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egcs/gcc ChangeLog.cfg cfglayout.c cfglayout.h ...
- From: hubicka at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: 14 May 2002 11:08:42 -0000
- Subject: egcs/gcc ChangeLog.cfg cfglayout.c cfglayout.h ...
CVSROOT: /cvs/gcc
Module name: egcs
Branch: cfg-branch
Changes by: hubicka@gcc.gnu.org 2002-05-14 04:08:42
Modified files:
gcc : ChangeLog.cfg cfglayout.c cfglayout.h expr.c
loop-new.c loop.h unroll-new.c
Log message:
* cfglayout.c (cfg_layout_redirect_edge): Return false if fails.
* cfglayout.h (cfg_layout_redirect_edge): Declaration changed.
* expr.c (force_operand): Fix.
* loop-new.c (loop_delete_branch_edge): Return false if fails.
(remove_path): Turn into no-op ig loop_delete_branch_edge fails.
* loop.h (struct loop_desc): Add may_be_zero field that is true
if first iteration of loop does not have to pass.
(remove_path): Declaration changed.
* unroll-new.c (variable_initial_value, simple_condition_p,
simple_exit_p): Modified.
(constant_iterations): Extended to handle more loops.
(invariant_in_blocks_p): New.
(peel_loop_completely, unroll_loop_constant_iterations): Handle
may_be_zero flag.
(unroll_or_peel_loop): We no longer may lose simpleness when counting
iterations.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.cfg.diff?cvsroot=gcc&only_with_tag=cfg-branch&r1=1.1.2.164&r2=1.1.2.165
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/cfglayout.c.diff?cvsroot=gcc&only_with_tag=cfg-branch&r1=1.2.2.43&r2=1.2.2.44
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/cfglayout.h.diff?cvsroot=gcc&only_with_tag=cfg-branch&r1=1.1.2.6&r2=1.1.2.7
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/expr.c.diff?cvsroot=gcc&only_with_tag=cfg-branch&r1=1.374.2.18&r2=1.374.2.19
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/loop-new.c.diff?cvsroot=gcc&only_with_tag=cfg-branch&r1=1.1.2.20&r2=1.1.2.21
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/loop.h.diff?cvsroot=gcc&only_with_tag=cfg-branch&r1=1.56.2.14&r2=1.56.2.15
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/unroll-new.c.diff?cvsroot=gcc&only_with_tag=cfg-branch&r1=1.1.2.26&r2=1.1.2.27