diff options
Diffstat (limited to 'gcc/basic-block.h')
| -rw-r--r-- | gcc/basic-block.h | 3 |
1 files changed, 2 insertions, 1 deletions
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) |