2010-11-18 Dzianis Kahanovich <mahatma@eu.by>

PR target/45359
* config/i386/driver-i386.c (vendor_signatures) Add SIG_VIA.
(host_detect_local_cpu): Detect VIA CPUs.

diff -pruN a/gcc/config/i386/driver-i386.c c/gcc/config/i386/driver-i386.c
--- a/gcc/config/i386/driver-i386.c	2010-11-17 14:29:55.000000000 +0200
+++ c/gcc/config/i386/driver-i386.c	2010-11-18 14:52:03.000000000 +0200
@@ -351,7 +351,8 @@ detect_caches_intel (bool xeon_mp, unsig
 enum vendor_signatures
 {
   SIG_INTEL =	0x756e6547 /* Genu */,
-  SIG_AMD =	0x68747541 /* Auth */
+  SIG_AMD =	0x68747541 /* Auth */,
+  SIG_VIA =	0x746e6543 /* Cent */
 };
 
 enum processor_signatures
@@ -477,7 +478,8 @@ const char *host_detect_local_cpu (int a
 
   if (!arch)
     {
-      if (vendor == SIG_AMD)
+      if (vendor == SIG_AMD || vendor == SIG_VIA)
+	/* FIXME: + transmeta + cyrix fam5/mod5 */
 	cache = detect_caches_amd (ext_level);
       else if (vendor == SIG_INTEL)
 	{
@@ -512,6 +514,24 @@ const char *host_detect_local_cpu (int a
       else
 	processor = PROCESSOR_PENTIUM;
     }
+  else if (vendor == SIG_VIA)
+     if (family == 6)
+	if (has_longmode)
+	  cpu = "core2";
+	else if (model > 9)
+	  cpu = arch ? "prescott" : "core2";
+	else if (model == 9)
+	  cpu = arch ? "c3-2" : "generic32";
+	else if (model >= 6)
+	  cpu = arch ? "c3" : "generic32";
+	else
+	  processor = PROCESSOR_GENERIC32;
+     else if (has_3dnow)
+	 cpu = arch ? "winchip2" : "generic32";
+     else if (has_mmx)
+	 cpu = arch ? "winchip2-c6" : "generic32";
+     else
+	processor = PROCESSOR_GENERIC32;
   else
     {
       switch (family)