diff options
| author | Jason Merrill <jason@redhat.com> | 2009-07-14 14:15:22 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2009-07-14 14:15:22 -0400 |
| commit | b35c81608887526d18a068f9c84192a7efaf2b25 (patch) | |
| tree | c0b398487e8aaf1c8bade8ef6a6bd94d09c89785 /gcc/builtins.c | |
| parent | e02e8e58c405770d1192d849fc2712e65d3f023b (diff) | |
| download | gcc-b35c81608887526d18a068f9c84192a7efaf2b25.zip gcc-b35c81608887526d18a068f9c84192a7efaf2b25.tar.gz gcc-b35c81608887526d18a068f9c84192a7efaf2b25.tar.bz2 | |
builtins.c (can_trust_pointer_alignment): New fn.
* builtins.c (can_trust_pointer_alignment): New fn.
(get_pointer_alignment): Factor it out from here.
* tree.h: Declare it.
* cp/call.c (build_over_call): Use it.
From-SVN: r149635
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index de1984e..a5f41fc 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -344,6 +344,16 @@ get_object_alignment (tree exp, unsigned int align, unsigned int max_align) return MIN (align, max_align); } +/* Returns true iff we can trust that alignment information has been + calculated properly. */ + +bool +can_trust_pointer_alignment (void) +{ + /* We rely on TER to compute accurate alignment information. */ + return (optimize && flag_tree_ter); +} + /* Return the alignment in bits of EXP, a pointer valued expression. But don't return more than MAX_ALIGN no matter what. The alignment returned is, by default, the alignment of the thing that @@ -357,8 +367,7 @@ get_pointer_alignment (tree exp, unsigned int max_align) { unsigned int align, inner; - /* We rely on TER to compute accurate alignment information. */ - if (!(optimize && flag_tree_ter)) + if (!can_trust_pointer_alignment ()) return 0; if (!POINTER_TYPE_P (TREE_TYPE (exp))) |