diff options
Diffstat (limited to 'gcc/tree.def')
| -rw-r--r-- | gcc/tree.def | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/gcc/tree.def b/gcc/tree.def index 70af240..8068f26 100644 --- a/gcc/tree.def +++ b/gcc/tree.def @@ -494,16 +494,11 @@ DEFTREECODE (LABELED_BLOCK_EXPR, "labeled_block_expr", 'e', 2) DEFTREECODE (CALL_EXPR, "call_expr", 'e', 3) /* Specify a value to compute along with its corresponding cleanup. - Operand 0 argument is an expression whose value needs a cleanup. - Operand 1 is the cleanup expression for the object. - Operand 2 is unused. - The cleanup is executed by the first enclosing CLEANUP_POINT_EXPR, if - it exists, otherwise it is the responsibility of the caller to manually - call expand_start_target_temps/expand_end_target_temps, as needed. - - This differs from TRY_CATCH_EXPR in that operand 2 is always - evaluated when an exception isn't thrown when cleanups are run. */ -DEFTREECODE (WITH_CLEANUP_EXPR, "with_cleanup_expr", 'e', 3) + Operand 0 is the cleanup expression. + The cleanup is executed by the first enclosing CLEANUP_POINT_EXPR, + which must exist. This differs from TRY_CATCH_EXPR in that operand 1 + is always evaluated when cleanups are run. */ +DEFTREECODE (WITH_CLEANUP_EXPR, "with_cleanup_expr", 'e', 1) /* Specify a cleanup point. Operand 0 is an expression that may have cleanups. If it does, those @@ -790,13 +785,6 @@ DEFTREECODE (LABEL_EXPR, "label_expr", 's', 1) The type should be void and the value should be ignored. */ DEFTREECODE (GOTO_EXPR, "goto_expr", 's', 1) -/* Used internally for cleanups in the implementation of TRY_FINALLY_EXPR. - (Specifically, it is created by expand_expr, not front-ends.) - Operand 0 is the rtx for the start of the subroutine we need to call. - Operand 1 is the rtx for a variable in which to store the address - of where the subroutine should return to. */ -DEFTREECODE (GOTO_SUBROUTINE_EXPR, "goto_subroutine", 's', 2) - /* RETURN. Evaluates operand 0, then returns from the current function. Presumably that operand is an assignment that stores into the RESULT_DECL that hold the value to be returned. |