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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id 88sm4077443wrq.77.2020.05.14.07.21.46 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 May 2020 07:21:47 -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=VujTw+p8ldleMJAla0UUCCtvQHPUZGUi0dUrbSjbmM0=; b=tsgLtBv8JoRcrggJG2YU6Z62fpw2VjkYLCz+rZ65qJbt1lSjK7mtclRnRFL1v0WzWY KnT6BqCvL9ANCXQ5rzXMQur8xZ5mpwBYf6eEWv5DXxJYPpJtUMnYwdj7+6YUEIGbIv3+ yVu4ap8+ZNhnigbQynOXy9LKAvvUkhGohSdliY8KN65/wdAbkcBJ95Hyya/vQIFVIkrj hXmZRLYjrf+IyFBqEOW9afWf4Diqu3WL+OApKwMWGc1zFZMWQq5RNLp3nFAqMbXdfFH/ G/leFddaiooOLxjk40sObbLnenmpllYU9aFn4vZr5s6B4I+JKW/cm+LUtRk5b/osq4OD Y+VQ== 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=VujTw+p8ldleMJAla0UUCCtvQHPUZGUi0dUrbSjbmM0=; b=g3coF6R2m3Wf21lf6vsHNFbWZzrtXt94F09yKvhWSfTi1UjLdy37OvUh6zlar2RNeB 2DGsO3spuWLN2ekcmCulkV1ayXF7sgN6B6bO1hHQ8x8Xuz2q6S7wnyR0n11bDml5hfmX qDo0HzrxVwLUUQFoJF59qxzXnu314WfhmZSjy3B/upAAxXf7h9FDSe7BZFmxziknb7zl 6Qxeut40/rtgzAH/dWv3pV6q7hpkvt/qEVrkoS5Y+AN5fZONuSJWh5L54NtSAykIOcVR jYyAzN9jzJJm/HmroVDfq13Lvl9/AvU6GtOu1hGclmW3PjCBFUTL5z3/oeZpoKDy2SIx Rjbg== X-Gm-Message-State: AOAM5316uoZP7oIuryr3/YKmZA6moJxp87paQU28Mnv9HqMMRYk+NufF WGiH8gLxOvj9/RNnjnhSvI8fwm5IQ3Ekgw== X-Google-Smtp-Source: ABdhPJxXyk4NJHdz1g5ddshk/fMRDY+HxFUWzMtMCI/M1y8VSldzaMBZctpJ2CEY615RVXxCiedjZQ== X-Received: by 2002:a5d:4806:: with SMTP id l6mr5864408wrq.121.1589466108079; Thu, 14 May 2020 07:21:48 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 05/45] target/arm: Remove unnecessary range check for VSHL Date: Thu, 14 May 2020 15:20:58 +0100 Message-Id: <20200514142138.20875-6-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200514142138.20875-1-peter.maydell@linaro.org> References: <20200514142138.20875-1-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::429; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x429.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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 In 1dc8425e551, while converting to gvec, I added an extra range check against the shift count. This was unnecessary because the encoding of the shift count produces 0 to the element size - 1. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Message-id: 20200513163245.17915-5-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/translate.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index 3c489852dce..2eec689c5ed 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -5752,16 +5752,8 @@ static int disas_neon_data_insn(DisasContext *s, uin= t32_t insn) gen_gvec_sli(size, rd_ofs, rm_ofs, shift, vec_size, vec_size); } else { /* VSHL */ - /* Shifts larger than the element size are - * architecturally valid and results in zero. - */ - if (shift >=3D 8 << size) { - tcg_gen_gvec_dup_imm(size, rd_ofs, - vec_size, vec_size, 0); - } else { - tcg_gen_gvec_shli(size, rd_ofs, rm_ofs, shift, - vec_size, vec_size); - } + tcg_gen_gvec_shli(size, rd_ofs, rm_ofs, shift, + vec_size, vec_size); } return 0; } --=20 2.20.1