diff options
Diffstat (limited to 'gcc/tree.def')
| -rw-r--r-- | gcc/tree.def | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/gcc/tree.def b/gcc/tree.def index d691150fafb..92bc594e0dd 100644 --- a/gcc/tree.def +++ b/gcc/tree.def @@ -689,11 +689,10 @@ DEFTREECODE (UNSAVE_EXPR, "unsave_expr", 'e', 1) /* Represents something whose RTL has already been expanded as a sequence which should be emitted when this expression is expanded. The first operand is the RTL to emit. It is the first of a chain - of insns. The second is the RTL expression for the result. If - RTL_EXPR_HAS_NO_SCOPE does not hold for this expression, then all - temporaries created within this RTL_EXPR (except for the - RTL_EXPR_RTL) are out-of-scope after the RTL_EXPR is expanded. (In - other words, their stack slots may be reused.) */ + of insns. The second is the RTL expression for the result. Any + temporaries created during the building of the RTL_EXPR can be + reused once the RTL_EXPR has been expanded, with the exception of + the RTL_EXPR_RTL. */ DEFTREECODE (RTL_EXPR, "rtl_expr", 'e', 2) /* & in C. Value is the address at which the operand's value resides. |