diff --git a/gcc/config/avr/avr-arch.h b/gcc/config/avr/avr-arch.h
index 42eaee5..e0961d4 100644
--- a/gcc/config/avr/avr-arch.h
+++ b/gcc/config/avr/avr-arch.h
@@ -122,6 +122,9 @@ typedef struct
 
   /* Number of 64k segments in the flash.  */
   int n_flash;
+
+  /* Flash size in bytes.  */
+  int flash_size;
 } avr_mcu_t;
 
 /* AVR device specific features.
diff --git a/gcc/config/avr/avr-devices.c b/gcc/config/avr/avr-devices.c
index 7d13ba4..cef3b9a 100644
--- a/gcc/config/avr/avr-devices.c
+++ b/gcc/config/avr/avr-devices.c
@@ -111,12 +111,12 @@ avr_texinfo[] =
 const avr_mcu_t
 avr_mcu_types[] =
 {
-#define AVR_MCU(NAME, ARCH, DEV_ATTRIBUTE, MACRO, DATA_SEC, TEXT_SEC, N_FLASH)\
-  { NAME, ARCH, DEV_ATTRIBUTE, MACRO, DATA_SEC, TEXT_SEC, N_FLASH },
+#define AVR_MCU(NAME, ARCH, DEV_ATTRIBUTE, MACRO, DATA_SEC, TEXT_SEC, N_FLASH, FLASH_SIZE)\
+  { NAME, ARCH, DEV_ATTRIBUTE, MACRO, DATA_SEC, TEXT_SEC, N_FLASH, FLASH_SIZE },
 #include "avr-mcus.def"
 #undef AVR_MCU
     /* End of list.  */
-  { NULL, ARCH_UNKNOWN, AVR_ISA_NONE, NULL, 0, 0, 0 }
+  { NULL, ARCH_UNKNOWN, AVR_ISA_NONE, NULL, 0, 0, 0, 0 }
 };
 
 
diff --git a/gcc/config/avr/avr-mcus.def b/gcc/config/avr/avr-mcus.def
index 6bcc6ff..9d4aa1a 100644
--- a/gcc/config/avr/avr-mcus.def
+++ b/gcc/config/avr/avr-mcus.def
@@ -62,295 +62,297 @@
        N_FLASH       Number of 64 KiB flash segments, rounded up.  The default
                      value for -mn-flash=<N_FLASH>.
 
+       FLASH_SIZE    Flash size in bytes.
+
    "avr2" must be first for the "0" default to work as intended.  */
 
 /* Classic, <= 8K.  */
-AVR_MCU ("avr2",             ARCH_AVR2, AVR_ERRATA_SKIP, NULL,                     0x0060, 0x0, 6)
-AVR_MCU ("at90s2313",        ARCH_AVR2, AVR_SHORT_SP, "__AVR_AT90S2313__",         0x0060, 0x0, 1)
-AVR_MCU ("at90s2323",        ARCH_AVR2, AVR_SHORT_SP, "__AVR_AT90S2323__",         0x0060, 0x0, 1)
-AVR_MCU ("at90s2333",        ARCH_AVR2, AVR_SHORT_SP, "__AVR_AT90S2333__",         0x0060, 0x0, 1)
-AVR_MCU ("at90s2343",        ARCH_AVR2, AVR_SHORT_SP, "__AVR_AT90S2343__",         0x0060, 0x0, 1)
-AVR_MCU ("attiny22",         ARCH_AVR2, AVR_SHORT_SP, "__AVR_ATtiny22__",          0x0060, 0x0, 1)
-AVR_MCU ("attiny26",         ARCH_AVR2, AVR_SHORT_SP, "__AVR_ATtiny26__",          0x0060, 0x0, 1)
-AVR_MCU ("at90s4414",        ARCH_AVR2, AVR_ISA_NONE, "__AVR_AT90S4414__",         0x0060, 0x0, 1)
-AVR_MCU ("at90s4433",        ARCH_AVR2, AVR_SHORT_SP, "__AVR_AT90S4433__",         0x0060, 0x0, 1)
-AVR_MCU ("at90s4434",        ARCH_AVR2, AVR_ISA_NONE, "__AVR_AT90S4434__",         0x0060, 0x0, 1)
-AVR_MCU ("at90s8515",        ARCH_AVR2, AVR_ERRATA_SKIP, "__AVR_AT90S8515__",      0x0060, 0x0, 1)
-AVR_MCU ("at90c8534",        ARCH_AVR2, AVR_ISA_NONE, "__AVR_AT90C8534__",         0x0060, 0x0, 1)
-AVR_MCU ("at90s8535",        ARCH_AVR2, AVR_ISA_NONE, "__AVR_AT90S8535__",         0x0060, 0x0, 1)
+AVR_MCU ("avr2",             ARCH_AVR2, AVR_ERRATA_SKIP, NULL,                     0x0060, 0x0, 6, 0x2000)
+AVR_MCU ("at90s2313",        ARCH_AVR2, AVR_SHORT_SP, "__AVR_AT90S2313__",         0x0060, 0x0, 1, 0x800)
+AVR_MCU ("at90s2323",        ARCH_AVR2, AVR_SHORT_SP, "__AVR_AT90S2323__",         0x0060, 0x0, 1, 0x800)
+AVR_MCU ("at90s2333",        ARCH_AVR2, AVR_SHORT_SP, "__AVR_AT90S2333__",         0x0060, 0x0, 1, 0x800)
+AVR_MCU ("at90s2343",        ARCH_AVR2, AVR_SHORT_SP, "__AVR_AT90S2343__",         0x0060, 0x0, 1, 0x800)
+AVR_MCU ("attiny22",         ARCH_AVR2, AVR_SHORT_SP, "__AVR_ATtiny22__",          0x0060, 0x0, 1, 0x800)
+AVR_MCU ("attiny26",         ARCH_AVR2, AVR_SHORT_SP, "__AVR_ATtiny26__",          0x0060, 0x0, 1, 0x800)
+AVR_MCU ("at90s4414",        ARCH_AVR2, AVR_ISA_NONE, "__AVR_AT90S4414__",         0x0060, 0x0, 1, 0x1000)
+AVR_MCU ("at90s4433",        ARCH_AVR2, AVR_SHORT_SP, "__AVR_AT90S4433__",         0x0060, 0x0, 1, 0x1000)
+AVR_MCU ("at90s4434",        ARCH_AVR2, AVR_ISA_NONE, "__AVR_AT90S4434__",         0x0060, 0x0, 1, 0x1000)
+AVR_MCU ("at90s8515",        ARCH_AVR2, AVR_ERRATA_SKIP, "__AVR_AT90S8515__",      0x0060, 0x0, 1, 0x2000)
+AVR_MCU ("at90c8534",        ARCH_AVR2, AVR_ISA_NONE, "__AVR_AT90C8534__",         0x0060, 0x0, 1, 0x2000)
+AVR_MCU ("at90s8535",        ARCH_AVR2, AVR_ISA_NONE, "__AVR_AT90S8535__",         0x0060, 0x0, 1, 0x2000)
 /* Classic + MOVW, <= 8K.  */
-AVR_MCU ("avr25",            ARCH_AVR25, AVR_ISA_NONE, NULL,                       0x0060, 0x0, 1)
-AVR_MCU ("ata5272",          ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATA5272__",          0x0100, 0x0, 1)
-AVR_MCU ("ata6616c",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATA6616C__",         0x0100, 0x0, 1)
-AVR_MCU ("attiny13",         ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny13__",         0x0060, 0x0, 1)
-AVR_MCU ("attiny13a",        ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny13A__",        0x0060, 0x0, 1)
-AVR_MCU ("attiny2313",       ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny2313__",       0x0060, 0x0, 1)
-AVR_MCU ("attiny2313a",      ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny2313A__",      0x0060, 0x0, 1)
-AVR_MCU ("attiny24",         ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny24__",         0x0060, 0x0, 1)
-AVR_MCU ("attiny24a",        ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny24A__",        0x0060, 0x0, 1)
-AVR_MCU ("attiny4313",       ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny4313__",       0x0060, 0x0, 1)
-AVR_MCU ("attiny44",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny44__",         0x0060, 0x0, 1)
-AVR_MCU ("attiny44a",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny44A__",        0x0060, 0x0, 1)
-AVR_MCU ("attiny441",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny441__",        0x0100, 0x0, 1)
-AVR_MCU ("attiny84",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny84__",         0x0060, 0x0, 1)
-AVR_MCU ("attiny84a",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny84A__",        0x0060, 0x0, 1)
-AVR_MCU ("attiny25",         ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny25__",         0x0060, 0x0, 1)
-AVR_MCU ("attiny45",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny45__",         0x0060, 0x0, 1)
-AVR_MCU ("attiny85",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny85__",         0x0060, 0x0, 1)
-AVR_MCU ("attiny261",        ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny261__",        0x0060, 0x0, 1)
-AVR_MCU ("attiny261a",       ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny261A__",       0x0060, 0x0, 1)
-AVR_MCU ("attiny461",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny461__",        0x0060, 0x0, 1)
-AVR_MCU ("attiny461a",       ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny461A__",       0x0060, 0x0, 1)
-AVR_MCU ("attiny861",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny861__",        0x0060, 0x0, 1)
-AVR_MCU ("attiny861a",       ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny861A__",       0x0060, 0x0, 1)
-AVR_MCU ("attiny43u",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny43U__",        0x0060, 0x0, 1)
-AVR_MCU ("attiny87",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny87__",         0x0100, 0x0, 1)
-AVR_MCU ("attiny48",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny48__",         0x0100, 0x0, 1)
-AVR_MCU ("attiny88",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny88__",         0x0100, 0x0, 1)
-AVR_MCU ("attiny828",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny828__",        0x0100, 0x0, 1)
-AVR_MCU ("attiny841",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny841__",        0x0100, 0x0, 1)
-AVR_MCU ("at86rf401",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_AT86RF401__",        0x0060, 0x0, 1)
+AVR_MCU ("avr25",            ARCH_AVR25, AVR_ISA_NONE, NULL,                       0x0060, 0x0, 1, 0x2000)
+AVR_MCU ("ata5272",          ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATA5272__",          0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("ata6616c",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATA6616C__",         0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("attiny13",         ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny13__",         0x0060, 0x0, 1, 0x400)
+AVR_MCU ("attiny13a",        ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny13A__",        0x0060, 0x0, 1, 0x400)
+AVR_MCU ("attiny2313",       ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny2313__",       0x0060, 0x0, 1, 0x800)
+AVR_MCU ("attiny2313a",      ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny2313A__",      0x0060, 0x0, 1, 0x800)
+AVR_MCU ("attiny24",         ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny24__",         0x0060, 0x0, 1, 0x800)
+AVR_MCU ("attiny24a",        ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny24A__",        0x0060, 0x0, 1, 0x800)
+AVR_MCU ("attiny4313",       ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny4313__",       0x0060, 0x0, 1, 0x1000)
+AVR_MCU ("attiny44",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny44__",         0x0060, 0x0, 1, 0x1000)
+AVR_MCU ("attiny44a",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny44A__",        0x0060, 0x0, 1, 0x1000)
+AVR_MCU ("attiny441",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny441__",        0x0100, 0x0, 1, 0x1000)
+AVR_MCU ("attiny84",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny84__",         0x0060, 0x0, 1, 0x2000)
+AVR_MCU ("attiny84a",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny84A__",        0x0060, 0x0, 1, 0x2000)
+AVR_MCU ("attiny25",         ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny25__",         0x0060, 0x0, 1, 0x800)
+AVR_MCU ("attiny45",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny45__",         0x0060, 0x0, 1, 0x1000)
+AVR_MCU ("attiny85",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny85__",         0x0060, 0x0, 1, 0x2000)
+AVR_MCU ("attiny261",        ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny261__",        0x0060, 0x0, 1, 0x800)
+AVR_MCU ("attiny261a",       ARCH_AVR25, AVR_SHORT_SP, "__AVR_ATtiny261A__",       0x0060, 0x0, 1, 0x800)
+AVR_MCU ("attiny461",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny461__",        0x0060, 0x0, 1, 0x1000)
+AVR_MCU ("attiny461a",       ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny461A__",       0x0060, 0x0, 1, 0x1000)
+AVR_MCU ("attiny861",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny861__",        0x0060, 0x0, 1, 0x2000)
+AVR_MCU ("attiny861a",       ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny861A__",       0x0060, 0x0, 1, 0x2000)
+AVR_MCU ("attiny43u",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny43U__",        0x0060, 0x0, 1, 0x1000)
+AVR_MCU ("attiny87",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny87__",         0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("attiny48",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny48__",         0x0100, 0x0, 1, 0x1000)
+AVR_MCU ("attiny88",         ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny88__",         0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("attiny828",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny828__",        0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("attiny841",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_ATtiny841__",        0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("at86rf401",        ARCH_AVR25, AVR_ISA_NONE, "__AVR_AT86RF401__",        0x0060, 0x0, 1, 0x800)
 /* Classic, > 8K, <= 64K.  */
-AVR_MCU ("avr3",             ARCH_AVR3, AVR_ISA_NONE, NULL,                        0x0060, 0x0, 1)
-AVR_MCU ("at43usb355",       ARCH_AVR3, AVR_ISA_NONE, "__AVR_AT43USB355__",        0x0060, 0x0, 1)
-AVR_MCU ("at76c711",         ARCH_AVR3, AVR_ISA_NONE, "__AVR_AT76C711__",          0x0060, 0x0, 1)
+AVR_MCU ("avr3",             ARCH_AVR3, AVR_ISA_NONE, NULL,                        0x0060, 0x0, 1, 0x6000)
+AVR_MCU ("at43usb355",       ARCH_AVR3, AVR_ISA_NONE, "__AVR_AT43USB355__",        0x0060, 0x0, 1, 0x6000)
+AVR_MCU ("at76c711",         ARCH_AVR3, AVR_ISA_NONE, "__AVR_AT76C711__",          0x0060, 0x0, 1, 0x4000)
 /* Classic, == 128K.  */
-AVR_MCU ("avr31",            ARCH_AVR31, AVR_ERRATA_SKIP, NULL,                    0x0060, 0x0, 2)
-AVR_MCU ("atmega103",        ARCH_AVR31, AVR_ERRATA_SKIP, "__AVR_ATmega103__",     0x0060, 0x0, 2)
-AVR_MCU ("at43usb320",       ARCH_AVR31, AVR_ISA_NONE, "__AVR_AT43USB320__",       0x0060, 0x0, 2)
+AVR_MCU ("avr31",            ARCH_AVR31, AVR_ERRATA_SKIP, NULL,                    0x0060, 0x0, 2, 0x20000)
+AVR_MCU ("atmega103",        ARCH_AVR31, AVR_ERRATA_SKIP, "__AVR_ATmega103__",     0x0060, 0x0, 2, 0x20000)
+AVR_MCU ("at43usb320",       ARCH_AVR31, AVR_ISA_NONE, "__AVR_AT43USB320__",       0x0060, 0x0, 2, 0x10000)
 /* Classic + MOVW + JMP/CALL.  */
-AVR_MCU ("avr35",            ARCH_AVR35, AVR_ISA_NONE, NULL,                       0x0100, 0x0, 1)
-AVR_MCU ("ata5505",          ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATA5505__",          0x0100, 0x0, 1)
-AVR_MCU ("ata6617c",         ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATA6617C__",         0x0100, 0x0, 1)
-AVR_MCU ("ata664251",        ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATA664251__",        0x0100, 0x0, 1)
-AVR_MCU ("at90usb82",        ARCH_AVR35, AVR_ISA_NONE, "__AVR_AT90USB82__",        0x0100, 0x0, 1)
-AVR_MCU ("at90usb162",       ARCH_AVR35, AVR_ISA_NONE, "__AVR_AT90USB162__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega8u2",        ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATmega8U2__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega16u2",       ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATmega16U2__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega32u2",       ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATmega32U2__",       0x0100, 0x0, 1)
-AVR_MCU ("attiny167",        ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATtiny167__",        0x0100, 0x0, 1)
-AVR_MCU ("attiny1634",       ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATtiny1634__",       0x0100, 0x0, 1)
+AVR_MCU ("avr35",            ARCH_AVR35, AVR_ISA_NONE, NULL,                       0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("ata5505",          ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATA5505__",          0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("ata6617c",         ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATA6617C__",         0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("ata664251",        ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATA664251__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("at90usb82",        ARCH_AVR35, AVR_ISA_NONE, "__AVR_AT90USB82__",        0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("at90usb162",       ARCH_AVR35, AVR_ISA_NONE, "__AVR_AT90USB162__",       0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega8u2",        ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATmega8U2__",        0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("atmega16u2",       ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATmega16U2__",       0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega32u2",       ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATmega32U2__",       0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("attiny167",        ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATtiny167__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("attiny1634",       ARCH_AVR35, AVR_ISA_NONE, "__AVR_ATtiny1634__",       0x0100, 0x0, 1, 0x4000)
 /* Enhanced, <= 8K.  */
-AVR_MCU ("avr4",             ARCH_AVR4, AVR_ISA_NONE,  NULL,                       0x0060, 0x0, 1)
-AVR_MCU ("ata6285",          ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATA6285__",          0x0100, 0x0, 1)
-AVR_MCU ("ata6286",          ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATA6286__",          0x0100, 0x0, 1)
-AVR_MCU ("ata6289",          ARCH_AVR4, AVR_ISA_NONE, "__AVR_ATA6289__",           0x0100, 0x0, 1)
-AVR_MCU ("ata6612c",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATA6612C__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega8",          ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega8__",          0x0060, 0x0, 1)
-AVR_MCU ("atmega8a",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega8A__",         0x0060, 0x0, 1)
-AVR_MCU ("atmega48",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega48__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega48a",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega48A__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega48p",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega48P__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega48pa",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega48PA__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega48pb",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega48PB__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega88",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega88__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega88a",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega88A__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega88p",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega88P__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega88pa",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega88PA__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega88pb",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega88PB__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega8515",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega8515__",       0x0060, 0x0, 1)
-AVR_MCU ("atmega8535",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega8535__",       0x0060, 0x0, 1)
-AVR_MCU ("atmega8hva",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega8HVA__",       0x0100, 0x0, 1)
-AVR_MCU ("at90pwm1",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_AT90PWM1__",         0x0100, 0x0, 1)
-AVR_MCU ("at90pwm2",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_AT90PWM2__",         0x0100, 0x0, 1)
-AVR_MCU ("at90pwm2b",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_AT90PWM2B__",        0x0100, 0x0, 1)
-AVR_MCU ("at90pwm3",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_AT90PWM3__",         0x0100, 0x0, 1)
-AVR_MCU ("at90pwm3b",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_AT90PWM3B__",        0x0100, 0x0, 1)
-AVR_MCU ("at90pwm81",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_AT90PWM81__",        0x0100, 0x0, 1)
+AVR_MCU ("avr4",             ARCH_AVR4, AVR_ISA_NONE,  NULL,                       0x0060, 0x0, 1, 0x2000)
+AVR_MCU ("ata6285",          ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATA6285__",          0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("ata6286",          ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATA6286__",          0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("ata6289",          ARCH_AVR4, AVR_ISA_NONE, "__AVR_ATA6289__",           0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("ata6612c",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATA6612C__",         0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("atmega8",          ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega8__",          0x0060, 0x0, 1, 0x2000)
+AVR_MCU ("atmega8a",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega8A__",         0x0060, 0x0, 1, 0x2000)
+AVR_MCU ("atmega48",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega48__",         0x0100, 0x0, 1, 0x1000)
+AVR_MCU ("atmega48a",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega48A__",        0x0100, 0x0, 1, 0x1000)
+AVR_MCU ("atmega48p",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega48P__",        0x0100, 0x0, 1, 0x1000)
+AVR_MCU ("atmega48pa",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega48PA__",       0x0100, 0x0, 1, 0x1000)
+AVR_MCU ("atmega48pb",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega48PB__",       0x0100, 0x0, 1, 0x1000)
+AVR_MCU ("atmega88",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega88__",         0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("atmega88a",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega88A__",        0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("atmega88p",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega88P__",        0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("atmega88pa",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega88PA__",       0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("atmega88pb",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega88PB__",       0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("atmega8515",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega8515__",       0x0060, 0x0, 1, 0x2000)
+AVR_MCU ("atmega8535",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega8535__",       0x0060, 0x0, 1, 0x2000)
+AVR_MCU ("atmega8hva",       ARCH_AVR4, AVR_ISA_NONE,  "__AVR_ATmega8HVA__",       0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("at90pwm1",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_AT90PWM1__",         0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("at90pwm2",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_AT90PWM2__",         0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("at90pwm2b",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_AT90PWM2B__",        0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("at90pwm3",         ARCH_AVR4, AVR_ISA_NONE,  "__AVR_AT90PWM3__",         0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("at90pwm3b",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_AT90PWM3B__",        0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("at90pwm81",        ARCH_AVR4, AVR_ISA_NONE,  "__AVR_AT90PWM81__",        0x0100, 0x0, 1, 0x2000)
 /* Enhanced, > 8K, <= 64K.  */
-AVR_MCU ("avr5",             ARCH_AVR5, AVR_ISA_NONE, NULL,                        0x0060, 0x0, 1)
-AVR_MCU ("ata5702m322",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5702M322__",       0x0200, 0x0, 1)
-AVR_MCU ("ata5782",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5782__",           0x0200, 0x8000, 1)
-AVR_MCU ("ata5790",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5790__",           0x0100, 0x0, 1)
-AVR_MCU ("ata5790n",         ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5790N__",          0x0100, 0x0, 1)
-AVR_MCU ("ata5791",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5791__",           0x0100, 0x0, 1)
-AVR_MCU ("ata5795",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5795__",           0x0100, 0x0, 1)
-AVR_MCU ("ata5831",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5831__",           0x0200, 0x8000, 1)
-AVR_MCU ("ata6613c",         ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA6613C__",          0x0100, 0x0, 1)
-AVR_MCU ("ata6614q",         ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA6614Q__",          0x0100, 0x0, 1)
-AVR_MCU ("ata8210",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA8210__",           0x0200, 0x8000, 1)
-AVR_MCU ("ata8510",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA8510__",           0x0200, 0x8000, 1)
-AVR_MCU ("atmega16",         ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16__",          0x0060, 0x0, 1)
-AVR_MCU ("atmega16a",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16A__",         0x0060, 0x0, 1)
-AVR_MCU ("atmega161",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega161__",         0x0060, 0x0, 1)
-AVR_MCU ("atmega162",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega162__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega163",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega163__",         0x0060, 0x0, 1)
-AVR_MCU ("atmega164a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega164A__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega164p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega164P__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega164pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega164PA__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega165",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega165__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega165a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega165A__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega165p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega165P__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega165pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega165PA__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega168",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega168__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega168a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega168A__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega168p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega168P__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega168pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega168PA__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega168pb",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega168PB__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega169",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega169__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega169a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega169A__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega169p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega169P__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega169pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega169PA__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega16hvb",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16HVB__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega16hvbrevb",  ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16HVBREVB__",   0x0100, 0x0, 1)
-AVR_MCU ("atmega16m1",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16M1__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega16u4",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16U4__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega32a",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32A__",         0x0060, 0x0, 1)
-AVR_MCU ("atmega32",         ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32__",          0x0060, 0x0, 1)
-AVR_MCU ("atmega323",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega323__",         0x0060, 0x0, 1)
-AVR_MCU ("atmega324a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega324A__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega324p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega324P__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega324pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega324PA__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega325",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega325__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega325a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega325A__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega325p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega325P__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega325pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega325PA__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega3250",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3250__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega3250a",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3250A__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega3250p",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3250P__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega3250pa",     ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3250PA__",      0x0100, 0x0, 1)
-AVR_MCU ("atmega328",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega328__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega328p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega328P__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega328pb",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega328PB__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega329",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega329__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega329a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega329A__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega329p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega329P__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega329pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega329PA__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega3290",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3290__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega3290a",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3290A__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega3290p",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3290P__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega3290pa",     ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3290PA__",      0x0100, 0x0, 1)
-AVR_MCU ("atmega32c1",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32C1__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega32m1",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32M1__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega32u4",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32U4__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega32u6",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32U6__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega406",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega406__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega64",         ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64__",          0x0100, 0x0, 1)
-AVR_MCU ("atmega64a",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64A__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega640",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega640__",         0x0200, 0x0, 1)
-AVR_MCU ("atmega644",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega644__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega644a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega644A__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega644p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega644P__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega644pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega644PA__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega645",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega645__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega645a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega645A__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega645p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega645P__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega6450",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega6450__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega6450a",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega6450A__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega6450p",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega6450P__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega649",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega649__",         0x0100, 0x0, 1)
-AVR_MCU ("atmega649a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega649A__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega649p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega649P__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega6490",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega6490__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega16hva",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16HVA__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega16hva2",     ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16HVA2__",      0x0100, 0x0, 1)
-AVR_MCU ("atmega32hvb",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32HVB__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega6490a",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega6490A__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega6490p",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega6490P__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega64c1",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64C1__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega64m1",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64M1__",        0x0100, 0x0, 1)
-AVR_MCU ("atmega64hve",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64HVE__",       0x0100, 0x0, 1)
-AVR_MCU ("atmega64hve2",     ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64HVE2__",      0x0100, 0x0, 1)
-AVR_MCU ("atmega64rfr2",     ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64RFR2__",      0x0200, 0x0, 1)
-AVR_MCU ("atmega644rfr2",    ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega644RFR2__",     0x0200, 0x0, 1)
-AVR_MCU ("atmega32hvbrevb",  ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32HVBREVB__",   0x0100, 0x0, 1)
-AVR_MCU ("at90can32",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90CAN32__",         0x0100, 0x0, 1)
-AVR_MCU ("at90can64",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90CAN64__",         0x0100, 0x0, 1)
-AVR_MCU ("at90pwm161",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90PWM161__",        0x0100, 0x0, 1)
-AVR_MCU ("at90pwm216",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90PWM216__",        0x0100, 0x0, 1)
-AVR_MCU ("at90pwm316",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90PWM316__",        0x0100, 0x0, 1)
-AVR_MCU ("at90scr100",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90SCR100__",        0x0100, 0x0, 1)
-AVR_MCU ("at90usb646",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90USB646__",        0x0100, 0x0, 1)
-AVR_MCU ("at90usb647",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90USB647__",        0x0100, 0x0, 1)
-AVR_MCU ("at94k",            ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT94K__",             0x0060, 0x0, 1)
-AVR_MCU ("m3000",            ARCH_AVR5, AVR_ISA_NONE, "__AVR_M3000__",             0x1000, 0x0, 1)
+AVR_MCU ("avr5",             ARCH_AVR5, AVR_ISA_NONE, NULL,                        0x0060, 0x0, 1, 0x4000)
+AVR_MCU ("ata5702m322",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5702M322__",       0x0200, 0x0, 1, 0x10000)
+AVR_MCU ("ata5782",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5782__",           0x0200, 0x8000, 1, 0xd000)
+AVR_MCU ("ata5790",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5790__",           0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("ata5790n",         ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5790N__",          0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("ata5791",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5791__",           0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("ata5795",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5795__",           0x0100, 0x0, 1, 0x2000)
+AVR_MCU ("ata5831",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA5831__",           0x0200, 0x8000, 1, 0xd000)
+AVR_MCU ("ata6613c",         ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA6613C__",          0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("ata6614q",         ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA6614Q__",          0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("ata8210",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA8210__",           0x0200, 0x8000, 1, 0xd000)
+AVR_MCU ("ata8510",          ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATA8510__",           0x0200, 0x8000, 1, 0xd000)
+AVR_MCU ("atmega16",         ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16__",          0x0060, 0x0, 1, 0x4000)
+AVR_MCU ("atmega16a",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16A__",         0x0060, 0x0, 1, 0x4000)
+AVR_MCU ("atmega161",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega161__",         0x0060, 0x0, 1, 0x4000)
+AVR_MCU ("atmega162",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega162__",         0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega163",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega163__",         0x0060, 0x0, 1, 0x4000)
+AVR_MCU ("atmega164a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega164A__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega164p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega164P__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega164pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega164PA__",       0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega165",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega165__",         0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega165a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega165A__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega165p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega165P__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega165pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega165PA__",       0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega168",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega168__",         0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega168a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega168A__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega168p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega168P__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega168pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega168PA__",       0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega168pb",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega168PB__",       0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega169",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega169__",         0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega169a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega169A__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega169p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega169P__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega169pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega169PA__",       0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega16hvb",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16HVB__",       0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega16hvbrevb",  ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16HVBREVB__",   0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega16m1",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16M1__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega16u4",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16U4__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega32a",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32A__",         0x0060, 0x0, 1, 0x8000)
+AVR_MCU ("atmega32",         ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32__",          0x0060, 0x0, 1, 0x8000)
+AVR_MCU ("atmega323",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega323__",         0x0060, 0x0, 1, 0x8000)
+AVR_MCU ("atmega324a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega324A__",        0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega324p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega324P__",        0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega324pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega324PA__",       0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega325",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega325__",         0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega325a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega325A__",        0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega325p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega325P__",        0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega325pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega325PA__",       0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega3250",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3250__",        0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega3250a",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3250A__",       0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega3250p",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3250P__",       0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega3250pa",     ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3250PA__",      0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega328",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega328__",         0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega328p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega328P__",        0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega328pb",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega328PB__",       0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega329",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega329__",         0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega329a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega329A__",        0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega329p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega329P__",        0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega329pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega329PA__",       0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega3290",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3290__",        0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega3290a",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3290A__",       0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega3290p",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3290P__",       0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega3290pa",     ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega3290PA__",      0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega32c1",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32C1__",        0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega32m1",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32M1__",        0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega32u4",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32U4__",        0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega32u6",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32U6__",        0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega406",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega406__",         0x0100, 0x0, 1, 0xa000)
+AVR_MCU ("atmega64",         ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64__",          0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega64a",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64A__",         0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega640",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega640__",         0x0200, 0x0, 1, 0x10000)
+AVR_MCU ("atmega644",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega644__",         0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega644a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega644A__",        0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega644p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega644P__",        0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega644pa",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega644PA__",       0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega645",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega645__",         0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega645a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega645A__",        0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega645p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega645P__",        0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega6450",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega6450__",        0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega6450a",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega6450A__",       0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega6450p",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega6450P__",       0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega649",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega649__",         0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega649a",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega649A__",        0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega649p",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega649P__",        0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega6490",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega6490__",        0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega16hva",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16HVA__",       0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega16hva2",     ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega16HVA2__",      0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("atmega32hvb",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32HVB__",       0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("atmega6490a",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega6490A__",       0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega6490p",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega6490P__",       0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega64c1",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64C1__",        0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega64m1",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64M1__",        0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega64hve",      ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64HVE__",       0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega64hve2",     ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64HVE2__",      0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("atmega64rfr2",     ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega64RFR2__",      0x0200, 0x0, 1, 0x10000)
+AVR_MCU ("atmega644rfr2",    ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega644RFR2__",     0x0200, 0x0, 1, 0x10000)
+AVR_MCU ("atmega32hvbrevb",  ARCH_AVR5, AVR_ISA_NONE, "__AVR_ATmega32HVBREVB__",   0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("at90can32",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90CAN32__",         0x0100, 0x0, 1, 0x8000)
+AVR_MCU ("at90can64",        ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90CAN64__",         0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("at90pwm161",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90PWM161__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("at90pwm216",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90PWM216__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("at90pwm316",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90PWM316__",        0x0100, 0x0, 1, 0x4000)
+AVR_MCU ("at90scr100",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90SCR100__",        0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("at90usb646",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90USB646__",        0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("at90usb647",       ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT90USB647__",        0x0100, 0x0, 1, 0x10000)
+AVR_MCU ("at94k",            ARCH_AVR5, AVR_ISA_NONE, "__AVR_AT94K__",             0x0060, 0x0, 1, 0x8000)
+AVR_MCU ("m3000",            ARCH_AVR5, AVR_ISA_NONE, "__AVR_M3000__",             0x1000, 0x0, 1, 0x10000)
 /* Enhanced, == 128K.  */
-AVR_MCU ("avr51",            ARCH_AVR51, AVR_ISA_NONE, NULL,                       0x0100, 0x0, 2)
-AVR_MCU ("atmega128",        ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega128__",        0x0100, 0x0, 2)
-AVR_MCU ("atmega128a",       ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega128A__",       0x0100, 0x0, 2)
-AVR_MCU ("atmega1280",       ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega1280__",       0x0200, 0x0, 2)
-AVR_MCU ("atmega1281",       ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega1281__",       0x0200, 0x0, 2)
-AVR_MCU ("atmega1284",       ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega1284__",       0x0100, 0x0, 2)
-AVR_MCU ("atmega1284p",      ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega1284P__",      0x0100, 0x0, 2)
-AVR_MCU ("atmega128rfa1",    ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega128RFA1__",    0x0200, 0x0, 2)
-AVR_MCU ("atmega128rfr2",    ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega128RFR2__",    0x0200, 0x0, 2)
-AVR_MCU ("atmega1284rfr2",   ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega1284RFR2__",   0x0200, 0x0, 2)
-AVR_MCU ("at90can128",       ARCH_AVR51, AVR_ISA_NONE, "__AVR_AT90CAN128__",       0x0100, 0x0, 2)
-AVR_MCU ("at90usb1286",      ARCH_AVR51, AVR_ISA_NONE, "__AVR_AT90USB1286__",      0x0100, 0x0, 2)
-AVR_MCU ("at90usb1287",      ARCH_AVR51, AVR_ISA_NONE, "__AVR_AT90USB1287__",      0x0100, 0x0, 2)
+AVR_MCU ("avr51",            ARCH_AVR51, AVR_ISA_NONE, NULL,                       0x0100, 0x0, 2, 0x20000)
+AVR_MCU ("atmega128",        ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega128__",        0x0100, 0x0, 2, 0x20000)
+AVR_MCU ("atmega128a",       ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega128A__",       0x0100, 0x0, 2, 0x20000)
+AVR_MCU ("atmega1280",       ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega1280__",       0x0200, 0x0, 2, 0x20000)
+AVR_MCU ("atmega1281",       ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega1281__",       0x0200, 0x0, 2, 0x20000)
+AVR_MCU ("atmega1284",       ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega1284__",       0x0100, 0x0, 2, 0x20000)
+AVR_MCU ("atmega1284p",      ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega1284P__",      0x0100, 0x0, 2, 0x20000)
+AVR_MCU ("atmega128rfa1",    ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega128RFA1__",    0x0200, 0x0, 2, 0x20000)
+AVR_MCU ("atmega128rfr2",    ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega128RFR2__",    0x0200, 0x0, 2, 0x20000)
+AVR_MCU ("atmega1284rfr2",   ARCH_AVR51, AVR_ISA_NONE, "__AVR_ATmega1284RFR2__",   0x0200, 0x0, 2, 0x20000)
+AVR_MCU ("at90can128",       ARCH_AVR51, AVR_ISA_NONE, "__AVR_AT90CAN128__",       0x0100, 0x0, 2, 0x20000)
+AVR_MCU ("at90usb1286",      ARCH_AVR51, AVR_ISA_NONE, "__AVR_AT90USB1286__",      0x0100, 0x0, 2, 0x20000)
+AVR_MCU ("at90usb1287",      ARCH_AVR51, AVR_ISA_NONE, "__AVR_AT90USB1287__",      0x0100, 0x0, 2, 0x20000)
 /* 3-Byte PC.  */
-AVR_MCU ("avr6",             ARCH_AVR6, AVR_ISA_NONE, NULL,                        0x0200, 0x0, 4)
-AVR_MCU ("atmega2560",       ARCH_AVR6, AVR_ISA_NONE, "__AVR_ATmega2560__",        0x0200, 0x0, 4)
-AVR_MCU ("atmega2561",       ARCH_AVR6, AVR_ISA_NONE, "__AVR_ATmega2561__",        0x0200, 0x0, 4)
-AVR_MCU ("atmega256rfr2",    ARCH_AVR6, AVR_ISA_NONE, "__AVR_ATmega256RFR2__",     0x0200, 0x0, 4)
-AVR_MCU ("atmega2564rfr2",   ARCH_AVR6, AVR_ISA_NONE, "__AVR_ATmega2564RFR2__",    0x0200, 0x0, 4)
+AVR_MCU ("avr6",             ARCH_AVR6, AVR_ISA_NONE, NULL,                        0x0200, 0x0, 4, 0x40000)
+AVR_MCU ("atmega2560",       ARCH_AVR6, AVR_ISA_NONE, "__AVR_ATmega2560__",        0x0200, 0x0, 4, 0x40000)
+AVR_MCU ("atmega2561",       ARCH_AVR6, AVR_ISA_NONE, "__AVR_ATmega2561__",        0x0200, 0x0, 4, 0x40000)
+AVR_MCU ("atmega256rfr2",    ARCH_AVR6, AVR_ISA_NONE, "__AVR_ATmega256RFR2__",     0x0200, 0x0, 4, 0x40000)
+AVR_MCU ("atmega2564rfr2",   ARCH_AVR6, AVR_ISA_NONE, "__AVR_ATmega2564RFR2__",    0x0200, 0x0, 4, 0x40000)
 /* Xmega, 16K <= Flash < 64K, RAM <= 64K */
-AVR_MCU ("avrxmega2",        ARCH_AVRXMEGA2, AVR_ISA_NONE, NULL,                   0x2000, 0x0, 1)
-AVR_MCU ("atxmega8e5",       ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega8E5__",   0x2000, 0x0, 1)
-AVR_MCU ("atxmega16a4",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega16A4__",  0x2000, 0x0, 1)
-AVR_MCU ("atxmega16d4",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega16D4__",  0x2000, 0x0, 1)
-AVR_MCU ("atxmega16e5",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega16E5__",  0x2000, 0x0, 1)
-AVR_MCU ("atxmega32a4",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega32A4__",  0x2000, 0x0, 1)
-AVR_MCU ("atxmega32c3",      ARCH_AVRXMEGA2, AVR_ISA_RMW,  "__AVR_ATxmega32C3__",  0x2000, 0x0, 1)
-AVR_MCU ("atxmega32d3",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega32D3__",  0x2000, 0x0, 1)
-AVR_MCU ("atxmega32d4",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega32D4__",  0x2000, 0x0, 1)
-AVR_MCU ("atxmega16a4u",     ARCH_AVRXMEGA2, AVR_ISA_RMW,  "__AVR_ATxmega16A4U__", 0x2000, 0x0, 1)
-AVR_MCU ("atxmega16c4",      ARCH_AVRXMEGA2, AVR_ISA_RMW,  "__AVR_ATxmega16C4__",  0x2000, 0x0, 1)
-AVR_MCU ("atxmega32a4u",     ARCH_AVRXMEGA2, AVR_ISA_RMW,  "__AVR_ATxmega32A4U__", 0x2000, 0x0, 1)
-AVR_MCU ("atxmega32c4",      ARCH_AVRXMEGA2, AVR_ISA_RMW,  "__AVR_ATxmega32C4__",  0x2000, 0x0, 1)
-AVR_MCU ("atxmega32e5",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega32E5__",  0x2000, 0x0, 1)
+AVR_MCU ("avrxmega2",        ARCH_AVRXMEGA2, AVR_ISA_NONE, NULL,                   0x2000, 0x0, 1, 0x9000)
+AVR_MCU ("atxmega8e5",       ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega8E5__",   0x2000, 0x0, 1, 0x2800)
+AVR_MCU ("atxmega16a4",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega16A4__",  0x2000, 0x0, 1, 0x5000)
+AVR_MCU ("atxmega16d4",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega16D4__",  0x2000, 0x0, 1, 0x5000)
+AVR_MCU ("atxmega16e5",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega16E5__",  0x2000, 0x0, 1, 0x5000)
+AVR_MCU ("atxmega32a4",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega32A4__",  0x2000, 0x0, 1, 0x9000)
+AVR_MCU ("atxmega32c3",      ARCH_AVRXMEGA2, AVR_ISA_RMW,  "__AVR_ATxmega32C3__",  0x2000, 0x0, 1, 0x9000)
+AVR_MCU ("atxmega32d3",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega32D3__",  0x2000, 0x0, 1, 0x9000)
+AVR_MCU ("atxmega32d4",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega32D4__",  0x2000, 0x0, 1, 0x9000)
+AVR_MCU ("atxmega16a4u",     ARCH_AVRXMEGA2, AVR_ISA_RMW,  "__AVR_ATxmega16A4U__", 0x2000, 0x0, 1, 0x5000)
+AVR_MCU ("atxmega16c4",      ARCH_AVRXMEGA2, AVR_ISA_RMW,  "__AVR_ATxmega16C4__",  0x2000, 0x0, 1, 0x5000)
+AVR_MCU ("atxmega32a4u",     ARCH_AVRXMEGA2, AVR_ISA_RMW,  "__AVR_ATxmega32A4U__", 0x2000, 0x0, 1, 0x9000)
+AVR_MCU ("atxmega32c4",      ARCH_AVRXMEGA2, AVR_ISA_RMW,  "__AVR_ATxmega32C4__",  0x2000, 0x0, 1, 0x9000)
+AVR_MCU ("atxmega32e5",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega32E5__",  0x2000, 0x0, 1, 0x9000)
 /* Xmega, 64K < Flash <= 128K, RAM <= 64K */
-AVR_MCU ("avrxmega4",        ARCH_AVRXMEGA4, AVR_ISA_NONE, NULL,                   0x2000, 0x0, 2)
-AVR_MCU ("atxmega64a3",      ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_ATxmega64A3__",  0x2000, 0x0, 2)
-AVR_MCU ("atxmega64d3",      ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_ATxmega64D3__",  0x2000, 0x0, 2)
-AVR_MCU ("atxmega64a3u",     ARCH_AVRXMEGA4, AVR_ISA_RMW,  "__AVR_ATxmega64A3U__", 0x2000, 0x0, 2)
-AVR_MCU ("atxmega64a4u",     ARCH_AVRXMEGA4, AVR_ISA_RMW,  "__AVR_ATxmega64A4U__", 0x2000, 0x0, 2)
-AVR_MCU ("atxmega64b1",      ARCH_AVRXMEGA4, AVR_ISA_RMW,  "__AVR_ATxmega64B1__",  0x2000, 0x0, 2)
-AVR_MCU ("atxmega64b3",      ARCH_AVRXMEGA4, AVR_ISA_RMW,  "__AVR_ATxmega64B3__",  0x2000, 0x0, 2)
-AVR_MCU ("atxmega64c3",      ARCH_AVRXMEGA4, AVR_ISA_RMW,  "__AVR_ATxmega64C3__",  0x2000, 0x0, 2)
-AVR_MCU ("atxmega64d4",      ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_ATxmega64D4__",  0x2000, 0x0, 2)
+AVR_MCU ("avrxmega4",        ARCH_AVRXMEGA4, AVR_ISA_NONE, NULL,                   0x2000, 0x0, 2, 0x11000)
+AVR_MCU ("atxmega64a3",      ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_ATxmega64A3__",  0x2000, 0x0, 2, 0x11000)
+AVR_MCU ("atxmega64d3",      ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_ATxmega64D3__",  0x2000, 0x0, 2, 0x11000)
+AVR_MCU ("atxmega64a3u",     ARCH_AVRXMEGA4, AVR_ISA_RMW,  "__AVR_ATxmega64A3U__", 0x2000, 0x0, 2, 0x11000)
+AVR_MCU ("atxmega64a4u",     ARCH_AVRXMEGA4, AVR_ISA_RMW,  "__AVR_ATxmega64A4U__", 0x2000, 0x0, 2, 0x11000)
+AVR_MCU ("atxmega64b1",      ARCH_AVRXMEGA4, AVR_ISA_RMW,  "__AVR_ATxmega64B1__",  0x2000, 0x0, 2, 0x11000)
+AVR_MCU ("atxmega64b3",      ARCH_AVRXMEGA4, AVR_ISA_RMW,  "__AVR_ATxmega64B3__",  0x2000, 0x0, 2, 0x11000)
+AVR_MCU ("atxmega64c3",      ARCH_AVRXMEGA4, AVR_ISA_RMW,  "__AVR_ATxmega64C3__",  0x2000, 0x0, 2, 0x11000)
+AVR_MCU ("atxmega64d4",      ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_ATxmega64D4__",  0x2000, 0x0, 2, 0x11000)
 /* Xmega, 64K < Flash <= 128K, RAM > 64K */
-AVR_MCU ("avrxmega5",        ARCH_AVRXMEGA5, AVR_ISA_NONE, NULL,                   0x2000, 0x0, 2)
-AVR_MCU ("atxmega64a1",      ARCH_AVRXMEGA5, AVR_ISA_NONE, "__AVR_ATxmega64A1__",  0x2000, 0x0, 2)
-AVR_MCU ("atxmega64a1u",     ARCH_AVRXMEGA5, AVR_ISA_RMW,  "__AVR_ATxmega64A1U__", 0x2000, 0x0, 2)
+AVR_MCU ("avrxmega5",        ARCH_AVRXMEGA5, AVR_ISA_NONE, NULL,                   0x2000, 0x0, 2, 0x11000)
+AVR_MCU ("atxmega64a1",      ARCH_AVRXMEGA5, AVR_ISA_NONE, "__AVR_ATxmega64A1__",  0x2000, 0x0, 2, 0x11000)
+AVR_MCU ("atxmega64a1u",     ARCH_AVRXMEGA5, AVR_ISA_RMW,  "__AVR_ATxmega64A1U__", 0x2000, 0x0, 2, 0x11000)
 /* Xmega, 128K < Flash, RAM <= 64K */
-AVR_MCU ("avrxmega6",        ARCH_AVRXMEGA6, AVR_ISA_NONE, NULL,                       0x2000, 0x0, 6)
-AVR_MCU ("atxmega128a3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega128A3__",     0x2000, 0x0, 3)
-AVR_MCU ("atxmega128d3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega128D3__",     0x2000, 0x0, 3)
-AVR_MCU ("atxmega192a3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega192A3__",     0x2000, 0x0, 4)
-AVR_MCU ("atxmega192d3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega192D3__",     0x2000, 0x0, 4)
-AVR_MCU ("atxmega256a3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega256A3__",     0x2000, 0x0, 5)
-AVR_MCU ("atxmega256a3b",    ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega256A3B__",    0x2000, 0x0, 5)
-AVR_MCU ("atxmega256a3bu",   ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega256A3BU__",   0x2000, 0x0, 5)
-AVR_MCU ("atxmega256d3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega256D3__",     0x2000, 0x0, 5)
-AVR_MCU ("atxmega128a3u",    ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega128A3U__",    0x2000, 0x0, 3)
-AVR_MCU ("atxmega128b1",     ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega128B1__",     0x2000, 0x0, 3)
-AVR_MCU ("atxmega128b3",     ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega128B3__",     0x2000, 0x0, 3)
-AVR_MCU ("atxmega128c3",     ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega128C3__",     0x2000, 0x0, 3)
-AVR_MCU ("atxmega128d4",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega128D4__",     0x2000, 0x0, 3)
-AVR_MCU ("atxmega192a3u",    ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega192A3U__",    0x2000, 0x0, 4)
-AVR_MCU ("atxmega192c3",     ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega192C3__",     0x2000, 0x0, 4)
-AVR_MCU ("atxmega256a3u",    ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega256A3U__",    0x2000, 0x0, 5)
-AVR_MCU ("atxmega256c3",     ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega256C3__",     0x2000, 0x0, 5)
-AVR_MCU ("atxmega384c3",     ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega384C3__",     0x2000, 0x0, 6)
-AVR_MCU ("atxmega384d3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega384D3__",     0x2000, 0x0, 6)
+AVR_MCU ("avrxmega6",        ARCH_AVRXMEGA6, AVR_ISA_NONE, NULL,                       0x2000, 0x0, 6, 0x60000)
+AVR_MCU ("atxmega128a3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega128A3__",     0x2000, 0x0, 3, 0x22000)
+AVR_MCU ("atxmega128d3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega128D3__",     0x2000, 0x0, 3, 0x22000)
+AVR_MCU ("atxmega192a3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega192A3__",     0x2000, 0x0, 4, 0x32000)
+AVR_MCU ("atxmega192d3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega192D3__",     0x2000, 0x0, 4, 0x32000)
+AVR_MCU ("atxmega256a3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega256A3__",     0x2000, 0x0, 5, 0x42000)
+AVR_MCU ("atxmega256a3b",    ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega256A3B__",    0x2000, 0x0, 5, 0x42000)
+AVR_MCU ("atxmega256a3bu",   ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega256A3BU__",   0x2000, 0x0, 5, 0x42000)
+AVR_MCU ("atxmega256d3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega256D3__",     0x2000, 0x0, 5, 0x42000)
+AVR_MCU ("atxmega128a3u",    ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega128A3U__",    0x2000, 0x0, 3, 0x22000)
+AVR_MCU ("atxmega128b1",     ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega128B1__",     0x2000, 0x0, 3, 0x22000)
+AVR_MCU ("atxmega128b3",     ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega128B3__",     0x2000, 0x0, 3, 0x22000)
+AVR_MCU ("atxmega128c3",     ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega128C3__",     0x2000, 0x0, 3, 0x22000)
+AVR_MCU ("atxmega128d4",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega128D4__",     0x2000, 0x0, 3, 0x22000)
+AVR_MCU ("atxmega192a3u",    ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega192A3U__",    0x2000, 0x0, 4, 0x32000)
+AVR_MCU ("atxmega192c3",     ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega192C3__",     0x2000, 0x0, 4, 0x32000)
+AVR_MCU ("atxmega256a3u",    ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega256A3U__",    0x2000, 0x0, 5, 0x42000)
+AVR_MCU ("atxmega256c3",     ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega256C3__",     0x2000, 0x0, 5, 0x42000)
+AVR_MCU ("atxmega384c3",     ARCH_AVRXMEGA6, AVR_ISA_RMW,  "__AVR_ATxmega384C3__",     0x2000, 0x0, 6, 0x62000)
+AVR_MCU ("atxmega384d3",     ARCH_AVRXMEGA6, AVR_ISA_NONE, "__AVR_ATxmega384D3__",     0x2000, 0x0, 6, 0x62000)
 /* Xmega, 128K < Flash, RAM > 64K RAM.  */
-AVR_MCU ("avrxmega7",        ARCH_AVRXMEGA7, AVR_ISA_NONE, NULL,                       0x2000, 0x0, 3)
-AVR_MCU ("atxmega128a1",     ARCH_AVRXMEGA7, AVR_ISA_NONE, "__AVR_ATxmega128A1__",     0x2000, 0x0, 3)
-AVR_MCU ("atxmega128a1u",    ARCH_AVRXMEGA7, AVR_ISA_RMW,  "__AVR_ATxmega128A1U__",    0x2000, 0x0, 3)
-AVR_MCU ("atxmega128a4u",    ARCH_AVRXMEGA7, AVR_ISA_RMW,  "__AVR_ATxmega128A4U__",    0x2000, 0x0, 3)
+AVR_MCU ("avrxmega7",        ARCH_AVRXMEGA7, AVR_ISA_NONE, NULL,                       0x2000, 0x0, 3, 0x22000)
+AVR_MCU ("atxmega128a1",     ARCH_AVRXMEGA7, AVR_ISA_NONE, "__AVR_ATxmega128A1__",     0x2000, 0x0, 3, 0x22000)
+AVR_MCU ("atxmega128a1u",    ARCH_AVRXMEGA7, AVR_ISA_RMW,  "__AVR_ATxmega128A1U__",    0x2000, 0x0, 3, 0x22000)
+AVR_MCU ("atxmega128a4u",    ARCH_AVRXMEGA7, AVR_ISA_RMW,  "__AVR_ATxmega128A4U__",    0x2000, 0x0, 3, 0x22000)
 /* Tiny family */
-AVR_MCU ("avrtiny",          ARCH_AVRTINY, AVR_ISA_NONE, NULL,                     0x0040, 0x0, 1)
-AVR_MCU ("attiny4",          ARCH_AVRTINY, AVR_ISA_NONE, "__AVR_ATtiny4__",        0x0040, 0x0, 1)
-AVR_MCU ("attiny5",          ARCH_AVRTINY, AVR_ISA_NONE, "__AVR_ATtiny5__",        0x0040, 0x0, 1)
-AVR_MCU ("attiny9",          ARCH_AVRTINY, AVR_ISA_NONE, "__AVR_ATtiny9__",        0x0040, 0x0, 1) 
-AVR_MCU ("attiny10",         ARCH_AVRTINY, AVR_ISA_NONE, "__AVR_ATtiny10__",       0x0040, 0x0, 1)
-AVR_MCU ("attiny20",         ARCH_AVRTINY, AVR_ISA_NONE, "__AVR_ATtiny20__",       0x0040, 0x0, 1)
-AVR_MCU ("attiny40",         ARCH_AVRTINY, AVR_ISA_NONE, "__AVR_ATtiny40__",       0x0040, 0x0, 1)
+AVR_MCU ("avrtiny",          ARCH_AVRTINY, AVR_ISA_NONE, NULL,                     0x0040, 0x0, 1, 0x400)
+AVR_MCU ("attiny4",          ARCH_AVRTINY, AVR_ISA_NONE, "__AVR_ATtiny4__",        0x0040, 0x0, 1, 0x200)
+AVR_MCU ("attiny5",          ARCH_AVRTINY, AVR_ISA_NONE, "__AVR_ATtiny5__",        0x0040, 0x0, 1, 0x200)
+AVR_MCU ("attiny9",          ARCH_AVRTINY, AVR_ISA_NONE, "__AVR_ATtiny9__",        0x0040, 0x0, 1, 0x400)
+AVR_MCU ("attiny10",         ARCH_AVRTINY, AVR_ISA_NONE, "__AVR_ATtiny10__",       0x0040, 0x0, 1, 0x400)
+AVR_MCU ("attiny20",         ARCH_AVRTINY, AVR_ISA_NONE, "__AVR_ATtiny20__",       0x0040, 0x0, 1, 0x800)
+AVR_MCU ("attiny40",         ARCH_AVRTINY, AVR_ISA_NONE, "__AVR_ATtiny40__",       0x0040, 0x0, 1, 0x1000)
 /* Assembler only.  */
-AVR_MCU ("avr1",             ARCH_AVR1, AVR_ISA_NONE, NULL,                        0x0060, 0x0, 1)
-AVR_MCU ("at90s1200",        ARCH_AVR1, AVR_ISA_NONE, "__AVR_AT90S1200__",         0x0060, 0x0, 1)
-AVR_MCU ("attiny11",         ARCH_AVR1, AVR_ISA_NONE, "__AVR_ATtiny11__",          0x0060, 0x0, 1)
-AVR_MCU ("attiny12",         ARCH_AVR1, AVR_ISA_NONE, "__AVR_ATtiny12__",          0x0060, 0x0, 1)
-AVR_MCU ("attiny15",         ARCH_AVR1, AVR_ISA_NONE, "__AVR_ATtiny15__",          0x0060, 0x0, 1)
-AVR_MCU ("attiny28",         ARCH_AVR1, AVR_ISA_NONE, "__AVR_ATtiny28__",          0x0060, 0x0, 1)
+AVR_MCU ("avr1",             ARCH_AVR1, AVR_ISA_NONE, NULL,                        0x0060, 0x0, 1, 0x400)
+AVR_MCU ("at90s1200",        ARCH_AVR1, AVR_ISA_NONE, "__AVR_AT90S1200__",         0x0060, 0x0, 1, 0x400)
+AVR_MCU ("attiny11",         ARCH_AVR1, AVR_ISA_NONE, "__AVR_ATtiny11__",          0x0060, 0x0, 1, 0x400)
+AVR_MCU ("attiny12",         ARCH_AVR1, AVR_ISA_NONE, "__AVR_ATtiny12__",          0x0060, 0x0, 1, 0x400)
+AVR_MCU ("attiny15",         ARCH_AVR1, AVR_ISA_NONE, "__AVR_ATtiny15__",          0x0060, 0x0, 1, 0x400)
+AVR_MCU ("attiny28",         ARCH_AVR1, AVR_ISA_NONE, "__AVR_ATtiny28__",          0x0060, 0x0, 1, 0x800)
diff --git a/gcc/config/avr/gen-avr-mmcu-specs.c b/gcc/config/avr/gen-avr-mmcu-specs.c
index 7fca756..ac39ed5 100644
--- a/gcc/config/avr/gen-avr-mmcu-specs.c
+++ b/gcc/config/avr/gen-avr-mmcu-specs.c
@@ -210,17 +210,16 @@ print_mcu (const avr_mcu_t *mcu)
   // avr-specific specs for linking / the linker.
 
   int wrap_k =
-    str_prefix_p (mcu->name, "at90usb8") ? 8
-    : str_prefix_p (mcu->name, "atmega16") ? 16
-    : (str_prefix_p (mcu->name, "atmega32")
-       || str_prefix_p (mcu->name, "at90can32")) ? 32
-    : (str_prefix_p (mcu->name, "atmega64")
-       || str_prefix_p (mcu->name, "at90can64")
-       || str_prefix_p (mcu->name, "at90usb64")) ? 64
+    mcu->flash_size == 0x2000 ? 8
+    : mcu->flash_size == 0x4000 ? 16
+    : mcu->flash_size == 0x8000 ? 32
+    : mcu->flash_size == 0x10000 ? 64
     : 0;
 
   fprintf (f, "*link_pmem_wrap:\n");
-  if (wrap_k)
+  if (wrap_k == 8)
+    fprintf (f, "\t%%{!mno-pmem-wrap-around: --pmem-wrap-around=8k}");
+  else if (wrap_k > 8)
     fprintf (f, "\t%%{mpmem-wrap-around: --pmem-wrap-around=%dk}", wrap_k);
   fprintf (f, "\n\n");
 
diff --git a/gcc/config/avr/specs.h b/gcc/config/avr/specs.h
index 52763cc..d182211 100644
--- a/gcc/config/avr/specs.h
+++ b/gcc/config/avr/specs.h
@@ -57,7 +57,7 @@ along with GCC; see the file COPYING3.  If not see
   "%{mmcu=*:-m%*} "
 
 #define LINK_RELAX_SPEC                         \
-  "%{mrelax:--relax %(link_pmem_wrap)} "
+  "%{mrelax:--relax} "
 
 #undef  LINK_SPEC
 #define LINK_SPEC                               \
@@ -65,6 +65,7 @@ along with GCC; see the file COPYING3.  If not see
   "%(link_data_start) "                         \
   "%(link_text_start) "                         \
   "%(link_relax) "                              \
+  "%(link_pmem_wrap) "                          \
   "%{shared:%eshared is not supported} "
 
 #undef  LIB_SPEC
