diff -Naurp gcc/config/avr/avr-devices.c gcc/config/avr/avr-devices.c
---- gcc/config/avr/avr-devices.c 2011-10-28 11:44:14.000000000 +0530
-+++ gcc/config/avr/avr-devices.c 2011-10-28 11:55:44.000000000 +0530
-@@ -96,6 +96,7 @@ const struct mcu_type_s avr_mcu_types[]
- { "attiny87", ARCH_AVR25, "__AVR_ATtiny87__", 0, 0x0100, "tn87" },
+--- gcc/config/avr/avr-devices.c 2012-06-12 11:41:02.000000000 +0530
++++ gcc/config/avr/avr-devices.c 2012-06-12 11:48:03.000000000 +0530
+@@ -99,6 +99,7 @@ const struct mcu_type_s avr_mcu_types[]
{ "attiny48", ARCH_AVR25, "__AVR_ATtiny48__", 0, 0x0100, "tn48" },
{ "attiny88", ARCH_AVR25, "__AVR_ATtiny88__", 0, 0x0100, "tn88" },
-+ { "attiny80", ARCH_AVR25, "__AVR_ATtiny80__", 0, 0x0100, "tn80" },
+ { "attiny828", ARCH_AVR25, "__AVR_ATtiny828__", 0, 0x0100, "tn828" },
++ { "attiny841", ARCH_AVR25, "__AVR_ATtiny841__", 0, 0x0100, "tn841" },
{ "at86rf401", ARCH_AVR25, "__AVR_AT86RF401__", 1, 0x0060, "86401" },
/* Classic, > 8K, <= 64K +2-byte PC + { JMP/CALL }. */
{ "avr3", ARCH_AVR3, NULL, 0, 0x0060, "43355" },
diff -Naurp gcc/config/avr/t-avr gcc/config/avr/t-avr
---- gcc/config/avr/t-avr 2011-10-28 11:40:24.000000000 +0530
-+++ gcc/config/avr/t-avr 2011-10-28 11:55:44.000000000 +0530
-@@ -138,6 +138,7 @@ MULTILIB_MATCHES = \
- mmcu?avr25=mmcu?attiny87 \
+--- gcc/config/avr/t-avr 2012-06-12 11:41:02.000000000 +0530
++++ gcc/config/avr/t-avr 2012-06-12 11:45:26.000000000 +0530
+@@ -140,6 +140,7 @@ MULTILIB_MATCHES = \
mmcu?avr25=mmcu?attiny48 \
mmcu?avr25=mmcu?attiny88 \
-+ mmcu?avr25=mmcu?attiny80 \
+ mmcu?avr25=mmcu?attiny828 \
++ mmcu?avr25=mmcu?attiny841 \
mmcu?avr25=mmcu?at86rf401 \
mmcu?avr3=mmcu?at43usb355 \
mmcu?avr3=mmcu?at76c711 \