[aarch64-port-dev ] RFR(S): 8241911: AArch64: Fix a potential register clash issue in reduce_add2I

[Yang Zhang]

Hi 

Update the patch a little. Could you please help to review it?
http://cr.openjdk.java.net/~yzhang/8241911/webrev.01/

Test: tier1.

-----Original Message-----
From: aarch64-port-dev <aarch64-port-dev-bounces at openjdk.java.net> On Behalf Of Yang Zhang
Sent: Friday, April 3, 2020 6:49 PM
To: hotspot-compiler-dev at openjdk.java.net; aarch64-port-dev at openjdk.java.net
Cc: nd <nd at arm.com>
Subject: [aarch64-port-dev ] RFR(S): 8241911: AArch64: Fix a potential register clash issue in reduce_add2I

Hi,

Could you please help to review this patch?

In original reduce_add2I, dst may be the same as tmp2, which may get incorrect result.
Some reduction operation instruct code formats are also cleaned up.

JBS: https://bugs.openjdk.java.net/browse/JDK-8241911
Webrev: http://cr.openjdk.java.net/~yzhang/8241911/webrev.00/


Regards
Yang