Re: -Os versus -O2

[Jeff Garzik]

Adrian Bunk wrote:
> The interesting questions are:
> Does -Os still sometimes generate faster code with gcc 4.2?
> If yes, why?

Smaller code can mean fewer page faults, fewer cache invalidations, etc.

It's not just a matter of compiler code generation, gotta look at the 
whole picture.

	Jeff


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