optimization levels for 6-STABLE build{kernel,world}

Tony Maher anthony.maher at uts.edu.au
Wed Sep 13 17:07:37 PDT 2006


Gary Kline wrote:

> <deleted>
>
> 	A couple of things.  Will having gcc unroll loops have any
> 	negative consequences?  (I can't imagine how:: but better 
> 	informed than to have something crash inexplicability.)
> 	With 6.X safe at -O2 and with -funroll-loops, that should be
> 	a slight gain, right?  (It also will make an upgrade from 5.5 
> 	to 6.[12] that much more rational.)

-funroll-loops affect loader see
http://lists.freebsd.org/pipermail/freebsd-stable/2006-September/028145.html

--
tonym


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