From: Quentin Neill <quentin.neill@amd.com>
Date: Thu, 19 Jan 2012 20:15:29 +0000 (+0000)
Subject: re PR target/48743 (-march=native mis-detects AMD K6-2+ / K6-3 as Athlon - compiled... 
X-Git-Tag: releases/gcc-4.6.3~165
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c7cbbc100b9f32dd6407cb0dd2edc313473676f;p=thirdparty%2Fgcc.git

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

2012-01-19  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: r183309
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 40de99b07755..1619611f845a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2012-01-19  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.
+
 2012-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 
 	PR tree-optimization/49642
diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c
index 985a6ff5606e..0b5fd99d4d06 100644
--- a/gcc/config/i386/driver-i386.c
+++ b/gcc/config/i386/driver-i386.c
@@ -507,7 +507,7 @@ 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;