Fix detection of AVX512IFMA in host_detect_local_cpu

gcc/
	* config/i386/driver-i386.c (host_detect_local_cpu): Fix detection of
	AVX512IFMA.

From-SVN: r239908

gcc/ChangeLog

+2016-08-31  Ilya Verbin  <iverbin@gmail.com>
+
+	* config/i386/driver-i386.c (host_detect_local_cpu): Fix detection of
+	AVX512IFMA.
+
 2016-08-31  David Malcolm  <dmalcolm@redhat.com>
 
 	* diagnostic-show-locus.c (class layout): Add field m_fixit_hints.

gcc/config/i386/driver-i386.c

@@ -498,7 +498,7 @@ const char *host_detect_local_cpu (int argc, const char **argv)
       has_avx512dq = ebx & bit_AVX512DQ;
       has_avx512bw = ebx & bit_AVX512BW;
       has_avx512vl = ebx & bit_AVX512VL;
-      has_avx512vl = ebx & bit_AVX512IFMA;
+      has_avx512ifma = ebx & bit_AVX512IFMA;
 
       has_prefetchwt1 = ecx & bit_PREFETCHWT1;
       has_avx512vbmi = ecx & bit_AVX512VBMI;