On Tue, Apr 15, 2003 at 08:12:20AM +1000, Kevin Ryde wrote: > Richard Zidlicky <[EMAIL PROTECTED]> writes: > > > > it would run faster on 68020-40 CPU´s, the problem is it would > > also run *much* slower on 68060 CPU´s.. > > Oh, you mean 68881 emulated on 060? If that applies to all packages > then I guess gmp is the least of anyone's worries on an 060. For what > it's worth the gmp asm code doesn't use any float, so addressing just > the CFLAGS would do the trick no doubt.
no. gmp uses 32x32->64 bit integer mutliply and divide instructions which are not implemented on the 68060. Emulating these by software results in a 10x slowdown for some gmp apps. Richard
