diff options
Diffstat (limited to 'gcc/tree.def')
| -rw-r--r-- | gcc/tree.def | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/gcc/tree.def b/gcc/tree.def index 5afe765..12a6394 100644 --- a/gcc/tree.def +++ b/gcc/tree.def @@ -354,9 +354,11 @@ DEFTREECODE (TRANSLATION_UNIT_DECL, "translation_unit_decl", 'd', 0) /* References to storage. */ /* Value is structure or union component. - Operand 0 is the structure or union (an expression); - operand 1 is the field (a node of type FIELD_DECL). */ -DEFTREECODE (COMPONENT_REF, "component_ref", 'r', 2) + Operand 0 is the structure or union (an expression). + Operand 1 is the field (a node of type FIELD_DECL). + Operand 2, if present, is the value of DECL_FIELD_OFFSET, measured + in units of DECL_OFFSET_ALIGN / BITS_PER_UNIT. */ +DEFTREECODE (COMPONENT_REF, "component_ref", 'r', 3) /* Reference to a group of bits within an object. Similar to COMPONENT_REF except the position is given explicitly rather than via a FIELD_DECL. @@ -374,13 +376,16 @@ DEFTREECODE (INDIRECT_REF, "indirect_ref", 'r', 1) DEFTREECODE (BUFFER_REF, "buffer_ref", 'r', 1) /* Array indexing. - Operand 0 is the array; operand 1 is a (single) array index. */ -DEFTREECODE (ARRAY_REF, "array_ref", 'r', 2) + Operand 0 is the array; operand 1 is a (single) array index. + Operand 2, if present, is a copy of TYPE_MIN_VALUE of the index. + Operand 3, if present, is the element size, measured in units of + the alignment of the element type. */ +DEFTREECODE (ARRAY_REF, "array_ref", 'r', 4) /* Likewise, except that the result is a range ("slice") of the array. The starting index of the resulting array is taken from operand 1 and the size of the range is taken from the type of the expression. */ -DEFTREECODE (ARRAY_RANGE_REF, "array_range_ref", 'r', 2) +DEFTREECODE (ARRAY_RANGE_REF, "array_range_ref", 'r', 4) /* Vtable indexing. Carries data useful for emitting information for vtable garbage collection. |