Author: Christophe Theron
Date: 22:56:47 05/11/00
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On May 11, 2000 at 17:20:11, Tom King wrote:
>On May 11, 2000 at 13:28:10, Christophe Theron wrote:
>
>[snip]
>>
>>
>>GCC produces very good code.
>>
>>For Chess Tiger I have just discovered that by using some different optimization
>>options it produces code that is as fast as the code generated by MSVC 6.0, SP3,
>>with maximise speed on. And this is an old version of GCC (2.7.x).
>>
>
>Hi Christophe!
>
>I'm still using gcc 2.7.2, and am a big fan of GCC.
>
>What optimizations have you find which produce fast code from GCC?
>
>I'm using -O3 -m486 -fomit-frame-pointer
>
>Any others worthwhile?
So far, -O3 and -fomit-frame-pointer is what I use.
Isn't -m486 the default anyway?
I have found nothing else. I tried some other optimization flags but nothing
worked better than what I use. Maybe I should try again, last time I tried was
last year.
Christophe
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