diff options
Diffstat (limited to 'gcc/cp/cp-tree.def')
| -rw-r--r-- | gcc/cp/cp-tree.def | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/cp/cp-tree.def b/gcc/cp/cp-tree.def index 2cab39584c7..82b7954e29c 100644 --- a/gcc/cp/cp-tree.def +++ b/gcc/cp/cp-tree.def @@ -35,6 +35,15 @@ DEFTREECODE (CP_OFFSET_REF, "cp_offset_ref", "r", 2) DEFTREECODE (DELETE_EXPR, "dl_expr", "e", 2) DEFTREECODE (VEC_DELETE_EXPR, "vec_dl_expr", "e", 2) +/* For a UNSAVE_EXPR, operand 0 is the value to unsave. By unsave, we + mean that all _EXPRs such as TARGET_EXPRs, SAVE_EXPRs, + WITH_CLEANUP_EXPRs, CALL_EXPRs and RTL_EXPRs, that are protected + from being evaluated more than once should be reset so that a new + expand_expr call of this expr will cause those to be re-evaluated. + This is useful when we want to reuse a tree in different places, + but where we must re-expand. */ +DEFTREECODE (UNSAVE_EXPR, "unsave_expr", "e", 1) + /* Value is reference to particular overloaded class method. Operand 0 is the class name (an IDENTIFIER_NODE); operand 1 is the field (also an IDENTIFIER_NODE). |