This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: request for opinion on alternative operand/operatorclassification/promotion approach


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



Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]