From 23fc8fdb260f6dc461496ef1525e0e6dde140758 Mon Sep 17 00:00:00 2001
From: "Raymond.Knopp" <raymond.knopp@eurecom.fr>
Date: Thu, 5 Jan 2017 08:22:29 +0100
Subject: [PATCH] patch for ulsch_decoding.c to fix alignment issue on
demultiplexing
---
openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c | 21 ++++++++++++++++++---
1 file changed, 18 insertions(+), 3 deletions(-)
diff --git a/openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c b/openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c
index 68f3abc094..8edb1eaf94 100644
--- a/openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c
+++ b/openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c
@@ -1440,7 +1440,7 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
j2+=Q_m;
}
-
+ /* To be improved according to alignment of j2
#if defined(__x86_64__)||defined(__i386__)
#ifndef __AVX2__
for (iprime=0; iprime<G;iprime+=8,j2+=8)
@@ -1452,9 +1452,24 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
#elif defined(__arm__)
for (iprime=0; iprime<G;iprime+=8,j2+=8)
*((int16x8_t *)&ulsch_harq->e[iprime]) = *((int16x8_t *)&y[j2]);
-#endif
+#endif
+ */
+ int16_t *yp,*ep;
+ for (iprime=0,yp=&y[j2],ep=&ulsch_harq->e[0];
+ iprime<G;
+ iprime+=8,j2+=8,ep+=8,yp+=8) {
+ ep[0] = yp[0];
+ ep[1] = yp[1];
+ ep[2] = yp[2];
+ ep[3] = yp[3];
+ ep[4] = yp[4];
+ ep[5] = yp[5];
+ ep[6] = yp[6];
+ ep[7] = yp[7];
+ }
}
-
+
+
stop_meas(&eNB->ulsch_demultiplexing_stats);
// printf("after ACKNAK2 c[%d] = %p (iprime %d, G %d)\n",0,ulsch_harq->c[0],iprime,G);
--
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