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[Bug rtl-optimization/50101] [4.5/4.6 regression] GCC 4.5 and 4.6 generate suboptimal code on ppc for countdown loops when the CTR register cannot be used
- 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: Thu, 15 Dec 2011 20:50:11 +0000
- Subject: [Bug rtl-optimization/50101] [4.5/4.6 regression] GCC 4.5 and 4.6 generate suboptimal code on ppc for countdown loops when the CTR register cannot be used
- Auto-submitted: auto-generated
- References: <bug-50101-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50101
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Target Milestone|--- |4.5.4
Summary|GCC 4.5 and 4.6 generate |[4.5/4.6 regression] GCC
|suboptimal code on ppc for |4.5 and 4.6 generate
|countdown loops when the |suboptimal code on ppc for
|CTR register cannot be used |countdown loops when the
| |CTR register cannot be used