RFR JDK-8141491: Unaligned memory access in Bits.c

Alexander Smundak asmundak at google.com
Mon Nov 30 18:13:26 UTC 2015

On Wed, Nov 25, 2015 at 2:52 PM,  <hotspot-dev-request at openjdk.java.net> wrote:
> Have you looked anything at the performance of the generated code?
No. I looked at the emitted code, saw 'MOVQDU' instruction being used
(it was 'MOVQDA' before that resulted in alignment error), and concluded
 that the compiler knows what it's doing :-)
> It would be interesting to understand what type of performance you see with
> your patch.
If you have specific benchmark in mind, I am willing to run it.


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