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 X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 848D7C4338F for ; Wed, 25 Aug 2021 13:18:03 +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 52306610A6 for ; Wed, 25 Aug 2021 13:18:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 52306610A6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=amsat.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:38360 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mIsn4-0003MI-Fm for qemu-devel@archiver.kernel.org; Wed, 25 Aug 2021 09:18:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51122) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mIsZg-0002tO-JB for qemu-devel@nongnu.org; Wed, 25 Aug 2021 09:04:13 -0400 Received: from mail-wm1-x335.google.com ([2a00:1450:4864:20::335]:53199) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mIsZf-0002t8-4Q for qemu-devel@nongnu.org; Wed, 25 Aug 2021 09:04:12 -0400 Received: by mail-wm1-x335.google.com with SMTP id f10so14961496wml.2 for ; Wed, 25 Aug 2021 06:04:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=YqJT0Fe/p9d6kMQvfyYHlMwUslWVnfzG0wkISYe1e7Q=; b=cfNUtn2Q9e4GA62oP+dPY67nxv7JRdn7Pp2GsIAsbhMDlX7gn+vhVootIi5gYiOfp6 nKKs9WJiGF9E78HZ34jfLCDwZj1Ubi2PQJF5vjq9fkQ8ijK5tv1dyowPyERs+NlcaADm tW3SghczqVJ77wAClwPf+11OeK5/3SdsFnUxavZ4iLytdo15+MexSN3WNAAarH3w2tqA 4Fx2PSj1MYNCKKlHrLRS3NLQ5YqnZ6KTs0hGjbIi4pCsFWpbCr+qnHuu1E0T/jE2PbZn 33RTCTWcO/0T7UrQ5z2KKjHtXv4Uyggu1uG4V4cu4Usi+Rz2TdxCOAG5sYXOMLn7YCsM Mg/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=YqJT0Fe/p9d6kMQvfyYHlMwUslWVnfzG0wkISYe1e7Q=; b=gvdKOcfMUWG31WvF+/F3gSrOLyvAHrw5Z3gE1MH5t2zB0aOVDwS8C3EIdgiinPEC9i CVYi1lhS1li/1gmYe3BfBdONQ87tcmniRFdZUG1p2TIfKh2mBQkCsChB+glmOvIcVjSK rgC6H4L8X7+Ws3s3E7XBjRy2LdpIWTliFYibnd6zmlCWVuKt4coehxqBO0QNiRbEoZwb WPyJ+mP106AJwRaroUPu/1NjvaPyUBiNgZ4iGj10tzWOpa2kC7jMFYR+rIc6dYHbY0r8 WJpgd2dZ91gi6yTqshN8fr5FG96xVx47V6hqTn1IADbrs64fCcATt9wBwu89dy9istU1 TVHw== X-Gm-Message-State: AOAM531d7CO4HIlKrVEsdEn/4n7bTs54QJMXv+7g0gfSNGhsl5aQaABz b5kFkhwVzWSLGLdgS9apjAHff9atoe4= X-Google-Smtp-Source: ABdhPJynRXRPSd8wWM1Cgd5VR1zx4nvKVXMEH6a/UAvdObKGDRTxAijooZAVWll1tjsBK2cREcSadQ== X-Received: by 2002:a1c:27c2:: with SMTP id n185mr8946330wmn.20.1629896649497; Wed, 25 Aug 2021 06:04:09 -0700 (PDT) Received: from x1w.. (163.red-83-52-55.dynamicip.rima-tde.net. [83.52.55.163]) by smtp.gmail.com with ESMTPSA id 11sm5335283wmi.15.2021.08.25.06.04.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Aug 2021 06:04:09 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 25/28] target/mips: Replace GET_LMASK() macro by get_lmask(32) function Date: Wed, 25 Aug 2021 15:02:08 +0200 Message-Id: <20210825130211.1542338-26-f4bug@amsat.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210825130211.1542338-1-f4bug@amsat.org> References: <20210825130211.1542338-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::335; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-x335.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Aurelien Jarno , Aleksandar Rikalo , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The target endianess information is stored in the BigEndian bit of the Config0 register in CP0. Replace the GET_LMASK() macro by an inlined get_lmask() function, passing CPUMIPSState and the word size as argument. We can remove one use of the TARGET_WORDS_BIGENDIAN definition. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20210818215517.2560994-3-f4bug@amsat.org> --- target/mips/tcg/ldst_helper.c | 32 +++++++++++++++++++++----------- 1 file changed, 21 insertions(+), 11 deletions(-) diff --git a/target/mips/tcg/ldst_helper.c b/target/mips/tcg/ldst_helper.c index 8d1dfea6766..054459703aa 100644 --- a/target/mips/tcg/ldst_helper.c +++ b/target/mips/tcg/ldst_helper.c @@ -57,30 +57,39 @@ static inline bool cpu_is_bigendian(CPUMIPSState *env) return extract32(env->CP0_Config0, CP0C0_BE, 1); } -#ifdef TARGET_WORDS_BIGENDIAN -#define GET_LMASK(v) ((v) & 3) -#else -#define GET_LMASK(v) (((v) & 3) ^ 3) -#endif +static inline target_ulong get_lmask(CPUMIPSState *env, + target_ulong value, unsigned bits) +{ + unsigned mask = (bits / BITS_PER_BYTE) - 1; + + value &= mask; + + if (!cpu_is_bigendian(env)) { + value ^= mask; + } + + return value; +} void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2, int mem_idx) { + target_ulong lmask = get_lmask(env, arg2, 32); int dir = cpu_is_bigendian(env) ? 1 : -1; cpu_stb_mmuidx_ra(env, arg2, (uint8_t)(arg1 >> 24), mem_idx, GETPC()); - if (GET_LMASK(arg2) <= 2) { + if (lmask <= 2) { cpu_stb_mmuidx_ra(env, arg2 + 1 * dir, (uint8_t)(arg1 >> 16), mem_idx, GETPC()); } - if (GET_LMASK(arg2) <= 1) { + if (lmask <= 1) { cpu_stb_mmuidx_ra(env, arg2 + 2 * dir, (uint8_t)(arg1 >> 8), mem_idx, GETPC()); } - if (GET_LMASK(arg2) == 0) { + if (lmask == 0) { cpu_stb_mmuidx_ra(env, arg2 + 3 * dir, (uint8_t)arg1, mem_idx, GETPC()); } @@ -89,21 +98,22 @@ void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2, void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2, int mem_idx) { + target_ulong lmask = get_lmask(env, arg2, 32); int dir = cpu_is_bigendian(env) ? 1 : -1; cpu_stb_mmuidx_ra(env, arg2, (uint8_t)arg1, mem_idx, GETPC()); - if (GET_LMASK(arg2) >= 1) { + if (lmask >= 1) { cpu_stb_mmuidx_ra(env, arg2 - 1 * dir, (uint8_t)(arg1 >> 8), mem_idx, GETPC()); } - if (GET_LMASK(arg2) >= 2) { + if (lmask >= 2) { cpu_stb_mmuidx_ra(env, arg2 - 2 * dir, (uint8_t)(arg1 >> 16), mem_idx, GETPC()); } - if (GET_LMASK(arg2) == 3) { + if (lmask == 3) { cpu_stb_mmuidx_ra(env, arg2 - 3 * dir, (uint8_t)(arg1 >> 24), mem_idx, GETPC()); } -- 2.31.1