diff options
| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-05-15 09:00:30 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-05-15 09:00:30 +0000 |
| commit | 429fa7fa60729329a43f5d6d7b9211692e1cfa5b (patch) | |
| tree | 6dab9b09a4ebcfb309dc527384a3d4f4607f240d /gcc/toplev.c | |
| parent | b674560317eac766d09cb51a33ce9981610701bf (diff) | |
| download | gcc-429fa7fa60729329a43f5d6d7b9211692e1cfa5b.tar.gz | |
* invoke.texi (-malign-double): Re-add lost warning.
* i386-protos.h (x86_output_mi_thunk): Declare.
* unix.h (ASM_OUTPUT_MI_THUNK): Move offline to ...
* i386.c (x86_output_mi_thunk): ... here; handle 64bits.
* dwarf2out.c (output_call_frame_info): Do not skip unwind info
when flag_asynchronous_unwind_tables is set.
* flags.h (flag_reorder_functions): Declare.
* function.c (prepare_function_start): Initialize frequnecy.
* params.def (HOT_BB_COUNT_FRACTION, HOT_BB_FREQUENCY_FRACTION): New paramters.
* Makefile.in (predict.o): Add dependency on target.h and params.h
* defaults.h (HOT_TEXT_SECTION_NAME,
UNLIKELY_EXECUTED_TEXT_SECTION_NAME): New macros.
* predict.c (choose_function_section): New function.
(estimate_bb_frequencies): Use it.
* toplev.c (flag_reorder_functions): New global variable.
(lang_independent_options): New.
(parse_options_and_default_flags): Set.
* varasm.c (assemble_start_function): Bypass functdion alignment
for never executed functions.
* invoke.texi (-freorder-blocks, -freorder-functions): Document.
(param hot-bb-count-fraction, hot-bb-frequency-fraction): New.
* tm.texi (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
Document.
Thu Jan 3 21:52:09 CET 2002 Jan Hubicka <jh@suse.cz>
* predict.c: Inlude profile.h
(MIN_COUNT): Rename to MIN_COUNT_FRACTION
(maybe_hot_bb_p, probably_cold_bb_p, probably_never_executed_bb_p):
Use the information about maximal counter in the program.
Thu Dec 20 22:14:00 CET 2001 Jan Hubicka <jh@suse.cz>
* basic-block.h (maybe_hot_bb_p, probably_cold_bb_p,
probably_never_executed_bb_p): New functions.
* cfgcleanup.c (outgoing_edges_match): Use them.
* predict.c (MIN_COUNT, MIN_FREQUENCY): New macros.
(maybe_hot_bb_p, probably_cold_bb_p,
probably_never_executed_bb_p): New functions.
* function.h (function): Add new field function_frequency.
* predict.c (compute_function_frequency): New function.
(estimate_probability): Call it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53478 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 9213730f629..5f5eb462811 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -381,6 +381,10 @@ int flag_branch_probabilities = 0; int flag_reorder_blocks = 0; +/* Nonzero if functions should be reordered. */ + +int flag_reorder_functions = 0; + /* Nonzero if registers should be renamed. */ int flag_rename_registers = 0; @@ -1076,6 +1080,8 @@ static const lang_independent_options f_options[] = N_("Enable basic program profiling code") }, {"reorder-blocks", &flag_reorder_blocks, 1, N_("Reorder basic blocks to improve code placement") }, + {"reorder-functions", &flag_reorder_functions, 1, + N_("Reorder functions to improve code placement") }, {"rename-registers", &flag_rename_registers, 1, N_("Do the register renaming optimization pass") }, {"cprop-registers", &flag_cprop_registers, 1, @@ -4657,6 +4663,7 @@ parse_options_and_default_flags (argc, argv) flag_strict_aliasing = 1; flag_delete_null_pointer_checks = 1; flag_reorder_blocks = 1; + flag_reorder_functions = 1; } if (optimize >= 3) |