summaryrefslogtreecommitdiff
path: root/gcc/cfgbuild.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/cfgbuild.c')
-rw-r--r--gcc/cfgbuild.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/cfgbuild.c b/gcc/cfgbuild.c
index c1ec46ad8d7..edecab52f5d 100644
--- a/gcc/cfgbuild.c
+++ b/gcc/cfgbuild.c
@@ -204,7 +204,8 @@ make_edges (basic_block min, basic_block max, int update_p)
/* Heavy use of computed goto in machine-generated code can lead to
nearly fully-connected CFGs. In that case we spend a significant
amount of time searching the edge lists for duplicates. */
- if (forced_labels || cfun->cfg->max_jumptable_ents > 100)
+ if (!vec_safe_is_empty (forced_labels)
+ || cfun->cfg->max_jumptable_ents > 100)
edge_cache = sbitmap_alloc (last_basic_block_for_fn (cfun));
/* By nature of the way these get numbered, ENTRY_BLOCK_PTR->next_bb block
@@ -280,8 +281,10 @@ make_edges (basic_block min, basic_block max, int update_p)
everything on the forced_labels list. */
else if (computed_jump_p (insn))
{
- for (rtx_insn_list *x = forced_labels; x; x = x->next ())
- make_label_edge (edge_cache, bb, x->insn (), EDGE_ABNORMAL);
+ rtx_insn *insn;
+ unsigned int i;
+ FOR_EACH_VEC_SAFE_ELT (forced_labels, i, insn)
+ make_label_edge (edge_cache, bb, insn, EDGE_ABNORMAL);
}
/* Returns create an exit out. */