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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-12-12 22:50:05 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-12-12 22:50:05 +0000 |
| commit | 298a9306b7dab0d8d6b1625a594c564e5c257a10 (patch) | |
| tree | bbc23bebdd972d2b44a70bb56df71f814ddfbac5 /gcc/rtl.h | |
| parent | 790472fc429c2c718ac66568ab167ec84f6577a5 (diff) | |
| download | gcc-298a9306b7dab0d8d6b1625a594c564e5c257a10.tar.gz | |
* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47951 138bc75d-0d04-0410-961f-82ee72b054a4
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)); |