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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 0D91FC4743C for ; Mon, 21 Jun 2021 23:27:45 +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 BE34361245 for ; Mon, 21 Jun 2021 23:27:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BE34361245 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:56328 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lvTKR-0003SQ-UD for qemu-devel@archiver.kernel.org; Mon, 21 Jun 2021 19:27:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41762) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lvTC2-0000hp-CD for qemu-devel@nongnu.org; Mon, 21 Jun 2021 19:19:02 -0400 Received: from mail-pj1-x102d.google.com ([2607:f8b0:4864:20::102d]:52066) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lvTBz-0005x9-Qy for qemu-devel@nongnu.org; Mon, 21 Jun 2021 19:19:02 -0400 Received: by mail-pj1-x102d.google.com with SMTP id k5so10888233pjj.1 for ; Mon, 21 Jun 2021 16:18:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=OHRTImoqpKp6fFDt3CyDGrFLOR/qjHMTu9RJ5HP1ryg=; b=rw0/jKZ4lnEG0n/qvgusIqqL2O7i31GK7S25om/r7WzoXQXECFXouBQjVSP5ycv6bg X2BHFmHzSI0LK5VGvxumVvalvgQtrqGcRdLmrz/JrRnBzCyZFgSMCXj+R1zB8ggC90hz taAsqa/EUddd6dfXFB/9k/h+k7UJ/xPFfrSdpqQ7MWz6AmXehkIUeMLpOwgNw96LQqc8 D+YiBD9gGArAhwWYOcpSA6WqqU84CXpqx2Bj93SS3x1uksEovnefOg7JClS+KeTws9J7 z3Dqh3dZvT53MlkLM7j036iuc1QoCHuQgy4VSk6snuc4NoeuEx33yG6O421SfXLpG7UB 8NVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=OHRTImoqpKp6fFDt3CyDGrFLOR/qjHMTu9RJ5HP1ryg=; b=e++9nEeESVDSSU1fAFrhVGoB2gzWdwMSchB0TmXTGXUh4dUi8YsoDttsZ4ouRWeBUs B+CVFjgvfQMNRUtoAgAIelMF+BmMn9tO36KI1X3+a0s7GnKP62RQtbuGLwlK+e/ZuE6L KhN4xFiJA41M3fPd7mAUm1ydyrFx0G/3hZhJbIMQ3IfpZcSx8U6x0+NjluwZ6vxfms9v tPyx1ZW2N30AGthUqX5XrZj110+C0jk/YvUpvXlDAIJWnnKC+lfkq0tyZMtUONAUySzI M5JvuGIf8eSIgu1BI4tN6aVEFQ4vVjNNbyCPxWT0aamHNgHgj+Y0e2fBHnEphqrYBYjh hZ3A== X-Gm-Message-State: AOAM5336E55vCYv+LDLOW7JQFJfqTWznKPwIyaXH/UGHb48rOfTmXFHI 8XQpCSmf6TJ3UB1cRieXatotgPxHQonieA== X-Google-Smtp-Source: ABdhPJzk5rPb8M7KibkAhr0lkopAl6ffRgmGSpbfTEUcVKkR6eXvY5zWi4YS6c3axtDwFaCo/nt6Bw== X-Received: by 2002:a17:90a:c384:: with SMTP id h4mr501213pjt.134.1624317538445; Mon, 21 Jun 2021 16:18:58 -0700 (PDT) Received: from localhost.localdomain ([71.212.149.176]) by smtp.gmail.com with ESMTPSA id 135sm14429952pgf.20.2021.06.21.16.18.58 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jun 2021 16:18:58 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 11/29] tcg/ppc: Support bswap flags Date: Mon, 21 Jun 2021 16:18:31 -0700 Message-Id: <20210621231849.1871164-12-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210621231849.1871164-1-richard.henderson@linaro.org> References: <20210621231849.1871164-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::102d; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102d.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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" For INDEX_op_bswap32_i32, pass 0 for flags: input not zero-extended, output does not need extension within the host 64-bit register. Signed-off-by: Richard Henderson --- tcg/ppc/tcg-target.c.inc | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc index da6d10722e..33f0139519 100644 --- a/tcg/ppc/tcg-target.c.inc +++ b/tcg/ppc/tcg-target.c.inc @@ -789,7 +789,7 @@ static inline void tcg_out_sari64(TCGContext *s, TCGReg dst, TCGReg src, int c) tcg_out32(s, SRADI | RA(dst) | RS(src) | SH(c & 0x1f) | ((c >> 4) & 2)); } -static void tcg_out_bswap16(TCGContext *s, TCGReg dst, TCGReg src) +static void tcg_out_bswap16(TCGContext *s, TCGReg dst, TCGReg src, int flags) { TCGReg tmp = dst == src ? TCG_REG_R0 : dst; @@ -804,10 +804,14 @@ static void tcg_out_bswap16(TCGContext *s, TCGReg dst, TCGReg src) /* tmp = dep(tmp, rol32(src, 8), 0x0000ff00) = 000000dc */ tcg_out_rlw(s, RLWIMI, tmp, src, 8, 16, 23); - tcg_out_mov(s, TCG_TYPE_REG, dst, tmp); + if (flags & TCG_BSWAP_OS) { + tcg_out_ext16s(s, dst, tmp); + } else { + tcg_out_mov(s, TCG_TYPE_REG, dst, tmp); + } } -static void tcg_out_bswap32(TCGContext *s, TCGReg dst, TCGReg src) +static void tcg_out_bswap32(TCGContext *s, TCGReg dst, TCGReg src, int flags) { TCGReg tmp = dst == src ? TCG_REG_R0 : dst; @@ -825,7 +829,11 @@ static void tcg_out_bswap32(TCGContext *s, TCGReg dst, TCGReg src) /* tmp = dep(tmp, rol32(src, 24), 0x0000ff00) = 0000dcba */ tcg_out_rlw(s, RLWIMI, tmp, src, 24, 16, 23); - tcg_out_mov(s, TCG_TYPE_REG, dst, tmp); + if (flags & TCG_BSWAP_OS) { + tcg_out_ext32s(s, dst, tmp); + } else { + tcg_out_mov(s, TCG_TYPE_REG, dst, tmp); + } } static void tcg_out_bswap64(TCGContext *s, TCGReg dst, TCGReg src) @@ -2851,11 +2859,13 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, case INDEX_op_bswap16_i32: case INDEX_op_bswap16_i64: - tcg_out_bswap16(s, args[0], args[1]); + tcg_out_bswap16(s, args[0], args[1], args[2]); break; case INDEX_op_bswap32_i32: + tcg_out_bswap32(s, args[0], args[1], 0); + break; case INDEX_op_bswap32_i64: - tcg_out_bswap32(s, args[0], args[1]); + tcg_out_bswap32(s, args[0], args[1], args[2]); break; case INDEX_op_bswap64_i64: tcg_out_bswap64(s, args[0], args[1]); -- 2.25.1