mirror of https://github.com/libsdl-org/SDL
160 lines
6.1 KiB
C
160 lines
6.1 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/*
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* Header file for CPU intrinsics for SDL
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*/
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#ifndef SDL_intrin_h_
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#define SDL_intrin_h_
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#include <SDL3/SDL_stdinc.h>
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/* Need to do this here because intrin.h has C++ code in it */
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/* Visual Studio 2005 has a bug where intrin.h conflicts with winnt.h */
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#if defined(_MSC_VER) && (_MSC_VER >= 1500) && (defined(_M_IX86) || defined(_M_X64))
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#ifdef __clang__
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/* As of Clang 11, '_m_prefetchw' is conflicting with the winnt.h's version,
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so we define the needed '_m_prefetch' here as a pseudo-header, until the issue is fixed. */
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#ifndef __PRFCHWINTRIN_H
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#define __PRFCHWINTRIN_H
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static __inline__ void __attribute__((__always_inline__, __nodebug__))
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_m_prefetch(void *__P)
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{
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__builtin_prefetch (__P, 0, 3 /* _MM_HINT_T0 */);
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}
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#endif /* __PRFCHWINTRIN_H */
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#endif /* __clang__ */
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#include <intrin.h>
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#elif defined(__MINGW64_VERSION_MAJOR)
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#include <intrin.h>
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#if defined(__ARM_NEON) && !defined(SDL_DISABLE_NEON)
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# define SDL_NEON_INTRINSICS 1
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# include <arm_neon.h>
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#endif
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#else
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/* altivec.h redefining bool causes a number of problems, see bugs 3993 and 4392, so you need to explicitly define SDL_ENABLE_ALTIVEC to have it included. */
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#if defined(__ALTIVEC__) && defined(SDL_ENABLE_ALTIVEC)
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#define SDL_ALTIVEC_INTRINSICS 1
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#include <altivec.h>
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#endif
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#ifndef SDL_DISABLE_NEON
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# ifdef __ARM_NEON
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# define SDL_NEON_INTRINSICS 1
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# include <arm_neon.h>
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# elif defined(SDL_PLATFORM_WINDOWS)
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/* Visual Studio doesn't define __ARM_ARCH, but _M_ARM (if set, always 7), and _M_ARM64 (if set, always 1). */
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# ifdef _M_ARM
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# define SDL_NEON_INTRINSICS 1
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# include <armintr.h>
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# include <arm_neon.h>
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# define __ARM_NEON 1 /* Set __ARM_NEON so that it can be used elsewhere, at compile time */
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# endif
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# if defined (_M_ARM64)
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# define SDL_NEON_INTRINSICS 1
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# include <arm64intr.h>
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# include <arm64_neon.h>
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# define __ARM_NEON 1 /* Set __ARM_NEON so that it can be used elsewhere, at compile time */
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# define __ARM_ARCH 8
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# endif
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# endif
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#endif
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#endif /* compiler version */
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#if defined(__clang__) && defined(__has_attribute)
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# if __has_attribute(target)
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# define SDL_HAS_TARGET_ATTRIBS
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# endif
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#elif defined(__GNUC__) && (__GNUC__ + (__GNUC_MINOR__ >= 9) > 4) /* gcc >= 4.9 */
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# define SDL_HAS_TARGET_ATTRIBS
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#elif defined(__ICC) && __ICC >= 1600
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# define SDL_HAS_TARGET_ATTRIBS
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#endif
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#ifdef SDL_HAS_TARGET_ATTRIBS
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# define SDL_TARGETING(x) __attribute__((target(x)))
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#else
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# define SDL_TARGETING(x)
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#endif
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#ifdef __loongarch64
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# ifndef SDL_DISABLE_LSX
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# define SDL_LSX_INTRINSICS 1
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# include <lsxintrin.h>
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# endif
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# ifndef SDL_DISABLE_LASX
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# define SDL_LASX_INTRINSICS 1
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# include <lasxintrin.h>
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# endif
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#endif
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#if defined(__x86_64__) || defined(_M_X64) || defined(__i386__) || defined(_M_IX86)
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# if ((defined(_MSC_VER) && !defined(_M_X64)) || defined(__MMX__) || defined(SDL_HAS_TARGET_ATTRIBS)) && !defined(SDL_DISABLE_MMX)
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# define SDL_MMX_INTRINSICS 1
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# include <mmintrin.h>
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# endif
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# if (defined(_MSC_VER) || defined(__SSE__) || defined(SDL_HAS_TARGET_ATTRIBS)) && !defined(SDL_DISABLE_SSE)
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# define SDL_SSE_INTRINSICS 1
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# include <xmmintrin.h>
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# endif
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# if (defined(_MSC_VER) || defined(__SSE2__) || defined(SDL_HAS_TARGET_ATTRIBS)) && !defined(SDL_DISABLE_SSE2)
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# define SDL_SSE2_INTRINSICS 1
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# include <emmintrin.h>
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# endif
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# if (defined(_MSC_VER) || defined(__SSE3__) || defined(SDL_HAS_TARGET_ATTRIBS)) && !defined(SDL_DISABLE_SSE3)
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# define SDL_SSE3_INTRINSICS 1
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# include <pmmintrin.h>
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# endif
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# if (defined(_MSC_VER) || defined(__SSE4_1__) || defined(SDL_HAS_TARGET_ATTRIBS)) && !defined(SDL_DISABLE_SSE4_1)
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# define SDL_SSE4_1_INTRINSICS 1
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# include <smmintrin.h>
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# endif
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# if (defined(_MSC_VER) || defined(__SSE4_2__) || defined(SDL_HAS_TARGET_ATTRIBS)) && !defined(SDL_DISABLE_SSE4_2)
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# define SDL_SSE4_2_INTRINSICS 1
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# include <nmmintrin.h>
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# endif
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# if defined(__clang__) && (defined(_MSC_VER) || defined(__SCE__)) && !defined(__AVX__) && !defined(SDL_DISABLE_AVX)
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# define SDL_DISABLE_AVX /* see https://reviews.llvm.org/D20291 and https://reviews.llvm.org/D79194 */
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# endif
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# if (defined(_MSC_VER) || defined(__AVX__) || defined(SDL_HAS_TARGET_ATTRIBS)) && !defined(_M_ARM64EC) && !defined(SDL_DISABLE_AVX)
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# define SDL_AVX_INTRINSICS 1
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# include <immintrin.h>
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# endif
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# if defined(__clang__) && (defined(_MSC_VER) || defined(__SCE__)) && !defined(__AVX2__) && !defined(SDL_DISABLE_AVX2)
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# define SDL_DISABLE_AVX2 /* see https://reviews.llvm.org/D20291 and https://reviews.llvm.org/D79194 */
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# endif
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# if (defined(_MSC_VER) || defined(__AVX2__) || defined(SDL_HAS_TARGET_ATTRIBS)) && !defined(_M_ARM64EC) && !defined(SDL_DISABLE_AVX2)
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# define SDL_AVX2_INTRINSICS 1
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# include <immintrin.h>
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# endif
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# if defined(__clang__) && (defined(_MSC_VER) || defined(__SCE__)) && !defined(__AVX512F__) && !defined(SDL_DISABLE_AVX512F)
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# define SDL_DISABLE_AVX512F /* see https://reviews.llvm.org/D20291 and https://reviews.llvm.org/D79194 */
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# endif
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# if (defined(_MSC_VER) || defined(__AVX512F__) || defined(SDL_HAS_TARGET_ATTRIBS)) && !defined(_M_ARM64EC) && !defined(SDL_DISABLE_AVX512F)
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# define SDL_AVX512F_INTRINSICS 1
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# include <immintrin.h>
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# endif
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#endif /* defined(__x86_64__) || defined(_M_X64) || defined(__i386__) || defined(_M_IX86) */
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#endif /* SDL_intrin_h_ */
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