diff -Naurp binutils/size.c binutils/size.c
--- binutils/size.c	2012-12-17 18:26:59.000000000 +0530
+++ binutils/size.c	2012-12-17 18:27:19.000000000 +0530
@@ -348,6 +348,7 @@ avr_device_t avr[] =
 	{"atmega8u2",     AVR8K,   AVR512, AVR512},
 	{"attiny84",      AVR8K,   AVR512, AVR512},
 	{"attiny84a",     AVR8K,   AVR512, AVR512},
+	{"attiny841",	  AVR8K,   AVR512, AVR512},	
 	{"attiny85",      AVR8K,   AVR512, AVR512},
 	{"attiny861",     AVR8K,   AVR512, AVR512},
 	{"attiny861a",    AVR8K,   AVR512, AVR512},
diff -Naurp gas/config/tc-avr.c gas/config/tc-avr.c
--- gas/config/tc-avr.c	2012-12-17 18:26:59.000000000 +0530
+++ gas/config/tc-avr.c	2012-12-17 18:27:19.000000000 +0530
@@ -123,6 +123,7 @@ static struct mcu_type_s mcu_types[] =
   {"attiny25",   AVR_ISA_AVR25,   bfd_mach_avr25},
   {"attiny45",   AVR_ISA_AVR25,   bfd_mach_avr25},
   {"attiny85",   AVR_ISA_AVR25,   bfd_mach_avr25},
+  {"attiny841",  AVR_ISA_AVR25,   bfd_mach_avr25},
   {"attiny261",  AVR_ISA_AVR25,   bfd_mach_avr25},
   {"attiny261a", AVR_ISA_AVR25,   bfd_mach_avr25},
   {"attiny461",  AVR_ISA_AVR25,   bfd_mach_avr25},
diff -Naurp gas/doc/c-avr.texi gas/doc/c-avr.texi
--- gas/doc/c-avr.texi	2012-12-17 18:26:59.000000000 +0530
+++ gas/doc/c-avr.texi	2012-12-17 18:27:19.000000000 +0530
@@ -46,7 +46,7 @@ space plus the MOVW instruction (MCU typ
 attiny2313a, attiny24, attiny24a, attiny4313, attiny44, attiny44a, attiny84,
 attiny84a, attiny25, attiny45, attiny85, attiny261, attiny261a, attiny461,
 attiny461a, attiny861, attiny861a, attiny87, attiny43u, attiny48, attiny88,
-attiny828, at86rf401, ata5272).
+attiny828, attiny841, at86rf401, ata5272).
 
 Instruction set avr3 is for the classic AVR core with up to 128K program
 memory space (MCU types: at43usb355, at76c711).