RE: GCC 3.3.2 and Alchemy AU1100

["Lyle Bainbridge" <lyle@zevion.com>]

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.
> 
> 
>