summaryrefslogtreecommitdiff
path: root/gcc/df.h
diff options
context:
space:
mode:
authorhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2010-06-22 16:02:34 +0000
committerhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2010-06-22 16:02:34 +0000
commit21256416bbcefcd911055bb0bc1c7119eec77403 (patch)
tree84b9b4144b79810bb743e2fb9bb71b47ba26829c /gcc/df.h
parente6c997e5d2734a24bf4d6e5e4e9022173a2347f5 (diff)
downloadgcc-21256416bbcefcd911055bb0bc1c7119eec77403.tar.gz
Fix version of patch from previous commit ;(
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@161199 138bc75d-0d04-0410-961f-82ee72b054a4
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 b778c0f060c..fc3bb088ee5 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. */