re PR target/50354 (architecture mismatch between compiler and assembler)

	PR target/50354
	* config/sparc/linux64.h (TARGET_DEFAULT): Only override if the default
	processor is at least V9 and TARGET_64BIT_DEFAULT is defined.

From-SVN: r180013

gcc/ChangeLog

+2011-10-14  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR target/50354
+	* config/sparc/linux64.h (TARGET_DEFAULT): Only override if the default
+	processor is at least V9 and TARGET_64BIT_DEFAULT is defined.
+
 2011-10-14  Gerald Pfeifer  <gerald@pfeifer.com>
 
 	* invoke.texi (AVR Options): Avoid \leq{}.
@@ -252,6 +258,13 @@
 	* lto-streamer-out.c (lto_output_location): Use
 	streamer_hooks.output_location, if set.
 
+2011-10-13  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* doc/invoke.texi (SPARC options): Document -mfix-at697f.
+	* config/sparc/sparc.opt (mfix-at697f): New option.
+	* config/sparc/sparc.c (TARGET_MACHINE_DEPENDENT_REORG): Define.
+	(sparc_reorg): New function.
+
 2011-10-13  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/50712

gcc/config/sparc/linux64.h

@@ -31,7 +31,9 @@ along with GCC; see the file COPYING3.  If not see
     }						\
   while (0)
 
-#ifdef TARGET_64BIT_DEFAULT
+/* On Linux, the combination sparc64-* --with-cpu=v8 is supported and
+   selects a 32-bit compiler.  */
+#if defined(TARGET_64BIT_DEFAULT) && TARGET_CPU_DEFAULT >= TARGET_CPU_v9
 #undef TARGET_DEFAULT
 #define TARGET_DEFAULT \
   (MASK_V9 + MASK_PTR64 + MASK_64BIT + MASK_STACK_BIAS + \