blob: df628a76e14ed2abb47a44adb17bfec07f4dd6e0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
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
|
