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| author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2016-01-14 21:59:22 +0000 |
|---|---|---|
| committer | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2016-01-14 21:59:22 +0000 |
| commit | 0d11212f004c9193dd1cb2b01a80d6934b5fb5f9 (patch) | |
| tree | 986c25e8fbf9c50e753d7cf977f947191ae7b71e /llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp | |
| parent | 80c0974c6bc690f7087693f1704747e664d06d1a (diff) | |
| download | bcm5719-llvm-0d11212f004c9193dd1cb2b01a80d6934b5fb5f9.tar.gz bcm5719-llvm-0d11212f004c9193dd1cb2b01a80d6934b5fb5f9.zip | |
[Hexagon] Use S2_lsr_i_r instead of S2_extractu to obtain upper halfword
llvm-svn: 257815
Diffstat (limited to 'llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp')
| -rw-r--r-- | llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp b/llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp index ab28120ba27..8ded94d062a 100644 --- a/llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp +++ b/llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp @@ -1966,11 +1966,10 @@ bool BitSimplification::genExtractHalf(MachineInstr *MI, NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass); BuildMI(B, At, DL, HII.get(Hexagon::A2_zxth), NewR) .addReg(L.Reg, 0, L.Sub); - } else if (!L.Low && Opc != Hexagon::S2_extractu) { + } else if (!L.Low && Opc != Hexagon::S2_lsr_i_r) { NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass); - BuildMI(B, MI, DL, HII.get(Hexagon::S2_extractu), NewR) + BuildMI(B, MI, DL, HII.get(Hexagon::S2_lsr_i_r), NewR) .addReg(L.Reg, 0, L.Sub) - .addImm(16) .addImm(16); } if (NewR == 0) |
