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Re: GAS/ia64: spurious dv conflict
Richard Henderson <rth@redhat.com> writes:
> 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.
I don't understand. What do r1/r2 have to do with mutexes?
Andreas.
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Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 Nürnberg
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