diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 00f7dcfff6c..f8c6011795d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2006-06-08  Michael Snyder  <msnyder@redhat.com>
+
+	* mips-tdep.c (fp_register_arg_p): Recognize floating point typedefs.
+
 2006-06-08  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* m68k-tdep.c (m68k_dwarf_reg_to_regnum): New.
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c
index ea6067c4641..f815512c8d9 100644
--- a/gdb/mips-tdep.c
+++ b/gdb/mips-tdep.c
@@ -2335,7 +2335,8 @@ fp_register_arg_p (enum type_code typecode, struct type *arg_type)
 	       && (typecode == TYPE_CODE_STRUCT
 		   || typecode == TYPE_CODE_UNION)
 	       && TYPE_NFIELDS (arg_type) == 1
-	       && TYPE_CODE (TYPE_FIELD_TYPE (arg_type, 0)) == TYPE_CODE_FLT))
+	       && TYPE_CODE (check_typedef (TYPE_FIELD_TYPE (arg_type, 0))) 
+	       == TYPE_CODE_FLT))
 	  && MIPS_FPU_TYPE != MIPS_FPU_NONE);
 }