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SubjectRe: Big kernel size increase with gcc 3.4
Ville Herva wrote:

>>You should try -Os if you want to optimize for size.
> I was about to suggest that, too.
> It could be that while optimizing for speed, gcc 3.4 simply inlines way more
> by default (whether or not that actually makes the code faster is a
> different question). I think -Os could be a better comparison.

You were both right. With -Os, GCC 3.3.1 and 3.4 perform
similarly, with a slight advantage for 3.4 :-)

text data bss dec hex filename
833352 47200 78884 959436 ea3cc vmlinux_gcc331
807140 48036 78884 934060 e40ac vmlinux_gcc331_Os
796264 50560 78884 925708 e200c vmlinux_gcc34_Os

// Bernardo Innocenti - Develer S.r.l., R&D dept.

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