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| author | Akira Hatanaka <ahatanaka@mips.com> | 2011-11-11 04:18:21 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2011-11-11 04:18:21 +0000 |
| commit | e184fec550ea249d00e058cfba34ec6913951895 (patch) | |
| tree | 1245c5fc021f6bf7417e078e04551f547e782e85 /lib | |
| parent | 59068067cb37322c50463102bbd6929df34c039e (diff) | |
| download | llvm-e184fec550ea249d00e058cfba34ec6913951895.tar.gz llvm-e184fec550ea249d00e058cfba34ec6913951895.tar.bz2 llvm-e184fec550ea249d00e058cfba34ec6913951895.tar.xz | |
Do not try to detect DAG combine patterns for integer multiply-add/sub if value
type is not i32. MIPS does not have 64-bit integer multiply-add/sub
instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144373 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/Mips/MipsISelLowering.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp index d916edd73a..2b0e90b894 100644 --- a/lib/Target/Mips/MipsISelLowering.cpp +++ b/lib/Target/Mips/MipsISelLowering.cpp @@ -395,7 +395,8 @@ static SDValue PerformADDECombine(SDNode *N, SelectionDAG& DAG, if (DCI.isBeforeLegalize()) return SDValue(); - if (Subtarget->hasMips32() && SelectMadd(N, &DAG)) + if (Subtarget->hasMips32() && N->getValueType(0) == MVT::i32 && + SelectMadd(N, &DAG)) return SDValue(N, 0); return SDValue(); @@ -407,7 +408,8 @@ static SDValue PerformSUBECombine(SDNode *N, SelectionDAG& DAG, if (DCI.isBeforeLegalize()) return SDValue(); - if (Subtarget->hasMips32() && SelectMsub(N, &DAG)) + if (Subtarget->hasMips32() && N->getValueType(0) == MVT::i32 && + SelectMsub(N, &DAG)) return SDValue(N, 0); return SDValue(); |