dwarf2out.c (const_ok_for_output_1): Print the unspec enum name if possible.

2011-03-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* dwarf2out.c (const_ok_for_output_1): Print the unspec enum name
	if possible.

From-SVN: r171340

gcc/ChangeLog

+2011-03-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+	* dwarf2out.c (const_ok_for_output_1): Print the unspec enum name
+	if possible.
+
 2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>
 
 	* emit-rtl.c (emit_pattern_before_noloc): New function.

gcc/dwarf2out.c

@@ -13616,9 +13616,16 @@ const_ok_for_output_1 (rtx *rtlp, void *data ATTRIBUTE_UNUSED)
 	inform (current_function_decl
 		? DECL_SOURCE_LOCATION (current_function_decl)
 		: UNKNOWN_LOCATION,
+#if NUM_UNSPEC_VALUES > 0
+		"non-delegitimized UNSPEC %s (%d) found in variable location",
+		((XINT (rtl, 1) >= 0 && XINT (rtl, 1) < NUM_UNSPEC_VALUES)
+		 ? unspec_strings[XINT (rtl, 1)] : "unknown"),
+		XINT (rtl, 1));
+#else
 		"non-delegitimized UNSPEC %d found in variable location",
 		XINT (rtl, 1));
 #endif
+#endif
       expansion_failed (NULL_TREE, rtl,
 			"UNSPEC hasn't been delegitimized.\n");
       return 1;