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[114.34.229.221]) by smtp.gmail.com with ESMTPSA id d9sm16478588pgv.45.2020.08.17.01.51.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Aug 2020 01:51:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=TLFoCDPeQcW7A+mBd93r9Pik+AUdqCFF5a8qm7ybiZg=; b=I00Wkwfk3Yw5W74E3BukTEbiqZ6xkNXG6J6rBx1jUZ/DKMX3Z0aIVtl6M9DPUFq7wx wPcHr/ekhsaYC1yWDC6Xu1k+wL9M1vBDEU2IIv5+HOPNonQ0/7Iucv5K7IWOmUSl1Hcg extYcn0qmn43Hk32VrH8dfZTUo6w7vkQj9GWgUZnE+tuQmitAxr3Gl+BybQGQL2lldeI Uq14uB0uL5VPhBNBfJLOu6VNsNZOkOW8G/0zCVeOmyPryzwZgrXg9UB42MOkYYwxHF4r O6ocqMpmzT44cMG5SeoPEelvVtgXpTa8/NxDkrpbFhqfD1TiBhqZesRJE3HFMGwICtXN YieQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=TLFoCDPeQcW7A+mBd93r9Pik+AUdqCFF5a8qm7ybiZg=; b=WcLgAER4OlO5ZlbMi3IqNCF19+uZgQ/IWfd7S0pv8fMIMuPIgAFLb2sauM7BWc0VcN Yr00OuzNByMRpXJbYdai7XykR3tfVwg2EVx7wIzIfxJmnGliRZbUrbX1HlGJtwk6XjdG 6qEe6lvkuKRLCeDaVS4tBVMa68obbYNUwHpY4oQNAiBic7pdB6+xq8AJfWAbj7AEnpar b9Mf9NfsUTyW443perrZwxFi9QZT6HG53miqKTol467EXgqICNrHNwVSxeC/DzpJOG2W NKJZSDqJYtLOo6u5gU9IPF0w/u3vkw4gOzBvUcmyIMJZdVlQNr1SWC4vYWG4OtaSFxmk kJ0g== X-Gm-Message-State: AOAM531q8aTF1W/iTBRt4RZnainaBB5M0HHTZLPud01lZi+XXpALa6kq nfukxgEiH45je5TMyOBox5jxDtA5Oe5J4Q== X-Google-Smtp-Source: ABdhPJzRWb8q9HZD+EuF6AhQOWgCWq9cslqs8sg7W7koUqdnHhi5WkQxlE6gzSB2nM9Espw/QFFDqw== X-Received: by 2002:a17:902:6a88:: with SMTP id n8mr10886312plk.261.1597654307322; Mon, 17 Aug 2020 01:51:47 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v4 36/70] target/riscv: rvv-1.0: floating-point move instruction Date: Mon, 17 Aug 2020 16:49:21 +0800 Message-Id: <20200817084955.28793-37-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200817084955.28793-1-frank.chang@sifive.com> References: <20200817084955.28793-1-frank.chang@sifive.com> Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::1034; envelope-from=frank.chang@sifive.com; helo=mail-pj1-x1034.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. 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: Frank Chang , Alistair Francis , Palmer Dabbelt , Sagar Karandikar , Bastian Koppelmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Frank Chang NaN-boxed the scalar floating-point register based on RVV 1.0's rules. Signed-off-by: Frank Chang --- target/riscv/insn_trans/trans_rvv.inc.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_tr= ans/trans_rvv.inc.c index 92d34be5a99..7a12b89dc13 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -2689,12 +2689,17 @@ GEN_OPFVF_TRANS(vfmerge_vfm, opfvf_check) static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f *a) { if (require_rvv(s) && + has_ext(s, RVF) && vext_check_isa_ill(s) && require_align(a->rd, 1 << s->lmul) && (s->sew !=3D 0)) { + TCGv_i64 t1 =3D tcg_temp_local_new_i64(); + /* NaN-box f[rs1] */ + do_nanbox(s, t1, cpu_fpr[a->rs1]); + if (s->vl_eq_vlmax) { tcg_gen_gvec_dup_i64(s->sew, vreg_ofs(s, a->rd), - MAXSZ(s), MAXSZ(s), cpu_fpr[a->rs1]); + MAXSZ(s), MAXSZ(s), t1); mark_vs_dirty(s); } else { TCGv_ptr dest; @@ -2711,13 +2716,15 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfm= v_v_f *a) dest =3D tcg_temp_new_ptr(); desc =3D tcg_const_i32(simd_desc(0, s->vlen / 8, data)); tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, a->rd)); - fns[s->sew - 1](dest, cpu_fpr[a->rs1], cpu_env, desc); + + fns[s->sew - 1](dest, t1, cpu_env, desc); =20 tcg_temp_free_ptr(dest); tcg_temp_free_i32(desc); mark_vs_dirty(s); gen_set_label(over); } + tcg_temp_free_i64(t1); return true; } return false; --=20 2.17.1