1 files changed, 48 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0404-Support-unknown-Intel-family-0x6-CPUs.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0404-Support-unknown-Intel-family-0x6-CPUs.patch
new file mode 100644
index 0000000000..df628a76e1
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0404-Support-unknown-Intel-family-0x6-CPUs.patch
@@ -0,0 +1,48 @@
+From d70a1b2dbd4a959f37b5e3b3b4ca297960ac31fa Mon Sep 17 00:00:00 2001
+From: hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Wed, 8 Jun 2011 13:50:59 +0000
+Subject: [PATCH] Support unknown Intel family 0x6 CPUs.
+
+2011-06-08  H.J. Lu  <hongjiu.lu@intel.com>
+
+        Backport from mainline
+        2011-06-08  H.J. Lu  <hongjiu.lu@intel.com>
+
+        * config/i386/driver-i386.c (host_detect_local_cpu): Support
+        unknown Intel family 0x6 CPUs.
+
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174810 138bc75d-0d04-0410-961f-82ee72b054a4
+
+index 4fc6b45..985a6ff 100644
+--- a/gcc/config/i386/driver-i386.c
++++ b/gcc/config/i386/driver-i386.c
+@@ -587,9 +587,22 @@ const char *host_detect_local_cpu (int argc, const char **argv)
+        default:
+          if (arch)
+            {
+-             if (has_ssse3)
+-               /* If it is an unknown CPU with SSSE3, assume Core 2.  */
+-               cpu = "core2";
++             /* This is unknown family 0x6 CPU.  */
++             if (has_avx)
++               /* Assume Sandy Bridge.  */
++               cpu = "corei7-avx";
++             else if (has_sse4_2)
++               /* Assume Core i7.  */
++               cpu = "corei7";
++             else if (has_ssse3)
++               {
++                 if (has_movbe)
++                   /* Assume Atom.  */
++                   cpu = "atom";
++                 else
++                   /* Assume Core 2.  */
++                   cpu = "core2";
++               }
+              else if (has_sse3)
+                /* It is Core Duo.  */
+                cpu = "pentium-m";
+-- 
+1.7.0.4
+