Re: gcc-2.95.3 vs gcc-3.0.4

Richard Gooch
2002-02-23T05:50:56Z

Andrew Morton writes:
> Larry McVoy wrote:
> >
> > Try 2.72, it's almost twice as fast as 2.95 for builds. For BK, at least,
> > we don't see any benefit from the slower compiler, the code runs the same
> > either way.
> >
>
> Amen.
>
> I want 2.7.2.3 back, but it was the name:value struct initialiser
> bug which killed that off. 2.91.66 isn't much slower than 2.7.x,
> and it's what I use.
>
> "almost twice as fast"? That means that 2.7.2 vs 3.x is getting
> up to a 3x difference. Does anyone know why?

I'm less concerned about compilation speed than the fact that gcc
2.95.3 generates buggy code. User-space code that used to work with
gcc 2.7.2 and egcs 1.1.2 now doesn't. Blech.

Regards,

Richard....
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