From owner-freebsd-bugs@FreeBSD.ORG Sun Dec 26 19:00:20 2010 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B5DC3106566B for ; Sun, 26 Dec 2010 19:00:20 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id A485A8FC13 for ; Sun, 26 Dec 2010 19:00:20 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id oBQJ0KH9081985 for ; Sun, 26 Dec 2010 19:00:20 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id oBQJ0KoE081956; Sun, 26 Dec 2010 19:00:20 GMT (envelope-from gnats) Date: Sun, 26 Dec 2010 19:00:20 GMT Message-Id: <201012261900.oBQJ0KoE081956@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: "Pedro F. Giffuni" Cc: Subject: Re: gnu/153298: Update base gcc with latest GPL2 patches (FSF 4.2.2 prerelease) X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: "Pedro F. Giffuni" List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 26 Dec 2010 19:00:20 -0000 The following reply was made to PR gnu/153298; it has been noted by GNATS. From: "Pedro F. Giffuni" To: bug-followup@FreeBSD.org Cc: Subject: Re: gnu/153298: Update base gcc with latest GPL2 patches (FSF 4.2.2 prerelease) Date: Sun, 26 Dec 2010 10:42:06 -0800 (PST) This additional patch solves GCC PR 28796, It's originally from Apple's GCC so it's also covered by the GPL2. 2006-10-24 Richard Guenther Radar 5675014 PR middle-end/28796 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS for deciding optimizations in consistency with fold-const.c (fold_builtin_unordered_cmp): Likewise. --- gcc.orig/builtins.c 2010-12-19 14:08:22.000000000 +0000 +++ gcc/builtins.c 2010-12-26 11:51:18.000000000 +0000 @@ -8720,7 +8720,7 @@ switch (builtin_index) { case BUILT_IN_ISINF: - if (!MODE_HAS_INFINITIES (TYPE_MODE (TREE_TYPE (arg)))) + if (!HONOR_INFINITIES (TYPE_MODE (TREE_TYPE (arg)))) return omit_one_operand (type, integer_zero_node, arg); if (TREE_CODE (arg) == REAL_CST) @@ -8736,8 +8736,8 @@ return NULL_TREE; case BUILT_IN_FINITE: - if (!MODE_HAS_NANS (TYPE_MODE (TREE_TYPE (arg))) - && !MODE_HAS_INFINITIES (TYPE_MODE (TREE_TYPE (arg)))) + if (!HONOR_NANS (TYPE_MODE (TREE_TYPE (arg))) + && !HONOR_INFINITIES (TYPE_MODE (TREE_TYPE (arg)))) return omit_one_operand (type, integer_zero_node, arg); if (TREE_CODE (arg) == REAL_CST) @@ -8750,7 +8750,7 @@ return NULL_TREE; case BUILT_IN_ISNAN: - if (!MODE_HAS_NANS (TYPE_MODE (TREE_TYPE (arg)))) + if (!HONOR_NANS (TYPE_MODE (TREE_TYPE (arg)))) return omit_one_operand (type, integer_zero_node, arg); if (TREE_CODE (arg) == REAL_CST) @@ -8833,13 +8833,13 @@ if (unordered_code == UNORDERED_EXPR) { - if (!MODE_HAS_NANS (TYPE_MODE (TREE_TYPE (arg0)))) + if (!HONOR_NANS (TYPE_MODE (TREE_TYPE (arg0)))) return omit_two_operands (type, integer_zero_node, arg0, arg1); return fold_build2 (UNORDERED_EXPR, type, arg0, arg1); } - code = MODE_HAS_NANS (TYPE_MODE (TREE_TYPE (arg0))) ? unordered_code - : ordered_code; + code = HONOR_NANS (TYPE_MODE (TREE_TYPE (arg0))) ? unordered_code + : ordered_code; return fold_build1 (TRUTH_NOT_EXPR, type, fold_build2 (code, type, arg0, arg1)); }