GEEKING

Base/include/simd/simd_platform.h

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+#pragma once
+
+#include <boost/cstdint.hpp>
+#include <boost/static_assert.hpp>
+#include <stdint.h>
+
+#if defined( __i386__ ) || defined( _M_IX86 ) // __i386__ on clang, _M_IX86 on MVC
+#define RBX_SIMD_X86 
+#endif
+
+#if defined( __x86_64__ ) || defined( _M_X64 ) // __x86_64__ on clang, _M_X64 on MVC
+#define RBX_SIMD_X64
+#endif
+
+#if defined( __ARM_NEON ) || defined( __arm__ ) || defined( _M_ARM ) // __ARM_NEON on apple clang for iOS, __arm__ on GCC, _M_ARM in MVC for Windows Phone
+#define RBX_SIMD_ARM
+#endif
+
+#if defined( RBX_SIMD_X86 ) || defined( RBX_SIMD_X64 )
+#define RBX_SIMD_USE_SSE
+#elif defined( RBX_SIMD_ARM )
+#define RBX_SIMD_USE_NEON
+#endif
+
+#ifdef RBX_SIMD_USE_SSE
+#include <xmmintrin.h>
+#include <emmintrin.h>
+#include <mmintrin.h>
+#endif
+
+#ifdef RBX_SIMD_USE_NEON
+#include <arm_neon.h>
+#endif
+
+#define RBX_SIMD_ALIGN_ASSERT( p, a ) RBXASSERT_VERY_FAST( ( ( uint64_t )( p ) & ( a - 1 ) ) == 0 )
+
+#ifdef _MSC_VER
+#define RBX_SIMD_INLINE __forceinline
+#elif defined( __clang__ ) || defined( __GNUC__ )
+#define RBX_SIMD_INLINE inline __attribute__((always_inline))
+#else
+#define RBX_SIMD_INLINE inline
+#endif
+
+namespace RBX
+{
+
+namespace simd
+{
+
+namespace details
+{
+#if defined( RBX_SIMD_USE_SSE )
+    typedef __m128 vec4f_t;
+    typedef __m128i vec4i_t;
+    typedef __m128i vec4u_t;
+#elif defined( RBX_SIMD_USE_NEON )
+    typedef float32x4_t vec4f_t;
+    typedef int32x4_t vec4i_t;
+    typedef uint32x4_t vec4u_t;
+#endif
+
+template< class ScalarType >
+struct VectorTypeSelect;
+
+template< >
+struct VectorTypeSelect< float >
+{
+    typedef vec4f_t type;
+};
+
+template< >
+struct VectorTypeSelect< int32_t >
+{
+    typedef vec4i_t type;
+};
+
+template< >
+struct VectorTypeSelect< uint32_t >
+{
+    typedef vec4u_t type;
+};
+
+}
+
+}
+
+}