From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 47230 invoked by alias); 1 Aug 2016 02:12:08 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 44941 invoked by uid 89); 1 Aug 2016 02:12:06 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY,RP_MATCHES_RCVD autolearn=ham version=3.3.2 spammy= X-HELO: gcc1-power7.osuosl.org Received: from gcc1-power7.osuosl.org (HELO gcc1-power7.osuosl.org) (140.211.15.137) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 01 Aug 2016 02:11:57 +0000 Received: by gcc1-power7.osuosl.org (Postfix, from userid 10019) id 1FDC51C07F4; Mon, 1 Aug 2016 01:43:12 +0000 (UTC) From: Segher Boessenkool To: gcc-patches@gcc.gnu.org Cc: bschmidt@redhat.com, Segher Boessenkool Subject: [PATCH 6/9] sel-sched: Don't mess with register restores Date: Mon, 01 Aug 2016 02:12:00 -0000 Message-Id: <38963d815ea81b55d5b8e2ed85f2b347aad21395.1470015604.git.segher@kernel.crashing.org> In-Reply-To: References: In-Reply-To: References: X-IsSubscribed: yes X-SW-Source: 2016-08/txt/msg00008.txt.bz2 If selective scheduling copies register restores it confuses dwarf2cfi. 2016-06-07 Segher Boessenkool * sel-sched-ir.c (init_global_and_expr_for_insn): Don't copy instructions with a REG_CFA_RESTORE note. --- gcc/sel-sched-ir.c | 1 + 1 file changed, 1 insertion(+) diff --git a/gcc/sel-sched-ir.c b/gcc/sel-sched-ir.c index 83f813a..4a3984a 100644 --- a/gcc/sel-sched-ir.c +++ b/gcc/sel-sched-ir.c @@ -3015,6 +3015,7 @@ init_global_and_expr_for_insn (insn_t insn) /* TRAP_IF though have an INSN code is control_flow_insn_p (). */ || control_flow_insn_p (insn) || volatile_insn_p (PATTERN (insn)) + || find_reg_note (insn, REG_CFA_RESTORE, NULL) || (targetm.cannot_copy_insn_p && targetm.cannot_copy_insn_p (insn))) force_unique_p = true; -- 1.9.3