This is the mail archive of the gcc-bugs@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[Bug tree-optimization/21173] [4.0/4.1 regression] miscompiled pointer subtraction broke Linux kernel


------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-04-25 13:59 -------
Subject: Bug 21173

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	dberlin@gcc.gnu.org	2005-04-25 13:59:39

Modified files:
	gcc            : ChangeLog tree-ssa-pre.c 

Log message:
	2005-04-25  Steven Bosscher  <stevenb@suse.de>
	
	Fix PR tree-optimization/21173
	
	* tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
	Unshare expression we pass to force_gimple_operand.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8450&r2=2.8451
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-pre.c.diff?cvsroot=gcc&r1=2.81&r2=2.82



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21173


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]