diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 11 | ||||
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCInstrAltivec.td | 15 |
2 files changed, 22 insertions, 4 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index dd3362ff353..b98c9e1b067 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -401,11 +401,15 @@ PPCTargetLowering::PPCTargetLowering(const PPCTargetMachine &TM, setOperationAction(ISD::ADD , VT, Legal); setOperationAction(ISD::SUB , VT, Legal); - // Vector popcnt instructions introduced in P8 - if (Subtarget.hasP8Altivec()) + // Vector instructions introduced in P8 + if (Subtarget.hasP8Altivec()) { setOperationAction(ISD::CTPOP, VT, Legal); - else + setOperationAction(ISD::CTLZ, VT, Legal); + } + else { setOperationAction(ISD::CTPOP, VT, Expand); + setOperationAction(ISD::CTLZ, VT, Expand); + } // We promote all shuffles to v16i8. setOperationAction(ISD::VECTOR_SHUFFLE, VT, Promote); @@ -461,7 +465,6 @@ PPCTargetLowering::PPCTargetLowering(const PPCTargetMachine &TM, setOperationAction(ISD::SCALAR_TO_VECTOR, VT, Expand); setOperationAction(ISD::FPOW, VT, Expand); setOperationAction(ISD::BSWAP, VT, Expand); - setOperationAction(ISD::CTLZ, VT, Expand); setOperationAction(ISD::CTLZ_ZERO_UNDEF, VT, Expand); setOperationAction(ISD::CTTZ, VT, Expand); setOperationAction(ISD::CTTZ_ZERO_UNDEF, VT, Expand); diff --git a/llvm/lib/Target/PowerPC/PPCInstrAltivec.td b/llvm/lib/Target/PowerPC/PPCInstrAltivec.td index 5641b536569..9379bad7317 100644 --- a/llvm/lib/Target/PowerPC/PPCInstrAltivec.td +++ b/llvm/lib/Target/PowerPC/PPCInstrAltivec.td @@ -940,6 +940,21 @@ def : Pat<(v4f32 (fnearbyint v4f32:$vA)), def HasP8Altivec : Predicate<"PPCSubTarget->hasP8Altivec()">; let Predicates = [HasP8Altivec] in { + +// Count Leading Zeros +def VCLZB : VXForm_2<1794, (outs vrrc:$vD), (ins vrrc:$vB), + "vclzb $vD, $vB", IIC_VecGeneral, + [(set v16i8:$vD, (ctlz v16i8:$vB))]>; +def VCLZH : VXForm_2<1858, (outs vrrc:$vD), (ins vrrc:$vB), + "vclzh $vD, $vB", IIC_VecGeneral, + [(set v8i16:$vD, (ctlz v8i16:$vB))]>; +def VCLZW : VXForm_2<1922, (outs vrrc:$vD), (ins vrrc:$vB), + "vclzw $vD, $vB", IIC_VecGeneral, + [(set v4i32:$vD, (ctlz v4i32:$vB))]>; +def VCLZD : VXForm_2<1986, (outs vrrc:$vD), (ins vrrc:$vB), + "vclzd $vD, $vB", IIC_VecGeneral, + [(set v2i64:$vD, (ctlz v2i64:$vB))]>; + // Population Count def VPOPCNTB : VXForm_2<1795, (outs vrrc:$vD), (ins vrrc:$vB), "vpopcntb $vD, $vB", IIC_VecGeneral, |
