[PATCH][08/10] -fuse-caller-save - Enable by default at O2 and higher

[Tom de Vries]

Vladimir,

This patch enables the -fuse-caller-save optimization by default.

Thanks,
  -Tom

2013-03-30  Radovan Obradovic  <robrado...@mips.com>
            Tom de Vries  <t...@codesourcery.com>

        * opts.c (default_options_table): Add OPT_LEVELS_2_PLUS entry with
        OPT_fuse_caller_save.

diff --git a/gcc/opts.c b/gcc/opts.c
index 45b12fe..52a42b9 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -486,6 +486,7 @@ static const struct default_options default_options_table[] =
     { OPT_LEVELS_2_PLUS, OPT_ftree_tail_merge, NULL, 1 },
     { OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_foptimize_strlen, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_fhoist_adjacent_loads, NULL, 1 },
+    { OPT_LEVELS_2_PLUS, OPT_fuse_caller_save, NULL, 1 },
 
     /* -O3 optimizations.  */
     { OPT_LEVELS_3_PLUS, OPT_ftree_loop_distribute_patterns, NULL, 1 },