> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] > On Behalf Of Kumar Gala > Sent: Tuesday, January 08, 2008 2:20 PM > To: Dan Malek > Cc: Liu Yu; linuxppc-dev@ozlabs.org > Subject: Re: [PATCH] Fix remainder calculating bug in single > floating pointdivision > > > On Jan 6, 2008, at 2:44 PM, Dan Malek wrote: > > > > > On Jan 6, 2008, at 12:07 PM, Benjamin Herrenschmidt wrote: > > > >> It's nice to see somebody digging in that scary math emu stuff. If > >> you could also get rid of the warnings, it would be perfect :-) > > > > Yes, it is :-) I didn't think it would have a life beyond MPC8xx. > > > >> .... that this code was lifted from > >> somewhere else (glibc ? gcc soft-float ?), > > > > It seems like a lifetime ago.... I copied the framework > from Sparc, > > and the internals from gcc soft-float. I didn't change any of the > > internal emulation functions (hence, some of the warnings), > just the > > calling interface. > > > > While it's convenient, I still don't think kernel float emulation > > should be a solution. The tools should generate soft-float for the > > applications and libraries. > > If we think this is really true, we could move to using include/math- > emu/* instead of the files in powerpc/math-emu.
Why it's better to move to using include/math-emu. I found they have similar framework, is powerpc/math-emu evolved from include/math-emu? > > The problem I had was when I tried to recreate the history of > the code in powerpc/math-emu and how it doesn't really match > the glibc code base. There are some differences and I wasn't > sure if they were do to trying to match PPC HW at a bit level or not. > > I was hoping that the work Liu Yu would get as a bit of a > testsuite to see if there was any harm in moving over to > include/math-emu. > > - k > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-dev > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
