From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9922 invoked by alias); 6 Jan 2015 11:33:58 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 9886 invoked by uid 48); 6 Jan 2015 11:33:53 -0000 From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug ipa/64503] [5 Regression] gcc.dg/ipa/iinline-4.c:210:1: internal compiler error: Floating point exception Date: Tue, 06 Jan 2015 11:33:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: ipa X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-01/txt/msg00292.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D64503 Martin Li=C5=A1ka changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |marxin at gcc dot gnu.org --- Comment #3 from Martin Li=C5=A1ka --- Hello. I've been testing fix where I replaced exp2 with scalbln, as Jakub suggeste= d. On the other hand, -inf looks a bit suspicious and is created here: ipa-inline.c:946, where if (growth <=3D 0) { badness =3D (sreal) (-SREAL_MIN_SIG + growth) << (SREAL_MAX_EXP / 256); as one can see, it's (-1073741824+growth) << (536870911/256) which is practically always -inf? I am curious if it's desired calculation Honza? Thanks, Martin >>From gcc-bugs-return-472299-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Jan 06 11:52:03 2015 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 18161 invoked by alias); 6 Jan 2015 11:52:03 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 18103 invoked by uid 55); 6 Jan 2015 11:51:56 -0000 From: "thopre01 at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/63259] Detecting byteswap sequence Date: Tue, 06 Jan 2015 11:52:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 4.9.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: thopre01 at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: thopre01 at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-01/txt/msg00293.txt.bz2 Content-length: 527 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63259 --- Comment #21 from thopre01 at gcc dot gnu.org --- Author: thopre01 Date: Tue Jan 6 11:51:16 2015 New Revision: 219256 URL: https://gcc.gnu.org/viewcvs?rev=219256&root=gcc&view=rev Log: 2015-01-06 Thomas Preud'homme gcc/ PR tree-optimization/63259 * tree-ssa-math-opts.c (pass_optimize_bswap::execute): Stop checking if optab exists for 16bit byteswap. Modified: trunk/gcc/ChangeLog trunk/gcc/tree-ssa-math-opts.c