diff options
Diffstat (limited to 'llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp')
| -rw-r--r-- | llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp index dba693239430..b87a25278922 100644 --- a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp +++ b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp @@ -397,6 +397,10 @@ void RISCVDAGToDAGISel::selectVLXSEG(SDNode *Node, bool IsMasked, RISCVII::VLMUL IndexLMUL = RISCVTargetLowering::getLMUL(IndexVT); unsigned IndexLog2EEW = Log2_32(IndexVT.getScalarSizeInBits()); + if (IndexLog2EEW == 6 && !Subtarget->is64Bit()) { + report_fatal_error("The V extension does not support EEW=64 for index " + "values when XLEN=32"); + } const RISCV::VLXSEGPseudo *P = RISCV::getVLXSEGPseudo( NF, IsMasked, IsOrdered, IndexLog2EEW, static_cast<unsigned>(LMUL), static_cast<unsigned>(IndexLMUL)); @@ -475,6 +479,10 @@ void RISCVDAGToDAGISel::selectVSXSEG(SDNode *Node, bool IsMasked, RISCVII::VLMUL IndexLMUL = RISCVTargetLowering::getLMUL(IndexVT); unsigned IndexLog2EEW = Log2_32(IndexVT.getScalarSizeInBits()); + if (IndexLog2EEW == 6 && !Subtarget->is64Bit()) { + report_fatal_error("The V extension does not support EEW=64 for index " + "values when XLEN=32"); + } const RISCV::VSXSEGPseudo *P = RISCV::getVSXSEGPseudo( NF, IsMasked, IsOrdered, IndexLog2EEW, static_cast<unsigned>(LMUL), static_cast<unsigned>(IndexLMUL)); @@ -1128,6 +1136,10 @@ void RISCVDAGToDAGISel::Select(SDNode *Node) { RISCVII::VLMUL LMUL = RISCVTargetLowering::getLMUL(VT); RISCVII::VLMUL IndexLMUL = RISCVTargetLowering::getLMUL(IndexVT); unsigned IndexLog2EEW = Log2_32(IndexVT.getScalarSizeInBits()); + if (IndexLog2EEW == 6 && !Subtarget->is64Bit()) { + report_fatal_error("The V extension does not support EEW=64 for index " + "values when XLEN=32"); + } const RISCV::VLX_VSXPseudo *P = RISCV::getVLXPseudo( IsMasked, IsOrdered, IndexLog2EEW, static_cast<unsigned>(LMUL), static_cast<unsigned>(IndexLMUL)); @@ -1318,6 +1330,10 @@ void RISCVDAGToDAGISel::Select(SDNode *Node) { RISCVII::VLMUL LMUL = RISCVTargetLowering::getLMUL(VT); RISCVII::VLMUL IndexLMUL = RISCVTargetLowering::getLMUL(IndexVT); unsigned IndexLog2EEW = Log2_32(IndexVT.getScalarSizeInBits()); + if (IndexLog2EEW == 6 && !Subtarget->is64Bit()) { + report_fatal_error("The V extension does not support EEW=64 for index " + "values when XLEN=32"); + } const RISCV::VLX_VSXPseudo *P = RISCV::getVSXPseudo( IsMasked, IsOrdered, IndexLog2EEW, static_cast<unsigned>(LMUL), static_cast<unsigned>(IndexLMUL)); |