git: openjdk/jdk: 8317971: RISC-V: implement copySignF/D and signumF/D intrinsics

[Vladimir Kempik]

Changeset: 5a97411f
Author:    Ilya Gavrilin <igavrilin at openjdk.org>
Committer: Vladimir Kempik <vkempik at openjdk.org>
Date:      2023-10-20 14:31:41 +0000
URL:       https://git.openjdk.org/jdk/commit/5a97411f857b0bc9e70b417efa76a5fd5f887fe0

8317971: RISC-V: implement copySignF/D and signumF/D intrinsics

Reviewed-by: fyang, vkempik

! src/hotspot/cpu/riscv/c2_MacroAssembler_riscv.cpp
! src/hotspot/cpu/riscv/c2_MacroAssembler_riscv.hpp
! src/hotspot/cpu/riscv/riscv.ad
! src/hotspot/cpu/riscv/vm_version_riscv.cpp
! test/micro/org/openjdk/bench/java/lang/MathBench.java