1  /* Arm BF16 intrinsics include file.
       2  
       3     Copyright (C) 2019-2023 Free Software Foundation, Inc.
       4  
       5     This file is part of GCC.
       6  
       7     GCC is free software; you can redistribute it and/or modify it
       8     under the terms of the GNU General Public License as published
       9     by the Free Software Foundation; either version 3, or (at your
      10     option) any later version.
      11  
      12     GCC is distributed in the hope that it will be useful, but WITHOUT
      13     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
      14     or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
      15     License for more details.
      16  
      17     Under Section 7 of GPL version 3, you are granted additional
      18     permissions described in the GCC Runtime Library Exception, version
      19     3.1, as published by the Free Software Foundation.
      20  
      21     You should have received a copy of the GNU General Public License and
      22     a copy of the GCC Runtime Library Exception along with this program;
      23     see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      24     <http://www.gnu.org/licenses/>.  */
      25  
      26  
      27  #ifndef _GCC_ARM_BF16_H
      28  #define _GCC_ARM_BF16_H 1
      29  
      30  #ifdef __cplusplus
      31  extern "C" {
      32  #endif
      33  
      34  typedef __bf16 bfloat16_t;
      35  typedef float float32_t;
      36  
      37  __extension__ extern __inline float32_t
      38  __attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
      39  vcvtah_f32_bf16 (bfloat16_t __a)
      40  {
      41    return __builtin_neon_vbfcvtbf (__a);
      42  }
      43  
      44  __extension__ extern __inline bfloat16_t
      45  __attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
      46  vcvth_bf16_f32 (float32_t __a)
      47  {
      48    return __builtin_neon_vbfcvtsf (__a);
      49  }
      50  
      51  #ifdef __cplusplus
      52  }
      53  #endif
      54  
      55  #endif