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

[aldyh at gcc dot gnu.org]

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

--- Comment #8 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Author: aldyh
Date: Wed Sep 13 16:40:39 2017
New Revision: 252346

URL: https://gcc.gnu.org/viewcvs?rev=252346&root=gcc&view=rev
Log:
2017-08-08  Tamar Christina  <tamar.christina@arm.com>
            Andrew Pinski <pinskia@gmail.com>

        PR middle-end/19706
        * internal-fn.def (XORSIGN): New.
        * optabs.def (xorsign_optab): New.
        * tree-ssa-math-opts.c (is_copysign_call_with_1): New.
        (convert_expand_mult_copysign): New.
        (pass_optimize_widening_mul::execute): Call
convert_expand_mult_copysign.

Modified:
    branches/range-gen2/gcc/ChangeLog
    branches/range-gen2/gcc/internal-fn.def
    branches/range-gen2/gcc/optabs.def
    branches/range-gen2/gcc/tree-ssa-math-opts.c