On Thu, Mar 14, 2002 at 07:10:31PM +0100, Thiemo Seufer wrote: > Johannes Stezenbach wrote: > > GCCFLAGS += -Wa,-march=vr4100 -mips2 -Wa,--trap > > > > This works, but I am unshure what the effects of the > > missing -mcpu switch are wrt the code generated by gcc. > > AFAICS the kernel still works, but is the generated > > code slower or subtly incorrect? > > I don't know what the compiler does then. I assume it defaults to > r3000 scheduling/opcodes. How bad is that compared to -mcpu=vr4100? > I would suggest the syntax > > .set march=vr4100 > > This is in my TODO list for gas, but don't hold your breath. OK. > The real fix is to use a newer compiler (gcc >= 3). :-) Not too long ago people here told me that gcc 3.x is still not ready for production use. Or is gcc-3.1-pre from CVS ready for prime time? Thanks, Johannes
