RFR(XS): 7902477: JMH perfasm fails with lastest JDK 13

Aleksey Shipilev shade at redhat.com
Fri Nov 1 09:35:39 UTC 2019


Hi again,

On 11/1/19 2:58 AM, Nick Gasson wrote:
> - - - [BEGIN] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> StubRoutines::updateBytesCRC32 [0x0000ffff6c819700, 0x0000ffff6c819870] (368 bytes)
> --------------------------------------------------------------------------------
>   0x0000ffff6c819700:   stp     x29, x30, [sp, #-16]!
>   0x0000ffff6c819704:   mov     x29, sp
>   0x0000ffff6c819708:   mvn     w0, w0
>   0x0000ffff6c81970c:   subs    x2, x2, #0x80

Thanks for the example, I added it as the comment into the patch.


> Unless I'm missing something the patch doesn't add an additional capture group. It changes the
> previous initial capture group (.+) to (\\S.*) and anchors it to the start of the line. Because
> otherwise it will match like this:

Ah, sorry, I misread the patch! You're right, the capture group structure is unaffected.

Pushed.

-- 
Thanks,
-Aleksey



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