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fix CI discovered bug in avx2 rotate

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This commit is contained in:
Laurent Thomas
2022-06-27 18:35:47 +02:00
committed by laurent
parent bf219fc24f
commit 980bb2420b
8 changed files with 97 additions and 130 deletions
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openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c
+17 -17
View File
@@ -41,10 +41,10 @@ extern int16_t *ul_ref_sigs_rx[30][2][34];
int32_t lte_ul_channel_estimation(LTE_DL_FRAME_PARMS *frame_parms,
L1_rxtx_proc_t *proc,
LTE_eNB_ULSCH_t * ulsch,
int32_t **ul_ch_estimates,
int32_t **ul_ch_estimates_time,
int32_t **rxdataF_ext,
LTE_eNB_ULSCH_t * ulsch,
int32_t **ul_ch_estimates,
int32_t **ul_ch_estimates_time,
int32_t **rxdataF_ext,
module_id_t UE_id,
unsigned char l,
unsigned char Ns) {
@@ -88,7 +88,7 @@ int32_t lte_ul_channel_estimation(LTE_DL_FRAME_PARMS *frame_parms,
}
uint16_t N_rb_alloc = ulsch->harq_processes[harq_pid]->nb_rb;
int32_t tmp_estimates[N_rb_alloc*12] __attribute__((aligned(16)));
int32_t tmp_estimates[N_rb_alloc*12] __attribute__((aligned(32)));
Msc_RS = N_rb_alloc*12;
cyclic_shift = (frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift +
ulsch->harq_processes[harq_pid]->n_DMRS2 +
@@ -334,14 +334,14 @@ int32_t lte_ul_channel_estimation(LTE_DL_FRAME_PARMS *frame_parms,
current_phase2 = cmin(abs(current_phase2),127);
// msg("sym: %d, current_phase1: %d, ru: %d + j%d, current_phase2: %d, ru: %d + j%d\n",k,current_phase1,ru1[2*current_phase1],ru1[2*current_phase1+1],current_phase2,ru2[2*current_phase2],ru2[2*current_phase2+1]);
// rotate channel estimates by estimated phase
rotate_cpx_vector((int16_t *) ul_ch1,
&ru1[2*current_phase1],
(int16_t *) &ul_ch_estimates[aa][frame_parms->N_RB_UL*12*k],
rotate_cpx_vector((c16_t *) ul_ch1,
(c16_t *)&ru1[2*current_phase1],
(c16_t *) &ul_ch_estimates[aa][frame_parms->N_RB_UL*12*k],
Msc_RS,
15);
rotate_cpx_vector((int16_t *) ul_ch2,
&ru2[2*current_phase2],
(int16_t *) &tmp_estimates[0],
rotate_cpx_vector((c16_t *) ul_ch2,
(c16_t *)&ru2[2*current_phase2],
(c16_t *) &tmp_estimates[0],
Msc_RS,
15);
// Combine the two rotated estimates
@@ -657,14 +657,14 @@ int32_t lte_ul_channel_estimation_RRU(LTE_DL_FRAME_PARMS *frame_parms,
current_phase2 = cmin(abs(current_phase2),127);
// msg("sym: %d, current_phase1: %d, ru: %d + j%d, current_phase2: %d, ru: %d + j%d\n",k,current_phase1,ru1[2*current_phase1],ru1[2*current_phase1+1],current_phase2,ru2[2*current_phase2],ru2[2*current_phase2+1]);
// rotate channel estimates by estimated phase
rotate_cpx_vector((int16_t *) ul_ch1,
&ru1[2*current_phase1],
(int16_t *) &ul_ch_estimates[aa][frame_parms->N_RB_UL*12*k],
rotate_cpx_vector((c16_t *) ul_ch1,
(c16_t *)&ru1[2*current_phase1],
(c16_t *) &ul_ch_estimates[aa][frame_parms->N_RB_UL*12*k],
Msc_RS,
15);
rotate_cpx_vector((int16_t *) ul_ch2,
&ru2[2*current_phase2],
(int16_t *) &tmp_estimates[0],
rotate_cpx_vector((c16_t *) ul_ch2,
(c16_t *)&ru2[2*current_phase2],
(c16_t *) &tmp_estimates[0],
Msc_RS,
15);
// Combine the two rotated estimates
openair1/PHY/MODULATION/ofdm_mod.c
+3 -3
View File
@@ -360,9 +360,9 @@ void apply_nr_rotation(NR_DL_FRAME_PARMS *fp,
symbol_rotation[2 * (sidx + first_symbol + symb_offset)],
symbol_rotation[1 + 2 * (sidx + first_symbol + symb_offset)]);
rotate_cpx_vector(trxdata + (sidx * length * 2),
&symbol_rotation[2 * (sidx + first_symbol + symb_offset)],
trxdata + (sidx * length * 2),
rotate_cpx_vector((c16_t*)trxdata + (sidx * length * 2),
(c16_t*)&symbol_rotation[2 * (sidx + first_symbol + symb_offset)],
(c16_t*) trxdata + (sidx * length * 2),
length,
15);
}
openair1/PHY/MODULATION/slot_fep_nr.c
+18 -18
View File
@@ -98,18 +98,18 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
stop_meas(&ue->rx_dft_stats);
int symb_offset = (Ns%frame_parms->slots_per_subframe)*frame_parms->symbols_per_slot;
int32_t rot2 = ((uint32_t*)frame_parms->symbol_rotation[0])[symbol+symb_offset];
((int16_t*)&rot2)[1]=-((int16_t*)&rot2)[1];
c16_t rot2 = ((c16_t*)frame_parms->symbol_rotation[0])[symbol+symb_offset];
rot2.i=-rot2.i;
#ifdef DEBUG_FEP
// if (ue->frame <100)
printf("slot_fep: slot %d, symbol %d rx_offset %u, rotation symbol %d %d.%d\n", Ns,symbol, rx_offset,
symbol+symb_offset,((int16_t*)&rot2)[0],((int16_t*)&rot2)[1]);
symbol+symb_offset,rot2.r,rot2.i);
#endif
rotate_cpx_vector((int16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
(int16_t*)&rot2,
(int16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
rotate_cpx_vector((c16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
&rot2,
(c16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
frame_parms->ofdm_symbol_size,
15);
@@ -214,18 +214,18 @@ int nr_slot_fep_init_sync(PHY_VARS_NR_UE *ue,
stop_meas(&ue->rx_dft_stats);
int symb_offset = (Ns%frame_parms->slots_per_subframe)*frame_parms->symbols_per_slot;
int32_t rot2 = ((uint32_t*)frame_parms->symbol_rotation[0])[symbol + symb_offset];
((int16_t*)&rot2)[1]=-((int16_t*)&rot2)[1];
c16_t rot2 = ((c16_t*)frame_parms->symbol_rotation[0])[symbol + symb_offset];
rot2.i=-rot2.i;
#ifdef DEBUG_FEP
// if (ue->frame <100)
printf("slot_fep: slot %d, symbol %d rx_offset %u, rotation symbol %d %d.%d\n", Ns,symbol, rx_offset,
symbol+symb_offset,((int16_t*)&rot2)[0],((int16_t*)&rot2)[1]);
symbol+symb_offset,rot2.r,rot2.i);
#endif
rotate_cpx_vector((int16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
(int16_t*)&rot2,
(int16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
rotate_cpx_vector((c16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
&rot2,
(c16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
frame_parms->ofdm_symbol_size,
15);
}
@@ -310,12 +310,12 @@ void apply_nr_rotation_ul(NR_DL_FRAME_PARMS *frame_parms,
for (int symbol=first_symbol;symbol<nsymb;symbol++) {
uint32_t rot2 = ((uint32_t*)frame_parms->symbol_rotation[1])[symbol + symb_offset];
((int16_t*)&rot2)[1]=-((int16_t*)&rot2)[1];
LOG_D(PHY,"slot %d, symb_offset %d rotating by %d.%d\n",slot,symb_offset,((int16_t*)&rot2)[0],((int16_t*)&rot2)[1]);
rotate_cpx_vector((int16_t *)&rxdataF[soffset+(frame_parms->ofdm_symbol_size*symbol)],
(int16_t*)&rot2,
(int16_t *)&rxdataF[soffset+(frame_parms->ofdm_symbol_size*symbol)],
c16_t rot2 = ((c16_t*)frame_parms->symbol_rotation[1])[symbol + symb_offset];
rot2.i=-rot2.i;
LOG_D(PHY,"slot %d, symb_offset %d rotating by %d.%d\n",slot,symb_offset,rot2.r,rot2.i);
rotate_cpx_vector((c16_t *)&rxdataF[soffset+(frame_parms->ofdm_symbol_size*symbol)],
&rot2,
(c16_t *)&rxdataF[soffset+(frame_parms->ofdm_symbol_size*symbol)],
length,
15);
openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
+12 -12
View File
@@ -854,7 +854,7 @@ void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
uint32_t nb_re_pusch)
{
//#define DEBUG_UL_PTRS 1
int16_t *phase_per_symbol = NULL;
c16_t *phase_per_symbol = NULL;
int32_t *ptrs_re_symbol = NULL;
int8_t ret = 0;
@@ -871,20 +871,20 @@ void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
uint8_t *ptrsReOffset = &rel15_ul->pusch_ptrs.ptrs_ports_list[0].ptrs_re_offset;
/* loop over antennas */
for (int aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
phase_per_symbol = (int16_t*)gNB->pusch_vars[ulsch_id]->ptrs_phase_per_slot[aarx];
phase_per_symbol = (c16_t*)gNB->pusch_vars[ulsch_id]->ptrs_phase_per_slot[aarx];
ptrs_re_symbol = &gNB->pusch_vars[ulsch_id]->ptrs_re_per_slot;
*ptrs_re_symbol = 0;
phase_per_symbol[(2*symbol)+1] = 0; // Imag
phase_per_symbol[symbol].i = 0;
/* set DMRS estimates to 0 angle with magnitude 1 */
if(is_dmrs_symbol(symbol,*dmrsSymbPos)) {
/* set DMRS real estimation to 32767 */
phase_per_symbol[2*symbol]=(int16_t)((1<<15)-1); // 32767
phase_per_symbol[symbol].r=INT16_MAX; // 32767
#ifdef DEBUG_UL_PTRS
printf("[PHY][PTRS]: DMRS Symbol %d -> %4d + j*%4d\n", symbol, phase_per_symbol[2*symbol],phase_per_symbol[(2*symbol)+1]);
printf("[PHY][PTRS]: DMRS Symbol %d -> %4d + j*%4d\n", symbol, phase_per_symbol[symbol].r,phase_per_symbol[symbol].i);
#endif
}
else {// real ptrs value is set to 0
phase_per_symbol[2*symbol] = 0; // Real
phase_per_symbol[symbol].r = 0;
}
if(symbol == *startSymbIndex) {
@@ -909,7 +909,7 @@ void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
symbol,frame_parms->ofdm_symbol_size,
(int16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(symbol * nb_re_pusch)],
gNB->nr_gold_pusch_dmrs[rel15_ul->scid][nr_tti_rx][symbol],
&phase_per_symbol[2* symbol],
(int16_t*)&phase_per_symbol[symbol],
ptrs_re_symbol);
}
/* For last OFDM symbol at each antenna perform interpolation and compensation for the slot*/
@@ -919,7 +919,7 @@ void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
/*------------------------------------------------------------------------------------------------------- */
/* If L-PTRS is > 0 then we need interpolation */
if(*L_ptrs > 0) {
ret = nr_ptrs_process_slot(*dmrsSymbPos, *ptrsSymbPos, phase_per_symbol, *startSymbIndex, *nbSymb);
ret = nr_ptrs_process_slot(*dmrsSymbPos, *ptrsSymbPos, (int16_t*)phase_per_symbol, *startSymbIndex, *nbSymb);
if(ret != 0) {
LOG_W(PHY,"[PTRS] Compensation is skipped due to error in PTRS slot processing !!\n");
}
@@ -938,11 +938,11 @@ void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
/* Skip rotation if the slot processing is wrong */
if((!is_dmrs_symbol(i,*dmrsSymbPos)) && (ret == 0)) {
#ifdef DEBUG_UL_PTRS
printf("[PHY][UL][PTRS]: Rotate Symbol %2d with %d + j* %d\n", i, phase_per_symbol[2* i],phase_per_symbol[(2* i) +1]);
printf("[PHY][UL][PTRS]: Rotate Symbol %2d with %d + j* %d\n", i, phase_per_symbol[i].r,phase_per_symbol[i].i);
#endif
rotate_cpx_vector((int16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(i * rel15_ul->rb_size * NR_NB_SC_PER_RB)],
&phase_per_symbol[2* i],
(int16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(i * rel15_ul->rb_size * NR_NB_SC_PER_RB)],
rotate_cpx_vector((c16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(i * rel15_ul->rb_size * NR_NB_SC_PER_RB)],
&phase_per_symbol[i],
(c16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(i * rel15_ul->rb_size * NR_NB_SC_PER_RB)],
((*nb_rb) * NR_NB_SC_PER_RB), 15);
}// if not DMRS Symbol
}// symbol loop
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
+11 -12
View File
@@ -1657,7 +1657,6 @@ void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
RX_type_t rx_type)
{
//#define DEBUG_DL_PTRS 1
int16_t *phase_per_symbol = NULL;
int32_t *ptrs_re_symbol = NULL;
int8_t ret = 0;
/* harq specific variables */
@@ -1701,20 +1700,20 @@ void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
}
/* loop over antennas */
for (int aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
phase_per_symbol = (int16_t*)pdsch_vars[gNB_id]->ptrs_phase_per_slot[aarx];
c16_t *phase_per_symbol = (c16_t*)pdsch_vars[gNB_id]->ptrs_phase_per_slot[aarx];
ptrs_re_symbol = (int32_t*)pdsch_vars[gNB_id]->ptrs_re_per_slot[aarx];
ptrs_re_symbol[symbol] = 0;
phase_per_symbol[(2*symbol)+1] = 0; // Imag
phase_per_symbol[symbol].i = 0; // Imag
/* set DMRS estimates to 0 angle with magnitude 1 */
if(is_dmrs_symbol(symbol,*dmrsSymbPos)) {
/* set DMRS real estimation to 32767 */
phase_per_symbol[2*symbol]=(int16_t)((1<<15)-1); // 32767
phase_per_symbol[symbol].r=INT16_MAX; // 32767
#ifdef DEBUG_DL_PTRS
printf("[PHY][PTRS]: DMRS Symbol %d -> %4d + j*%4d\n", symbol, phase_per_symbol[2*symbol],phase_per_symbol[(2*symbol)+1]);
printf("[PHY][PTRS]: DMRS Symbol %d -> %4d + j*%4d\n", symbol, phase_per_symbol[symbol].r,phase_per_symbol[symbol].i);
#endif
}
else { // real ptrs value is set to 0
phase_per_symbol[2*symbol] = 0; // Real
phase_per_symbol[symbol].r = 0; // Real
}
if(dlsch0_harq->status == ACTIVE) {
@@ -1740,7 +1739,7 @@ void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
symbol,frame_parms->ofdm_symbol_size,
(int16_t*)&pdsch_vars[gNB_id]->rxdataF_comp0[aarx][(symbol * nb_re_pdsch)],
ue->nr_gold_pdsch[gNB_id][nr_slot_rx][symbol][0],
&phase_per_symbol[2* symbol],
(int16_t*)&phase_per_symbol[symbol],
&ptrs_re_symbol[symbol]);
}
}// HARQ 0
@@ -1752,7 +1751,7 @@ void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
/*------------------------------------------------------------------------------------------------------- */
/* If L-PTRS is > 0 then we need interpolation */
if(*L_ptrs > 0) {
ret = nr_ptrs_process_slot(*dmrsSymbPos, *ptrsSymbPos, phase_per_symbol, *startSymbIndex, *nbSymb);
ret = nr_ptrs_process_slot(*dmrsSymbPos, *ptrsSymbPos, (int16_t*)phase_per_symbol, *startSymbIndex, *nbSymb);
if(ret != 0) {
LOG_W(PHY,"[PTRS] Compensation is skipped due to error in PTRS slot processing !!\n");
}
@@ -1771,11 +1770,11 @@ void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
/* Skip rotation if the slot processing is wrong */
if((!is_dmrs_symbol(i,*dmrsSymbPos)) && (ret == 0)) {
#ifdef DEBUG_DL_PTRS
printf("[PHY][DL][PTRS]: Rotate Symbol %2d with %d + j* %d\n", i, phase_per_symbol[2* i],phase_per_symbol[(2* i) +1]);
printf("[PHY][DL][PTRS]: Rotate Symbol %2d with %d + j* %d\n", i, phase_per_symbol[i].r,phase_per_symbol[i].i);
#endif
rotate_cpx_vector((int16_t*)&pdsch_vars[gNB_id]->rxdataF_comp0[aarx][(i * (*nb_rb) * NR_NB_SC_PER_RB)],
&phase_per_symbol[2* i],
(int16_t*)&pdsch_vars[gNB_id]->rxdataF_comp0[aarx][(i * (*nb_rb) * NR_NB_SC_PER_RB)],
rotate_cpx_vector((c16_t*)&pdsch_vars[gNB_id]->rxdataF_comp0[aarx][(i * (*nb_rb) * NR_NB_SC_PER_RB)],
&phase_per_symbol[i],
(c16_t*)&pdsch_vars[gNB_id]->rxdataF_comp0[aarx][(i * (*nb_rb) * NR_NB_SC_PER_RB)],
((*nb_rb) * NR_NB_SC_PER_RB), 15);
}// if not DMRS Symbol
}// symbol loop
openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
+8 -9
View File
@@ -597,17 +597,16 @@ uint8_t nr_ue_pusch_common_procedures(PHY_VARS_NR_UE *UE,
int symb_offset = (slot%frame_parms->slots_per_subframe)*frame_parms->symbols_per_slot;
for(ap = 0; ap < n_antenna_ports; ap++) {
for (int s=0;s<NR_NUMBER_OF_SYMBOLS_PER_SLOT;s++){
c16_t rot=((c16_t*)frame_parms->symbol_rotation[1])[s + symb_offset];
LOG_D(PHY,"In %s: rotating txdataF symbol %d (%d) => (%d.%d)\n",
__FUNCTION__,
s,
s + symb_offset,
frame_parms->symbol_rotation[1][2 * (s + symb_offset)],
frame_parms->symbol_rotation[1][1 + (2 * (s + symb_offset))]);
__FUNCTION__,
s,
s + symb_offset,
rot.r, rot.i);
rotate_cpx_vector((int16_t *)&txdataF[ap][frame_parms->ofdm_symbol_size * s],
&frame_parms->symbol_rotation[1][2 * (s + symb_offset)],
(int16_t *)&txdataF[ap][frame_parms->ofdm_symbol_size * s],
rotate_cpx_vector((c16_t *)&txdataF[ap][frame_parms->ofdm_symbol_size * s],
&rot,
(c16_t *)&txdataF[ap][frame_parms->ofdm_symbol_size * s],
frame_parms->ofdm_symbol_size,
15);
}
openair1/PHY/TOOLS/cmult_sv.c
+22 -53
View File
@@ -145,40 +145,9 @@ void multadd_real_four_symbols_vector_complex_scalar(int16_t *x,
}
#ifdef __AVX2__
void rotate_cpx_vector(int16_t *x,
int16_t *alpha,
int16_t *y,
uint32_t N,
uint16_t output_shift)
{
// multiply a complex vector with a complex value (alpha)
// stores result in y
// N is the number of complex numbers
// output_shift reduces the result of the multiplication by this number of bits
AssertFatal(N%8==0, "To be developped");
const c16_t for_re={alpha[0], -alpha[1]};
__m256i const alpha_for_real = _mm256_set1_epi32(*(uint32_t*)&for_re);
const c16_t for_im={alpha[1], alpha[0]};
__m256i const alpha_for_im= _mm256_set1_epi32(*(uint32_t*)&for_im);
__m256i const perm_mask =
_mm256_set_epi8(31,30,23,22,29,28,21,20,27,26,19,18,25,24,17,16,
15,14,7,6,13,12,5,4,11,10,3,2,9,8,1,0);
__m256i* xd= (__m256i*)x;
const __m256i *end=xd+N/8;
for( __m256i* yd = (__m256i *)y; xd<end ; yd++, xd++) {
const __m256i xre = _mm256_srai_epi32(_mm256_madd_epi16(*xd,alpha_for_real),
output_shift);
const __m256i xim = _mm256_srai_epi32(_mm256_madd_epi16(*xd,alpha_for_im),
output_shift);
// a bit faster than unpacklo+unpackhi+packs
const __m256i tmp=_mm256_packs_epi32(xre,xim);
*yd=_mm256_shuffle_epi8(tmp,perm_mask);
}
}
#else
void rotate_cpx_vector(int16_t *x,
int16_t *alpha,
int16_t *y,
void rotate_cpx_vector(c16_t *x,
c16_t *alpha,
c16_t *y,
uint32_t N,
uint16_t output_shift)
{
@@ -206,28 +175,28 @@ void rotate_cpx_vector(int16_t *x,
__m128i shift = _mm_cvtsi32_si128(output_shift);
register simd_q15_t m0,m1,m2,m3;
((int16_t *)&alpha_128)[0] = alpha[0];
((int16_t *)&alpha_128)[1] = -alpha[1];
((int16_t *)&alpha_128)[2] = alpha[1];
((int16_t *)&alpha_128)[3] = alpha[0];
((int16_t *)&alpha_128)[4] = alpha[0];
((int16_t *)&alpha_128)[5] = -alpha[1];
((int16_t *)&alpha_128)[6] = alpha[1];
((int16_t *)&alpha_128)[7] = alpha[0];
((int16_t *)&alpha_128)[0] = alpha->r;
((int16_t *)&alpha_128)[1] = -alpha->i;
((int16_t *)&alpha_128)[2] = alpha->i;
((int16_t *)&alpha_128)[3] = alpha->r;
((int16_t *)&alpha_128)[4] = alpha->r;
((int16_t *)&alpha_128)[5] = -alpha->i;
((int16_t *)&alpha_128)[6] = alpha->i;
((int16_t *)&alpha_128)[7] = alpha->r;
#elif defined(__arm__)
int32x4_t shift;
int32x4_t ab_re0,ab_re1,ab_im0,ab_im1,re32,im32;
int16_t reflip[8] __attribute__((aligned(16))) = {1,-1,1,-1,1,-1,1,-1};
int32x4x2_t xtmp;
((int16_t *)&alpha_128)[0] = alpha[0];
((int16_t *)&alpha_128)[1] = alpha[1];
((int16_t *)&alpha_128)[2] = alpha[0];
((int16_t *)&alpha_128)[3] = alpha[1];
((int16_t *)&alpha_128)[4] = alpha[0];
((int16_t *)&alpha_128)[5] = alpha[1];
((int16_t *)&alpha_128)[6] = alpha[0];
((int16_t *)&alpha_128)[7] = alpha[1];
((int16_t *)&alpha_128)[0] = alpha->r;
((int16_t *)&alpha_128)[1] = alpha->i;
((int16_t *)&alpha_128)[2] = alpha->r;
((int16_t *)&alpha_128)[3] = alpha->i;
((int16_t *)&alpha_128)[4] = alpha->r;
((int16_t *)&alpha_128)[5] = alpha->i;
((int16_t *)&alpha_128)[6] = alpha->r;
((int16_t *)&alpha_128)[7] = alpha->i;
int16x8_t bflip = vrev32q_s16(alpha_128);
int16x8_t bconj = vmulq_s16(alpha_128,*(int16x8_t *)reflip);
shift = vdupq_n_s32(-output_shift);
@@ -370,7 +339,7 @@ main ()
int16_t input[256] __attribute__((aligned(16)));
int16_t input2[256] __attribute__((aligned(16)));
int16_t output[256] __attribute__((aligned(16)));
int16_t alpha[2];
c16_t alpha;
int i;
@@ -408,8 +377,8 @@ main ()
input2[14] = 1000;
input2[15] = 2000;
alpha[0]=32767;
alpha[1]=0;
alpha->r=32767;
alpha->i=0;
//mult_cpx_vector(input,input2,output,L,0);
rotate_cpx_vector_norep(input,alpha,input,L,15);
openair1/PHY/TOOLS/tools_defs.h
+6 -6
View File
@@ -453,7 +453,7 @@ idft_size_idx_t get_idft(int ofdm_symbol_size)
}
/*!\fn int32_t rotate_cpx_vector(int16_t *x,int16_t *alpha,int16_t *y,uint32_t N,uint16_t output_shift)
/*!\fn int32_t rotate_cpx_vector(c16_t *x,c16_t *alpha,c16_t *y,uint32_t N,uint16_t output_shift)
This function performs componentwise multiplication of a vector with a complex scalar.
@param x Vector input (Q1.15) in the format |Re0 Im0|,......,|Re(N-1) Im(N-1)|
@param alpha Scalar input (Q1.15) in the format |Re0 Im0|
@@ -463,11 +463,11 @@ This function performs componentwise multiplication of a vector with a complex s
The function implemented is : \f$\mathbf{y} = \alpha\mathbf{x}\f$
*/
void rotate_cpx_vector(int16_t *x,
int16_t *alpha,
int16_t *y,
uint32_t N,
uint16_t output_shift);
void rotate_cpx_vector(c16_t *x,
c16_t *alpha,
c16_t *y,
uint32_t N,
uint16_t output_shift);
//cadd_sv.c