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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 02e00bb9366..27c7c1685f8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,32 @@ +2006-08-18 Andrew MacLeod <amacleod@redhat.com> + + * tree-ssa-live.c (new_tree_live_info): Don't initialize global bitmap + and initialize livein vectors to NULL rather than an empty bitmap. + (delete_tree_live_info): Free live bitmaps only if allocated. + (live_worklist): Use stack which is in liveinfo struct. Stack is + already initially set upon entry now. + (add_livein_if_notdef): Remove. + (set_var_live_on_entry): New. Calculate the initial set of live on + entry blocks using immediate use links. + (calculate_live_on_entry): Call set_var_live_on_entry for each var. + Split out the data verification code. + (calculate_live_on_exit): Remove. + (calc_live_at_exit): New. Calculate the live on exit data for a + single basic block. + (build_tree_conflict_graph): Use calc_live_at_exit. + (dump_live_info): Use calc_live_at_exit, check for empty live-on-entry + vectors. + (verify_live_on_entry): New. Split out verification code from + calculate_live_on_entry. + * tree-ssa-live.h (struct tree_live_info_d): Remove global and liveout + bitmaps. Add succ_mask and integer work stack fields. + (partition_is_global): Check for existance of live on entry info. + (live_on_exit): Remove. + (live_merge_and_clear): Add asserts. + (make_live_on_entry): Allocate a bitmap if needed. + * tree-outof-ssa.c (coalesce_ssa_name, coalesce_vars): Remove call to + calculate_live_on_exit. + 2006-08-04 Andrew MacLeod <amacleod@redhat.com> * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms |