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Diffstat (limited to 'gcc/ChangeLog')
-rw-r--r-- | gcc/ChangeLog | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bb28bd87271..dde7c78fd36 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,43 @@ +2012-08-13 Steven Bosscher <steven@gcc.gnu.org> + + * tree-ssa-pre.c (do_regular_insertion): Add FIXME markers at points + of potentially huge memset overhead. + (do_partial_partial_insertion): Likewise. + * cfgexpand.c (gimple_expand_cfg): Use XCNEWVEC instead of xcalloc. + * tree-vrp.c (find_assert_locations): Use XNEWVEC instead of XCNEWVEC + for arrays to be filled by pre_and_rev_post_order_compute. Allocate + the right number of slots, not that number plus NUM_FIXED_BLOCKS. + * tree-ssa-reassoc.c (init_reassoc): Likewise. + * cfganal.c (dfs_enumerate_from): Use XNEWVEC instead of XCNEWVEC for + array used as stack. + * tree-ssa-sccvn.c (init_scc_vn): Use XNEWVEC instead of XCNEWVEC for + arrays to be filled by pre_and_rev_post_order_compute. + * cfgloopmanip.c (find_path): Use XNEWVEC instead of XCNEWVEC for + array to be filled by dfs_enumerate_from. + (remove_path): Likewise. + (duplicate_loop_to_header_edge): Use XNEWVEC instead of XCNEWVEC for + array of loops that is filled on the next lines. + * cfgloop.c (get_loop_body): Use XNEWVEC instead of XCNEWVEC for + array of basic blocks to be returned. + (get_loop_body_in_dom_order): Likewise. + (get_loop_body_in_bfs_order): Likewise. + * tree-ssa-loop-manip.c (loop_renamer_obstack): New static obstack + for all bitmaps used for rewriting into loop-closed SSA form. + (add_exit_phis_var): Allocate the def bitmap on it. Clear the livein + bitmap at the end to release a lot of memory. + (add_exit_phis): Allocate the exits bitmap on the new obstack. + (get_loops_exits): Allocate the exits bitmap on the new obstack. + (find_uses_to_rename_use): Allocate a use_blocks bitmap if ver is + seen for the first time. + (find_uses_to_rename): Add "???" for why the whole function must + be re-scanned if changed_bbs is empty. + (rewrite_into_loop_closed_ssa): Allocate bitmaps on the new obstack. + Use XNEWVEC to allocate the use_blocks array. Initialize the new + obstack, and free it at the end. Remove loop over all SSA names. + (check_loop_closed_ssa_stmt): Look only at SSA_OP_USE operands. + * tree-cfg.c (move_sese_region_to_fn): Use XNEWVEC instead of + xcalloc to allocate edge_pred and edge_flag arrays. + 2012-08-13 Uros Bizjak <ubizjak@gmail.com> * config/i386/i386.h (FIXED_REGISTERS): Do not mark REX registers here. |