This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/36713] [4.4 regression] r137252 breaks -O2 optimization on x86_64-unknown-linux-gnu
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Jul 2008 15:12:15 -0000
- Subject: [Bug target/36713] [4.4 regression] r137252 breaks -O2 optimization on x86_64-unknown-linux-gnu
- References: <bug-36713-13648@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #23 from rguenth at gcc dot gnu dot org 2008-07-07 15:12 -------
Subject: Bug 36713
Author: rguenth
Date: Mon Jul 7 15:11:29 2008
New Revision: 137571
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=137571
Log:
2008-07-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36713
* tree-flow-inline.h (is_call_used): New function.
* tree-nrv.c (dest_safe_for_nrv_p): Use it.
* tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
* tree-outof-ssa.c (create_temp): Set call-used flag if required.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-flow-inline.h
trunk/gcc/tree-nrv.c
trunk/gcc/tree-outof-ssa.c
trunk/gcc/tree-tailcall.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36713