diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index ec40ddf4d..3323be988 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,7 @@
+2001-05-23  Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
+
+	* mips.h (CPU_R12000): Define.
+
 2001-05-23  John Healy  <jhealy@redhat.com>
 
 	* cgen.h: Increased CGEN_MAX_SYNTAX_ELEMENTS to 48.
diff --git a/include/opcode/mips.h b/include/opcode/mips.h
index d90b0e05e..7fd4703e5 100644
--- a/include/opcode/mips.h
+++ b/include/opcode/mips.h
@@ -358,6 +358,7 @@ struct mips_opcode
 #define CPU_R6000	6000
 #define CPU_R8000	8000
 #define CPU_R10000	10000
+#define CPU_R12000	12000
 #define CPU_MIPS16	16
 #define CPU_MIPS32	32
 #define CPU_MIPS32_4K	3204113         /* 32, 04, octal 'K'.  */