This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/31531] A microoptimization of isnegative of signed integer
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 18 Jul 2011 22:47:59 +0000
- Subject: [Bug middle-end/31531] A microoptimization of isnegative of signed integer
- Auto-submitted: auto-generated
- References: <bug-31531-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31531
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |TREE
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-07-18 22:46:55 UTC ---
All the functions produce the same assembler output in 4.6.1 on x86. Only
isnegative_optimized_4 produces a difference on some targets (and a difference
IR coming into expand).