Re: [Valgrind-developers] Vgdb sometimes shows unexpected values for vector registers

[Mineeva, T. A <tat...@in...>]

Ivo,
Thank you, it resolved the issue.


-----Original Message-----
From: Ivo Raisr [mailto:iv...@iv...] 
Sent: Tuesday, December 5, 2017 5:28 PM
To: Mineeva, Tatyana A <tat...@in...>
Cc: phi...@sk...; val...@li...
Subject: Re: [Valgrind-developers] Vgdb sometimes shows unexpected values for vector registers

2017-12-05 15:16 GMT+01:00 Mineeva, Tatyana A <tat...@in...>:
> Hello Philippe,
>
> (Sorry for a duplicate mail, the first one got rejected by the mailing 
> list).
>
>
>
> I have got an issue with vgdb: sometimes, it seems to show the values 
> of vector registers incorrectly.
>
>
>
> Please find a small reproducer (vgdb_ymm_test.c) attached. The 
> reproducer loads the data into register, sums it up with itself, and 
> stores the result back to memory.
>
> Steps I did to reproduce the issue:
>
> -        Compile the reproducer with flags “-O0 -g”
>
> -        Run the reproducer under vgdb (valgrind --tool=none --vgdb=yes
> --vgdb-error=0 ./a.out); from another shell, start gdb and attach to 
> vgdb (target remote | vgdb)


Please re-run with '--vgdb=full' instead of '--vgdb=yes'.
See http://valgrind.org/docs/manual/manual-core-adv.html#manual-core-adv.gdbserver-limitations

I.

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