From: ovek AT arcticnet DOT no (Ove Kaaven)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: GCC optimization option "-O3" buggy ?
Date: Mon, 03 Mar 1997 10:28:38 GMT
Organization: Vplan Programvare AS
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Message-ID: <5ffs3o$gak$1@troll.powertech.no>
References: <5ffarc$l0t AT fsuj19 DOT rz DOT uni-jena DOT de>
NNTP-Posting-Host: alwayscold.darkness.arcticnet.no
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

s5muma AT rz DOT uni-jena DOT de (Marc Mueller) wrote:

>Compiling the C-source with optimization flag "-O3" causes general
>protection faults in runtime, otherwise all runs quite right. 

gcc expects you to preserve EBX, ESI, and EDI.