r-- | lib/Target/R600/AMDGPUISelDAGToDAG.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/lib/Target/R600/AMDGPUISelDAGToDAG.cpp b/lib/Target/R600/AMDGPUISelDAGToDAG.cpp index ba705db69d..f1f0bfa89a 100644 --- a/lib/Target/R600/AMDGPUISelDAGToDAG.cpp +++ b/lib/Target/R600/AMDGPUISelDAGToDAG.cpp @@ -239,12 +239,13 @@ SDNode *AMDGPUDAGToDAGISel::Select(SDNode *N) { AddLoArgs.push_back(SDValue(Lo0, 0)); AddLoArgs.push_back(SDValue(Lo1, 0)); - SDNode *AddLo = CurDAG->getMachineNode(AMDGPU::S_ADD_I32, DL, - VTList, AddLoArgs); + SDNode *AddLo = CurDAG->getMachineNode( + isCFDepth0() ? AMDGPU::S_ADD_I32 : AMDGPU::V_ADD_I32_e32, + DL, VTList, AddLoArgs); SDValue Carry = SDValue(AddLo, 1); - SDNode *AddHi = CurDAG->getMachineNode(AMDGPU::S_ADDC_U32, DL, - MVT::i32, SDValue(Hi0, 0), - SDValue(Hi1, 0), Carry); + SDNode *AddHi = CurDAG->getMachineNode( + isCFDepth0() ? AMDGPU::S_ADDC_U32 : AMDGPU::V_ADDC_U32_e32, + DL, MVT::i32, SDValue(Hi0, 0), SDValue(Hi1, 0), Carry); SDValue Args[5] = { CurDAG->getTargetConstant(AMDGPU::SReg_64RegClassID, MVT::i32), |