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https://git.code.sf.net/p/quake/quakeforge
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Support temp operands in dags.
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parent
9bc65ffedb
commit
7b2e426545
3 changed files with 35 additions and 23 deletions
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@ -41,6 +41,11 @@ typedef enum {
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op_alias,
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} op_type_e;
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typedef struct {
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struct def_s *def;
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struct daglabel_s *daglabel;
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} tempop_t;
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typedef struct operand_s {
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struct operand_s *next;
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op_type_e op_type;
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@ -51,7 +56,7 @@ typedef struct operand_s {
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struct ex_value_s *value;
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struct ex_label_s *label;
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struct ex_pointer_s *pointer;
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struct def_s *def;
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tempop_t tempop;
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struct operand_s *alias;
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} o;
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} operand_t;
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@ -96,20 +96,24 @@ operand_label (operand_t *op)
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o = op;
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while (o->op_type == op_alias)
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o = o->o.alias;
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if (o->op_type != op_symbol) {
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if (o->op_type != op_value && o->op_type != op_pointer)
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debug (0, "unexpected operand type");
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goto make_new_label;
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}
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sym = o->o.symbol;
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if (sym->daglabel)
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return sym->daglabel;
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make_new_label:
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label = new_label ();
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label->op = op;
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if (sym)
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if (o->op_type == op_temp) {
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label = new_label ();
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label->op = op;
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o->o.tempop.daglabel = label;
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} else if (o->op_type == op_symbol) {
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sym = o->o.symbol;
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if (sym->daglabel)
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return sym->daglabel;
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label = new_label ();
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label->op = op;
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sym->daglabel = label;
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} else {
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if (o->op_type != op_value && o->op_type != op_pointer)
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debug (0, "unexpected operand type: %d", o->op_type);
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label = new_label ();
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label->op = op;
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}
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return label;
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}
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@ -139,13 +143,16 @@ node (operand_t *op)
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o = op;
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while (o->op_type == op_alias)
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o = o->o.alias;
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if (o->op_type != op_symbol)
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return 0;
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sym = o->o.symbol;
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if (sym->sy_type == sy_const)
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return 0;
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if (sym->daglabel)
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return sym->daglabel->dagnode;
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if (o->op_type == op_symbol) {
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sym = o->o.symbol;
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if (sym->sy_type == sy_const)
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return 0;
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if (sym->daglabel)
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return sym->daglabel->dagnode;
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} else if (o->op_type == op_temp) {
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if (o->o.tempop.daglabel)
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return o->o.tempop.daglabel->dagnode;
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}
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return 0;
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}
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@ -107,9 +107,9 @@ get_operand_def (expr_t *expr, operand_t *op)
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zero_def.type = &type_short;
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return &zero_def; //FIXME
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case op_temp:
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if (!op->o.def)
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op->o.def = temp_def (op->type, op->size);
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return op->o.def;
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if (!op->o.tempop.def)
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op->o.tempop.def = temp_def (op->type, op->size);
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return op->o.tempop.def;
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case op_pointer:
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def = op->o.pointer->def;
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if (op->o.pointer->val || op->type != def->type->type) {
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