[PATCH, MIPS] Check the source register for bltzal and others

[Richard Sandiford]

Chao-Ying Fu <Chao-Ying.Fu@imgtec.com> writes:
> Index: gas/config/tc-mips.c
> ===================================================================
> RCS file: /cvs/src/src/gas/config/tc-mips.c,v
> retrieving revision 1.591
> diff -u -p -r1.591 tc-mips.c
> --- gas/config/tc-mips.c	19 Aug 2013 20:07:09 -0000	1.591
> +++ gas/config/tc-mips.c	11 Sep 2013 23:12:28 -0000
> @@ -7091,6 +7091,10 @@ match_insn (struct mips_cl_insn *insn, c
>  		set_insn_error
>  		  (0, _("a destination register must be supplied"));
>  	    }
> +	  else if (arg.last_regno == 31
> +		   && (strncmp (insn->insn_mo->name, "bltzal", 6) == 0
> +		       || strncmp (insn->insn_mo->name, "bgezal", 6) == 0))
> +	    set_insn_error (0, _("a source register must not be $31"));

"the source register" sounds better than "a source register".

OK with that change, thanks.

Richard