1/* Description of target passes for rs6000
2   Copyright (C) 2016-2022 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3.  If not see
18<http://www.gnu.org/licenses/>.  */
19
20/*
21   Macros that can be used in this file:
22   INSERT_PASS_AFTER (PASS, INSTANCE, TGT_PASS)
23   INSERT_PASS_BEFORE (PASS, INSTANCE, TGT_PASS)
24   REPLACE_PASS (PASS, INSTANCE, TGT_PASS)
25 */
26
27  /* Pass to add the appropriate vector swaps on power8 little endian systems.
28     The power8 does not have instructions that automaticaly do the byte swaps
29     for loads and stores.  */
30  INSERT_PASS_BEFORE (pass_cse, 1, pass_analyze_swaps);
31
32  /* Pass to do the PCREL_OPT optimization that combines the load of an
33     external symbol's address along with a single load or store using that
34     address as a base register.  */
35  INSERT_PASS_BEFORE (pass_sched2, 1, pass_pcrel_opt);
36