Remove partial 256 SIMDe dependence for ARM

CMakeLists.txt

@@ -1112,7 +1112,6 @@ if (${SMBV})
 endif  (${SMBV})
 
 set(PHY_SRC_UE ${PHY_SRC_UE} ${OPENAIR1_DIR}/PHY/LTE_UE_TRANSPORT/dlsch_llr_computation_avx2.c)
-set(PHY_NR_UE_SRC ${PHY_NR_UE_SRC} ${OPENAIR1_DIR}/PHY/LTE_UE_TRANSPORT/dlsch_llr_computation_avx2.c)
 
 add_library(PHY_COMMON ${PHY_SRC_COMMON})
 target_link_libraries(PHY_COMMON PRIVATE shlib_loader)

openair1/PHY/LTE_UE_TRANSPORT/dlsch_llr_computation.c

@@ -8001,6 +8001,7 @@ int dlsch_64qam_64qam_llr(LTE_DL_FRAME_PARMS *frame_parms,
   memcpy(ch_mag_i_256i, ch_mag_i, len*4);
   memcpy(rho_256i, rho, len*4);
 
+#if  defined(__x86_64__)
   qam64_qam64_avx2((int32_t *)rxF_256i,
                    (int32_t *)rxF_i_256i,
                    (int32_t *)ch_mag_256i,
@@ -8008,6 +8009,15 @@ int dlsch_64qam_64qam_llr(LTE_DL_FRAME_PARMS *frame_parms,
                    (int16_t *)llr16,
                    (int32_t *) rho_256i,
                    len);
+#else // defined(__arm__) || defined(__aarch64__)
+  qam64_qam64((int32_t *)rxF_256i,
+                   (int32_t *)rxF_i_256i,
+                   (int32_t *)ch_mag_256i,
+                   (int32_t *)ch_mag_i_256i,
+                   (int16_t *)llr16,
+                   (int32_t *) rho_256i,
+                   len);
+#endif
 
   free16(rxF_256i, sizeof(rxF_256i));
   free16(rxF_i_256i, sizeof(rxF_i_256i));

openair1/PHY/LTE_UE_TRANSPORT/dlsch_llr_computation_avx2.c

@@ -35,6 +35,8 @@
 #include "PHY/phy_extern_ue.h"
 #include "PHY/sse_intrin.h"
 
+#if defined(__x86_64__)
+
  static const int16_t ones256[16] __attribute__((aligned(32))) = {0xffff,
                                                                   0xffff,
                                                                   0xffff,
@@ -3500,3 +3502,5 @@ void qam64_qam64_avx2(int32_t *stream0_in,
   simde_mm_empty();
   simde_m_empty();
 }
+
+#endif
\ No newline at end of file