Re: gcc -Os optimisation broken (RELENG_4)

[Dan Nelson]

In the last episode (Mar 15), David O'Brien said:
> On Wed, Mar 15, 2000 at 10:51:55AM -0600, Dan Nelson wrote:
> > I get it with -O2 (-Os implies -O2, so it's probably the same
> > problem).
> 
> Not quite.  -0s ==> all the -O2 optimizations that do not increase
> code size.  -Os can also perform other optimizations not part of -O2
> that decrease code size.  The -Os ==> -O2 only tells you how "risky"
> in optimizing -Os is willing to be.

Too risky, apparently :)

Maxim: It looks like you've done quite a big of debugging already; can
you get this bug to appear in a small piece of code?  I'm sure the gcc
developers would be able to fix the problem pretty quickly if it's
easily reproducable.

-- 
        Dan Nelson
        [EMAIL PROTECTED]


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