[PATCH] MIPS/GAS: Fix register use annotation of ALNV.PS

[Maciej W. Rozycki]

On Sat, 26 Feb 2011, Richard Sandiford wrote:

> >  The ALNV.PS instruction lacks register use annotation for its general 
> > register argument.  As a result it can be reordered into a branch delay 
> > slot even if it reads a register that the branch writes.  Here's a fix.
> 
> Ouch.  So easily done.  Did someone find out the hard way, or was this
> just by inspection?

 The microMIPS version of ALNV.PS is enough of an oddball that I couldn't 
resist checking we've got the standard version right either. ;)

> > 2011-02-25  Maciej W. Rozycki  <macro@codesourcery.com>
> >
> > 	opcodes/
> > 	* mips-opc.c (mips_builtin_opcodes): Correct register use 
> > 	annotation of "alnv.ps".
> >
> > 	gas/testsuite/
> > 	* gas/mips/alnv_ps-swap.d: New test for ALNV.PS instruction
> > 	branch swapping.
> > 	* gas/mips/alnv_ps-swap.s: Source for the new test.
> > 	* gas/mips/mips.exp: Run the new test.
> 
> OK, thanks.

 It's now in, thanks.

  Maciej