Messages in this thread | | | Date | Sat, 22 Dec 2001 21:54:58 +0100 | From | Pavel Machek <> | Subject | Re: gcc 3.0.2/kernel details (-O issue) |
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Hi!
> > It is interesting that 2.2 can be done with -O. Also I'd expect > > errors during compilation and not silent crash... > > Well, you certainly won't get errors, because compiler optimizations > shouldn't change expected syntax. > > -O2 is the standard optimization level for the kernel; everything is > compiled via it. When developers test their code, nuances that the > optimization introduce are accepted. Removing the optimization may > break those expectations. Thus the kernel requires it.
Huh? Those expectations are *bugs*.
Kernel will not link without optimalizations because it *needs* inlining. Any else dependency is a *bug*. Pavel
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