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[174.21.67.243]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-237d860a426sm64747445ad.117.2025.06.22.10.50.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 22 Jun 2025 10:50:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1750614653; x=1751219453; darn=nongnu.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=zz85mS8Aj0NqtVluLQ1vpPK1jkJFPwOsi7JR49MknDU=; b=s8LsdRN5HItqgYQCMtY/a46HVikJIO7+GNBtlqhWl9LfhjgoX1IXSCn0//HDv9fkPP 6viIhiIL5JUQPunQpswygE+suYhNZqOQs6gZHK/nQwXJrQJvxkdZDdIKitT1SHhorreE WjcrRcvUhCdWa/wvBVfMxS6uKKqGErNmaBbpEBiE0etw8/ilrYFMqkxmefbVrPLs7kui vKew+4sTe9W3m1uamTSEIQgdqLg45lD/DNbtZSrK7ATIJ/GCz3a4gXHryfqOO+j0F+ef hwu+cL0QDiW4/qsqWE2NORytyoHoEPICkOLXz2F6OgdPCqOPVY+OfXSoCY67Pw6F+YSr ITEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750614653; x=1751219453; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=zz85mS8Aj0NqtVluLQ1vpPK1jkJFPwOsi7JR49MknDU=; b=fDXU3HpXGUsLXSh2tJNobzRFquDdq5fh13UeWdkgQYId1GXTW9NwmPbqzWTHTYwqDw UE3H8CPONZD6PKpPCXJ3rrxUiVvy1nAG95jqaled8RaNuLuOy3Lcu77taZC05vGg8vOw FnSU1GfS+exTt4VwimiYqEL6L+1btDIVG8FV/L0poZ73TXSgRQuyUK8LPYG8V4rFNnj3 3UA86Zfg0cd4D1S2jX/TR936Si2yMkPYkniZNkcRxPMe6hWM9nE/vjmjebuw8gRonJM/ yIlOzoP3SWHXqzLlo7+tSzgys6U7MIX20n5i6AHmdQVOZeOy6jomLFta9MB3Z1jfDQJX 99ow== X-Gm-Message-State: AOJu0YzlsZIbj2h1iu8KSxIu4OiKvfI0OY3xsStsQyCc34Zug/JCWZsZ aLI/AjGhQHaIiVwlAK87YUn1ZwWTT5G0i+WnUSNIDUl2i4ttiuTb6LcudPIPHGndMHjGhrcYbzS jVIbDBcs= X-Gm-Gg: ASbGncuKoKwNYbpjWuR2Se0fVUQYL4ML2JWLi7170k8Ya4+1z7NwrBJkkRAU5nHB4lq s25y/xiuMwCPlgnmjwezh7nCdnABvKfMcCjxJMjWsDYAh9jIB4pxmMiK6EhXG41Xa4sswBVFX8V GYlTcE1yJan8pHZysOPDKOfBSRlsmhoo70Nv12/0hiP3GXqJmUXTUGOYPUjH8+0C48tyt0+uX9+ lVJGGYgKIvoRaSUgH+oihX6pmFLsXpDNAETWSRtu0LOKRHMoRsv5GBoB8Xv+DNtmR4V6MCqENZs xfAgupj6lfUUHGmcEvHY5vVhCGFf32BuWEnqE5uAyDPevqGw93AJLZmKauWvzVZQ0hYq6voN2au W47SNY60jH/LH+IsXVcFP X-Google-Smtp-Source: AGHT+IHarkfQHe4KUfuCU1owAvQTmeYBjnzEeMaLq6MPhBg8SjiR/tMLuu0WJKFPkTvqEsylwysfGw== X-Received: by 2002:a17:902:d58c:b0:234:b131:15a with SMTP id d9443c01a7336-237d9775661mr144441765ad.4.1750614653581; Sun, 22 Jun 2025 10:50:53 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-stable@nongnu.org Subject: [PATCH] target/arm: Fix SME vs AdvSIMD exception priority Date: Sun, 22 Jun 2025 10:50:52 -0700 Message-ID: <20250622175052.180728-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 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=2607:f8b0:4864:20::629; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x629.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=unavailable autolearn_force=no X-Spam_action: no action 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-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1750614729679116600 Content-Type: text/plain; charset="utf-8" We failed to raise an exception when sme_excp_el =3D=3D 0 and fp_excp_el =3D=3D 1. Cc: qemu-stable@nongnu.org Fixes: 3d74825f4d6 ("target/arm: Add SME enablement checks") Signed-off-by: Richard Henderson --- target/arm/tcg/translate-a64.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 297064806e..427f029e28 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -1494,7 +1494,8 @@ bool sme_enabled_check(DisasContext *s) * to be zero when fp_excp_el has priority. This is because we need * sme_excp_el by itself for cpregs access checks. */ - if (!s->fp_excp_el || s->sme_excp_el < s->fp_excp_el) { + if (s->sme_excp_el + && (!s->fp_excp_el || s->sme_excp_el < s->fp_excp_el)) { bool ret =3D sme_access_check(s); s->fp_access_checked =3D (ret ? 1 : -1); return ret; --=20 2.43.0