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Mail Archives: djgpp/2009/12/29/00:15:27

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From: Rugxulo <rugxulo AT gmail DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: GCC 2.6.3 and Cygnus' -mfpflaw patch
Date: Mon, 28 Dec 2009 21:04:37 -0800 (PST)
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Does anyone know anything about the Cygnus patch to GCC 2.6.3 to deal
with the FDIV bug? It seems similar to what Digital Mars, Borland C,
and OpenWatcom support. However, neither DJGPP v1's compile nor any
subsequent GCCs seem to have incorporated this feature. Granted, it's
unofficial, maybe they didn't think it worked well enough, or maybe
full FPU emulation was considered more accurate or better somehow.
Just curious if anybody has any thoughts. (I don't have a buggy
Pentium to test either.)

gcc-2.6.3-fdivpatch.bz2 24-Dec-1994 00:00   28K
gcc-2.6.3.tar.bz2       01-Dec-1994 00:00  4.6M

http://gcc.cybermirror.org/old-releases/gcc-2/

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