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[Bug tree-optimization/53395] [4.8 Regression] The LAPACK functions i(d|s)amax are more than two times slower after revision 187183
- 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: Fri, 18 May 2012 15:25:13 +0000
- Subject: [Bug tree-optimization/53395] [4.8 Regression] The LAPACK functions i(d|s)amax are more than two times slower after revision 187183
- Auto-submitted: auto-generated
- References: <bug-53395-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53395
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Component|middle-end |tree-optimization
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-05-18 15:25:13 UTC ---
dmax_12 = ABS_EXPR <D.1877_11>;
dmax_2 = dmax_1 >= dmax_12 ? dmax_1 : dmax_12;
__result_idamax_21 = dmax_1 >= dmax_12 ? __result_idamax_22 : i_3;
Hmm, dmax_2 should have been MAX_EXPR.