From patchwork Fri Dec 10 07:56:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Chang X-Patchwork-Id: 1566347 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=FwApuEMI; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=permerror (SPF Permanent Error: redirect domain has no SPF record: gnu.org) 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 4J9PN663W9z9sCD for ; Fri, 10 Dec 2021 19:34:46 +1100 (AEDT) Received: from localhost ([::1]:49766 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mvbMa-0005ba-MN for incoming@patchwork.ozlabs.org; Fri, 10 Dec 2021 03:34:44 -0500 Received: from eggs.gnu.org ([209.51.188.92]:33024) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mvaoK-0006N7-6h for qemu-devel@nongnu.org; Fri, 10 Dec 2021 02:59:21 -0500 Received: from [2607:f8b0:4864:20::436] (port=42792 helo=mail-pf1-x436.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mvaoB-0006vw-SL for qemu-devel@nongnu.org; Fri, 10 Dec 2021 02:59:17 -0500 Received: by mail-pf1-x436.google.com with SMTP id u80so7755193pfc.9 for ; Thu, 09 Dec 2021 23:59:09 -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 :mime-version:content-transfer-encoding; bh=P+No8Hh3sFX3VAKdhZkr4N+fI/QEs3skLRPgC7AhekM=; b=FwApuEMIF3V74363L83qaWiA5TOlKlz2FpF81U5jD6zbRPQLOSvRcZOrVWKsDZHiSm p14XFGeCIw6/JRB15aTN4/ce/E704f/AkySmUtvbFHRh0nWqEW6ANFC1sIfQ8lixbpNz fuAr4v6Rj5x5Skx/yKGHal/vDJ+swqowrV/VHq9WJxL42T9qES6mDCDfHVtWDUjRLCH3 gkdRdcwjvoUCClNdI+baunw2QokNXzxxPHrPZBMyOSlcimQ1zHdsnBP+4FUS0E2VdpqE 2PNkTCRLTtpLPSo/V9w1dvPiDle0CAC4R+fgQLeQLC7PAwViN2V+lDkzogKa/dVJ3aYO GeEQ== 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=P+No8Hh3sFX3VAKdhZkr4N+fI/QEs3skLRPgC7AhekM=; b=BWM2+r8wora5vFbNIMwDQQNZV75aqC28+MFU8yK1N+U5gpKN+SFqfX4oTg0k4Unt2o wc8w4HuaLldkCqsT67c47BfwVQgdjOjtnER9KXyEy+tPDjIzKYyJDajablCTwEdjI5Un Qy8gzKo1fipZpkxrGLLrTfDLLYZ7QNxrJu0wVFSsS+eHfiegPmiU1CpPsg64UyFQTvyf M+PV8IPeZJUxcFYhjtnnqD4JlTNB7H4FuMqoec3wt4m9M/lDEyorAx1Zw/zSHTCMXqMU W3wjuAFV5PKUf/FAMH21ND6FouKAAa+nOekJOS7F224Q7BfR33Ax2E+Jqh0sOjbvSriz 6o0w== X-Gm-Message-State: AOAM531lrFW3iwgDvIS9LEEqc4++HE/7ub/VtaVYQ5qXYKol5CJI8vtM JG2SB3IXvQk3JqeZkdZ1HTAMFraacnhGtpMC X-Google-Smtp-Source: ABdhPJyntpLSG3+QgG2G+Vv+2v4+tbyu5nRXIx9NNKA4jK5kioefAf1jVZh5MjZ7ykqZemCmGDMJUQ== X-Received: by 2002:a62:380f:0:b0:4b0:da80:2dac with SMTP id f15-20020a62380f000000b004b0da802dacmr5381717pfa.66.1639123148384; Thu, 09 Dec 2021 23:59:08 -0800 (PST) Received: from hsinchu16.internal.sifive.com (59-124-168-89.hinet-ip.hinet.net. [59.124.168.89]) by smtp.gmail.com with ESMTPSA id f4sm2087955pfg.34.2021.12.09.23.59.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Dec 2021 23:59:08 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org Subject: [PATCH v11 37/77] target/riscv: rvv-1.0: floating-point move instruction Date: Fri, 10 Dec 2021 15:56:23 +0800 Message-Id: <20211210075704.23951-38-frank.chang@sifive.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211210075704.23951-1-frank.chang@sifive.com> References: <20211210075704.23951-1-frank.chang@sifive.com> MIME-Version: 1.0 X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::436 (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::436; envelope-from=frank.chang@sifive.com; helo=mail-pf1-x436.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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 c250943dde..2c8002af54 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;