mirror of https://github.com/PentHertz/srsLTE.git
Implemented SSE bit pack vector
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@ -740,9 +740,25 @@ void srslte_bit_pack_vector(uint8_t* unpacked, uint8_t* packed, int nof_bits)
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{
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uint32_t i, nbytes;
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nbytes = nof_bits / 8;
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#ifdef LV_HAVE_SSE
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for (i = 0; i < nbytes; i++) {
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// Get 8 Bit
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__m64 mask = _mm_cmpgt_pi8(*((__m64*)unpacked), _mm_set1_pi8(0));
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unpacked += 8;
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// Reverse
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mask = _mm_shuffle_pi8(mask, _mm_set_pi8(0, 1, 2, 3, 4, 5, 6, 7));
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// Get mask and write
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packed[i] = (uint8_t)_mm_movemask_pi8(mask);
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}
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#else /* LV_HAVE_SSE */
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for (i = 0; i < nbytes; i++) {
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packed[i] = srslte_bit_pack(&unpacked, 8);
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}
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#endif /* LV_HAVE_SSE */
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if (nof_bits % 8) {
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packed[i] = srslte_bit_pack(&unpacked, nof_bits % 8);
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packed[i] <<= 8 - (nof_bits % 8);
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