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([187.210.107.185]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-73afb00c48asm1712478a34.27.2025.06.30.08.29.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Jun 2025 08:29:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1751297348; x=1751902148; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=rrC9y1MRX+O18Fhj9PQjZIyYMT4ErGepHphLgADpIME=; b=KJJI8khfSp/TddwRHGY9dEyh1ebmzX5qhKP8b2qwjNzPwxnrsnkBadF4foscL0WJSP 8R0A3C4A2191P69w22ooIe9OK6XsFsaHGMepifKS9kKfP+IpY31MnGteUC4UFEgqlWgY R+Wr7hNbJ2oc5enlnap/mkUiv5c+v6YcaIeaaJIt+wkMflot6HCjE3BgVv/CQSaW7z7J 9LlXjCIwR8SSnKZYhvWQJ876zBVCT3Y0AuV9zMYyqkdXZYgWe+8PjBu4oUVr52PGjl4k q6q6MrFA4dYjwQwBZp01/4XAMLG4NmDAsjl+TlZlaYK5hsc8MEudA9UIuO1Jh60lTCxF d7tA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751297348; x=1751902148; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=rrC9y1MRX+O18Fhj9PQjZIyYMT4ErGepHphLgADpIME=; b=xBmLxjmSjLUsgWueShwvL0jqa68CKOEgSvLMRDzu1HoIeDJQvPNfaX9zWzDYVb0eR9 KaBQaYjAIdFjwMavrICSjbNePBrWV9Ff9tdAQHRSvqSVZ+34f14q9Q93lnRNdWJTrDIR y6R/G0cse1WnkuEm0B5QcJsYNyEC0catl+VMi5hwT7va1BlFv3rtLkTz1ZTL2vk41Hn0 p3aOAIEnF+PTBJHsyxjSKouS7ZaeuCKrB3GhLPMol5ULOSdO3A5+QiW1W5BlH0MAjmlo A8sS/gbmWGqdoPWp1mD1xbh9DvkN5WeGyNkLuIlOzHllTJLxcZkZFo3c0C/X6/3ioFt5 08ng== X-Gm-Message-State: AOJu0YyxdFo/cpn0fJFpn8+2s1tFk8vuKHAXnxt0OrOHiezgs9tGqrAJ NJ6lljx/U5KYu4XqC9+pZIn5990kPamGoLWJ/Imb9s4WQtwrie2shzImotWXnIIc/H1p4RNHf5G Lt4b7 X-Gm-Gg: ASbGnctexaV63lDcdpxzY1HuT88HqdhQDPu4ltZ6rVGqLKlMVrD1uSD8NeMWzyjSw2P Bl6128zOXj3VQ0FmFxogUozXFRGs32eah+4Bhp3if6azYtcP0M1+gP+K5JlE2rE8loE67/Ea2op lMI6PrJE/s8T8phmL0MsrNtIqzAifJj6w87lAU/TMdb3AlWAyqpVwL5HNbWVOBwvirfOqORijcY S5SvVjp/m5fUhpBz3NbsQAIaZ8ua2paD66pgEUWrDznVifg27nv+P3FY4pOSR2rXZPEs5p9Qlo0 w4LkgMS0aLqkiZ2JIDNQJciNtQ7qG00fuQINHubK/DC0ygKSXCVkS5zvege6ROD78vqlzw== X-Google-Smtp-Source: AGHT+IG0xNzhxt7UrY7HZq+ScBmwwqGVF+3mChlCw3vStPo10QbUDtAdUP2g2BtXzXyVdjQU8nOWjw== X-Received: by 2002:a05:6830:2b23:b0:72a:1222:9e8a with SMTP id 46e09a7af769-73afc8e7176mr9473278a34.14.1751297347862; Mon, 30 Jun 2025 08:29:07 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Pierrick Bouvier Subject: [PULL 12/29] tcg/optimize: Build and use o_bits in fold_xor Date: Mon, 30 Jun 2025 09:28:38 -0600 Message-ID: <20250630152855.148018-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250630152855.148018-1-richard.henderson@linaro.org> References: <20250630152855.148018-1-richard.henderson@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=2607:f8b0:4864:20::336; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x336.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: 2.1.29 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: 1751297455425116600 Content-Type: text/plain; charset="utf-8" Reviewed-by: Pierrick Bouvier Signed-off-by: Richard Henderson --- tcg/optimize.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index 795f1c900e..572d314578 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -3039,7 +3039,7 @@ static bool fold_tcg_st_memcopy(OptContext *ctx, TCGO= p *op) =20 static bool fold_xor(OptContext *ctx, TCGOp *op) { - uint64_t z_mask, s_mask; + uint64_t z_mask, o_mask, s_mask; TempOptInfo *t1, *t2; =20 if (fold_const2_commutative(ctx, op) || @@ -3051,9 +3051,12 @@ static bool fold_xor(OptContext *ctx, TCGOp *op) =20 t1 =3D arg_info(op->args[1]); t2 =3D arg_info(op->args[2]); - z_mask =3D t1->z_mask | t2->z_mask; + + z_mask =3D (t1->z_mask | t2->z_mask) & ~(t1->o_mask & t2->o_mask); + o_mask =3D (t1->o_mask & ~t2->z_mask) | (t2->o_mask & ~t1->z_mask); s_mask =3D t1->s_mask & t2->s_mask; - return fold_masks_zs(ctx, op, z_mask, s_mask); + + return fold_masks_zos(ctx, op, z_mask, o_mask, s_mask); } =20 /* Propagate constants and copies, fold constant expressions. */ --=20 2.43.0