37 lines
1.6 KiB
C
37 lines
1.6 KiB
C
#include "sn_intrinsic.h"
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INTERNAL void SN_DECL kernel_fma_sse(mat_kernel const *restrict left,
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mat_kernel const *restrict right, mat_kernel *restrict ans)
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{
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register __m128 source0 = _mm_load_ps(&left->xmm[0]);
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register __m128 source1 = _mm_load_ps(&left->xmm[1]);
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register __m128 source2 = _mm_load_ps(&left->xmm[2]);
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register __m128 source3 = _mm_load_ps(&left->xmm[3]);
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register __m128 broadcast;
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register __m128 ans0 = _mm_setzero_ps();
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register __m128 ans1 = _mm_setzero_ps();
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register __m128 ans2 = _mm_setzero_ps();
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register __m128 ans3 = _mm_setzero_ps();
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for (size_t i = 0; i < 3; i++) {
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broadcast = _mm_load_ps(&right->xmm[i]);
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_mm_add_ps(ans0, _mm_mul_ps(source0, broadcast));
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_mm_add_ps(ans1, _mm_mul_ps(source1, broadcast));
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_mm_add_ps(ans2, _mm_mul_ps(source2, broadcast));
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_mm_add_ps(ans3, _mm_mul_ps(source3, broadcast));
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for (size_t t = 0; t < 2; t++) {
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broadcast = _mm_shuffle_ps(broadcast, broadcast, _MM_SHUFFLE(2, 1, 0, 3));
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_mm_add_ps(ans0, _mm_mul_ps(source0, broadcast));
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_mm_add_ps(ans1, _mm_mul_ps(source1, broadcast));
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_mm_add_ps(ans2, _mm_mul_ps(source2, broadcast));
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_mm_add_ps(ans3, _mm_mul_ps(source3, broadcast));
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}
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}
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_mm_store_ps(&ans->xmm[0], ans0);
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_mm_store_ps(&ans->xmm[1], ans1);
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_mm_store_ps(&ans->xmm[2], ans2);
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_mm_store_ps(&ans->xmm[3], ans3);
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}
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