1  /* Scalar wrapper for vpcs-enabled Advanced SIMD vector math functions.
       2  
       3     Copyright (C) 2023 Free Software Foundation, Inc.
       4     This file is part of the GNU C Library.
       5  
       6     The GNU C Library is free software; you can redistribute it and/or
       7     modify it under the terms of the GNU Lesser General Public
       8     License as published by the Free Software Foundation; either
       9     version 2.1 of the License, or (at your option) any later version.
      10  
      11     The GNU C Library is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public
      17     License along with the GNU C Library; if not, see
      18     <https://www.gnu.org/licenses/>.  */
      19  
      20  #define VPCS_VECTOR_WRAPPER(scalar_func, vector_func)                         \
      21    extern __attribute__ ((aarch64_vector_pcs))                                 \
      22    VEC_TYPE vector_func (VEC_TYPE);                                            \
      23    FLOAT scalar_func (FLOAT x)                                                 \
      24    {                                                                           \
      25      int i;                                                                    \
      26      VEC_TYPE mx;                                                              \
      27      INIT_VEC_LOOP (mx, x, VEC_LEN);                                           \
      28      VEC_TYPE mr = vector_func (mx);                                           \
      29      TEST_VEC_LOOP (mr, VEC_LEN);                                              \
      30      return ((FLOAT) mr[0]);                                                   \
      31    }