Hi, I am using GCC 3.3.2 to crosscompile the 2.4.22 kernel for an Au1500 system under x86 Redhat 9.0 and I use the following settings with success. -mtune=r4600 -mips2 -Wa,--trap Cheers Lyle > -----Original Message----- > From: linux-mips-bounce@linux-mips.org > [mailto:linux-mips-bounce@linux-mips.org] On Behalf Of Dirk Behme > Sent: Tuesday, December 09, 2003 3:58 AM > To: 'linux-mips@linux-mips.org' > Subject: Re: GCC 3.3.2 and Alchemy AU1100 > > > Hamilton, Ian wrote: > > > Hi there. > > > > I'm trying to build software for the AMD AU1100 processor using > > version 3.3.2 of the gnu compiler, and I'm having trouble > figuring out > > the -march, -mtune, etc settings. > > > > Version 2.95 of gcc uses something like -mcpu=r4600, but > this doesn't > > work with 3.3.2. > > > > I've tried other likely-looking options (e.g. -mips32), but the > > compiler fails to assembler instructions like mtc0 and cache. > > > > Has anyone built for the AU1100 using gcc 3.3.2? If so, > could you tell > > me the cpu options you used please? > > For a VR41xx CPU with GCC 3.3.1 I have used > > -march=r4600 -mips3 -Wa,--trap > > instead of the old > > -mcpu=r4600 -mips2 -Wa,--trap > > Not sure whether this is correct (no test of the output on a > target yet), but it compiles. > > >
