[patch] patch to properly detect VIA nano CPU for gcc 4.9+ versions

VIA_nano_4.9.diff (text/plain), 1.17 KB, created by Jocelyn Mayer on 2015-08-23 12:32:39 UTC

--- gcc/config/i386/driver-i386.c.orig	2015-02-02 05:20:49.000000000 +0100
+++ gcc/config/i386/driver-i386.c	2015-08-23 01:11:03.000000000 +0200
@@ -601,15 +601,20 @@
 	  switch (family)
 	    {
 	    case 6:
-	      if (model > 9)
-		/* Use the default detection procedure.  */
+	      if (has_longmode)
 		processor = PROCESSOR_GENERIC;
-	      else if (model == 9)
-		cpu = "c3-2";
-	      else if (model >= 6)
-		cpu = "c3";
 	      else
-		processor = PROCESSOR_GENERIC;
+		{
+		  if (model > 9)
+		    /* Use the default detection procedure.  */
+		    processor = PROCESSOR_GENERIC;
+		  else if (model == 9)
+		    cpu = "c3-2";
+		  else if (model >= 6)
+		    cpu = "c3";
+		  else
+		    processor = PROCESSOR_GENERIC;
+		}
 	      break;
 	    case 5:
 	      if (has_3dnow)
@@ -623,6 +628,8 @@
 	      /* We have no idea.  */
 	      processor = PROCESSOR_GENERIC;
 	    }
+	} else {
+	  processor = PROCESSOR_GENERIC;
 	}
     }
   else
@@ -840,7 +847,12 @@
       if (arch)
 	{
 	  if (has_ssse3)
-	    cpu = "core2";
+	    {
+	      if (vendor == signature_CENTAUR_ebx)
+		cpu = "x86-64";
+	      else
+		cpu = "core2";
+	    }
 	  else if (has_sse3)
 	    {
 	      if (has_longmode)