Re: [PATCH] TX49 MFC0 bug workaround

["Maciej W. Rozycki" <macro@xxxxxxxxxxxxxx>]

On Fri, 3 Feb 2006, Atsushi Nemoto wrote:

> Workaround: mask EXL bit of the result or place a nop before mfc0.
[...]
> @@ -55,8 +56,13 @@ __asm__ (
>  	"	di							\n"
>  #else
>  	"	mfc0	$1,$12						\n"
> +#if TX49XX_MFC0_WAR && defined(MODULE)
> +	"	ori	$1,3						\n"
> +	"	xori	$1,3						\n"
> +#else
>  	"	ori	$1,1						\n"
>  	"	xori	$1,1						\n"
> +#endif
>  	"	.set	noreorder					\n"
>  	"	mtc0	$1,$12						\n"
>  #endif

 Hmm, wouldn't that "nop" alternative be simpler?

  Maciej