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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, 7 Jun 2011 15:13:01 +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 #12 from William J. Schmidt <wschmidt at gcc dot gnu.org> 2011-06-07 15:12:07 UTC ---
Author: wschmidt
Date: Tue Jun 7 15:12:04 2011
New Revision: 174752
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174752
Log:
2011-06-07 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/46728
* tree-ssa-math-opts.c (gimple_expand_builtin_pow): Change FIXME
to use gimple_val_nonnegative_real_p.
* gimple-fold.c (gimple_val_nonnegative_real_p): New function.
* gimple.h (gimple_val_nonnegative_real_p): New declaration.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimple-fold.c
trunk/gcc/gimple.h
trunk/gcc/tree-ssa-math-opts.c