[Bug middle-end/65758] [6 Regression] 191.fma3d in SPEC CPU 200 failed to build

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65758

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Apr 14 12:17:05 2015
New Revision: 222085

URL: https://gcc.gnu.org/viewcvs?rev=222085&root=gcc&view=rev
Log:
2015-04-14  Richard Biener  <rguent...@suse.de>

    PR tree-optimization/65758
    * tree-ssa-ccp.c (get_value_from_alignment): Adjust mask test
    against -1.
    (ccp_lattice_meet): Likewise.
    (bit_value_unop): Likewise.
    (bit_value_binop): Likewise.
    (bit_value_assume_aligned): Likewise.

    * gfortran.fortran-torture/compile/pr65758.f90: New testcase.

Added:
    trunk/gcc/testsuite/gfortran.fortran-torture/compile/pr65758.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-ccp.c