From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by sourceware.org (Postfix) with ESMTP id 5E5963858D34 for ; Fri, 1 Mar 2024 03:49:20 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 5E5963858D34 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=loongson.cn ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 5E5963858D34 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1709264963; cv=none; b=orTBt+v98Xm3+3Jm3brIDsKLn2onZX92YttyhJt6KWkMIOQf0PIS5UxjiX83So/FNMIg5YRfge+gWmpXhavMlCY/wN1SNlIa5i0CiFoOdvlXVLt9MtzV/ZJjD4jEXDSDHH8z13FzKpBESwMHSkwFrd0duzZ8enc6QL5QdJahElI= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1709264963; c=relaxed/simple; bh=a1Ze6jMnyRjfZ0KNH1blPd+4UKcEHTY8sqdz5bBEBio=; h=Subject:To:From:Message-ID:Date:MIME-Version; b=ItesTcJBcial3op590LYyHjL8CcJtOopjWS1IiqNeJ7DiMn51sWBe/P7U9FOcGwShNBBD+mOjfOYDpUY3OSHv72u0sndALqu/GTYV5joug0hqhp+HaVUp1DmEJ8nGyErpo+FHhJHEAwtvjsMF+xgIPpPiLYcOjr4SJX85WjyicA= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from loongson.cn (unknown [10.20.4.107]) by gateway (Coremail) with SMTP id _____8Axeeg9UOFlLisTAA--.29191S3; Fri, 01 Mar 2024 11:49:17 +0800 (CST) Received: from [10.20.4.107] (unknown [10.20.4.107]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxLs89UOFlsGlLAA--.2580S3; Fri, 01 Mar 2024 11:49:17 +0800 (CST) Subject: Re: [PATCH] LoongArch: Allow s9 as a register alias To: Xi Ruoyao , gcc-patches@gcc.gnu.org Cc: i@xen0n.name, xuchenghua@loongson.cn, mengqinggang@loongson.cn References: <20240229071549.58350-1-xry111@xry111.site> From: chenglulu Message-ID: <955201db-36eb-82d6-6fb4-120194ad9db9@loongson.cn> Date: Fri, 1 Mar 2024 11:49:17 +0800 User-Agent: Mozilla/5.0 (X11; Linux loongarch64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20240229071549.58350-1-xry111@xry111.site> Content-Type: text/plain; charset=gbk; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-CM-TRANSID:AQAAf8BxLs89UOFlsGlLAA--.2580S3 X-CM-SenderInfo: xfkh0wpoxo3qxorr0wxvrqhubq/ X-Coremail-Antispam: 1Uk129KBj9xXoWruw1rAw47Cw13KF1DWFyDArc_yoWfAFbEqa 42qF1UCr48Aay8X3WYqFyrK3WUX3WkA3ZakF9xJrs293WfJr1akrZ7X3W5Zw15KFW5W3Zx trWvkr1akr12qosvyTuYvTs0mTUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUbI8YFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVWUJVWUCwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV WUJVW8JwA2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6r4UJVWxJr1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44I27w Aqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_JrI_JrylYx0Ex4A2jsIE 14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvEwIxGrwCYjI0SjxkI62AI1c AE67vIY487MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8C rVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtw CIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x02 67AKxVWUJVW8JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr 0_Gr1lIxAIcVC2z280aVCY1x0267AKxVWUJVW8JbIYCTnIWIevJa73UjIFyTuYvjxU70Pf DUUUU X-Spam-Status: No, score=-12.1 required=5.0 tests=BAYES_00,GIT_PATCH_0,KAM_DMARC_STATUS,MIME_CHARSET_FARAWAY,NICE_REPLY_A,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 List-Id: ÔÚ 2024/2/29 ÏÂÎç3:14, Xi Ruoyao дµÀ: > The psABI allows using s9 as an alias of r22. > > gcc/ChangeLog: > > * config/loongarch/loongarch.h (ADDITIONAL_REGISTER_NAMES): Add > s9 as an alias of r22. > --- > > Bootstrapped and regtested on loongarch64-linux-gnu. Ok for trunk? I think a test is needed. Others LGTM. Thanks! > > gcc/config/loongarch/loongarch.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/gcc/config/loongarch/loongarch.h b/gcc/config/loongarch/loongarch.h > index 8b453ab3140..bf2351f0968 100644 > --- a/gcc/config/loongarch/loongarch.h > +++ b/gcc/config/loongarch/loongarch.h > @@ -931,6 +931,7 @@ typedef struct { > { "t8", 20 + GP_REG_FIRST }, \ > { "x", 21 + GP_REG_FIRST }, \ > { "fp", 22 + GP_REG_FIRST }, \ > + { "s9", 22 + GP_REG_FIRST }, \ > { "s0", 23 + GP_REG_FIRST }, \ > { "s1", 24 + GP_REG_FIRST }, \ > { "s2", 25 + GP_REG_FIRST }, \