[Bug tree-optimization/46726] x*x has different cost than pow(x,2) with -ffast-math

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46726

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-12-07 
10:43:42 UTC ---
Author: rguenth
Date: Tue Dec  7 10:43:38 2010
New Revision: 167531

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167531
Log:
2010-12-07  Richard Guenther  <rguent...@suse.de>

    PR tree-optimization/46726
    * tree-inline.c (estimate_num_insns): Special case pow (x, 2.0).

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-inline.c