re PR target/48743 (-march=native mis-detects AMD K6-2+ / K6-3 as Athlon -…

re PR target/48743 (-march=native mis-detects AMD K6-2+ / K6-3 as Athlon - compiled C fails with "illegal instruction")

2011-12-19  Quentin Neill  <quentin.neill@amd.com>
2011-12-19  Quentin Neill  <quentin.neill@amd.com>

	PR target/48743
	* config/i386/driver-i386.c (host_detect_local_cpu): Also check
	family to distinguish PROCESSOR_ATHLON.

From-SVN: r182489

gcc/ChangeLog

+2011-12-19  Quentin Neill  <quentin.neill@amd.com>
+
+	PR target/48743
+	* config/i386/driver-i386.c (host_detect_local_cpu): Also check
+	family to distinguish PROCESSOR_ATHLON.
+
 2011-12-19  Richard Guenther  <rguenther@suse.de>
 
 	PR lto/51573

gcc/config/i386/driver-i386.c

@@ -515,7 +515,7 @@ const char *host_detect_local_cpu (int argc, const char **argv)
 	processor = PROCESSOR_AMDFAM10;
       else if (has_sse2 || has_longmode)
 	processor = PROCESSOR_K8;
-      else if (has_3dnowp)
+      else if (has_3dnowp && family == 6)
 	processor = PROCESSOR_ATHLON;
       else if (has_mmx)
 	processor = PROCESSOR_K6;