diff options
Diffstat (limited to 'gcc/ira-int.h')
| -rw-r--r-- | gcc/ira-int.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/ira-int.h b/gcc/ira-int.h index 02bec132614..1b68c2fda40 100644 --- a/gcc/ira-int.h +++ b/gcc/ira-int.h @@ -75,6 +75,8 @@ DEF_VEC_ALLOC_P(ira_copy_t, heap); /* Typedef for pointer to the subsequent structure. */ typedef struct ira_loop_tree_node *ira_loop_tree_node_t; +typedef unsigned short move_table[N_REG_CLASSES]; + /* In general case, IRA is a regional allocator. The regions are nested and form a tree. Currently regions are natural loops. The following structure describes loop tree node (representing basic @@ -767,6 +769,21 @@ struct target_ira_int { HARD_REG_SET (x_ira_reg_mode_hard_regset [FIRST_PSEUDO_REGISTER][NUM_MACHINE_MODES]); + /* Maximum cost of moving from a register in one class to a register + in another class. Based on TARGET_REGISTER_MOVE_COST. */ + move_table *x_move_cost[MAX_MACHINE_MODE]; + + /* Similar, but here we don't have to move if the first index is a + subset of the second so in that case the cost is zero. */ + move_table *x_may_move_in_cost[MAX_MACHINE_MODE]; + + /* Similar, but here we don't have to move if the first index is a + superset of the second so in that case the cost is zero. */ + move_table *x_may_move_out_cost[MAX_MACHINE_MODE]; + + /* Keep track of the last mode we initialized move costs for. */ + int x_last_mode_for_init_move_cost; + /* Array based on TARGET_REGISTER_MOVE_COST. Don't use ira_register_move_cost directly. Use function of ira_get_may_move_cost instead. */ @@ -888,6 +905,12 @@ extern struct target_ira_int *this_target_ira_int; #define ira_reg_mode_hard_regset \ (this_target_ira_int->x_ira_reg_mode_hard_regset) +#define move_cost \ + (this_target_ira_int->x_move_cost) +#define may_move_in_cost \ + (this_target_ira_int->x_may_move_in_cost) +#define may_move_out_cost \ + (this_target_ira_int->x_may_move_out_cost) #define ira_register_move_cost \ (this_target_ira_int->x_ira_register_move_cost) #define ira_max_memory_move_cost \ |