[Bug target/80246] Builtin's for POWER's dxex[q] and diex[q] use the wrong types

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80246

--- Comment #5 from Peter Bergner <bergner at gcc dot gnu.org> ---
Author: bergner
Date: Thu Mar 30 20:09:32 2017
New Revision: 246596

URL: https://gcc.gnu.org/viewcvs?rev=246596&root=gcc&view=rev
Log:
gcc/
        Backport from mainline
        2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/80246
        * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
        (dfp_diex_<mode>): Update mode of operand 1.
        * doc/extend.texi (dxex, dxexq): Document change to return type.
        (diex, diexq): Document change to argument type.

gcc/testsuite/
        Backport from mainline
        2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/80246
        * gcc.target/powerpc/dfp-builtin-1.c: Remove unneeded dg-skip-if for
        Darwin and SPE.
        (dxex, dxexq): Update return type.
        (diex, diexq): Update argument type.
        * gcc.target/powerpc/pr80246.c: New test.

Added:
    branches/gcc-5-branch/gcc/testsuite/gcc.target/powerpc/pr80246.c
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/config/rs6000/dfp.md
    branches/gcc-5-branch/gcc/doc/extend.texi
    branches/gcc-5-branch/gcc/testsuite/ChangeLog
    branches/gcc-5-branch/gcc/testsuite/gcc.target/powerpc/dfp-builtin-1.c