Messages in this thread |  | | Date | Wed, 10 Jan 2001 09:54:04 -0500 | From | Brian Gerst <> | Subject | Re: * 4 converted to << 2 for networking code |
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antirez wrote: > > Hi all, > > The attached patch converts many occurences of '* 4' in the networking code > (often used to convert in bytes the TCP data offset and the IP header len) > to the faster '<< 2'. Since this was a quite repetitive work it's better > if someone double-check it before to apply the patch. > The patch is for linux-2.4.
This patch isn't really necessary, because GCC will automatically convert multiplications and divisions by powers of two to use shifts.
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