================ @@ -2211,6 +2222,16 @@ ParseStatus RISCVAsmParser::parseVTypeI(OperandVector &Operands) { if (getLexer().is(AsmToken::EndOfStatement) && State == VTypeState_Done) { RISCVII::VLMUL VLMUL = RISCVVType::encodeLMUL(Lmul, Fractional); + if (Fractional) { + unsigned ELEN = STI->hasFeature(RISCV::FeatureStdExtZve64x) ? 64 : 32; + unsigned MaxSEW = ELEN / Lmul; + // If MaxSEW < 8, we should have printed warning about reserved LMUL. + if (MaxSEW >= 8 && Sew > MaxSEW) + Warning(SEWLoc, + "use of vtype encodings with SEW > " + Twine(MaxSEW) + + " and LMUL == " + (Fractional ? "mf" : "m") + Twine(Lmul) + ---------------- wangpc-pp wrote:
Good catch! https://github.com/llvm/llvm-project/pull/94313 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits