diff options
| author | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-03-15 16:14:55 +0000 |
|---|---|---|
| committer | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-03-15 16:14:55 +0000 |
| commit | bfad1dc2c71ec30d4293b2b0c17a18ca3f67db9b (patch) | |
| tree | 1453ddcea17581f5ff7d5632d9fce716fc3ee8f3 /gcc/tree-ssa-dce.c | |
| parent | 3d5331376b469e7d42b9d9bce251736ab9510443 (diff) | |
| download | gcc-bfad1dc2c71ec30d4293b2b0c17a18ca3f67db9b.tar.gz | |
* tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
iterator-style macro.
(mark_control_dependent_edges_necessary): Update the use of
EXECUTE_IF_CONTROL_DEPENDENT.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@112089 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-dce.c')
| -rw-r--r-- | gcc/tree-ssa-dce.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/gcc/tree-ssa-dce.c b/gcc/tree-ssa-dce.c index 15c2ee417ff..56f17ceeee1 100644 --- a/gcc/tree-ssa-dce.c +++ b/gcc/tree-ssa-dce.c @@ -105,17 +105,12 @@ static sbitmap visited_control_parents; to be recomputed. */ static bool cfg_altered; -/* Execute CODE for each edge (given number EDGE_NUMBER within the CODE) - for which the block with index N is control dependent. */ -#define EXECUTE_IF_CONTROL_DEPENDENT(N, EDGE_NUMBER, CODE) \ - { \ - bitmap_iterator bi; \ - \ - EXECUTE_IF_SET_IN_BITMAP (control_dependence_map[N], 0, EDGE_NUMBER, bi) \ - { \ - CODE; \ - } \ - } +/* Execute code that follows the macro for each edge (given number + EDGE_NUMBER within the CODE) for which the block with index N is + control dependent. */ +#define EXECUTE_IF_CONTROL_DEPENDENT(BI, N, EDGE_NUMBER) \ + EXECUTE_IF_SET_IN_BITMAP (control_dependence_map[(N)], 0, \ + (EDGE_NUMBER), (BI)) /* Local function prototypes. */ static inline void set_control_dependence_map_bit (basic_block, int); @@ -443,6 +438,7 @@ find_obviously_necessary_stmts (struct edge_list *el) static void mark_control_dependent_edges_necessary (basic_block bb, struct edge_list *el) { + bitmap_iterator bi; unsigned edge_number; gcc_assert (bb != EXIT_BLOCK_PTR); @@ -450,7 +446,7 @@ mark_control_dependent_edges_necessary (basic_block bb, struct edge_list *el) if (bb == ENTRY_BLOCK_PTR) return; - EXECUTE_IF_CONTROL_DEPENDENT (bb->index, edge_number, + EXECUTE_IF_CONTROL_DEPENDENT (bi, bb->index, edge_number) { tree t; basic_block cd_bb = INDEX_EDGE_PRED_BB (el, edge_number); @@ -462,7 +458,7 @@ mark_control_dependent_edges_necessary (basic_block bb, struct edge_list *el) t = last_stmt (cd_bb); if (t && is_ctrl_stmt (t)) mark_stmt_necessary (t, true); - }); + } } /* Propagate necessity using the operands of necessary statements. Process |