annotate third_party/luajit/src/lj_bc.h @ 203:92a57bd716c1

removed unused file
author MrJuneJune <me@mrjunejune.com>
date Sun, 15 Feb 2026 09:13:09 -0800
parents 94705b5986b3
children
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1 /*
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2 ** Bytecode instruction format.
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3 ** Copyright (C) 2005-2023 Mike Pall. See Copyright Notice in luajit.h
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4 */
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5
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6 #ifndef _LJ_BC_H
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7 #define _LJ_BC_H
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8
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9 #include "lj_def.h"
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10 #include "lj_arch.h"
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11
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12 /* Bytecode instruction format, 32 bit wide, fields of 8 or 16 bit:
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13 **
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14 ** +----+----+----+----+
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15 ** | B | C | A | OP | Format ABC
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16 ** +----+----+----+----+
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17 ** | D | A | OP | Format AD
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18 ** +--------------------
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19 ** MSB LSB
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20 **
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21 ** In-memory instructions are always stored in host byte order.
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22 */
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23
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24 /* Operand ranges and related constants. */
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25 #define BCMAX_A 0xff
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26 #define BCMAX_B 0xff
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27 #define BCMAX_C 0xff
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28 #define BCMAX_D 0xffff
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29 #define BCBIAS_J 0x8000
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30 #define NO_REG BCMAX_A
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31 #define NO_JMP (~(BCPos)0)
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32
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33 /* Macros to get instruction fields. */
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34 #define bc_op(i) ((BCOp)((i)&0xff))
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35 #define bc_a(i) ((BCReg)(((i)>>8)&0xff))
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36 #define bc_b(i) ((BCReg)((i)>>24))
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37 #define bc_c(i) ((BCReg)(((i)>>16)&0xff))
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38 #define bc_d(i) ((BCReg)((i)>>16))
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39 #define bc_j(i) ((ptrdiff_t)bc_d(i)-BCBIAS_J)
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40
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41 /* Macros to set instruction fields. */
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42 #define setbc_byte(p, x, ofs) \
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43 ((uint8_t *)(p))[LJ_ENDIAN_SELECT(ofs, 3-ofs)] = (uint8_t)(x)
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44 #define setbc_op(p, x) setbc_byte(p, (x), 0)
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45 #define setbc_a(p, x) setbc_byte(p, (x), 1)
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46 #define setbc_b(p, x) setbc_byte(p, (x), 3)
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47 #define setbc_c(p, x) setbc_byte(p, (x), 2)
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48 #define setbc_d(p, x) \
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49 ((uint16_t *)(p))[LJ_ENDIAN_SELECT(1, 0)] = (uint16_t)(x)
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50 #define setbc_j(p, x) setbc_d(p, (BCPos)((int32_t)(x)+BCBIAS_J))
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51
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52 /* Macros to compose instructions. */
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53 #define BCINS_ABC(o, a, b, c) \
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54 (((BCIns)(o))|((BCIns)(a)<<8)|((BCIns)(b)<<24)|((BCIns)(c)<<16))
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55 #define BCINS_AD(o, a, d) \
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56 (((BCIns)(o))|((BCIns)(a)<<8)|((BCIns)(d)<<16))
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57 #define BCINS_AJ(o, a, j) BCINS_AD(o, a, (BCPos)((int32_t)(j)+BCBIAS_J))
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58
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59 /* Bytecode instruction definition. Order matters, see below.
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60 **
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61 ** (name, filler, Amode, Bmode, Cmode or Dmode, metamethod)
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62 **
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63 ** The opcode name suffixes specify the type for RB/RC or RD:
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64 ** V = variable slot
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65 ** S = string const
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66 ** N = number const
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67 ** P = primitive type (~itype)
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68 ** B = unsigned byte literal
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69 ** M = multiple args/results
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70 */
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71 #define BCDEF(_) \
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72 /* Comparison ops. ORDER OPR. */ \
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73 _(ISLT, var, ___, var, lt) \
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74 _(ISGE, var, ___, var, lt) \
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75 _(ISLE, var, ___, var, le) \
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76 _(ISGT, var, ___, var, le) \
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77 \
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78 _(ISEQV, var, ___, var, eq) \
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79 _(ISNEV, var, ___, var, eq) \
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80 _(ISEQS, var, ___, str, eq) \
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81 _(ISNES, var, ___, str, eq) \
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82 _(ISEQN, var, ___, num, eq) \
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83 _(ISNEN, var, ___, num, eq) \
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84 _(ISEQP, var, ___, pri, eq) \
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85 _(ISNEP, var, ___, pri, eq) \
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86 \
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87 /* Unary test and copy ops. */ \
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88 _(ISTC, dst, ___, var, ___) \
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89 _(ISFC, dst, ___, var, ___) \
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90 _(IST, ___, ___, var, ___) \
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91 _(ISF, ___, ___, var, ___) \
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92 _(ISTYPE, var, ___, lit, ___) \
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93 _(ISNUM, var, ___, lit, ___) \
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94 \
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95 /* Unary ops. */ \
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96 _(MOV, dst, ___, var, ___) \
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97 _(NOT, dst, ___, var, ___) \
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98 _(UNM, dst, ___, var, unm) \
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99 _(LEN, dst, ___, var, len) \
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100 \
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101 /* Binary ops. ORDER OPR. VV last, POW must be next. */ \
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102 _(ADDVN, dst, var, num, add) \
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103 _(SUBVN, dst, var, num, sub) \
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104 _(MULVN, dst, var, num, mul) \
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105 _(DIVVN, dst, var, num, div) \
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106 _(MODVN, dst, var, num, mod) \
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107 \
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108 _(ADDNV, dst, var, num, add) \
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109 _(SUBNV, dst, var, num, sub) \
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110 _(MULNV, dst, var, num, mul) \
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111 _(DIVNV, dst, var, num, div) \
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112 _(MODNV, dst, var, num, mod) \
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113 \
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114 _(ADDVV, dst, var, var, add) \
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115 _(SUBVV, dst, var, var, sub) \
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116 _(MULVV, dst, var, var, mul) \
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117 _(DIVVV, dst, var, var, div) \
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118 _(MODVV, dst, var, var, mod) \
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119 \
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120 _(POW, dst, var, var, pow) \
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121 _(CAT, dst, rbase, rbase, concat) \
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122 \
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123 /* Constant ops. */ \
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124 _(KSTR, dst, ___, str, ___) \
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125 _(KCDATA, dst, ___, cdata, ___) \
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diff changeset
126 _(KSHORT, dst, ___, lits, ___) \
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diff changeset
127 _(KNUM, dst, ___, num, ___) \
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parents:
diff changeset
128 _(KPRI, dst, ___, pri, ___) \
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diff changeset
129 _(KNIL, base, ___, base, ___) \
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diff changeset
130 \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
131 /* Upvalue and function ops. */ \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
132 _(UGET, dst, ___, uv, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
133 _(USETV, uv, ___, var, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
134 _(USETS, uv, ___, str, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
135 _(USETN, uv, ___, num, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
136 _(USETP, uv, ___, pri, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
137 _(UCLO, rbase, ___, jump, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
138 _(FNEW, dst, ___, func, gc) \
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MrJuneJune <me@mrjunejune.com>
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diff changeset
139 \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
140 /* Table ops. */ \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
141 _(TNEW, dst, ___, lit, gc) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
142 _(TDUP, dst, ___, tab, gc) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
143 _(GGET, dst, ___, str, index) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
144 _(GSET, var, ___, str, newindex) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
145 _(TGETV, dst, var, var, index) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
146 _(TGETS, dst, var, str, index) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
147 _(TGETB, dst, var, lit, index) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
148 _(TGETR, dst, var, var, index) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
149 _(TSETV, var, var, var, newindex) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
150 _(TSETS, var, var, str, newindex) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
151 _(TSETB, var, var, lit, newindex) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
152 _(TSETM, base, ___, num, newindex) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
153 _(TSETR, var, var, var, newindex) \
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MrJuneJune <me@mrjunejune.com>
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diff changeset
154 \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
155 /* Calls and vararg handling. T = tail call. */ \
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MrJuneJune <me@mrjunejune.com>
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diff changeset
156 _(CALLM, base, lit, lit, call) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
157 _(CALL, base, lit, lit, call) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
158 _(CALLMT, base, ___, lit, call) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
159 _(CALLT, base, ___, lit, call) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
160 _(ITERC, base, lit, lit, call) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
161 _(ITERN, base, lit, lit, call) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
162 _(VARG, base, lit, lit, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
163 _(ISNEXT, base, ___, jump, ___) \
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MrJuneJune <me@mrjunejune.com>
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diff changeset
164 \
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
165 /* Returns. */ \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
166 _(RETM, base, ___, lit, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
167 _(RET, rbase, ___, lit, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
168 _(RET0, rbase, ___, lit, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
169 _(RET1, rbase, ___, lit, ___) \
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MrJuneJune <me@mrjunejune.com>
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diff changeset
170 \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
171 /* Loops and branches. I/J = interp/JIT, I/C/L = init/call/loop. */ \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
172 _(FORI, base, ___, jump, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
173 _(JFORI, base, ___, jump, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
174 \
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
175 _(FORL, base, ___, jump, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
176 _(IFORL, base, ___, jump, ___) \
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
177 _(JFORL, base, ___, lit, ___) \
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MrJuneJune <me@mrjunejune.com>
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diff changeset
178 \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
179 _(ITERL, base, ___, jump, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
180 _(IITERL, base, ___, jump, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
181 _(JITERL, base, ___, lit, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
182 \
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
183 _(LOOP, rbase, ___, jump, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
184 _(ILOOP, rbase, ___, jump, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
185 _(JLOOP, rbase, ___, lit, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
186 \
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
187 _(JMP, rbase, ___, jump, ___) \
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
188 \
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
189 /* Function headers. I/J = interp/JIT, F/V/C = fixarg/vararg/C func. */ \
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
190 _(FUNCF, rbase, ___, ___, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
191 _(IFUNCF, rbase, ___, ___, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
192 _(JFUNCF, rbase, ___, lit, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
193 _(FUNCV, rbase, ___, ___, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
194 _(IFUNCV, rbase, ___, ___, ___) \
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
195 _(JFUNCV, rbase, ___, lit, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
196 _(FUNCC, rbase, ___, ___, ___) \
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
197 _(FUNCCW, rbase, ___, ___, ___)
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MrJuneJune <me@mrjunejune.com>
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diff changeset
198
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
199 /* Bytecode opcode numbers. */
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
200 typedef enum {
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
201 #define BCENUM(name, ma, mb, mc, mt) BC_##name,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
202 BCDEF(BCENUM)
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
203 #undef BCENUM
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
204 BC__MAX
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
205 } BCOp;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
206
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
207 LJ_STATIC_ASSERT((int)BC_ISEQV+1 == (int)BC_ISNEV);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
208 LJ_STATIC_ASSERT(((int)BC_ISEQV^1) == (int)BC_ISNEV);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
209 LJ_STATIC_ASSERT(((int)BC_ISEQS^1) == (int)BC_ISNES);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
210 LJ_STATIC_ASSERT(((int)BC_ISEQN^1) == (int)BC_ISNEN);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
211 LJ_STATIC_ASSERT(((int)BC_ISEQP^1) == (int)BC_ISNEP);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
212 LJ_STATIC_ASSERT(((int)BC_ISLT^1) == (int)BC_ISGE);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
213 LJ_STATIC_ASSERT(((int)BC_ISLE^1) == (int)BC_ISGT);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
214 LJ_STATIC_ASSERT(((int)BC_ISLT^3) == (int)BC_ISGT);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
215 LJ_STATIC_ASSERT((int)BC_IST-(int)BC_ISTC == (int)BC_ISF-(int)BC_ISFC);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
216 LJ_STATIC_ASSERT((int)BC_CALLT-(int)BC_CALL == (int)BC_CALLMT-(int)BC_CALLM);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
217 LJ_STATIC_ASSERT((int)BC_CALLMT + 1 == (int)BC_CALLT);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
218 LJ_STATIC_ASSERT((int)BC_RETM + 1 == (int)BC_RET);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
219 LJ_STATIC_ASSERT((int)BC_FORL + 1 == (int)BC_IFORL);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
220 LJ_STATIC_ASSERT((int)BC_FORL + 2 == (int)BC_JFORL);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
221 LJ_STATIC_ASSERT((int)BC_ITERL + 1 == (int)BC_IITERL);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
222 LJ_STATIC_ASSERT((int)BC_ITERL + 2 == (int)BC_JITERL);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
223 LJ_STATIC_ASSERT((int)BC_LOOP + 1 == (int)BC_ILOOP);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
224 LJ_STATIC_ASSERT((int)BC_LOOP + 2 == (int)BC_JLOOP);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
225 LJ_STATIC_ASSERT((int)BC_FUNCF + 1 == (int)BC_IFUNCF);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
226 LJ_STATIC_ASSERT((int)BC_FUNCF + 2 == (int)BC_JFUNCF);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
227 LJ_STATIC_ASSERT((int)BC_FUNCV + 1 == (int)BC_IFUNCV);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
228 LJ_STATIC_ASSERT((int)BC_FUNCV + 2 == (int)BC_JFUNCV);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
229
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
230 /* This solves a circular dependency problem, change as needed. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
231 #define FF_next_N 4
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
232
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
233 /* Stack slots used by FORI/FORL, relative to operand A. */
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
234 enum {
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
235 FORL_IDX, FORL_STOP, FORL_STEP, FORL_EXT
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
236 };
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
237
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
238 /* Bytecode operand modes. ORDER BCMode */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
239 typedef enum {
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
240 BCMnone, BCMdst, BCMbase, BCMvar, BCMrbase, BCMuv, /* Mode A must be <= 7 */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
241 BCMlit, BCMlits, BCMpri, BCMnum, BCMstr, BCMtab, BCMfunc, BCMjump, BCMcdata,
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
242 BCM_max
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
243 } BCMode;
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
244 #define BCM___ BCMnone
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
245
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
246 #define bcmode_a(op) ((BCMode)(lj_bc_mode[op] & 7))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
247 #define bcmode_b(op) ((BCMode)((lj_bc_mode[op]>>3) & 15))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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248 #define bcmode_c(op) ((BCMode)((lj_bc_mode[op]>>7) & 15))
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249 #define bcmode_d(op) bcmode_c(op)
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250 #define bcmode_hasd(op) ((lj_bc_mode[op] & (15<<3)) == (BCMnone<<3))
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251 #define bcmode_mm(op) ((MMS)(lj_bc_mode[op]>>11))
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252
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253 #define BCMODE(name, ma, mb, mc, mm) \
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254 (BCM##ma|(BCM##mb<<3)|(BCM##mc<<7)|(MM_##mm<<11)),
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255 #define BCMODE_FF 0
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256
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257 static LJ_AINLINE int bc_isret(BCOp op)
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258 {
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259 return (op == BC_RETM || op == BC_RET || op == BC_RET0 || op == BC_RET1);
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260 }
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261
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262 LJ_DATA const uint16_t lj_bc_mode[];
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263 LJ_DATA const uint16_t lj_bc_ofs[];
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264
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265 #endif