ia32_nodes_attr.h 4.8 KB
Newer Older
Christian Würdig's avatar
Christian Würdig committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
/*
 * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
 *
 * This file is part of libFirm.
 *
 * This file may be distributed and/or modified under the terms of the
 * GNU General Public License version 2 as published by the Free Software
 * Foundation and appearing in the file LICENSE.GPL included in the
 * packaging of this file.
 *
 * Licensees holding valid libFirm Professional Edition licenses may use
 * this file in accordance with the libFirm Commercial License.
 * Agreement provided with the Software.
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE.
 */

Christian Würdig's avatar
Christian Würdig committed
20
/**
Christian Würdig's avatar
Christian Würdig committed
21
22
23
24
 * @file
 * @brief       Type definitions for ia32 node attributes.
 * @author      Christian Wuerdig
 * @version     $Id$
Christian Würdig's avatar
Christian Würdig committed
25
 */
Christian Würdig's avatar
Christian Würdig committed
26
27
#ifndef FIRM_BE_IA32_IA32_NODES_ATTR_H
#define FIRM_BE_IA32_IA32_NODES_ATTR_H
28

Christian Würdig's avatar
Christian Würdig committed
29
30
#include "firm_config.h"

31
#include "firm_types.h"
32
#include "../bearch_t.h"
33
#include "../bemachine.h"
34

35
typedef enum { flavour_Div = 1, flavour_Mod, flavour_DivMod } ia32_op_flavour_t;
36
typedef enum { pn_EAX, pn_EDX } pn_ia32_Register;
37
38
39
40
41
42
43
44

typedef enum {
	ia32_Normal,
	ia32_AddrModeD,
	ia32_AddrModeS
} ia32_op_type_t;

typedef enum {
45
46
47
	ia32_ImmNone     = 0,
	ia32_ImmConst    = 1,
	ia32_ImmSymConst = 2
48
49
} ia32_immop_type_t;

50
typedef	enum {
51
52
53
54
55
	ia32_am_None   = 0,   /**<< no addrmode support */
	ia32_am_Dest   = 1,   /**<< addrmode for destination only */
	ia32_am_Source = 2,   /**<< addrmode for source only */
	ia32_am_Full   = 3    /**<< full addmode support */
} ia32_am_type_t;
56

Christian Würdig's avatar
Christian Würdig committed
57
58
59
60
61
62
63
/**
 * Different AM types:
 * O - Offset is set
 * B - Base is set
 * I - Index is set
 * S - Scale is set
 */
64
65

enum {
66
67
68
69
	ia32_O = (1 << 0),
	ia32_B = (1 << 1),
	ia32_I = (1 << 2),
	ia32_S = (1 << 3)
70
71
};

Christian Würdig's avatar
Christian Würdig committed
72
typedef enum {
73
74
75
76
77
	ia32_am_N    = 0,
	ia32_am_O    = ia32_O,
	ia32_am_B    = ia32_B,
	ia32_am_I    = ia32_I,
	ia32_am_IS   = ia32_I | ia32_S,
78
	ia32_am_BI   = ia32_B | ia32_I,
79
80
81
82
	ia32_am_OB   = ia32_O | ia32_B,
	ia32_am_OI   = ia32_O | ia32_I,
	ia32_am_OIS  = ia32_O | ia32_I | ia32_S,
	ia32_am_OBIS = ia32_O | ia32_B | ia32_I | ia32_S
Christian Würdig's avatar
Christian Würdig committed
83
84
} ia32_am_flavour_t;

85
86
87
88
enum {
	ia32_pn_Cmp_Unsigned = 0x100 /**< set this flag in a pnc to indicate an unsigned compare operation */
};

89
90
typedef struct ia32_attr_t ia32_attr_t;
struct ia32_attr_t {
91
	struct {
92
93
94
95
		unsigned tp:3;              /**< ia32 node type */
		unsigned imm_tp:2;          /**< ia32 immop type */
		unsigned am_support:2;      /**< indicates addrmode type supported by this node */
		unsigned am_flavour:4;      /**< the concrete addrmode characteristics */
96
		unsigned am_scale:2;        /**< addrmode scale for index register */
Christian Würdig's avatar
Christian Würdig committed
97

98
		unsigned offs_sign:1;       /**< sign bit of the first offset */
99
		unsigned am_sc_sign:1;      /**< sign bit of the address mode symconst */
Christian Würdig's avatar
Christian Würdig committed
100

101
		unsigned use_frame:1;       /**< indicates whether the operation uses the frame pointer or not */
102

103
		ia32_op_flavour_t op_flav:2;/**< flavour of an op (flavour_Div/Mod/DivMod) */
104

105
		unsigned flags:4;           /**< indicating if spillable, rematerializeable, stack modifying and/or ignore */
106

107
		unsigned is_commutative:1;  /**< indicates whether op is commutative or not */
108

Christian Würdig's avatar
Christian Würdig committed
109
110
		unsigned emit_cl:1;         /**< indicates whether we must emit cl instead of ecx (needed for shifts) */

111
112
		unsigned got_lea:1;         /**< indicates whether or not this node already consumed a LEA */

113
		unsigned need_stackent:1;   /**< set to 1 if node need space on stack */
Christian Würdig's avatar
Christian Würdig committed
114
115

		unsigned n_res:6;           /**< number of results produced by this node */
116
117
	} data;

118
	int       *out_flags;     /**< flags for each produced value */
119

120
121
	int        am_offs;       /**< offsets for AddrMode */
	ir_entity *am_sc;         /**< SymConst for AddrMode */
122

123
	union {
124
125
		tarval    *tv;        /**< tarval for immediate operations */
		ir_entity *sc;        /**< the symconst ident */
126
127
	} cnst_val;

128
129
	ir_mode *ls_mode;     /**< Load/Store mode: This is the mode of the value
	                           that is manipulated by this node. */
130

131
	ir_entity *frame_ent; /**< the frame entity attached to this node */
132

133
	long pn_code;       /**< projnum "types" (e.g. indicate compare operators and argument numbers for switches) */
Christian Würdig's avatar
Christian Würdig committed
134

Christian Würdig's avatar
Christian Würdig committed
135
136
	unsigned latency;   /**< the latency of the instruction in clock cycles */

Christian Würdig's avatar
Christian Würdig committed
137
138
139
#ifndef NDEBUG
	const char *orig_node;      /**< holds the name of the original ir node for debugging purposes */
#endif /* NDEBUG */
140

141
	const be_execution_unit_t ***exec_units; /**< list of units this operation can be executed on */
142

Matthias Braun's avatar
Matthias Braun committed
143
144
	const arch_register_req_t **in_req;  /**< register requirements for arguments */
	const arch_register_req_t **out_req; /**< register requirements for results */
145

Michael Beck's avatar
Michael Beck committed
146
	const arch_register_t *x87[3];       /**< register slots for x87 register */
147
148
149

	/* must be last, dynamic */
	const arch_register_t *slots[1];     /**< register slots for assigned registers */
150
};
151

Christian Würdig's avatar
Christian Würdig committed
152
#endif /* FIRM_BE_IA32_IA32_NODES_ATTR_H */