dist/gcc/expmed.c

104 static int shift_cost[2][NUM_MACHINE_MODES][MAX_BITS_PER_WORD];
263 	  shift_cost[speed][mode][0] = 0;
273 	      shift_cost[speed][mode][m] = rtx_cost (&all.shift, SET, speed);
2183       && shift_cost[speed][mode][INTVAL (op1)] > INTVAL (op1) * add_cost[speed][mode]
2184       && shift_cost[speed][mode][INTVAL (op1)] != MAX_COST)
2558 	     MIN (m * add_cost[speed][mode], shift_cost[speed][mode][m]).  */
2560 	  if (shift_cost[speed][mode][m] < op_cost)
2561 	    op_cost = shift_cost[speed][mode][m];
2589 		 shift_cost[speed][mode][m]).  */
2591 	      if (shift_cost[speed][mode][m] < op_cost)
2592 		op_cost = shift_cost[speed][mode][m];
2722 	  op_cost = add_cost[speed][mode] + shift_cost[speed][mode][m];
2761 	  op_cost = add_cost[speed][mode] + shift_cost[speed][mode][m];
3495       && (mul_highpart_cost[speed][mode] + 2 * shift_cost[speed][mode][size-1]
3521       && mul_cost[speed][wider_mode] + shift_cost[speed][mode][size-1] < max_cost)
3548       && (mul_widen_cost[speed][wider_mode] + 2 * shift_cost[speed][mode][size-1]
3603   extra_cost = shift_cost[speed][mode][GET_MODE_BITSIZE (mode) - 1];
3800       if (shift_cost[optimize_insn_for_speed_p ()][mode][ushift] > COSTS_N_INSNS (1))
4125 			      = (shift_cost[speed][compute_mode][post_shift - 1]
4126 				 + shift_cost[speed][compute_mode][1]
4161 			      = (shift_cost[speed][compute_mode][pre_shift]
4162 				 + shift_cost[speed][compute_mode][post_shift]);
4293 			extra_cost = (shift_cost[speed][compute_mode][post_shift]
4294 				      + shift_cost[speed][compute_mode][size - 1]
4330 			extra_cost = (shift_cost[speed][compute_mode][post_shift]
4331 				      + shift_cost[speed][compute_mode][size - 1]
4425 			extra_cost = (shift_cost[speed][compute_mode][post_shift]
4426 				      + shift_cost[speed][compute_mode][size - 1]