From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <schwab@suse.de>
Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d])
	by sourceware.org (Postfix) with ESMTPS id A28343858D32
	for <libc-alpha@sourceware.org>; Mon, 17 Oct 2022 13:03:33 +0000 (GMT)
DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org A28343858D32
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-out2.suse.de (Postfix) with ESMTP id 5957B20372;
	Mon, 17 Oct 2022 13:03:32 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa;
	t=1666011812; 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=orghoR6SYEIJtvOOo9Yer5DEW1jwzccnOkBK3YqqFxM=;
	b=Vf17CRD6MK/mUOYI8PmABYCyi5CkIb3+mNDi7Myvw1aYpIdl3Aju1eKyJbZvhRZwAMuQxn
	NS+GkCiab6sqpsLChk+KTgBJSDVbXfOKc2Pd6+UTkE6mHvwBVI3XqayBDrSLXWVLtmGhu7
	fIwnMVgFYouST+y+dDgRyZb3D1KLnJw=
DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;
	s=susede2_ed25519; t=1666011812;
	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=orghoR6SYEIJtvOOo9Yer5DEW1jwzccnOkBK3YqqFxM=;
	b=Kf+CSaE/Ti1zt+XeIxrNxe+bB7nFaEUOmUvuN2/yoMJhvNGAVqZspDTTUTyDWx/wcqvZ+m
	yznv2SX9W8IuUbCg==
Received: from hawking.suse.de (unknown [10.168.4.11])
	by relay2.suse.de (Postfix) with ESMTP id 53B272C141;
	Mon, 17 Oct 2022 13:03:32 +0000 (UTC)
Received: by hawking.suse.de (Postfix, from userid 17005)
	id 87BC94401F8; Mon, 17 Oct 2022 15:03:31 +0200 (CEST)
From: Andreas Schwab <schwab@suse.de>
To: Florian Weimer via Libc-alpha <libc-alpha@sourceware.org>
Cc: Florian Weimer <fweimer@redhat.com>
Subject: Re: [PATCH] libgcc: Mostly vectorize CIE encoding extraction for FDEs
References: <87mt9umxu4.fsf@oldenburg.str.redhat.com>
X-Yow: Don't SANFORIZE me!!
Date: Mon, 17 Oct 2022 15:03:31 +0200
In-Reply-To: <87mt9umxu4.fsf@oldenburg.str.redhat.com> (Florian Weimer via
	Libc-alpha's message of "Mon, 17 Oct 2022 14:36:03 +0200")
Message-ID: <mvmv8oibo0s.fsf@suse.de>
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=-3.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,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: <libc-alpha.sourceware.org>

On Okt 17 2022, Florian Weimer via Libc-alpha wrote:

> +      unsigned long long value = *(const unsigned long long *) &cie->version;

Is that strict-aliasing safe?

I guess you wanted to send that to gcc-patches@.

-- 
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."