From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73758C433EF for ; Thu, 28 Oct 2021 03:17:35 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1342160F0F for ; Thu, 28 Oct 2021 03:17:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1342160F0F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:49766 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mfvv4-0007br-61 for qemu-devel@archiver.kernel.org; Wed, 27 Oct 2021 23:17:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59796) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mfvPj-0001Zx-Qu for qemu-devel@nongnu.org; Wed, 27 Oct 2021 22:45:12 -0400 Received: from mail-pf1-x42e.google.com ([2607:f8b0:4864:20::42e]:39928) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mfvPe-0006Da-9M for qemu-devel@nongnu.org; Wed, 27 Oct 2021 22:45:10 -0400 Received: by mail-pf1-x42e.google.com with SMTP id b1so1056562pfm.6 for ; Wed, 27 Oct 2021 19:45:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=94vBg5DwrKjzYyc2SPZ2xHl0Qntly4eUJLdtjM2QYhE=; b=ATuWS3DGawUUtmsQetDTyR8Yfw3ScuEY9K3FeXWKm4pXDcQtgZKe/52h6HKsjOyTkU HMJAKW83W+oKG3aQVgjpMh3HG5FOUJ0FLdZ62mcLAy/b+WSAtszXP8/TpfctEGtAUJYP 8nSWQ0N4C21VUfeuYRt8dGH82jF6IVrjb7b83EqT/Mo7vuUs9zq/LvbPDCWXf4rrxq3D kKAFhzNg8neV7Rgb9+4xPIA5jBjvRrpdtFKgBtNPFXV8eFUI73Jy+3eUu2paX7EfzC9l nCBkkp4Qg09LUQS4XqkIkz0S/B8R1wWXq8PX4HIa49dT7TdcDrB7j5xa1chYBP22LIt4 mexA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=94vBg5DwrKjzYyc2SPZ2xHl0Qntly4eUJLdtjM2QYhE=; b=Ucf18btM05E0Jh91LwvLONrk4LT5Q0VWnuR5dsgPxI6I/1//HG6/+l+B6JASt/E73Z ortoll73NqJAHSw4jI/8ECJXMAdXqMUr6e7fuRI+xUDuN/gRjUFiW9Rv7/XOiSyvFK+G RIxiBWXYCcDsuTBBeoN5e50Z8NH2gE3s31oTqNVbvJXdwZwgyKifNx+Qvxf7GKohzy0m FMFRQ+ORhCdR13s2+0jNFcH4ClhRYD51IvRDPjpqI3gnCAiy5vNfTGixPc9mb38jlOUh i5cCYT61SiflrSGezid//npQODajV7R++Br8QmfWLVeB/qSoRLLWeVDCDGrem1FFx8jg OEAA== X-Gm-Message-State: AOAM530Ioldk4QrDwkkDUfEfVUHhAhWK2EOs74jJgUwAKiEt0U1mnd8C H9Sf5oB4Cf9fStDNZa3OriTNTedwBxfrSA== X-Google-Smtp-Source: ABdhPJwlOpSSvPS0VhFoU/fMm6RIoeEfXTSvpi+XYqlWppHeU33sbMu/gRVt5IODndj8jw2SneKqUg== X-Received: by 2002:a05:6a00:1309:b0:44d:4d1e:c930 with SMTP id j9-20020a056a00130900b0044d4d1ec930mr1471858pfu.65.1635389105078; Wed, 27 Oct 2021 19:45:05 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id z8sm995907pgc.53.2021.10.27.19.45.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Oct 2021 19:45:04 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 49/56] tcg/optimize: Use fold_xi_to_x for mul Date: Wed, 27 Oct 2021 19:41:24 -0700 Message-Id: <20211028024131.1492790-50-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211028024131.1492790-1-richard.henderson@linaro.org> References: <20211028024131.1492790-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::42e; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42e.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Luis Pires , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Recognize the identity function for low-part multiply. Suggested-by: Luis Pires Reviewed-by: Luis Pires Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- tcg/optimize.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index 6d795954f2..907049fb06 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1461,7 +1461,8 @@ static bool fold_movcond(OptContext *ctx, TCGOp *op) static bool fold_mul(OptContext *ctx, TCGOp *op) { if (fold_const2(ctx, op) || - fold_xi_to_i(ctx, op, 0)) { + fold_xi_to_i(ctx, op, 0) || + fold_xi_to_x(ctx, op, 1)) { return true; } return false; -- 2.25.1