Re: abysmal code generated by gcc 3.2

[Michael Matz <matz@suse.de>]

Hi,

On Mon, 21 Oct 2002, Dale Johannesen wrote:

> >> uh? except for max-inline-insns, I never heard of the others.  Are
> >> these new (and what do they mean? - is that maybe documented in CVS).
> >
> > I'll assume all of these are documented in the manual,
>
> No, they are not.  Perhaps the patch that added them
>
> 2002-04-27  Kurt Garloff <garloff@suse.de>
>
>          * tree-inline.c (inlinable_function_p): Improve heuristics
>          by using a smoother function to cut down allowable inlinable
> size.
>          * param.def: Add parameters max-inline-insns-single,
>          max-inline-slope, min-inline-insns that determine the exact
>          shape of the above function.
>          * param.h: Likewise.
>
> should be reverted until this is fixed.

A little bit too harsh I would say.  The documentation (which Kurt wrote)
just wasn't committed for some reason (I believe another person than Kurt
actually committed the patch on Kurt's behalf).

> (-fmax-inline-insns was broken at the same time so that it no longer
> works to increase the size limit.)


Ciao,
Michael.