git: openjdk/jdk17u-dev: 8274795: AArch64: avoid spilling and restoring r18 in macro assembler

[Vladimir Kempik]

Changeset: 5287dae7
Author:    Bernhard Urban-Forster <burban at openjdk.org>
Committer: Vladimir Kempik <vkempik at openjdk.org>
Date:      2021-12-28 12:27:24 +0000
URL:       https://git.openjdk.java.net/jdk17u-dev/commit/5287dae7457c753c7b8c447356d8ff3249657397

8274795: AArch64: avoid spilling and restoring r18 in macro assembler

Reviewed-by: aph
Backport-of: ede3f4e94c752a8457b7c24e001bd122845d2f6a

! src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
! src/hotspot/cpu/aarch64/macroAssembler_aarch64.hpp
! src/hotspot/cpu/aarch64/templateInterpreterGenerator_aarch64.cpp