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 5AD0CC433FE for ; Thu, 21 Oct 2021 21:37:47 +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 1802D60FED for ; Thu, 21 Oct 2021 21:37:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1802D60FED 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]:41624 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mdfkw-00042q-42 for qemu-devel@archiver.kernel.org; Thu, 21 Oct 2021 17:37:46 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48736) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mdfGS-0007nE-ES for qemu-devel@nongnu.org; Thu, 21 Oct 2021 17:06:17 -0400 Received: from mail-pj1-x1029.google.com ([2607:f8b0:4864:20::1029]:35396) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mdfGN-0004mt-Jv for qemu-devel@nongnu.org; Thu, 21 Oct 2021 17:06:14 -0400 Received: by mail-pj1-x1029.google.com with SMTP id n11-20020a17090a2bcb00b001a1e7a0a6a6so412867pje.0 for ; Thu, 21 Oct 2021 14:06:10 -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=bbujJ/Gml0vlPkv2W75zfuI+JolLNfHI4JOjGTTLUJ4=; b=NyC7rn3FwDvI7J376V4y9ywTqYXhg9C/LIOqYUiiMClvNmlgufvpiSWDRYS62i7ZMp CLE+c1WKvzLHBWlV+BOKKUwtLQRYxGK/FEayj9uXdXwyBt8RKPXIbu5fPRCQn5owkSww /IARg2EGV1YH3y2FkoZfeCv1NMXIKa8b2J8lLI9vUOF9EdrGDNPseTMqkAEs3sq5ggZ7 AnQcLWTXC9cOluzdbK1VcFlfSV6dzZtXUTeG5ykAP26pWDX+P9+Jz4VaFz0Z3He/WLB2 DPYXahBx1cHpFG016r0lhzWislKvrfC3CEkyElBujC7miUs8bnTqXJhulz4ni8YsBrTv RK+A== 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=bbujJ/Gml0vlPkv2W75zfuI+JolLNfHI4JOjGTTLUJ4=; b=p/u9tkeXjIHs5A/JfO8EDBjKEAh0Age4mifK44H9nreUU0Yb2ozJ6TYZjaHO1xJtw/ ovqSs1MkbPM/B6NBZGt59e9qXXez37kjKcXe4hZRcP68l4rIH3V2MKkRzXTxQRJcHvpC s86YG5DTNxoHRi+Dhws8gaXqoTio/f0O03Zu6jY3l20nQEnLys++jQTG3JeirWc5h205 NuOcE15qkPx3ZXKyRMlRPPnwPRzrtMrcBYWcAvlXYwAhJul1Hj1Qt9Tfo1BOmFU8em7w cyawsqYV7/XJMQPrLtd+qNj1XRHk+8oGThputrgi6EojSv6umrxv7NpvD51Qk9zQZHYv qdWA== X-Gm-Message-State: AOAM531jEBu9q6UAke2ApsH7zniVd0qoRd1TTlIq2M4cj2gw4GAjq8Y6 3j9kbE0fXT5m3D+bgC67fqtBeSJ7vOE0jw== X-Google-Smtp-Source: ABdhPJxiLSDl+GYthv3EgiMjLKRKu4pJieC1on7OR2/hkTampkC7rGEDuzj9Qq3K9G8gyigziC/xxA== X-Received: by 2002:a17:90b:4014:: with SMTP id ie20mr9779827pjb.146.1634850369941; Thu, 21 Oct 2021 14:06:09 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id g7sm5981670pgp.17.2021.10.21.14.06.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Oct 2021 14:06:09 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 39/48] tcg/optimize: Expand fold_mulu2_i32 to all 4-arg multiplies Date: Thu, 21 Oct 2021 14:05:30 -0700 Message-Id: <20211021210539.825582-40-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211021210539.825582-1-richard.henderson@linaro.org> References: <20211021210539.825582-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1029; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1029.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 Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Rename to fold_multiply2, and handle muls2_i32, mulu2_i64, and muls2_i64. Signed-off-by: Richard Henderson --- tcg/optimize.c | 44 +++++++++++++++++++++++++++++++++++--------- 1 file changed, 35 insertions(+), 9 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index f0086ee789..efd5f58137 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1398,19 +1398,44 @@ static bool fold_multiply(OptContext *ctx, TCGOp *op) return false; } -static bool fold_mulu2_i32(OptContext *ctx, TCGOp *op) +static bool fold_multiply2(OptContext *ctx, TCGOp *op) { if (arg_is_const(op->args[2]) && arg_is_const(op->args[3])) { - uint32_t a = arg_info(op->args[2])->val; - uint32_t b = arg_info(op->args[3])->val; - uint64_t r = (uint64_t)a * b; + uint64_t a = arg_info(op->args[2])->val; + uint64_t b = arg_info(op->args[3])->val; + uint64_t h, l; TCGArg rl, rh; - TCGOp *op2 = tcg_op_insert_before(ctx->tcg, op, INDEX_op_mov_i32); + TCGOp *op2; + + switch (op->opc) { + case INDEX_op_mulu2_i32: + l = (uint64_t)(uint32_t)a * (uint32_t)b; + h = (int32_t)(l >> 32); + l = (int32_t)l; + break; + case INDEX_op_muls2_i32: + l = (int64_t)(int32_t)a * (int32_t)b; + h = l >> 32; + l = (int32_t)l; + break; + case INDEX_op_mulu2_i64: + mulu64(&l, &h, a, b); + break; + case INDEX_op_muls2_i64: + muls64(&l, &h, a, b); + break; + default: + g_assert_not_reached(); + } rl = op->args[0]; rh = op->args[1]; - tcg_opt_gen_movi(ctx, op, rl, (int32_t)r); - tcg_opt_gen_movi(ctx, op2, rh, (int32_t)(r >> 32)); + + /* The proper opcode is supplied by tcg_opt_gen_mov. */ + op2 = tcg_op_insert_before(ctx->tcg, op, 0); + + tcg_opt_gen_movi(ctx, op, rl, l); + tcg_opt_gen_movi(ctx, op2, rh, h); return true; } return false; @@ -1910,8 +1935,9 @@ void tcg_optimize(TCGContext *s) CASE_OP_32_64(muluh): done = fold_multiply(&ctx, op); break; - case INDEX_op_mulu2_i32: - done = fold_mulu2_i32(&ctx, op); + CASE_OP_32_64(muls2): + CASE_OP_32_64(mulu2): + done = fold_multiply2(&ctx, op); break; CASE_OP_32_64(nand): done = fold_nand(&ctx, op); -- 2.25.1