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63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/*
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* Copyright (c), Recep Aslantas.
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*
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* MIT License (MIT), http://opensource.org/licenses/MIT
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* Full license can be found in the LICENSE file
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*/
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#ifndef cglm_intrin_h
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#define cglm_intrin_h
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#if defined( _WIN32 )
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# if (defined(_M_AMD64) || defined(_M_X64)) || _M_IX86_FP == 2
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# define __SSE2__
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# elif _M_IX86_FP == 1
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# define __SSE__
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# endif
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#endif
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#if defined( __SSE__ ) || defined( __SSE2__ )
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# include <xmmintrin.h>
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# include <emmintrin.h>
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/* float */
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# define _mm_shuffle1_ps(a, z, y, x, w) \
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_mm_shuffle_ps(a, a, _MM_SHUFFLE(z, y, x, w))
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# define _mm_shuffle1_ps1(a, x) \
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_mm_shuffle_ps(a, a, _MM_SHUFFLE(x, x, x, x))
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# define _mm_shuffle2_ps(a, b, z0, y0, x0, w0, z1, y1, x1, w1) \
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_mm_shuffle1_ps(_mm_shuffle_ps(a, b, _MM_SHUFFLE(z0, y0, x0, w0)), \
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z1, y1, x1, w1)
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CGLM_INLINE
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__m128
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glm_simd_dot(__m128 a, __m128 b) {
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__m128 x0;
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x0 = _mm_mul_ps(a, b);
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x0 = _mm_add_ps(x0, _mm_shuffle1_ps(x0, 1, 0, 3, 2));
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return _mm_add_ps(x0, _mm_shuffle1_ps(x0, 0, 1, 0, 1));
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}
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#endif
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/* x86, x64 */
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#if defined( __SSE__ ) || defined( __SSE2__ )
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# define CGLM_SSE_FP 1
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#endif
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#ifdef __AVX__
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# define CGLM_AVX_FP 1
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#endif
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/* ARM Neon */
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#if defined(__ARM_NEON) && defined(__ARM_NEON_FP)
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# include <arm_neon.h>
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# define CGLM_NEON_FP 1
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#else
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# undef CGLM_NEON_FP
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#endif
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#endif /* cglm_intrin_h */
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