Date: Sun, 26 Dec 2010 19:00:20 GMT From: "Pedro F. Giffuni" <giffunip@yahoo.com> To: freebsd-bugs@FreeBSD.org Subject: Re: gnu/153298: Update base gcc with latest GPL2 patches (FSF 4.2.2 prerelease) Message-ID: <201012261900.oBQJ0KoE081956@freefall.freebsd.org>
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The following reply was made to PR gnu/153298; it has been noted by GNATS. From: "Pedro F. Giffuni" <giffunip@yahoo.com> 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 <rguenther@suse.de> 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)); }
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