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([187.210.107.185]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-73afb00c48asm1712478a34.27.2025.06.30.08.29.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Jun 2025 08:29:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1751297346; x=1751902146; 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=ed37owTcRXNcXW8DIrgmIBeAmojXykiSQei3JzaOn08=; b=liJJz/igZHqOriXDvX39cNO0KnlwJugZXbJnBVi4FV8UARddiWWHSBkqBiZrP4ZGMq atN9eZ+JWpzicjt2LSCpWvsTX1TFWgYJpYfZ/QPQH75qaPUVvypqwH1nnjqNAbMiU7qI CKGjNwZY1YIIeDy9zigkBfKnA8kiIqlKwtQSZpC4KcdHC+CbxicZjyrailbLuOf/8pkt 2izIASUkgluiNKkjFjjMOzyYH3HUp8lhw/VbXJLaE9uLFcZEXOcKB+QZCThXwN92h9MZ iwb0XIEPxlITEL4MMD2LpyXGo6zpi/FMJky3qzWCpc6kltkW844kfJ1Z8GgREPb1qd+6 9JPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751297346; x=1751902146; 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=ed37owTcRXNcXW8DIrgmIBeAmojXykiSQei3JzaOn08=; b=QVTaq1erYrETfNzfEXgxNYRfCpLHZsM4TqxAXRPG3FlDCrNWge1KLlcfO0RB4YoyHo fHZqrloe8JtIFQty6DmBwvqyFmkmY6o9ZgP7Zh28r54bH55+UeFA7wNfdgYm7Hk/3HFI lck3JvvIHwRVRyb/pW9rWvmQOQ5WzBeS2VyK2/U8vHN0rE8PVSHYhf7UQ7X8gT2RpaVm AXeq8wYME15zCvdvvBO9zf/DnNW+kyXHTrGokG/lCdSfvooFtkm1IRNytvTmd5sV8tfY oNEAwzhO//cJ/8KqN140odn518G52vwL6hf5umbPpkkykO22MwpXh2eK3B9GUxJ/cdvS 8mMQ== X-Gm-Message-State: AOJu0YzBR7ubl7jkMsqNNkNM3LbUHucReXPTZbw5D9z9PHll/nPXy6Sn TpnXuYVcAVYmXsyU/2qbQ3jehuEswX0OHJ8L6G0/IK4F1spcP084dkHWSWx8yVDsk7n/m25x1s4 1G0gp X-Gm-Gg: ASbGncu8SZ7UxXIK5P4Cg234HyhRyOawNScJ9NgCeFR3FkseazjF/cE1cleA3pMbDpO ZehmKmOqLRMYcrwsPK0DQsNVCvMzLjLNEa4lyvAIXIGAf+gTHyBz88oWeW580k2AR9+sUh3B/zL o9Do7um7osehCqgj0lyeW3474Do82nClurmEichOfp7Uoj1FxFVft38JMKuioX+MpHnrt2CjnDB KXoovR5thh0jak5LWYbcSkB27e9CMZeIYskZ4zCyZ5yQsCuqO7Vrv0NuZr5+2deM/9omilzgQU0 8HI7Y5qqHshZTehtFBWRO4UjWYPVPyT+1my1Jopo8RNWai1PrAfX9OT8yC+34R52yF64pg== X-Google-Smtp-Source: AGHT+IGUke0U0sJhfZdWkrEj2q+qmKIdukEpJ7PbgBGvKa0j2Jqr0OoQHv/qqkisfPAlsOebI72SwA== X-Received: by 2002:a05:6830:630a:b0:72a:449e:2b69 with SMTP id 46e09a7af769-73afc6b249bmr9116087a34.28.1751297346265; Mon, 30 Jun 2025 08:29:06 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Pierrick Bouvier Subject: [PULL 10/29] tcg/optimize: Build and use one and affected bits in fold_or Date: Mon, 30 Jun 2025 09:28:36 -0600 Message-ID: <20250630152855.148018-11-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::32f; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x32f.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: 1751297609457116600 Content-Type: text/plain; charset="utf-8" Reviewed-by: Pierrick Bouvier Signed-off-by: Richard Henderson --- tcg/optimize.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index d22396f6d7..ce065d0e22 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -2263,7 +2263,7 @@ static bool fold_not(OptContext *ctx, TCGOp *op) =20 static bool fold_or(OptContext *ctx, TCGOp *op) { - uint64_t z_mask, s_mask; + uint64_t z_mask, o_mask, s_mask, a_mask; TempOptInfo *t1, *t2; =20 if (fold_const2_commutative(ctx, op) || @@ -2274,9 +2274,15 @@ static bool fold_or(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; + o_mask =3D t1->o_mask | t2->o_mask; s_mask =3D t1->s_mask & t2->s_mask; - return fold_masks_zs(ctx, op, z_mask, s_mask); + + /* Affected bits are those not known one, masked by those known zero. = */ + a_mask =3D ~t1->o_mask & t2->z_mask; + + return fold_masks_zosa(ctx, op, z_mask, o_mask, s_mask, a_mask); } =20 static bool fold_orc(OptContext *ctx, TCGOp *op) --=20 2.43.0