aboutsummaryrefslogtreecommitdiff
path: root/tcg/arm/tcg-target.h
blob: 311a9852095f579e25680cb7c97f473972a56f15 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
/*
 * Tiny Code Generator for QEMU
 *
 * Copyright (c) 2008 Fabrice Bellard
 * Copyright (c) 2008 Andrzej Zaborowski
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#ifndef ARM_TCG_TARGET_H
#define ARM_TCG_TARGET_H

extern int arm_arch;

#define use_armv7_instructions  (__ARM_ARCH >= 7 || arm_arch >= 7)

#define TCG_TARGET_INSN_UNIT_SIZE 4
#define MAX_CODE_GEN_BUFFER_SIZE  UINT32_MAX

typedef enum {
    TCG_REG_R0 = 0,
    TCG_REG_R1,
    TCG_REG_R2,
    TCG_REG_R3,
    TCG_REG_R4,
    TCG_REG_R5,
    TCG_REG_R6,
    TCG_REG_R7,
    TCG_REG_R8,
    TCG_REG_R9,
    TCG_REG_R10,
    TCG_REG_R11,
    TCG_REG_R12,
    TCG_REG_R13,
    TCG_REG_R14,
    TCG_REG_PC,

    TCG_REG_Q0,
    TCG_REG_Q1,
    TCG_REG_Q2,
    TCG_REG_Q3,
    TCG_REG_Q4,
    TCG_REG_Q5,
    TCG_REG_Q6,
    TCG_REG_Q7,
    TCG_REG_Q8,
    TCG_REG_Q9,
    TCG_REG_Q10,
    TCG_REG_Q11,
    TCG_REG_Q12,
    TCG_REG_Q13,
    TCG_REG_Q14,
    TCG_REG_Q15,

    TCG_AREG0 = TCG_REG_R6,
    TCG_REG_CALL_STACK = TCG_REG_R13,
} TCGReg;

#define TCG_TARGET_NB_REGS 32

#ifdef __ARM_ARCH_EXT_IDIV__
#define use_idiv_instructions  1
#else
extern bool use_idiv_instructions;
#endif
#ifdef __ARM_NEON__
#define use_neon_instructions  1
#else
extern bool use_neon_instructions;
#endif

/* used for function call generation */
#define TCG_TARGET_STACK_ALIGN		8
#define TCG_TARGET_CALL_STACK_OFFSET	0
#define TCG_TARGET_CALL_ARG_I32         TCG_CALL_ARG_NORMAL
#define TCG_TARGET_CALL_ARG_I64         TCG_CALL_ARG_EVEN
#define TCG_TARGET_CALL_ARG_I128        TCG_CALL_ARG_EVEN
#define TCG_TARGET_CALL_RET_I128        TCG_CALL_RET_BY_REF

/* optional instructions */
#define TCG_TARGET_HAS_ext8s_i32        1
#define TCG_TARGET_HAS_ext16s_i32       1
#define TCG_TARGET_HAS_ext8u_i32        0 /* and r0, r1, #0xff */
#define TCG_TARGET_HAS_ext16u_i32       1
#define TCG_TARGET_HAS_bswap16_i32      1
#define TCG_TARGET_HAS_bswap32_i32      1
#define TCG_TARGET_HAS_not_i32          1
#define TCG_TARGET_HAS_neg_i32          1
#define TCG_TARGET_HAS_rot_i32          1
#define TCG_TARGET_HAS_andc_i32         1
#define TCG_TARGET_HAS_orc_i32          0
#define TCG_TARGET_HAS_eqv_i32          0
#define TCG_TARGET_HAS_nand_i32         0
#define TCG_TARGET_HAS_nor_i32          0
#define TCG_TARGET_HAS_clz_i32          1
#define TCG_TARGET_HAS_ctz_i32          use_armv7_instructions
#define TCG_TARGET_HAS_ctpop_i32        0
#define TCG_TARGET_HAS_deposit_i32      use_armv7_instructions
#define TCG_TARGET_HAS_extract_i32      use_armv7_instructions
#define TCG_TARGET_HAS_sextract_i32     use_armv7_instructions
#define TCG_TARGET_HAS_extract2_i32     1
#define TCG_TARGET_HAS_movcond_i32      1
#define TCG_TARGET_HAS_negsetcond_i32   1
#define TCG_TARGET_HAS_mulu2_i32        1
#define TCG_TARGET_HAS_muls2_i32        1
#define TCG_TARGET_HAS_muluh_i32        0
#define TCG_TARGET_HAS_mulsh_i32        0
#define TCG_TARGET_HAS_div_i32          use_idiv_instructions
#define TCG_TARGET_HAS_rem_i32          0
#define TCG_TARGET_HAS_qemu_st8_i32     0

#define TCG_TARGET_HAS_qemu_ldst_i128   0

#define TCG_TARGET_HAS_v64              use_neon_instructions
#define TCG_TARGET_HAS_v128             use_neon_instructions
#define TCG_TARGET_HAS_v256             0

#define TCG_TARGET_HAS_andc_vec         1
#define TCG_TARGET_HAS_orc_vec          1
#define TCG_TARGET_HAS_nand_vec         0
#define TCG_TARGET_HAS_nor_vec          0
#define TCG_TARGET_HAS_eqv_vec          0
#define TCG_TARGET_HAS_not_vec          1
#define TCG_TARGET_HAS_neg_vec          1
#define TCG_TARGET_HAS_abs_vec          1
#define TCG_TARGET_HAS_roti_vec         0
#define TCG_TARGET_HAS_rots_vec         0
#define TCG_TARGET_HAS_rotv_vec         0
#define TCG_TARGET_HAS_shi_vec          1
#define TCG_TARGET_HAS_shs_vec          0
#define TCG_TARGET_HAS_shv_vec          0
#define TCG_TARGET_HAS_mul_vec          1
#define TCG_TARGET_HAS_sat_vec          1
#define TCG_TARGET_HAS_minmax_vec       1
#define TCG_TARGET_HAS_bitsel_vec       1
#define TCG_TARGET_HAS_cmpsel_vec       0

#define TCG_TARGET_DEFAULT_MO (0)
#define TCG_TARGET_NEED_LDST_LABELS
#define TCG_TARGET_NEED_POOL_LABELS

#endif