On 24 Nov, Yosi wrote:
> Hi Craig,
>
> These are the flags I use when compiling lame. I also use gcc3 which give a
> signficant speed improvement over gcc-2.95.
> Just do something like this:
>
> CFLAGS="-O6 -fomit-frame-pointer -mcpu=athlon -march=athlon
> -malign-functions=4 -funroll-loops -fexpensive-optimizations
> -malign-double -fschedule-insns2" CC=gcc3 ./configure
Looking at the source of gcc (toplev.c):
-fexpensive-optimizations is activated with -O2 or higher,
-fschedule-insns2 might be also activated with -O2 or higher (I think
it is),
-O6 didn't exist (3 is the highest value for gcc).
You might also try if adding "-fmove-all-movables -freduce-all-givs
-fsched-interblock -fbranch-count-reg -fforce-addr" does something valuable.
Bye,
Alexander.
--
Yes, I've heard of "decaf." What's your point?
http://www.Leidinger.net Alexander @ Leidinger.net
GPG fingerprint = C518 BC70 E67F 143F BE91 3365 79E2 9C60 B006 3FE7
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