phy: disable AVX512 extensions in the demodulation mapper for GCC version 9 and lower

Author: xavierarteaga

lib/phy/upper/channel_modulation/avx512_helpers.h

@@ -12,6 +12,26 @@
 
 #include <immintrin.h>
 
+#ifndef __AVX512F__
+#error "Architecture missmatch. Missing avx512f."
+#endif // __AVX512F__
+
+#ifndef __AVX512BW__
+#error "Architecture missmatch. Missing avx512bw."
+#endif // __AVX512BW__
+
+#ifndef __AVX512DQ__
+#error "Architecture missmatch. Missing avx512dq."
+#endif // __AVX512DQ__
+
+#ifndef __AVX512VBMI__
+#error "Architecture missmatch. Missing avx512vbmi."
+#endif // __AVX512VBMI__
+
+#if defined(__GNUC__) && (__GNUC__ <= 9)
+#error "GCC version must be greater than 9."
+#endif // defined(__GNUC__) && (__GNUC__ <= 9)
+
 namespace srsran {
 
 namespace mm512 {

lib/phy/upper/channel_modulation/demodulation_mapper_qam256.cpp

@@ -11,10 +11,11 @@
 #include "demodulation_mapper_intervals.h"
 #include "srsran/phy/upper/log_likelihood_ratio.h"
 
-#if defined(__AVX512F__) && defined(__AVX512BW__) && defined(__AVX512DQ__) && defined(__AVX512VBMI__)
+#if defined(__AVX512F__) && defined(__AVX512BW__) && defined(__AVX512DQ__) && defined(__AVX512VBMI__) &&               \
+    (!defined(__GNUC__) || (__GNUC__ > 9))
 #define HAVE_AVX512
 #include "avx512_helpers.h"
-#endif // defined(__AVX512F__) && defined(__AVX512BW__) && defined(__AVX512DQ__) && defined(__AVX512VBMI__)
+#endif
 
 #ifdef __AVX2__
 #include "avx2_helpers.h"

lib/phy/upper/channel_modulation/demodulation_mapper_qam64.cpp

@@ -11,10 +11,11 @@
 #include "demodulation_mapper_intervals.h"
 #include "srsran/phy/upper/log_likelihood_ratio.h"
 
-#if defined(__AVX512F__) && defined(__AVX512BW__) && defined(__AVX512DQ__) && defined(__AVX512VBMI__)
+#if defined(__AVX512F__) && defined(__AVX512BW__) && defined(__AVX512DQ__) && defined(__AVX512VBMI__) &&               \
+    (!defined(__GNUC__) || (__GNUC__ > 9))
 #define HAVE_AVX512
 #include "avx512_helpers.h"
-#endif // defined(__AVX512F__) && defined(__AVX512BW__) && defined(__AVX512DQ__) && defined(__AVX512VBMI__)
+#endif
 
 #ifdef __AVX2__
 #include "avx2_helpers.h"