gcc/config/arm/arm_bf16.h

   1 /* Arm BF16 intrinsics include file.
   2
   3    Copyright (C) 2019-2021 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