// Obtain the name of the RegMask for an InstructForm
const char *ArchDesc::reg_mask(InstructForm &inForm) {
const char *result = inForm.reduce_result();
if (result == NULL) {
syntax_err(inForm._linenum,
"Did not find result operand or RegMask"
" for this instruction: %s",
inForm._ident);
abort();
}
// Instructions producing 'Universe' use RegMask::Empty
if( strcmp(result,"Universe")==0 ) {
return "RegMask::Empty";
}
// Lookup this result operand and get its register class
Form *form = (Form*)_globalNames[result];
if (form == NULL) {
syntax_err(inForm._linenum,
"Did not find result operand for result: %s", result);
abort();
}
OperandForm *oper = form->is_operand();
if (oper == NULL) {
syntax_err(inForm._linenum, "Form is not an OperandForm:");
form->dump();
abort();
}
return reg_mask( *oper );
}
void dump() {
reset();
Form *cur;
for(; (cur = iter()) != NULL; ) {
cur->dump();
};
}
