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Fixed a bug

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This commit is contained in:
sebastian
2019-10-10 14:22:30 +02:00
parent 2cd4d9f670
commit 0b9d015888
1 changed files with 3 additions and 5 deletions
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openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_bnProc.h
+3 -5
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@@ -2785,9 +2785,6 @@ static inline void nrLDPC_llr2bit(int8_t* out, int8_t* llrOut, uint16_t numLLR)
*/
static inline void nrLDPC_llr2bitPacked(int8_t* out, int8_t* llrOut, uint16_t numLLR)
{
/** Vector for moving LSB 1 to MSB 1 */
const uint8_t const127_256_epu8[32] __attribute__ ((aligned(32))) = {127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127};
/** Vector of indices for shuffling input */
const uint8_t constShuffle_256_epi8[32] __attribute__ ((aligned(32))) = {7,6,5,4,3,2,1,0,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0,15,14,13,12,11,10,9,8};
@@ -2799,13 +2796,14 @@ static inline void nrLDPC_llr2bitPacked(int8_t* out, int8_t* llrOut, uint16_t nu
uint32_t i;
uint32_t M = numLLR>>5;
uint32_t Mr = numLLR&31;
const __m256i* p_127 = (__m256i*) const127_256_epu8;
const __m256i* p_shuffle = (__m256i*) constShuffle_256_epi8;
for (i=0; i<M; i++)
{
// Move LSB to MSB on 8 bits
inPerm = _mm256_shuffle_epi8(*p_llrOut,*p_shuffle);
*p_bits++ = _mm256_movemask_epi8(_mm256_adds_epu8(inPerm, *p_127));
// Hard decision
*p_bits++ = _mm256_movemask_epi8(inPerm);
p_llrOut++;
}