Ralf Baechle wrote: > On Tue, Jul 31, 2001 at 09:28:22AM +0200, Thiemo Seufer wrote: > > > > The la macro is split into a lui and a daddiu. The daddiu is not correct > > > for a mips32 cpu. Getting rid of the -mcpu=4600 fixes the problem and > > > the daddiu is then changed addiu. > > > > This is IIRC a known bug in at least current binutils CVS, a patch > > to fix it really was already discussed. > > Is this macro expaned by the compiler or assembler? Just -mcpu=r4600 > should not make cc1 generate any instructions beyond MIPS I. > > In the past we already had inline assembler fragments that left the assembler > in .misp3 mode thus resulting the rest of the file bein assembled in > mips3 mode. Yes, and I'm sure I fixed that so it worked on MIPS32 CPUs, only leaving the "eret" instructions. > > > > Is there a truly correct -mcpu option for a mips32 cpu? > > None is really good, none is really bad ... > > > In theory, no -mcpu option (which is to be deprecated in > > favor of -march/-mtune) and -mips32 as ISA flag _should_ work. > > > > In practice, the patch which adds this to gas was discussed on the > > binutils list the last days and is likely to go in CVS > > today or tomorrow. > > Ralf
