i386/51210: gcc compiler bug with floating point
das at FreeBSD.ORG
Fri May 2 04:50:24 PDT 2003
The following reply was made to PR i386/51210; it has been noted by GNATS.
From: David Schultz <das at FreeBSD.ORG>
To: ura at euro-bill.net
Cc: FreeBSD-gnats-submit at FreeBSD.ORG
Subject: Re: i386/51210: gcc compiler bug with floating point
Date: Fri, 2 May 2003 04:42:57 -0700
On Mon, Apr 21, 2003, ura at euro-bill.net wrote:
> ttyp4 ~> gcc -v
> Using built-in specs.
> Configured with: FreeBSD/i386 system compiler
> Thread model: posix
> gcc version 3.2.1 [FreeBSD] 20021119 (release)
> When libm(msun) built with -march=pentium4, pow(3) returns incorrect
> You must have pentium4 processor.
gcc 3.2 is known broken in this regard. It is more helpful if you
can report this kind of problem to the gcc folks; we don't write
the compiler. BTW, does this still happen with a gcc 3.3 snapshot?
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