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[114.34.229.221]) by smtp.gmail.com with ESMTPSA id p11sm7083709pjb.31.2021.02.25.19.22.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Feb 2021 19:22:28 -0800 (PST) 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=FlPpAl/QVv1RaMjUle4PW0KgGbPoJfejo1FqGxGA4MA=; b=GAkkt5DUgKzu28wjDvXMDl717tp5leyVToP1zRHGMELhleiCRhEslZ50aTDNrn3kzI 97w/XA4xqn36ePfcGecerhEKtr/xPROtEjMtHDneB1h83hSRW2+hvlZxsHRvKV5Mij7c IUWxXPPW1HYeWhhARcgSqOfd4m6eEYOkZxNWVPDL0UeCQUKaBry14m+mo+4lzGM6Mq9U bLmHVppZ0kQ9FOwDsBXPT0S7GYDPZXWUydfA+PTo1j3lYm66hgM+Y65xYkAfMQvcXFtQ dmJ/67kGJDLhONsvKTlVqYpb50ZFiQEDPkn74N6v45cN5mEnBI2ji9GKNHXW/zRySWj1 JMjQ== 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=FlPpAl/QVv1RaMjUle4PW0KgGbPoJfejo1FqGxGA4MA=; b=mQQ1uYZqGKQBLbQOKdf0b3lXnx1s5NnVqj9jv5zrIGlUQ9yer4Wo61PvpIGoPmjZoS pLU+saYaR5iTrQtfYZAz2k2b4XAvuyhBr8o2xMfM+4rXujvnf5QWW11D0LoOxRCcfr31 ujYy261E89pgRcP/fnLkak3J6L6TU55nWYifl4BPgGjjivwBBC5+fED06s91cB+EYDLa wP/Y3RplOQFrdW8WAq57xo5Z9zGqKlg0kFcpICmn4uvzNcDq4sa0cBgaSRwC4W4QxJYa Qe5ryD3BnwDF+hMRj9xcUgG4QxFETmzPaKhVdRERpUyVksMXzZ7UPkcEiNFIOOf++adi X/kA== X-Gm-Message-State: AOAM532CcVWSXEOP/IPQVBOJqXgceXDi53o6WLlgKkTjTLtBogYLrmPl bAPEQjj1I/GQqEiOxobzQds44BxAsn6/fA== X-Google-Smtp-Source: ABdhPJxBTDlmpYknu5+FGqxcq8hcfailBbiE0Xfnn7MYBn5HZW1mxCne+uBxiu2ht38c0t5igE6EbQ== X-Received: by 2002:a05:6a00:2ac:b029:1e9:3cb7:324a with SMTP id q12-20020a056a0002acb02901e93cb7324amr1188380pfs.36.1614309749236; Thu, 25 Feb 2021 19:22:29 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v7 36/75] target/riscv: rvv-1.0: floating-point move instruction Date: Fri, 26 Feb 2021 11:18:20 +0800 Message-Id: <20210226031902.23656-37-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210226031902.23656-1-frank.chang@sifive.com> References: <20210226031902.23656-1-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::52a; envelope-from=frank.chang@sifive.com; helo=mail-pg1-x52a.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: Sagar Karandikar , Frank Chang , Bastian Koppelmann , Richard Henderson , Alistair Francis , Palmer Dabbelt , LIU Zhiwei 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 Reviewed-by: Alistair Francis --- target/riscv/insn_trans/trans_rvv.c.inc | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_tr= ans/trans_rvv.c.inc index 1839fc0a56b..7ac7d6a2b92 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -2691,9 +2691,15 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv= _v_f *a) require_rvf(s) && vext_check_isa_ill(s) && require_align(a->rd, s->lmul)) { + TCGv_i64 t1; + if (s->vl_eq_vlmax) { + t1 =3D tcg_temp_new_i64(); + /* NaN-box f[rs1] */ + do_nanbox(s, t1, cpu_fpr[a->rs1]); + 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; @@ -2707,16 +2713,22 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfm= v_v_f *a) TCGLabel *over =3D gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); =20 + t1 =3D tcg_temp_new_i64(); + /* NaN-box f[rs1] */ + do_nanbox(s, t1, cpu_fpr[a->rs1]); + 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