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256-bit alignment fix in trx_usrp_write/trx_usrp_write_thread functions

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This commit is contained in:
Sagar Parsawar
2022-03-28 10:58:41 +02:00
committed by Eurecom
parent 5679e4a3b3
commit 984830505b
1 changed files with 25 additions and 4 deletions
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targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
+25 -4
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@@ -402,7 +402,14 @@ static int trx_usrp_write(openair0_device *device,
for (int j=0; j<nsamps2; j++) {
#if defined(__x86_64__) || defined(__i386__)
#ifdef __AVX2__
buff_tx[i][j] = _mm256_slli_epi16(((__m256i *)buff[i])[j],4);
if ((((uintptr_t) buff[i])&0x1F)==0) {
buff_tx[i][j] = _mm256_slli_epi16(((__m256i *)buff[i])[j],4);
}
else
{
((__m128i *)buff_tx[i])[2*j] = _mm_slli_epi16(((__m128i *)buff[i])[2*j],4);
((__m128i *)buff_tx[i])[2*j+1] = _mm_slli_epi16(((__m128i *)buff[i])[2*j+1],4);
}
#else
buff_tx[i][j] = _mm_slli_epi16(((__m128i *)buff[i])[j],4);
#endif
@@ -540,7 +547,14 @@ void *trx_usrp_write_thread(void * arg){
for (int j=0; j<nsamps2; j++) {
#if defined(__x86_64__) || defined(__i386__)
#ifdef __AVX2__
buff_tx[i][j] = _mm256_slli_epi16(((__m256i *)buff[i])[j],4);
if ((((uintptr_t) buff[i])&0x1F)==0) {
buff_tx[i][j] = _mm256_slli_epi16(((__m256i *)buff[i])[j],4);
}
else
{
((__m128i *)buff_tx[i])[2*j] = _mm_slli_epi16(((__m128i *)buff[i])[2*j],4);
((__m128i *)buff_tx[i])[2*j+1] = _mm_slli_epi16(((__m128i *)buff[i])[2*j+1],4);
}
#else
buff_tx[i][j] = _mm_slli_epi16(((__m128i *)buff[i])[j],4);
#endif
@@ -1127,8 +1141,8 @@ extern "C" {
// from usrp_time_offset
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 15; //to be checked
openair0_cfg[0].tx_bw = 80e6;
openair0_cfg[0].rx_bw = 80e6;
//openair0_cfg[0].tx_bw = 80e6;
//openair0_cfg[0].rx_bw = 80e6;
break;
case 61440000:
@@ -1154,6 +1168,13 @@ extern "C" {
openair0_cfg[0].rx_bw = 20e6;
break;
case 23040000:
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 15;
openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6;
break;
case 15360000:
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 45;