diff -Naurp gcc/config/avr/avr-devices.c gcc/config/avr/avr-devices.c
---- gcc/config/avr/avr-devices.c 2011-09-07 18:19:24.000000000 +0300
-+++ gcc/config/avr/avr-devices.c 2011-09-07 18:22:51.000000000 +0300
-@@ -276,6 +276,7 @@ const struct mcu_type_s avr_mcu_types[]
+--- gcc/config/avr/avr-devices.c 2011-10-28 14:31:05.000000000 +0530
++++ gcc/config/avr/avr-devices.c 2011-10-28 14:34:49.000000000 +0530
+@@ -275,6 +275,7 @@ const struct mcu_type_s avr_mcu_types[]
{ "avrxmega4", ARCH_AVRXMEGA4, NULL, 0, 0x2000, "x64d3" },
{ "atxmega64a3", ARCH_AVRXMEGA4, "__AVR_ATxmega64A3__", 0, 0x2000, "x64a3" },
{ "atxmega64a3u", ARCH_AVRXMEGA4, "__AVR_ATxmega64A3U__", 0, 0x2000, "x64a3u"},
{ "atxmega64d3", ARCH_AVRXMEGA4, "__AVR_ATxmega64D3__", 0, 0x2000, "x64d3" },
{ "atxmega64d4", ARCH_AVRXMEGA4, "__AVR_ATxmega64D4__", 0, 0x2000, "x64d4" },
diff -Naurp gcc/config/avr/t-avr gcc/config/avr/t-avr
---- gcc/config/avr/t-avr 2011-09-07 18:19:24.000000000 +0300
-+++ gcc/config/avr/t-avr 2011-09-07 18:23:45.000000000 +0300
-@@ -287,6 +287,7 @@ MULTILIB_MATCHES = \
+--- gcc/config/avr/t-avr 2011-10-28 14:31:05.000000000 +0530
++++ gcc/config/avr/t-avr 2011-10-28 14:34:49.000000000 +0530
+@@ -285,6 +285,7 @@ MULTILIB_MATCHES = \
mmcu?avrxmega2=mmcu?atxmega32x1 \
mmcu?avrxmega4=mmcu?atxmega64a3 \
mmcu?avrxmega4=mmcu?atxmega64a3u \