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Thread: Speed optimisation MCF5282




Speed optimisation MCF5282
user name
2006-04-07 14:42:16
> translate your C-Code to assembler. It is very hard,
but it works. When 
> ever we do this, we get an up to 5 times faster code.

Do you have a small example where the GCC compiler performs
5x worse
than hand-coded assembler(for ColdFire)?

-- 
Peter Barada
peterthe-baradas.com
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Speed optimisation MCF5282
user name
2006-04-07 15:08:12
Peter Barada schrieb:
>> translate your C-Code to assembler. It is very
hard, but it works. When 
>> ever we do this, we get an up to 5 times faster
code.
> 
> Do you have a small example where the GCC compiler
performs 5x worse
> than hand-coded assembler(for ColdFire)?

We are translate C-Code by gcc and than we optimize the
result by hand 
(reduce memory-access by using registers).
> 

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