[Bug middle-end/19706] Recognize common Fortran usages of copysign.

["tnfchris at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19706

--- Comment #7 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
Author: tnfchris
Date: Wed Aug 23 11:34:59 2017
New Revision: 251304

URL: https://gcc.gnu.org/viewcvs?rev=251304&root=gcc&view=rev
Log:
2017-08-23  Tamar Christina  <tamar.christina@arm.com>

        PR middle-end/19706
        * doc/sourcebuild.texi (Other hardware attributes):
        Document xorsign.


gcc/testsuite
2017-08-23  Tamar Christina  <tamar.christina@arm.com>

        PR middle-end/19706
        * gcc.dg/tree-ssa/pr19706.c: New.
        * lib/target-supports.exp (check_effective_target_xorsign): New.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/doc/sourcebuild.texi
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/lib/target-supports.exp