From nobody Sun Sep 28 16:59:02 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1756381173; cv=none; d=zohomail.com; s=zohoarc; b=RB1OgWGRhOjetuO438n2cVhNzYPMnJYP/PrvUVquRcMtoSeE3wtP89O0xJR78VGp7mbmd6DZHInRKfH/6rqgHNoTcLiSJNEsTIG/EIAxCRqTiuwgOMG/dorwQf4HcZnTih86yMO0zDO9UhOQUFmPY51MEDUbhAClhrvzNOXc+mA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1756381173; h=Content-Transfer-Encoding:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To:Cc; bh=9rv5evHq+vjKZvOo6i0wNloSfFYxnuEPBkxKdkW8gSk=; b=lWIOE9VTiQW8bztrHjAOSGVyvutStRkPKIVb/9QsHru7HDokHqixLkgWz4Ce/qgDOJyOY6vcoaXO2qnXIW3SHhT8P/HCSVfB/8c65EwxZu2RQ4ibXCz9eecLoBlR9d/DgeK2ULoOP6NoLdJzCs1/rIbkEoYcpDr9mv8seyj5WGg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1756381173170248.4107270541184; Thu, 28 Aug 2025 04:39:33 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1urau3-0003LG-LW; Thu, 28 Aug 2025 07:34:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uratz-0003Gs-BX for qemu-devel@nongnu.org; Thu, 28 Aug 2025 07:34:47 -0400 Received: from mail-wm1-x32f.google.com ([2a00:1450:4864:20::32f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1uratx-0005hO-5w for qemu-devel@nongnu.org; Thu, 28 Aug 2025 07:34:46 -0400 Received: by mail-wm1-x32f.google.com with SMTP id 5b1f17b1804b1-45b7d485204so1575245e9.0 for ; Thu, 28 Aug 2025 04:34:44 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45b79799c33sm28691015e9.5.2025.08.28.04.34.42 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Aug 2025 04:34:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1756380883; x=1756985683; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=9rv5evHq+vjKZvOo6i0wNloSfFYxnuEPBkxKdkW8gSk=; b=BiI9Ryov44Zy82sONzBcKN54Ju7z8WfGuwV5STgfF/GX6SSxdMDOkG5tLhvNaQbfqF w/D+9htgdNrxDW3wig4RI7jAls9uhidRxet9MPzMvl+X7taThHQWslSgIRCSpX16Kngu bkjp+0DMdzt8BBrXkfHNpUD9HZQlLTSyjzJhg0WM4o+8yTx5W2hWOY4ndXECQU6PCylp IBLqEg91zu7sBVBkp7GH1arP67zol1ikMdSnSq1DuMUHDQU/6CQ3CQvYucMgP0kaKOCU sdAN3vGVQtbSACGeqSpVedfp0gdImMVYT78lmkoEY2URJQ48B51X7TBpUab5UaUSs9dJ bh6A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756380883; x=1756985683; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=9rv5evHq+vjKZvOo6i0wNloSfFYxnuEPBkxKdkW8gSk=; b=W/SZRQqj4w5SbZtO2mjzWjfLdlU89nHFjlPa8AYlA7YSpwyZSg11c4pOtPgV9wWDFe KFO23W76s3H/ucjKmnqdlodm3HYvq8raizw27X1k3qW8/oDaZF2JkG0ba/rDEL4Im14w 3aNBA46ZYkgfZISGW9HAILakM/vvUKLhg6ikYpqxiVFq2c0Knkq6YWF3vnSo3+lRCSrw qkWVBP30srtgWkN2bEdJSOhQBmCC55oRY8LPMCuHzLjgGDR1yxGUC6LJpkmvVQ9erjuZ VB0X7QOsP4zz1nVpRsB7kErODpqu6TTV6PP0omuAvI9BGaU686/3No6gNbha+mUGRhxu G3NQ== X-Gm-Message-State: AOJu0YxwGZGIj/6ukyUzQLw+4qVA8NFnussTqfWE10uXJtVcf23ie6VF 8ZM6LxnNBW2I8zwFQce0KLpOUvc4wG8v5mdHSx/3dwUEDw24w5X1NJe8a+pI+pscf9w+5aNpbEI 4xqUo X-Gm-Gg: ASbGncuwHq7cHNDW/vVHFNlnaLFMcwCt8L6VA6IS8rpKNP9uN6a03yy9IL3PaqhsRY7 rpIQ3BA19Pti7LE4DQxRZrRH1/OWoUYH5P8H106xiPxymjlfERDIaGbz13Jhc5n2fCrjvoZsTDo ZVHvl7LKvkGS7C4PBoTh9edNgkfts/dSPUfwD+xrAbx5xG25RaJgKQ1GtRHIvykMxTZWCEFsL4C 8vGrtIYh0/RtUpQkJaHeea3YyfV/vaYV+bO6VKDb+u2L8uKRyMzdPfY0XAof3Zam3TDygmiltb4 7MT5LQEG89Hx4jh+hsyfT2YKOZWewOESoSZtfHneaRaogXDs2R/3ZkYKyhvgV3GlDLdq8PmRr/c Z7cz1ooYY/9i98Kxeua3vqmRvJdrXCKq0BwhUh7DXLiZoeN0dmA== X-Google-Smtp-Source: AGHT+IGTdTRweGagzdZ13NT2qbQTj+E4X8+5zJWCCNScCnRWGNrlqPbhUh60EbBjdGSQwEaIKVuypQ== X-Received: by 2002:a05:600c:4ecf:b0:459:d3ce:2cea with SMTP id 5b1f17b1804b1-45b5179947cmr232275815e9.6.1756380883235; Thu, 28 Aug 2025 04:34:43 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 09/32] target/arm: Implement MIN/MAX (immediate) Date: Thu, 28 Aug 2025 12:34:06 +0100 Message-ID: <20250828113430.3214314-10-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250828113430.3214314-1-peter.maydell@linaro.org> References: <20250828113430.3214314-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32f; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32f.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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1756381175308124100 Content-Type: text/plain; charset="utf-8" From: Richard Henderson Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell Message-id: 20250803014019.416797-3-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/tcg/a64.decode | 10 ++++++++ target/arm/tcg/translate-a64.c | 44 ++++++++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+) diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 8c798cde2b4..c1811b02747 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -156,6 +156,16 @@ MOVZ . 10 100101 .. ................ ..... = @movw_32 MOVK . 11 100101 .. ................ ..... @movw_64 MOVK . 11 100101 .. ................ ..... @movw_32 =20 +# Min/Max (immediate) + +@minmaxi_s sf:1 .. ........... imm:s8 rn:5 rd:5 &rri_sf +@minmaxi_u sf:1 .. ........... imm:8 rn:5 rd:5 &rri_sf + +SMAX_i . 00 1000111 0000 ........ ..... ..... @minmaxi_s +SMIN_i . 00 1000111 0010 ........ ..... ..... @minmaxi_s +UMAX_i . 00 1000111 0001 ........ ..... ..... @minmaxi_u +UMIN_i . 00 1000111 0011 ........ ..... ..... @minmaxi_u + # Bitfield =20 &bitfield rd rn sf immr imms diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index dbf47595dbe..b70ae5befd2 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -4552,6 +4552,50 @@ TRANS(SUB_i, gen_rri, a, 1, 1, tcg_gen_sub_i64) TRANS(ADDS_i, gen_rri, a, 0, 1, a->sf ? gen_add64_CC : gen_add32_CC) TRANS(SUBS_i, gen_rri, a, 0, 1, a->sf ? gen_sub64_CC : gen_sub32_CC) =20 +/* + * Min/Max (immediate) + */ + +static void gen_wrap3_i32(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, NeonGenTwoOp= Fn fn) +{ + TCGv_i32 t1 =3D tcg_temp_new_i32(); + TCGv_i32 t2 =3D tcg_temp_new_i32(); + + tcg_gen_extrl_i64_i32(t1, n); + tcg_gen_extrl_i64_i32(t2, m); + fn(t1, t1, t2); + tcg_gen_extu_i32_i64(d, t1); +} + +static void gen_smax32_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m) +{ + gen_wrap3_i32(d, n, m, tcg_gen_smax_i32); +} + +static void gen_smin32_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m) +{ + gen_wrap3_i32(d, n, m, tcg_gen_smin_i32); +} + +static void gen_umax32_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m) +{ + gen_wrap3_i32(d, n, m, tcg_gen_umax_i32); +} + +static void gen_umin32_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m) +{ + gen_wrap3_i32(d, n, m, tcg_gen_umin_i32); +} + +TRANS_FEAT(SMAX_i, aa64_cssc, gen_rri, a, 0, 0, + a->sf ? tcg_gen_smax_i64 : gen_smax32_i64) +TRANS_FEAT(SMIN_i, aa64_cssc, gen_rri, a, 0, 0, + a->sf ? tcg_gen_smin_i64 : gen_smin32_i64) +TRANS_FEAT(UMAX_i, aa64_cssc, gen_rri, a, 0, 0, + a->sf ? tcg_gen_umax_i64 : gen_umax32_i64) +TRANS_FEAT(UMIN_i, aa64_cssc, gen_rri, a, 0, 0, + a->sf ? tcg_gen_umin_i64 : gen_umin32_i64) + /* * Add/subtract (immediate, with tags) */ --=20 2.43.0