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 0B34EC433F5 for ; Fri, 24 Sep 2021 17:44:02 +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 A587D61260 for ; Fri, 24 Sep 2021 17:44:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A587D61260 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xen0n.name Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:41938 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mTpEu-0003o8-Qt for qemu-devel@archiver.kernel.org; Fri, 24 Sep 2021 13:44:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52688) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mToyX-00078f-Ah for qemu-devel@nongnu.org; Fri, 24 Sep 2021 13:27:05 -0400 Received: from [115.28.160.31] (port=41476 helo=mailbox.box.xen0n.name) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mToyV-0004de-AO for qemu-devel@nongnu.org; Fri, 24 Sep 2021 13:27:05 -0400 Received: from ld50.lan (unknown [101.88.29.172]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by mailbox.box.xen0n.name (Postfix) with ESMTPSA id 0B28460B1B; Sat, 25 Sep 2021 01:26:59 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1632504419; bh=L7QHs4ma2NvUZp4JTt8Qy6BtOvAhqAdiCA9cTXSpYbo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=spl9I5GKehvzWrXIT1vqhdda3Vo5Dn1RFKr7hans/AM8xfphSGzrc7Gvyc3Xm4Peh OyAlwpl8/NkFCl6RnO0UFVnZzRnSmiZxUdc66RUszMKpMgCKjQ872dFIyjwe2H1TnW Z+tpTgHWny0lQeWZ/961b2f8ztnnbFcNJgONUjY4= From: WANG Xuerui To: qemu-devel@nongnu.org Subject: [PATCH v5 14/30] tcg/loongarch64: Implement bswap{16,32,64} ops Date: Sat, 25 Sep 2021 01:25:11 +0800 Message-Id: <20210924172527.904294-15-git@xen0n.name> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210924172527.904294-1-git@xen0n.name> References: <20210924172527.904294-1-git@xen0n.name> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 115.28.160.31 (failed) Received-SPF: pass client-ip=115.28.160.31; envelope-from=git@xen0n.name; helo=mailbox.box.xen0n.name 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, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: WANG Xuerui , Peter Maydell , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Laurent Vivier Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: WANG Xuerui Reviewed-by: Richard Henderson --- tcg/loongarch64/tcg-target.c.inc | 32 ++++++++++++++++++++++++++++++++ tcg/loongarch64/tcg-target.h | 10 +++++----- 2 files changed, 37 insertions(+), 5 deletions(-) diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc index c9554936fc..51f0e3b1f1 100644 --- a/tcg/loongarch64/tcg-target.c.inc +++ b/tcg/loongarch64/tcg-target.c.inc @@ -517,6 +517,33 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, tcg_out_opc_bstrins_d(s, a0, a2, args[3], args[3] + args[4] - 1); break; + case INDEX_op_bswap16_i32: + case INDEX_op_bswap16_i64: + tcg_out_opc_revb_2h(s, a0, a1); + if (a2 & TCG_BSWAP_OS) { + tcg_out_ext16s(s, a0, a0); + } else if ((a2 & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) { + tcg_out_ext16u(s, a0, a0); + } + break; + + case INDEX_op_bswap32_i32: + /* All 32-bit values are computed sign-extended in the register. */ + a2 = TCG_BSWAP_OS; + /* fallthrough */ + case INDEX_op_bswap32_i64: + tcg_out_opc_revb_2w(s, a0, a1); + if (a2 & TCG_BSWAP_OS) { + tcg_out_ext32s(s, a0, a0); + } else if ((a2 & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) { + tcg_out_ext32u(s, a0, a0); + } + break; + + case INDEX_op_bswap64_i64: + tcg_out_opc_revb_d(s, a0, a1); + break; + case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ case INDEX_op_mov_i64: default: @@ -548,6 +575,11 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op) case INDEX_op_not_i64: case INDEX_op_extract_i32: case INDEX_op_extract_i64: + case INDEX_op_bswap16_i32: + case INDEX_op_bswap16_i64: + case INDEX_op_bswap32_i32: + case INDEX_op_bswap32_i64: + case INDEX_op_bswap64_i64: return C_O1_I1(r, r); case INDEX_op_andc_i32: diff --git a/tcg/loongarch64/tcg-target.h b/tcg/loongarch64/tcg-target.h index 084d635a8e..02d17d2f6d 100644 --- a/tcg/loongarch64/tcg-target.h +++ b/tcg/loongarch64/tcg-target.h @@ -111,8 +111,8 @@ typedef enum { #define TCG_TARGET_HAS_ext16s_i32 1 #define TCG_TARGET_HAS_ext8u_i32 1 #define TCG_TARGET_HAS_ext16u_i32 1 -#define TCG_TARGET_HAS_bswap16_i32 0 -#define TCG_TARGET_HAS_bswap32_i32 0 +#define TCG_TARGET_HAS_bswap16_i32 1 +#define TCG_TARGET_HAS_bswap32_i32 1 #define TCG_TARGET_HAS_not_i32 1 #define TCG_TARGET_HAS_neg_i32 0 #define TCG_TARGET_HAS_andc_i32 1 @@ -146,9 +146,9 @@ typedef enum { #define TCG_TARGET_HAS_ext8u_i64 1 #define TCG_TARGET_HAS_ext16u_i64 1 #define TCG_TARGET_HAS_ext32u_i64 1 -#define TCG_TARGET_HAS_bswap16_i64 0 -#define TCG_TARGET_HAS_bswap32_i64 0 -#define TCG_TARGET_HAS_bswap64_i64 0 +#define TCG_TARGET_HAS_bswap16_i64 1 +#define TCG_TARGET_HAS_bswap32_i64 1 +#define TCG_TARGET_HAS_bswap64_i64 1 #define TCG_TARGET_HAS_not_i64 1 #define TCG_TARGET_HAS_neg_i64 0 #define TCG_TARGET_HAS_andc_i64 1 -- 2.33.0