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gcc/gcc ChangeLog cfgloop.h cfgloopanal.c
- From: rakdver at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: 5 Nov 2003 18:10:44 -0000
- Subject: gcc/gcc ChangeLog cfgloop.h cfgloopanal.c
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: rakdver@gcc.gnu.org 2003-11-05 18:10:44
Modified files:
gcc : ChangeLog cfgloop.h cfgloopanal.c
Log message:
* cfgloopanal.c (variable_initial_value, variable_initial_values,
simple_loop_exit_p): Record the fact that initial value is extended
from inner mode.
(count_strange_loop_iterations, count_loop_iterations): Handle
ivs that iterate in a narrower mode. Fix handling of overflows.
Improve handling of NE conditions.
(inverse, fits_in_mode_p): New static functions.
(simple_increment): Detect variables that iterate in a narrower mode.
* cfgloop.h (struct loop_desc): Fields inner_mode and extend added.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.1674&r2=2.1675
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgloop.h.diff?cvsroot=gcc&r1=1.10&r2=1.11
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgloopanal.c.diff?cvsroot=gcc&r1=1.14&r2=1.15