On Tue, May 06, 2008 at 03:02:19PM +0200, [EMAIL PROTECTED] wrote: > Hi. > > Why on Win64 on AMD64 is Extended type 64bit same as double and on Win32, > Linux32 and > Linux64 is 80bit. It breaks for example this construction: > > procedure Swap(var X, Y: Double); overload; > procedure Swap(var X, Y: Extended); overload; > > (I know that extended type is defined as float with the best precision on the > given platform.)
I now found some explanations: http://www.mail-archive.com/fpc-devel@lists.freepascal.org/msg08690.html And explanation that 80-bit precision on AMD64 is depracated and should be replaced by SIMD. http://developer.amd.com/documentation/articles/Pages/62720069_4.aspx Petr -- Ing. Petr Kristan . EPOS PRO s.r.o., Bozeny Nemcove 2625, 530 02 Pardubice tel: +420 466335223 Czech Republic (Eastern Europe) fax: +420 466510709 _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel
