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 AF8FDC433EF for ; Tue, 26 Oct 2021 23:29:45 +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 755FC61002 for ; Tue, 26 Oct 2021 23:29:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 755FC61002 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]:50936 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mfVt2-0006f5-FK for qemu-devel@archiver.kernel.org; Tue, 26 Oct 2021 19:29:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53004) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mfVa6-00033m-Ex for qemu-devel@nongnu.org; Tue, 26 Oct 2021 19:10:10 -0400 Received: from mail-pg1-x52e.google.com ([2607:f8b0:4864:20::52e]:42861) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mfVa2-0001z9-1L for qemu-devel@nongnu.org; Tue, 26 Oct 2021 19:10:10 -0400 Received: by mail-pg1-x52e.google.com with SMTP id t7so1008890pgl.9 for ; Tue, 26 Oct 2021 16:10:05 -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=C2TgxQz1GB819hSkndrC8NaNVJWCUo0QsMgOlWylEw4=; b=QeB7QIxGp4on65pY8952UOWe57wcXZxIXjab9Kgems7C+aoOAiyPtxzEhjFh4gTsMm ebPf87DmfVXzjnY1Gi9cFZCr9RF4bT03F8Y8qMayUO026mrxiyGqXSFHw02Q9mQ6FVen 0aCB3zDZfDxoPW6c2dHudyAgJFAM624ekYxaLRN3Nz/Tlt1Yt9aX0gKzkvneIB/V0feM 2rnKn5b9AOoC50YsndDO3AQbTJgY4ZBEoEl2bmxgylF7b+dsMS1617MwpuXA6tXEFZbH lZTLvNSJKIZQcGlOX/PWuMBMGlt1Tec/YjpxJ+9F+WGvDD8jOyOjSDHeisP2n1ixcNLv 9JNA== 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=C2TgxQz1GB819hSkndrC8NaNVJWCUo0QsMgOlWylEw4=; b=wq/c9O9SDvGoS2COL69mfVkovt0RktaQM9OgdpBXDvE98STVLFhRF5RdCt3zO81OFx P3wfd+NklGQhLd33N9W0NBYMAGZW6kdQLteusI8EHekSMHkoFfOQeybvgtvBVBgnYKSa WmFxISQAcphOK9jeW6S1O7xKRrhKSfC8qMsIOfofKfPrE0L4EFXsMCbhA6sRh6uF71HW oDL+VnHOvB756hiKjye/37B3Gz5qJSc7laXtVh821Gi8vk2mF4fSujJ6df1+vxy5NJbk bjgi3Y4AcezE0g9YT9IZZJ88XxJCXnvJVyYvM2Y0yGiKzvXRCpmA/m7Bv1uyTQlwH4K+ H7yw== X-Gm-Message-State: AOAM530NyIivyUzWiJdVfNJKYb5HnLQO7L6ZbpPiAU/Tt89ugGLmmEWT bS5If1kUaXvbIs0snI/mgo3NqSmqXCkVDA== X-Google-Smtp-Source: ABdhPJwVZzlX7g+7s5Tbcez5L+uVVfdAanC473g6cuKPfr3PPHUtORqEz4j8d9Uhse6rPM1slw7V9w== X-Received: by 2002:a63:7405:: with SMTP id p5mr21262912pgc.426.1635289804620; Tue, 26 Oct 2021 16:10:04 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id t22sm4450630pfg.63.2021.10.26.16.10.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Oct 2021 16:10:04 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v4 22/51] tcg/optimize: Split out fold_movcond Date: Tue, 26 Oct 2021 16:09:14 -0700 Message-Id: <20211026230943.1225890-23-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211026230943.1225890-1-richard.henderson@linaro.org> References: <20211026230943.1225890-1-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::52e; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52e.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@eldorado.org.br, alex.bennee@linaro.org, f4bug@amsat.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Luis Pires Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- tcg/optimize.c | 56 ++++++++++++++++++++++++++++---------------------- 1 file changed, 31 insertions(+), 25 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index 9d1d045363..110b3d1cc2 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -922,6 +922,34 @@ static bool fold_mb(OptContext *ctx, TCGOp *op) return true; } +static bool fold_movcond(OptContext *ctx, TCGOp *op) +{ + TCGOpcode opc = op->opc; + TCGCond cond = op->args[5]; + int i = do_constant_folding_cond(opc, op->args[1], op->args[2], cond); + + if (i >= 0) { + return tcg_opt_gen_mov(ctx, op, op->args[0], op->args[4 - i]); + } + + if (arg_is_const(op->args[3]) && arg_is_const(op->args[4])) { + uint64_t tv = arg_info(op->args[3])->val; + uint64_t fv = arg_info(op->args[4])->val; + + opc = (opc == INDEX_op_movcond_i32 + ? INDEX_op_setcond_i32 : INDEX_op_setcond_i64); + + if (tv == 1 && fv == 0) { + op->opc = opc; + op->args[3] = cond; + } else if (fv == 1 && tv == 0) { + op->opc = opc; + op->args[3] = tcg_invert_cond(cond); + } + } + return false; +} + static bool fold_mul(OptContext *ctx, TCGOp *op) { return fold_const2(ctx, op); @@ -1715,31 +1743,6 @@ void tcg_optimize(TCGContext *s) } break; - CASE_OP_32_64(movcond): - i = do_constant_folding_cond(opc, op->args[1], - op->args[2], op->args[5]); - if (i >= 0) { - tcg_opt_gen_mov(&ctx, op, op->args[0], op->args[4 - i]); - continue; - } - if (arg_is_const(op->args[3]) && arg_is_const(op->args[4])) { - uint64_t tv = arg_info(op->args[3])->val; - uint64_t fv = arg_info(op->args[4])->val; - TCGCond cond = op->args[5]; - - if (fv == 1 && tv == 0) { - cond = tcg_invert_cond(cond); - } else if (!(tv == 1 && fv == 0)) { - break; - } - op->args[3] = cond; - op->opc = opc = (opc == INDEX_op_movcond_i32 - ? INDEX_op_setcond_i32 - : INDEX_op_setcond_i64); - } - break; - - default: break; @@ -1791,6 +1794,9 @@ void tcg_optimize(TCGContext *s) case INDEX_op_mb: done = fold_mb(&ctx, op); break; + CASE_OP_32_64(movcond): + done = fold_movcond(&ctx, op); + break; CASE_OP_32_64(mul): done = fold_mul(&ctx, op); break; -- 2.25.1