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Re: [avr-gcc-list] What is the best method to avoid avr35 for avr-gcc4.3


From: Dmitry K.
Subject: Re: [avr-gcc-list] What is the best method to avoid avr35 for avr-gcc4.3?
Date: Wed, 9 Jan 2008 08:54:59 +1000
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On Tuesday 08 January 2008 22:31, Anatoly Sokolov wrote:
> Use patch:
> http://sourceware.org/ml/binutils/2008-01/msg00037.html

Thanks.  It was a surpise for me, that avr2 (and avr3 now)
are different for avr-gcc and avr-as.

And what is an advantage of a difference of avr2 architecture
for avr-gcc and for avr-as?  Is it a bug, that avr-gcc
translate '-mmcu=avr2' option into the same '-mmcu=avr2'
avr-as option?  (For avr-gcc 'avr2' is the avr2-relocation
and the classic instruction set. For avr-as 'avr2' is also
avr2-relocation, but the enhanced instruction set without
multiplication.)

IMHO, it would be better to permit for avr-as the '-mmcu=avr25'
option: which is alias for 'avr2' in relocation and is
differ in instruction set. (The same for avr35/avr3).

Dmitry.





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