diff options
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/opts.c | 11 |
2 files changed, 18 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e63082a..fea61ea 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2019-01-30 Richard Biener <rguenther@suse.de> + + PR rtl-optimization/89115 + * opts.c (default_options_optimization): Reduce + PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1. + Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative + to the default. + 2019-01-30 Kelvin Nilsen <kelvin@gcc.gnu.org> * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin): @@ -670,7 +670,16 @@ default_options_optimization (struct gcc_options *opts, /* For -O1 only do loop invariant motion for very small loops. */ maybe_set_param_value (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP, - opt2 ? default_param_value (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP) : 1000, + opt2 ? default_param_value (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP) + : default_param_value (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP) / 10, + opts->x_param_values, opts_set->x_param_values); + + /* For -O1 reduce the maximum number of active local stores for RTL DSE + since this can consume huge amounts of memory (PR89115). */ + maybe_set_param_value + (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES, + opt2 ? default_param_value (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES) + : default_param_value (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES) / 10, opts->x_param_values, opts_set->x_param_values); /* At -Ofast, allow store motion to introduce potential race conditions. */ |