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-O4?

To: gcc-help at gcc dot gnu dot org
Subject: -O4?
From: Weiguang Shi <wgshi at cs dot ualberta dot ca>
Date: Tue, 19 Dec 2000 10:37:12 -0700

Hi there,

I got some code where in the makefile the gcc is given the option "-O4". I
looked it up using "info gcc" but got no explaination on it. The highest
optimization level I got is "-O3".

Could you please what it means?

Thanks very much.

Weiguang

Follow-Ups:
- Re: -O4?
  - From: Alexandre Oliva
- RE: -O4?
  - From: Puneet Singhal aka Victor

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