Re: [RHEL5 PATCH 1/4] Provide fallback full 64-bit divide/modulus ops for gcc

[Andi Kleen]

David Howells <dhowells@xxxxxxxxxx> writes:

> Provide simple, reasonably quick full 64-bit divide and modulus ops for gcc to
> call behind the scenes as:
> 
> 	__udivmoddi4
> 	__udivdi3
> 	__umoddi3

At least Linus' traditional argument against this is that it's better
to open code these (do_div) so that it's clear to the coder that they
are really costly.

-Andi
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