Daniel Jacobowitz a écrit : > On Sat, Nov 03, 2007 at 06:35:48PM +0100, Aurelien Jarno wrote: >> Hi all, >> >> The current softfloat implementation changes qNaN into sNaN when >> converting between formats, for no reason. The attached patch fixes >> that. It also fixes an off-by-one in the extended double precision >> format (aka floatx80), the mantissa is 64-bit long and not 63-bit >> long. >> >> With this patch applied all the glibc 2.7 floating point tests >> are successfull on MIPS and MIPSEL. > > FYI, I posted a similar patch and haven't had time to get back to it. > Andreas reminded me that we need to make sure at least one mantissa > bit is set. If we're confident that the common NaN format will > already have some bit other than the qnan/snan bit set, this is fine; > otherwise, we might want to forcibly set some other mantissa bit. >
Good point. I will try to improve my patch. -- .''`. Aurelien Jarno | GPG: 1024D/F1BCDB73 : :' : Debian developer | Electrical Engineer `. `' [EMAIL PROTECTED] | [EMAIL PROTECTED] `- people.debian.org/~aurel32 | www.aurel32.net
