diff -Naurp gcc/config/avr/avr-devices.c gcc/config/avr/avr-devices.c
--- gcc/config/avr/avr-devices.c 2011-11-08 17:00:35.000000000 +0530
+++ gcc/config/avr/avr-devices.c 2011-11-08 17:04:10.000000000 +0530
-@@ -268,9 +268,11 @@ const struct mcu_type_s avr_mcu_types[]
+@@ -267,9 +267,11 @@ const struct mcu_type_s avr_mcu_types[]
{ "atmxt336s", ARCH_AVRXMEGA2, "__AVR_ATMXT336S__", 0, 0x2000, "mxt336s"},
{ "atxmega16a4", ARCH_AVRXMEGA2, "__AVR_ATxmega16A4__", 0, 0x2000, "x16a4" },
{ "atxmega16a4u", ARCH_AVRXMEGA2, "__AVR_ATxmega16A4U__", 0, 0x2000, "x16a4u" },
{ "atxmega32d4", ARCH_AVRXMEGA2, "__AVR_ATxmega32D4__", 0, 0x2000, "x32d4" },
{ "atxmega32x1", ARCH_AVRXMEGA2, "__AVR_ATxmega32X1__", 0, 0x2000, "x32x1" },
/* Xmega, > 8K, <= 64K FLASH, > 64K RAM. */
-@@ -294,6 +296,7 @@ const struct mcu_type_s avr_mcu_types[]
+@@ -293,6 +295,7 @@ const struct mcu_type_s avr_mcu_types[]
{ "atxmega128a3u",ARCH_AVRXMEGA6, "__AVR_ATxmega128A3U__", 0, 0x2000, "x128a3u"},
{ "atxmega128b1", ARCH_AVRXMEGA6, "__AVR_ATxmega128B1__", 0, 0x2000, "x128b1" },
{ "atxmega128b3", ARCH_AVRXMEGA6, "__AVR_ATxmega128B3__", 0, 0x2000, "x128b3" },
{ "atxmega128d3", ARCH_AVRXMEGA6, "__AVR_ATxmega128D3__", 0, 0x2000, "x128d3" },
{ "atxmega128d4", ARCH_AVRXMEGA6, "__AVR_ATxmega128D4__", 0, 0x2000, "x128d4" },
{ "atxmega192a3", ARCH_AVRXMEGA6, "__AVR_ATxmega192A3__", 0, 0x2000, "x192a3" },
-@@ -303,6 +306,7 @@ const struct mcu_type_s avr_mcu_types[]
+@@ -302,6 +305,7 @@ const struct mcu_type_s avr_mcu_types[]
{ "atxmega256a3u",ARCH_AVRXMEGA6, "__AVR_ATxmega256A3U__", 0, 0x2000, "x256a3u"},
{ "atxmega256a3b",ARCH_AVRXMEGA6, "__AVR_ATxmega256A3B__", 0, 0x2000, "x256a3b" },
{ "atxmega256a3bu", ARCH_AVRXMEGA6, "__AVR_ATxmega256A3BU__", 0, 0x2000, "x256a3bu" },
diff -Naurp gcc/config/avr/t-avr gcc/config/avr/t-avr
--- gcc/config/avr/t-avr 2011-11-08 17:00:35.000000000 +0530
+++ gcc/config/avr/t-avr 2011-11-08 17:02:00.000000000 +0530
-@@ -282,7 +282,9 @@ MULTILIB_MATCHES = \
+@@ -281,7 +281,9 @@ MULTILIB_MATCHES = \
mmcu?avrxmega2=mmcu?atmxt336s \
mmcu?avrxmega2=mmcu?atxmega16a4 \
mmcu?avrxmega2=mmcu?atxmega16a4u \
mmcu?avrxmega2=mmcu?atxmega32d4 \
mmcu?avrxmega2=mmcu?atxmega32a4 \
mmcu?avrxmega2=mmcu?atxmega32a4u \
-@@ -300,6 +302,7 @@ MULTILIB_MATCHES = \
+@@ -299,6 +301,7 @@ MULTILIB_MATCHES = \
mmcu?avrxmega6=mmcu?atxmega128a3u \
mmcu?avrxmega6=mmcu?atxmega128b1 \
mmcu?avrxmega6=mmcu?atxmega128b3 \
mmcu?avrxmega6=mmcu?atxmega128d3 \
mmcu?avrxmega6=mmcu?atxmega128d4 \
mmcu?avrxmega6=mmcu?atxmega192a3 \
-@@ -309,6 +312,7 @@ MULTILIB_MATCHES = \
+@@ -308,6 +311,7 @@ MULTILIB_MATCHES = \
mmcu?avrxmega6=mmcu?atxmega256a3u \
mmcu?avrxmega6=mmcu?atxmega256a3b \
mmcu?avrxmega6=mmcu?atxmega256a3bu \