Integrated: 8266813: Shenandoah: Use shorter instruction sequence for checking if marking in progress

[Zhengyu Gu]

On Mon, 10 May 2021 13:21:44 GMT, Zhengyu Gu <zgu at openjdk.org> wrote:

> ShenandoahBarrierSetAssembler::generate_c1_pre_barrier_runtime_stub() on aarch64, we can replace ld, tst, br instruction sequence with a single tbz.
> 
> Test:
> - [x] hotspot_gc_shenandoah on Linux aarch64

This pull request has now been integrated.

Changeset: 9c9c47e4
Author:    Zhengyu Gu <zgu at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/9c9c47e403c6d38afd1ce89f46a1887a01964796
Stats:     3 lines in 1 file changed: 0 ins; 2 del; 1 mod

8266813: Shenandoah: Use shorter instruction sequence for checking if marking in progress

Reviewed-by: shade

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PR: https://git.openjdk.java.net/jdk/pull/3948