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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id t8sm652421wrq.88.2020.04.30.11.10.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Apr 2020 11:10:17 -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 :mime-version:content-transfer-encoding; bh=podrIWc2Sg2T1gwDLYmZIz4NN7yExiQdpITVed1EL5o=; b=qKR+eVS9xd2Xe8Sn0TeaNcVA+4Po3Fsa+mQrf26dtaUd3CLzCGPjR+VWhEDUplgYJ0 Z/e2/Yvm2gP/kfONJa5Z41D4e8zEb0/Ah1jAUyAMESjxVzmmF7WIecZXcUddAPiAkFvJ mXHxze8CvoEvfEtCMLxo6/e3dGamfyNdTK1NR/3Ldw0X2USwMuUmOKX15Z7gIJRZswBu BTO8Us/719U7ZEIXl74w/RGZbDQUpJBAUVqywACKZ4Q1zA/UKlKWAzR85z3CuLlQSvus zW3DqsSPhZIfFP7GqmKeNbm5gRTHcSRidKZty7MXPPDazxqmUZcZB4kBJ485Igr/lx8I 91kg== 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:mime-version:content-transfer-encoding; bh=podrIWc2Sg2T1gwDLYmZIz4NN7yExiQdpITVed1EL5o=; b=mzjEfP/5o4SU3gDRpzAyY+ApYzsvK95E42Dr9p3MGdmdF6NO+roScZlh9S3pOV4oqH WwZlXRkU/8ZMFxzQEIP3NNHp8hLb6FOQtF04J7obeN1lIj+NuMgl6mrtwDwZRaFfBxl0 QpxH0w7ksmfM4dEXmIk/07Q1ASfNvwvyQjBK/oABnM0dVDs8fuqDW7V8Par9SK096rtv G1V8cp8C67WODfCZQLCG1j2lNmVdZ8CxOYLKuqo4UHj7hJyfgEKRRA0R9kRe/iUaFA38 XK7aKL3Xk8ErnI2cwTAY2OVLAZLgMdiT3+GBFZ7DZMroKEjhPPYROAy0/ERiHhhqDoQh cqnw== X-Gm-Message-State: AGi0PuYSPPGlIg8hr4idiKDbmAK0tTF34OsBaobDjx+/ubvm0jZ7Kf5Y xOisSYkWATbxIHY2U9RfS8t99w== X-Google-Smtp-Source: APiQypInHAV3/UGy/d6IIseaX5U7c3XI+bRT9fX304OSp8rTLtD86MsLFQ6+irtqMgg5Q7/qiWWcRw== X-Received: by 2002:a1c:bd8b:: with SMTP id n133mr4522363wmf.175.1588270218239; Thu, 30 Apr 2020 11:10:18 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 09/36] target/arm: Convert V[US]DOT (scalar) to decodetree Date: Thu, 30 Apr 2020 19:09:36 +0100 Message-Id: <20200430181003.21682-10-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200430181003.21682-1-peter.maydell@linaro.org> References: <20200430181003.21682-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2a00:1450:4864:20::344; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x344.google.com X-detected-operating-system: by eggs.gnu.org: Error: [-] PROGRAM ABORT : Malformed IPv6 address (bad octet value). Location : parse_addr6(), p0f-client.c:67 X-Received-From: 2a00:1450:4864:20::344 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: Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Convert the V[US]DOT (scalar) insns in the 2reg-scalar-ext group to decodetree. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- target/arm/translate-neon.inc.c | 35 +++++++++++++++++++++++++++++++++ target/arm/translate.c | 13 +----------- target/arm/neon-shared.decode | 3 +++ 3 files changed, 39 insertions(+), 12 deletions(-) diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.in= c.c index 92eccbf8236..7cc6ccb0697 100644 --- a/target/arm/translate-neon.inc.c +++ b/target/arm/translate-neon.inc.c @@ -207,3 +207,38 @@ static bool trans_VCMLA_scalar(DisasContext *s, arg_VC= MLA_scalar *a) tcg_temp_free_ptr(fpst); return true; } + +static bool trans_VDOT_scalar(DisasContext *s, arg_VDOT_scalar *a) +{ + gen_helper_gvec_3 *fn_gvec; + int opr_sz; + TCGv_ptr fpst; + + if (!dc_isar_feature(aa32_dp, s)) { + return false; + } + + /* UNDEF accesses to D16-D31 if they don't exist. */ + if (!dc_isar_feature(aa32_simd_r32, s) && + ((a->vd | a->vn) & 0x10)) { + return false; + } + + if ((a->vd | a->vn) & a->q) { + return false; + } + + if (!vfp_access_check(s)) { + return true; + } + + fn_gvec =3D a->u ? gen_helper_gvec_udot_idx_b : gen_helper_gvec_sdot_i= dx_b; + opr_sz =3D (1 + a->q) * 8; + fpst =3D get_fpstatus_ptr(1); + tcg_gen_gvec_3_ool(vfp_reg_offset(1, a->vd), + vfp_reg_offset(1, a->vn), + vfp_reg_offset(1, a->rm), + opr_sz, opr_sz, a->index, fn_gvec); + tcg_temp_free_ptr(fpst); + return true; +} diff --git a/target/arm/translate.c b/target/arm/translate.c index b82e54b7b23..af2714292ea 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -7049,18 +7049,7 @@ static int disas_neon_insn_2reg_scalar_ext(DisasCont= ext *s, uint32_t insn) bool is_long =3D false, q =3D extract32(insn, 6, 1); bool ptr_is_env =3D false; =20 - if ((insn & 0xffb00f00) =3D=3D 0xfe200d00) { - /* V[US]DOT -- 1111 1110 0.10 .... .... 1101 .Q.U .... */ - int u =3D extract32(insn, 4, 1); - - if (!dc_isar_feature(aa32_dp, s)) { - return 1; - } - fn_gvec =3D u ? gen_helper_gvec_udot_idx_b : gen_helper_gvec_sdot_= idx_b; - /* rm is just Vm, and index is M. */ - data =3D extract32(insn, 5, 1); /* index */ - rm =3D extract32(insn, 0, 4); - } else if ((insn & 0xffa00f10) =3D=3D 0xfe000810) { + if ((insn & 0xffa00f10) =3D=3D 0xfe000810) { /* VFM[AS]L -- 1111 1110 0.0S .... .... 1000 .Q.1 .... */ int is_s =3D extract32(insn, 20, 1); int vm20 =3D extract32(insn, 0, 3); diff --git a/target/arm/neon-shared.decode b/target/arm/neon-shared.decode index c11d755ed14..63a46c63c07 100644 --- a/target/arm/neon-shared.decode +++ b/target/arm/neon-shared.decode @@ -54,3 +54,6 @@ VCMLA_scalar 1111 1110 0 . rot:2 .... .... 1000 . q:1 i= ndex:1 0 vm:4 \ vn=3D%vn_dp vd=3D%vd_dp size=3D0 VCMLA_scalar 1111 1110 1 . rot:2 .... .... 1000 . q:1 . 0 .... \ vm=3D%vm_dp vn=3D%vn_dp vd=3D%vd_dp size=3D1 index=3D0 + +VDOT_scalar 1111 1110 0 . 10 .... .... 1101 . q:1 index:1 u:1 rm:4 \ + vm=3D%vm_dp vn=3D%vn_dp vd=3D%vd_dp --=20 2.20.1