From nobody Tue Feb 10 07:42:27 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1642571836540978.3011917757337; Tue, 18 Jan 2022 21:57:16 -0800 (PST) Received: from localhost ([::1]:49530 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nA3y7-00083y-2o for importer@patchew.org; Wed, 19 Jan 2022 00:57:15 -0500 Received: from eggs.gnu.org ([209.51.188.92]:59658) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nA3Wc-0008LF-CV; Wed, 19 Jan 2022 00:28:50 -0500 Received: from out28-193.mail.aliyun.com ([115.124.28.193]:46994) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nA3Wa-0002OB-26; Wed, 19 Jan 2022 00:28:50 -0500 Received: from roman-VirtualBox.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.MfD5DY._1642570121) by smtp.aliyun-inc.com(10.147.40.26); Wed, 19 Jan 2022 13:28:42 +0800 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.1742969|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_system_inform|0.00632418-5.02523e-05-0.993626; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047187; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=9; RT=8; SR=0; TI=SMTPD_---.MfD5DY._1642570121; From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v7 20/22] target/riscv: Adjust scalar reg in vector with XLEN Date: Wed, 19 Jan 2022 13:18:22 +0800 Message-Id: <20220119051824.17494-21-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220119051824.17494-1-zhiwei_liu@c-sky.com> References: <20220119051824.17494-1-zhiwei_liu@c-sky.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: none client-ip=115.124.28.193; envelope-from=zhiwei_liu@c-sky.com; helo=out28-193.mail.aliyun.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, UNPARSEABLE_RELAY=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: , Cc: guoren@linux.alibaba.com, bin.meng@windriver.com, richard.henderson@linaro.org, palmer@dabbelt.com, Alistair Francis , LIU Zhiwei Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1642571839012100001 Content-Type: text/plain; charset="utf-8" When sew <=3D 32bits, not need to extend scalar reg. When sew > 32bits, if xlen is less that sew, we should sign extend the scalar register, except explicitly specified by the spec. Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis --- target/riscv/insn_trans/trans_rvv.c.inc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_tr= ans/trans_rvv.c.inc index e03959c46f..f85a9e83b4 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -1258,7 +1258,7 @@ static bool opivx_trans(uint32_t vd, uint32_t rs1, ui= nt32_t vs2, uint32_t vm, dest =3D tcg_temp_new_ptr(); mask =3D tcg_temp_new_ptr(); src2 =3D tcg_temp_new_ptr(); - src1 =3D get_gpr(s, rs1, EXT_NONE); + src1 =3D get_gpr(s, rs1, EXT_SIGN); =20 data =3D FIELD_DP32(data, VDATA, VM, vm); data =3D FIELD_DP32(data, VDATA, LMUL, s->lmul); --=20 2.25.1