gcc/gcc ChangeLog cfg.c tree-cfg.c testsuite/C ...

[hubicka@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	hubicka@gcc.gnu.org	2005-07-28 07:41:30

Modified files:
	gcc            : ChangeLog cfg.c tree-cfg.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.dg/tree-prof: update-loopch.c 

Log message:
	* cfg.c (update_bb_profile_for_threading): Use RDIV.
	(scale_bbs_frequencies_int): Likewise, assert for possible overflow.
	(scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
	roundoff errors.
	* tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
	profile when available.
	* update-loopch.c: New testcase.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9578&r2=2.9579
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfg.c.diff?cvsroot=gcc&r1=1.101&r2=1.102
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-cfg.c.diff?cvsroot=gcc&r1=2.211&r2=2.212
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5834&r2=1.5835
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-prof/update-loopch.c.diff?cvsroot=gcc&r1=NONE&r2=1.1