aboutsummaryrefslogtreecommitdiff
path: root/tcg/i386/tcg-target.h
blob: bdf22224526a9afe8c937e8afaac76bc6665cbde (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
/*
 * Tiny Code Generator for QEMU
 *
 * Copyright (c) 2008 Fabrice Bellard
 *
 * 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 TCG_TARGET_I386 
#define TCG_TARGET_I386 1

#undef TCG_TARGET_WORDS_BIGENDIAN

#ifdef __x86_64__
# define TCG_TARGET_REG_BITS  64
# define TCG_TARGET_NB_REGS   16
#else
# define TCG_TARGET_REG_BITS  32
# define TCG_TARGET_NB_REGS    8
#endif

typedef enum {
    TCG_REG_EAX = 0,
    TCG_REG_ECX,
    TCG_REG_EDX,
    TCG_REG_EBX,
    TCG_REG_ESP,
    TCG_REG_EBP,
    TCG_REG_ESI,
    TCG_REG_EDI,

    /* 64-bit registers; always define the symbols to avoid
       too much if-deffing.  */
    TCG_REG_R8,
    TCG_REG_R9,
    TCG_REG_R10,
    TCG_REG_R11,
    TCG_REG_R12,
    TCG_REG_R13,
    TCG_REG_R14,
    TCG_REG_R15,
    TCG_REG_RAX = TCG_REG_EAX,
    TCG_REG_RCX = TCG_REG_ECX,
    TCG_REG_RDX = TCG_REG_EDX,
    TCG_REG_RBX = TCG_REG_EBX,
    TCG_REG_RSP = TCG_REG_ESP,
    TCG_REG_RBP = TCG_REG_EBP,
    TCG_REG_RSI = TCG_REG_ESI,
    TCG_REG_RDI = TCG_REG_EDI,
} TCGReg;

/* used for function call generation */
#define TCG_REG_CALL_STACK TCG_REG_ESP 
#define TCG_TARGET_STACK_ALIGN 16
#if defined(_WIN64)
#define TCG_TARGET_CALL_STACK_OFFSET 32
#else
#define TCG_TARGET_CALL_STACK_OFFSET 0
#endif

extern bool have_bmi1;

/* optional instructions */
#define TCG_TARGET_HAS_div2_i32         1
#define TCG_TARGET_HAS_rot_i32          1
#define TCG_TARGET_HAS_ext8s_i32        1
#define TCG_TARGET_HAS_ext16s_i32       1
#define TCG_TARGET_HAS_ext8u_i32        1
#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_neg_i32          1
#define TCG_TARGET_HAS_not_i32          1
#define TCG_TARGET_HAS_andc_i32         have_bmi1
#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_deposit_i32      1
#define TCG_TARGET_HAS_movcond_i32      1
#define TCG_TARGET_HAS_add2_i32         1
#define TCG_TARGET_HAS_sub2_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

#if TCG_TARGET_REG_BITS == 64
#define TCG_TARGET_HAS_div2_i64         1
#define TCG_TARGET_HAS_rot_i64          1
#define TCG_TARGET_HAS_ext8s_i64        1
#define TCG_TARGET_HAS_ext16s_i64       1
#define TCG_TARGET_HAS_ext32s_i64       1
#define TCG_TARGET_HAS_ext8u_i64        1
#define TCG_TARGET_HAS_ext16u_i64       1
#define TCG_TARGET_HAS_ext32u_i64       1
#define TCG_TARGET_HAS_bswap16_i64      1
#define TCG_TARGET_HAS_bswap32_i64      1
#define TCG_TARGET_HAS_bswap64_i64      1
#define TCG_TARGET_HAS_neg_i64          1
#define TCG_TARGET_HAS_not_i64          1
#define TCG_TARGET_HAS_andc_i64         have_bmi1
#define TCG_TARGET_HAS_orc_i64          0
#define TCG_TARGET_HAS_eqv_i64          0
#define TCG_TARGET_HAS_nand_i64         0
#define TCG_TARGET_HAS_nor_i64          0
#define TCG_TARGET_HAS_deposit_i64      1
#define TCG_TARGET_HAS_movcond_i64      1
#define TCG_TARGET_HAS_add2_i64         1
#define TCG_TARGET_HAS_sub2_i64         1
#define TCG_TARGET_HAS_mulu2_i64        1
#define TCG_TARGET_HAS_muls2_i64        1
#define TCG_TARGET_HAS_muluh_i64        0
#define TCG_TARGET_HAS_mulsh_i64        0
#endif

#define TCG_TARGET_HAS_new_ldst         1

#define TCG_TARGET_deposit_i32_valid(ofs, len) \
    (((ofs) == 0 && (len) == 8) || ((ofs) == 8 && (len) == 8) || \
     ((ofs) == 0 && (len) == 16))
#define TCG_TARGET_deposit_i64_valid    TCG_TARGET_deposit_i32_valid

#if TCG_TARGET_REG_BITS == 64
# define TCG_AREG0 TCG_REG_R14
#else
# define TCG_AREG0 TCG_REG_EBP
#endif

static inline void flush_icache_range(uintptr_t start, uintptr_t stop)
{
}

#endif