================
@@ -269,8 +275,12 @@ static uint32_t getLit64Encoding(const MCInstrDesc &Desc,
uint64_t Val,
return CanUse64BitLiterals && Lo_32(Val) ? 254 : 255;
}
- return CanUse64BitLiterals && (!isInt<32>(Val) || !isUInt<32>(Val)) ? 254
- : 255;
+ // For integer operands, determine if we need 64-bit literal encoding based
+ // on whether the value fits in a sign-extended or zero-extended 32-bit
+ // literal. Signed operands use IsInt<32>, unsigned operands use IsUInt<32>.
----------------
jayfoad wrote:
IsInt/IsUInt is just an implementation detail. Don't keep repeating it in
comments.
https://github.com/llvm/llvm-project/pull/186575
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