From 4ffae7ff4745df9ca911eaebf83edd74ee76f296 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Wed, 8 Jun 2011 13:48:58 +0000 Subject: [PATCH] Support unknown Intel family 0x6 CPUs. 2011-06-08 H.J. Lu * config/i386/driver-i386.c (host_detect_local_cpu): Support unknown Intel family 0x6 CPUs. From-SVN: r174809 --- gcc/ChangeLog | 5 +++++ gcc/config/i386/driver-i386.c | 19 ++++++++++++++++--- 2 files changed, 21 insertions(+), 3 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 024f6b6b0d2..7f53eaf576c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-06-08 H.J. Lu + + * config/i386/driver-i386.c (host_detect_local_cpu): Support + unknown Intel family 0x6 CPUs. + 2011-06-08 Martin Jambor * tree-sra.c (mark_rw_status): Removed. diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c index 4fc6b451f68..985a6ff5606 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"; -- 2.30.2