[Bug target/85456] PowerPC: Using -mabi=ieeelongdouble calls wrong function for __builtin_powi.

[meissner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85456

--- Comment #1 from Michael Meissner <meissner at gcc dot gnu.org> ---
Author: meissner
Date: Fri Apr 20 21:27:08 2018
New Revision: 259533

URL: https://gcc.gnu.org/viewcvs?rev=259533&root=gcc&view=rev
Log:
[libgcc]
2018-04-20  Michael Meissner  <meiss...@linux.ibm.com>

        PR target/85456
        * config/rs6000/_powikf2.c: New file.  Add support for the
        __builtin_powil function when long double is IEEE 128-bit floating
        point.
        * config/rs6000/float128-ifunc.c (__powikf2_resolve): Add
        __powikf2 support.
        (__powikf2): Likewise.
        * config/rs6000/quad-float128.h (__powikf2_sw): Likewise.
        (__powikf2_hw): Likewise.
        (__powikf2): Likewise.
        * config/rs6000/t-float128 (fp128_ppc_funcs): Likewise.
        * config/rs6000/t-float128-hw (fp128_hw_func): Likewise.
        (_powikf2-hw.c): Likewise.

[gcc]
2018-04-20  Michael Meissner  <meiss...@linux.ibm.com>

        PR target/85456
        * config/rs6000/rs6000.c (init_float128_ieee): Add support to call
        __powikf2 when long double is IEEE 128-bit.

[gcc/testsuite]
2018-04-20  Michael Meissner  <meiss...@linux.ibm.com>

        PR target/85456
        * gcc.target/powerpc/pr85456.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/powerpc/pr85456.c
    trunk/libgcc/config/rs6000/_powikf2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/rs6000.c
    trunk/gcc/testsuite/ChangeLog
    trunk/libgcc/ChangeLog
    trunk/libgcc/config/rs6000/float128-ifunc.c
    trunk/libgcc/config/rs6000/quad-float128.h
    trunk/libgcc/config/rs6000/t-float128
    trunk/libgcc/config/rs6000/t-float128-hw