From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by sourceware.org (Postfix) with ESMTPS id D30E03858D28 for ; Wed, 18 Jan 2023 12:30:55 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org D30E03858D28 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=suse.de Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 017C93F342; Wed, 18 Jan 2023 12:30:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1674045054; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=W4nbUVddoU11NkOif4MieBWtv/0FVcJHEs3aOsmwC+0=; b=zoL/E1Jv19QYwwX++EkNuNcRCuk/uf04dbr2v9bYaEULtO2CJaZ9hckWdqUXegZLViF/AE w98CsPKCoeWCFOakpS8W2gbTgia95dsuoGYzJwS8nYgV/TZ1dorNbcR20ruzoc+CA+iazt Pv9gBRMhLejsuFt3tWVbM+1U+HqDSck= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1674045054; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=W4nbUVddoU11NkOif4MieBWtv/0FVcJHEs3aOsmwC+0=; b=cLJIC3F4PpfEsrEw7CUweoqURpzNNUynK1MrF9QybLICByrOaaq7LBuJ5tDUhVkITT4RkA F+u0U9h9esqyf1Bw== Received: from hawking.suse.de (unknown [10.168.4.11]) by relay2.suse.de (Postfix) with ESMTP id E81C62C141; Wed, 18 Jan 2023 12:30:53 +0000 (UTC) Received: by hawking.suse.de (Postfix, from userid 17005) id C9A08443810; Wed, 18 Jan 2023 13:30:53 +0100 (CET) From: Andreas Schwab To: Jakub Jelinek Cc: Richard Biener , Jan Hubicka , gcc-patches@gcc.gnu.org Subject: Re: [PATCH] lto: pass through -funwind-tables and -fasynchronous-unwind-tables References: X-Yow: I brought my BOWLING BALL - and some DRUGS!! Date: Wed, 18 Jan 2023 13:30:53 +0100 In-Reply-To: (Jakub Jelinek's message of "Wed, 18 Jan 2023 12:31:03 +0100") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-3.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,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 List-Id: On Jan 18 2023, Jakub Jelinek wrote: > On Wed, Jan 18, 2023 at 12:25:11PM +0100, Andreas Schwab via Gcc-patches wrote: >> On Jan 18 2023, Richard Biener wrote: >> >> > On Wed, Jan 18, 2023 at 11:17 AM Andreas Schwab via Gcc-patches >> > wrote: >> >> >> >> The -funwind-tables and -fasynchronous-unwind-tables options are relevant >> >> for the output pass, thus they need to be passed through by the lto >> >> wrapper. >> > >> > They are already stored per function, and ... >> >> Are they? Are you sure you don't confuse that with -fexceptions? > > They clearly are: > fasynchronous-unwind-tables > Common Var(flag_asynchronous_unwind_tables) Optimization > Generate unwind tables that are exact at each instruction boundary. > and > funwind-tables > Common Var(flag_unwind_tables) Optimization > Just generate unwind tables for exception handling. How is that supposed to work then? -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."