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Expand ADDO/SUBO on Hexagon 

llvm-svn: 234795
This commit is contained in:
Krzysztof Parzyszek 2015-04-13 20:37:01 +00:00
parent 54700b05c7
commit 2c4487de6d
1 changed files with 8 additions and 0 deletions
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8
llvm/lib/Target/Hexagon/HexagonISelLowering.cpp
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@ -1717,6 +1717,14 @@ HexagonTargetLowering::HexagonTargetLowering(const TargetMachine &TM,
setOperationAction(ISD::SUBC, MVT::i32, Expand);
setOperationAction(ISD::SUBC, MVT::i64, Expand);
// Only add and sub that detect overflow are the saturating ones.
for (MVT VT : MVT::integer_valuetypes()) {
setOperationAction(ISD::UADDO, VT, Expand);
setOperationAction(ISD::SADDO, VT, Expand);
setOperationAction(ISD::USUBO, VT, Expand);
setOperationAction(ISD::SSUBO, VT, Expand);
}
setOperationAction(ISD::CTPOP, MVT::i32, Expand);
setOperationAction(ISD::CTPOP, MVT::i64, Expand);
setOperationAction(ISD::CTTZ, MVT::i32, Expand);