diff options
Diffstat (limited to 'gcc/tree-flow.h')
| -rw-r--r-- | gcc/tree-flow.h | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/gcc/tree-flow.h b/gcc/tree-flow.h index 51a2051947d..7d7dc00a01b 100644 --- a/gcc/tree-flow.h +++ b/gcc/tree-flow.h @@ -736,7 +736,9 @@ void insert_edge_copies (tree, basic_block); extern void linear_transform_loops (struct loops *); /* In tree-ssa-loop-ivopts.c */ -extern bool expr_invariant_in_loop_p (struct loop *, tree); +bool expr_invariant_in_loop_p (struct loop *, tree); +bool multiplier_allowed_in_address_p (HOST_WIDE_INT); +unsigned multiply_by_cost (HOST_WIDE_INT, enum machine_mode); /* In tree-ssa-threadupdate.c. */ extern bool thread_through_all_blocks (bitmap); @@ -745,6 +747,48 @@ extern bool thread_through_all_blocks (bitmap); tree force_gimple_operand (tree, tree *, bool, tree); tree force_gimple_operand_bsi (block_stmt_iterator *, tree, bool, tree); +/* In tree-ssa-address.c */ + +/* Affine combination of trees. We keep track of at most MAX_AFF_ELTS elements + to make things simpler; this is sufficient in most cases. */ + +#define MAX_AFF_ELTS 8 + +struct affine_tree_combination +{ + /* Type of the result of the combination. */ + tree type; + + /* Mask modulo that the operations are performed. */ + unsigned HOST_WIDE_INT mask; + + /* Constant offset. */ + unsigned HOST_WIDE_INT offset; + + /* Number of elements of the combination. */ + unsigned n; + + /* Elements and their coefficients. */ + tree elts[MAX_AFF_ELTS]; + unsigned HOST_WIDE_INT coefs[MAX_AFF_ELTS]; + + /* Remainder of the expression. */ + tree rest; +}; + +/* Description of a memory address. */ + +struct mem_address +{ + tree symbol, base, index, step, offset; +}; + +tree create_mem_ref (block_stmt_iterator *, tree, + struct affine_tree_combination *); +rtx addr_for_mem_ref (struct mem_address *, bool); +void get_address_description (tree, struct mem_address *); +tree maybe_fold_tmr (tree); + #include "tree-flow-inline.h" #endif /* _TREE_FLOW_H */ |