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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id q62sm11710284wma.42.2021.05.25.08.04.05 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 May 2021 08:04:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=tYsSTw2h6YrgtjiXj4rU1pmAFkax+RyugIVq/dcN8PM=; b=bZl6Alcm6+bpJd0cGWkH0/1XhBAaSLAsUWSHxlUCgWzivly1W1FqNsP4xaIu8bQQfV 0OlCzwzyqTfVNjHCfrOVP4WWFqCnADT9ozsFmMcPXxdqap+Y4S5aSoACYtZUWIAA2bKA +QETSr0R618VRbDU94n+Km9emKxEsK0iEvVWJpsJuEqGKN9bXOMbn9TWMsxWwufsLtys UMu8AbPxh3LzEaJCbaNJE33dBlHAEMGC2lkrv+UGRttXLJv2tI9TvPR0NSJBlhBcskmF KBk4Jmu/PTRTWDBq76sz/KbIcVEu3L3xIJhlqbc3CXab1QukdjZVUb9VgPeTQbZzAF5p oDUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=tYsSTw2h6YrgtjiXj4rU1pmAFkax+RyugIVq/dcN8PM=; b=tZrs+OQzv8b0+CQDMz4mtV8Ff+wfxfwboDC9iG8zKrBR6rSIf4phvTLqoyKXISGAp4 F3vPus7oXDe9B3laKVlIyFQfzDPyVXe+/j/PxMSZInYhwgTymuGE/eqzAPr9M+mWh9p/ fOj3O2Z4NZsN5IIe6xslYrF7kfarSX/9tsJhgriQ3mssiBdh8NCAjq7f0F0f1RY5M0m8 sLmyC5wXfQMb9lOlRDGSSLyXqAEVuFynzlkeKaGroDP1Dg7iFyduxyPtat/Hz5OivXe6 tm7TVbUZTFea0vhEncEDXJQGN8Ft2rLgROffLJsRjU5TN0X2F9K5bQXowEnR9kw2DWRb Pdjg== X-Gm-Message-State: AOAM533B15OsAsWAAvkQnUx8AatfaPdxzwSxqWabvU+FIRNbZPFcG/W/ 4OLnP0y4CMchZbGzSRnfFdyOxH758gixi1cq X-Google-Smtp-Source: ABdhPJzv0/MAPFDbT72YMgTlNN6/HzHm1qlDGbqNZQ1VlzWGVLAo1JaMOk6md24GH7zYpyDarNopsg== X-Received: by 2002:a5d:50cf:: with SMTP id f15mr12849356wrt.287.1621955045811; Tue, 25 May 2021 08:04:05 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 043/114] target/arm: Implement SVE2 bitwise shift right and accumulate Date: Tue, 25 May 2021 16:02:13 +0100 Message-Id: <20210525150324.32370-44-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210525150324.32370-1-peter.maydell@linaro.org> References: <20210525150324.32370-1-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::432; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x432.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=ham 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: , 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" From: Richard Henderson Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Message-id: 20210525010358.152808-22-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/sve.decode | 8 ++++++++ target/arm/translate-sve.c | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 79046d81e3a..d3c4ec6dd12 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1253,3 +1253,11 @@ UABALT 01000101 .. 0 ..... 1100 11 ..... ..= ... @rda_rn_rm # ADC and SBC decoded via size in helper dispatch. ADCLB 01000101 .. 0 ..... 11010 0 ..... ..... @rda_rn_rm ADCLT 01000101 .. 0 ..... 11010 1 ..... ..... @rda_rn_rm + +## SVE2 bitwise shift right and accumulate + +# TODO: Use @rda and %reg_movprfx here. +SSRA 01000101 .. 0 ..... 1110 00 ..... ..... @rd_rn_tszimm_shr +USRA 01000101 .. 0 ..... 1110 01 ..... ..... @rd_rn_tszimm_shr +SRSRA 01000101 .. 0 ..... 1110 10 ..... ..... @rd_rn_tszimm_shr +URSRA 01000101 .. 0 ..... 1110 11 ..... ..... @rd_rn_tszimm_shr diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index cf4fa50ad2a..1f93b1e3fe3 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -6394,3 +6394,37 @@ static bool trans_ADCLT(DisasContext *s, arg_rrrr_es= z *a) { return do_adcl(s, a, true); } + +static bool do_sve2_fn2i(DisasContext *s, arg_rri_esz *a, GVecGen2iFn *fn) +{ + if (a->esz < 0 || !dc_isar_feature(aa64_sve2, s)) { + return false; + } + if (sve_access_check(s)) { + unsigned vsz =3D vec_full_reg_size(s); + unsigned rd_ofs =3D vec_full_reg_offset(s, a->rd); + unsigned rn_ofs =3D vec_full_reg_offset(s, a->rn); + fn(a->esz, rd_ofs, rn_ofs, a->imm, vsz, vsz); + } + return true; +} + +static bool trans_SSRA(DisasContext *s, arg_rri_esz *a) +{ + return do_sve2_fn2i(s, a, gen_gvec_ssra); +} + +static bool trans_USRA(DisasContext *s, arg_rri_esz *a) +{ + return do_sve2_fn2i(s, a, gen_gvec_usra); +} + +static bool trans_SRSRA(DisasContext *s, arg_rri_esz *a) +{ + return do_sve2_fn2i(s, a, gen_gvec_srsra); +} + +static bool trans_URSRA(DisasContext *s, arg_rri_esz *a) +{ + return do_sve2_fn2i(s, a, gen_gvec_ursra); +} --=20 2.20.1