diff --git a/include/gdb/ChangeLog b/include/gdb/ChangeLog
index 97c2f443c..9a216a0f3 100644
--- a/include/gdb/ChangeLog
+++ b/include/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2003-03-27  Nick Clifton  <nickc@redhat.com>
+
+	* sim-arm.h (sim_arm_regs): Add iWMMXt registers.
+
 2003-03-20  Nick Clifton  <nickc@redhat.com>
 
 	* sim-arm.h (sim_arm_regs): Add Maverick co-processor
diff --git a/include/gdb/sim-arm.h b/include/gdb/sim-arm.h
index fae11f0b1..5598f73fa 100644
--- a/include/gdb/sim-arm.h
+++ b/include/gdb/sim-arm.h
@@ -72,7 +72,39 @@ enum sim_arm_regs
   SIM_ARM_MAVERIC_COP0R13_REGNUM,
   SIM_ARM_MAVERIC_COP0R14_REGNUM,
   SIM_ARM_MAVERIC_COP0R15_REGNUM,
-  SIM_ARM_MAVERIC_DSPSC_REGNUM
+  SIM_ARM_MAVERIC_DSPSC_REGNUM,
+  SIM_ARM_IWMMXT_COP0R0_REGNUM,
+  SIM_ARM_IWMMXT_COP0R1_REGNUM,
+  SIM_ARM_IWMMXT_COP0R2_REGNUM,
+  SIM_ARM_IWMMXT_COP0R3_REGNUM,
+  SIM_ARM_IWMMXT_COP0R4_REGNUM,
+  SIM_ARM_IWMMXT_COP0R5_REGNUM,
+  SIM_ARM_IWMMXT_COP0R6_REGNUM,
+  SIM_ARM_IWMMXT_COP0R7_REGNUM,
+  SIM_ARM_IWMMXT_COP0R8_REGNUM,
+  SIM_ARM_IWMMXT_COP0R9_REGNUM,
+  SIM_ARM_IWMMXT_COP0R10_REGNUM,
+  SIM_ARM_IWMMXT_COP0R11_REGNUM,
+  SIM_ARM_IWMMXT_COP0R12_REGNUM,
+  SIM_ARM_IWMMXT_COP0R13_REGNUM,
+  SIM_ARM_IWMMXT_COP0R14_REGNUM,
+  SIM_ARM_IWMMXT_COP0R15_REGNUM,
+  SIM_ARM_IWMMXT_COP1R0_REGNUM,
+  SIM_ARM_IWMMXT_COP1R1_REGNUM,
+  SIM_ARM_IWMMXT_COP1R2_REGNUM,
+  SIM_ARM_IWMMXT_COP1R3_REGNUM,
+  SIM_ARM_IWMMXT_COP1R4_REGNUM,
+  SIM_ARM_IWMMXT_COP1R5_REGNUM,
+  SIM_ARM_IWMMXT_COP1R6_REGNUM,
+  SIM_ARM_IWMMXT_COP1R7_REGNUM,
+  SIM_ARM_IWMMXT_COP1R8_REGNUM,
+  SIM_ARM_IWMMXT_COP1R9_REGNUM,
+  SIM_ARM_IWMMXT_COP1R10_REGNUM,
+  SIM_ARM_IWMMXT_COP1R11_REGNUM,
+  SIM_ARM_IWMMXT_COP1R12_REGNUM,
+  SIM_ARM_IWMMXT_COP1R13_REGNUM,
+  SIM_ARM_IWMMXT_COP1R14_REGNUM,
+  SIM_ARM_IWMMXT_COP1R15_REGNUM
 };
 
 #ifdef __cplusplus