X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c7b2751136b82bb3c0c61b49cc8cb4008a65d8dd..3d542a3dfa511ff7a7545136c1980060cf676f02:/client/cmdhfmfhard.c?ds=sidebyside

diff --git a/client/cmdhfmfhard.c b/client/cmdhfmfhard.c
index 59bdc5f7..01dcc35d 100644
--- a/client/cmdhfmfhard.c
+++ b/client/cmdhfmfhard.c
@@ -69,8 +69,12 @@ static float brute_force_per_second;
 
 
 static void get_SIMD_instruction_set(char* instruction_set) {
+	#if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) 
 	if (__builtin_cpu_supports("avx512f")) strcpy(instruction_set, "AVX512F");
 	else if (__builtin_cpu_supports("avx2")) strcpy(instruction_set, "AVX2");
+	#else 
+	if (__builtin_cpu_supports("avx2")) strcpy(instruction_set, "AVX2");
+	#endif
 	else if (__builtin_cpu_supports("avx")) strcpy(instruction_set, "AVX");
 	else if (__builtin_cpu_supports("sse2")) strcpy(instruction_set, "SSE2");
 	else if (__builtin_cpu_supports("mmx")) strcpy(instruction_set, "MMX");