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comparison gcc/cselib.h @ 67:f6334be47118

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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents b7f97abdc517
children 04ced10e8804
comparison
equal deleted inserted replaced
65:65488c3d617d 67:f6334be47118
18 You should have received a copy of the GNU General Public License 18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see 19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */ 20 <http://www.gnu.org/licenses/>. */
21 21
22 /* Describe a value. */ 22 /* Describe a value. */
23 typedef struct GTY(()) cselib_val_struct { 23 typedef struct cselib_val_struct {
24 /* The hash value. */ 24 /* The hash value. */
25 unsigned int hash; 25 unsigned int hash;
26 26
27 /* A unique id assigned to values. */ 27 /* A unique id assigned to values. */
28 int uid; 28 int uid;
40 40
41 struct cselib_val_struct *next_containing_mem; 41 struct cselib_val_struct *next_containing_mem;
42 } cselib_val; 42 } cselib_val;
43 43
44 /* A list of rtl expressions that hold the same value. */ 44 /* A list of rtl expressions that hold the same value. */
45 struct GTY(()) elt_loc_list { 45 struct elt_loc_list {
46 /* Next element in the list. */ 46 /* Next element in the list. */
47 struct elt_loc_list *next; 47 struct elt_loc_list *next;
48 /* An rtl expression that holds the value. */ 48 /* An rtl expression that holds the value. */
49 rtx loc; 49 rtx loc;
50 /* The insn that made the equivalence. */ 50 /* The insn that made the equivalence. */
51 rtx setting_insn; 51 rtx setting_insn;
52 };
53
54 /* A list of cselib_val structures. */
55 struct GTY(()) elt_list {
56 struct elt_list *next;
57 cselib_val *elt;
58 }; 52 };
59 53
60 /* Describe a single set that is part of an insn. */ 54 /* Describe a single set that is part of an insn. */
61 struct cselib_set 55 struct cselib_set
62 { 56 {
74 68
75 extern void (*cselib_discard_hook) (cselib_val *); 69 extern void (*cselib_discard_hook) (cselib_val *);
76 extern void (*cselib_record_sets_hook) (rtx insn, struct cselib_set *sets, 70 extern void (*cselib_record_sets_hook) (rtx insn, struct cselib_set *sets,
77 int n_sets); 71 int n_sets);
78 72
79 extern cselib_val *cselib_lookup (rtx, enum machine_mode, int); 73 extern cselib_val *cselib_lookup (rtx, enum machine_mode,
80 extern cselib_val *cselib_lookup_from_insn (rtx, enum machine_mode, int, rtx); 74 int, enum machine_mode);
75 extern cselib_val *cselib_lookup_from_insn (rtx, enum machine_mode,
76 int, enum machine_mode, rtx);
81 extern void cselib_init (int); 77 extern void cselib_init (int);
82 extern void cselib_clear_table (void); 78 extern void cselib_clear_table (void);
83 extern void cselib_finish (void); 79 extern void cselib_finish (void);
84 extern void cselib_process_insn (rtx); 80 extern void cselib_process_insn (rtx);
85 extern enum machine_mode cselib_reg_set_mode (const_rtx); 81 extern enum machine_mode cselib_reg_set_mode (const_rtx);
89 typedef rtx (*cselib_expand_callback)(rtx, bitmap, int, void *); 85 typedef rtx (*cselib_expand_callback)(rtx, bitmap, int, void *);
90 extern rtx cselib_expand_value_rtx_cb (rtx, bitmap, int, 86 extern rtx cselib_expand_value_rtx_cb (rtx, bitmap, int,
91 cselib_expand_callback, void *); 87 cselib_expand_callback, void *);
92 extern bool cselib_dummy_expand_value_rtx_cb (rtx, bitmap, int, 88 extern bool cselib_dummy_expand_value_rtx_cb (rtx, bitmap, int,
93 cselib_expand_callback, void *); 89 cselib_expand_callback, void *);
94 extern rtx cselib_subst_to_values (rtx); 90 extern rtx cselib_subst_to_values (rtx, enum machine_mode);
95 extern void cselib_invalidate_rtx (rtx); 91 extern void cselib_invalidate_rtx (rtx);
96 92
97 extern void cselib_reset_table (unsigned int); 93 extern void cselib_reset_table (unsigned int);
98 extern unsigned int cselib_get_next_uid (void); 94 extern unsigned int cselib_get_next_uid (void);
99 extern void cselib_preserve_value (cselib_val *); 95 extern void cselib_preserve_value (cselib_val *);
100 extern bool cselib_preserved_value_p (cselib_val *); 96 extern bool cselib_preserved_value_p (cselib_val *);
101 extern void cselib_preserve_only_values (void); 97 extern void cselib_preserve_only_values (void);
102 extern void cselib_preserve_cfa_base_value (cselib_val *); 98 extern void cselib_preserve_cfa_base_value (cselib_val *, unsigned int);
103 99
104 extern void dump_cselib_table (FILE *); 100 extern void dump_cselib_table (FILE *);