diff options
| author | Steve Ellcey <sje@cup.hp.com> | 2005-07-18 21:14:19 +0000 |
|---|---|---|
| committer | Steve Ellcey <sje@cup.hp.com> | 2005-07-18 21:14:19 +0000 |
| commit | 81199cc0dc579eac65bdb47c4a273a3e9f5eafcc (patch) | |
| tree | 53ffd88b402da9bf5d1d731f5df0236a8056cee4 /gcc/toplev.c | |
| parent | faec220f9e528a0f5d32cd6012b7e7ca237984e6 (diff) | |
* common.opt (frename-registers): Initialize to 2.
(fweb): Ditto.
(fgcse-after-reload): Ditto.
* toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
(process_options): Only change flag_web, flag_rename_registers,
and flag_rerun_cse_after_loop if not explicitly set by user.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@102141 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 0250c97d417..368e9e60b20 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -145,7 +145,7 @@ location_t unknown_location = { NULL, 0 }; /* Used to enable -fvar-tracking, -fweb and -frename-registers according to optimize and default_debug_hooks in process_options (). */ -#define AUTODETECT_FLAG_VAR_TRACKING 2 +#define AUTODETECT_VALUE 2 /* Current position in real source file. */ @@ -334,9 +334,9 @@ rtx stack_limit_rtx; int flag_renumber_insns = 1; /* Nonzero if we should track variables. When - flag_var_tracking == AUTODETECT_FLAG_VAR_TRACKING it will be set according + flag_var_tracking == AUTODETECT_VALUE it will be set according to optimize, debug_info_level and debug_hooks in process_options (). */ -int flag_var_tracking = AUTODETECT_FLAG_VAR_TRACKING; +int flag_var_tracking = AUTODETECT_VALUE; /* True if the user has tagged the function with the 'section' attribute. */ @@ -1531,14 +1531,14 @@ process_options (void) flag_unroll_loops = 1; /* The loop unrolling code assumes that cse will be run after loop. - Also enable -fweb and -frename-registers that help scheduling - the unrolled loop. */ - if (flag_unroll_loops || flag_peel_loops) - { - flag_rerun_cse_after_loop = 1; - flag_web = 1; - flag_rename_registers = 1; - } + 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; /* If explicitly asked to run new loop optimizer, switch off the old one. */ @@ -1693,11 +1693,11 @@ process_options (void) flag_var_tracking = 0; } - if (flag_rename_registers == AUTODETECT_FLAG_VAR_TRACKING) + if (flag_rename_registers == AUTODETECT_VALUE) flag_rename_registers = default_debug_hooks->var_location != do_nothing_debug_hooks.var_location; - if (flag_var_tracking == AUTODETECT_FLAG_VAR_TRACKING) + if (flag_var_tracking == AUTODETECT_VALUE) flag_var_tracking = optimize >= 1; /* If auxiliary info generation is desired, open the output file. |