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simd: optimize glm_mat4_zero() with simd

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Recep Aslantas
2021-04-30 04:04:27 +03:00
parent f35badd436
commit ba634d6c83
1 changed files with 21 additions and 0 deletions
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21
include/cglm/mat4.h
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@@ -187,8 +187,29 @@ glm_mat4_identity_array(mat4 * __restrict mat, size_t count) {
CGLM_INLINE CGLM_INLINE
void void
glm_mat4_zero(mat4 mat) { glm_mat4_zero(mat4 mat) {
#ifdef __AVX__
__m256 y0;
y0 = _mm256_setzero_ps();
glmm_store256(mat[0], y0);
glmm_store256(mat[2], y0);
#elif defined( __SSE__ ) || defined( __SSE2__ )
glmm_128 x0;
x0 = _mm_setzero_ps();
glmm_store(mat[0], x0);
glmm_store(mat[1], x0);
glmm_store(mat[2], x0);
glmm_store(mat[3], x0);
#elif defined(CGLM_NEON_FP)
glmm_128 x0;
x0 = vdupq_n_f32(0.0f);
vst1q_f32(mat[0], x0);
vst1q_f32(mat[1], x0);
vst1q_f32(mat[2], x0);
vst1q_f32(mat[3], x0);
#else
CGLM_ALIGN_MAT mat4 t = GLM_MAT4_ZERO_INIT; CGLM_ALIGN_MAT mat4 t = GLM_MAT4_ZERO_INIT;
glm_mat4_copy(t, mat); glm_mat4_copy(t, mat);
#endif
} }
/*! /*!