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blender-archive/source/blender/blenlib/BLI_simd.h
Campbell Barton c434782e3a File headers: SPDX License migration
Use a shorter/simpler license convention, stops the header taking so
much space.

Follow the SPDX license specification: https://spdx.org/licenses

- C/C++/objc/objc++
- Python
- Shell Scripts
- CMake, GNUmakefile

While most of the source tree has been included

- `./extern/` was left out.
- `./intern/cycles` & `./intern/atomic` are also excluded because they
  use different header conventions.

doc/license/SPDX-license-identifiers.txt has been added to list SPDX all
used identifiers.

See P2788 for the script that automated these edits.

Reviewed By: brecht, mont29, sergey

Ref D14069
2022-02-11 09:14:36 +11:00

23 lines
498 B
C++

/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
/** \file
* \ingroup bli
*
* SIMD instruction support.
*/
#if defined(__ARM_NEON) && defined(WITH_SSE2NEON)
/* SSE/SSE2 emulation on ARM Neon. Match SSE precision. */
# define SSE2NEON_PRECISE_MINMAX 1
# define SSE2NEON_PRECISE_DIV 1
# define SSE2NEON_PRECISE_SQRT 1
# include <sse2neon.h>
# define BLI_HAVE_SSE2
#elif defined(__SSE2__)
/* Native SSE2 on Intel/AMD. */
# include <emmintrin.h>
# define BLI_HAVE_SSE2
#endif