================
@@ -2155,6 +2155,17 @@ bool RISCVAsmParser::parseVTypeToken(const AsmToken
&Tok, VTypeState &State,
break;
if (!RISCVVType::isValidLMUL(Lmul, Fractional))
break;
+
+ if (Fractional) {
+ unsigned ELEN = STI->hasFeature(RISCV::FeatureStdExtZve64x) ? 64 : 32;
+ unsigned MinLMUL = ELEN / 8;
+ if (Lmul > MinLMUL)
+ Warning(
+ Tok.getLoc(),
+ Twine("The use of vtype encodings with LMUL < SEWMIN/ELEN == mf") +
+ Twine(MinLMUL) + Twine(" is reserved"));
----------------
topperc wrote:
Is it actually reserved? I thought it was just implementation defined.
https://github.com/llvm/llvm-project/pull/94313
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