Remove configure tests for FMA4 support

[H.J. Lu]

On Fri, Oct 9, 2015 at 8:13 AM, Joseph Myers <joseph@codesourcery.com> wrote:
> GCC added support for -mfma4 in version 4.5.  Thus the configure tests
> for this support are obsolete, and this patch removes them.
>
> Tested for x86_64 and x86 (testsuite, and that installed stripped
> shared libraries are unchanged by this patch).
>
> 2015-10-09  Joseph Myers  <joseph@codesourcery.com>
>
>         * sysdeps/i386/configure.ac (libc_cv_cc_fma4): Remove configure
>         test.
>         * sysdeps/i386/configure: Regenerated.
>         * sysdeps/x86_64/configure.ac (libc_cv_cc_fma4): Remove configure
>         test.
>         * sysdeps/x86_64/configure: Regenerated.
>         * sysdeps/x86_64/fpu/multiarch/Makefile [$(have-mfma4) = yes]:
>         Make code unconditional.
>         * sysdeps/x86_64/fpu/multiarch/e_asin.c [HAVE_FMA4_SUPPORT]:
>         Likewise.
>         * sysdeps/x86_64/fpu/multiarch/e_atan2.c [HAVE_FMA4_SUPPORT]:
>         Likewise.
>         [!HAVE_FMA4_SUPPORT]: Remove conditional code.
>         * sysdeps/x86_64/fpu/multiarch/e_exp.c [HAVE_FMA4_SUPPORT]: Make
>         code unconditional.
>         [!HAVE_FMA4_SUPPORT]: Remove conditional code.
>         * sysdeps/x86_64/fpu/multiarch/e_log.c [HAVE_FMA4_SUPPORT]: Make
>         code unconditional.
>         [!HAVE_FMA4_SUPPORT]: Remove conditional code.
>         * sysdeps/x86_64/fpu/multiarch/e_pow.c [HAVE_FMA4_SUPPORT]: Make
>         code unconditional.
>         * sysdeps/x86_64/fpu/multiarch/s_atan.c [HAVE_FMA4_SUPPORT]: Make
>         code unconditional.
>         [!HAVE_FMA4_SUPPORT]: Remove conditional code.
>         * sysdeps/x86_64/fpu/multiarch/s_fma.c [HAVE_FMA4_SUPPORT]: Make
>         code unconditional.
>         [!HAVE_FMA4_SUPPORT]: Remove conditional code.
>         * sysdeps/x86_64/fpu/multiarch/s_fmaf.c [HAVE_FMA4_SUPPORT]: Make
>         code unconditional.
>         [!HAVE_FMA4_SUPPORT]: Remove conditional code.
>         * sysdeps/x86_64/fpu/multiarch/s_sin.c [HAVE_FMA4_SUPPORT]: Make
>         code unconditional.
>         [!HAVE_FMA4_SUPPORT]: Remove conditional code.
>         * sysdeps/x86_64/fpu/multiarch/s_tan.c [HAVE_FMA4_SUPPORT]: Make
>         code unconditional.
>         [!HAVE_FMA4_SUPPORT]: Remove conditional code.
>         * config.h.in (HAVE_FMA4_SUPPORT): Remove #undef.
>

OK.

Thanks.

-- 
H.J.