diff options
Diffstat (limited to 'gcc/gimple.def')
-rw-r--r-- | gcc/gimple.def | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/gcc/gimple.def b/gcc/gimple.def index 23eaae2e86e..26aa719f660 100644 --- a/gcc/gimple.def +++ b/gcc/gimple.def @@ -102,16 +102,17 @@ DEFGSCODE(GIMPLE_CHANGE_DYNAMIC_TYPE, "gimple_change_dynamic_type", SUBCODE is the tree code for the expression computed by the RHS of the assignment. It must be one of the tree codes accepted by - get_gimple_rhs_class. + get_gimple_rhs_class. If LHS is not a gimple register according to + is_gimple_reg, SUBCODE must be of class GIMPLE_SINGLE_RHS. LHS is the operand on the LHS of the assignment. It must be a tree node - accepted by is_gimple_operand. + accepted by is_gimple_lvalue. - RHS1 is the first operand on the RHS of the assignment. It must be a tree - node accepted by is_gimple_operand. + RHS1 is the first operand on the RHS of the assignment. It must always be + present. It must be a tree node accepted by is_gimple_val. - RHS2 is the second operand on the RHS of the assignemnt. It must be a tree - node accepted by is_gimple_operand. This argument exists only if SUBCODE is + RHS2 is the second operand on the RHS of the assignment. It must be a tree + node accepted by is_gimple_val. This argument exists only if SUBCODE is of class GIMPLE_BINARY_RHS. */ DEFGSCODE(GIMPLE_ASSIGN, "gimple_assign", struct gimple_statement_with_memory_ops) |