diff options
Diffstat (limited to 'llvm/lib/Target/RISCV/RISCVISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/RISCV/RISCVISelLowering.cpp | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp index 4845a9c..3918dd2 100644 --- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp +++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp @@ -2319,6 +2319,10 @@ bool RISCVTargetLowering::isFPImmLegal(const APFloat &Imm, EVT VT, if (getLegalZfaFPImm(Imm, VT) >= 0) return true; + // Some constants can be produced by fli+fneg. + if (Imm.isNegative() && getLegalZfaFPImm(-Imm, VT) >= 0) + return true; + // Cannot create a 64 bit floating-point immediate value for rv32. if (Subtarget.getXLen() < VT.getScalarSizeInBits()) { // td can handle +0.0 or -0.0 already. @@ -7936,7 +7940,7 @@ SDValue RISCVTargetLowering::LowerOperation(SDValue Op, BasePtr, MachinePointerInfo(Load->getAddressSpace()), Align(8)); OutChains.push_back(LoadVal.getValue(1)); Ret = DAG.getNode(RISCVISD::TUPLE_INSERT, DL, VT, Ret, LoadVal, - DAG.getVectorIdxConstant(i, DL)); + DAG.getTargetConstant(i, DL, MVT::i32)); BasePtr = DAG.getNode(ISD::ADD, DL, XLenVT, BasePtr, VROffset, Flag); } return DAG.getMergeValues( @@ -8015,9 +8019,10 @@ SDValue RISCVTargetLowering::LowerOperation(SDValue Op, // Extract subregisters in a vector tuple and store them individually. for (unsigned i = 0; i < NF; ++i) { - auto Extract = DAG.getNode(RISCVISD::TUPLE_EXTRACT, DL, - MVT::getScalableVectorVT(MVT::i8, NumElts), - StoredVal, DAG.getVectorIdxConstant(i, DL)); + auto Extract = + DAG.getNode(RISCVISD::TUPLE_EXTRACT, DL, + MVT::getScalableVectorVT(MVT::i8, NumElts), StoredVal, + DAG.getTargetConstant(i, DL, MVT::i32)); Ret = DAG.getStore(Chain, DL, Extract, BasePtr, MachinePointerInfo(Store->getAddressSpace()), Store->getBaseAlign(), @@ -10934,9 +10939,9 @@ SDValue RISCVTargetLowering::LowerINTRINSIC_W_CHAIN(SDValue Op, Load->getMemoryVT(), Load->getMemOperand()); SmallVector<SDValue, 9> Results; for (unsigned int RetIdx = 0; RetIdx < NF; RetIdx++) { - SDValue SubVec = - DAG.getNode(RISCVISD::TUPLE_EXTRACT, DL, ContainerVT, - Result.getValue(0), DAG.getVectorIdxConstant(RetIdx, DL)); + SDValue SubVec = DAG.getNode(RISCVISD::TUPLE_EXTRACT, DL, ContainerVT, + Result.getValue(0), + DAG.getTargetConstant(RetIdx, DL, MVT::i32)); Results.push_back(convertFromScalableVector(VT, SubVec, DAG, Subtarget)); } Results.push_back(Result.getValue(1)); @@ -11023,7 +11028,7 @@ SDValue RISCVTargetLowering::LowerINTRINSIC_VOID(SDValue Op, RISCVISD::TUPLE_INSERT, DL, VecTupTy, StoredVal, convertToScalableVector( ContainerVT, FixedIntrinsic->getOperand(2 + i), DAG, Subtarget), - DAG.getVectorIdxConstant(i, DL)); + DAG.getTargetConstant(i, DL, MVT::i32)); SDValue Ops[] = { FixedIntrinsic->getChain(), @@ -12027,7 +12032,7 @@ SDValue RISCVTargetLowering::lowerVECTOR_DEINTERLEAVE(SDValue Op, for (unsigned i = 0U; i < Factor; ++i) Res[i] = DAG.getNode(RISCVISD::TUPLE_EXTRACT, DL, VecVT, Load, - DAG.getVectorIdxConstant(i, DL)); + DAG.getTargetConstant(i, DL, MVT::i32)); return DAG.getMergeValues(Res, DL); } @@ -12124,8 +12129,9 @@ SDValue RISCVTargetLowering::lowerVECTOR_INTERLEAVE(SDValue Op, SDValue StoredVal = DAG.getUNDEF(VecTupTy); for (unsigned i = 0; i < Factor; i++) - StoredVal = DAG.getNode(RISCVISD::TUPLE_INSERT, DL, VecTupTy, StoredVal, - Op.getOperand(i), DAG.getConstant(i, DL, XLenVT)); + StoredVal = + DAG.getNode(RISCVISD::TUPLE_INSERT, DL, VecTupTy, StoredVal, + Op.getOperand(i), DAG.getTargetConstant(i, DL, MVT::i32)); SDValue Ops[] = {DAG.getEntryNode(), DAG.getTargetConstant(IntrIds[Factor - 2], DL, XLenVT), @@ -20690,7 +20696,7 @@ SDValue RISCVTargetLowering::PerformDAGCombine(SDNode *N, SDValue Result = DAG.getUNDEF(VT); for (unsigned i = 0; i < NF; ++i) Result = DAG.getNode(RISCVISD::TUPLE_INSERT, DL, VT, Result, Splat, - DAG.getVectorIdxConstant(i, DL)); + DAG.getTargetConstant(i, DL, MVT::i32)); return Result; } // If this is a bitcast between a MVT::v4i1/v2i1/v1i1 and an illegal integer @@ -24014,7 +24020,7 @@ bool RISCVTargetLowering::splitValueIntoRegisterParts( #endif Val = DAG.getNode(RISCVISD::TUPLE_INSERT, DL, PartVT, DAG.getUNDEF(PartVT), - Val, DAG.getVectorIdxConstant(0, DL)); + Val, DAG.getTargetConstant(0, DL, MVT::i32)); Parts[0] = Val; return true; } |