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authorJan Hubicka <hubicka@gcc.gnu.org>2010-06-22 16:02:34 +0000
committerJan Hubicka <hubicka@gcc.gnu.org>2010-06-22 16:02:34 +0000
commit50b2e859965b43c6537acabd9a4e882204c89b42 (patch)
tree84b9b4144b79810bb743e2fb9bb71b47ba26829c /gcc/df.h
parentc42bfef297354c8859e97ca7c3f32b0899b52f67 (diff)
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Fix version of patch from previous commit ;(
From-SVN: r161199
Diffstat (limited to 'gcc/df.h')
-rw-r--r--gcc/df.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/df.h b/gcc/df.h
index b778c0f..fc3bb08 100644
--- a/gcc/df.h
+++ b/gcc/df.h
@@ -222,10 +222,12 @@ typedef void (*df_dataflow_function) (struct dataflow *, bitmap, int *, int);
/* Confluence operator for blocks with 0 out (or in) edges. */
typedef void (*df_confluence_function_0) (basic_block);
-/* Confluence operator for blocks with 1 or more out (or in) edges. */
+/* Confluence operator for blocks with 1 or more out (or in) edges.
+ Return true if BB input data has changed. */
typedef bool (*df_confluence_function_n) (edge);
-/* Transfer function for blocks. */
+/* Transfer function for blocks.
+ Return true if BB output data has changed. */
typedef bool (*df_transfer_function) (int);
/* Function to massage the information after the problem solving. */