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[2620:52:3:1:0:246e:9693:128c]) by mx.google.com with ESMTPS id i3-20020a1709063c4300b00988e963c3adsi8262363ejg.755.2023.07.13.19.02.57 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Jul 2023 19:02:57 -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 EB4EF3857355 for ; Fri, 14 Jul 2023 02:02:37 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from zg8tmty3ljk5ljewns4xndka.icoremail.net (zg8tmty3ljk5ljewns4xndka.icoremail.net [167.99.105.149]) by sourceware.org (Postfix) with ESMTP id 443B3385843E for ; Fri, 14 Jul 2023 02:02:11 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 443B3385843E Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=eswincomputing.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=eswincomputing.com Received: from host040-ubuntu-1804.lxd (unknown [10.12.130.38]) by app1 (Coremail) with SMTP id EwgMCgDXdMSfrLBk+WIyAA--.47814S4; Fri, 14 Jul 2023 10:02:07 +0800 (CST) From: Die Li To: gcc-patches@gcc.gnu.org Cc: kito.cheng@gmail.com, palmer@dabbelt.com, jeffeyalaw@gmail.com, lidie@eswincomputing.com Subject: [PATCH] RISC-V: Remove the redundant expressions in the and3. Date: Fri, 14 Jul 2023 02:02:05 +0000 Message-Id: <20230714020205.16214-1-lidie@eswincomputing.com> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: EwgMCgDXdMSfrLBk+WIyAA--.47814S4 X-Coremail-Antispam: 1UD129KBjvdXoWrZr47Ar47uw1xKFyxCrWktFb_yoWfArg_ur yrKFWfZ3y7Xa10yF4DWF4rKF18tayrJryjgw47Xr17K345Gr15A3saqFZ0gryrur98XF1x Ar93XFyayw1I9jkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb7AFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr1j 6rxdM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkIecxEwVCm-wCF04k2 0xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI 8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij64vIr41l IxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIx AIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2 jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7VUbXdbUUUUUU== X-CM-SenderInfo: 5olgxv46hv4xpqfrz1xxwl0woofrz/ X-Spam-Status: No, score=-12.1 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, RCVD_IN_MSPIKE_H5, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE 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: , Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771359623164202914 X-GMAIL-MSGID: 1771359623164202914 When generating the gen_and3 function based on the and3 template, it produces the expression emit_insn (gen_rtx_SET (operand0, gen_rtx_AND (, operand1, operand2)));, which is identical to the portion I removed in this patch. Therefore, the redundant portion can be deleted. Signed-off-by: Die Li gcc/ChangeLog: * config/riscv/riscv.md: Remove redundant portion in and3. --- gcc/config/riscv/riscv.md | 5 ----- 1 file changed, 5 deletions(-) diff --git a/gcc/config/riscv/riscv.md b/gcc/config/riscv/riscv.md index 7988026d129..c4f8eb9488e 100644 --- a/gcc/config/riscv/riscv.md +++ b/gcc/config/riscv/riscv.md @@ -1491,11 +1491,6 @@ DONE; } } - else - { - emit_move_insn (operands[0], gen_rtx_AND (mode, operands[1], operands[2])); - DONE; - } }) (define_insn "*and3"