Changes for 64qam_64qam for avx2

Conflicts:
	openair1/PHY/LTE_TRANSPORT/dlsch_llr_computation.c

openair1/PHY/LTE_TRANSPORT/dlsch_llr_computation.c

@@ -8831,15 +8831,8 @@ int dlsch_64qam_64qam_llr(LTE_DL_FRAME_PARMS *frame_parms,
     len = (nb_rb*12) - pbch_pss_sss_adjust;
   }
 
-#if 0
-  qam64_qam64((short *)rxF,
-              (short *)rxF_i,
-              (short *)ch_mag,
-              (short *)ch_mag_i,
-              (short *)llr16,
-              (short *)rho,
-              len);
-#else
+//#ifdef __AVX2__
+
   // Round length up to multiple of 16 words
   uint32_t len256i = ((len+16)>>4)*16;
   int32_t *rxF_256i      = (int32_t*) malloc16_clear(len256i*4);
@@ -8853,7 +8846,7 @@ int dlsch_64qam_64qam_llr(LTE_DL_FRAME_PARMS *frame_parms,
   memcpy(ch_mag_256i, ch_mag, len*4);
   memcpy(ch_mag_i_256i, ch_mag_i, len*4);
   memcpy(rho_256i, rho, len*4);
-  
+  /*
   qam64_qam64_avx2((int32_t *)rxF_256i,
                    (int32_t *)rxF_i_256i,
                    (int32_t *)ch_mag_256i,
@@ -8861,13 +8854,34 @@ int dlsch_64qam_64qam_llr(LTE_DL_FRAME_PARMS *frame_parms,
                    (int16_t *)llr16,
                    (int32_t *) rho_256i,
                    len);
-
+  */
+  qam64_qam16_avx2((short *)rxF_256i,
+                   (short *)rxF_i_256i,
+                   (short *)ch_mag_256i,
+                   (short *)ch_mag_i_256i,
+                   (short *)llr16,
+                   (short *)rho_256i,
+                   len);
+  
   free16(rxF_256i, sizeof(rxF_256i));
   free16(rxF_i_256i, sizeof(rxF_i_256i));
   free16(ch_mag_256i, sizeof(ch_mag_256i));
   free16(ch_mag_i_256i, sizeof(ch_mag_i_256i));
   free16(rho_256i, sizeof(rho_256i));
-#endif
+
+//#else
+/*
+  qam64_qam64((short *)rxF,
+              (short *)rxF_i,
+              (short *)ch_mag,
+              (short *)ch_mag_i,
+              (short *)llr16,
+              (short *)rho,
+              len);
+*/
+
+//#endif
+
   llr16 += (6*len);
   *llr16p = (short *)llr16;
   return(0);

openair1/PHY/LTE_TRANSPORT/proto.h

@@ -704,6 +704,22 @@ void qam64_qam16(short *stream0_in,
                  short *rho01,
                  int length);
 
+/** \brief This function computes the LLRs for ML (max-logsum approximation) dual-stream 64QAM/16QAM reception.
+    @param stream0_in Input from channel compensated (MR combined) stream 0
+    @param stream1_in Input from channel compensated (MR combined) stream 1
+    @param ch_mag   Input from scaled channel magnitude square of h0'*g0
+    @param ch_mag_i Input from scaled channel magnitude square of h0'*g1
+    @param stream0_out Output from LLR unit for stream0
+    @param rho01 Cross-correlation between channels (MR combined)
+    @param length in complex channel outputs*/
+void qam64_qam16_avx2(short *stream0_in,
+                      short *stream1_in,
+                      short *ch_mag,
+                      short *ch_mag_i,
+                      short *stream0_out,
+                      short *rho01,
+                      int length);
+
 /** \brief This function perform LLR computation for dual-stream (64QAM/16QAM) transmission.
     @param frame_parms Frame descriptor structure
     @param rxdataF_comp Compensated channel output