diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/basic-block.h | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c68945b9190..6e6ac9c0c1a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2009-06-07 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> + + * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of + them is supposed to hold actual statements. + 2009-06-06 Ian Lance Taylor <iant@google.com> * doc/extend.texi (Attribute Syntax): Document that C++ labels on diff --git a/gcc/basic-block.h b/gcc/basic-block.h index 901845a686d..72bdf5c6504 100644 --- a/gcc/basic-block.h +++ b/gcc/basic-block.h @@ -491,7 +491,8 @@ extern bitmap_obstack reg_obstack; #define BB_HEAD(B) (B)->il.rtl->head_ #define BB_END(B) (B)->il.rtl->end_ -/* Special block numbers [markers] for entry and exit. */ +/* Special block numbers [markers] for entry and exit. + Neither of them is supposed to hold actual statements. */ #define ENTRY_BLOCK (0) #define EXIT_BLOCK (1) |