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That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chih-Min Chao Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The spec is a draft but required by vector extension. The reference is availabe at https://github.com/riscv/riscv-isa-manual/tree/zfh The patch depends two unmerged patch set 1. extend softfloat to support int8 and alternative NaN probagapation 2. NaNBox fix Based-on: <1596102747-20226-1-git-send-email-chihmin.chao@sifive.com> Based-on: <20200724002807.441147-1-richard.henderson@linaro.org> Chih-Min Chao (2): target/riscv: add NaN-Boxing helper for half-float target/riscv: support 'x-k' in cpu option Kito Cheng (1): target/riscv: Implement zfh extension target/riscv/cpu.c | 4 + target/riscv/cpu.h | 2 + target/riscv/fpu_helper.c | 180 ++++++++++ target/riscv/helper.h | 34 ++ target/riscv/insn32-64.decode | 6 + target/riscv/insn32.decode | 32 ++ target/riscv/insn_trans/trans_rvzfh.inc.c | 531 ++++++++++++++++++++++++++++++ target/riscv/internals.h | 16 + target/riscv/translate.c | 16 + 9 files changed, 821 insertions(+) create mode 100644 target/riscv/insn_trans/trans_rvzfh.inc.c