Re: 6.0 and -O2 option

From: Chuck Swiger (cswiger_at_mac.com)
Date: 08/31/05

  • Next message: Stephan Uphoff: "Re: thanks for commiting (MFC ffs_softdep.c 1.182, softdep.h 1.18) to RELENG_5 and 6. When in 4?" 
    Date: Wed, 31 Aug 2005 10:57:05 -0400
To: "Jim C. Nasby" <decibel@decibel.org>

    Jim C. Nasby wrote:
    > On Tue, Aug 30, 2005 at 10:57:53AM +1000, Robert Backhaus wrote:
    [ ... ]
    >> Simply because not every port works with -O2 optimisations. It caused
    >> bad code in some circumstances.
    >
    > Is there an automated way to identify those ports so they can be forced
    > not to use -O higer than -O1?

    Regrettably, no. Well, -Werror might be somewhere between overkill and
    helpful, assuming the compiler can recognize a potential type-punning situation. 

    -- 
-Chuck
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  • Next message: Stephan Uphoff: "Re: thanks for commiting (MFC ffs_softdep.c 1.182, softdep.h 1.18) to RELENG_5 and 6. When in 4?"

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