From patchwork Wed Oct 13 10:15:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Lyon X-Patchwork-Id: 46161 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 0B2B9385840B for ; Wed, 13 Oct 2021 10:21:55 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0B2B9385840B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1634120515; bh=OGYoyvueX6aXn+yePbgdmkJ+k/HdVM5aDpIJUU64hpg=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=B0aSdUfhJqNeToko9AlBzrBkT+FA2pWXDT5a/zFYUZt16aqFQW3gyE5f7h3yNJsAf d658DWehY3jBNzMOzHfr/b+uflXCXIVIo6RpGTIizW7+IWbXfxGKVk3CeXm1NxtBtR vDAPQyPouXFDuxTpw2gSCAX4E2q4Eqmxsd6Ql04o= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mx07-00178001.pphosted.com (mx07-00178001.pphosted.com [185.132.182.106]) by sourceware.org (Postfix) with ESMTPS id BF6443858428 for ; Wed, 13 Oct 2021 10:18:19 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org BF6443858428 Received: from pps.filterd (m0241204.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 19D9evUR009518 for ; Wed, 13 Oct 2021 12:18:18 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 3bnw1rr985-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 13 Oct 2021 12:18:18 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 5A1AD100034 for ; Wed, 13 Oct 2021 12:18:18 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 53F3121E66C for ; Wed, 13 Oct 2021 12:18:18 +0200 (CEST) Received: from gnx2104.gnb.st.com (10.75.127.47) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Wed, 13 Oct 2021 12:18:17 +0200 To: Subject: [PATCH v2 05/14] arm: Add support for VPR_REG in arm_class_likely_spilled_p Date: Wed, 13 Oct 2021 12:15:25 +0200 Message-ID: <20211013101554.2732342-6-christophe.lyon@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211013101554.2732342-1-christophe.lyon@foss.st.com> References: <20211013101554.2732342-1-christophe.lyon@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG2NODE2.st.com (10.75.127.5) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-10-13_03,2021-10-13_01,2020-04-07_01 X-Spam-Status: No, score=-8.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, GIT_PATCH_0, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) 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: , X-Patchwork-Original-From: Christophe Lyon via Gcc-patches From: Christophe Lyon Reply-To: Christophe Lyon Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" VPR_REG is the only register in its class, so it should be handled by TARGET_CLASS_LIKELY_SPILLED_P, which is achieved by calling default_class_likely_spilled_p. No test fails without this patch, but it seems it should be implemented. 2021-10-13 Christophe Lyon gcc/ * config/arm/arm.c (arm_class_likely_spilled_p): Handle VPR_REG. diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 11dafc70067..9f52a152444 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -29307,7 +29307,7 @@ arm_class_likely_spilled_p (reg_class_t rclass) || rclass == CC_REG) return true; - return false; + return default_class_likely_spilled_p (rclass); } /* Implements target hook small_register_classes_for_mode_p. */