[PATCH] Treat model == 0x4f as Broadwell

[H.J. Lu]

>From Intel SDM Vol 3:

Table 35-29 lists MSRs that are common to processors based on the
Broadwell microarchitectures (including CPUID signatures 06_3DH, 06_47H,
06_4FH, and 06_56H).

OK for trunk?

H.J.
---
        * config/i386/driver-i386.c (host_detect_local_cpu): Treat
        model == 0x4f as Broadwell.

diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c
index 1c6c221..bc5239e 100644
--- a/gcc/config/i386/driver-i386.c
+++ b/gcc/config/i386/driver-i386.c
@@ -749,6 +749,7 @@ const char *host_detect_local_cpu (int argc, const char 
**argv)
          cpu = "haswell";
          break;
        case 0x3d:
+       case 0x47:
        case 0x4f:
        case 0x56:
          /* Broadwell.  */