From patchwork Fri Jan 12 08:21:23 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Biener X-Patchwork-Id: 859574 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=gcc-patches-return-470936-incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.b="iyJm2kxJ"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3zHwhN74g5z9t3H for ; Fri, 12 Jan 2018 19:21:55 +1100 (AEDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:subject:message-id:mime-version:content-type; q=dns; s= default; b=ZrBgyNSpdEqDz7TB2lQ8+JmzdS9J2dDNK6zuOVgIoDdrXcHLlm7Fl eGqfPDquds3HamYow6y800OKSpT3UhSOrKr1npiI4Kb6E2cs2vjCWl+3wYVfAfm2 wPI+KIh3i8O53UgfHXv/MkVeHc6L7IQ1xCqheIB0yB2mjcMWTYEIkI= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:subject:message-id:mime-version:content-type; s= default; bh=xAADiTzjoUwZSBELzWt6altvY0o=; b=iyJm2kxJIZkKfLn0/3W1 2y+aNAEbLE4fiEMiSdsm5sA9b3MQ54aJXi6MhVz3/HHd6ocLYfSBZ/1SknBBveXQ 08k/m1LJ8XSjczhypYNRvfdkoL68sET/Yw6HKajAE7Z2qwhNpzOM7qKz2+cBIuOi IUMY27Cp7hl08ftsMZ6hoZw= Received: (qmail 97620 invoked by alias); 12 Jan 2018 08:21:30 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org Received: (qmail 96877 invoked by uid 89); 12 Jan 2018 08:21:27 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-11.1 required=5.0 tests=BAYES_00, GIT_PATCH_2, GIT_PATCH_3, KAM_ASCII_DIVIDERS, SPF_PASS, T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 spammy=streaming, Hx-languages-length:1923 X-HELO: mx2.suse.de Received: from mx2.suse.de (HELO mx2.suse.de) (195.135.220.15) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 12 Jan 2018 08:21:26 +0000 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 7C127AE16 for ; Fri, 12 Jan 2018 08:21:23 +0000 (UTC) Date: Fri, 12 Jan 2018 09:21:23 +0100 (CET) From: Richard Biener To: gcc-patches@gcc.gnu.org Subject: [PATCH] Slightly optimize LTO streamed bytecode Message-ID: User-Agent: Alpine 2.20 (LSU 67 2015-01-07) MIME-Version: 1.0 This optimizes streaming of DECL_DEBUG_EXPR to only when necessary. LTO bootstrapped and tested on x86_64-unknown-linux-gnu, applied. Richard. 2018-01-12 Richard Biener * lto-streamer-out.c (DFS::DFS_write_tree_body): Process DECL_DEBUG_EXPR conditional on DECL_HAS_DEBUG_EXPR_P. * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers): Likewise. * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise. Index: gcc/lto-streamer-out.c =================================================================== --- gcc/lto-streamer-out.c (revision 256535) +++ gcc/lto-streamer-out.c (working copy) @@ -802,7 +802,8 @@ DFS::DFS_write_tree_body (struct output_ || TREE_CODE (expr) == PARM_DECL) && DECL_HAS_VALUE_EXPR_P (expr)) DFS_follow_tree_edge (DECL_VALUE_EXPR (expr)); - if (VAR_P (expr)) + if (VAR_P (expr) + && DECL_HAS_DEBUG_EXPR_P (expr)) DFS_follow_tree_edge (DECL_DEBUG_EXPR (expr)); } Index: gcc/tree-streamer-in.c =================================================================== --- gcc/tree-streamer-in.c (revision 256535) +++ gcc/tree-streamer-in.c (working copy) @@ -714,7 +714,8 @@ lto_input_ts_decl_common_tree_pointers ( && DECL_HAS_VALUE_EXPR_P (expr)) SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in)); - if (VAR_P (expr)) + if (VAR_P (expr) + && DECL_HAS_DEBUG_EXPR_P (expr)) { tree dexpr = stream_read_tree (ib, data_in); if (dexpr) Index: gcc/tree-streamer-out.c =================================================================== --- gcc/tree-streamer-out.c (revision 256535) +++ gcc/tree-streamer-out.c (working copy) @@ -609,7 +609,8 @@ write_ts_decl_common_tree_pointers (stru && DECL_HAS_VALUE_EXPR_P (expr)) stream_write_tree (ob, DECL_VALUE_EXPR (expr), ref_p); - if (VAR_P (expr)) + if (VAR_P (expr) + && DECL_HAS_DEBUG_EXPR_P (expr)) stream_write_tree (ob, DECL_DEBUG_EXPR (expr), ref_p); }