include/bits/math-vector.h

   1 /* Platform-specific SIMD declarations of math functions.
   2    Copyright (C) 2014-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _MATH_H
  20 # error "Never include <bits/math-vector.h> directly;\
  21  include <math.h> instead."
  22 #endif
  23
  24 /* Get default empty definitions for simd declarations.  */
  25 #include <bits/libm-simd-decl-stubs.h>
  26
  27 #if defined __x86_64__ && defined __FAST_MATH__
  28 # if defined _OPENMP && _OPENMP >= 201307
  29 /* OpenMP case.  */
  30 #  define __DECL_SIMD_x86_64 _Pragma ("omp declare simd notinbranch")
  31 # elif __GNUC_PREREQ (6,0)
  32 /* W/o OpenMP use GCC 6.* __attribute__ ((__simd__)).  */
  33 #  define __DECL_SIMD_x86_64 __attribute__ ((__simd__ ("notinbranch")))
  34 # endif
  35
  36 # ifdef __DECL_SIMD_x86_64
  37 #  undef __DECL_SIMD_cos
  38 #  define __DECL_SIMD_cos __DECL_SIMD_x86_64
  39 #  undef __DECL_SIMD_cosf
  40 #  define __DECL_SIMD_cosf __DECL_SIMD_x86_64
  41 #  undef __DECL_SIMD_sin
  42 #  define __DECL_SIMD_sin __DECL_SIMD_x86_64
  43 #  undef __DECL_SIMD_sinf
  44 #  define __DECL_SIMD_sinf __DECL_SIMD_x86_64
  45 #  undef __DECL_SIMD_sincos
  46 #  define __DECL_SIMD_sincos __DECL_SIMD_x86_64
  47 #  undef __DECL_SIMD_sincosf
  48 #  define __DECL_SIMD_sincosf __DECL_SIMD_x86_64
  49 #  undef __DECL_SIMD_log
  50 #  define __DECL_SIMD_log __DECL_SIMD_x86_64
  51 #  undef __DECL_SIMD_logf
  52 #  define __DECL_SIMD_logf __DECL_SIMD_x86_64
  53 #  undef __DECL_SIMD_exp
  54 #  define __DECL_SIMD_exp __DECL_SIMD_x86_64
  55 #  undef __DECL_SIMD_expf
  56 #  define __DECL_SIMD_expf __DECL_SIMD_x86_64
  57 #  undef __DECL_SIMD_pow
  58 #  define __DECL_SIMD_pow __DECL_SIMD_x86_64
  59 #  undef __DECL_SIMD_powf
  60 #  define __DECL_SIMD_powf __DECL_SIMD_x86_64
  61
  62 # endif
  63 #endif