benode_t.h 3.53 KB
Newer Older
Sebastian Hack's avatar
Sebastian Hack committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
/**
 * @file   benode_t.h
 * @date   17.05.2005
 * @author Sebastian Hack
 *
 * Backend node support.
 *
 * Copyright (C) 2005 Universitaet Karlsruhe
 * Released under the GPL
 */

#ifndef _BENODE_T_H
#define _BENODE_T_H

Sebastian Hack's avatar
Sebastian Hack committed
15
#include "firm_config.h"
16
17
#include "pmap.h"

Sebastian Hack's avatar
Sebastian Hack committed
18
19
#include "irmode.h"
#include "irnode.h"
20
#include "entity_t.h"
Sebastian Hack's avatar
Sebastian Hack committed
21

22
#include "be_t.h"
Sebastian Hack's avatar
Sebastian Hack committed
23
24
#include "bearch.h"

Sebastian Hack's avatar
Sebastian Hack committed
25
26
27
28
29
30
31
typedef enum {
	beo_NoBeOp = 0,
	beo_Spill,
	beo_Reload,
	beo_Perm,
	beo_Copy,
	beo_Keep,
Sebastian Hack's avatar
Sebastian Hack committed
32
33
34
35
	beo_Call,
	beo_AddSP,
	beo_IncSP,
	beo_StackParam,
Sebastian Hack's avatar
Sebastian Hack committed
36
37
	beo_Last
} be_opcode_t;
38

Sebastian Hack's avatar
Sebastian Hack committed
39
void be_node_init(void);
40

Sebastian Hack's avatar
Sebastian Hack committed
41
const arch_irn_handler_t be_node_irn_handler;
Sebastian Hack's avatar
Sebastian Hack committed
42

Sebastian Hack's avatar
Sebastian Hack committed
43
44
45
46
47
ir_node *be_new_Spill(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *node_to_spill, ir_node *ctx);
ir_node *be_new_Reload(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *spill_node);
ir_node *be_new_Copy(const arch_register_class_t *cls, ir_graph *irg, ir_node *block, ir_node *in);
ir_node *be_new_Perm(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int arity, ir_node *in[]);
ir_node *be_new_Keep(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int arity, ir_node *in[]);
Sebastian Hack's avatar
Sebastian Hack committed
48

Sebastian Hack's avatar
Sebastian Hack committed
49
50
51
52
53
54
ir_node *be_new_AddSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *operand);
ir_node *be_new_IncSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, int amount);
ir_node *be_new_Call(ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *sp, ir_node *ptr, int n, ir_node *in[]);
ir_node *be_new_StackParam(ir_graph *irg);
ir_node *be_new_RegParams(ir_graph *irg, int n_out);

Sebastian Hack's avatar
Sebastian Hack committed
55
56
ir_node *be_spill(const arch_env_t *arch_env, ir_node *irn,ir_node *spill_ctx);
ir_node *be_reload(const arch_env_t *arch_env, const arch_register_class_t *cls, ir_node *irn, int pos, ir_mode *mode, ir_node *spill);
Sebastian Hack's avatar
Sebastian Hack committed
57

58
59
60
61
int be_is_Spill(const ir_node *irn);
int be_is_Reload(const ir_node *irn);
int be_is_Copy(const ir_node *irn);
int be_is_Perm(const ir_node *irn);
Sebastian Hack's avatar
Sebastian Hack committed
62
int be_is_Keep(const ir_node *irn);
Sebastian Hack's avatar
Sebastian Hack committed
63
64
65
66
67
68
int be_is_Call(const ir_node *irn);
int be_is_AddSP(const ir_node *irn);
int be_is_IncSP(const ir_node *irn);

void be_set_IncSP_offset(ir_node *irn, int offset);
int be_get_IncSP_offset(ir_node *irn);
Sebastian Hack's avatar
Sebastian Hack committed
69

70
71
void   be_set_Spill_entity(ir_node *irn, entity *ent);
entity *be_get_spill_entity(ir_node *irn);
72

Sebastian Hack's avatar
Sebastian Hack committed
73
ir_node *be_get_Spill_context(const ir_node *irn);
74

Sebastian Hack's avatar
Sebastian Hack committed
75
76
77
78
79
80
81
/**
 * Impose a register constraint on a backend node.
 * @param irn The node.
 * @param pos The position of the argument/result. Results range from -1..-m and arguments form 0..n
 * @param reg The register which is admissible for that node, argument/result and position.
 */
void be_set_constr_single_reg(ir_node *irn, int pos, const arch_register_t *reg);
82

83
/**
84
85
86
87
88
89
 * Impose register constraints on a backend node.
 * The register subsets given by the limited function in @p req are copied to the backend node.
 * This requires that the constraint type of the @p req is arch_register_req_type_limited.
 * @param irn The backend node.
 * @param pos The position (@see be_set_constr_single_reg()).
 * @param req The register requirements which shall be transferred.
90
 */
91
void be_set_constr_limited(ir_node *irn, int pos, const arch_register_req_t *req);
92
93
94
95
96
97
98

/**
 * Insert a Perm node after a specific node in the schedule.
 * The Perm permutes over all values live at the given node.
 * This means that all liveness intervals are cut apart at this
 * location in the program.
 */
Sebastian Hack's avatar
Sebastian Hack committed
99
ir_node *insert_Perm_after(const arch_env_t *env,
Sebastian Hack's avatar
Sebastian Hack committed
100
101
102
						   const arch_register_class_t *cls,
						   dom_front_info_t *dom_front,
						   ir_node *pos);
Sebastian Hack's avatar
Sebastian Hack committed
103

Sebastian Hack's avatar
Sebastian Hack committed
104

Sebastian Hack's avatar
Sebastian Hack committed
105
#endif /* _BENODE_T_H */