diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-vect-data-refs.c | 7 |
2 files changed, 13 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9db326f..53df5c0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-10-31 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/53708 + * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve + user-supplied alignment when used with an explicit section name. + 2012-10-31 Dehao Chen <dehao@google.com> * tree-eh.c (do_return_redirection): Set location for jump statement. diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c index 5866b06..445f2cb 100644 --- a/gcc/tree-vect-data-refs.c +++ b/gcc/tree-vect-data-refs.c @@ -4858,6 +4858,13 @@ vect_can_force_dr_alignment_p (const_tree decl, unsigned int alignment) if (DECL_PRESERVE_P (decl)) return false; + /* Do not override explicit alignment set by the user when an explicit + section name is also used. This is a common idiom used by many + software projects. */ + if (DECL_SECTION_NAME (decl) != NULL_TREE + && !DECL_HAS_IMPLICIT_SECTION_NAME_P (decl)) + return false; + if (TREE_STATIC (decl)) return (alignment <= MAX_OFILE_ALIGNMENT); else |