From nobody Sun Nov 24 18:01:48 2024 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=linux.alibaba.com ARC-Seal: i=1; a=rsa-sha256; t=1722583597; cv=none; d=zohomail.com; s=zohoarc; b=OZYOTn4EFc2Fq57M8Qa4LWIsxR9Qpi26UyXoAU6iZWpbBfyl5DqAHlTKDd1iFIEdgoLKVsegHyhluixuEtZ3LJsBoCd+xPOhC1U0sjPHrGqrfy4d/ZisyDc1eoDY1T0CmgR8nx1UFrP5I0zV3cOifmb5rxCdN3eQwsiyVY8WNWE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1722583597; h=Content-Transfer-Encoding:Cc:Cc: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; bh=rxjz7sJXQIsg5N0+kgPoZsATNgNn3J4+Z9catCL6jlk=; b=R/KNhG4+GdiOgGwQjUG/57Z4mNsCVYHs/rEPZ2SXLPx6k2hXj6AgNntzJtMn15aIRNZ18H8zujBjRuVVXeLxrigjmJTOILuPrKvqIijepydKDTF6/5hfajEn4j/qxM2qIKT0WP4HWzg/r7SDIy+J/oX951qanx/tkOXS+a1bdMU= 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 1722583597138855.9706088218048; Fri, 2 Aug 2024 00:26:37 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sZmg5-0001AC-An; Fri, 02 Aug 2024 03:26:18 -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 1sZmfx-0000jh-Im; Fri, 02 Aug 2024 03:26:09 -0400 Received: from out30-99.freemail.mail.aliyun.com ([115.124.30.99]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sZmfv-0002zp-BR; Fri, 02 Aug 2024 03:26:09 -0400 Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@linux.alibaba.com fp:SMTPD_---0WBwcvgv_1722583561) by smtp.aliyun-inc.com; Fri, 02 Aug 2024 15:26:02 +0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1722583562; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=rxjz7sJXQIsg5N0+kgPoZsATNgNn3J4+Z9catCL6jlk=; b=iQnzxllC1LFUnmUG2KP8AvXcjqrjAQUt/NedHI7OGNnEAxFZ5cl6+arDHSBO7bmyGHe7TgTWcdZJpipcUOQjQROJVYqfgi5PpjNMdsImuu2JIIGH+WP6oEYTdechRk5S9CEAO/UbKlYtIUuuyyTtpap0H5qgbZ1tfTIIPMLCWW4= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R151e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033032014031; MF=zhiwei_liu@linux.alibaba.com; NM=1; PH=DS; RN=9; SR=0; TI=SMTPD_---0WBwcvgv_1722583561; From: LIU Zhiwei To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, palmer@dabbelt.com, alistair.francis@wdc.com, dbarboza@ventanamicro.com, liwei1518@gmail.com, bmeng.cn@gmail.com, zhiwei_liu@linux.alibaba.com, richard.henderson@linaro.org Subject: [PATCH v3 2/3] target/riscv: Add MXLEN check for F/D/Q applies to zama16b Date: Fri, 2 Aug 2024 15:24:16 +0800 Message-Id: <20240802072417.659-3-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20240802072417.659-1-zhiwei_liu@linux.alibaba.com> References: <20240802072417.659-1-zhiwei_liu@linux.alibaba.com> 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=115.124.30.99; envelope-from=zhiwei_liu@linux.alibaba.com; helo=out30-99.freemail.mail.aliyun.com X-Spam_score_int: -174 X-Spam_score: -17.5 X-Spam_bar: ----------------- X-Spam_report: (-17.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5 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 @linux.alibaba.com) X-ZM-MESSAGEID: 1722583597988116600 Content-Type: text/plain; charset="utf-8" Zama16b loads and stores of no more than MXLEN bits defined in the F, D, an= d Q extensions. Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis Reviewed-by: Richard Henderson --- target/riscv/insn_trans/trans_rvd.c.inc | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvd.c.inc b/target/riscv/insn_tr= ans/trans_rvd.c.inc index 0ac42c3223..49682292b8 100644 --- a/target/riscv/insn_trans/trans_rvd.c.inc +++ b/target/riscv/insn_trans/trans_rvd.c.inc @@ -47,7 +47,11 @@ static bool trans_fld(DisasContext *ctx, arg_fld *a) REQUIRE_FPU; REQUIRE_EXT(ctx, RVD); =20 - if (ctx->cfg_ptr->ext_zama16b) { + /* + * Zama16b applies to loads and stores of no more than MXLEN bits defi= ned + * in the F, D, and Q extensions. + */ + if ((get_xl_max(ctx) >=3D MXL_RV64) && ctx->cfg_ptr->ext_zama16b) { memop |=3D MO_ATOM_WITHIN16; } =20 @@ -67,7 +71,7 @@ static bool trans_fsd(DisasContext *ctx, arg_fsd *a) REQUIRE_FPU; REQUIRE_EXT(ctx, RVD); =20 - if (ctx->cfg_ptr->ext_zama16b) { + if ((get_xl_max(ctx) >=3D MXL_RV64) && ctx->cfg_ptr->ext_zama16b) { memop |=3D MO_ATOM_WITHIN16; } =20 --=20 2.25.1