Clean an inconsistency with -ffinite-math-only.
Backported from the gcc-4_3-branch, revision 118001, under the GPLv2. This issue was also fixed in Apple's gcc. PR: 157025 Reviewed by: mm Approved by: jhb (mentor) MFC: 2 weeks
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2020-12-20 02:59:44 +00:00
svn path=/head/; revision=228756
@ -96,6 +96,14 @@
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* doc/invoke.texi: Add entry about geode processor.
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2006-10-24 Richard Guenther <rguenther@suse.de>
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PR middle-end/28796
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* builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
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and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
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for deciding optimizations in consistency with fold-const.c
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(fold_builtin_unordered_cmp): Likewise.
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2006-10-22 H.J. Lu <hongjiu.lu@intel.com> (r117958)
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* config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
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@ -8720,7 +8720,7 @@ fold_builtin_classify (tree fndecl, tree arglist, int builtin_index)
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switch (builtin_index)
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{
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case BUILT_IN_ISINF:
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if (!MODE_HAS_INFINITIES (TYPE_MODE (TREE_TYPE (arg))))
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if (!HONOR_INFINITIES (TYPE_MODE (TREE_TYPE (arg))))
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return omit_one_operand (type, integer_zero_node, arg);
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if (TREE_CODE (arg) == REAL_CST)
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@ -8736,8 +8736,8 @@ fold_builtin_classify (tree fndecl, tree arglist, int builtin_index)
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return NULL_TREE;
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case BUILT_IN_FINITE:
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if (!MODE_HAS_NANS (TYPE_MODE (TREE_TYPE (arg)))
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&& !MODE_HAS_INFINITIES (TYPE_MODE (TREE_TYPE (arg))))
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if (!HONOR_NANS (TYPE_MODE (TREE_TYPE (arg)))
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&& !HONOR_INFINITIES (TYPE_MODE (TREE_TYPE (arg))))
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return omit_one_operand (type, integer_zero_node, arg);
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if (TREE_CODE (arg) == REAL_CST)
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@ -8750,7 +8750,7 @@ fold_builtin_classify (tree fndecl, tree arglist, int builtin_index)
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return NULL_TREE;
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case BUILT_IN_ISNAN:
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if (!MODE_HAS_NANS (TYPE_MODE (TREE_TYPE (arg))))
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if (!HONOR_NANS (TYPE_MODE (TREE_TYPE (arg))))
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return omit_one_operand (type, integer_zero_node, arg);
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if (TREE_CODE (arg) == REAL_CST)
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@ -8833,13 +8833,13 @@ fold_builtin_unordered_cmp (tree fndecl, tree arglist,
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if (unordered_code == UNORDERED_EXPR)
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{
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if (!MODE_HAS_NANS (TYPE_MODE (TREE_TYPE (arg0))))
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if (!HONOR_NANS (TYPE_MODE (TREE_TYPE (arg0))))
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return omit_two_operands (type, integer_zero_node, arg0, arg1);
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return fold_build2 (UNORDERED_EXPR, type, arg0, arg1);
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}
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code = MODE_HAS_NANS (TYPE_MODE (TREE_TYPE (arg0))) ? unordered_code
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: ordered_code;
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code = HONOR_NANS (TYPE_MODE (TREE_TYPE (arg0))) ? unordered_code
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: ordered_code;
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return fold_build1 (TRUTH_NOT_EXPR, type,
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fold_build2 (code, type, arg0, arg1));
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}
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