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| author | Strahinja Petrovic <strahinja.petrovic@rt-rk.com> | 2017-06-21 09:25:51 +0000 |
|---|---|---|
| committer | Strahinja Petrovic <strahinja.petrovic@rt-rk.com> | 2017-06-21 09:25:51 +0000 |
| commit | d280ea4f763786cfe037af6bc7baec0614017e97 (patch) | |
| tree | 93567b4142f8ada0ebc4d0f56899abedf696f1c2 /llvm/lib/Target | |
| parent | e3a0cc2ca06e45bbbd9a1f6eeddca53e4ca1f579 (diff) | |
| download | bcm5719-llvm-d280ea4f763786cfe037af6bc7baec0614017e97.tar.gz bcm5719-llvm-d280ea4f763786cfe037af6bc7baec0614017e97.zip | |
[MIPS] Fix for selecting of DINS/INS instruction
This patch adds one more condition in selection DINS/INS
instruction, which fixes MultiSource/Applications/JM/ldecod/
for mips32r2 (and mips64r2 n32 abi).
Differential Revision: https://reviews.llvm.org/D33725
llvm-svn: 305888
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/Mips/MipsISelLowering.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp index 68708dc4f50..02102d6b22f 100644 --- a/llvm/lib/Target/Mips/MipsISelLowering.cpp +++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp @@ -907,6 +907,11 @@ static SDValue performORCombine(SDNode *N, SelectionDAG &DAG, if (!(CN1 = dyn_cast<ConstantSDNode>(N->getOperand(1)))) return SDValue(); } + // Don't generate INS if constant OR operand doesn't fit into bits + // cleared by constant AND operand. + if (CN->getSExtValue() & CN1->getSExtValue()) + return SDValue(); + SDLoc DL(N); EVT ValTy = N->getOperand(0)->getValueType(0); SDValue Const1; |
