Mark Mitchell wrote: >>Yes, in principle you are right, but in that case we can reorder the >>ifs: first i686, last i386 ;) Seriously earlier today I was hoping we >>can have something smarter than a series of conditionals at the level of >>libgcc, I don't know it much. I was hoping we can manage to install a >>version of it "knowing the target", so to speak. >> >> >Yes, GLIBC does that kind of thing, and we could do. In the simplest >form, we could have startup code that checks the CPU, and sets up a >table of function pointers that application code could use. > >In principle, at least, this would be useful for other things, too; we >might want different versions of integer division routines for ARM, or >maybe, even, use real FP instructions in our software floating-point >routines, if we happened to be on a hardware floating-point processor. > Yeah!!!!
Paolo.
