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Support emitting symbolic constants.

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This commit is contained in:
Bill Currie 2011-02-06 20:08:54 +09:00
parent e4ac92b5f2
commit 1d108a8cec
1 changed files with 17 additions and 13 deletions
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30
tools/qfcc/source/emit.c
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@ -63,10 +63,24 @@ static __attribute__ ((used)) const char rcsid[] = "$Id$";
static def_t zero_def; static def_t zero_def;
static def_t * static def_t *
get_operand_def (operand_t *op) get_value_def (ex_value_t *value, etype_t type)
{ {
//FIXME share immediates
def_t *def; def_t *def;
def = new_def (".imm", ev_types[type], pr.near_data, st_static);
if (type == ev_string) {
EMIT_STRING (def->space, D_STRUCT (string_t, def),
value->v.string_val);
} else {
memcpy (D_POINTER (pr_type_t, def), &value->v, pr_type_size[type]);
}
return def;
}
static def_t *
get_operand_def (operand_t *op)
{
if (!op) if (!op)
return 0; return 0;
switch (op->op_type) { switch (op->op_type) {
@ -80,24 +94,14 @@ get_operand_def (operand_t *op)
case sy_func: case sy_func:
return op->o.symbol->s.func->def; return op->o.symbol->s.func->def;
case sy_const: case sy_const:
//FIXME return get_value_def (&op->o.symbol->s.value, op->type);
case sy_type: case sy_type:
case sy_expr: case sy_expr:
internal_error (0, "invalid operand type"); internal_error (0, "invalid operand type");
} }
break; break;
case op_value: case op_value:
//FIXME share immediates return get_value_def (op->o.value, op->type);
def = new_def (".imm", ev_types[op->type], pr.near_data,
st_static);
if (op->type == ev_string) {
EMIT_STRING (def->space, D_STRUCT (string_t, def),
op->o.value->v.string_val);
} else {
memcpy (D_POINTER (pr_type_t, def), &op->o.value->v,
pr_type_size[op->type]);
}
return def;
case op_label: case op_label:
zero_def.type = &type_short; zero_def.type = &type_short;
return &zero_def; //FIXME return &zero_def; //FIXME