Article View: gnu.gcc.help
Article #50054Help with GCC optimization.
From: Christian Holtje
Date: Fri, 19 Nov 1993 07:32
Date: Fri, 19 Nov 1993 07:32
20 lines
1496 bytes
1496 bytes
I'm running linux and I would like to know what the flags are for gcc, especially for optimization. I want really fast code, made 486 specific, not 486-if-possible-else-386. What does the -O stand for? I've seen a lot of -O2s and a -O6 for the kernel, would someone enlighten me, since I can't find a man page and gcc -h (and similar tries) produce no help? -Doc _________From the computer of --Doctor What--____________________(C. Holtje)___ ] docwhat@uiuc.edu | God is real -- unless declared integer [ ] Mail me for help, a | Yappappaa yappappaa iishanten [ ] subscription to my | Hashagu koi wa ike no koi. [ ] periodical, or for fun | My other account is a Linux account. [ ------------------------------------------------------------------------------- Thought for the day: Men seldom show dimples to girls who have pimples.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 11318c,7621ab85c7c771e3,start X-Google-Attributes: gid11318c,public X-Google-ArrivalTime: 1993-11-19 00:41:28 PST Path: arc1-ca.pugleaf.net!gmd.de!xlink.net!howland.reston.ans.net!vixen.cso.uiuc.edu!ux1.cso.uiuc.edu!choltje From: choltje@ux1.cso.uiuc.edu (Christian Holtje) Newsgroups: gnu.gcc.help Subject: Help with GCC optimization. Date: 19 Nov 1993 07:32:24 GMT Organization: University of Illinois at Urbana Lines: 21 Message-ID: <2chsq8$7n8@vixen.cso.uiuc.edu> NNTP-Posting-Host: ux1.cso.uiuc.edu