From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 124614 invoked by alias); 29 Mar 2017 20:49:25 -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 124560 invoked by uid 89); 29 Mar 2017 20:49:24 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.0 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD autolearn=ham version=3.3.2 spammy=H*r:8.14.1, Hx-languages-length:418, million X-HELO: gate.crashing.org Received: from gate.crashing.org (HELO gate.crashing.org) (63.228.1.57) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 29 Mar 2017 20:49:23 +0000 Received: from gate.crashing.org (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.13.8) with ESMTP id v2TKnKgZ020628; Wed, 29 Mar 2017 15:49:21 -0500 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id v2TKnKEn020627; Wed, 29 Mar 2017 15:49:20 -0500 Date: Wed, 29 Mar 2017 20:56:00 -0000 From: Segher Boessenkool To: Jeff Law Cc: gcc-patches@gcc.gnu.org, jakub@redhat.com Subject: Re: [PATCH] combine: Fix PR80233 Message-ID: <20170329204919.GY4402@gate.crashing.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i X-IsSubscribed: yes X-SW-Source: 2017-03/txt/msg01499.txt.bz2 On Wed, Mar 29, 2017 at 02:35:32PM -0600, Jeff Law wrote: > ps. Never in a million years would I have expected isolation of > division by zero to have exposed as many latent issues as it has. Sigh. The trap insns weren't handled very well before, but we didn't generate many either. They still aren't handled very well, but hopefully we don't ICE so much on them anymore ;-) Segher