critical floating point incompatibility
Peter Jeremy
peterjeremy at optushome.com.au
Thu Dec 20 01:39:53 PST 2007
On Wed, Dec 19, 2007 at 09:40:34PM -0800, Carl Shapiro wrote:
>The default setting of the x87 floating point control word on the i386
>port is 0x127F. Among other things, this value sets the precision
>control to double precision. The default setting of the x87 floating
>point control word on the AMD64 is 0x37F.
...
>It seems clear that the right thing to do is to set the floating point
>environment to the i386 default for i386 binaries. Is the current
>behavior intended?
I believe this is an oversight. See the thread beginning
http://lists.freebsd.org/pipermail/freebsd-stable/2007-November/037947.html
--
Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
an MTA that is either RFC2821-compliant or matches their claimed behaviour.
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