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| author | mrs <mrs@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-04-02 19:51:52 +0000 |
|---|---|---|
| committer | mrs <mrs@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-04-02 19:51:52 +0000 |
| commit | aa7e537c6a038e81382606468e484576c2cee3d5 (patch) | |
| tree | 149b47cc2c398d20f882c4307d0f320170375137 /gcc/tree.h | |
| parent | 7f646368a7a7679a8c4a349c4130b49d9a64d9cd (diff) | |
| parent | b28b448fdb7865fc64094a799dd396f0d732a7c2 (diff) | |
| download | gcc-aa7e537c6a038e81382606468e484576c2cee3d5.tar.gz | |
Merge in trunk.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@209030 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/gcc/tree.h b/gcc/tree.h index 04d4a3720fd..9c95d6f4329 100644 --- a/gcc/tree.h +++ b/gcc/tree.h @@ -2444,6 +2444,10 @@ extern void decl_fini_priority_insert (tree, priority_type); #define DECL_NONLOCAL_FRAME(NODE) \ (VAR_DECL_CHECK (NODE)->base.default_def_flag) +/* In a VAR_DECL, nonzero if this variable is not aliased by any pointer. */ +#define DECL_NONALIASED(NODE) \ + (VAR_DECL_CHECK (NODE)->base.nothrow_flag) + /* This field is used to reference anything in decl.result and is meant only for use by the garbage collector. */ #define DECL_RESULT_FLD(NODE) \ @@ -4482,12 +4486,14 @@ static inline bool may_be_aliased (const_tree var) { return (TREE_CODE (var) != CONST_DECL - && !((TREE_STATIC (var) || TREE_PUBLIC (var) || DECL_EXTERNAL (var)) - && TREE_READONLY (var) - && !TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (var))) && (TREE_PUBLIC (var) || DECL_EXTERNAL (var) - || TREE_ADDRESSABLE (var))); + || TREE_ADDRESSABLE (var)) + && !((TREE_STATIC (var) || TREE_PUBLIC (var) || DECL_EXTERNAL (var)) + && ((TREE_READONLY (var) + && !TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (var))) + || (TREE_CODE (var) == VAR_DECL + && DECL_NONALIASED (var))))); } /* Return pointer to optimization flags of FNDECL. */ @@ -4742,6 +4748,7 @@ extern tree fold_builtin_stxcpy_chk (location_t, tree, tree, tree, tree, tree, b enum built_in_function); extern tree fold_builtin_stxncpy_chk (location_t, tree, tree, tree, tree, tree, bool, enum built_in_function); +extern tree fold_builtin_expect (location_t, tree, tree, tree); extern bool fold_builtin_next_arg (tree, bool); extern enum built_in_function builtin_mathfn_code (const_tree); extern tree fold_builtin_call_array (location_t, tree, tree, int, tree *); |