diff options
| author | Richard Henderson <rth@redhat.com> | 2001-12-12 14:50:05 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2001-12-12 14:50:05 -0800 |
| commit | 8582c27b18b4b930dc202ee851528377e2234348 (patch) | |
| tree | bbc23bebdd972d2b44a70bb56df71f814ddfbac5 /gcc/rtl.h | |
| parent | de76a39c6e0550ed9cfc87a5e9d112f7f8dbefd7 (diff) | |
| download | gcc-8582c27b18b4b930dc202ee851528377e2234348.tar.gz | |
regrename.c (copyprop_hardreg_forward): New optimization.
* regrename.c (copyprop_hardreg_forward): New optimization.
(kill_value_regno, kill_value, init_value_data, kill_clobbered_value,
kill_set_value, kill_autoinc_value, copy_value, find_oldest_value_reg,
replace_oldest_value_reg, replace_oldest_value_addr,
replace_oldest_value_mem, copyprop_hardreg_forward_1,
debug_value_data, validate_value_data): New.
* rtl.h (copyprop_hardreg_forward): Declare.
* toplev.c (flag_cprop_registers): New.
(f_options): Add -fcprop-registers
(rest_of_compilation): Invoke it.
(parse_options_and_default_flags): Set it at -O1.
* doc/invoke.texi: Document it.
From-SVN: r47951
Diffstat (limited to 'gcc/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/rtl.h b/gcc/rtl.h index 0fe43aae370..4c8d1ff7407 100644 --- a/gcc/rtl.h +++ b/gcc/rtl.h @@ -2097,6 +2097,7 @@ extern rtx stack_limit_rtx; /* In regrename.c */ extern void regrename_optimize PARAMS ((void)); +extern void copyprop_hardreg_forward PARAMS ((void)); /* In ifcvt.c */ extern void if_convert PARAMS ((int)); |