X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/8224307338ec20bfae52e1c0b7f4a411b976ebdf..f950ce1cb993325c2f743f6215b4874ec2360fd1:/client/cmdhfmfhard.c

diff --git a/client/cmdhfmfhard.c b/client/cmdhfmfhard.c
index 59bdc5f7..ee46b79c 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__ > 4) 
 	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");