From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32363 invoked by alias); 3 Oct 2010 11:43:28 -0000 Received: (qmail 32351 invoked by uid 22791); 3 Oct 2010 11:43:27 -0000 X-SWARE-Spam-Status: No, hits=-2.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,MISSING_MID X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 03 Oct 2010 11:43:24 +0000 From: "irar at il dot ibm.com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/45844] FAIL: gfortran.dg/vect/pr45714-b.f -O (internal compiler error) X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: irar at il dot ibm.com X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Status Last reconfirmed Ever Confirmed In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Date: Sun, 03 Oct 2010 11:43:00 -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 X-SW-Source: 2010-10/txt/msg00274.txt.bz2 Message-ID: <20101003114300.fMesq5Epl3AmVMRRFO9NF3XR11gQxy22QTVP7nUKZEk@z> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45844 Ira Rosen changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2010.10.03 11:43:15 Ever Confirmed|0 |1 --- Comment #1 from Ira Rosen 2010-10-03 11:43:15 UTC --- I guess, it's a DI/DF problem... If so, the code the vectorizer produces seems to be ok: vector(2) real(kind=8) vect_cst_.14; real(kind=8) reciptmp.5; real(kind=4) dtime; real(kind=8) D.1357; ... D.1357_12 = (real(kind=8)) dtime_11(D); reciptmp.5_60 = 1.0e+0 / D.1357_12; ... vect_cst_.14_51 = {reciptmp.5_60, reciptmp.5_60}; VDI first shows up in ira. pr45714-b.f.194r.sched1: (insn 35 116 118 2 (set (reg:V2DF 158 [ vect_cst_.14 ]) (vec_duplicate:V2DF (reg:DF 162 [ reciptmp.5 ]))) pr45714-b.f:14 993 {vsx_splat_v2df} (expr_list:REG_DEAD (reg:DF 162 [ reciptmp.5 ]) (nil))) pr45714-b.f.195r.ira: (insn 35 136 118 2 (set (reg:V2DF 108 31 [orig:158 vect_cst_.14 ] [158]) (vec_duplicate:V2DF (mem/u/c/i:DF (lo_sum:DI (reg:DI 11 11) (const:DI (unspec:DI [ (symbol_ref/u:DI ("*.LC3") [flags 0x2]) ] 49))) [2 S8 A64]))) pr45714-b.f:14 993 {vsx_splat_v2df} (nil))