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Re: RedHat 7.1/mips update


On Fri, Oct 26, 2001 at 05:14:04PM -0700, Eric M. Christopher wrote:
> 
> > EF_MIPS_ARCH field and let bfd set the EF_MIPS_MACH field only. Then
> > we should allow
> > 
> > -march=r4100 -mips2
> > 
> > which means to use instructions from mips2 plus those from r4100.
> >
> 
> This is harder than you think.  Some architectures have taken a
> reference architecture and remove instructions - not add. At which point
> which part has precedence the -mipsX or the -march?
> 

Do you see my patch:

http://sources.redhat.com/ml/binutils/2001-10/msg00526.html

My patch will allow you to set -mipsX if it is comaptible with -march. You
can do further checking in OPCODE_IS_MEMBER to see if an instruction is
implemented in mips_arch.


H.J.


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