| Message ID | 20110608132015.GA22757@intel.com |
|---|---|
| State | New |
| Headers | show |
On Wed, Jun 8, 2011 at 3:20 PM, H.J. Lu <hongjiu.lu@intel.com> wrote: > Hi, > > This patch supports unknown Intel family 0x6 CPUs. OK for trunk and > 4.6 branch? > > Thanks. > > H.J. > -- > 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. OK. Thanks, Uros.
diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c 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";