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Re: AW: AW: [avr-libc-dev] Additional instruction patterns for or more e


From: Paul Schlie
Subject: Re: AW: AW: [avr-libc-dev] Additional instruction patterns for or more efficient code using mixed QI/HI/SI expressions
Date: Mon, 13 Dec 2004 21:30:00 -0500
User-agent: Microsoft-Entourage/11.1.0.040913

> From: "E. Weddington" <address@hidden>
>> Paul Schlie wrote:
>> If this can be accomplished, I don't personally don't think anyone would
>> typically care about 64 bit operands and/or operations; as if they were
>> truly required, another processor/platform would likely be a better choice
>> for the corresponding product/project
>
> Even though they would be terribly inefficient, it would be great to
> have 64-bit ops in the AVR port. That way AVR GCC would compete with the
> feature list of another commercial AVR compiler...

Understood, however suspect improving basic smaller op code size/efficiency,
and supporting things like flexible fast interrupt register/memory, and
flash-based large-constant data allocation may likely be more significant.

(but do agree it would be ideal to have it all, therefore not discouraged)











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