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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 38114b3b5ef..bdabc9abd9b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,64 @@ +2012-08-17 Steven Bosscher <steven@gcc.gnu.org> + + PR middle-end/54146 + * tree-ssa-loop-im.c (lim_bitmap_obstack): New bitmap_obstack. + (memref_free): Don't free the bitmaps individually here. + (mem_ref_alloc): Allocate the bitmaps on the new bitmap obstack. + (analyze_memory_references): Likewise. + (tree_ssa_lim_initialize): Initialize the new bitmap obstack. + (tree_ssa_lim_finalize): Release it. + * dse.c (dse_bitmap_obstack): New bitmap obstack. + (dse_obstack): New obstack. + (get_group_info): Allocate the bitmaps on the new bitmap obstack. + (dse_step0): Allocate the scratch bitmap on reg_obstack. Initialize + the new bitmap obstack and normal obstack. Use XNEWVEC for bb_table. + (record_store): Allocate regs_set on reg_obstack. + (dse_step1): Allocate regs_live on reg_obstack. + (dse_step2_init): Allocate offset_map_n and offset_map_p on the new + obstack. + (dse_step3_scan): Allocate bitmaps on the new bitmap obstack. + (dse_step3): Likewise. + (dse_confluence_0): Likewise. + (dse_confluence_n): Likewise. + (dse_transfer_function): Likewise. + (dse_step7): Destroy the new obstacks, and everything allocated on + them, in one big sweep. + (rest_of_handle_dse): Update. + * cfgexpand.c (stack_var_bitmap_obstack): New bitmap obstack. + (add_stack_var_conflict): Allocate bitmaps on it. + (add_scope_conflicts_1): Likewise. + (add_scope_conflicts): Likewise. + (update_alias_info_with_stack_vars): Likewise. + (init_vars_expansion): Move TREE_USED fiddling expand_used_vars. + Initialize the new bitmap obstack. + (fini_vars_expansion): Release it. + (estimated_stack_frame_size): Use init_vars_expansion to set things up + and always clean up at the end. + (expand_used_vars): Do the TREE_USED trickery here. Always call + fini_vars_expansion. + * tree-ssa-live.h (struct tree_live_info_d): Make livein and liveout + arrays of bitmap_head to avoid one indirection per bitmap access. + (live_on_entry, live_on_exit, live_var_map, live_merge_and_clear, + make_live_on_entry): Update. + * tree-ssa-live.c (partition_view_bitmap): Don't double-free 'used'. + (liveness_bitmap_obstack): New bitmap obstack. + (remove_unused_locals): Use it to allocate all bitmaps on. Update + for livein/liveout changes in tree-ssa-live.h. + (delete_tree_live_info): Release the bitmap obstack. + (loe_visit_block, live_worklist, set_var_live_on_entry, + calculate_live_on_exit, dump_live_info): Update. + (calculate_live_ranges): Initialize the bitmap. + * tree-ssa-ter.c (ter_bitmap_obstack): New bitmap obstack. + (new_temp_expr_table): Allocate bitmap on it. + (make_dependent_on_partition, add_to_partition_kill_list, + add_dependence, process_replaceable): Likewise. + (find_replaceable_exprs): Initialize and release the new obstack here. + * df-problems.c (df_lr_add_problem): Allocate persistent bitmap + for out_of_date_transfer_functions on df_bitmap_obstack. + (df_live_add_problem): Likewise. + (df_chain_add_problem): Likewise. + (df_word_lr_add_problem): Likewise. + 2012-08-17 Nick Clifton <nickc@redhat.com> * config/mep/t-mep (mep-pragma.o): Use $(COMPILER) to compile |