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Re: GAS/ia64: spurious dv conflict
- From: Richard Henderson <rth at redhat dot com>
- To: Andreas Schwab <schwab at suse dot de>
- Cc: binutils at sources dot redhat dot com
- Date: Wed, 1 Oct 2003 09:35:51 -0700
- Subject: Re: GAS/ia64: spurious dv conflict
- References: <jed6dh9kci.fsf@sykes.suse.de>
On Wed, Oct 01, 2003 at 03:08:13PM +0200, Andreas Schwab wrote:
> The following input when assembled with -x gives a spurious dependency
> warning:
>
> .text
> start:
> .pred.rel.mutex p1, p2
> (p3) cmp.eq p1, p2 = r1, r2;;
> (p1) mov r4 = 2
> (p2) mov r4 = 4
> rfi
You need to test that
(p3) cmp.eq p1, p0 = r1, r2
*does* warn, since there's no longer a mutex relation between r1,r2.
It doesn't seem that your patch does that.
r~