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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id EF4C1C433EF for ; Sat, 8 Jan 2022 07:12:17 +0000 (UTC) Received: from localhost ([::1]:60726 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n65tg-0002IZ-Rm for qemu-devel@archiver.kernel.org; Sat, 08 Jan 2022 02:12:16 -0500 Received: from eggs.gnu.org ([209.51.188.92]:58188) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n65Lf-0005i9-5W for qemu-devel@nongnu.org; Sat, 08 Jan 2022 01:37:09 -0500 Received: from [2607:f8b0:4864:20::42f] (port=39589 helo=mail-pf1-x42f.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1n65Lc-00049B-QA for qemu-devel@nongnu.org; Sat, 08 Jan 2022 01:37:06 -0500 Received: by mail-pf1-x42f.google.com with SMTP id s15so7086484pfk.6 for ; Fri, 07 Jan 2022 22:37:04 -0800 (PST) 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=APMyiBbMfTnvrByjN9FXgMAg/ptb1gS5tnwqgT0NITM=; b=Nc7LM3r+QxnF1xD/qeyvVsh0T1IyzObZ6wO8mvCw671nRdSygDXudC2YyLHrrAkZpV 0ihMzhWS3mrg+8C6eCVtzxkhyJe3r1dqKhFnP3o5q11Z3OcU2XousGPAcr9IMcSvWdsU NeFK/MD5YyyfUFK7UjKkUVNEG7mN461GRnNxM0aIrAQyL3DiqthvI40vN4rLLm6D2te2 jUOo8Vp0YSg0dqZtvkirOGoN0TGoqhNvfZYQWQCUs6EwOKeBMOzMuUH46aUck0+AXNnB 70/gut37W7b3tSxHGR/aeBlFsM7QQx8GCnbh69JDlRNIhUgSf/YFFGfvgQzqiceN2LuK 7dYQ== 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=APMyiBbMfTnvrByjN9FXgMAg/ptb1gS5tnwqgT0NITM=; b=J0rEtL5D6h9Im0LI2IynjijQNcEFOr2yWJNJQeBGYDrUcTiL9k/cJ5bcz8uTbzmmV3 41xEnIca/RbVfixputG+NLOOrx8jK2Uoxs5bc0cpNF+IwPfTHNLIA0RQxKzUAh1V5phW p4NWOebYSKjAMqQrzARhyHkUeKCacq5D0VDb+zPMTQIUHgxL1w/yNubq3FWS2QP7ij8U IP61pRoAB9epe1TVcmwHP5Hw+gg1JbaRAsyXYnZ5GQ8gxEVn88rrsRezrKUAPmOvih0w BFKwK2hKSZ0DKSDdaxFClRm1zEVfxeursaSqgjRfMwBr1iDeqOUUTb5QsyaF5tK6bJnT cnbQ== X-Gm-Message-State: AOAM5304gf8ag4sZisGpaRyzrbB1EsWjadntwOmGVHQJSs0iFJVb1quL Vpb821WwwwCwfiMpPQ7em+I/O3HBOx7hPw== X-Google-Smtp-Source: ABdhPJyYVwc41DamJTDCLhOl4Gj9ZcWeCFz9GuTr5COO05YiayQzLgNtglDpZ6MSMTIBVYh+siWyZw== X-Received: by 2002:a63:1422:: with SMTP id u34mr59839850pgl.135.1641623823254; Fri, 07 Jan 2022 22:37:03 -0800 (PST) Received: from localhost.localdomain (174-21-75-75.tukw.qwest.net. [174.21.75.75]) by smtp.gmail.com with ESMTPSA id z4sm840954pfh.215.2022.01.07.22.37.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Jan 2022 22:37:02 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v4 11/12] tcg/mips: Try tb-relative addresses in tcg_out_movi Date: Fri, 7 Jan 2022 22:36:43 -0800 Message-Id: <20220108063644.478043-12-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220108063644.478043-1-richard.henderson@linaro.org> References: <20220108063644.478043-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::42f (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::42f; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42f.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: , Cc: f4bug@amsat.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" These addresses are often loaded by the qemu_ld/st slow path, for loading the retaddr value. Signed-off-by: Richard Henderson --- tcg/mips/tcg-target.c.inc | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc index e967f62869..a128c70154 100644 --- a/tcg/mips/tcg-target.c.inc +++ b/tcg/mips/tcg-target.c.inc @@ -582,6 +582,8 @@ static void tcg_out_movi_pool(TCGContext *s, TCGReg ret, static void tcg_out_movi_int(TCGContext *s, TCGType type, TCGReg ret, tcg_target_long arg, TCGReg tbreg) { + tcg_target_long tmp; + if (TCG_TARGET_REG_BITS == 64 && type == TCG_TYPE_I32) { arg = (int32_t)arg; } @@ -592,6 +594,17 @@ static void tcg_out_movi_int(TCGContext *s, TCGType type, TCGReg ret, } assert(TCG_TARGET_REG_BITS == 64); + /* Load addresses within 2GB of TB with 1 or 3 insns. */ + tmp = tcg_tbrel_diff(s, (void *)arg); + if (tmp == (int16_t)tmp) { + tcg_out_opc_imm(s, OPC_DADDIU, ret, tbreg, tmp); + return; + } + if (tcg_out_movi_two(s, ret, tmp)) { + tcg_out_opc_reg(s, OPC_DADDU, ret, ret, tbreg); + return; + } + /* Otherwise, put 64-bit constants into the constant pool. */ tcg_out_movi_pool(s, ret, arg, tbreg); } -- 2.25.1