diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index e0f9b85089..7b8d5c0e05 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -322,9 +322,9 @@ add_definitions("-DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAV
 set(commonOpts "-pipe -Wno-packed-bitfield-compat -fPIC -Wall -fno-strict-aliasing -rdynamic")
 
 set(CMAKE_C_FLAGS
-  "${CMAKE_C_FLAGS} ${C_FLAGS_PROCESSOR} ${commonOpts} -std=gnu99 -funroll-loops")
+  "${CMAKE_C_FLAGS} ${C_FLAGS_PROCESSOR} ${commonOpts} -std=gnu99 -funroll-loops -mpclmul")
 set(CMAKE_CXX_FLAGS
-  "${CMAKE_CXX_FLAGS} ${C_FLAGS_PROCESSOR}  ${commonOpts} -std=c++11")
+  "${CMAKE_CXX_FLAGS} ${C_FLAGS_PROCESSOR}  ${commonOpts} -std=c++11 -mpclmul")
 
 
 
diff --git a/openair1/PHY/CODING/crc_byte.c b/openair1/PHY/CODING/crc_byte.c
index 750180a918..af3ca1f885 100644
--- a/openair1/PHY/CODING/crc_byte.c
+++ b/openair1/PHY/CODING/crc_byte.c
@@ -150,11 +150,12 @@ can use SIMD optimized Intel CRC for LTE/NR 24a/24b variants
 unsigned int crc24a (unsigned char * inptr,
 					 int bitlen)
 {
+  int octetlen = bitlen / 8;  /* Change in octets */
 
-  int  octetlen = bitlen / 8;        /* Change in octets */
-#ifndef USE_INTEL_CRC
+  if ( bitlen % 8 || !__builtin_cpu_supports ("pclmul") ) {
   unsigned int      crc = 0;
   int resbit= (bitlen % 8);
+    
   while (octetlen-- > 0) {
     //   printf("crc24a: in %x => crc %x\n",crc,*inptr);
     crc = (crc << 8) ^ crc24aTable[(*inptr++) ^ (crc >> 24)];
@@ -163,10 +164,10 @@ unsigned int crc24a (unsigned char * inptr,
   if (resbit > 0)
     crc = (crc << resbit) ^ crc24aTable[((*inptr) >> (8 - resbit)) ^ (crc >> (32 - resbit))];
   return crc;
-#else
+  } else {
   return crc32_calc_pclmulqdq(inptr, octetlen, 0,
                               &lte_crc24a_pclmulqdq);
-#endif
+  }
 
 }
 
@@ -183,10 +184,12 @@ static DECLARE_ALIGNED(struct crc_pclmulqdq_ctx lte_crc24b_pclmulqdq, 16) = {
 unsigned int crc24b (unsigned char * inptr,
 	   	     int bitlen)
 {
-  int octetlen= bitlen / 8;
-#ifndef USE_INTEL_CRC
+  int octetlen = bitlen / 8;  /* Change in octets */
+  
+  if ( bitlen % 8 || !__builtin_cpu_supports ("pclmul") ) {
   unsigned int crc = 0;
   int resbit = (bitlen % 8);
+
   while (octetlen-- > 0) {
     //    printf("crc24b: in %x => crc %x (%x)\n",crc,*inptr,crc24bTable[(*inptr) ^ (crc >> 24)]);
     crc = (crc << 8) ^ crc24bTable[(*inptr++) ^ (crc >> 24)];
@@ -196,10 +199,10 @@ unsigned int crc24b (unsigned char * inptr,
     crc = (crc << resbit) ^ crc24bTable[((*inptr) >> (8 - resbit)) ^ (crc >> (32 - resbit))];
 
   return crc;
-#else
+  } else {
   return crc32_calc_pclmulqdq(inptr, octetlen, 0,
                               &lte_crc24b_pclmulqdq);
-#endif
+  }
 }
 
 unsigned int crc24c (unsigned char * inptr,
diff --git a/openair1/PHY/CODING/nrLDPC_defs.h b/openair1/PHY/CODING/nrLDPC_defs.h
index 67248d971c..0d7ff9ef9f 100644
--- a/openair1/PHY/CODING/nrLDPC_defs.h
+++ b/openair1/PHY/CODING/nrLDPC_defs.h
@@ -38,12 +38,12 @@
 */
 typedef struct {
   unsigned int n_segments;          // optim8seg
-	unsigned int macro_num; // optim8segmulti
-	unsigned char gen_code; //orig
-	time_stats_t *tinput;
-	time_stats_t *tprep;
-	time_stats_t *tparity;
-	time_stats_t *toutput;
+  unsigned int macro_num; // optim8segmulti
+  unsigned char gen_code; //orig
+  time_stats_t *tinput;
+  time_stats_t *tprep;
+  time_stats_t *tparity;
+  time_stats_t *toutput;
   int Kr;
   uint32_t Kb;
   uint32_t *Zc;
@@ -58,10 +58,10 @@ typedef struct {
   uint32_t F;
   /// LDPC-code outputs
   uint8_t *d[MAX_NUM_NR_DLSCH_SEGMENTS];
-}encoder_implemparams_t;
+} encoder_implemparams_t;
 #define INIT0_LDPCIMPLEMPARAMS {0,0,0,NULL,NULL,NULL,NULL}
-typedef void(*nrLDPC_initcallfunc_t)(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_out);
-typedef int(*nrLDPC_encoderfunc_t)(unsigned char **,unsigned char **,int,int,short, short, encoder_implemparams_t*);
+typedef void(*nrLDPC_initcallfunc_t)(t_nrLDPC_dec_params *p_decParams, int8_t *p_llr, int8_t *p_out);
+typedef int(*nrLDPC_encoderfunc_t)(unsigned char **,unsigned char **,int,int,short, short, encoder_implemparams_t *);
 //============================================================================================================================
 // decoder interface
 /**
@@ -71,5 +71,5 @@ typedef int(*nrLDPC_encoderfunc_t)(unsigned char **,unsigned char **,int,int,sho
    \param p_llrOut Output vector
    \param p_profiler LDPC profiler statistics
 */
-typedef int32_t(*nrLDPC_decoderfunc_t)(t_nrLDPC_dec_params* , int8_t*, int8_t* , t_nrLDPC_procBuf* , t_nrLDPC_time_stats* );
+typedef int32_t(*nrLDPC_decoderfunc_t)(t_nrLDPC_dec_params *, int8_t *, int8_t *, t_nrLDPC_procBuf *, t_nrLDPC_time_stats * );
 #endif