}
return Error(Tok.getLoc(), "Unexpected identifier!");
}
- case AsmToken::Integer:
+ case AsmToken::Integer: {
if (isParsingInlineAsm() && SM.getAddImmPrefix())
InstInfo->AsmRewrites->push_back(AsmRewrite(AOK_ImmPrefix,
Tok.getLoc()));
- SM.onInteger(Tok.getIntVal());
+ // Look for 'b' or 'f' following an Integer as a directional label
+ SMLoc Loc = getTok().getLoc();
+ int64_t IntVal = getTok().getIntVal();
+ End = consumeToken();
+ UpdateLocLex = false;
+ if (getLexer().getKind() == AsmToken::Identifier) {
+ StringRef IDVal = getTok().getString();
+ if (IDVal == "f" || IDVal == "b") {
+ MCSymbol *Sym =
+ getContext().GetDirectionalLocalSymbol(IntVal,
+ IDVal == "f" ? 1 : 0);
+ MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None;
+ const MCExpr *Val =
+ MCSymbolRefExpr::Create(Sym, Variant, getContext());
+ if (IDVal == "b" && Sym->isUndefined())
+ return Error(Loc, "invalid reference to undefined symbol");
+ StringRef Identifier = Sym->getName();
+ SM.onIdentifierExpr(Val, Identifier);
+ End = consumeToken();
+ } else {
+ SM.onInteger(IntVal);
+ }
+ } else {
+ SM.onInteger(IntVal);
+ }
break;
+ }
case AsmToken::Plus: SM.onPlus(); break;
case AsmToken::Minus: SM.onMinus(); break;
case AsmToken::Star: SM.onStar(); break;
}
if (getLexer().isNot(AsmToken::LBrac)) {
+ // If a directional label (ie. 1f or 2b) was parsed above from
+ // ParseIntelExpression() then SM.getSym() was set to a pointer to
+ // to the MCExpr with the directional local symbol and this is a
+ // memory operand not an immediate operand.
+ if (SM.getSym())
+ return X86Operand::CreateMem(SM.getSym(), Start, End, Size);
+
const MCExpr *ImmExpr = MCConstantExpr::Create(Imm, getContext());
return X86Operand::CreateImm(ImmExpr, Start, End);
}