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author | Akira Hatanaka <ahatanaka@mips.com> | 2013-04-12 22:24:52 +0000 |
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committer | Akira Hatanaka <ahatanaka@mips.com> | 2013-04-12 22:24:52 +0000 |
commit | 6d224459f42fd1e2a57479b6b60e55053dce38d7 (patch) | |
tree | 7f019a688d05e9c4de387507329bd864e81d32df /lib/Target/Mips/MipsSEISelDAGToDAG.cpp | |
parent | 9367b8d4f254d9e5cccb15334cc1a969c5be0d31 (diff) | |
download | llvm-6d224459f42fd1e2a57479b6b60e55053dce38d7.tar.gz llvm-6d224459f42fd1e2a57479b6b60e55053dce38d7.tar.bz2 llvm-6d224459f42fd1e2a57479b6b60e55053dce38d7.tar.xz |
[mips] Instruction selection patterns for carry-setting and using add
instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179421 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MipsSEISelDAGToDAG.cpp')
-rw-r--r-- | lib/Target/Mips/MipsSEISelDAGToDAG.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/Mips/MipsSEISelDAGToDAG.cpp b/lib/Target/Mips/MipsSEISelDAGToDAG.cpp index e0f5832d9e..0114687add 100644 --- a/lib/Target/Mips/MipsSEISelDAGToDAG.cpp +++ b/lib/Target/Mips/MipsSEISelDAGToDAG.cpp @@ -303,6 +303,8 @@ std::pair<bool, SDNode*> MipsSEDAGToDAGISel::selectNode(SDNode *Node) { } case ISD::ADDE: { + if (Subtarget.hasDSP()) // Select DSP instructions, ADDSC and ADDWC. + break; SDValue InFlag = Node->getOperand(2); Result = selectAddESubE(Mips::ADDu, InFlag, InFlag.getValue(0), DL, Node); return std::make_pair(true, Result); |