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Re: Fix some SSE2/x86_64 instruction patterns
- From: Jan Hubicka <jh at suse dot cz>
- To: Jan Hubicka <jh at suse dot cz>, binutils at sources dot redhat dot com, patches at x86-64 dot org
- Date: Thu, 7 Feb 2002 15:05:16 +0100
- Subject: Re: Fix some SSE2/x86_64 instruction patterns
- References: <20020125195907.GG17305@atrey.karlin.mff.cuni.cz> <20020129053836.GB16187@bubble.sa.bigpond.net.au>
> 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