diff options
Diffstat (limited to 'gcc/tree-into-ssa.c')
| -rw-r--r-- | gcc/tree-into-ssa.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/gcc/tree-into-ssa.c b/gcc/tree-into-ssa.c index a095ffd634d..e49fb035bc1 100644 --- a/gcc/tree-into-ssa.c +++ b/gcc/tree-into-ssa.c @@ -452,9 +452,8 @@ static void mark_block_for_update (basic_block bb) { gcc_assert (blocks_to_update != NULL); - if (bitmap_bit_p (blocks_to_update, bb->index)) + if (!bitmap_set_bit (blocks_to_update, bb->index)) return; - bitmap_set_bit (blocks_to_update, bb->index); initialize_flags_in_bb (bb); } @@ -557,7 +556,7 @@ set_livein_block (tree var, basic_block bb) /* Return true if symbol SYM is marked for renaming. */ -static inline bool +bool symbol_marked_for_renaming (tree sym) { return bitmap_bit_p (SYMS_TO_RENAME (cfun), DECL_UID (sym)); @@ -1144,7 +1143,7 @@ insert_phi_nodes_for (tree var, bitmap phi_insertion_points, bool update_p) the flowgraph. */ static void -insert_phi_nodes (bitmap *dfs) +insert_phi_nodes (bitmap_head *dfs) { referenced_var_iterator rvi; bitmap_iterator bi; @@ -2350,7 +2349,7 @@ fini_ssa_renamer (void) static unsigned int rewrite_into_ssa (void) { - bitmap *dfs; + bitmap_head *dfs; basic_block bb; timevar_push (TV_TREE_SSA_OTHER); @@ -2368,9 +2367,9 @@ rewrite_into_ssa (void) sbitmap_zero (interesting_blocks); /* Initialize dominance frontier. */ - dfs = XNEWVEC (bitmap, last_basic_block); + dfs = XNEWVEC (bitmap_head, last_basic_block); FOR_EACH_BB (bb) - dfs[bb->index] = BITMAP_ALLOC (NULL); + bitmap_initialize (&dfs[bb->index], &bitmap_default_obstack); /* 1- Compute dominance frontiers. */ calculate_dominance_info (CDI_DOMINATORS); @@ -2387,7 +2386,7 @@ rewrite_into_ssa (void) /* Free allocated memory. */ FOR_EACH_BB (bb) - BITMAP_FREE (dfs[bb->index]); + bitmap_clear (&dfs[bb->index]); free (dfs); sbitmap_free (interesting_blocks); @@ -3006,7 +3005,7 @@ release_ssa_name_after_update_ssa (tree name) names is not pruned. PHI nodes are inserted at every IDF block. */ static void -insert_updated_phi_nodes_for (tree var, bitmap *dfs, bitmap blocks, +insert_updated_phi_nodes_for (tree var, bitmap_head *dfs, bitmap blocks, unsigned update_flags) { basic_block entry; @@ -3333,13 +3332,13 @@ update_ssa (unsigned update_flags) and for symbols in SYMS_TO_RENAME. */ if (insert_phi_p) { - bitmap *dfs; + bitmap_head *dfs; /* If the caller requested PHI nodes to be added, compute dominance frontiers. */ - dfs = XNEWVEC (bitmap, last_basic_block); + dfs = XNEWVEC (bitmap_head, last_basic_block); FOR_EACH_BB (bb) - dfs[bb->index] = BITMAP_ALLOC (NULL); + bitmap_initialize (&dfs[bb->index], &bitmap_default_obstack); compute_dominance_frontiers (dfs); if (sbitmap_first_set_bit (old_ssa_names) >= 0) @@ -3364,7 +3363,7 @@ update_ssa (unsigned update_flags) update_flags); FOR_EACH_BB (bb) - BITMAP_FREE (dfs[bb->index]); + bitmap_clear (&dfs[bb->index]); free (dfs); /* Insertion of PHI nodes may have added blocks to the region. |