diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6feb09b5a90..461f59595c4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-12-15  Kazuhiro Inaoka <inaoka.kazuhiro@reneasas.com>
+
+	* config/m32r/m32r.h (PREFERRED_DEBUGGING_TYPE):
+	Use DWARF2_DEBUG.
+
 2004-12-15  Richard Sandiford  <rsandifo@redhat.com>
 
 	* config/mips/mips.c (mips_arg_info): Use FUNCTION_ARG_BOUNDARY to
diff --git a/gcc/config/m32r/m32r.h b/gcc/config/m32r/m32r.h
index 1b5aa5b5192..830ae82a576 100644
--- a/gcc/config/m32r/m32r.h
+++ b/gcc/config/m32r/m32r.h
@@ -1696,9 +1696,9 @@ extern char m32r_punct_chars[256];
 #define DBX_DEBUGGING_INFO    1
 #define DWARF2_DEBUGGING_INFO 1
 
-/* Prefer STABS (for now).  */
+/* Use DWARF2 debugging info by default.  */
 #undef  PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
 
 /* Turn off splitting of long stabs.  */
 #define DBX_CONTIN_LENGTH 0