Files
test2/source/blender/blenlib/BLI_simd.hh
Brecht Van Lommel e2e1984e60 Refactor: Convert remainder of blenlib to C++
A few headers like BLI_math_constants.h and BLI_utildefines.h keep working
for C code, for remaining makesdna and userdef defaults code in C.

Pull Request: https://projects.blender.org/blender/blender/pulls/134406
2025-02-12 23:01:08 +01:00

46 lines
1.1 KiB
C++

/* SPDX-FileCopyrightText: 2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
/** \file
* \ingroup bli
*
* SIMD instruction support.
*/
#if (defined(__ARM_NEON) || (defined(_M_ARM64) && defined(_MSC_VER))) && \
defined(WITH_SSE2NEON) && !defined(DISABLE_SSE2NEON)
/* SSE/SSE2 emulation on ARM Neon. Match SSE precision. */
# if !defined(SSE2NEON_PRECISE_MINMAX)
# define SSE2NEON_PRECISE_MINMAX 1
# endif
# if !defined(SSE2NEON_PRECISE_DIV)
# define SSE2NEON_PRECISE_DIV 1
# endif
# if !defined(SSE2NEON_PRECISE_SQRT)
# define SSE2NEON_PRECISE_SQRT 1
# endif
# include <sse2neon.h>
# define BLI_HAVE_SSE2 1
#elif defined(__SSE2__)
/* Native SSE2 on Intel/AMD. */
# include <emmintrin.h>
# define BLI_HAVE_SSE2 1
#else
# define BLI_HAVE_SSE2 0
#endif
#if (defined(__ARM_NEON) || (defined(_M_ARM64) && defined(_MSC_VER))) && \
defined(WITH_SSE2NEON) && !defined(DISABLE_SSE2NEON)
/* SSE4 is emulated via sse2neon. */
# define BLI_HAVE_SSE4 1
#elif defined(__SSE4_2__)
/* Native SSE4.2. */
# include <nmmintrin.h>
# define BLI_HAVE_SSE4 1
#else
# define BLI_HAVE_SSE4 0
#endif