This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug debug/54551] DF resets some DEBUG_INSNs unnecessarily
- From: "aoliva at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 29 Oct 2012 19:27:39 +0000
- Subject: [Bug debug/54551] DF resets some DEBUG_INSNs unnecessarily
- Auto-submitted: auto-generated
- References: <bug-54551-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54551
--- Comment #7 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2012-10-29 19:27:39 UTC ---
Author: aoliva
Date: Mon Oct 29 19:27:31 2012
New Revision: 192959
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192959
Log:
PR debug/54551
PR debug/54693
* valtrack.c (dead_debug_global_find): Accept NULL dtemp.
(dead_debug_global_insert): Return new entry.
(dead_debug_global_replace_temp): Return early if REG is no
longer in place, or if dtemp was already substituted.
(dead_debug_promote_uses): Insert for all defs and replace all
debug uses at once.
(dead_debug_local_finish): Release used after promotion.
(dead_debug_insert_temp): Stop if dtemp is NULL.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/valtrack.c