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[123.193.74.252]) by smtp.gmail.com with ESMTPSA id z13sm4271680pfq.130.2021.10.15.00.50.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Oct 2021 00:50:02 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v8 54/78] target/riscv: rvv-1.0: widening floating-point reduction instructions Date: Fri, 15 Oct 2021 15:46:02 +0800 Message-Id: <20211015074627.3957162-62-frank.chang@sifive.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211015074627.3957162-1-frank.chang@sifive.com> References: <20211015074627.3957162-1-frank.chang@sifive.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62e; envelope-from=frank.chang@sifive.com; helo=mail-pl1-x62e.google.com 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 autolearn=ham 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: Frank Chang , Palmer Dabbelt , Alistair Francis , Bin Meng , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Frank Chang Signed-off-by: Frank Chang Reviewed-by: Richard Henderson --- target/riscv/insn_trans/trans_rvv.c.inc | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc index 0c171a25930..a30da823d25 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -2647,7 +2647,14 @@ GEN_OPFVV_TRANS(vfredmax_vs, freduction_check) GEN_OPFVV_TRANS(vfredmin_vs, freduction_check) /* Vector Widening Floating-Point Reduction Instructions */ -GEN_OPFVV_WIDEN_TRANS(vfwredsum_vs, reduction_check) +static bool freduction_widen_check(DisasContext *s, arg_rmrr *a) +{ + return reduction_widen_check(s, a) && + require_scale_rvf(s) && + (s->sew != MO_8); +} + +GEN_OPFVV_WIDEN_TRANS(vfwredsum_vs, freduction_widen_check) /* *** Vector Mask Operations