[8] RFR: Save vector registers before LRB slowpath call

Aleksey Shipilev shade at redhat.com
Thu Oct 24 16:45:08 UTC 2019


On 10/24/19 6:38 PM, Roman Kennke wrote:
> Have you checked aarch64?

aarch64 seems to call (push|pop)_call_clobbered_registers, which includes FPU registers.
Not sure it saves the vector registers, though.

However, back to x86, I see that this one:
  https://bugs.openjdk.java.net/browse/JDK-8229977

...also saves FPU state. Do we have to do the same here?

-- 
Thanks,
-Aleksey



More information about the shenandoah-dev mailing list