diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/tree.h | 4 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f0da7e624b7..22d7866b4c6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2005-04-27 Kazu Hirata <kazu@cs.umass.edu> + + * tree.h (phi_arg_d): Expand a comment in phi_arg_d. + 2005-04-27 Joseph S. Myers <joseph@codesourcery.com> PR c/21213 diff --git a/gcc/tree.h b/gcc/tree.h index 40c31199e09..eb4e4522504 100644 --- a/gcc/tree.h +++ b/gcc/tree.h @@ -1424,7 +1424,9 @@ struct edge_def; struct phi_arg_d GTY(()) { - struct ssa_imm_use_d imm_use; /* imm_use MUST be first element in struct. */ + /* imm_use MUST be the first element in struct because we do some + pointer arithmetic with it. See phi_arg_index_from_use. */ + struct ssa_imm_use_d imm_use; tree def; bool nonzero; }; |
