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implement parser support for '*' operands, as in "call *%eax".

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73876 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-06-22 06:02:13 +00:00
parent c41938303b
commit be9c23fef4
1 changed files with 13 additions and 6 deletions
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19
tools/llvm-mc/AsmParser.cpp
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@ -108,7 +108,7 @@ bool AsmParser::ParseX86Operand(X86Operand &Op) {
// FIXME: Decode reg #. // FIXME: Decode reg #.
// FIXME: if a segment register, this could either be just the seg reg, or // FIXME: if a segment register, this could either be just the seg reg, or
// the start of a memory operand. // the start of a memory operand.
Op = X86Operand::CreateReg(0); Op = X86Operand::CreateReg(123);
Lexer.Lex(); // Eat register. Lexer.Lex(); // Eat register.
return false; return false;
case asmtok::Dollar: { case asmtok::Dollar: {
@ -119,12 +119,19 @@ bool AsmParser::ParseX86Operand(X86Operand &Op) {
return TokError("expected integer constant"); return TokError("expected integer constant");
Op = X86Operand::CreateReg(Val); Op = X86Operand::CreateReg(Val);
return false; return false;
case asmtok::Star:
Lexer.Lex(); // Eat the star.
if (Lexer.is(asmtok::Register)) {
Op = X86Operand::CreateReg(123);
Lexer.Lex(); // Eat register.
} else if (ParseX86MemOperand(Op))
return true;
// FIXME: Note that these are 'dereferenced' so that clients know the '*' is
// there.
return false;
} }
//case asmtok::Star:
// * %eax
// * <memaddress>
// Note that these are both "dereferenced".
} }
} }