Author: pfg
Date: Fri Feb 3 21:26:25 2012
New Revision: 230959
URL: http://svn.freebsd.org/changeset/base/230959
Log:
MFC: r228756
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)
Modified:
stable/8/contrib/gcc/ChangeLog.gcc43
stable/8/contrib/gcc/builtins.c
Directory Properties:
stable/8/contrib/gcc/ (props changed)
Modified: stable/8/contrib/gcc/ChangeLog.gcc43
==============================================================================
--- stable/8/contrib/gcc/ChangeLog.gcc43 Fri Feb 3 21:24:28 2012
(r230958)
+++ stable/8/contrib/gcc/ChangeLog.gcc43 Fri Feb 3 21:26:25 2012
(r230959)
@@ -96,6 +96,14 @@
* doc/invoke.texi: Add entry about geode processor.
+2006-10-24 Richard Guenther <[email protected]>
+
+ 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.
+
2006-10-22 H.J. Lu <[email protected]> (r117958)
* config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
Modified: stable/8/contrib/gcc/builtins.c
==============================================================================
--- stable/8/contrib/gcc/builtins.c Fri Feb 3 21:24:28 2012
(r230958)
+++ stable/8/contrib/gcc/builtins.c Fri Feb 3 21:26:25 2012
(r230959)
@@ -8720,7 +8720,7 @@ fold_builtin_classify (tree fndecl, tree
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 @@ fold_builtin_classify (tree fndecl, tree
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 @@ fold_builtin_classify (tree fndecl, tree
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 @@ fold_builtin_unordered_cmp (tree fndecl,
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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