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process memory operands with a parenthesized expression for a displacement, 

like "(4+5)(%eax)".

llvm-svn: 73878
This commit is contained in:
Chris Lattner 2009-06-22 06:35:58 +00:00
parent 7fdbce7a60
commit 1d1fe918de
1 changed files with 12 additions and 2 deletions
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14
llvm/tools/llvm-mc/AsmParser.cpp
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@ -167,8 +167,18 @@ bool AsmParser::ParseX86MemOperand(X86Operand &Op) {
// Nothing to do here, fall into the code below with the '(' part of the
// memory operand consumed.
} else {
// FIXME: Call ParseParenExpression with the leading ( consumed.
return TokError("FIXME: Paren expr not implemented yet!");
// It must be an parenthesized expression, parse it now.
if (ParseParenExpr(Disp)) return true;
// After parsing the base expression we could either have a parenthesized
// memory address or not. If not, return now. If so, eat the (.
if (Lexer.isNot(asmtok::LParen)) {
Op = X86Operand::CreateMem(SegReg, Disp, 0, 0, 0);
return false;
}
// Eat the '('.
Lexer.Lex();
}
}