diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0404-Support-unknown-Intel-family-0x6-CPUs.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0404-Support-unknown-Intel-family-0x6-CPUs.patch | 48 |
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 000000000..df628a76e --- /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 + |