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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-06-10 19:18:21 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-06-10 19:18:21 +0000 |
| commit | b5b5110b5c2be363f35a2ae90a9793cefb656dbf (patch) | |
| tree | ac6325c4fc02bab000c3cfbdd4aa9bcc5955b154 /llvm/lib/Target/R600/AMDGPUISelLowering.cpp | |
| parent | 9a54da08e001dedd16e96def9c9ea1b413d838db (diff) | |
| download | llvm-b5b5110b5c2be363f35a2ae90a9793cefb656dbf.zip llvm-b5b5110b5c2be363f35a2ae90a9793cefb656dbf.tar.gz llvm-b5b5110b5c2be363f35a2ae90a9793cefb656dbf.tar.bz2 | |
R600/SI: Use bcnt instruction for ctpop
llvm-svn: 210567
Diffstat (limited to 'llvm/lib/Target/R600/AMDGPUISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/R600/AMDGPUISelLowering.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/llvm/lib/Target/R600/AMDGPUISelLowering.cpp b/llvm/lib/Target/R600/AMDGPUISelLowering.cpp index cb4f8cd..8ee453d 100644 --- a/llvm/lib/Target/R600/AMDGPUISelLowering.cpp +++ b/llvm/lib/Target/R600/AMDGPUISelLowering.cpp @@ -220,12 +220,19 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) : setOperationAction(ISD::FCOPYSIGN, MVT::f64, Expand); } + for (MVT VT : { MVT::i32, MVT::i64 }) { + // TODO: Evergreen has BCNT_INT for CTPOP + setOperationAction(ISD::CTPOP, VT, Expand); + setOperationAction(ISD::CTTZ, VT, Expand); + setOperationAction(ISD::CTLZ, VT, Expand); + } + static const MVT::SimpleValueType IntTypes[] = { MVT::v2i32, MVT::v4i32 }; for (MVT VT : IntTypes) { - //Expand the following operations for the current type by default + // Expand the following operations for the current type by default. setOperationAction(ISD::ADD, VT, Expand); setOperationAction(ISD::AND, VT, Expand); setOperationAction(ISD::FP_TO_SINT, VT, Expand); @@ -244,6 +251,9 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) : setOperationAction(ISD::VSELECT, VT, Expand); setOperationAction(ISD::XOR, VT, Expand); setOperationAction(ISD::BSWAP, VT, Expand); + setOperationAction(ISD::CTPOP, VT, Expand); + setOperationAction(ISD::CTTZ, VT, Expand); + setOperationAction(ISD::CTLZ, VT, Expand); } static const MVT::SimpleValueType FloatTypes[] = { |