contrib/gcc/combine.c

12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
8106    is distributed, i.e. of C in the first example above.  */
8112   rtx decomposed, distributed, inner_op0, inner_op1, new_op0, new_op1, tmp;
8120   distributed = XEXP (x, !n);
8128   if (outer_code == AND && inner_code == XOR && GET_CODE (distributed) == NOT)
8130       distributed = XEXP (distributed, 0);
8137       new_op0 = simplify_gen_binary (outer_code, mode, inner_op0, distributed);
8138       new_op1 = simplify_gen_binary (outer_code, mode, inner_op1, distributed);
8143       new_op0 = simplify_gen_binary (outer_code, mode, distributed, inner_op0);
8144       new_op1 = simplify_gen_binary (outer_code, mode, distributed, inner_op1);
11704    notes will then be distributed as needed.  */