git: openjdk/jdk17u-dev: 8309254: Implement fast-path for ASCII-compatible CharsetEncoders on RISC-V

[Fei Yang]

Changeset: 0fa04fe5
Author:    Dingli Zhang <dzhang at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
Date:      2023-08-20 07:05:33 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/0fa04fe58414a278666669662845553c7bda4e1e

8309254: Implement fast-path for ASCII-compatible CharsetEncoders on RISC-V

Reviewed-by: fyang
Backport-of: 61bb014a8692305c705a4cf0361e319275c35ca3

! src/hotspot/cpu/riscv/c2_MacroAssembler_riscv.cpp
! src/hotspot/cpu/riscv/c2_MacroAssembler_riscv.hpp
! src/hotspot/cpu/riscv/matcher_riscv.hpp
! src/hotspot/cpu/riscv/riscv_v.ad