diff options
Diffstat (limited to 'sysdeps/aarch64/fpu/vecmath_config.h')
| -rw-r--r-- | sysdeps/aarch64/fpu/vecmath_config.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/aarch64/fpu/vecmath_config.h b/sysdeps/aarch64/fpu/vecmath_config.h new file mode 100644 index 0000000000..d0bdbb4ae8 --- /dev/null +++ b/sysdeps/aarch64/fpu/vecmath_config.h @@ -0,0 +1,38 @@ +/* Configuration for libmvec routines. + Copyright (C) 2023 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 + <https://www.gnu.org/licenses/>. */ + +#ifndef _VECMATH_CONFIG_H +#define _VECMATH_CONFIG_H + +#include <math_private.h> + +/* Deprecated config option from Arm Optimized Routines which ensures + fp exceptions are correctly triggered. This is not intended to be + supported in GLIBC, however we keep it for ease of development. */ +#define WANT_SIMD_EXCEPT 0 + +/* Return ptr but hide its value from the compiler so accesses through it + cannot be optimized based on the contents. */ +#define ptr_barrier(ptr) \ + ({ \ + __typeof (ptr) __ptr = (ptr); \ + __asm("" : "+r"(__ptr)); \ + __ptr; \ + }) + +#endif |