On Saturday 05 November 2005 18:54, Giovanni Bajo wrote:
> Hello,
>
> any specific reason why we still don't unroll loops by default at -O3? It
> looks like it gives better results on most benchmark, and many people use
> it always together with -O3 to say "really optimize, I mean it".

One reason why it's not enabled is because it causes a huge compile time
regression.

Gr.
Steven

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