gcc optimization with -O<x>

[Muthukumar Ratty]

Anything above -O3 is passed to the linker.


On Fri, 17 Sep 2004, Daniel Eftodi wrote:

> Hello,
>
> I have this Q about what '-O4 thru -O6 and -O9' does/exactly what it enables,
> and so forth.
>
> yes, I've read the relative sections[1,2] of the manual about this topic - and
> find only up to -O3 defined.
>
> - - -
> [1] -
> http://gcc.gnu.org/onlinedocs/gcc-3.4.2/gcc/i386-and-x86_002d64-Options.html#i386-and-x86_002d64-Options
> [2] - http://gcc.gnu.org/onlinedocs/gcc-3.4.2/gcc/Optimize-Options.html#Optimize-Options
>
>
>
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