diff options
Diffstat (limited to 'gcc/common')
| -rw-r--r-- | gcc/common/config/i386/i386-common.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/common/config/i386/i386-common.c b/gcc/common/config/i386/i386-common.c index 99643d65f9b..ac4232fffff 100644 --- a/gcc/common/config/i386/i386-common.c +++ b/gcc/common/config/i386/i386-common.c @@ -599,6 +599,8 @@ ix86_handle_option (struct gcc_options *opts, static const struct default_options ix86_option_optimization_table[] = { + /* Enable redundant extension instructions removal at -O2 and higher. */ + { OPT_LEVELS_2_PLUS, OPT_free, NULL, 1 }, /* Turn off -fschedule-insns by default. It tends to make the problem with not enough registers even worse. */ { OPT_LEVELS_ALL, OPT_fschedule_insns, NULL, 0 }, |