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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-07-24 08:05:03 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-07-24 08:05:03 +0000 |
| commit | 1fe12b6187f8bc7f9a197ea52287f8d9b0759e67 (patch) | |
| tree | 9e4867be9f502678c654833c6c50f18695c9ebf3 /gcc/gcse.c | |
| parent | 9510e31399ce1e345567e3483f20f8c2cf9f7b61 (diff) | |
| download | gcc-1fe12b6187f8bc7f9a197ea52287f8d9b0759e67.tar.gz | |
* gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
'temp_bitmap'.
(pre_delete): Corresponding changes.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35222 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/gcse.c')
| -rw-r--r-- | gcc/gcse.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/gcc/gcse.c b/gcc/gcse.c index 224dd6bcfa1..ce4c07b8d40 100644 --- a/gcc/gcse.c +++ b/gcc/gcse.c @@ -4038,8 +4038,6 @@ static sbitmap *pre_delete_map; /* Contains the edge_list returned by pre_edge_lcm. */ static struct edge_list *edge_list; -static sbitmap *temp_bitmap; - /* Redundant insns. */ static sbitmap pre_redundant_insns; @@ -4052,7 +4050,6 @@ alloc_pre_mem (n_blocks, n_exprs) transp = sbitmap_vector_alloc (n_blocks, n_exprs); comp = sbitmap_vector_alloc (n_blocks, n_exprs); antloc = sbitmap_vector_alloc (n_blocks, n_exprs); - temp_bitmap = sbitmap_vector_alloc (n_blocks, n_exprs); pre_optimal = NULL; pre_redundant = NULL; @@ -4075,7 +4072,6 @@ free_pre_mem () free (transp); free (comp); free (antloc); - free (temp_bitmap); if (pre_optimal) free (pre_optimal); @@ -4595,11 +4591,6 @@ pre_delete () struct expr *expr; struct occr *occr; - /* Compute the expressions which are redundant and need to be replaced by - copies from the reaching reg to the target reg. */ - for (bb = 0; bb < n_basic_blocks; bb++) - sbitmap_copy (temp_bitmap[bb], pre_delete_map[bb]); - changed = 0; for (i = 0; i < expr_hash_table_size; i++) for (expr = expr_hash_table[i]; expr != NULL; expr = expr->next_same_hash) @@ -4615,7 +4606,7 @@ pre_delete () rtx set; int bb = BLOCK_NUM (insn); - if (TEST_BIT (temp_bitmap[bb], indx)) + if (TEST_BIT (pre_delete_map[bb], indx)) { set = single_set (insn); if (! set) |