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 6B43DC4320A for ; Thu, 19 Aug 2021 09:16:39 +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 2F8AF610FE for ; Thu, 19 Aug 2021 09:16:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 2F8AF610FE 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]:34612 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mGeAA-0000PX-AL for qemu-devel@archiver.kernel.org; Thu, 19 Aug 2021 05:16:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43206) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mGdzM-0006K8-J5 for qemu-devel@nongnu.org; Thu, 19 Aug 2021 05:05:28 -0400 Received: from mail-pf1-x432.google.com ([2607:f8b0:4864:20::432]:46034) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mGdzK-0000HY-OJ for qemu-devel@nongnu.org; Thu, 19 Aug 2021 05:05:28 -0400 Received: by mail-pf1-x432.google.com with SMTP id t42so2307581pfg.12 for ; Thu, 19 Aug 2021 02:05:26 -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=gHsQub6dgXk5izfZm4KxXE3aZtQVWz9lmDcpviRGa+c=; b=wc3A+W/cQVuGQQWYoReaH6MuuPJ1gg6OIvxiI7d9BYlGvPZi4gzRXQo24FUgAj2Zv8 4EfC7FMCxScLfCD8ROhAhrNmkeAHN0XhRvT8H5CYAB0+Wtj7JRY5P1ysG+S0cOaFbP2+ FZXpx/Yjr2Y8/YwD+xlMWIxxt7SAXqyhKQtzwaLYmXRWHDD7tkkvUZAY0Avphfm730YA wkOrtcgWywRH5Il5AzLcihWYwO51ayZom/hgcI1iNW7IoDpF/epZpNFSQ+jzCSBcRAI8 Q6lszIJeH5JHja0lER6kyR2BlYdT8AujNzdtFdEL19pfeiwerFAaVTUWrJbxQMvyLwTQ tiuA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=gHsQub6dgXk5izfZm4KxXE3aZtQVWz9lmDcpviRGa+c=; b=h+mFcRXPLrVVpC+nczJA9BUSSxFoiqdcbBCZqxXHIIH2VrYN6l8s/aYlch0hYE808g xAMyR7f9xf7q4/bj6BHrxA3WtRRlbGBaV4Hl6loXbBVW60GsDu/Gw+OJNtYqaVEjQwsr tTWE86NnPsMknpG0P9C7CMiDuYx68rCTZ9I+VeE0GvZbxv+u4NK/OKXhRzS7ylIQz1oy JxiozWeVoofL8VN35Xz6cQDQOqaUHYKKFGYLkoBlEDRsqP88GB5UXGEm7H/FpTjNPA/g 9rv9svTCGKC0g82VKWI3bhgXPNM7UzLvIRvXUCsqk79e91+esakdkzlfVSTF8vHpTA5m GQqw== X-Gm-Message-State: AOAM53296EB01DLSIvI9DZFEc11Vvsnvmb9747pnabdSqNp++eEzArbx 4kERSiNuIypPWlxccCp8ppwUZCB001apgQ== X-Google-Smtp-Source: ABdhPJyK2f8mitfYFqTvgLtWlpcsM2P+6ud7BnW24mei6n2OCOoHAtvXbzHkuR8gD9w38tguaDntsQ== X-Received: by 2002:a05:6a00:23ca:b0:3e1:2d8:33f3 with SMTP id g10-20020a056a0023ca00b003e102d833f3mr13924264pfc.42.1629363925450; Thu, 19 Aug 2021 02:05:25 -0700 (PDT) Received: from localhost.localdomain ([173.197.107.15]) by smtp.gmail.com with ESMTPSA id j13sm2944707pgp.29.2021.08.19.02.05.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Aug 2021 02:05:25 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 12/21] target/riscv: Add gen_greviw Date: Wed, 18 Aug 2021 23:04:53 -1000 Message-Id: <20210819090502.428068-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210819090502.428068-1-richard.henderson@linaro.org> References: <20210819090502.428068-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::432; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x432.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: alistair.francis@wdc.com, bin.meng@windriver.com, qemu-riscv@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Replicate the bswap special case from gen_grevi for the word-sized operation. Signed-off-by: Richard Henderson --- target/riscv/insn_trans/trans_rvb.c.inc | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_trans/trans_rvb.c.inc index b97c3ca5da..af7694ed29 100644 --- a/target/riscv/insn_trans/trans_rvb.c.inc +++ b/target/riscv/insn_trans/trans_rvb.c.inc @@ -568,12 +568,24 @@ static bool trans_grevw(DisasContext *ctx, arg_grevw *a) return gen_shift(ctx, a, EXT_ZERO, gen_helper_grev); } +static void gen_greviw(TCGv dest, TCGv src, target_long shamt) +{ +#if TARGET_LONG_BITS == 64 + if (shamt == 32 - 8) { + /* rev4, byte swaps */ + tcg_gen_bswap32_i64(dest, src, TCG_BSWAP_IZ | TCG_BSWAP_OS); + return; + } +#endif + gen_helper_grev(dest, src, tcg_constant_tl(shamt)); +} + static bool trans_greviw(DisasContext *ctx, arg_greviw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); ctx->w = true; - return gen_shift_imm_tl(ctx, a, EXT_ZERO, gen_helper_grev); + return gen_shift_imm_fn(ctx, a, EXT_ZERO, gen_greviw); } static bool trans_gorcw(DisasContext *ctx, arg_gorcw *a) -- 2.25.1