diff options
| author | dje <dje@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-03-03 16:32:45 +0000 |
|---|---|---|
| committer | dje <dje@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-03-03 16:32:45 +0000 |
| commit | 839f841511dc0908d11199c48add0335fd068928 (patch) | |
| tree | a9a88dd3608db538ae3d670cde68145ab19f3038 /gcc/opts.c | |
| parent | 399d212bf0da5ed1e49763af597f5cdbcdc40acf (diff) | |
| download | gcc-839f841511dc0908d11199c48add0335fd068928.tar.gz | |
2004-03-03 Mostafa Hagog <mustafa@il.ibm.com>
* common.opt: Add description of the new -fgcse-after-reload flag.
* flags.h (flag_gcse_after_reload): Declaration of global variable.
* gcse.c (reg_used_on_edge ,reg_set_between_after_reload_p,
reg_used_between_after_reload_p, rtx get_avail_load_store_reg,
is_jump_table_basic_block, bb_has_well_behaved_predecessors,
get_bb_avail_insn, hash_scan_set_after_reload,
compute_hash_table_after_reload, eliminate_partially_redundant_loads,
gcse_after_reload, get_bb_avail_insn): New functions to implement
gcse-after-reload.
(gcse_after_reload_main): New function, the main entry point to
gcse-after-reload.
* rtl.h (gcse_after_reload_main): Declaration of the new function.
* opts.c (common_handle_option): Handle the -fgcse-after-reload flag.
* toplev.c (flag_gcse_after_reload): Initialization.
* passes.c (rest_of_handl_gcse2): Call gcse_after_reload_main.
* params.def (PARAM_GCSE_AFTER_RELOAD_PARTIAL_FRACTION,
PARAM_GCSE_AFTER_RELOAD_CRITICAL_FRACTION): New parameters for tuning
the gcse after reload optimization.
* params.h (GCSE_AFTER_RELOAD_PARTIAL_FRACTION,
GCSE_AFTER_RELOAD_CRITICAL_FRACTION): Two macros to access the tuning
parameters.
* doc/invoke.texi: Documentation for the new flag gcse-after-reload.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@78842 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/opts.c')
| -rw-r--r-- | gcc/opts.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/opts.c b/gcc/opts.c index a4267f87723..fa1971cd651 100644 --- a/gcc/opts.c +++ b/gcc/opts.c @@ -574,6 +574,7 @@ decode_options (unsigned int argc, const char **argv) flag_rename_registers = 1; flag_unswitch_loops = 1; flag_web = 1; + flag_gcse_after_reload = 1; } if (optimize < 2 || optimize_size) @@ -1035,6 +1036,10 @@ common_handle_option (size_t scode, const char *arg, flag_gcse_sm = value; break; + case OPT_fgcse_after_reload: + flag_gcse_after_reload = value; + break; + case OPT_fgcse_las: flag_gcse_las = value; break; |