contrib/gcc/regclass.c

803 /* The `costs' struct records the cost of using a hard register of each class
807 struct costs
832 static struct costs *costs;
836 static struct costs init_cost;
852 static void record_operand_costs (rtx, struct costs *, struct reg_pref *);
855 				const char **, rtx, struct costs *,
930 /* Dump register costs.  */
940 	  fprintf (dump, "  Register %i costs:", i);
953 		     costs[i].cost[(enum reg_class) class]);
954 	  fprintf (dump, " MEM:%i\n", costs[i].mem_cost);
961 /* Calculate the costs of insn operands.  */
964 record_operand_costs (rtx insn, struct costs *op_costs,
977   /* If we get here, we are set up to record the costs of all the
978      operands for this insn.  Start by initializing the costs.
1042   struct costs op_costs[MAX_RECOG_OPERANDS];
1068       costs[REGNO (SET_DEST (set))].mem_cost
1141   /* Now add the cost for each operand to the total costs for
1149 	struct costs *p = &costs[regno], *q = &op_costs[i];
1221   costs = XNEWVEC (struct costs, nregs);
1242       memset (costs, 0, nregs * sizeof (struct costs));
1293 	  struct costs *p = &costs[i];
1377   free (costs);
1408 		    rtx insn, struct costs *op_costs,
1420       struct costs this_op_costs[MAX_RECOG_OPERANDS];
1505 		  /* The costs of this operand are not the same as the other
1506 		     operand since move costs are not symmetric.  Moreover,
1510 		  struct costs *pp = &this_op_costs[i];
1720 	     the costs of moving the pseudo into that class.  */
1736 		  struct costs *pp = &this_op_costs[i];
1805       /* Finally, update the costs with the information we've calculated
1812 	    struct costs *pp = &op_costs[i], *qq = &this_op_costs[i];
2109 	struct costs *pp = &costs[REGNO (x)];