The comment before the hunk I moved wasn't helpful, so I moved the
flag_section_anchor check in error. Fixed by reverting that change
and clarifying the comment.
Richard.
2012-03-16 Richard Guenther <rguent...@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 <rguent...@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.
Index: gcc/tree-vect-data-refs.c
===================================================================
*** gcc/tree-vect-data-refs.c (revision 185469)
--- gcc/tree-vect-data-refs.c (working copy)
*************** vect_compute_data_ref_alignment (struct
*** 872,878 ****
if (!base_aligned)
{
! if (!vect_can_force_dr_alignment_p (base, TYPE_ALIGN (vectype)))
{
if (vect_print_dump_info (REPORT_DETAILS))
{
--- 872,883 ----
if (!base_aligned)
{
! /* 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))
{
*************** vect_can_force_dr_alignment_p (const_tre
*** 4554,4564 ****
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
--- 4559,4564 ----
