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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/tree-inline.c13
2 files changed, 13 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 543be45..42bddf9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2012-06-21 Richard Guenther <rguenther@suse.de>
+
+ * tree-inline.c (estimate_num_insns): Estimate call cost for
+ tailcalls properly.
+
2012-06-20 RĂ¼diger Sonderfeld <ruediger@c-plusplus.de>
* tree.h (DECL_SOURCE_COLUMN): New accessor.
diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c
index 9a6db40..519cde4 100644
--- a/gcc/tree-inline.c
+++ b/gcc/tree-inline.c
@@ -3611,12 +3611,15 @@ estimate_num_insns (gimple stmt, eni_weights *weights)
}
cost = node ? weights->call_cost : weights->indirect_call_cost;
- if (gimple_call_lhs (stmt))
- cost += estimate_move_cost (TREE_TYPE (gimple_call_lhs (stmt)));
- for (i = 0; i < gimple_call_num_args (stmt); i++)
+ if (!gimple_call_tail_p (stmt))
{
- tree arg = gimple_call_arg (stmt, i);
- cost += estimate_move_cost (TREE_TYPE (arg));
+ if (gimple_call_lhs (stmt))
+ cost += estimate_move_cost (TREE_TYPE (gimple_call_lhs (stmt)));
+ for (i = 0; i < gimple_call_num_args (stmt); i++)
+ {
+ tree arg = gimple_call_arg (stmt, i);
+ cost += estimate_move_cost (TREE_TYPE (arg));
+ }
}
break;
}