From patchwork Thu Aug 31 06:24:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fei Gao X-Patchwork-Id: 1828122 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=8.43.85.97; helo=server2.sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=patchwork.ozlabs.org) Received: from server2.sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RbrjY6bznz1yfX for ; Thu, 31 Aug 2023 16:24:32 +1000 (AEST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 612433856973 for ; Thu, 31 Aug 2023 06:24:30 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from azure-sdnproxy.icoremail.net (azure-sdnproxy.icoremail.net [207.46.229.174]) by sourceware.org (Postfix) with ESMTP id AF8883858D20 for ; Thu, 31 Aug 2023 06:24:15 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org AF8883858D20 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 localhost.localdomain (unknown [10.12.130.31]) by app2 (Coremail) with SMTP id EggMCgBHjpQMMvBkKORCAA--.4640S5; Thu, 31 Aug 2023 14:24:12 +0800 (CST) From: Fei Gao To: gcc-patches@gcc.gnu.org Subject: [PATCH 1/2] allow targets to check shrink-wrap-separate enabled or not Date: Thu, 31 Aug 2023 06:24:01 +0000 Message-Id: <20230831062402.6810-2-gaofei@eswincomputing.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230831062402.6810-1-gaofei@eswincomputing.com> References: <20230831062402.6810-1-gaofei@eswincomputing.com> X-CM-TRANSID: EggMCgBHjpQMMvBkKORCAA--.4640S5 X-Coremail-Antispam: 1UD129KBjvJXoW7Zr1rGryktr1rWrWUtr43Jrb_yoW5JrW3pF W3t345urZYvF1vvr4xXF42qFZ3Cr48Cr48J34aqw1xAw45XF1ftr47KF4Yvr15G397Xw43 XFWavr1jg3W3Aa7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPS14x267AKxVW5JVWrJwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jr4l82xGYIkIc2 x26xkF7I0E14v26r1I6r4UM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJw A2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS 0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2 IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0 Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCY1x0264kExVAvwVAq07x20x ylc2xSY4AK6svPMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E 5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtV W8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY 1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI 0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7V UU-Vy3UUUUU== X-CM-SenderInfo: xjdrwv3l6h245lqf0zpsxwx03jof0z/ X-Spam-Status: No, score=-12.2 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, 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: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kito.cheng@gmail.com, jiawei@iscas.ac.cn Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Sender: "Gcc-patches" No functional changes but restructure and expose use_shrink_wrapping_separate to the TARGETs. gcc/ChangeLog: * shrink-wrap.cc (try_shrink_wrapping_separate):call use_shrink_wrapping_separate. (use_shrink_wrapping_separate): wrap the condition check in use_shrink_wrapping_separate. * shrink-wrap.h (use_shrink_wrapping_separate): add to extern --- gcc/shrink-wrap.cc | 22 +++++++++++++++------- gcc/shrink-wrap.h | 1 + 2 files changed, 16 insertions(+), 7 deletions(-) diff --git a/gcc/shrink-wrap.cc b/gcc/shrink-wrap.cc index b8d7b557130..28301f04f89 100644 --- a/gcc/shrink-wrap.cc +++ b/gcc/shrink-wrap.cc @@ -1776,16 +1776,13 @@ insert_prologue_epilogue_for_components (sbitmap components) commit_edge_insertions (); } -/* The main entry point to this subpass. FIRST_BB is where the prologue - would be normally put. */ -void -try_shrink_wrapping_separate (basic_block first_bb) +bool +use_shrink_wrapping_separate (void) { - if (!(SHRINK_WRAPPING_ENABLED - && flag_shrink_wrap_separate + if (!(SHRINK_WRAPPING_ENABLED && flag_shrink_wrap_separate && optimize_function_for_speed_p (cfun) && targetm.shrink_wrap.get_separate_components)) - return; + return false; /* We don't handle "strange" functions. */ if (cfun->calls_alloca @@ -1794,6 +1791,17 @@ try_shrink_wrapping_separate (basic_block first_bb) || crtl->calls_eh_return || crtl->has_nonlocal_goto || crtl->saves_all_registers) + return false; + + return true; +} + +/* The main entry point to this subpass. FIRST_BB is where the prologue + would be normally put. */ +void +try_shrink_wrapping_separate (basic_block first_bb) +{ + if (!use_shrink_wrapping_separate ()) return; /* Ask the target what components there are. If it returns NULL, don't diff --git a/gcc/shrink-wrap.h b/gcc/shrink-wrap.h index 161647711a3..82386c2b712 100644 --- a/gcc/shrink-wrap.h +++ b/gcc/shrink-wrap.h @@ -26,6 +26,7 @@ along with GCC; see the file COPYING3. If not see extern bool requires_stack_frame_p (rtx_insn *, HARD_REG_SET, HARD_REG_SET); extern void try_shrink_wrapping (edge *entry_edge, rtx_insn *prologue_seq); extern void try_shrink_wrapping_separate (basic_block first_bb); +extern bool use_shrink_wrapping_separate (void); #define SHRINK_WRAPPING_ENABLED \ (flag_shrink_wrap && targetm.have_simple_return ())