On Tue, 2003-04-15 at 06:55, Dominic Sweetman wrote: > Dennis Castleman (DennisCastleman@oaktech.com) writes: > > > I'm trying to run soft-floating point functions on a r5000 core with > > a FPU. Without having to take the overhead of using a trap. Using > > the files fp-bit.c and dp-bit.c from the gcc source as a floating > > point lib. This implementation lack in accuracy in the least > > signeficant bit multiplication in division operations. > > There's an IEEE-compatible set of software floating point routines in > the Linux kernel, invoked by the trap handler. The routines were > donated by Algorithmics (now part of MIPS Technologies). > > If you wrapped them in the appropriate GCC skins, they should give you > a soft-float library which works better. > I've found John Hauser's softfloat package to be an excellent resource for such applications. It's under a BSD licence, and can be found here: http://www.jhauser.us/arithmetic/SoftFloat.html I've been very happy with it in a couple of projects. -Justin
