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[71.212.47.143]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-74059021067sm7516485b3a.107.2025.05.05.13.28.02 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 May 2025 13:28:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1746476883; x=1747081683; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=kofwy185EEZLPzQB92vqtuKiKqq4yoFm/cvXaDrv7JU=; b=kKigjx+ilSvP290+4FV1AgQs0abmGmyww05F3yNgx50gFpuXma2XLwTo14cYVGxCOD KqaRdQut6BN16v0WilgyxCPBhfVQ3VElSVsBHWv1I5hBRz/mKm8yhM1kbRIrUirqg4+u EbontWlYZT7OZD2OTK4fXdIUQQhEASldltYHLff4l/2xZ8msmD0IH4360r1X3jIVK0dn rGH1zDfAXGEJ1sd279d+SB36nJf5hws20Jobliv1iKT4gQ3enVgc/VORgnA4gjaQtWtP sIB3avA7zQ8sdpvQ9x5CjY7C0SBOPWv/5bmtcrynMhmAZAXI/URZKICnVlOkhtl0FEB7 AlJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746476883; x=1747081683; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=kofwy185EEZLPzQB92vqtuKiKqq4yoFm/cvXaDrv7JU=; b=Xs3nyElSHAU/GDHxvIg2jr3nfQccbczRrJQkSCCsQinreZQQCdOItvS8HfsnSJMP20 1NjSIyE8UCIf8FvNVlZ2bLiv8QollJyAkpFlbt0Mj/9io/kOg9MbJ4qDUCCXBmfpaBwd qTs5vZU6HttXVr+8CY4FgDI4BjS49PBl/V+6xm4fWf4HMLw3N33FlNGmQw3BXXSfcomz CpAQot3QOesawrgVsj7UcWfII5Q8GvgdQucLPYN355dAETgf115SD9hkXcYhodzWrDyD P5KiT+IIEDFMivRb3kY8EzKb9gRYCzCGgzTzfCb+b+oXzqCTwKRyHIERkbUTAZEy5c2s DnKw== X-Gm-Message-State: AOJu0Yyez7iB46awrGz6BMjID3ZQtLGDTsQXOPW8G8jYKCkZo0PexXhy Pka4AM90y62ZZmW5VGvXFTakfKxnGjdBo/82Mvu4vDeyLEaMCxIzLIG+on+jJH//EzMBJPAXLTM + X-Gm-Gg: ASbGncskkegCNAQmoUnP6sY3EQsRqWOmWbvEHAEAs3vrES5NLT/+Fkncjp4D58T9qmC N0hKk4ps5Fm6BWJiFwPzEUkf7nrW5T6kQx42mVIAlFE1DCiAxs3iHUGYKKerWetam32cCB7Q+qd Fe0cSNKee2ISj4LXsSAgcW4Ubz4USOVEljJxmBC8SrtMRteh+/qSgMZ5CzTBkrh779MyrfZ2dtG FJrh0JgZg67aWtdD4YrmD3wPvVnY42RFbMzemUsK8xAJTUc9ZC/pdw64EHRPJ///YDnXp5hq16q WDAkNnkLUTkwJGQ5WO8gfv1sPnHoiY2pD5nXdJYKdvIfLJ+GEeqQRUUtO4W+1hk77bA0OVeZhU4 = X-Google-Smtp-Source: AGHT+IFeTWXzFemncHkEADvcuuCqE8stSN1r5OefmrfbUlWY9rU+J8Uc8qMAvD+s5kQctk8cJYk2Qw== X-Received: by 2002:a17:902:cece:b0:223:66a1:4503 with SMTP id d9443c01a7336-22e1ea36e9amr120547385ad.30.1746476882737; Mon, 05 May 2025 13:28:02 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 11/20] tcg/optimize: Build and use o_bits in fold_xor Date: Mon, 5 May 2025 13:27:42 -0700 Message-ID: <20250505202751.3510517-12-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250505202751.3510517-1-richard.henderson@linaro.org> References: <20250505202751.3510517-1-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::62e; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62e.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: 1746477129841116600 Content-Type: text/plain; charset="utf-8" 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 5081e3db1f..a61c7ca376 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -3038,7 +3038,7 @@ 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) || @@ -3050,9 +3050,12 @@ 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