[patch] Add fido support (Part 5/n)

[Andreas Schwab]

Kazu Hirata <kazu@codesourcery.com> writes:

> gas/
> 2006-12-25  Kazu Hirata  <kazu@codesourcery.com>
>
> 	* config/tc-m68k.c (m68k_ip): Do something.

That needs to be a bit more descriptive. :-)

> Index: gas/config/tc-m68k.c
> ===================================================================
> RCS file: /cvs/src/src/gas/config/tc-m68k.c,v
> retrieving revision 1.80
> diff -u -d -p -r1.80 tc-m68k.c
> --- gas/config/tc-m68k.c	25 Dec 2006 22:39:21 -0000	1.80
> +++ gas/config/tc-m68k.c	25 Dec 2006 22:40:19 -0000
> @@ -1134,6 +1134,21 @@ m68k_ip (char *instring)
>    opcode = (const struct m68k_incant *) hash_find (op_hash, instring);
>    *p = c;
>  
> +  /* Fido does not support certain instructions.  Warn about uses
> +     of those instructions.  */
> +  if ((cpu_of_arch (current_architecture) & fido_a) != 0)
> +    {
> +      /* Recognize tbl[su]{n,}[bwl].  */
> +      if (strncmp (instring, "tbl", 3) == 0
> +	  && (instring[3] == 's' || instring[3] == 'u')
> +	  && ((strchr ("bwl", instring[4]) != 0
> +	       && instring[5] == '\0')
> +	      || (instring[4] == 'n'
> +		  && strchr ("bwl", instring[5]) != 0
> +		  && instring[6] == '\0')))
> +	as_warn (_("'%s' not supported on Fido"), instring);
> +    }
> +

IMHO it would be better to fix the opcode table so that the unsupported
insns don't match in the first place.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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"And now for something completely different."