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| author | Stan Cox <scox@cygnus.com> | 2000-01-04 17:19:41 +0000 |
|---|---|---|
| committer | Stan Cox <scox@gcc.gnu.org> | 2000-01-04 17:19:41 +0000 |
| commit | 7f103e88351413723e4dc3013824cf5a4c7a51f2 (patch) | |
| tree | d84560fa135a4fbe6eb26708b345e558c43ee5ab /gcc/haifa-sched.c | |
| parent | a544cfd20164c1c8513be05e1c1976c0fd005735 (diff) | |
| download | gcc-7f103e88351413723e4dc3013824cf5a4c7a51f2.zip gcc-7f103e88351413723e4dc3013824cf5a4c7a51f2.tar.gz gcc-7f103e88351413723e4dc3013824cf5a4c7a51f2.tar.bz2 | |
haifa-sched.c (build_control_flow): Change unreachable simple loop test to check if...
2000-01-04 Stan Cox <scox@cygnus.com>
* haifa-sched.c (build_control_flow): Change unreachable simple
loop test to check if current block has only one predecessor.
(find_rgns): Initialize degree. Use dest as degree index, not src.
From-SVN: r31208
Diffstat (limited to 'gcc/haifa-sched.c')
| -rw-r--r-- | gcc/haifa-sched.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c index e3eedbb..f9fb504 100644 --- a/gcc/haifa-sched.c +++ b/gcc/haifa-sched.c @@ -1061,7 +1061,7 @@ build_control_flow (edge_list) basic_block b = BASIC_BLOCK (i); if (b->pred == NULL - || (b->pred->dest == b + || (b->pred->src == b && b->pred->pred_next == NULL)) unreachable = 1; } @@ -1531,12 +1531,14 @@ find_rgns (edge_list, dom) to hold degree counts. */ degree = dfs_nr; + for (i = 0; i < n_basic_blocks; i++) + degree[i] = 0; for (i = 0; i < num_edges; i++) { edge e = INDEX_EDGE (edge_list, i); - if (e->src != ENTRY_BLOCK_PTR) - degree[e->src->index]++; + if (e->dest != EXIT_BLOCK_PTR) + degree[e->dest->index]++; } /* Do not perform region scheduling if there are any unreachable |