dwarf2asm.c (unaligned_integer_asm_op): Abort if op is NULL.

	* dwarf2asm.c (unaligned_integer_asm_op): Abort if
	op is NULL.
	* sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use
	only if TARGET_ARCH64.

From-SVN: r45995

gcc/ChangeLog

+Wed Oct  3 12:22:11 EDT 2001  John Wehle  (john@feith.com)
+
+	* dwarf2asm.c (unaligned_integer_asm_op): Abort if
+	op is NULL.
+	* sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use
+	only if TARGET_ARCH64.
+
 2001-10-02  Bernd Schmidt  <bernds@redhat.com>
 
 	* doc/extend.texi: Fix some problems with previous checkin.

gcc/config/sparc/sysv4.h

@@ -96,7 +96,7 @@ Boston, MA 02111-1307, USA.  */
 #define STRING_ASM_OP		"\t.asciz\t"
 #define COMMON_ASM_OP		"\t.common\t"
 #define SKIP_ASM_OP		"\t.skip\t"
-#define UNALIGNED_DOUBLE_INT_ASM_OP "\t.uaxword\t"
+#define UNALIGNED_DOUBLE_INT_ASM_OP (TARGET_ARCH64 ? "\t.uaxword\t" : NULL)
 #define UNALIGNED_INT_ASM_OP	"\t.uaword\t"
 #define UNALIGNED_SHORT_ASM_OP	"\t.uahalf\t"
 #define PUSHSECTION_ASM_OP	"\t.pushsection\t"

gcc/dwarf2asm.c

@@ -54,7 +54,7 @@ static inline const char *
 unaligned_integer_asm_op (size)
      int size;
 {
-  const char *op;
+  const char *op = NULL;
   switch (size)
     {
     case 1:
@@ -74,6 +74,10 @@ unaligned_integer_asm_op (size)
     default:
       abort ();
     }
+
+  if (! op)
+    abort ();
+
   return op;
 }
 #endif /* UNALIGNED_INT_ASM_OP */