git: openjdk/jdk17u-dev: 8280511: AArch64: Combine shift and negate to a single instruction

Wed Oct 5 21:10:49 UTC 2022

Changeset: 0657a3ab
Author:    Dmitry Chuyko <dchuyko at openjdk.org>
Committer: Paul Hohensee <phh at openjdk.org>
Date:      2022-10-05 21:08:16 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/0657a3abe71e130561e127e075d0adc3578c822e

8280511: AArch64: Combine shift and negate to a single instruction

Backport-of: e572a525f55259402a21822c4045ba5cd4726d07

! src/hotspot/cpu/aarch64/aarch64.ad
! src/hotspot/cpu/aarch64/aarch64_ad.m4
! test/hotspot/jtreg/compiler/codegen/ShiftTest.java