Messages in this thread | | | Date | Tue, 18 Jan 2000 17:40:59 +0100 | From | Jamie Lokier <> | Subject | Re: Recent change in tcp_output.c is surely wrong |
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Richard B. Johnson wrote: > > Leave that to the gcc. If it is faster to clear high bit with two > > shifts, _gcc_ is the one to decide that. And yes gcc is clever enough > > to se things like that. [replacing and 0x7fffffff with shl 1 shr 1 > > is really no problem]. > > Well it's a problem if it doesn't work.
> int main() > { > int xxx = 0xffffffff; > printf("%d\n", foo0(xxx)); > printf("%d\n", foo1(xxx)); > return 0; > }
You forgot to use `unsigned int' :-)
-- Jamie
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