diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a9efa52b45b..58cda91f602 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-08-03  Richard Henderson  <rth@redhat.com>
+
+	* config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
+	constant data.
+
 2001-08-03  Richard Henderson  <rth@redhat.com>
 
 	* rtlanal.c (find_first_parameter_load): Stop if we
diff --git a/gcc/config/ia64/sysv4.h b/gcc/config/ia64/sysv4.h
index 02da9e47ebc..de39c1ebc5f 100644
--- a/gcc/config/ia64/sysv4.h
+++ b/gcc/config/ia64/sysv4.h
@@ -62,25 +62,23 @@ do {									\
 #define ASM_OUTPUT_LABELREF(STREAM, NAME) 				\
   do									\
     {									\
-      const char * real_name;						\
-      const char * name_end;						\
+      const char *real_name;						\
+      const char *name_end;						\
 									\
       STRIP_NAME_ENCODING (real_name, NAME);				\
       name_end = strchr (real_name, '+');				\
 									\
+      fputs (user_label_prefix, STREAM);				\
       if (name_end)							\
-	* name_end = 0;							\
-									\
-      asm_fprintf (STREAM, "%U%s", real_name);				\
+	fwrite (real_name, name_end - real_name, 1, STREAM);		\
+      else								\
+	fputs (real_name, STREAM);					\
 									\
       if (ia64_asm_output_label)					\
-	asm_fprintf (STREAM, "#");					\
+	fputc ('#', STREAM);						\
 									\
       if (name_end)							\
-	{								\
-	  * name_end = '+';						\
-	  asm_fprintf (STREAM, name_end);				\
-	}								\
+	fputs (name_end, STREAM);					\
     }									\
   while (0)