From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 118265 invoked by alias); 1 Dec 2015 09:25:03 -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 118254 invoked by uid 89); 1 Dec 2015 09:25:02 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.5 required=5.0 tests=AWL,BAYES_00,SPF_PASS autolearn=ham version=3.3.2 X-HELO: eu-smtp-delivery-143.mimecast.com Received: from eu-smtp-delivery-143.mimecast.com (HELO eu-smtp-delivery-143.mimecast.com) (146.101.78.143) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 01 Dec 2015 09:25:02 +0000 Received: from cam-owa1.Emea.Arm.com (fw-tnat.cambridge.arm.com [217.140.96.140]) by eu-smtp-1.mimecast.com with ESMTP id uk-mta-5-WNN2VSBHQTud4r6bGFuQ5A-1; Tue, 01 Dec 2015 09:24:56 +0000 Received: from localhost ([10.1.2.79]) by cam-owa1.Emea.Arm.com with Microsoft SMTPSVC(6.0.3790.3959); Tue, 1 Dec 2015 09:24:56 +0000 From: Richard Sandiford To: gcc-patches@gcc.gnu.org Mail-Followup-To: gcc-patches@gcc.gnu.org, richard.sandiford@arm.com Subject: PR68474: Fix tree-call-cdce.c:use_internal_fn Date: Tue, 01 Dec 2015 09:25:00 -0000 Message-ID: <871tb6ed1z.fsf@e105548-lin.cambridge.arm.com> User-Agent: Gnus/5.130012 (Ma Gnus v0.12) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 X-MC-Unique: WNN2VSBHQTud4r6bGFuQ5A-1 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable X-SW-Source: 2015-12/txt/msg00053.txt.bz2 We'd call gen_shrink_wrap_conditions for functions that it can't handle but edom_only_function can. Tested on x86_64-linux-gnu. OK to install? Thanks, Richard gcc/ PR tree-optimization/68474 * tree-call-cdce.c (use_internal_fn): Protect call to gen_shrink_wrap_conditions. gcc/testsuite/ PR tree-optimization/68474 * gcc.dg/pr68474.c: New test. diff --git a/gcc/testsuite/gcc.dg/pr68474.c b/gcc/testsuite/gcc.dg/pr68474.c new file mode 100644 index 0000000..8ad7def --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr68474.c @@ -0,0 +1,7 @@ +/* { dg-options "-O -funsafe-math-optimizations" } */ + +long double +foo (long double d1, long double d2) +{ + return d1 || __builtin_significandl (d2); +} diff --git a/gcc/tree-call-cdce.c b/gcc/tree-call-cdce.c index 75ef180..4123130 100644 --- a/gcc/tree-call-cdce.c +++ b/gcc/tree-call-cdce.c @@ -959,7 +959,8 @@ use_internal_fn (gcall *call) { unsigned nconds =3D 0; auto_vec conds; - gen_shrink_wrap_conditions (call, conds, &nconds); + if (can_test_argument_range (call)) + gen_shrink_wrap_conditions (call, conds, &nconds); if (nconds =3D=3D 0 && !edom_only_function (call)) return false; =20