Turn on 64bit and check models for x32.

2011-07-10  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_option_override_internal): Turn on
	OPTION_MASK_ISA_64BIT for TARGET_X32.  Only allow small and
	small PIC models for TARGET_X32.

From-SVN: r176127

gcc/ChangeLog

+2011-07-10  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* config/i386/i386.c (ix86_option_override_internal): Turn on
+	OPTION_MASK_ISA_64BIT for TARGET_X32.  Only allow small and
+	small PIC models for TARGET_X32.
+
 2011-07-10  Hans-Peter Nilsson  <hp@axis.com>
 
 	PR target/49684

gcc/config/i386/i386.c

@@ -2973,6 +2973,9 @@ ix86_option_override_internal (bool main_args_p)
   SUBSUBTARGET_OVERRIDE_OPTIONS;
 #endif
 
+  if (TARGET_X32)
+    ix86_isa_flags |= OPTION_MASK_ISA_64BIT;
+
   /* -fPIC is the default for x86_64.  */
   if (TARGET_MACHO && TARGET_64BIT)
     flag_pic = 2;
@@ -3064,6 +3067,9 @@ ix86_option_override_internal (bool main_args_p)
 	  if (!TARGET_64BIT)
 	    error ("code model %qs not supported in the %s bit mode",
 		   "medium", "32");
+	  else if (TARGET_X32)
+	    error ("code model %qs not supported in x32 mode",
+		   "medium");
 	  break;
 
 	case CM_LARGE:
@@ -3073,6 +3079,9 @@ ix86_option_override_internal (bool main_args_p)
 	  if (!TARGET_64BIT)
 	    error ("code model %qs not supported in the %s bit mode",
 		   "large", "32");
+	  else if (TARGET_X32)
+	    error ("code model %qs not supported in x32 mode",
+		   "medium");
 	  break;
 
 	case CM_32: