From nobody Wed Feb 11 03:08:10 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1529546372953676.2353349422515; Wed, 20 Jun 2018 18:59:32 -0700 (PDT) Received: from localhost ([::1]:52500 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fVosl-0007pR-Mt for importer@patchew.org; Wed, 20 Jun 2018 21:59:31 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39146) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fVonf-0003zF-GI for qemu-devel@nongnu.org; Wed, 20 Jun 2018 21:54:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fVone-0002yc-JI for qemu-devel@nongnu.org; Wed, 20 Jun 2018 21:54:15 -0400 Received: from mail-pf0-x234.google.com ([2607:f8b0:400e:c00::234]:41725) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fVone-0002xp-DW for qemu-devel@nongnu.org; Wed, 20 Jun 2018 21:54:14 -0400 Received: by mail-pf0-x234.google.com with SMTP id a11-v6so683565pff.8 for ; Wed, 20 Jun 2018 18:54:14 -0700 (PDT) Received: from cloudburst.twiddle.net (mta-98-147-121-51.hawaii.rr.com. [98.147.121.51]) by smtp.gmail.com with ESMTPSA id a27-v6sm6187946pfc.18.2018.06.20.18.54.11 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 20 Jun 2018 18:54:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=MIKKw3KUuErnHai2QdqLnnCjJ3TTAEPOo7LFHNMeMjQ=; b=Exx/AZ1ezbHNXloM/rQKKAhGXVwwQbf8w2RLsNmYkRhuRm8qZqCGQoMUAf79ON8ENG bGLPAU/03nPbDkNRZV36TiFuMDMPdbn+WCrpFT5ws3+K/dczqnCtikNctVftzc9EWEa7 rZVxD7oe1Y8Nce56ZGSO76UM+iSTiDYQB+MDM= 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=MIKKw3KUuErnHai2QdqLnnCjJ3TTAEPOo7LFHNMeMjQ=; b=oz+8SNvtaV4nTqMaWDYjgAx4jFkkVatTbzhr/ikEMTLhXTGf6oc0+ew0X1eV76WgbN GPd/QN3VB+lQNsvSDLanJCC1fgppqUtHRKxQrX2Yay4ICmb+OUTdnr0vxh2KKwW/gSeb lEHvYjItiGRZiTAslrV90Rar3plbHe8ZNYFx7GBaxVrvQHwMLu4wfsa4d9z2c91Z9cvG TcQ4Mk2sPtGjLHqDTdqTNLtHP2ZC0degpYQoE6CjZxqPSpmEWrk4KK7f33dotbuaFrDu U21Q2AOEtBj4ZlEGtpxbqiReGzypmH/jdo7molBq6SjluV9Ka7EOlrJL722kEMoI6h2J lbZA== X-Gm-Message-State: APt69E35P5dg4tm3OQGIrJbXgPeVbfATKpT6ovjlhY3F2rqlYzM7FopB 1f5uMCalljPe+JEDzVbk/H/keIc4ZUc= X-Google-Smtp-Source: ADUXVKLY4kZ2MDuTuOQ84T0fbVfID3XfPFlC5aTK341vd+KGHr712hdX/VN/0yh0pybqaLyLL1QaFQ== X-Received: by 2002:a62:4556:: with SMTP id s83-v6mr25352737pfa.73.1529546053055; Wed, 20 Jun 2018 18:54:13 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Wed, 20 Jun 2018 15:53:28 -1000 Message-Id: <20180621015359.12018-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180621015359.12018-1-richard.henderson@linaro.org> References: <20180621015359.12018-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c00::234 Subject: [Qemu-devel] [PATCH v5 04/35] target/arm: Implement SVE load and broadcast quadword X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e Reviewed-by: Peter Maydell --- target/arm/translate-sve.c | 52 ++++++++++++++++++++++++++++++++++++++ target/arm/sve.decode | 9 +++++++ 2 files changed, 61 insertions(+) diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index b25fe96b77..83de87ee0e 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -3717,6 +3717,58 @@ static bool trans_LDNF1_zpri(DisasContext *s, arg_rp= ri_load *a, uint32_t insn) return true; } =20 +static void do_ldrq(DisasContext *s, int zt, int pg, TCGv_i64 addr, int ms= z) +{ + static gen_helper_gvec_mem * const fns[4] =3D { + gen_helper_sve_ld1bb_r, gen_helper_sve_ld1hh_r, + gen_helper_sve_ld1ss_r, gen_helper_sve_ld1dd_r, + }; + unsigned vsz =3D vec_full_reg_size(s); + TCGv_ptr t_pg; + TCGv_i32 desc; + + /* Load the first quadword using the normal predicated load helpers. = */ + desc =3D tcg_const_i32(simd_desc(16, 16, zt)); + t_pg =3D tcg_temp_new_ptr(); + + tcg_gen_addi_ptr(t_pg, cpu_env, pred_full_reg_offset(s, pg)); + fns[msz](cpu_env, t_pg, addr, desc); + + tcg_temp_free_ptr(t_pg); + tcg_temp_free_i32(desc); + + /* Replicate that first quadword. */ + if (vsz > 16) { + unsigned dofs =3D vec_full_reg_offset(s, zt); + tcg_gen_gvec_dup_mem(4, dofs + 16, dofs, vsz - 16, vsz - 16); + } +} + +static bool trans_LD1RQ_zprr(DisasContext *s, arg_rprr_load *a, uint32_t i= nsn) +{ + if (a->rm =3D=3D 31) { + return false; + } + if (sve_access_check(s)) { + int msz =3D dtype_msz(a->dtype); + TCGv_i64 addr =3D new_tmp_a64(s); + tcg_gen_shli_i64(addr, cpu_reg(s, a->rm), msz); + tcg_gen_add_i64(addr, addr, cpu_reg_sp(s, a->rn)); + do_ldrq(s, a->rd, a->pg, addr, msz); + } + return true; +} + +static bool trans_LD1RQ_zpri(DisasContext *s, arg_rpri_load *a, uint32_t i= nsn) +{ + if (sve_access_check(s)) { + TCGv_i64 addr =3D new_tmp_a64(s); + tcg_gen_addi_i64(addr, cpu_reg_sp(s, a->rn), a->imm * 16); + do_ldrq(s, a->rd, a->pg, addr, dtype_msz(a->dtype)); + } + return true; +} + static void do_st_zpa(DisasContext *s, int zt, int pg, TCGv_i64 addr, int msz, int esz, int nreg) { diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 6e159faaec..606c4f623c 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -715,6 +715,15 @@ LD_zprr 1010010 .. nreg:2 ..... 110 ... ..... = ..... @rprr_load_msz # LD2B, LD2H, LD2W, LD2D; etc. LD_zpri 1010010 .. nreg:2 0.... 111 ... ..... ..... @rpri_load= _msz =20 +# SVE load and broadcast quadword (scalar plus scalar) +LD1RQ_zprr 1010010 .. 00 ..... 000 ... ..... ..... \ + @rprr_load_msz nreg=3D0 + +# SVE load and broadcast quadword (scalar plus immediate) +# LD1RQB, LD1RQH, LD1RQS, LD1RQD +LD1RQ_zpri 1010010 .. 00 0.... 001 ... ..... ..... \ + @rpri_load_msz nreg=3D0 + ### SVE Memory Store Group =20 # SVE contiguous store (scalar plus immediate) --=20 2.17.1