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[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, 13 Feb 2012 00:44:11 +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
--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-02-13 00:44:11 UTC ---
I have a patch which adds this optimization to fold. And a partial patch which
adds some of it to forwprop but that fails because we have to create a temp
variable.