diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 2 | ||||
| -rw-r--r-- | gcc/toplev.c | 12 |
3 files changed, 10 insertions, 9 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 25080b2..8d26038 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2009-11-17 Eric Botcazou <ebotcazou@adacore.com> + + * toplev.c (process_options): Remove dead code. + * doc/invoke.texi (-frename-registers): Mention -fpeel-loops. + 2009-11-17 Rafael Avila de Espindola <espindola@google.com> * lto-symtab.c (lto_symtab_resolve_symbols): Always initialize the diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 295c0fe..b632d04 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -7726,7 +7726,7 @@ debug information format adopted by the target, however, it can make debugging impossible, since variables will no longer stay in a ``home register''. -Enabled by default with @option{-funroll-loops}. +Enabled by default with @option{-funroll-loops} and @option{-fpeel-loops}. @item -ftracer @opindex ftracer diff --git a/gcc/toplev.c b/gcc/toplev.c index 8686e4d..92e4835 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -1843,11 +1843,12 @@ process_options (void) /* The loop unrolling code assumes that cse will be run after loop. web and rename-registers also help when run after loop unrolling. */ - if (flag_rerun_cse_after_loop == AUTODETECT_VALUE) flag_rerun_cse_after_loop = flag_unroll_loops || flag_peel_loops; + if (flag_web == AUTODETECT_VALUE) flag_web = flag_unroll_loops || flag_peel_loops; + if (flag_rename_registers == AUTODETECT_VALUE) flag_rename_registers = flag_unroll_loops || flag_peel_loops; @@ -1991,9 +1992,8 @@ process_options (void) error ("target system does not support the \"%s\" debug format", debug_type_names[write_symbols]); - /* Now we know which debug output will be used so we can set - flag_var_tracking, flag_rename_registers if the user has - not specified them. */ + /* We know which debug output will be used so we can set flag_var_tracking + and flag_var_tracking_uninit if the user has not specified them. */ if (debug_info_level < DINFO_LEVEL_NORMAL || debug_hooks->var_location == do_nothing_debug_hooks.var_location) { @@ -2034,10 +2034,6 @@ process_options (void) && (flag_selective_scheduling || flag_selective_scheduling2)) warning (0, "var-tracking-assignments changes selective scheduling"); - if (flag_rename_registers == AUTODETECT_VALUE) - flag_rename_registers = default_debug_hooks->var_location - != do_nothing_debug_hooks.var_location; - if (flag_tree_cselim == AUTODETECT_VALUE) #ifdef HAVE_conditional_move flag_tree_cselim = 1; |