request for opinion on alternative operand/operator classification/promotion approach

Paul Schlie schlie@comcast.net
Tue Oct 26 06:32:00 GMT 2004


Fair, will do shortly.

> From: Zack Weinberg <zack@codesourcery.com>
>> Paul Schlie <schlie@comcast.net> writes:
>> Please consider this a request for opinion on the possible benefits of
>> simplifying GCC's present front-end's operand and operation type/precision
>> determination logic in favor of leveraging the back-end's present rtl tree
>> matching/covering ability to more optimally identify and apply operand cast
>> promotions only if and as required by the target machine's instruction set
>> definition to enable more efficient target machine instruction specification
>> and code generation, by adopting a few reasonably simple conventions.
> 
> I find your prose incomprehensible - I can't be certain even what
> problem you are trying to solve, never mind express an opinion on your
> proposed solution.  Could you please restate your question in a more
> comprehensible fashion?  Use shorter/less complicated sentences, less
> nesting of subclauses, fewer buzzwords?
> 
> zw




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