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[Bug tree-optimization/46728] GCC does not generate fmadd for pow (x, 0.75)+y on powerpc
- From: "wschmidt at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 24 May 2011 18:20:12 +0000
- Subject: [Bug tree-optimization/46728] GCC does not generate fmadd for pow (x, 0.75)+y on powerpc
- Auto-submitted: auto-generated
- References: <bug-46728-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46728
--- Comment #4 from William J. Schmidt <wschmidt at gcc dot gnu.org> 2011-05-24 18:02:27 UTC ---
Author: wschmidt
Date: Tue May 24 18:02:22 2011
New Revision: 174129
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174129
Log:
2011-05-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/46728
* tree-ssa-math-opts.c (powi_table): New.
(powi_lookup_cost): New.
(powi_cost): New.
(powi_as_mults_1): New.
(powi_as_mults): New.
(gimple_expand_builtin_powi): New.
(execute_cse_sincos): Add switch case for BUILT_IN_POWI.
(gate_cse_sincos): Remove sincos/cexp restriction.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-math-opts.c