diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 14 | ||||
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCInstrAltivec.td | 7 |
2 files changed, 13 insertions, 8 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index 99de51bf77d..5a33d6ab7f6 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -923,11 +923,19 @@ SDOperand PPCTargetLowering::LowerOperation(SDOperand Op, SelectionDAG &DAG) { case ISD::BUILD_VECTOR: // If this is a case we can't handle, return null and let the default // expansion code take care of it. If we CAN select this case, return Op. - - // See if this is all zeros. + // FIXME: We should handle splat(-0.0), and other cases here. - if (ISD::isBuildVectorAllZeros(Op.Val)) + + // See if this is all zeros. + if (ISD::isBuildVectorAllZeros(Op.Val)) { + // Canonicalize all zero vectors to be v4i32. + if (Op.getValueType() != MVT::v4i32) { + SDOperand Z = DAG.getConstant(0, MVT::i32); + Z = DAG.getNode(ISD::BUILD_VECTOR, MVT::v4i32, Z, Z, Z, Z); + Op = DAG.getNode(ISD::BIT_CONVERT, Op.getValueType(), Z); + } return Op; + } if (PPC::get_VSPLI_elt(Op.Val, 1, DAG).Val || // vspltisb PPC::get_VSPLI_elt(Op.Val, 2, DAG).Val || // vspltish diff --git a/llvm/lib/Target/PowerPC/PPCInstrAltivec.td b/llvm/lib/Target/PowerPC/PPCInstrAltivec.td index 8377077303f..39304c876f5 100644 --- a/llvm/lib/Target/PowerPC/PPCInstrAltivec.td +++ b/llvm/lib/Target/PowerPC/PPCInstrAltivec.td @@ -521,7 +521,7 @@ def VCMPGTUWo : VCMPo<646, "vcmpgtuw. $vD, $vA, $vB", v4i32>; def V_SET0 : VXForm_setzero<1220, (ops VRRC:$vD), "vxor $vD, $vD, $vD", VecFP, - [(set VRRC:$vD, (v4f32 immAllZerosV))]>; + [(set VRRC:$vD, (v4i32 immAllZerosV))]>; } //===----------------------------------------------------------------------===// @@ -544,9 +544,6 @@ def : Pat<(int_ppc_altivec_dststt GPRC:$rA, GPRC:$rB, imm:$STRM), def : Pat<(v16i8 (undef)), (v16i8 (IMPLICIT_DEF_VRRC))>; def : Pat<(v8i16 (undef)), (v8i16 (IMPLICIT_DEF_VRRC))>; def : Pat<(v4i32 (undef)), (v4i32 (IMPLICIT_DEF_VRRC))>; -def : Pat<(v16i8 immAllZerosV), (v16i8 (V_SET0))>; -def : Pat<(v8i16 immAllZerosV), (v8i16 (V_SET0))>; -def : Pat<(v4i32 immAllZerosV), (v4i32 (V_SET0))>; // Loads. def : Pat<(v16i8 (load xoaddr:$src)), (v16i8 (LVX xoaddr:$src))>; @@ -637,7 +634,7 @@ def : Pat<(v8i16 (and VRRC:$A, (vnot VRRC:$B))), (v8i16 (VANDC VRRC:$A, VRRC:$B))>; def : Pat<(fmul VRRC:$vA, VRRC:$vB), - (VMADDFP VRRC:$vA, VRRC:$vB, (V_SET0))>; + (VMADDFP VRRC:$vA, VRRC:$vB, (v4i32 (V_SET0)))>; // Fused multiply add and multiply sub for packed float. These are represented // separately from the real instructions above, for operations that must have |
