From patchwork Fri Oct 29 08:58:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Chang X-Patchwork-Id: 1547957 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=sifive.com header.i=@sifive.com header.a=rsa-sha256 header.s=google header.b=VJz+zVmx; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4Hgcwb4jWzz9sRN for ; Fri, 29 Oct 2021 20:45:02 +1100 (AEDT) Received: from localhost ([::1]:40138 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mgORW-0003a9-LC for incoming@patchwork.ozlabs.org; Fri, 29 Oct 2021 05:44:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35240) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mgNls-0006G7-SI for qemu-devel@nongnu.org; Fri, 29 Oct 2021 05:01:58 -0400 Received: from mail-pl1-x62b.google.com ([2607:f8b0:4864:20::62b]:47090) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mgNlq-00067F-Em for qemu-devel@nongnu.org; Fri, 29 Oct 2021 05:01:56 -0400 Received: by mail-pl1-x62b.google.com with SMTP id p18so3109837plf.13 for ; Fri, 29 Oct 2021 02:01:54 -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 :mime-version:content-transfer-encoding; bh=e1milFWRlxmjHs2wPWKUhveKm7jJqNElG1gH3QnTU80=; b=VJz+zVmxxtCeZ8hfJlhiGkWmgT4lpXFoErIGpr90d3YpV+0VcjlzpwOi5fMBSCqs7s 5XxempI0IaOdP7TGKpqZz7qPiBWkGxR8ay+8JkRsqGHMifvo++l3dA3OZrh6QcUFiJcG vyeey8TJMcsTiDyzlOPpeQl1SaB17UckItaGjtouUnFbimCNcfUzaMRivtQBme1F13+M r1O2hQOnpSjP2l4SQM38pv2vr6SDxSp2mYBf7f1/bIpzlVGKhPxmZDxUVuukIEpSdvAd aKujD0zEiV92e3GBDNOjP3ZjJQCkAn4hxCqwnorXDR877sSw4fUVY71ZAW16S08ZZH6j 1O4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=e1milFWRlxmjHs2wPWKUhveKm7jJqNElG1gH3QnTU80=; b=j+GnpbDHidkIXEIUZsayRDq1vELeQVNQUWsZslSLDxi2s5tfeNTt+bfgskaAYYUtSG zslvSCsbRJm3sp5Zm0NWufjSK7TUzeftWPH4T5fYPNMaAVNoMeHxMah9eoc0ovMTOPiy UOqTj/HyIwrmnMuvtQ4N4PjbSmad63YuhFKxINo/lfKwOO6ph+Aqx7Dga0tnZp08S87F abr9556yQ/oIbk3KuK07lG4nzlz3Oko8nrYkOKi+GSsleysVEijjfHwSi4OiPtRi78aO w9mkiG5zpdeL63BG6DMZFnlX9NQu3TzM0LdTknG0p2vfC0NlGPIRTsapsLX0/xn6Phv7 xRJQ== X-Gm-Message-State: AOAM531j2iCa58D3tHNoGLAHPYm5H6p4IqI/IObD1VU50my448NRhfGl S/ac2fsu7saE7GKOY1iylZtLfYpQwvvtBtof X-Google-Smtp-Source: ABdhPJzrwiKfO7CgKq/Vi4Tcxl+cvJivycKZVMzX2m/iK7B9e6OzWTn/5FrSFEE8t8OAQ2HfcxnDJg== X-Received: by 2002:a17:90b:1c09:: with SMTP id oc9mr18257736pjb.33.1635498113161; Fri, 29 Oct 2021 02:01:53 -0700 (PDT) Received: from localhost.localdomain ([2402:7500:46b:ce55:983b:6962:38ac:e1b9]) by smtp.gmail.com with ESMTPSA id t13sm5081477pgn.94.2021.10.29.02.01.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Oct 2021 02:01:52 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org Subject: [PATCH v9 37/76] target/riscv: rvv-1.0: floating-point move instruction Date: Fri, 29 Oct 2021 16:58:42 +0800 Message-Id: <20211029085922.255197-38-frank.chang@sifive.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211029085922.255197-1-frank.chang@sifive.com> References: <20211029085922.255197-1-frank.chang@sifive.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=frank.chang@sifive.com; helo=mail-pl1-x62b.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=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: qemu-riscv@nongnu.org, Frank Chang , Bin Meng , Richard Henderson , Alistair Francis , Palmer Dabbelt , LIU Zhiwei Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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_trans/trans_rvv.c.inc index c250943dde8..2c8002af543 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -2461,9 +2461,15 @@ 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 = 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; @@ -2477,15 +2483,21 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f *a) TCGLabel *over = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); + t1 = tcg_temp_new_i64(); + /* NaN-box f[rs1] */ + do_nanbox(s, t1, cpu_fpr[a->rs1]); + dest = tcg_temp_new_ptr(); desc = tcg_constant_i32(simd_desc(s->vlen / 8, 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); tcg_temp_free_ptr(dest); mark_vs_dirty(s); gen_set_label(over); } + tcg_temp_free_i64(t1); return true; } return false;