irn = new_rd_Add(dbg, current_ir_graph, block, left, irn, get_irn_mode(n));
+/*
printf("Applied: %s - %s => %s + (-%s)\n",
get_irn_opname(get_Sub_left(n)), get_irn_opname(c),
get_irn_opname(get_Sub_left(n)), get_irn_opname(c) );
-
+*/
exchange(n, irn);
return 1;
get_comm_Binop_ops(t1, &t2, &c2);
+ /* do not optimize Bad nodes, will fail later */
+ if (is_Bad(t2))
+ return 0;
+
c_c1 = get_const_class(c1);
c_c2 = get_const_class(c2);
c_t2 = get_const_class(t2);
* convert c1 .OP. (c2 .OP. x) => (c1 .OP. c2) .OP. x
*/
ir_node *irn, *in[2];
- ir_mode *mode;
+ ir_mode *mode, *mode_c1 = get_irn_mode(c1), *mode_c2 = get_irn_mode(c2);
+
+ /* It might happen, that c1 and c2 have different modes, for instance Is and Iu.
+ * Handle this here.
+ */
+ if (mode_c1 != mode_c2) {
+ if (mode_is_int(mode_c1) && mode_is_int(mode_c2)) {
+ /* get the bigger one */
+ if (get_mode_size_bits(mode_c1) > get_mode_size_bits(mode_c2))
+ c2 = new_r_Conv(current_ir_graph, block, c2, mode_c1);
+ else if (get_mode_size_bits(mode_c1) < get_mode_size_bits(mode_c2))
+ c1 = new_r_Conv(current_ir_graph, block, c1, mode_c2);
+ else {
+ /* Try to cast the real const */
+ if (c_c1 == REAL_CONSTANT)
+ c1 = new_r_Conv(current_ir_graph, block, c1, mode_c2);
+ else
+ c2 = new_r_Conv(current_ir_graph, block, c2, mode_c1);
+ }
+ }
+ }
in[0] = c1;
in[1] = c2;
mode = get_mode_from_ops(in[0], in[1]);
irn = optimize_node(new_ir_node(NULL, current_ir_graph, block, op, mode, 2, in));
+/*
printf("Applied: %s .%s. (%s .%s. %s) => (%s .%s. %s) .%s. %s\n",
get_irn_opname(c1), get_irn_opname(n), get_irn_opname(c2), get_irn_opname(n), get_irn_opname(t2),
get_irn_opname(c1), get_irn_opname(n), get_irn_opname(c2), get_irn_opname(n), get_irn_opname(t2));
-
- exchange(n, irn);
-
- return 1;
+ */
+ /*
+ * in some rare cases it can really happen that we get the same node back.
+ * This might be happen in dead loops, were the Phi nodes are already gone away.
+ * So check this.
+ */
+ if (n != irn) {
+ exchange(n, irn);
+ return 1;
+ }
}
}
return 0;
mode = get_mode_from_ops(in[0], in[1]);
irn = optimize_node(new_ir_node(NULL, current_ir_graph, block, op, mode, 2, in));
+/*
printf("Applied: (%s .%s. %s) %s %s => (%s %s %s) .%s. (%s %s %s)\n",
get_irn_opname(t1), get_op_name(op), get_irn_opname(t2), get_irn_opname(n), get_irn_opname(c),
get_irn_opname(t1), get_irn_opname(n), get_irn_opname(c),
get_op_name(op),
get_irn_opname(t2), get_irn_opname(n), get_irn_opname(c));
-
+*/
exchange(n, irn);
return 1;