diff options
Diffstat (limited to 'include/cglm/simd/sse2/mat3.h')
| -rw-r--r-- | include/cglm/simd/sse2/mat3.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/include/cglm/simd/sse2/mat3.h b/include/cglm/simd/sse2/mat3.h new file mode 100644 index 0000000..f07320c --- /dev/null +++ b/include/cglm/simd/sse2/mat3.h @@ -0,0 +1,76 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +#ifndef cglm_mat3_sse_h +#define cglm_mat3_sse_h +#if defined( __SSE__ ) || defined( __SSE2__ ) + +#include "../../common.h" +#include "../intrin.h" + +CGLM_INLINE +void +glm_mat3_mul_sse2(mat3 m1, mat3 m2, mat3 dest) { + __m128 l0, l1, l2, r0, r1, r2, x0, x1, x2, x3, x4, x5, x6, x7, x8, x9; + + l0 = _mm_loadu_ps(m1[0]); + l1 = _mm_loadu_ps(&m1[1][1]); + + r0 = _mm_loadu_ps(m2[0]); + r1 = _mm_loadu_ps(&m2[1][1]); + + x8 = glmm_shuff1(l0, 0, 2, 1, 0); /* a00 a02 a01 a00 */ + x1 = glmm_shuff1(r0, 3, 0, 0, 0); /* b10 b00 b00 b00 */ + x2 = _mm_shuffle_ps(l0, l1, _MM_SHUFFLE(1, 0, 3, 3)); /* a12 a11 a10 a10 */ + x3 = _mm_shuffle_ps(r0, r1, _MM_SHUFFLE(2, 0, 3, 1)); /* b20 b11 b10 b01 */ + x0 = _mm_mul_ps(x8, x1); + + x6 = glmm_shuff1(l0, 1, 0, 2, 1); /* a01 a00 a02 a01 */ + x7 = glmm_shuff1(x3, 3, 3, 1, 1); /* b20 b20 b10 b10 */ + l2 = _mm_load_ss(&m1[2][2]); + r2 = _mm_load_ss(&m2[2][2]); + x1 = _mm_mul_ps(x6, x7); + l2 = glmm_shuff1(l2, 0, 0, 1, 0); /* a22 a22 0.f a22 */ + r2 = glmm_shuff1(r2, 0, 0, 1, 0); /* b22 b22 0.f b22 */ + + x4 = glmm_shuff1(x2, 0, 3, 2, 0); /* a10 a12 a11 a10 */ + x5 = glmm_shuff1(x2, 2, 0, 3, 2); /* a11 a10 a12 a11 */ + x6 = glmm_shuff1(x3, 2, 0, 0, 0); /* b11 b01 b01 b01 */ + x2 = glmm_shuff1(r1, 3, 3, 0, 0); /* b21 b21 b11 b11 */ + + x8 = _mm_unpackhi_ps(x8, x4); /* a10 a00 a12 a02 */ + x9 = _mm_unpackhi_ps(x7, x2); /* b21 b20 b21 b20 */ + + x0 = glmm_fmadd(x4, x6, x0); + x1 = glmm_fmadd(x5, x2, x1); + + x2 = _mm_movehl_ps(l2, l1); /* a22 a22 a21 a20 */ + x3 = glmm_shuff1(x2, 0, 2, 1, 0); /* a20 a22 a21 a20 */ + x2 = glmm_shuff1(x2, 1, 0, 2, 1); /* a21 a20 a22 a21 */ + x4 = _mm_shuffle_ps(r0, r1, _MM_SHUFFLE(1, 1, 2, 2)); /* b12 b12 b02 b02 */ + + x5 = glmm_shuff1(x4, 3, 0, 0, 0); /* b12 b02 b02 b02 */ + x4 = _mm_movehl_ps(r2, x4); /* b22 b22 b12 b12 */ + x0 = glmm_fmadd(x3, x5, x0); + x1 = glmm_fmadd(x2, x4, x1); + + /* + Dot Product : dest[2][2] = a02 * b20 + + a12 * b21 + + a22 * b22 + + 0 * 00 */ + x2 = _mm_movelh_ps(x8, l2); /* 0.f a22 a12 a02 */ + x3 = _mm_movelh_ps(x9, r2); /* 0.f b22 b21 b20 */ + x2 = glmm_vdots(x2, x3); + + _mm_storeu_ps(&dest[0][0], x0); + _mm_storeu_ps(&dest[1][1], x1); + _mm_store_ss (&dest[2][2], x2); +} + +#endif +#endif /* cglm_mat3_sse_h */ |