void
IdentifierInfo::DoRegLookup(const Arch& arch,
SourceLocation source,
DiagnosticsEngine& diags)
{
if (m_flags & DID_REG_LOOKUP)
return;
++num_reg_lookup;
m_flags &= ~(IS_REGISTER | IS_REGGROUP | IS_SEGREG | IS_TARGETMOD);
Arch::RegTmod regtmod = arch.ParseCheckRegTmod(getName(), source, diags);
switch (regtmod.getType())
{
case Arch::RegTmod::REG:
++num_reg_lookup_reg;
m_reg = const_cast<Register*>(regtmod.getReg());
m_flags |= IS_REGISTER;
break;
case Arch::RegTmod::REGGROUP:
++num_reg_lookup_reggroup;
m_reg = const_cast<RegisterGroup*>(regtmod.getRegGroup());
m_flags |= IS_REGGROUP;
break;
case Arch::RegTmod::SEGREG:
++num_reg_lookup_segreg;
m_reg = const_cast<SegmentRegister*>(regtmod.getSegReg());
m_flags |= IS_SEGREG;
break;
case Arch::RegTmod::TARGETMOD:
++num_reg_lookup_targetmod;
m_reg = const_cast<TargetModifier*>(regtmod.getTargetMod());
m_flags |= IS_TARGETMOD;
break;
default:
++num_reg_lookup_none;
break;
}
m_flags |= DID_REG_LOOKUP;
}
