Messages in this thread | | | Date | Mon, 23 Sep 2002 20:31:57 +0200 | From | Pavel Machek <> | Subject | Re: Syscall changes registers beyond %eax, on linux-i386 |
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Hi!
> > > It's a problem with a 'general purpose' compiler that wants to > > > be "all things" to all people. If somebody made a gcc-compatible > > > compiler, tuned to the ix86 characteristics, I think we could > > > cut the extra instructions by at least 1/2, maybe more. > > > > Remember pgcc? > > > > And btw cutting instructions by 1/2might look nice but unless you can > > keep it as fast as it was, its useless. > > Pavel > > -- > Yes, but to see the affect of cutting down the instruction length, you > need to make benchmarks that emulate running 'forever'. Many bench-
Specs contain things like perl and gcc, those are I believe far too big to be put entirely into cache and emulate "Real Life" quite well...
Pavel -- Casualities in World Trade Center: ~3k dead inside the building, cryptography in U.S.A. and free speech in Czech Republic. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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