diff options
| -rw-r--r-- | gcc/ChangeLog | 14 | ||||
| -rw-r--r-- | gcc/tree-vect-data-refs.c | 12 |
2 files changed, 20 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d517881..9399c2d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,17 @@ +2012-03-16 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/52603 + * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify + comment. + + Revert + 2012-03-14 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/52571 + * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move + flag_section_anchors check ... + (vect_can_force_dr_alignment_p): ... here. + 2012-03-16 Martin Jambor <mjambor@suse.cz> * expr.c (expand_expr_real_1): handle misaligned scalar reads from diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c index 9b66d86..d6bfe6c 100644 --- a/gcc/tree-vect-data-refs.c +++ b/gcc/tree-vect-data-refs.c @@ -872,7 +872,12 @@ vect_compute_data_ref_alignment (struct data_reference *dr) if (!base_aligned) { - if (!vect_can_force_dr_alignment_p (base, TYPE_ALIGN (vectype))) + /* Do not change the alignment of global variables here if + flag_section_anchors is enabled as we already generated + RTL for other functions. Most global variables should + have been aligned during the IPA increase_alignment pass. */ + if (!vect_can_force_dr_alignment_p (base, TYPE_ALIGN (vectype)) + || (TREE_STATIC (base) && flag_section_anchors)) { if (vect_print_dump_info (REPORT_DETAILS)) { @@ -4554,11 +4559,6 @@ vect_can_force_dr_alignment_p (const_tree decl, unsigned int alignment) if (TREE_ASM_WRITTEN (decl)) return false; - /* Do not change the alignment of global variables if flag_section_anchors - is enabled. */ - if (TREE_STATIC (decl) && flag_section_anchors) - return false; - if (TREE_STATIC (decl)) return (alignment <= MAX_OFILE_ALIGNMENT); else |