[Bug target/94954] Wrong code generation for vec_pack_to_short_fp32 builtin for Power

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94954

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Will Schmidt <willschm@gcc.gnu.org>:

https://gcc.gnu.org/g:58b475a2233630b1737bbdab986f08510d62cd3a

commit r11-1643-g58b475a2233630b1737bbdab986f08510d62cd3a
Author: Will Schmidt <will_schmidt@vnet.ibm.com>
Date:   Wed Jun 24 15:28:24 2020 -0500

    [PATCH, PR target/94954] Fix wrong codegen for vec_pack_to_short_fp32()
builtin

    Hi,
      Fix codegen for builtin vec_pack_to_short_fp32.  This includes adding
    a define_insn for xvcvsphp, and adding a new define_expand for
    convert_4f32_8f16.

    2020-06-24  Will Schmidt  <will_schmidt@vnet.ibm.com>

            PR target/94954

            gcc
            * config/rs6000/altivec.h (vec_pack_to_short_fp32): Update.
            * config/rs6000/altivec.md (UNSPEC_CONVERT_4F32_8F16): New unspec.
            (convert_4f32_8f16): New define_expand
            * config/rs6000/rs6000-builtin.def (convert_4f32_8f16): New builtin
define
            and overload.
            * config/rs6000/rs6000-call.c (P9V_BUILTIN_VEC_CONVERT_4F32_8F16):
New
            overloaded builtin entry.
            * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPHP): New unspec.
            (vsx_xvcvsphp): New define_insn.

            gcc/testsuite
            * gcc.target/powerpc/builtins-1-p9-runnable.c: Update.