Blair,
You should be able to do this using Dyninst. Could I see the code you're
trying to use for this analysis?
-- John
On 09/27/2016 04:52 AM, Blair Archibald wrote:
Hi everyone,
I'm looking to do some analysis on (AVX) vectorised values stored in
XMM/YMM. Is it possible to access the individual packed floats within
these registers?
I've tried using BPatch_registerExpr to get the register I care about
but I'm stuck trying to access the values. I thought something like
*(regVal + 1) might work to get the second float but I've had no luck
so far.
As an aside: I don't think YMM is configured correctly in the
registerSpace and I had to manually add it to initialise64().
Any ideas if this is possible/how to do it?
Many thanks,
Blair
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