diff --git a/gas/ChangeLog b/gas/ChangeLog
index 1e3ba8bd4f..1110da098a 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2008-03-28  Eric B. Weddington  <eric.weddington@atmel.com>
+
+	* config/tc-avr.c (mcu_types): Add atmega32u4.
+	* doc/c-avr.texi: Likewise.
+
 2008-03-28  Eric B. Weddington  <eric.weddington@atmel.com>
 
 	* config/tc-avr.c (mcu_types): Add atmega32c1.
diff --git a/gas/config/tc-avr.c b/gas/config/tc-avr.c
index 3817683a5b..49ee893b0b 100644
--- a/gas/config/tc-avr.c
+++ b/gas/config/tc-avr.c
@@ -163,6 +163,7 @@ static struct mcu_type_s mcu_types[] =
   {"at90pwm316", AVR_ISA_M323,    bfd_mach_avr5},
   {"atmega32c1", AVR_ISA_M323,    bfd_mach_avr5},
   {"atmega32m1", AVR_ISA_M323,    bfd_mach_avr5},
+  {"atmega32u4", AVR_ISA_M323,    bfd_mach_avr5},
   {"at90usb646", AVR_ISA_M323,    bfd_mach_avr5},
   {"at90usb647", AVR_ISA_M323,    bfd_mach_avr5},
   {"at90usb1286",AVR_ISA_M128,    bfd_mach_avr5},
diff --git a/gas/doc/c-avr.texi b/gas/doc/c-avr.texi
index 774c2e5b4c..285ad9059c 100644
--- a/gas/doc/c-avr.texi
+++ b/gas/doc/c-avr.texi
@@ -60,8 +60,8 @@ atmega328p, atmega329, atmega329p, atmega3250, atmega3250p, atmega3290,
 atmega3290p, atmega32hvb, atmega406, atmega64, atmega640, atmega644,
 atmega644p, atmega128, atmega1280, atmega1281, atmega1284p, atmega645,
 atmega649, atmega6450, atmega6490, atmega16hva, at90can32, at90can64,
-at90can128, at90pwm216, at90pwm316, atmega32c1, atmega32m1, at90usb646,
-at90usb647, at90usb1286, at90usb1287, at94k).
+at90can128, at90pwm216, at90pwm316, atmega32c1, atmega32m1, atmega32u4, 
+at90usb646, at90usb647, at90usb1286, at90usb1287, at94k).
 
 Instruction set avr6 is for the enhanced AVR core with 256K program
 memory space (MCU types: atmega2560, atmega2561).