diff options
Diffstat (limited to 'gcc-4.9/gcc/ira-int.h')
| -rw-r--r-- | gcc-4.9/gcc/ira-int.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/ira-int.h b/gcc-4.9/gcc/ira-int.h index 19d86019a..98476fba3 100644 --- a/gcc-4.9/gcc/ira-int.h +++ b/gcc-4.9/gcc/ira-int.h @@ -135,6 +135,10 @@ struct ira_loop_tree_node /* Numbers of copies referred in the corresponding loop. */ bitmap local_copies; + + /* The flag only valid for flag_shrink_wrap_frame_pointer. + It is true when the loop could use fp as a free register. */ + bool fp_is_free; }; /* The root of the loop tree corresponding to the all function. */ @@ -568,6 +572,8 @@ struct ira_allocno_copy case the copy frequency is smaller than the corresponding insn execution frequency. */ rtx insn; + /* list of copies generated from the same insn. */ + ira_copy_t copy_list; /* All copies with the same allocno as FIRST are linked by the two following members. */ ira_copy_t prev_first_allocno_copy, next_first_allocno_copy; @@ -1008,6 +1014,7 @@ extern ira_copy_t ira_create_copy (ira_allocno_t, ira_allocno_t, int, bool, rtx, ira_loop_tree_node_t); extern ira_copy_t ira_add_allocno_copy (ira_allocno_t, ira_allocno_t, int, bool, rtx, ira_loop_tree_node_t); +extern ira_copy_t find_alternate_copy (ira_copy_t cp, ira_allocno_t connect); extern int *ira_allocate_cost_vector (reg_class_t); extern void ira_free_cost_vector (int *, reg_class_t); |