[Bug middle-end/27139] Optimize double INT->FP->INT conversions with -ffast-math

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27139

--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-04-27 
10:34:18 UTC ---
Author: rguenth
Date: Fri Apr 27 10:34:13 2012
New Revision: 186898

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186898
Log:
2012-04-27  Marc Glisse  <marc.gli...@inria.fr>

    PR middle-end/27139
    * tree-ssa-forwprop.c (combine_conversions): Handle INT->FP->INT.

    * gcc.dg/tree-ssa/forwprop-18.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/forwprop-18.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c