diff options
| -rw-r--r-- | gcc/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/tree.h | 9 |
2 files changed, 6 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 14826fb..3390bda 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -3,6 +3,8 @@ * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else" warning. + * tree.h (safe_for_unsave): Prototype. + 2000-03-20 Richard Henderson <rth@cygnus.com> * regmove.c (stack_memref_p): Fix typo, reorg for readability. @@ -1996,11 +1996,6 @@ extern int first_rtl_op PARAMS ((enum tree_code)); extern tree unsave_expr PARAMS ((tree)); -/* safe_for_reeval_p (EXP) returns nonzero if it is possible to - expand EXP multiple times. */ - -extern int safe_for_reeval_p PARAMS ((tree)); - /* Reset EXP in place so that it can be expaned again. Does not recurse into subtrees. */ @@ -2021,6 +2016,10 @@ extern void (*lang_unsave_expr_now) PARAMS ((tree)); /* If non-null, a language specific version of safe_for_unsave. */ extern int (*lang_safe_for_unsave) PARAMS ((tree)); +/* Return nonzero if it is safe to unsave EXPR, else return zero. + It is not safe to unsave EXPR if it contains any embedded RTL_EXPRs. */ +extern int safe_for_unsave PARAMS ((tree)); + /* Return 1 if EXP contains a PLACEHOLDER_EXPR; i.e., if it represents a size or offset that depends on a field within a record. |