Fix some SSE2/x86_64 instruction patterns

[Jan Hubicka]

> On Fri, Jan 25, 2002 at 08:59:07PM +0100, Jan Hubicka wrote:
> > 
> > 	* sse2.s (cvtps2dq, movdq2q, movq2dq): Correct operand types.
> > 	* i386.h:
> [snip]
> > 	(cvtps2dq, movdq2q, movq2dq): Correct operand ordering.
> 
> According to the Intel manual, these were correct.  Please triple
> check.
! 	cvtps2dq	%xmm0, %mm1
! 	movdq2q		%mm0, %xmm1
! 	movq2dq		%xmm0, %mm1

Hmm, I see, the Intel manual claims the opposite.
Is the patch OK w/o these three chagnes?  I will re-check what exactly
going on here.

Honza