Messages in this thread | | | Subject | Re: [RHEL5 PATCH 1/4] Provide fallback full 64-bit divide/modulus ops for gcc | From | Andi Kleen <> | Date | 15 Aug 2006 10:10:32 +0200 |
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David Howells <dhowells@redhat.com> 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.
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