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[97.126.112.211]) by smtp.gmail.com with ESMTPSA id b84-v6sm28179157pfm.123.2018.05.30.11.01.46 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 30 May 2018 11:01:47 -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=KjHaYoglkEEDpj+nxjmOWg1p1VMDQ/DgG8iObr4ysR8=; b=L7GWtWiVYPk9CDmUHdrzAlCUExEWGKPkp3KkfvnEk1tSSqkl2enwZPpmcR+a+DZB11 TON2xn1QiTNQQshRPVIv6cN6fY5kC9V3q6I+w7sm7+3BdzsykTsBcHcD2+RX8QQ75g84 vxXppW9QOs8SkeV/n1yu7RY0qxFUNaJoyv4pU= 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=KjHaYoglkEEDpj+nxjmOWg1p1VMDQ/DgG8iObr4ysR8=; b=hOoE+ox6PQ2ed0WdHRVlGmDqu+6IsSyLauVud+eEt520RA9yKJvk8jq7wZkgJsJrxe 0jsibRbZCjzR4WxCUqTpDl2yka+vSC3RFu5IyyC95OH22XyTU19HDIti+Rq86mdTlT7f GjELrMeXoSDi1ivXfsWY4Yka3ghT66hOoQk1L0Xuq6ySO1uvxR5Hl6KFx3nF/YMWInCF Vyau5gwbC935LFDOh/lhCECOckAZVwohy3ffI4wJGCSs7DFp7cxxSBjuNrUUzRj6sxKh lrLUR1ytvQLVmmAW7Fffw0jyfEi/gTcs3nth/FqWGOQutJNfeheFUzl2VPJCXOFIVe+C VG6Q== X-Gm-Message-State: ALKqPwelXswx3LNRVDIG7i8yHy1lkEkaLJv79T8+Az/sjSjjU+Zm6fKn P2X+L9x0hIsQZCibEcLpQdBVcc/YH08= X-Google-Smtp-Source: ADUXVKJBzBTuLex0+9Ixg864GBOSFBhtSKjfKra7z330Y6EoVRY8s2Rbi89Y5i6DbcFybPEnP/QJ/Q== X-Received: by 2002:a62:1bc2:: with SMTP id b185-v6mr215234pfb.225.1527703308041; Wed, 30 May 2018 11:01:48 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Wed, 30 May 2018 11:01:18 -0700 Message-Id: <20180530180120.13355-17-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180530180120.13355-1-richard.henderson@linaro.org> References: <20180530180120.13355-1-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::243 Subject: [Qemu-devel] [PATCH v3b 16/18] target/arm: Implement FDUP/DUP 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, qemu-arm@nongnu.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: Peter Maydell --- target/arm/translate-sve.c | 37 +++++++++++++++++++++++++++++++++++++ target/arm/sve.decode | 8 ++++++++ 2 files changed, 45 insertions(+) diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index 75eb36f110..e470f3b745 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -3183,6 +3183,43 @@ static bool trans_WHILE(DisasContext *s, arg_WHILE *= a, uint32_t insn) return true; } =20 +/* + *** SVE Integer Wide Immediate - Unpredicated Group + */ + +static bool trans_FDUP(DisasContext *s, arg_FDUP *a, uint32_t insn) +{ + if (a->esz =3D=3D 0) { + return false; + } + if (sve_access_check(s)) { + unsigned vsz =3D vec_full_reg_size(s); + int dofs =3D vec_full_reg_offset(s, a->rd); + uint64_t imm; + + /* Decode the VFP immediate. */ + imm =3D vfp_expand_imm(a->esz, a->imm); + imm =3D dup_const(a->esz, imm); + + tcg_gen_gvec_dup64i(dofs, vsz, vsz, imm); + } + return true; +} + +static bool trans_DUP_i(DisasContext *s, arg_DUP_i *a, uint32_t insn) +{ + if (a->esz =3D=3D 0 && extract32(insn, 13, 1)) { + return false; + } + if (sve_access_check(s)) { + unsigned vsz =3D vec_full_reg_size(s); + int dofs =3D vec_full_reg_offset(s, a->rd); + + tcg_gen_gvec_dup64i(dofs, vsz, vsz, dup_const(a->esz, a->imm)); + } + return true; +} + /* *** SVE Memory - 32-bit Gather and Unsized Contiguous Group */ diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 4b718060a9..b8bd22aff7 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -614,6 +614,14 @@ CTERM 00100101 1 sf:1 1 rm:5 001000 rn:5 ne:= 1 0000 # SVE integer compare scalar count and limit WHILE 00100101 esz:2 1 rm:5 000 sf:1 u:1 1 rn:5 eq:1 rd:4 =20 +### SVE Integer Wide Immediate - Unpredicated Group + +# SVE broadcast floating-point immediate (unpredicated) +FDUP 00100101 esz:2 111 00 1110 imm:8 rd:5 + +# SVE broadcast integer immediate (unpredicated) +DUP_i 00100101 esz:2 111 00 011 . ........ rd:5 imm=3D%sh8= _i8s + ### SVE Memory - 32-bit Gather and Unsized Contiguous Group =20 # SVE load predicate register --=20 2.17.0