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[81.250.175.67]) by smtp.gmail.com with ESMTPSA id o19-20020a05600c4fd300b003b3180551c8sm17591567wmq.40.2022.09.14.03.51.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Sep 2022 03:51:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=adacore.com; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date; bh=3EixDPZiTh1cu5bzXVUfqmmOq21DRcvjlj7CM3XcdWs=; b=eq/knprLKEJigiTWJYlneRztqMEOjrQaE6sJ0l8yq1oFrdLMfN4PIVHeRoj4NK33hZ B/VvNdcI/GKxKibPY3Cpxj4KDQxfux0gIuLvN9P40DRYAHMLIVGjZnM++1wVgGdQvd4K YLDrsR/MW4fVfZf1kY5/YHb4PwM2QL9apOSW+J9wzflxKX/AfqbODw62XTJoD+N7GAdW BaDfBbrW7jMRYLVH0ENfhLAwy31L3CNjD7573DiX50nDFP0Bd8qkAretKD4l/8C5PVdc b8eH+G64EfWJyn5MXg4M4NBc1iAXpWvFFZzt4qwfdxMAouukvEl5bdRP3OAETxZ2qRzV c8IA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date; bh=3EixDPZiTh1cu5bzXVUfqmmOq21DRcvjlj7CM3XcdWs=; b=VX/cwaUMv75uu46XRkHiRK5HuXwBRu/8sOOlej4B8KFLg88syVsVx7Gw5gomKZ8KB3 uIie2hagg64RLdb/vCeUBM1g80cExSKsnvDU5dGrNF9I9E0Y3tUSHVaU1y+P4T+QHk4w /qU14CCMt3GN2jnlcjNvPooJdhJ0viBOmFyo3SyyDea32D1s+o+dxzOczIWBus2WF3sB f7w7sEGYsBCe5aebJF1u4H/t5b7+3TdJvwxmGQVzjAH3IX8PH0jBTJ1YLqxF6VekIWvw +0njExfad/JI3pnlZQ3vKZr4R1fLWUYWI3o78XOjAi1gSFXo+oxbb95L3EqYoJXEUbja Y0hA== X-Gm-Message-State: ACgBeo28CDaOKlChYpUnh/DMqLEnsewz3XvbVHY3nJbp2mwh3zMbbTjr x3OZ5+yJBot0SoB+DbhqVdnuvg== X-Google-Smtp-Source: AA6agR6l5gfCrsjRaeBVob5fCxpRL11pErFFq1VYlFipolAOxx0kYVio26WVcaRGF2s4VSqU7uKfjQ== X-Received: by 2002:adf:fbca:0:b0:225:2ac9:e306 with SMTP id d10-20020adffbca000000b002252ac9e306mr21490128wrs.259.1663152708074; Wed, 14 Sep 2022 03:51:48 -0700 (PDT) From: =?UTF-8?q?Cl=C3=A9ment=20Chigot?= To: qemu-arm@nongnu.org Cc: qemu-devel@nongnu.org, peter.maydell@linaro.org, =?UTF-8?q?Cl=C3=A9ment=20Chigot?= Subject: [PATCH] target/arm: Fix alignment for VLD4.32 Date: Wed, 14 Sep 2022 12:50:59 +0200 Message-Id: <20220914105058.2787404-1-chigot@adacore.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::430; envelope-from=chigot@adacore.com; helo=mail-wr1-x430.google.com X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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 @adacore.com) X-ZM-MESSAGEID: 1663152814584100001 When requested, the alignment for VLD4.32 is 8 and not 16. See ARM documentation about VLD4 encoding: ebytes =3D 1 << UInt(size); if size =3D=3D '10' then alignment =3D if a =3D=3D '0' then 1 else 8; else alignment =3D if a =3D=3D '0' then 1 else 4*ebytes; Signed-off-by: Cl=C3=A9ment Chigot Reviewed-by: Richard Henderson --- target/arm/translate-neon.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/target/arm/translate-neon.c b/target/arm/translate-neon.c index 321c17e2c7..4016339d46 100644 --- a/target/arm/translate-neon.c +++ b/target/arm/translate-neon.c @@ -584,7 +584,11 @@ static bool trans_VLD_all_lanes(DisasContext *s, arg_V= LD_all_lanes *a) case 3: return false; case 4: - align =3D pow2_align(size + 2); + if (size =3D=3D 2) { + align =3D pow2_align(3); + } else { + align =3D pow2_align(size + 2); + } break; default: g_assert_not_reached(); --=20 2.25.1