Better attach the patch...

Georg-Johann Lay wrote:
> Let me drop this, I was thinking too complicated.
> 
> src/gas/config/tc-avr.c
> 
> reads:
> 
> static struct mcu_type_s mcu_types[] =
> {
>   {"avr1",       AVR_ISA_AVR1,    bfd_mach_avr1},
> /* TODO: insruction set for avr2 architecture should be AVR_ISA_AVR2,
>  but set to AVR_ISA_AVR25 for some following version
>  of GCC (from 4.3) for backward compatibility.  */
>   {"avr2",       AVR_ISA_AVR25,   bfd_mach_avr2},
>   {"avr25",      AVR_ISA_AVR25,   bfd_mach_avr25},
> /* TODO: insruction set for avr3 architecture should be AVR_ISA_AVR3,
>  but set to AVR_ISA_AVR3_ALL for some following version
>  of GCC (from 4.3) for backward compatibility.  */
>   {"avr3",       AVR_ISA_AVR3_ALL, bfd_mach_avr3},
>   {"avr31",      AVR_ISA_AVR31,   bfd_mach_avr31},
>   {"avr35",      AVR_ISA_AVR35,   bfd_mach_avr35},
>   {"avr4",       AVR_ISA_AVR4,    bfd_mach_avr4},
> /* TODO: insruction set for avr5 architecture should be AVR_ISA_AVR5,
>  but set to AVR_ISA_AVR51 for some following version
>  of GCC (from 4.3) for backward compatibility.  */
>   {"avr5",       AVR_ISA_AVR51,   bfd_mach_avr5},
>   {"avr51",      AVR_ISA_AVR51,   bfd_mach_avr51},
>   {"avr6",       AVR_ISA_AVR6,    bfd_mach_avr6},
> 
> This means that cores liek avr31, avr35 etc. are supported by binutils and
> there is no more the need for avr-gcc to do mappings like avr31 -> avr3.
> 
> It appears that avr-gcc implemented these mappings to overcome missing binutils
> support for specific cores, and in turn binutils arranged for that kludge...
> 
> This means that avr_arch_t need not to be extended to hold the arch mapping for
> gas calls and the gas call can use the core name from avr_arch_t.
> 
> 
> I broke the patch into two parts:
> 
> 1/2:  New devices
> 2/2:  Map device to core to disentangle gcc/binutils interdependencies.
> 
> Okay for trunk and 4.7 backport?
> 
> Johann
> 
> 
> 	* avr/avr-mcus.def (ata5272, ata5505, attiny1634, ata6285)
> 	(ata6286, atmega8a, atmega48pa, ata5790, ata5790n, ata5795)
> 	(atmega164pa, atmega165pa, atmega168pa, atmega16hva, atmega16hvb)
> 	(atmega16hvbrevb, atmega16m1, atmega16u4, atmega26hvg, atmega32a)
> 	(atmega32a, atmega3250pa, atmega3290pa, atmega32c1, atmega32m1)
> 	(atmega32u4, atmega32u6, atmega64a, atmega6490a, atmega6490p)
> 	(atmega64c1, atmega64m1, atmega64rfa2, atmega64rfr2, atmega32hvb)
> 	(atmega32hvbrevb, atmega16hva2, atmega48hvf, at90pwm161)
> 	(atmega128a, atmega1284, atmxt112sl, atmxt224, atmxt224e)
> 	(atmxt336s, atxmega16a4u, atxmega16c4, atxmega32a4u, atxmega32c4)
> 	(atxmega32e5, atxmega64a3u, atxmega64a4u, atxmega64b1, atxmega64b3)
> 	(atxmega64c3, atxmega64d4, atxmega128a3u, atxmega128b1)
> 	(atxmega128b3, atxmega128c3, atxmega128d4, atmxt540s, atmxt540sreva)
> 	(atxmega192a3u, atxmega192c3, atxmega256a3u, atxmega256c3)
> 	(atxmega384c3, atxmega384d3, atxmega128a4u): New AVR_MCU.
> 	(avrxmega6): Increase max flash segments from 5 to 6.
> 	* config/avr/t-multilib: Regenerate.
> 	* config/avr/avr-tables.opt: Regenerate.
> 	* doc/avr-mmcu.texi: Regenerate.