From ec86c71f91c119acb6bbca1729be81bcb9ea8add Mon Sep 17 00:00:00 2001 From: Jason Merrill Date: Tue, 13 May 2003 12:56:00 -0400 Subject: [PATCH] update comments From-SVN: r66764 --- gcc/tree.def | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/gcc/tree.def b/gcc/tree.def index 378830c81bf..5f6ee65eaad 100644 --- a/gcc/tree.def +++ b/gcc/tree.def @@ -31,7 +31,8 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA '<' for codes for comparison expressions. '1' for codes for unary arithmetic expressions. '2' for codes for binary arithmetic expressions. - 's' for codes for expressions with inherent side effects. + 's' for codes for "statement" expressions, which have side-effects, + but usually no interesting value. 'e' for codes for other kinds of expressions. */ /* For `r', `e', `<', `1', `2', and `s' nodes, which use struct @@ -780,16 +781,7 @@ DEFTREECODE (TRY_CATCH_EXPR, "try_catch_expr", 'e', 2) /* Evaluate the first operand. The second operand is a cleanup expression which is evaluated - before an exit (normal, exception, or jump out) from this expression. - - Like a CLEANUP_POINT_EXPR/WITH_CLEANUP_EXPR combination, but those - always copy the cleanup expression where needed. In contrast, - TRY_FINALLY_EXPR generates a jump to a cleanup subroutine. - (At least conceptually; the optimizer could inline the cleanup - subroutine in the same way it could inline normal subroutines.) - TRY_FINALLY_EXPR should be used when the cleanup is actual statements - in the source of the current function (which people might want to - set breakpoints in). */ + on any exit (normal, exception, or jump out) from this expression. */ DEFTREECODE (TRY_FINALLY_EXPR, "try_finally", 'e', 2) /* Used internally for cleanups in the implementation of TRY_FINALLY_EXPR.