diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.c')
-rw-r--r-- | sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.c b/sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.c new file mode 100644 index 0000000000..28d18b93af --- /dev/null +++ b/sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.c @@ -0,0 +1,37 @@ +/* signbit ifunc resolver, Linux/sparc64 version. + Copyright (C) 2017-2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#define __signbit __redirect_signbit +#include <math.h> +#undef __signbit + +#include <sparc-ifunc.h> + +extern __typeof (__redirect_signbit) __signbit_vis3 attribute_hidden; +extern __typeof (__redirect_signbit) __signbit_generic attribute_hidden; + +sparc_libm_ifunc_redirected (__redirect_signbit, __signbit, + hwcap & HWCAP_SPARC_VIS3 + ? __signbit_vis3 + : __signbit_generic); + +/* On 64-bit the double version will also always work for + long-double-precision since in both cases the word with the + sign bit in it is passed always in register %f0. */ +strong_alias (__signbit, __signbitl) +sparc_ifunc_redirected_hidden_def (__redirect_signbit, __signbitl) |