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[2620:52:3:1:0:246e:9693:128c]) by mx.google.com with ESMTPS id dr21-20020a170907721500b0078db794016csi2905250ejc.907.2022.10.25.06.54.08 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Oct 2022 06:54:08 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) client-ip=2620:52:3:1:0:246e:9693:128c; Authentication-Results: mx.google.com; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org" Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 3B2ED3856DE5 for ; Tue, 25 Oct 2022 13:54:02 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from smtpbgsg1.qq.com (smtpbgsg1.qq.com [54.254.200.92]) by sourceware.org (Postfix) with ESMTPS id 78A10385AC22 for ; Tue, 25 Oct 2022 13:53:36 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 78A10385AC22 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=rivai.ai Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=rivai.ai X-QQ-mid: bizesmtp81t1666706007trqcfflj Received: from rios-cad5.localdomain ( [42.247.22.66]) by bizesmtp.qq.com (ESMTP) with id ; Tue, 25 Oct 2022 21:53:25 +0800 (CST) X-QQ-SSF: 01400000002000D0K000B00A0000000 X-QQ-FEAT: eYFcRngxZtQP4mKnzX2Y4wwbwPWwGbuqKlkgcaYAoJ2BIR+Qktn4QjnVOaU9m VLtoo3l0DskNc86dTHKPmltXj6zEh7kHNoHtSTg/D912I3zoeJoXQwUTtKl3x7m1waaVN+m vxC2OznfdgMLVfdp4rdkR8k9jSyif9TkvwX3/bHspYQbkhHLtj/kbG/N7Dkm3XxZ/XnHFAA AXWYElbbXXwH5lG+HA89Lg0XFQ8XQgF0PR/9nW3kxwjbZfa0MiHibxVGdAsrjDbzR3VV7dz 9UMRZMvZpeHBkHJfnbqcmOXWji8clWhb8kuKIrC+4uWVMU7M1layjBDIcAX8Awbh6kHfQJA X3vbQZJwktB0H/OOp2bwVqbsWIheU7EpU1SlFFytAq6mIfbddQje7EuI0w8xIESnARC+xc8 53qUsscb9d0= X-QQ-GoodBg: 2 From: juzhe.zhong@rivai.ai To: gcc-patches@gcc.gnu.org Subject: [PATCH] RISC-V: Fix a mistake in previous patch. Date: Tue, 25 Oct 2022 21:53:23 +0800 Message-Id: <20221025135323.98303-1-juzhe.zhong@rivai.ai> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:rivai.ai:qybglogicsvr:qybglogicsvr7 X-Spam-Status: No, score=-13.0 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kito.cheng@gmail.com, Ju-Zhe Zhong Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747667961804032285?= X-GMAIL-MSGID: =?utf-8?q?1747667961804032285?= From: Ju-Zhe Zhong I noticed that I have made a mistake in previous patch: https://patchwork.sourceware.org/project/gcc/patch/20220817071950.271762-1-juzhe.zhong@rivai.ai/ The previous statement before this patch: bool need_barrier_p = (get_frame_size () + cfun->machine->frame.arg_pointer_offset) != 0; However, I changed it in the previous patch: bool need_barrier_p = known_ne (get_frame_size (), cfun->machine->frame.arg_pointer_offset); This is incorrect. Now, I correct this statement in this patch. gcc/ChangeLog: * config/riscv/riscv.cc (riscv_expand_epilogue): Fix statement. --- gcc/config/riscv/riscv.cc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc index 08354a19c05..50ef38438a2 100644 --- a/gcc/config/riscv/riscv.cc +++ b/gcc/config/riscv/riscv.cc @@ -5028,8 +5028,8 @@ riscv_expand_epilogue (int style) rtx insn; /* We need to add memory barrier to prevent read from deallocated stack. */ - bool need_barrier_p - = known_ne (get_frame_size (), cfun->machine->frame.arg_pointer_offset); + bool need_barrier_p = known_ne (get_frame_size () + + cfun->machine->frame.arg_pointer_offset, 0); if (cfun->machine->naked_p) {