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    SubjectRe: [2.6 patch] add a config option for -Os compilation
    Adrian Bunk wrote:
    > On Sat, Oct 18, 2003 at 07:10:22PM +0200, Ihar 'Philips' Filipau wrote:
    >
    >>Martin J. Bligh wrote:
    >>>If you have a puny 128K L2 cache, it might help,
    >
    > Martin was ironically talking about people who are ignorant of machines
    > with _huge_ caches.
    >

    Oh. Sorry. Probably I need to work on my English bit more.

    > I the context of this thread he wanted to vote for making -Os
    > conditionally and not unconditionally enabled by telling that he knows
    > of situations where -O2 produces faster code.

    Absolutely.
    High-end toys, after all, optimized to handle this.

    IMHO this should be settled on per-target basis: embedded system -
    -Os; servers - -O2; desktops - -O3 ;) So instead of CONFIG_EMBEDDED
    better to have CONFIG_TARGET=[desktop|server|embedded].

    Inroducing one more variable into builds - is really painful. I was
    hit by gcc miscompiles and internal errors not once (especially with
    -O[23]). Tracking down this kind of issues would be made more problematic.

    P.S. I'm really sorry for my rude response.

    --
    Ihar 'Philips' Filipau / with best regards from Saarbruecken.
    --
    "... and for $64000 question, could you get yourself vaguely
    familiar with the notion of on-topic posting?"
    -- Al Viro @ LKML

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