Re: [tip:x86/asm] x86/defconfig: Turn onCONFIG_CC_OPTIMIZE_FOR_SIZE= y in the 64-bit defconfig

[Steven Rostedt]

On Sat, 2013-01-26 at 11:43 -0800, Linus Torvalds wrote:

> The problem, of course, is that most -O2 code generation is done
> assuming hot loops that don't show much if any I$ issues. And the -Os
> thing is done *purely* for size, not taking any performance into
> account at all. There's no balanced middle ground, which is what _we_
> would want.

Gcc needs to implement a -Olinus

;-)

-- Steve


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