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Diffstat (limited to 'libraries/LuaJIT-1.1.7/src/ljit_x86.h')
-rw-r--r--libraries/LuaJIT-1.1.7/src/ljit_x86.h2301
1 files changed, 0 insertions, 2301 deletions
diff --git a/libraries/LuaJIT-1.1.7/src/ljit_x86.h b/libraries/LuaJIT-1.1.7/src/ljit_x86.h
deleted file mode 100644
index fc860bc..0000000
--- a/libraries/LuaJIT-1.1.7/src/ljit_x86.h
+++ /dev/null
@@ -1,2301 +0,0 @@
1/*
2** This file has been pre-processed with DynASM.
3** http://luajit.org/dynasm.html
4** DynASM version 1.1.4, DynASM x86 version 1.1.4
5** DO NOT EDIT! The original file is in "ljit_x86.dasc".
6*/
7
8#if DASM_VERSION != 10104
9#error "Version mismatch between DynASM and included encoding engine"
10#endif
11
12/*
13** Bytecode to machine code translation for x86 CPUs.
14** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h
15*/
16
17#define DASM_SECTION_CODE 0
18#define DASM_SECTION_DEOPT 1
19#define DASM_SECTION_TAIL 2
20#define DASM_SECTION_MFMAP 3
21#define DASM_MAXSECTION 4
22#define Dt1(_V) (int)&(((lua_State *)0)_V)
23#define Dt2(_V) (int)&(((TValue *)0)_V)
24#define Dt3(_V) (int)&(((TValue *)0)_V)
25#define Dt4(_V) (int)&(((CallInfo *)0)_V)
26#define Dt5(_V) (int)&(((LClosure *)0)_V)
27#define Dt6(_V) (int)&(((global_State *)0)_V)
28#define Dt7(_V) (int)&(((TValue *)0)_V)
29#define Dt8(_V) (int)&(((Value *)0)_V)
30#define Dt9(_V) (int)&(((CallInfo *)0)_V)
31#define DtA(_V) (int)&(((GCObject *)0)_V)
32#define DtB(_V) (int)&(((TString *)0)_V)
33#define DtC(_V) (int)&(((Table *)0)_V)
34#define DtD(_V) (int)&(((CClosure *)0)_V)
35#define DtE(_V) (int)&(((Proto *)0)_V)
36#define DtF(_V) (int)&(((UpVal *)0)_V)
37#define Dt10(_V) (int)&(((Node *)0)_V)
38static const unsigned char jit_actionlist[5059] = {
39 156,90,137,209,129,252,242,0,0,32,0,82,157,156,90,49,192,57,209,15,132,245,
40 247,64,83,15,162,91,137,208,249,1,195,255,254,0,251,15,249,10,141,68,36,4,
41 195,251,15,249,11,85,137,229,131,252,236,8,137,93,252,252,139,93,12,137,117,
42 12,139,117,8,137,125,252,248,139,190,235,139,131,235,139,142,235,102,252,
43 255,134,235,252,255,144,235,139,142,235,137,190,235,139,145,235,139,69,16,
44 137,150,235,139,145,235,133,192,137,150,235,15,136,245,248,193,224,4,1,195,
45 49,201,137,158,235,249,1,137,143,235,129,199,241,57,223,15,130,245,1,249,
46 2,255,102,252,255,142,235,184,239,139,125,252,248,139,93,252,252,139,117,
47 12,137,252,236,93,195,251,15,249,12,139,144,235,129,186,235,241,15,133,245,
48 247,139,146,235,137,144,235,252,255,226,249,1,131,252,236,12,139,129,235,
49 137,142,235,137,190,235,199,68,36,8,252,255,252,255,252,255,252,255,137,134,
50 235,137,92,36,4,43,158,235,137,52,36,232,244,133,192,15,133,245,248,137,52,
51 36,199,68,36,4,1,0,0,0,232,244,249,2,131,196,12,3,158,235,255,139,190,235,
52 195,251,15,249,13,141,135,235,131,252,236,12,59,134,235,15,131,245,14,59,
53 142,235,141,137,235,15,132,245,15,137,142,235,137,153,235,137,129,235,139,
54 147,235,129,195,241,137,190,235,137,158,235,137,153,235,249,16,137,52,36,
55 252,255,146,235,249,2,131,196,12,139,142,235,255,193,224,4,139,185,235,15,
56 132,245,250,139,158,235,137,218,41,195,249,3,139,3,131,195,4,137,7,131,199,
57 4,57,211,15,130,245,3,249,4,139,153,235,129,233,241,137,142,235,195,144,144,
58 144,144,144,144,251,15,249,17,252,246,134,235,237,15,133,245,253,249,6,137,
59 52,36,252,255,146,235,252,246,134,235,237,15,132,245,2,255,137,195,137,52,
60 36,199,68,36,4,239,199,68,36,8,252,255,252,255,252,255,252,255,232,244,137,
61 216,233,245,2,249,7,137,211,137,52,36,199,68,36,4,239,199,68,36,8,252,255,
62 252,255,252,255,252,255,232,244,137,218,233,245,6,251,15,249,14,41,252,248,
63 193,252,248,4,137,190,235,43,158,235,137,76,36,8,137,52,36,137,68,36,4,232,
64 244,139,76,36,8,3,158,235,139,190,235,139,131,235,131,196,12,252,255,160,
65 235,251,15,249,15,137,190,235,137,52,36,232,244,141,136,235,255,139,131,235,
66 137,142,235,131,196,12,252,255,160,235,255,249,18,90,233,245,19,249,20,137,
67 190,235,249,19,137,150,235,137,52,36,232,244,139,158,235,139,190,235,252,
68 255,224,251,15,255,137,190,235,255,232,245,21,255,251,15,249,21,252,246,134,
69 235,237,15,132,245,248,252,255,142,235,15,132,245,247,252,246,134,235,237,
70 15,132,245,248,249,1,139,4,36,131,252,236,12,137,52,36,137,68,36,4,232,244,
71 131,196,12,139,158,235,139,190,235,249,2,195,255,250,255,233,246,255,250,
72 243,255,254,1,233,245,19,254,0,250,254,2,250,251,1,252,255,252,255,254,3,
73 242,0,0,0,0,0,0,0,0,0,254,0,141,249,9,186,239,254,0,249,9,186,239,233,245,
74 20,254,0,139,142,235,139,129,235,191,247,253,59,129,235,15,131,245,22,249,
75 7,255,251,15,249,22,137,52,36,232,244,139,158,235,252,255,231,255,131,187,
76 235,5,15,133,245,9,49,192,137,131,235,137,131,235,254,3,238,238,254,0,131,
77 190,235,0,15,132,245,9,199,134,235,239,129,195,241,255,141,187,235,255,137,
78 158,235,137,190,235,137,52,36,232,244,139,158,235,139,190,235,255,199,135,
79 235,0,0,0,0,255,139,139,235,252,243,15,126,131,235,137,139,235,102,15,214,
80 131,235,255,139,139,235,139,147,235,139,131,235,137,139,235,137,147,235,137,
81 131,235,255,57,223,15,130,245,9,255,131,187,235,8,15,133,245,9,139,131,235,
82 131,184,235,0,15,132,245,9,199,134,235,239,137,190,235,137,52,36,137,92,36,
83 4,199,68,36,8,239,232,244,139,158,235,255,137,199,255,131,187,235,4,15,133,
84 245,9,139,139,235,219,129,235,199,131,235,3,0,0,0,221,155,235,255,141,187,
85 235,232,245,23,137,131,235,199,131,235,4,0,0,0,255,141,187,235,232,245,24,
86 137,131,235,199,131,235,4,0,0,0,255,131,187,235,3,15,133,245,9,141,134,235,
87 221,131,235,219,24,129,56,252,255,0,0,0,15,135,245,9,137,52,36,137,68,36,
88 4,199,68,36,8,1,0,0,0,232,244,137,131,235,199,131,235,4,0,0,0,255,251,15,
89 249,23,139,135,235,193,224,4,11,135,235,193,224,4,11,135,235,45,51,4,0,0,
90 15,133,245,18,221,135,235,221,135,235,219,92,36,8,219,92,36,4,139,143,235,
91 139,185,235,139,84,36,8,57,215,15,130,245,250,249,1,11,68,36,4,15,142,245,
92 252,249,2,41,194,15,140,245,253,141,140,253,1,235,66,249,3,137,116,36,4,137,
93 76,36,8,137,84,36,12,139,190,235,139,135,235,255,59,135,235,15,131,245,254,
94 233,244,249,4,15,140,245,251,141,84,58,1,233,245,1,249,5,137,252,250,233,
95 245,1,249,6,15,132,245,251,1,252,248,64,15,143,245,2,249,5,184,1,0,0,0,233,
96 245,2,249,7,49,210,233,245,3,255,251,15,249,24,139,135,235,193,224,4,11,135,
97 235,131,232,67,15,133,245,18,221,135,235,219,92,36,4,139,143,235,139,185,
98 235,137,252,250,233,245,1,249,8,131,252,236,12,137,52,36,232,244,131,196,
99 12,139,158,235,233,244,255,131,187,235,5,15,133,245,9,255,141,131,235,137,
100 52,36,137,68,36,4,232,244,255,141,131,235,141,139,235,137,52,36,137,68,36,
101 4,137,76,36,8,232,244,255,139,131,235,137,4,36,232,244,137,4,36,219,4,36,
102 221,155,235,199,131,235,3,0,0,0,255,131,187,235,3,15,133,245,9,221,131,235,
103 255,139,131,235,193,224,4,11,131,235,131,252,248,51,15,133,245,9,255,217,
104 252,254,255,217,252,255,255,217,252,242,221,216,255,217,60,36,217,45,239,
105 217,252,252,217,44,36,255,217,225,255,217,252,250,255,221,131,235,221,131,
106 235,249,1,217,252,248,223,224,158,15,138,245,1,221,217,255,221,131,235,221,
107 131,235,217,252,243,255,221,28,36,232,244,255,131,187,235,6,15,133,245,9,
108 129,187,235,239,15,133,245,9,255,141,131,235,57,199,15,133,245,9,255,141,
109 187,235,137,190,235,255,131,196,12,129,252,235,241,129,174,235,241,195,255,
110 141,187,235,137,52,36,137,124,36,4,232,244,133,192,15,133,246,255,139,131,
111 235,64,139,147,235,137,131,235,137,20,36,137,68,36,4,232,244,139,136,235,
112 133,201,15,132,245,255,219,131,235,199,131,235,3,0,0,0,221,155,235,139,144,
113 235,139,128,235,137,139,235,137,147,235,137,131,235,233,246,249,9,255,141,
114 135,235,131,252,236,12,59,134,235,15,131,245,14,59,142,235,141,137,235,15,
115 132,245,15,49,192,137,153,235,129,195,241,137,142,235,255,141,147,235,57,
116 215,255,137,223,255,15,71,252,250,255,15,134,245,247,137,215,249,1,255,141,
117 147,235,137,129,235,137,145,235,137,150,235,137,158,235,137,153,235,255,15,
118 130,245,251,249,4,254,2,249,5,137,135,235,129,199,241,57,215,15,130,245,5,
119 233,245,4,254,0,137,190,235,137,185,235,137,129,235,255,139,139,235,252,243,
120 15,126,131,235,137,143,235,102,15,214,135,235,255,139,139,235,139,147,235,
121 137,143,235,139,139,235,137,151,235,137,143,235,255,137,252,251,141,147,235,
122 141,187,235,137,145,235,137,150,235,255,137,135,235,255,249,2,137,135,235,
123 137,135,235,129,199,241,57,215,15,130,245,2,255,137,52,36,232,244,255,252,
124 246,134,235,237,15,132,245,255,232,245,25,249,9,255,251,15,249,25,139,142,
125 235,139,185,235,139,135,235,139,184,235,139,135,235,131,192,4,137,134,235,
126 131,252,236,12,137,52,36,199,68,36,4,239,199,68,36,8,252,255,252,255,252,
127 255,252,255,232,244,131,196,12,139,135,235,137,134,235,139,158,235,195,255,
128 137,52,36,137,92,36,4,232,244,255,129,174,235,241,137,223,129,252,235,241,
129 131,196,12,255,139,142,235,139,153,235,129,233,241,137,142,235,141,187,235,
130 131,196,12,255,252,246,134,235,237,15,132,245,253,232,245,26,249,7,255,139,
131 68,36,12,137,134,235,255,251,15,249,26,139,4,36,137,134,235,131,252,236,12,
132 137,52,36,199,68,36,4,239,199,68,36,8,252,255,252,255,252,255,252,255,232,
133 244,131,196,12,139,158,235,139,190,235,195,255,139,145,235,57,252,251,15,
134 131,245,248,249,1,139,3,131,195,4,137,2,131,194,4,57,252,251,15,130,245,1,
135 249,2,131,196,12,139,153,235,129,233,241,137,215,137,142,235,195,255,129,
136 174,235,241,129,252,235,241,255,131,196,12,141,187,235,195,255,139,142,235,
137 139,185,235,129,233,241,137,142,235,255,139,139,235,139,147,235,139,131,235,
138 137,143,235,137,151,235,137,135,235,255,131,196,12,137,252,251,255,129,199,
139 241,255,139,142,235,131,187,235,6,255,139,131,235,186,239,137,145,235,255,
140 15,133,245,20,255,15,133,245,19,255,15,132,245,247,232,245,27,249,1,255,251,
141 15,249,27,131,252,236,12,137,150,235,137,190,235,137,52,36,137,92,36,4,232,
142 244,131,196,12,137,195,139,190,235,139,131,235,139,142,235,195,255,252,255,
143 144,235,255,137,158,235,255,49,192,255,141,147,235,249,1,137,135,235,137,
144 135,235,129,199,241,57,215,15,130,245,1,255,131,187,235,6,15,133,245,9,255,
145 131,187,235,6,15,133,245,251,254,2,249,5,255,186,239,233,245,28,254,0,251,
146 15,249,28,137,150,235,137,190,235,137,52,36,137,92,36,4,232,244,139,142,235,
147 139,150,235,139,185,235,249,1,139,24,131,192,4,137,31,131,199,4,57,208,15,
148 130,245,1,139,153,235,139,131,235,129,233,241,131,196,12,252,255,160,235,
149 255,139,131,235,255,139,139,235,139,147,235,137,139,235,139,139,235,137,147,
150 235,137,139,235,255,141,187,235,129,252,235,241,139,142,235,137,131,235,255,
151 139,142,235,141,187,235,139,153,235,139,135,235,137,131,235,255,139,135,235,
152 252,243,15,126,135,235,137,131,235,102,15,214,131,235,255,139,135,235,139,
153 151,235,137,131,235,139,135,235,137,147,235,137,131,235,255,141,187,235,139,
154 131,235,255,139,145,235,249,1,139,3,131,195,4,137,2,131,194,4,57,252,251,
155 15,130,245,1,139,153,235,137,215,139,131,235,255,199,131,235,0,0,0,0,255,
156 186,1,0,0,0,137,147,235,137,147,235,255,199,131,235,0,0,0,0,199,131,235,1,
157 0,0,0,255,217,252,238,255,217,232,255,221,5,239,255,199,131,235,239,199,131,
158 235,4,0,0,0,255,137,131,235,195,255,141,139,235,141,147,235,249,1,137,1,57,
159 209,141,137,235,15,134,245,1,255,139,142,235,139,185,235,139,135,235,255,
160 139,136,235,139,185,235,255,139,143,235,252,243,15,126,135,235,137,139,235,
161 102,15,214,131,235,255,139,143,235,139,151,235,139,135,235,137,139,235,137,
162 147,235,137,131,235,255,139,136,235,139,185,235,139,131,235,139,147,235,137,
163 135,235,131,252,248,4,139,131,235,137,151,235,137,135,235,15,131,245,251,
164 249,4,254,2,249,5,252,246,130,235,237,15,132,245,4,252,246,129,235,237,15,
165 132,245,4,232,245,29,233,245,4,254,0,251,15,249,29,137,84,36,12,137,76,36,
166 8,137,116,36,4,233,244,255,251,15,249,30,139,142,235,139,185,235,139,135,
167 235,139,184,235,233,245,255,255,251,15,249,31,131,191,235,5,139,191,235,15,
168 133,245,18,249,9,15,182,143,235,184,1,0,0,0,211,224,72,35,130,235,193,224,
169 5,3,135,235,249,1,131,184,235,4,15,133,245,248,57,144,235,15,133,245,248,
170 139,136,235,133,201,15,132,245,249,255,252,243,15,126,128,235,102,15,214,
171 131,235,255,139,144,235,139,184,235,137,147,235,137,187,235,255,137,139,235,
172 139,158,235,195,249,2,139,128,235,133,192,15,133,245,1,49,201,249,3,139,135,
173 235,133,192,15,132,245,250,252,246,128,235,237,15,132,245,251,249,4,137,139,
174 235,139,158,235,195,249,5,137,150,235,199,134,235,4,0,0,0,139,12,36,131,252,
175 236,12,137,142,235,137,52,36,137,124,36,4,137,92,36,8,232,244,131,196,12,
176 139,158,235,255,251,15,249,32,139,135,235,193,224,4,11,129,235,131,252,248,
177 84,139,191,235,139,145,235,15,132,245,9,233,245,18,255,251,15,249,33,139,
178 142,235,128,167,235,237,139,145,235,137,185,235,137,151,235,195,255,251,15,
179 249,34,139,142,235,139,185,235,139,135,235,139,184,235,233,245,255,255,251,
180 15,249,35,131,191,235,5,139,191,235,15,133,245,18,249,9,15,182,143,235,184,
181 1,0,0,0,211,224,72,35,130,235,193,224,5,3,135,235,249,1,131,184,235,4,15,
182 133,245,250,57,144,235,15,133,245,250,131,184,235,0,15,132,245,252,249,2,
183 198,135,235,0,249,3,255,252,246,135,235,237,15,133,245,254,249,7,255,139,
184 139,235,252,243,15,126,131,235,137,136,235,102,15,214,128,235,255,139,139,
185 235,139,147,235,139,187,235,137,136,235,137,144,235,137,184,235,255,139,158,
186 235,195,249,8,232,245,33,233,245,7,249,4,139,128,235,133,192,15,133,245,1,
187 139,143,235,133,201,15,132,245,251,252,246,129,235,237,15,132,245,253,249,
188 5,141,134,235,137,144,235,199,128,235,4,0,0,0,131,252,236,12,137,52,36,137,
189 124,36,4,137,68,36,8,232,244,131,196,12,233,245,2,249,6,255,139,143,235,133,
190 201,15,132,245,2,252,246,129,235,237,15,133,245,2,249,7,137,150,235,199,134,
191 235,4,0,0,0,139,12,36,131,252,236,12,137,142,235,137,52,36,137,124,36,4,137,
192 92,36,8,232,244,131,196,12,139,158,235,195,255,251,15,249,36,139,135,235,
193 193,224,4,11,129,235,131,252,248,84,139,191,235,139,145,235,15,132,245,9,
194 233,245,18,255,137,52,36,199,68,36,4,239,199,68,36,8,239,232,244,137,131,
195 235,199,131,235,5,0,0,0,255,186,239,255,232,245,30,255,232,245,34,255,141,
196 187,235,186,239,255,141,187,235,141,139,235,255,131,187,235,5,139,187,235,
197 15,133,245,255,185,239,139,135,235,59,143,235,15,135,245,251,255,139,131,
198 235,193,224,4,11,131,235,131,252,248,83,15,133,245,255,255,252,242,15,16,
199 131,235,252,242,15,44,192,252,242,15,42,200,72,102,15,46,200,139,187,235,
200 15,133,245,255,15,138,245,255,255,221,131,235,219,20,36,219,4,36,255,223,
201 233,221,216,255,218,233,223,224,158,255,15,133,245,255,15,138,245,255,139,
202 4,36,139,187,235,72,255,59,135,235,15,131,245,251,193,224,4,3,135,235,255,
203 232,245,31,255,232,245,32,255,185,239,255,141,147,235,255,199,134,235,239,
204 83,81,82,86,232,244,131,196,16,139,158,235,255,249,1,139,144,235,133,210,
205 15,132,245,252,255,139,136,235,139,128,235,137,139,235,137,131,235,255,249,
206 2,137,147,235,254,2,232,245,37,255,232,245,38,255,233,245,1,249,6,139,143,
207 235,133,201,15,132,245,2,252,246,129,235,237,15,133,245,2,249,9,186,239,233,
208 245,19,254,0,251,15,249,37,137,76,36,4,131,252,236,12,137,60,36,137,76,36,
209 4,232,244,131,196,12,139,76,36,4,193,225,4,41,200,129,192,241,195,255,251,
210 15,249,38,64,137,124,36,4,137,68,36,8,233,244,255,187,239,255,232,245,35,
211 255,232,245,36,255,199,134,235,239,82,81,83,86,232,244,131,196,16,139,158,
212 235,255,249,1,131,184,235,0,15,132,245,252,249,2,254,2,232,245,39,255,232,
213 245,40,255,252,246,135,235,237,15,133,245,253,249,3,254,2,249,7,232,245,33,
214 233,245,3,254,0,199,128,235,0,0,0,0,255,186,1,0,0,0,137,144,235,137,144,235,
215 255,199,128,235,0,0,0,0,199,128,235,1,0,0,0,255,221,152,235,199,128,235,3,
216 0,0,0,255,199,128,235,239,199,128,235,4,0,0,0,255,251,15,249,39,137,76,36,
217 4,131,252,236,12,137,52,36,137,124,36,4,137,76,36,8,232,244,131,196,12,139,
218 76,36,4,193,225,4,41,200,129,192,241,195,255,251,15,249,40,64,137,116,36,
219 4,137,124,36,8,137,68,36,12,233,244,255,137,190,235,141,131,235,41,252,248,
220 252,247,216,193,252,248,4,139,187,235,15,132,245,250,255,129,192,241,255,
221 57,135,235,15,131,245,247,137,52,36,137,124,36,4,137,68,36,8,232,244,249,
222 1,252,246,135,235,237,139,151,235,15,133,245,252,139,190,235,254,2,249,6,
223 232,245,33,233,245,1,254,0,139,187,235,129,191,235,241,15,130,245,251,249,
224 1,252,246,135,235,237,139,151,235,15,133,245,252,141,187,235,254,2,249,5,
225 137,52,36,137,124,36,4,199,68,36,8,239,232,244,233,245,1,249,6,232,245,33,
226 233,245,1,254,0,129,194,241,255,141,139,235,249,3,139,1,131,193,4,137,2,131,
227 194,4,57,252,249,15,130,245,3,249,4,255,131,187,235,3,139,131,235,15,133,
228 245,255,133,192,15,136,245,255,255,221,131,235,221,5,239,255,221,5,239,221,
229 131,235,255,139,131,235,193,224,4,11,131,235,131,252,248,51,139,131,235,15,
230 133,245,255,11,131,235,15,136,245,255,221,131,235,221,131,235,255,131,187,
231 235,3,15,133,245,255,221,131,235,255,216,200,255,217,192,216,200,255,220,
232 201,255,222,201,255,199,4,36,239,199,68,36,4,239,199,68,36,8,239,131,187,
233 235,3,15,133,245,255,219,44,36,220,139,235,217,192,217,252,252,220,233,217,
234 201,217,252,240,217,232,222,193,217,252,253,221,217,255,251,15,249,41,217,
235 232,221,68,36,8,217,252,241,139,68,36,4,219,56,195,255,131,187,235,3,15,133,
236 245,255,255,131,187,235,3,255,139,131,235,193,224,4,11,131,235,131,252,248,
237 51,255,216,192,255,220,131,235,255,220,163,235,255,220,171,235,255,220,139,
238 235,255,220,179,235,255,220,187,235,255,131,252,236,16,221,28,36,221,131,
239 235,221,92,36,8,232,244,131,196,16,255,131,252,236,16,221,92,36,8,221,131,
240 235,221,28,36,232,244,131,196,16,255,217,224,255,15,138,246,255,15,130,246,
241 255,15,134,246,255,15,135,246,255,15,131,246,255,199,134,235,239,137,52,36,
242 137,76,36,4,137,84,36,8,232,244,133,192,139,158,235,255,15,132,246,255,199,
243 134,235,239,199,4,36,239,82,81,83,86,232,244,131,196,16,139,158,235,255,131,
244 187,235,5,139,139,235,15,133,245,9,137,12,36,232,244,137,4,36,219,4,36,221,
245 155,235,199,131,235,3,0,0,0,255,131,187,235,4,139,139,235,15,133,245,9,219,
246 129,235,221,155,235,199,131,235,3,0,0,0,255,199,134,235,239,137,52,36,137,
247 92,36,4,137,76,36,8,232,244,139,158,235,255,139,131,235,139,139,235,186,1,
248 0,0,0,33,193,209,232,9,193,49,192,57,209,17,192,137,147,235,137,131,235,255,
249 232,245,42,137,131,235,199,131,235,4,0,0,0,255,199,134,235,239,137,52,36,
250 199,68,36,4,239,199,68,36,8,239,232,244,139,158,235,255,251,15,249,42,137,
251 116,36,4,139,131,235,193,224,4,11,131,235,131,232,68,15,133,245,18,249,1,
252 139,190,235,139,179,235,139,147,235,139,142,235,133,201,15,132,245,248,11,
253 130,235,15,132,245,250,1,200,15,130,245,255,59,135,235,15,135,245,251,139,
254 191,235,129,198,241,255,252,243,164,139,138,235,141,178,235,252,243,164,41,
255 199,139,116,36,4,137,124,36,8,137,68,36,12,139,158,235,233,244,249,2,137,
256 208,249,3,139,116,36,4,139,158,235,195,249,4,137,252,240,233,245,3,249,5,
257 139,116,36,4,141,143,235,131,252,236,12,137,52,36,137,76,36,4,137,68,36,8,
258 232,244,131,196,12,49,192,233,245,1,249,9,139,116,36,4,233,245,18,255,131,
259 187,235,0,255,139,131,235,139,139,235,72,73,9,200,255,139,131,235,72,11,131,
260 235,255,131,187,235,3,15,133,246,221,131,235,221,5,239,255,131,187,235,4,
261 15,133,246,129,187,235,239,255,139,131,235,59,131,235,15,133,246,255,131,
262 252,248,3,15,133,245,9,221,131,235,221,131,235,255,131,252,248,4,15,133,245,
263 9,139,139,235,59,139,235,255,141,147,235,141,139,235,199,134,235,239,137,
264 52,36,137,76,36,4,137,84,36,8,232,244,72,139,158,235,255,139,131,235,139,
265 139,235,137,194,33,202,141,20,80,209,234,255,15,132,245,247,255,15,133,245,
266 247,255,139,147,235,137,131,235,137,139,235,137,147,235,233,246,249,1,255,
267 139,131,235,193,224,4,11,131,235,131,252,248,51,15,133,245,255,249,4,221,
268 131,235,221,131,235,221,147,235,255,249,4,139,131,235,193,224,4,11,131,235,
269 193,224,4,11,131,235,61,51,3,0,0,139,131,235,15,133,245,255,221,131,235,221,
270 131,235,133,192,221,147,235,15,136,245,247,217,201,249,1,255,199,131,235,
271 3,0,0,0,15,130,246,255,249,9,141,131,235,199,134,235,239,137,52,36,137,68,
272 36,4,232,244,233,245,4,254,0,221,131,235,221,131,235,220,131,235,221,147,
273 235,221,147,235,199,131,235,3,0,0,0,255,139,131,235,221,131,235,221,131,235,
274 221,131,235,222,193,221,147,235,221,147,235,199,131,235,3,0,0,0,133,192,15,
275 136,245,247,217,201,249,1,255,131,187,235,0,15,132,245,247,255,141,131,235,
276 137,68,36,4,255,137,92,36,4,255,139,187,235,255,139,142,235,139,185,235,139,
277 191,235,255,139,151,235,137,52,36,199,68,36,4,239,137,84,36,8,232,244,199,
278 128,235,239,137,131,235,199,131,235,6,0,0,0,255,139,151,235,137,144,235,255,
279 137,52,36,232,244,137,135,235,255,249,1,139,142,235,139,145,235,129,194,241,
280 141,132,253,27,235,41,208,59,134,235,15,131,245,251,141,187,235,57,218,15,
281 131,245,249,249,2,139,2,131,194,4,137,7,131,199,4,57,218,15,130,245,2,249,
282 3,254,2,249,5,43,134,235,193,252,248,4,137,52,36,137,68,36,4,232,244,139,
283 158,235,233,245,1,254,0,139,142,235,139,145,235,129,194,241,141,187,235,141,
284 139,235,57,218,15,131,245,248,249,1,139,2,131,194,4,137,7,131,199,4,57,207,
285 15,131,245,250,57,218,15,130,245,1,249,2,49,192,249,3,137,135,235,129,199,
286 241,57,207,15,130,245,3,249,4,255
287};
288
289enum {
290 JSUB_STACKPTR,
291 JSUB_GATE_LJ,
292 JSUB_GATE_JL,
293 JSUB_GATE_JC,
294 JSUB_GROW_STACK,
295 JSUB_GROW_CI,
296 JSUB_GATE_JC_PATCH,
297 JSUB_GATE_JC_DEBUG,
298 JSUB_DEOPTIMIZE_CALLER,
299 JSUB_DEOPTIMIZE,
300 JSUB_DEOPTIMIZE_OPEN,
301 JSUB_HOOKINS,
302 JSUB_GCSTEP,
303 JSUB_STRING_SUB3,
304 JSUB_STRING_SUB2,
305 JSUB_HOOKCALL,
306 JSUB_HOOKRET,
307 JSUB_METACALL,
308 JSUB_METATAILCALL,
309 JSUB_BARRIERF,
310 JSUB_GETGLOBAL,
311 JSUB_GETTABLE_KSTR,
312 JSUB_GETTABLE_STR,
313 JSUB_BARRIERBACK,
314 JSUB_SETGLOBAL,
315 JSUB_SETTABLE_KSTR,
316 JSUB_SETTABLE_STR,
317 JSUB_GETTABLE_KNUM,
318 JSUB_GETTABLE_NUM,
319 JSUB_SETTABLE_KNUM,
320 JSUB_SETTABLE_NUM,
321 JSUB_LOG2_TWORD,
322 JSUB_CONCAT_STR2,
323 JSUB__MAX
324};
325
326/* ------------------------------------------------------------------------ */
327
328/* Arch string. */
329const char luaJIT_arch[] = "x86";
330
331/* Forward declarations for C functions called from jsubs. */
332static void jit_hookins(lua_State *L, const Instruction *newpc);
333static void jit_gettable_fb(lua_State *L, Table *t, StkId dest);
334static void jit_settable_fb(lua_State *L, Table *t, StkId val);
335
336/* ------------------------------------------------------------------------ */
337
338/* Detect CPU features and set JIT flags. */
339static int jit_cpudetect(jit_State *J)
340{
341 void *mcode;
342 size_t sz;
343 int status;
344 /* Some of the jsubs need the flags. So compile this separately. */
345 unsigned int feature;
346 dasm_setup(Dst, jit_actionlist);
347 dasm_put(Dst, 0);
348 (void)dasm_checkstep(Dst, DASM_SECTION_CODE);
349 status = luaJIT_link(J, &mcode, &sz);
350 if (status != JIT_S_OK)
351 return status;
352 /* Check feature bits. See the Intel/AMD manuals for the bit definitions. */
353 feature = ((unsigned int (*)(void))mcode)();
354 if (feature & (1<<15)) J->flags |= JIT_F_CPU_CMOV;
355 if (feature & (1<<26)) J->flags |= JIT_F_CPU_SSE2;
356 luaJIT_freemcode(J, mcode, sz); /* We don't need this code anymore. */
357 return JIT_S_OK;
358}
359
360/* Check some assumptions. Should compile to nop. */
361static int jit_consistency_check(jit_State *J)
362{
363 do {
364 /* Force a compiler error for inconsistent structure sizes. */
365 /* Check LUA_TVALUE_ALIGN in luaconf.h, too. */
366 int check_TVALUE_SIZE_in_ljit_x86_dash[1+16-sizeof(TValue)];
367 int check_TVALUE_SIZE_in_ljit_x86_dash_[1+sizeof(TValue)-16];
368 ((void)check_TVALUE_SIZE_in_ljit_x86_dash[0]);
369 ((void)check_TVALUE_SIZE_in_ljit_x86_dash_[0]);
370 if (LUA_TNIL != 0 || LUA_TBOOLEAN != 1 || PCRLUA != 0) break;
371 if ((int)&(((Node *)0)->i_val) != (int)&(((StkId)0)->value)) break;
372 return JIT_S_OK;
373 } while (0);
374 J->dasmstatus = 999999999; /* Recognizable error. */
375 return JIT_S_COMPILER_ERROR;
376}
377
378/* Compile JIT subroutines (once). */
379static int jit_compile_jsub(jit_State *J)
380{
381 int status = jit_consistency_check(J);
382 if (status != JIT_S_OK) return status;
383 status = jit_cpudetect(J);
384 if (status != JIT_S_OK) return status;
385 dasm_setup(Dst, jit_actionlist);
386 dasm_put(Dst, 34);
387 dasm_put(Dst, 36, Dt1(->top), Dt2(->value), Dt1(->ci), Dt1(->nCcalls), Dt5(->jit_gate), Dt1(->ci), Dt1(->top), Dt4(->savedpc), Dt1(->savedpc), Dt4(->base), Dt1(->base), Dt1(->top), Dt3(->tt), sizeof(TValue));
388 dasm_put(Dst, 145, Dt1(->nCcalls), PCRC, Dt5(->p), DtE(->jit_status), JIT_S_OK, DtE(->jit_mcode), Dt5(->jit_gate), Dt4(->savedpc), Dt1(->ci), Dt1(->top), Dt1(->savedpc), Dt1(->stack), (ptrdiff_t)(luaD_precall), (ptrdiff_t)(luaV_execute), Dt1(->stack));
389 dasm_put(Dst, 262, Dt1(->top), Dt3([LUA_MINSTACK]), Dt1(->stack_last), Dt1(->end_ci), Dt4([1]), Dt1(->ci), Dt4(->func), Dt4(->top), Dt2(->value), sizeof(TValue), Dt1(->top), Dt1(->base), Dt4(->base), DtD(->f), Dt1(->ci));
390 dasm_put(Dst, 336, Dt4(->func), Dt1(->top), Dt4(->func), sizeof(CallInfo), Dt1(->ci), Dt1(->hookmask), LUA_MASKCALL, DtD(->f), Dt1(->hookmask), LUA_MASKRET);
391 dasm_put(Dst, 421, LUA_HOOKRET, (ptrdiff_t)(luaD_callhook), LUA_HOOKCALL, (ptrdiff_t)(luaD_callhook), Dt1(->top), Dt1(->stack), (ptrdiff_t)(luaD_growstack), Dt1(->stack), Dt1(->top), Dt2(->value), Dt5(->jit_gate), Dt1(->top), (ptrdiff_t)(luaD_growCI), Dt9([-1]));
392 dasm_put(Dst, 547, Dt2(->value), Dt1(->ci), Dt5(->jit_gate));
393 dasm_put(Dst, 602, Dt1(->hookmask), LUA_MASKLINE|LUA_MASKCOUNT, Dt1(->hookcount), Dt1(->hookmask), LUA_MASKLINE, (ptrdiff_t)(jit_hookins), Dt1(->base), Dt1(->top));
394 dasm_put(Dst, 737, (ptrdiff_t)(luaC_step), Dt1(->base));
395 dasm_put(Dst, 1026, Dt3([0].tt), Dt3([1].tt), Dt3([2].tt), Dt3([1].value), Dt3([2].value), Dt3([0].value), DtB(->tsv.len), sizeof(TString)-1, Dt1(->l_G), Dt6(->totalbytes));
396 dasm_put(Dst, 1129, Dt6(->GCthreshold), (ptrdiff_t)(luaS_newlstr));
397 dasm_put(Dst, 1191, Dt3([0].tt), Dt3([1].tt), Dt3([1].value), Dt3([0].value), DtB(->tsv.len), (ptrdiff_t)(luaC_step), Dt1(->base), (ptrdiff_t)(luaS_newlstr));
398 dasm_put(Dst, 1755, Dt1(->ci), Dt4(->func), Dt3(->value), Dt5(->p), DtE(->code), Dt1(->savedpc), LUA_HOOKCALL, (ptrdiff_t)(luaD_callhook), DtE(->code), Dt1(->savedpc), Dt1(->base));
399 dasm_put(Dst, 1886, Dt1(->savedpc), LUA_HOOKRET, (ptrdiff_t)(luaD_callhook), Dt1(->base), Dt1(->top));
400 dasm_put(Dst, 2077, Dt1(->savedpc), Dt1(->top), (ptrdiff_t)(luaD_tryfuncTM), Dt1(->top), Dt2(->value), Dt1(->ci));
401 dasm_put(Dst, 2178, Dt1(->savedpc), Dt1(->top), (ptrdiff_t)(luaD_tryfuncTM), Dt1(->ci), Dt1(->top), Dt4(->func), Dt4(->func), Dt2(->value), sizeof(CallInfo), Dt5(->jit_gate));
402 dasm_put(Dst, 2570, (ptrdiff_t)(luaC_barrierf));
403 dasm_put(Dst, 2589, Dt1(->ci), Dt4(->func), Dt3(->value), Dt5(->env));
404 dasm_put(Dst, 2609, Dt3(->tt), Dt3(->value), DtC(->lsizenode), DtB(->tsv.hash), DtC(->node), Dt10(->i_key.nk.tt), Dt10(->i_key.nk.value), Dt10(->i_val.tt));
405 if (J->flags & JIT_F_CPU_SSE2) {
406 dasm_put(Dst, 2674, Dt10(->i_val.value), Dt2(->value));
407 } else {
408 dasm_put(Dst, 2686, Dt10(->i_val.value), Dt10(->i_val.value.na[1]), Dt2(->value), Dt2(->value.na[1]));
409 }
410 dasm_put(Dst, 2699, Dt2(->tt), Dt1(->base), Dt10(->i_key.nk.next), DtC(->metatable), DtC(->flags), 1<<TM_INDEX, Dt2([0].tt), Dt1(->base), Dt1(->env.value), Dt1(->env.tt), Dt1(->savedpc), (ptrdiff_t)(jit_gettable_fb), Dt1(->base));
411 dasm_put(Dst, 32);
412 dasm_put(Dst, 2790, Dt3(->tt), Dt7(->tt), Dt3(->value), Dt7(->value));
413 dasm_put(Dst, 2821, Dt1(->l_G), DtC(->marked), (~bitmask(BLACKBIT))&0xff, Dt6(->grayagain), Dt6(->grayagain), DtC(->gclist));
414 dasm_put(Dst, 2843, Dt1(->ci), Dt4(->func), Dt3(->value), Dt5(->env));
415 dasm_put(Dst, 2863, Dt3(->tt), Dt3(->value), DtC(->lsizenode), DtB(->tsv.hash), DtC(->node), Dt10(->i_key.nk.tt), Dt10(->i_key.nk.value), Dt10(->i_val.tt), DtC(->flags));
416 dasm_put(Dst, 2935, DtC(->marked), bitmask(BLACKBIT));
417 if (J->flags & JIT_F_CPU_SSE2) {
418 dasm_put(Dst, 2947, Dt2([0].tt), Dt2([0].value), Dt7([0].tt), Dt7([0].value));
419 } else {
420 dasm_put(Dst, 2965, Dt2([0].value), Dt2([0].value.na[1]), Dt2([0].tt), Dt7([0].value), Dt7([0].value.na[1]), Dt7([0].tt));
421 }
422 dasm_put(Dst, 2984, Dt1(->base), Dt10(->i_key.nk.next), DtC(->metatable), DtC(->flags), 1<<TM_NEWINDEX, Dt1(->env), Dt7([0].value), Dt7([0].tt), (ptrdiff_t)(luaH_newkey));
423 dasm_put(Dst, 3066, DtC(->metatable), DtC(->flags), 1<<TM_NEWINDEX, Dt1(->env.value), Dt1(->env.tt), Dt1(->savedpc), (ptrdiff_t)(jit_settable_fb), Dt1(->base));
424 dasm_put(Dst, 3127, Dt3(->tt), Dt7(->tt), Dt3(->value), Dt7(->value));
425 dasm_put(Dst, 3438, (ptrdiff_t)(luaH_getnum), sizeof(TValue));
426 dasm_put(Dst, 3476, (ptrdiff_t)(luaH_getnum));
427 dasm_put(Dst, 3623, (ptrdiff_t)(luaH_setnum), sizeof(TValue));
428 dasm_put(Dst, 3665, (ptrdiff_t)(luaH_setnum));
429 dasm_put(Dst, 3992);
430 dasm_put(Dst, 4325, Dt2([0].tt), Dt2([1].tt), Dt1(->l_G), Dt2([0].value), Dt2([1].value), DtB(->tsv.len), DtB(->tsv.len), Dt6(->buff.buffsize), Dt6(->buff.buffer), sizeof(TString));
431 dasm_put(Dst, 4396, DtB(->tsv.len), DtB([1]), Dt1(->base), (ptrdiff_t)(luaS_newlstr), Dt1(->base), Dt6(->buff), (ptrdiff_t)(luaZ_openspace));
432 dasm_put(Dst, 561, Dt1(->top), Dt1(->savedpc), (ptrdiff_t)(luaJIT_deoptimize), Dt1(->base), Dt1(->top));
433
434 (void)dasm_checkstep(Dst, DASM_SECTION_CODE);
435 status = luaJIT_link(J, &J->jsubmcode, &J->szjsubmcode);
436 if (status != JIT_S_OK)
437 return status;
438
439 /* Copy the callgates from the globals to the global state. */
440 G(J->L)->jit_gateLJ = (luaJIT_GateLJ)J->jsub[JSUB_GATE_LJ];
441 G(J->L)->jit_gateJL = (lua_CFunction)J->jsub[JSUB_GATE_JL];
442 G(J->L)->jit_gateJC = (lua_CFunction)J->jsub[JSUB_GATE_JC];
443 return JIT_S_OK;
444}
445
446/* Match with number of nops above. Avoid confusing the instruction decoder. */
447#define DEBUGPATCH_SIZE 6
448
449/* Notify backend that the debug mode may have changed. */
450void luaJIT_debugnotify(jit_State *J)
451{
452 unsigned char *patch = (unsigned char *)J->jsub[JSUB_GATE_JC_PATCH];
453 unsigned char *target = (unsigned char *)J->jsub[JSUB_GATE_JC_DEBUG];
454 /* Yep, this is self-modifying code -- don't tell anyone. */
455 if (patch[0] == 0xe9) { /* Debug patch is active. */
456 if (!(J->flags & JIT_F_DEBUG_CALL)) /* Deactivate it. */
457 memcpy(patch, target-DEBUGPATCH_SIZE, DEBUGPATCH_SIZE);
458 } else { /* Debug patch is inactive. */
459 if (J->flags & JIT_F_DEBUG_CALL) { /* Activate it. */
460 int rel = target-(patch+5);
461 memcpy(target-DEBUGPATCH_SIZE, patch, DEBUGPATCH_SIZE);
462 patch[0] = 0xe9; /* jmp */
463 memcpy(patch+1, &rel, 4); /* Relative address. */
464 memset(patch+5, 0x90, DEBUGPATCH_SIZE-5); /* nop */
465 }
466 }
467}
468
469/* Patch a jmp into existing mcode. */
470static void jit_patch_jmp(jit_State *J, void *mcode, void *to)
471{
472 unsigned char *patch = (unsigned char *)mcode;
473 int rel = ((unsigned char *)to)-(patch+5);
474 patch[0] = 0xe9; /* jmp */
475 memcpy((void *)(patch+1), &rel, 4); /* Relative addr. */
476}
477
478/* ------------------------------------------------------------------------ */
479
480/* Call line/count hook. */
481static void jit_hookins(lua_State *L, const Instruction *newpc)
482{
483 Proto *pt = ci_func(L->ci)->l.p;
484 int pc = luaJIT_findpc(pt, newpc); /* Sloooow with mcode addrs. */
485 const Instruction *savedpc = L->savedpc;
486 L->savedpc = pt->code + pc + 1;
487 if (L->hookmask > LUA_MASKLINE && L->hookcount == 0) {
488 resethookcount(L);
489 luaD_callhook(L, LUA_HOOKCOUNT, -1);
490 }
491 if (L->hookmask & LUA_MASKLINE) {
492 int newline = getline(pt, pc);
493 if (pc != 0) {
494 int oldpc = luaJIT_findpc(pt, savedpc);
495 if (!(pc <= oldpc || newline != getline(pt, oldpc))) return;
496 }
497 luaD_callhook(L, LUA_HOOKLINE, newline);
498 }
499}
500
501/* Insert hook check for each instruction in full debug mode. */
502static void jit_ins_debug(jit_State *J, int openop)
503{
504 if (openop) {
505 dasm_put(Dst, 594, Dt1(->top));
506 }
507 dasm_put(Dst, 598);
508
509}
510
511/* Called before every instruction. */
512static void jit_ins_start(jit_State *J)
513{
514 dasm_put(Dst, 663, J->nextpc);
515}
516
517/* Chain to another instruction. */
518static void jit_ins_chainto(jit_State *J, int pc)
519{
520 dasm_put(Dst, 665, pc);
521}
522
523/* Set PC label. */
524static void jit_ins_setpc(jit_State *J, int pc, void *target)
525{
526 dasm_put(Dst, 668, pc, (ptrdiff_t)(target));
527}
528
529/* Called after the last instruction has been encoded. */
530static void jit_ins_last(jit_State *J, int lastpc, int sizemfm)
531{
532 if (J->tflags & JIT_TF_USED_DEOPT) { /* Deopt section has been used? */
533 dasm_put(Dst, 671);
534 dasm_put(Dst, 673);
535 }
536 dasm_put(Dst, 678, lastpc+1);
537 dasm_put(Dst, 681, lastpc+2);
538 dasm_put(Dst, 690, sizemfm);
539}
540
541/* Add a deoptimize target for the current instruction. */
542static void jit_deopt_target(jit_State *J, int nargs)
543{
544 if (nargs != -1) {
545 dasm_put(Dst, 671);
546 dasm_put(Dst, 702, (ptrdiff_t)(J->nextins));
547 J->tflags |= JIT_TF_USED_DEOPT;
548 } else {
549 dasm_put(Dst, 679);
550 dasm_put(Dst, 709, (ptrdiff_t)(J->nextins));
551 }
552}
553
554/* luaC_checkGC() inlined. Destroys caller-saves + TOP (edi). Uses label 7:. */
555/* Use this only at the _end_ of an instruction. */
556static void jit_checkGC(jit_State *J)
557{
558 dasm_put(Dst, 718, Dt1(->l_G), Dt6(->totalbytes), Dt6(->GCthreshold));
559
560}
561
562/* ------------------------------------------------------------------------ */
563
564
565
566/*
567** Function inlining support for x86 CPUs.
568** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h
569*/
570
571/* ------------------------------------------------------------------------ */
572
573/* Private structure holding function inlining info. */
574typedef struct jit_InlineInfo {
575 int func; /* Function slot. 1st arg slot = func+1. */
576 int res; /* 1st result slot. Overlaps func/ci->func. */
577 int nargs; /* Number of args. */
578 int nresults; /* Number of results. */
579 int xnargs; /* Expected number of args. */
580 int xnresults; /* Returned number of results. */
581 int hidx; /* Library/function index numbers. */
582} jit_InlineInfo;
583
584/* ------------------------------------------------------------------------ */
585
586enum { TFOR_FUNC, TFOR_TAB, TFOR_CTL, TFOR_KEY, TFOR_VAL };
587
588static void jit_inline_base(jit_State *J, jit_InlineInfo *ii)
589{
590 int func = ii->func;
591 switch (JIT_IH_IDX(ii->hidx)) {
592 case JIT_IH_BASE_PAIRS:
593 case JIT_IH_BASE_IPAIRS:
594 dasm_put(Dst, 753, Dt2([func+TFOR_TAB].tt), Dt2([func+TFOR_CTL].tt), Dt2([func+TFOR_CTL].value));
595 dasm_put(Dst, 771, JIT_MFM_DEOPT_PAIRS, J->nextpc-1);
596 break;
597 default:
598 jit_assert(0);
599 break;
600 }
601}
602
603/* ------------------------------------------------------------------------ */
604
605#ifndef COCO_DISABLE
606
607/* Helper function for inlined coroutine.resume(). */
608static StkId jit_coroutine_resume(lua_State *L, StkId base, int nresults)
609{
610 lua_State *co = thvalue(base-1);
611 /* Check for proper usage. Merge of lua_resume() and auxresume() checks. */
612 if (co->status != LUA_YIELD) {
613 if (co->status > LUA_YIELD) {
614errdead:
615 setsvalue(L, base-1, luaS_newliteral(L, "cannot resume dead coroutine"));
616 goto err;
617 } else if (co->ci != co->base_ci) {
618 setsvalue(L, base-1,
619 luaS_newliteral(L, "cannot resume non-suspended coroutine"));
620 goto err;
621 } else if (co->base == co->top) {
622 goto errdead;
623 }
624 }
625 {
626 ptrdiff_t ndelta = (char *)L->top - (char *)base;
627 int nargs = ndelta/sizeof(TValue); /* Compute nargs. */
628 int status;
629 if ((char *)co->stack_last-(char *)co->top <= ndelta) {
630 co->ci->top = (StkId)(((char *)co->top) + ndelta); /* Ok before grow. */
631 luaD_growstack(co, nargs); /* Grow thread stack. */
632 }
633 /* Copy args. */
634 co->top = (StkId)(((char *)co->top) + ndelta);
635 { StkId t = co->top, f = L->top; while (f > base) setobj2s(co, --t, --f); }
636 L->top = base;
637 status = luaCOCO_resume(co, nargs); /* Resume Coco thread. */
638 if (status == 0 || status == LUA_YIELD) { /* Ok. */
639 StkId f;
640 if (nresults == 0) return NULL;
641 if (nresults == -1) {
642 luaD_checkstack(L, co->top - co->base); /* Grow own stack. */
643 }
644 base = L->top - 2;
645 setbvalue(base++, 1); /* true */
646 /* Copy results. Fill unused result slots with nil. */
647 f = co->base;
648 while (--nresults != 0 && f < co->top) setobj2s(L, base++, f++);
649 while (nresults-- > 0) setnilvalue(base++);
650 co->top = co->base;
651 return base;
652 } else { /* Error. */
653 base = L->top;
654 setobj2s(L, base-1, co->top-1); /* Copy error object. */
655err:
656 setbvalue(base-2, 0); /* false */
657 nresults -= 2;
658 while (--nresults >= 0) setnilvalue(base+nresults); /* Fill results. */
659 return base;
660 }
661 }
662}
663
664static void jit_inline_coroutine(jit_State *J, jit_InlineInfo *ii)
665{
666 int arg = ii->func+1;
667 int res = ii->res;
668 int i;
669 switch (JIT_IH_IDX(ii->hidx)) {
670 case JIT_IH_COROUTINE_YIELD:
671 dasm_put(Dst, 775, ((int)&LHASCOCO((lua_State *)0)), Dt1(->savedpc), (ptrdiff_t)(J->nextins), arg*sizeof(TValue));
672 if (ii->nargs >= 0) { /* Previous op was not open and did not set TOP. */
673 dasm_put(Dst, 791, Dt2([ii->nargs]));
674 }
675 dasm_put(Dst, 795, Dt1(->base), Dt1(->top), (ptrdiff_t)(luaCOCO_yield), Dt1(->base), Dt1(->top));
676 jit_assert(ii->nresults >= 0 && ii->nresults <= EXTRA_STACK);
677 for (i = 0; i < ii->nresults; i++) {
678 dasm_put(Dst, 813, Dt3([i].tt));
679 if (J->flags & JIT_F_CPU_SSE2) {
680 dasm_put(Dst, 821, Dt2([arg+i].tt), Dt2([arg+i].value), Dt2([res+i].tt), Dt2([res+i].value));
681 } else {
682 dasm_put(Dst, 839, Dt2([arg+i].value), Dt2([arg+i].value.na[1]), Dt2([arg+i].tt), Dt2([res+i].value), Dt2([res+i].value.na[1]), Dt2([res+i].tt));
683 }
684 }
685 ii->nargs = -1; /* Force restore of L->top. */
686 break;
687 case JIT_IH_COROUTINE_RESUME:
688 jit_assert(ii->nargs != 0 && ii->res == ii->func);
689 dasm_put(Dst, 787, (arg+1)*sizeof(TValue));
690 if (ii->nargs >= 0) { /* Previous op was not open and did not set TOP. */
691 dasm_put(Dst, 791, Dt2([ii->nargs-1]));
692 } else {
693 dasm_put(Dst, 858);
694 }
695 dasm_put(Dst, 865, Dt2([-1].tt), Dt2([-1].value), ((int)&LHASCOCO((lua_State *)0)), Dt1(->savedpc), (ptrdiff_t)(J->nextins), Dt1(->top), ii->nresults, (ptrdiff_t)(jit_coroutine_resume), Dt1(->base));
696 if (ii->nresults == -1) {
697 dasm_put(Dst, 909);
698 }
699 ii->nargs = -1; /* Force restore of L->top. */
700 break;
701 default:
702 jit_assert(0);
703 break;
704 }
705}
706
707#endif /* COCO_DISABLE */
708
709/* ------------------------------------------------------------------------ */
710
711static void jit_inline_string(jit_State *J, jit_InlineInfo *ii)
712{
713 int arg = ii->func+1;
714 int res = ii->res;
715 switch (JIT_IH_IDX(ii->hidx)) {
716 case JIT_IH_STRING_LEN:
717 dasm_put(Dst, 912, Dt2([arg].tt), Dt2([arg].value), DtB(->tsv.len), Dt2([res].tt), Dt2([res].value));
718 break;
719 case JIT_IH_STRING_SUB:
720 /* TODO: inline numeric constants with help from the optimizer. */
721 /* But this would save only another 15-20% in a trivial loop. */
722 jit_assert(ii->nargs >= 2); /* Open op caveat is ok, too. */
723 if (ii->nargs > 2) {
724 dasm_put(Dst, 937, Dt2([arg]), Dt2([res].value), Dt2([res].tt));
725 } else {
726 dasm_put(Dst, 954, Dt2([arg]), Dt2([res].value), Dt2([res].tt));
727 }
728 break;
729 case JIT_IH_STRING_CHAR:
730 dasm_put(Dst, 971, Dt2([arg].tt), Dt1(->env), Dt2([arg].value), (ptrdiff_t)(luaS_newlstr), Dt2([res].value), Dt2([res].tt));
731 break;
732 default:
733 jit_assert(0);
734 break;
735 }
736
737}
738
739/* ------------------------------------------------------------------------ */
740
741/* Helper functions for inlined calls to table.*. */
742static void jit_table_insert(lua_State *L, TValue *arg)
743{
744 setobj2t(L, luaH_setnum(L, hvalue(arg), luaH_getn(hvalue(arg))+1), arg+1);
745 luaC_barriert(L, hvalue(arg), arg+1);
746}
747
748static TValue *jit_table_remove(lua_State *L, TValue *arg, TValue *res)
749{
750 int n = luaH_getn(hvalue(arg));
751 if (n == 0) {
752 setnilvalue(res); /* For the nresults == 1 case. Harmless otherwise. */
753 return res; /* For the nresults == -1 case. */
754 } else {
755 TValue *val = luaH_setnum(L, hvalue(arg), n);
756 setobj2s(L, res, val);
757 setnilvalue(val);
758 return res+1; /* For the nresults == -1 case. */
759 }
760}
761
762static void jit_inline_table(jit_State *J, jit_InlineInfo *ii)
763{
764 int arg = ii->func+1;
765 int res = ii->res;
766 dasm_put(Dst, 1250, Dt2([arg].tt));
767 switch (JIT_IH_IDX(ii->hidx)) {
768 case JIT_IH_TABLE_INSERT:
769 dasm_put(Dst, 1259, Dt2([arg]), (ptrdiff_t)(jit_table_insert));
770 break;
771 case JIT_IH_TABLE_REMOVE:
772 dasm_put(Dst, 1272, Dt2([arg]), Dt2([res]), (ptrdiff_t)(jit_table_remove));
773 if (ii->nresults == -1) {
774 ii->xnresults = -1;
775 dasm_put(Dst, 909);
776 }
777 break;
778 case JIT_IH_TABLE_GETN:
779 dasm_put(Dst, 1292, Dt2([arg].value), (ptrdiff_t)(luaH_getn), Dt2([res].value), Dt2([res].tt));
780 break;
781 default:
782 jit_assert(0);
783 break;
784 }
785}
786
787/* ------------------------------------------------------------------------ */
788
789/* This typedef must match the libm function signature. */
790/* Serves as a check against wrong lua_Number or wrong calling conventions. */
791typedef lua_Number (*mathfunc_11)(lua_Number);
792
793/* Partially inlined math functions. */
794/* CHECK: must match with jit_hints.h and jit.opt_lib. */
795static const mathfunc_11 jit_mathfuncs_11[JIT_IH_MATH_SIN] = {
796 log, log10, exp, sinh, cosh, tanh, asin, acos, atan
797};
798
799/* FPU control words for ceil and floor (exceptions masked, full precision). */
800static const unsigned short jit_fpucw[2] = { 0x0b7f, 0x077f };
801
802static void jit_inline_math(jit_State *J, jit_InlineInfo *ii)
803{
804 int arg = ii->func+1;
805 int res = ii->res;
806 int idx = JIT_IH_IDX(ii->hidx);
807
808 if (idx < JIT_IH_MATH__21) {
809 dasm_put(Dst, 1317, Dt2([arg].tt), Dt2([arg].value));
810 } else {
811 jit_assert(idx < JIT_IH_MATH__LAST);
812 dasm_put(Dst, 1329, Dt2([arg].tt), Dt2([arg+1].tt));
813 }
814 switch (idx) {
815 /* We ignore sin/cos/tan range overflows (2^63 rad) just like -ffast-math. */
816 case JIT_IH_MATH_SIN:
817 dasm_put(Dst, 1347);
818 break;
819 case JIT_IH_MATH_COS:
820 dasm_put(Dst, 1351);
821 break;
822 case JIT_IH_MATH_TAN:
823 dasm_put(Dst, 1355);
824 break;
825 case JIT_IH_MATH_CEIL:
826 case JIT_IH_MATH_FLOOR:
827 dasm_put(Dst, 1361, (ptrdiff_t)&jit_fpucw[idx-JIT_IH_MATH_CEIL]);
828 break;
829 case JIT_IH_MATH_ABS:
830 dasm_put(Dst, 1374);
831 break;
832 case JIT_IH_MATH_SQRT:
833 dasm_put(Dst, 1377);
834 break;
835 case JIT_IH_MATH_FMOD:
836 dasm_put(Dst, 1381, Dt2([arg+1].value), Dt2([arg].value));
837 break;
838 case JIT_IH_MATH_ATAN2:
839 dasm_put(Dst, 1402, Dt2([arg].value), Dt2([arg+1].value));
840 break;
841 default:
842 dasm_put(Dst, 1412, (ptrdiff_t)(jit_mathfuncs_11[idx]));
843 break;
844 }
845 dasm_put(Dst, 926, Dt2([res].tt), Dt2([res].value));
846}
847
848/* ------------------------------------------------------------------------ */
849
850/* Try to inline a CALL or TAILCALL instruction. */
851static int jit_inline_call(jit_State *J, int func, int nargs, int nresults)
852{
853 const TValue *callable = hint_get(J, TYPE); /* TYPE hint = callable. */
854 int cltype = ttype(callable);
855 const TValue *oidx;
856 jit_InlineInfo ii;
857 int idx;
858
859 if (cltype != LUA_TFUNCTION) goto fail;
860 if (J->flags & JIT_F_DEBUG) goto fail; /* DWIM. */
861
862 oidx = hint_get(J, INLINE); /* INLINE hint = library/function index. */
863 if (!ttisnumber(oidx)) goto fail;
864
865 ii.hidx = (int)nvalue(oidx);
866 idx = JIT_IH_IDX(ii.hidx);
867
868 if (nresults == -2) { /* Tailcall. */
869 /* Tailcalls from vararg functions don't work with BASE[-1]. */
870 if (J->pt->is_vararg) goto fail; /* So forget about this rare case. */
871 ii.res = -1; /* Careful: 2nd result overlaps 1st stack slot. */
872 ii.nresults = -1;
873 } else {
874 ii.res = func;
875 ii.nresults = nresults;
876 }
877 ii.func = func;
878 ii.nargs = nargs;
879 ii.xnargs = ii.xnresults = 1; /* Default: 1 arg, 1 result. */
880
881 /* Check for the currently supported cases. */
882 switch (JIT_IH_LIB(ii.hidx)) {
883 case JIT_IHLIB_BASE:
884 switch (idx) {
885 case JIT_IH_BASE_PAIRS:
886 case JIT_IH_BASE_IPAIRS:
887 if (nresults == -2) goto fail; /* Not useful for tailcalls. */
888 ii.xnresults = 3;
889 goto check;
890 }
891 break;
892#ifndef COCO_DISABLE
893 case JIT_IHLIB_COROUTINE:
894 switch (idx) {
895 case JIT_IH_COROUTINE_YIELD:
896 /* Only support common cases: no tailcalls, low number of results. */
897 if (nresults < 0 || nresults > EXTRA_STACK) goto fail;
898 ii.xnargs = ii.xnresults = -1;
899 goto ok; /* Anything else is ok. */
900 case JIT_IH_COROUTINE_RESUME:
901 /* Only support common cases: no tailcalls, not with 0 args (error). */
902 if (nresults == -2 || nargs == 0) goto fail;
903 ii.xnargs = ii.xnresults = -1;
904 goto ok; /* Anything else is ok. */
905 }
906 break;
907#endif
908 case JIT_IHLIB_STRING:
909 switch (idx) {
910 case JIT_IH_STRING_LEN:
911 goto check;
912 case JIT_IH_STRING_SUB:
913 if (nargs < 2) goto fail; /* No support for open calls, too. */
914 goto ok; /* 2 or more args are ok. */
915 case JIT_IH_STRING_CHAR:
916 goto check; /* Only single arg supported. */
917 }
918 break;
919 case JIT_IHLIB_TABLE:
920 switch (idx) {
921 case JIT_IH_TABLE_INSERT:
922 ii.xnargs = 2;
923 goto check; /* Only push (append) supported. */
924 case JIT_IH_TABLE_REMOVE:
925 goto check; /* Only pop supported. */
926 case JIT_IH_TABLE_GETN:
927 goto check;
928 }
929 break;
930 case JIT_IHLIB_MATH:
931 if (idx >= JIT_IH_MATH__LAST) goto fail;
932 if (idx >= JIT_IH_MATH__21) ii.xnargs = 2;
933 goto check;
934 }
935fail:
936 return cltype; /* Call could not be inlined. Return type of callable. */
937
938check:
939 if (nargs != ii.xnargs && nargs != -1) goto fail;
940 /* The optimizer already checks the number of results (avoid setnil). */
941
942ok: /* Whew, all checks done. Go for it! */
943
944 /* Start with the common leadin for inlined calls. */
945 jit_deopt_target(J, nargs);
946 dasm_put(Dst, 1418, Dt2([func].tt), Dt2([func].value), (ptrdiff_t)(clvalue(callable)));
947 if (nargs == -1 && ii.xnargs >= 0) {
948 dasm_put(Dst, 1435, Dt2([func+1+ii.xnargs]));
949 }
950
951 /* Now inline the function itself. */
952 switch (JIT_IH_LIB(ii.hidx)) {
953 case JIT_IHLIB_BASE: jit_inline_base(J, &ii); break;
954#ifndef COCO_DISABLE
955 case JIT_IHLIB_COROUTINE: jit_inline_coroutine(J, &ii); break;
956#endif
957 case JIT_IHLIB_STRING: jit_inline_string(J, &ii); break;
958 case JIT_IHLIB_TABLE: jit_inline_table(J, &ii); break;
959 case JIT_IHLIB_MATH: jit_inline_math(J, &ii); break;
960 default: jit_assert(0); break;
961 }
962
963 /* And add the common leadout for inlined calls. */
964 if (ii.nresults == -1) {
965 if (ii.xnresults >= 0) {
966 dasm_put(Dst, 791, Dt2([ii.res+ii.xnresults]));
967 }
968 } else if (ii.nargs == -1) { /* Restore L->top only if needed. */
969 dasm_put(Dst, 1445, Dt2([J->pt->maxstacksize]), Dt1(->top));
970 }
971
972 if (nresults == -2) { /* Results are in place. Add return for tailcalls. */
973 dasm_put(Dst, 1452, sizeof(TValue), Dt1(->ci), sizeof(CallInfo));
974 }
975
976 return -1; /* Success, call has been inlined. */
977}
978
979/* ------------------------------------------------------------------------ */
980
981/* Helper function for inlined iterator code. Paraphrased from luaH_next. */
982/* TODO: GCC has trouble optimizing this. */
983static int jit_table_next(lua_State *L, TValue *ra)
984{
985 Table *t = hvalue(&ra[TFOR_TAB]);
986 int i = ra[TFOR_CTL].value.b; /* Hidden control variable. */
987 for (; i < t->sizearray; i++) { /* First the array part. */
988 if (!ttisnil(&t->array[i])) {
989 setnvalue(&ra[TFOR_KEY], cast_num(i+1));
990 setobj2s(L, &ra[TFOR_VAL], &t->array[i]);
991 ra[TFOR_CTL].value.b = i+1;
992 return 1;
993 }
994 }
995 for (i -= t->sizearray; i < sizenode(t); i++) { /* Then the hash part. */
996 if (!ttisnil(gval(gnode(t, i)))) {
997 setobj2s(L, &ra[TFOR_KEY], key2tval(gnode(t, i)));
998 setobj2s(L, &ra[TFOR_VAL], gval(gnode(t, i)));
999 ra[TFOR_CTL].value.b = i+1+t->sizearray;
1000 return 1;
1001 }
1002 }
1003 return 0; /* End of iteration. */
1004}
1005
1006/* Try to inline a TFORLOOP instruction. */
1007static int jit_inline_tforloop(jit_State *J, int ra, int nresults, int target)
1008{
1009 const TValue *oidx = hint_get(J, INLINE); /* INLINE hint = lib/func idx. */
1010 int idx;
1011
1012 if (!ttisnumber(oidx)) return 0; /* No hint: don't inline anything. */
1013 idx = (int)nvalue(oidx);
1014 if (J->flags & JIT_F_DEBUG) return 0; /* DWIM. */
1015
1016 switch (idx) {
1017 case JIT_IH_MKIDX(JIT_IHLIB_BASE, JIT_IH_BASE_PAIRS):
1018 dasm_put(Dst, 1465, Dt2([ra]), (ptrdiff_t)(jit_table_next), target);
1019 return 1; /* Success, iterator has been inlined. */
1020 case JIT_IH_MKIDX(JIT_IHLIB_BASE, JIT_IH_BASE_IPAIRS):
1021 dasm_put(Dst, 1483, Dt2([ra+TFOR_CTL].value), Dt2([ra+TFOR_TAB].value), Dt2([ra+TFOR_CTL].value), (ptrdiff_t)(luaH_getnum), Dt7(->tt), Dt2([ra+TFOR_CTL].value), Dt2([ra+TFOR_KEY].tt), Dt2([ra+TFOR_KEY].value), Dt7(->value), Dt7(->value.na[1]), Dt2([ra+TFOR_VAL].tt), Dt2([ra+TFOR_VAL].value), Dt2([ra+TFOR_VAL].value.na[1]), target);
1022 return 1; /* Success, iterator has been inlined. */
1023 }
1024
1025 return 0; /* No support for inlining any other iterators. */
1026}
1027
1028/* ------------------------------------------------------------------------ */
1029
1030
1031
1032#ifdef LUA_COMPAT_VARARG
1033static void jit_vararg_table(lua_State *L)
1034{
1035 Table *tab;
1036 StkId base, func;
1037 int i, num, numparams;
1038 luaC_checkGC(L);
1039 base = L->base;
1040 func = L->ci->func;
1041 numparams = clvalue(func)->l.p->numparams;
1042 num = base - func - numparams - 1;
1043 tab = luaH_new(L, num, 1);
1044 for (i = 0; i < num; i++)
1045 setobj2n(L, luaH_setnum(L, tab, i+1), base - num + i);
1046 setnvalue(luaH_setstr(L, tab, luaS_newliteral(L, "n")), (lua_Number)num);
1047 sethvalue(L, base + numparams, tab);
1048}
1049#endif
1050
1051/* Encode JIT function prologue. */
1052static void jit_prologue(jit_State *J)
1053{
1054 Proto *pt = J->pt;
1055 int numparams = pt->numparams;
1056 int stacksize = pt->maxstacksize;
1057
1058 dasm_put(Dst, 1544, Dt3([stacksize]), Dt1(->stack_last), Dt1(->end_ci), Dt4([1]), Dt4(->func), sizeof(TValue), Dt1(->ci));
1059
1060 if (numparams > 0) {
1061 dasm_put(Dst, 1580, Dt2([numparams]));
1062 }
1063
1064 if (!pt->is_vararg) { /* Fixarg function. */
1065 /* Must cap L->top at L->base+numparams because 1st LOADNIL is omitted. */
1066 if (numparams == 0) {
1067 dasm_put(Dst, 1586);
1068 } else if (J->flags & JIT_F_CPU_CMOV) {
1069 dasm_put(Dst, 1589);
1070 } else {
1071 dasm_put(Dst, 1594);
1072 }
1073 dasm_put(Dst, 1603, Dt2([stacksize]), Dt4(->tailcalls), Dt4(->top), Dt1(->top), Dt1(->base), Dt4(->base));
1074 } else { /* Vararg function. */
1075 int i;
1076 if (numparams > 0) {
1077 dasm_put(Dst, 1622);
1078 dasm_put(Dst, 1630, Dt3(->tt), sizeof(TValue));
1079 }
1080 dasm_put(Dst, 1649, Dt1(->base), Dt4(->base), Dt4(->tailcalls));
1081 for (i = 0; i < numparams; i++) { /* Move/clear fixargs. */
1082 if (J->flags & JIT_F_CPU_SSE2) {
1083 dasm_put(Dst, 1659, Dt2([i].tt), Dt2([i].value), Dt3([i].tt), Dt3([i].value));
1084 } else {
1085 dasm_put(Dst, 1677, Dt2([i].value), Dt2([i].value.na[1]), Dt3([i].value), Dt2([i].tt), Dt3([i].value.na[1]), Dt3([i].tt));
1086 }
1087 dasm_put(Dst, 854, Dt2([i].tt));
1088 }
1089 if (numparams > 0) {
1090 dasm_put(Dst, 332, Dt1(->ci));
1091 }
1092 dasm_put(Dst, 1696, Dt2([stacksize]), Dt2([numparams]), Dt4(->top), Dt1(->top));
1093 stacksize -= numparams; /* Fixargs are already cleared. */
1094 }
1095
1096 /* Clear undefined args and all vars. Still assumes eax = LUA_TNIL = 0. */
1097 /* Note: cannot clear only args because L->top has grown. */
1098 if (stacksize <= EXTRA_STACK) { /* Loopless clear. May use EXTRA_STACK. */
1099 int i;
1100 for (i = 0; i < stacksize; i++) {
1101 dasm_put(Dst, 1712, Dt3([i].tt));
1102 }
1103 } else { /* Standard loop. */
1104 dasm_put(Dst, 1716, Dt3([0].tt), Dt3([1].tt), 2*sizeof(TValue));
1105 }
1106
1107#ifdef LUA_COMPAT_VARARG
1108 if (pt->is_vararg & VARARG_NEEDSARG) {
1109 dasm_put(Dst, 1734, (ptrdiff_t)(jit_vararg_table));
1110 }
1111#endif
1112
1113 /* Call hook check. */
1114 if (J->flags & JIT_F_DEBUG_CALL) {
1115 dasm_put(Dst, 1740, Dt1(->hookmask), LUA_MASKCALL);
1116
1117 }
1118}
1119
1120/* Check if we can combine 'return const'. */
1121static int jit_return_k(jit_State *J)
1122{
1123 if (!J->combine) return 0; /* COMBINE hint set? */
1124 /* May need to close open upvalues. */
1125 if (!fhint_isset(J, NOCLOSE)) {
1126 dasm_put(Dst, 1820, (ptrdiff_t)(luaF_close));
1127 }
1128 if (!J->pt->is_vararg) { /* Fixarg function. */
1129 dasm_put(Dst, 1830, Dt1(->ci), sizeof(CallInfo), sizeof(TValue));
1130 } else { /* Vararg function. */
1131 dasm_put(Dst, 1844, Dt1(->ci), Dt4(->func), sizeof(CallInfo), Dt1(->ci), Dt2([1]));
1132 }
1133 jit_assert(J->combine == 1); /* Required to skip next RETURN instruction. */
1134 return 1;
1135}
1136
1137static void jit_op_return(jit_State *J, int rbase, int nresults)
1138{
1139 /* Return hook check. */
1140 if (J->flags & JIT_F_DEBUG_CALL) {
1141 if (nresults < 0 && !(J->flags & JIT_F_DEBUG_INS)) {
1142 dasm_put(Dst, 594, Dt1(->top));
1143 }
1144 dasm_put(Dst, 1863, Dt1(->hookmask), LUA_MASKRET);
1145 if (J->flags & JIT_F_DEBUG_INS) {
1146 dasm_put(Dst, 1878, Dt1(->savedpc));
1147 }
1148
1149 }
1150
1151 /* May need to close open upvalues. */
1152 if (!fhint_isset(J, NOCLOSE)) {
1153 dasm_put(Dst, 1820, (ptrdiff_t)(luaF_close));
1154 }
1155
1156 /* Previous op was open: 'return f()' or 'return ...' */
1157 if (nresults < 0) {
1158 dasm_put(Dst, 332, Dt1(->ci));
1159 if (rbase) {
1160 dasm_put(Dst, 787, rbase*sizeof(TValue));
1161 }
1162 dasm_put(Dst, 1933, Dt4(->func), Dt4(->func), sizeof(CallInfo), Dt1(->ci));
1163 return;
1164 }
1165
1166 if (!J->pt->is_vararg) { /* Fixarg function, nresults >= 0. */
1167 int i;
1168 dasm_put(Dst, 1980, Dt1(->ci), sizeof(CallInfo), sizeof(TValue));
1169 for (i = 0; i < nresults; i++) {
1170 if (J->flags & JIT_F_CPU_SSE2) {
1171 dasm_put(Dst, 821, Dt2([rbase+i+1].tt), Dt2([rbase+i+1].value), Dt2([i].tt), Dt2([i].value));
1172 } else {
1173 dasm_put(Dst, 839, Dt2([rbase+i+1].value), Dt2([rbase+i+1].value.na[1]), Dt2([rbase+i+1].tt), Dt2([i].value), Dt2([i].value.na[1]), Dt2([i].tt));
1174 }
1175 }
1176 dasm_put(Dst, 1989, Dt2([nresults]));
1177 } else { /* Vararg function, nresults >= 0. */
1178 int i;
1179 dasm_put(Dst, 1997, Dt1(->ci), Dt4(->func), sizeof(CallInfo), Dt1(->ci));
1180 for (i = 0; i < nresults; i++) {
1181 if (J->flags & JIT_F_CPU_SSE2) {
1182 dasm_put(Dst, 1659, Dt2([rbase+i].tt), Dt2([rbase+i].value), Dt3([i].tt), Dt3([i].value));
1183 } else {
1184 dasm_put(Dst, 2010, Dt2([rbase+i].value), Dt2([rbase+i].value.na[1]), Dt2([rbase+i].tt), Dt3([i].value), Dt3([i].value.na[1]), Dt3([i].tt));
1185 }
1186 }
1187 dasm_put(Dst, 2029);
1188 if (nresults) {
1189 dasm_put(Dst, 2036, nresults*sizeof(TValue));
1190 }
1191 dasm_put(Dst, 32);
1192 }
1193}
1194
1195static void jit_op_call(jit_State *J, int func, int nargs, int nresults)
1196{
1197 int cltype = jit_inline_call(J, func, nargs, nresults);
1198 if (cltype < 0) return; /* Inlined? */
1199
1200 if (func) {
1201 dasm_put(Dst, 787, func*sizeof(TValue));
1202 }
1203 dasm_put(Dst, 2040, Dt1(->ci), Dt2([0].tt));
1204 if (nargs >= 0) { /* Previous op was not open and did not set TOP. */
1205 dasm_put(Dst, 791, Dt2([1+nargs]));
1206 }
1207 dasm_put(Dst, 2048, Dt2(->value), (ptrdiff_t)(J->nextins), Dt4(->savedpc));
1208 if (cltype == LUA_TFUNCTION) {
1209 if (nargs == -1) {
1210 dasm_put(Dst, 2057);
1211 } else {
1212 dasm_put(Dst, 2062);
1213 }
1214 } else {
1215 dasm_put(Dst, 2067);
1216
1217 }
1218 dasm_put(Dst, 2116, Dt5(->jit_gate));
1219 if (func) {
1220 dasm_put(Dst, 1984, func*sizeof(TValue));
1221 }
1222 dasm_put(Dst, 2121, Dt1(->base));
1223
1224 /* Clear undefined results TOP <= o < func+nresults. */
1225 if (nresults > 0) {
1226 dasm_put(Dst, 2125);
1227 if (nresults <= EXTRA_STACK) { /* Loopless clear. May use EXTRA_STACK. */
1228 int i;
1229 for (i = 0; i < nresults; i++) {
1230 dasm_put(Dst, 1712, Dt3([i].tt));
1231 }
1232 } else { /* Standard loop. TODO: move to .tail? */
1233 dasm_put(Dst, 2128, Dt2([func+nresults]), Dt3([0].tt), Dt3([1].tt), 2*sizeof(TValue));
1234 }
1235 }
1236
1237 if (nresults >= 0) { /* Not an open ins. Restore L->top. */
1238 dasm_put(Dst, 1445, Dt2([J->pt->maxstacksize]), Dt1(->top));
1239 } /* Otherwise keep TOP for next instruction. */
1240}
1241
1242static void jit_op_tailcall(jit_State *J, int func, int nargs)
1243{
1244 int cltype;
1245
1246 if (!fhint_isset(J, NOCLOSE)) { /* May need to close open upvalues. */
1247 dasm_put(Dst, 1820, (ptrdiff_t)(luaF_close));
1248 }
1249
1250 cltype = jit_inline_call(J, func, nargs, -2);
1251 if (cltype < 0) goto finish; /* Inlined? */
1252
1253 if (cltype == LUA_TFUNCTION) {
1254 jit_deopt_target(J, nargs);
1255 dasm_put(Dst, 2149, Dt2([func].tt));
1256 } else {
1257 dasm_put(Dst, 2158, Dt2([func].tt));
1258 dasm_put(Dst, 2168);
1259 if (func) {
1260 dasm_put(Dst, 787, func*sizeof(TValue));
1261 }
1262 if (nargs >= 0) {
1263 dasm_put(Dst, 791, Dt2([1+nargs]));
1264 }
1265 dasm_put(Dst, 2171, (ptrdiff_t)(J->nextins));
1266
1267 }
1268
1269 if (nargs >= 0) { /* Previous op was not open and did not set TOP. */
1270 int i;
1271 /* Relocate [BASE+func, BASE+func+nargs] -> [ci->func, ci->func+nargs]. */
1272 /* TODO: loop for large nargs? */
1273 if (!J->pt->is_vararg) { /* Fixarg function. */
1274 dasm_put(Dst, 2241, Dt2([func].value));
1275 for (i = 0; i < nargs; i++) {
1276 if (J->flags & JIT_F_CPU_SSE2) {
1277 dasm_put(Dst, 821, Dt2([func+1+i].tt), Dt2([func+1+i].value), Dt2([i].tt), Dt2([i].value));
1278 } else {
1279 dasm_put(Dst, 2245, Dt2([func+1+i].value), Dt2([func+1+i].value.na[1]), Dt2([i].value), Dt2([func+1+i].tt), Dt2([i].value.na[1]), Dt2([i].tt));
1280 }
1281 }
1282 dasm_put(Dst, 2264, Dt2([nargs]), sizeof(TValue), Dt1(->ci), Dt2(->value));
1283 } else { /* Vararg function. */
1284 dasm_put(Dst, 2278, Dt1(->ci), Dt2([func]), Dt4(->func), Dt3(->value), Dt2(->value));
1285 for (i = 0; i < nargs; i++) {
1286 if (J->flags & JIT_F_CPU_SSE2) {
1287 dasm_put(Dst, 2294, Dt3([i+1].tt), Dt3([i+1].value), Dt2([i+1].tt), Dt2([i+1].value));
1288 } else {
1289 dasm_put(Dst, 2312, Dt3([i+1].value), Dt3([i+1].value.na[1]), Dt2([i+1].value), Dt3([i+1].tt), Dt2([i+1].value.na[1]), Dt2([i+1].tt));
1290 }
1291 }
1292 dasm_put(Dst, 2331, Dt2([1+nargs]), Dt2(->value));
1293 }
1294 } else { /* Previous op was open and set TOP. */
1295 dasm_put(Dst, 332, Dt1(->ci));
1296 if (func) {
1297 dasm_put(Dst, 787, func*sizeof(TValue));
1298 }
1299 dasm_put(Dst, 2338, Dt4(->func), Dt4(->func), Dt2(->value));
1300 }
1301 dasm_put(Dst, 2230, sizeof(CallInfo), Dt5(->jit_gate));
1302
1303finish:
1304 J->combine++; /* Combine with following return instruction. */
1305}
1306
1307/* ------------------------------------------------------------------------ */
1308
1309static void jit_op_move(jit_State *J, int dest, int src)
1310{
1311 if (J->flags & JIT_F_CPU_SSE2) {
1312 dasm_put(Dst, 821, Dt2([src].tt), Dt2([src].value), Dt2([dest].tt), Dt2([dest].value));
1313 } else {
1314 dasm_put(Dst, 839, Dt2([src].value), Dt2([src].value.na[1]), Dt2([src].tt), Dt2([dest].value), Dt2([dest].value.na[1]), Dt2([dest].tt));
1315 }
1316}
1317
1318static void jit_op_loadk(jit_State *J, int dest, int kidx)
1319{
1320 const TValue *kk = &J->pt->k[kidx];
1321 int rk = jit_return_k(J);
1322 if (rk) dest = 0;
1323 switch (ttype(kk)) {
1324 case 0:
1325 dasm_put(Dst, 2369, Dt2([dest].tt));
1326 break;
1327 case 1:
1328 if (bvalue(kk)) { /* true */
1329 dasm_put(Dst, 2377, Dt2([dest].value), Dt2([dest].tt));
1330 } else { /* false */
1331 dasm_put(Dst, 2389, Dt2([dest].value), Dt2([dest].tt));
1332 }
1333 break;
1334 case 3: {
1335 if ((&(kk)->value)->n == (lua_Number)0) {
1336 dasm_put(Dst, 2404);
1337 } else if ((&(kk)->value)->n == (lua_Number)1) {
1338 dasm_put(Dst, 2408);
1339 } else {
1340 dasm_put(Dst, 2411, &(kk)->value);
1341 }
1342 dasm_put(Dst, 1306, Dt2([dest].value), Dt2([dest].tt));
1343 break;
1344 }
1345 case 4:
1346 dasm_put(Dst, 2415, Dt2([dest].value), (ptrdiff_t)(gcvalue(kk)), Dt2([dest].tt));
1347 break;
1348 default: lua_assert(0); break;
1349 }
1350 if (rk) {
1351 dasm_put(Dst, 32);
1352 }
1353}
1354
1355static void jit_op_loadnil(jit_State *J, int first, int last)
1356{
1357 int idx, num = last - first + 1;
1358 int rk = jit_return_k(J);
1359 dasm_put(Dst, 2125);
1360 if (rk) {
1361 dasm_put(Dst, 2427, Dt2([0].tt));
1362 } else if (num <= 8) {
1363 for (idx = first; idx <= last; idx++) {
1364 dasm_put(Dst, 854, Dt2([idx].tt));
1365 }
1366 } else {
1367 dasm_put(Dst, 2432, Dt2([first].tt), Dt2([last].tt), sizeof(TValue));
1368 }
1369}
1370
1371static void jit_op_loadbool(jit_State *J, int dest, int b, int dojump)
1372{
1373 int rk = jit_return_k(J);
1374 if (rk) dest = 0;
1375 if (b) { /* true */
1376 dasm_put(Dst, 2377, Dt2([dest].value), Dt2([dest].tt));
1377 } else { /* false */
1378 dasm_put(Dst, 2389, Dt2([dest].value), Dt2([dest].tt));
1379 }
1380 if (rk) {
1381 dasm_put(Dst, 32);
1382 } else if (dojump) {
1383 const TValue *h = hint_getpc(J, COMBINE, J->nextpc);
1384 if (!(ttisboolean(h) && bvalue(h) == 0)) { /* Avoid jmp around dead ins. */
1385 dasm_put(Dst, 665, J->nextpc+1);
1386 }
1387 }
1388}
1389
1390/* ------------------------------------------------------------------------ */
1391
1392static void jit_op_getupval(jit_State *J, int dest, int uvidx)
1393{
1394 if (!J->pt->is_vararg) {
1395 dasm_put(Dst, 2241, Dt2([-1].value));
1396 } else {
1397 dasm_put(Dst, 2452, Dt1(->ci), Dt4(->func), Dt3(->value));
1398 }
1399 dasm_put(Dst, 2462, Dt5(->upvals[uvidx]), DtF(->v));
1400 if (J->flags & JIT_F_CPU_SSE2) {
1401 dasm_put(Dst, 2469, Dt3([0].tt), Dt3([0].value), Dt2([dest].tt), Dt2([dest].value));
1402 } else {
1403 dasm_put(Dst, 2487, Dt3([0].value), Dt3([0].value.na[1]), Dt3([0].tt), Dt2([dest].value), Dt2([dest].value.na[1]), Dt2([dest].tt));
1404 }
1405}
1406
1407static void jit_op_setupval(jit_State *J, int src, int uvidx)
1408{
1409 if (!J->pt->is_vararg) {
1410 dasm_put(Dst, 2241, Dt2([-1].value));
1411 } else {
1412 dasm_put(Dst, 2452, Dt1(->ci), Dt4(->func), Dt3(->value));
1413 }
1414 dasm_put(Dst, 2506, Dt5(->upvals[uvidx]), DtF(->v), Dt2([src].tt), Dt2([src].value), Dt3(->tt), Dt2([src].value.na[1]), Dt3(->value), Dt3(->value.na[1]));
1415 dasm_put(Dst, 2542, DtA(->gch.marked), WHITEBITS, DtF(->marked), bitmask(BLACKBIT));
1416
1417}
1418
1419/* ------------------------------------------------------------------------ */
1420
1421/* Optimized table lookup routines. Enter via jsub, fallback to C. */
1422
1423/* Fallback for GETTABLE_*. Temporary key is in L->env. */
1424static void jit_gettable_fb(lua_State *L, Table *t, StkId dest)
1425{
1426 Table *mt = t->metatable;
1427 const TValue *tm = luaH_getstr(mt, G(L)->tmname[TM_INDEX]);
1428 if (ttisnil(tm)) { /* No __index method? */
1429 mt->flags |= 1<<TM_INDEX; /* Cache this fact. */
1430 setnilvalue(dest);
1431 } else if (ttisfunction(tm)) { /* __index function? */
1432 ptrdiff_t destr = savestack(L, dest);
1433 setobj2s(L, L->top, tm);
1434 sethvalue(L, L->top+1, t);
1435 setobj2s(L, L->top+2, &L->env);
1436 luaD_checkstack(L, 3);
1437 L->top += 3;
1438 luaD_call(L, L->top - 3, 1);
1439 dest = restorestack(L, destr);
1440 L->top--;
1441 setobjs2s(L, dest, L->top);
1442 } else { /* Let luaV_gettable() continue with the __index object. */
1443 luaV_gettable(L, tm, &L->env, dest);
1444 }
1445
1446}
1447
1448/* Fallback for SETTABLE_*STR. Temporary (string) key is in L->env. */
1449static void jit_settable_fb(lua_State *L, Table *t, StkId val)
1450{
1451 Table *mt = t->metatable;
1452 const TValue *tm = luaH_getstr(mt, G(L)->tmname[TM_NEWINDEX]);
1453 if (ttisnil(tm)) { /* No __newindex method? */
1454 mt->flags |= 1<<TM_NEWINDEX; /* Cache this fact. */
1455 t->flags = 0; /* But need to clear the cache for the table itself. */
1456 setobj2t(L, luaH_setstr(L, t, rawtsvalue(&L->env)), val);
1457 luaC_barriert(L, t, val);
1458 } else if (ttisfunction(tm)) { /* __newindex function? */
1459 setobj2s(L, L->top, tm);
1460 sethvalue(L, L->top+1, t);
1461 setobj2s(L, L->top+2, &L->env);
1462 setobj2s(L, L->top+3, val);
1463 luaD_checkstack(L, 4);
1464 L->top += 4;
1465 luaD_call(L, L->top - 4, 0);
1466 } else { /* Let luaV_settable() continue with the __newindex object. */
1467 luaV_settable(L, tm, &L->env, val);
1468 }
1469
1470}
1471
1472/* ------------------------------------------------------------------------ */
1473
1474static void jit_op_newtable(jit_State *J, int dest, int lnarray, int lnhash)
1475{
1476 dasm_put(Dst, 3158, luaO_fb2int(lnarray), luaO_fb2int(lnhash), (ptrdiff_t)(luaH_new), Dt2([dest].value), Dt2([dest].tt));
1477 jit_checkGC(J);
1478}
1479
1480static void jit_op_getglobal(jit_State *J, int dest, int kidx)
1481{
1482 const TValue *kk = &J->pt->k[kidx];
1483 jit_assert(ttisstring(kk));
1484 dasm_put(Dst, 3184, (ptrdiff_t)(&kk->value.gc->ts));
1485 if (dest) {
1486 dasm_put(Dst, 787, dest*sizeof(TValue));
1487 }
1488 dasm_put(Dst, 3187);
1489}
1490
1491static void jit_op_setglobal(jit_State *J, int rval, int kidx)
1492{
1493 const TValue *kk = &J->pt->k[kidx];
1494 jit_assert(ttisstring(kk));
1495 dasm_put(Dst, 3184, (ptrdiff_t)(&kk->value.gc->ts));
1496 if (rval) {
1497 dasm_put(Dst, 787, rval*sizeof(TValue));
1498 }
1499 dasm_put(Dst, 3191);
1500}
1501
1502enum { TKEY_KSTR = -2, TKEY_STR = -1, TKEY_ANY = 0 };
1503
1504/* Optimize key lookup depending on consts or hints type. */
1505static int jit_keylookup(jit_State *J, int tab, int rkey)
1506{
1507 const TValue *tabt = hint_get(J, TYPE);
1508 const TValue *key;
1509 if (!ttistable(tabt)) return TKEY_ANY; /* Not a table? Use fallback. */
1510 key = ISK(rkey) ? &J->pt->k[INDEXK(rkey)] : hint_get(J, TYPEKEY);
1511 if (ttisstring(key)) { /* String key? */
1512 if (ISK(rkey)) {
1513 dasm_put(Dst, 3195, Dt2([tab]), (ptrdiff_t)(&key->value.gc->ts));
1514 return TKEY_KSTR; /* Const string key. */
1515 } else {
1516 dasm_put(Dst, 3201, Dt2([tab]), Dt2([rkey]));
1517 return TKEY_STR; /* Var string key. */
1518 }
1519 } else if (ttisnumber(key)) { /* Number key? */
1520 lua_Number n = nvalue(key);
1521 int k;
1522 lua_number2int(k, n);
1523 if (!(k >= 1 && k < (1 << 26) && (lua_Number)k == n))
1524 return TKEY_ANY; /* Not a proper array key? Use fallback. */
1525 if (ISK(rkey)) {
1526 dasm_put(Dst, 3208, Dt2([tab].tt), Dt2([tab].value), k, DtC(->array), DtC(->sizearray));
1527 return k; /* Const array key (>= 1). */
1528 } else {
1529 dasm_put(Dst, 3232, Dt2([tab].tt), Dt2([rkey].tt));
1530 if (J->flags & JIT_F_CPU_SSE2) {
1531 dasm_put(Dst, 3250, Dt2([rkey]), Dt2([tab].value));
1532 } else {
1533 dasm_put(Dst, 3283, Dt2([rkey].value));
1534 if (J->flags & JIT_F_CPU_CMOV) {
1535 dasm_put(Dst, 3293);
1536 } else {
1537 dasm_put(Dst, 3298);
1538 }
1539 dasm_put(Dst, 3304, Dt2([tab].value));
1540 }
1541 dasm_put(Dst, 3320, DtC(->sizearray), DtC(->array));
1542 return 1; /* Variable array key. */
1543 }
1544 }
1545 return TKEY_ANY; /* Use fallback. */
1546}
1547
1548static void jit_op_gettable(jit_State *J, int dest, int tab, int rkey)
1549{
1550 int k = jit_keylookup(J, tab, rkey);
1551 switch (k) {
1552 case TKEY_KSTR: /* Const string key. */
1553 if (dest) {
1554 dasm_put(Dst, 787, dest*sizeof(TValue));
1555 }
1556 dasm_put(Dst, 3334);
1557 break;
1558 case TKEY_STR: /* Variable string key. */
1559 if (dest) {
1560 dasm_put(Dst, 787, dest*sizeof(TValue));
1561 }
1562 dasm_put(Dst, 3338);
1563 break;
1564 case TKEY_ANY: /* Generic gettable fallback. */
1565 if (ISK(rkey)) {
1566 dasm_put(Dst, 3342, (ptrdiff_t)(&J->pt->k[INDEXK(rkey)]));
1567 } else {
1568 dasm_put(Dst, 3204, Dt2([rkey]));
1569 }
1570 dasm_put(Dst, 3345, Dt2([tab]));
1571 if (dest) {
1572 dasm_put(Dst, 787, dest*sizeof(TValue));
1573 }
1574 dasm_put(Dst, 3349, Dt1(->savedpc), (ptrdiff_t)(J->nextins), (ptrdiff_t)(luaV_gettable), Dt1(->base));
1575 break;
1576 default: /* Array key. */
1577 dasm_put(Dst, 3366, Dt7([k-1].tt));
1578 if (J->flags & JIT_F_CPU_SSE2) {
1579 dasm_put(Dst, 2674, Dt7([k-1].value), Dt2([dest].value));
1580 } else {
1581 dasm_put(Dst, 3378, Dt7([k-1].value), Dt7([k-1].value.na[1]), Dt2([dest].value), Dt2([dest].value.na[1]));
1582 }
1583 dasm_put(Dst, 3391, Dt2([dest].tt));
1584 dasm_put(Dst, 2168);
1585 if (ISK(rkey)) {
1586 dasm_put(Dst, 3398);
1587 } else {
1588 dasm_put(Dst, 3402);
1589 }
1590 dasm_put(Dst, 3406, DtC(->metatable), DtC(->flags), 1<<TM_INDEX, (ptrdiff_t)(J->nextins));
1591 break;
1592 }
1593
1594}
1595
1596static void jit_op_settable(jit_State *J, int tab, int rkey, int rval)
1597{
1598 const TValue *val = ISK(rval) ? &J->pt->k[INDEXK(rval)] : NULL;
1599 int k = jit_keylookup(J, tab, rkey);
1600 switch (k) {
1601 case TKEY_KSTR: /* Const string key. */
1602 case TKEY_STR: /* Variable string key. */
1603 if (ISK(rval)) {
1604 dasm_put(Dst, 3492, (ptrdiff_t)(val));
1605 } else {
1606 if (rval) {
1607 dasm_put(Dst, 787, rval*sizeof(TValue));
1608 }
1609 }
1610 if (k == TKEY_KSTR) {
1611 dasm_put(Dst, 3495);
1612 } else {
1613 dasm_put(Dst, 3499);
1614 }
1615 break;
1616 case TKEY_ANY: /* Generic settable fallback. */
1617 if (ISK(rkey)) {
1618 dasm_put(Dst, 3342, (ptrdiff_t)(&J->pt->k[INDEXK(rkey)]));
1619 } else {
1620 dasm_put(Dst, 3204, Dt2([rkey]));
1621 }
1622 if (ISK(rval)) {
1623 dasm_put(Dst, 3184, (ptrdiff_t)(val));
1624 } else {
1625 dasm_put(Dst, 3345, Dt2([rval]));
1626 }
1627 if (tab) {
1628 dasm_put(Dst, 787, tab*sizeof(TValue));
1629 }
1630 dasm_put(Dst, 3503, Dt1(->savedpc), (ptrdiff_t)(J->nextins), (ptrdiff_t)(luaV_settable), Dt1(->base));
1631 break;
1632 default: /* Array key. */
1633 dasm_put(Dst, 3520, Dt7([k-1].tt));
1634 dasm_put(Dst, 2168);
1635 if (ISK(rkey)) {
1636 dasm_put(Dst, 3534);
1637 } else {
1638 dasm_put(Dst, 3538);
1639 }
1640 dasm_put(Dst, 3406, DtC(->metatable), DtC(->flags), 1<<TM_NEWINDEX, (ptrdiff_t)(J->nextins));
1641 if (!ISK(rval) || iscollectable(val)) {
1642 dasm_put(Dst, 3542, DtC(->marked), bitmask(BLACKBIT));
1643 dasm_put(Dst, 3555);
1644 }
1645 if (ISK(rval)) {
1646 switch (ttype(val)) {
1647 case 0:
1648 dasm_put(Dst, 3565, Dt7([k-1].tt));
1649 break;
1650 case 1:
1651 if (bvalue(val)) { /* true */
1652 dasm_put(Dst, 3573, Dt7([k-1].value), Dt7([k-1].tt));
1653 } else { /* false */
1654 dasm_put(Dst, 3585, Dt7([k-1].value), Dt7([k-1].tt));
1655 }
1656 break;
1657 case 3: {
1658 if ((&(val)->value)->n == (lua_Number)0) {
1659 dasm_put(Dst, 2404);
1660 } else if ((&(val)->value)->n == (lua_Number)1) {
1661 dasm_put(Dst, 2408);
1662 } else {
1663 dasm_put(Dst, 2411, &(val)->value);
1664 }
1665 dasm_put(Dst, 3600, Dt7([k-1].value), Dt7([k-1].tt));
1666 break;
1667 }
1668 case 4:
1669 dasm_put(Dst, 3611, Dt7([k-1].value), (ptrdiff_t)(gcvalue(val)), Dt7([k-1].tt));
1670 break;
1671 default: lua_assert(0); break;
1672 }
1673 } else {
1674 if (J->flags & JIT_F_CPU_SSE2) {
1675 dasm_put(Dst, 2947, Dt2([rval].tt), Dt2([rval].value), Dt7([k-1].tt), Dt7([k-1].value));
1676 } else {
1677 dasm_put(Dst, 2965, Dt2([rval].value), Dt2([rval].value.na[1]), Dt2([rval].tt), Dt7([k-1].value), Dt7([k-1].value.na[1]), Dt7([k-1].tt));
1678 }
1679 }
1680 break;
1681 }
1682
1683}
1684
1685static void jit_op_self(jit_State *J, int dest, int tab, int rkey)
1686{
1687 if (J->flags & JIT_F_CPU_SSE2) {
1688 dasm_put(Dst, 821, Dt2([tab].tt), Dt2([tab].value), Dt2([dest+1].tt), Dt2([dest+1].value));
1689 } else {
1690 dasm_put(Dst, 839, Dt2([tab].value), Dt2([tab].value.na[1]), Dt2([tab].tt), Dt2([dest+1].value), Dt2([dest+1].value.na[1]), Dt2([dest+1].tt));
1691 }
1692 jit_op_gettable(J, dest, tab, rkey);
1693}
1694
1695/* ------------------------------------------------------------------------ */
1696
1697static void jit_op_setlist(jit_State *J, int ra, int num, int batch)
1698{
1699 if (batch == 0) { batch = (int)(*J->nextins); J->combine++; }
1700 batch = (batch-1)*LFIELDS_PER_FLUSH;
1701 if (num == 0) { /* Previous op was open and set TOP: {f()} or {...}. */
1702 dasm_put(Dst, 3685, Dt1(->env.value), Dt2([ra+1]), Dt2([ra].value));
1703 if (batch > 0) {
1704 dasm_put(Dst, 3709, batch);
1705 }
1706 dasm_put(Dst, 3713, DtC(->sizearray), (ptrdiff_t)(luaH_resizearray), DtC(->marked), bitmask(BLACKBIT), DtC(->array), Dt1(->env.value));
1707 dasm_put(Dst, 3752);
1708 } else { /* Set fixed number of args. */
1709 dasm_put(Dst, 3762, Dt2([ra].value), DtC(->sizearray), batch+num, DtC(->marked), bitmask(BLACKBIT), DtC(->array), Dt2([ra+1+num]));
1710 dasm_put(Dst, 3792, batch+num, (ptrdiff_t)(luaH_resizearray));
1711 }
1712 if (batch > 0) {
1713 dasm_put(Dst, 3821, batch*sizeof(TValue));
1714 }
1715 dasm_put(Dst, 3825, Dt2([ra+1]));
1716 if (num == 0) { /* Previous op was open. Restore L->top. */
1717 dasm_put(Dst, 1445, Dt2([J->pt->maxstacksize]), Dt1(->top));
1718 }
1719}
1720
1721/* ------------------------------------------------------------------------ */
1722
1723static void jit_op_arith(jit_State *J, int dest, int rkb, int rkc, int ev)
1724{
1725 const TValue *kkb = ISK(rkb) ? &J->pt->k[INDEXK(rkb)] : NULL;
1726 const TValue *kkc = ISK(rkc) ? &J->pt->k[INDEXK(rkc)] : NULL;
1727 const Value *kval;
1728 int idx, rev;
1729 int target = (ev == TM_LT || ev == TM_LE) ? jit_jmp_target(J) : 0;
1730 int hastail = 0;
1731
1732 /* The bytecode compiler already folds constants except for: k/0, k%0, */
1733 /* NaN results, k1<k2, k1<=k2. No point in optimizing these cases. */
1734 if (ISK(rkb&rkc)) goto fallback;
1735
1736 /* Avoid optimization when non-numeric constants are present. */
1737 if (kkb ? !ttisnumber(kkb) : (kkc && !ttisnumber(kkc))) goto fallback;
1738
1739 /* The TYPE hint selects numeric inlining and/or fallback encoding. */
1740 switch (ttype(hint_get(J, TYPE))) {
1741 case LUA_TNIL: hastail = 1; break; /* No hint: numeric + fallback. */
1742 case LUA_TNUMBER: break; /* Numbers: numeric + deoptimization. */
1743 default: goto fallback; /* Mixed/other types: fallback only. */
1744 }
1745
1746 /* The checks above ensure: at most one of the operands is a constant. */
1747 /* Reverse operation and swap operands so the 2nd operand is a variable. */
1748 if (kkc) { kval = &kkc->value; idx = rkb; rev = 1; }
1749 else { kval = kkb ? &kkb->value : NULL; idx = rkc; rev = 0; }
1750
1751 /* Special handling for some operators. */
1752 switch (ev) {
1753 case TM_MOD:
1754 /* Check for modulo with positive numbers, so we can use fprem. */
1755 if (kval) {
1756 if (kval->na[1] < 0) { hastail = 0; goto fallback; } /* x%-k, -k%x */
1757 dasm_put(Dst, 3850, Dt2([idx].tt), Dt2([idx].value.na[1]));
1758 if (kkb) {
1759 dasm_put(Dst, 3868, Dt2([rkc].value), kval);
1760 } else {
1761 dasm_put(Dst, 3875, kval, Dt2([rkb].value));
1762 }
1763 } else {
1764 dasm_put(Dst, 3882, Dt2([rkb].tt), Dt2([rkc].tt), Dt2([rkb].value.na[1]), Dt2([rkc].value.na[1]), Dt2([rkc].value), Dt2([rkb].value));
1765 }
1766 dasm_put(Dst, 1387);
1767 goto fpstore;
1768 case TM_POW:
1769 if (hastail || !kval) break; /* Avoid this if not optimizing. */
1770 if (rev) { /* x^k for k > 0, k integer. */
1771 lua_Number n = kval->n;
1772 int k;
1773 lua_number2int(k, n);
1774 /* All positive integers would work. But need to limit code explosion. */
1775 if (k > 0 && k <= 65536 && (lua_Number)k == n) {
1776 dasm_put(Dst, 3916, Dt2([idx].tt), Dt2([idx]));
1777 for (; (k & 1) == 0; k >>= 1) { /* Handle leading zeroes (2^k). */
1778 dasm_put(Dst, 3928);
1779 }
1780 if ((k >>= 1) != 0) { /* Handle trailing bits. */
1781 dasm_put(Dst, 3931);
1782 for (; k != 1; k >>= 1) {
1783 if (k & 1) {
1784 dasm_put(Dst, 3936);
1785 }
1786 dasm_put(Dst, 3928);
1787 }
1788 dasm_put(Dst, 3939);
1789 }
1790 goto fpstore;
1791 }
1792 } else if (kval->n > (lua_Number)0) { /* k^x for k > 0. */
1793 int log2kval[3]; /* Enough storage for a tword (80 bits). */
1794 log2kval[2] = 0; /* Avoid leaking garbage. */
1795 /* Double precision log2(k) doesn't cut it (3^x != 3 for x = 1). */
1796 ((void (*)(int *, double))J->jsub[JSUB_LOG2_TWORD])(log2kval, kval->n);
1797 dasm_put(Dst, 3942, log2kval[0], log2kval[1], log2kval[2], Dt2([idx].tt), Dt2([idx].value));
1798
1799 goto fpstore;
1800 }
1801 break;
1802 }
1803
1804 /* Check number type and load 1st operand. */
1805 if (kval) {
1806 dasm_put(Dst, 4013, Dt2([idx].tt));
1807 if ((kval)->n == (lua_Number)0) {
1808 dasm_put(Dst, 2404);
1809 } else if ((kval)->n == (lua_Number)1) {
1810 dasm_put(Dst, 2408);
1811 } else {
1812 dasm_put(Dst, 2411, kval);
1813 }
1814 } else {
1815 if (rkb == rkc) {
1816 dasm_put(Dst, 4022, Dt2([rkb].tt));
1817 } else {
1818 dasm_put(Dst, 4027, Dt2([rkb].tt), Dt2([rkc].tt));
1819 }
1820 dasm_put(Dst, 3920, Dt2([rkb].value));
1821 }
1822
1823 /* Encode arithmetic operation with 2nd operand. */
1824 switch ((ev<<1)+rev) {
1825 case TM_ADD<<1: case (TM_ADD<<1)+1:
1826 if (rkb == rkc) {
1827 dasm_put(Dst, 4041);
1828 } else {
1829 dasm_put(Dst, 4044, Dt2([idx].value));
1830 }
1831 break;
1832 case TM_SUB<<1:
1833 dasm_put(Dst, 4048, Dt2([idx].value));
1834 break;
1835 case (TM_SUB<<1)+1:
1836 dasm_put(Dst, 4052, Dt2([idx].value));
1837 break;
1838 case TM_MUL<<1: case (TM_MUL<<1)+1:
1839 if (rkb == rkc) {
1840 dasm_put(Dst, 3928);
1841 } else {
1842 dasm_put(Dst, 4056, Dt2([idx].value));
1843 }
1844 break;
1845 case TM_DIV<<1:
1846 dasm_put(Dst, 4060, Dt2([idx].value));
1847 break;
1848 case (TM_DIV<<1)+1:
1849 dasm_put(Dst, 4064, Dt2([idx].value));
1850 break;
1851 case TM_POW<<1:
1852 dasm_put(Dst, 4068, Dt2([idx].value), (ptrdiff_t)(pow));
1853 break;
1854 case (TM_POW<<1)+1:
1855 dasm_put(Dst, 4088, Dt2([idx].value), (ptrdiff_t)(pow));
1856 break;
1857 case TM_UNM<<1: case (TM_UNM<<1)+1:
1858 dasm_put(Dst, 4108);
1859 break;
1860 default: /* TM_LT or TM_LE. */
1861 dasm_put(Dst, 1325, Dt2([idx].value));
1862 if (J->flags & JIT_F_CPU_CMOV) {
1863 dasm_put(Dst, 3293);
1864 } else {
1865 dasm_put(Dst, 3298);
1866 }
1867 dasm_put(Dst, 4111, dest?(J->nextpc+1):target);
1868 jit_assert(dest == 0 || dest == 1); /* Really cond. */
1869 switch (((rev^dest)<<1)+(dest^(ev == TM_LT))) {
1870 case 0:
1871 dasm_put(Dst, 4115, target);
1872 break;
1873 case 1:
1874 dasm_put(Dst, 4119, target);
1875 break;
1876 case 2:
1877 dasm_put(Dst, 4123, target);
1878 break;
1879 case 3:
1880 dasm_put(Dst, 4127, target);
1881 break;
1882 }
1883 goto skipstore;
1884 }
1885fpstore:
1886 /* Store result and set result type (if necessary). */
1887 dasm_put(Dst, 933, Dt2([dest].value));
1888 if (dest != rkb && dest != rkc) {
1889 dasm_put(Dst, 1309, Dt2([dest].tt));
1890 }
1891
1892skipstore:
1893 if (!hastail) {
1894 jit_deopt_target(J, 0);
1895 return;
1896 }
1897
1898 dasm_put(Dst, 1626);
1899 dasm_put(Dst, 1541);
1900
1901fallback:
1902 /* Generic fallback for arithmetic ops. */
1903 if (kkb) {
1904 dasm_put(Dst, 3342, (ptrdiff_t)(kkb));
1905 } else {
1906 dasm_put(Dst, 3204, Dt2([rkb]));
1907 }
1908 if (kkc) {
1909 dasm_put(Dst, 3184, (ptrdiff_t)(kkc));
1910 } else {
1911 dasm_put(Dst, 3345, Dt2([rkc]));
1912 }
1913 if (target) { /* TM_LT or TM_LE. */
1914 dasm_put(Dst, 4131, Dt1(->savedpc), (ptrdiff_t)((J->nextins+1)), (ptrdiff_t)(ev==TM_LT?luaV_lessthan:luaV_lessequal), Dt1(->base));
1915 if (dest) { /* cond */
1916 dasm_put(Dst, 1479, target);
1917 } else {
1918 dasm_put(Dst, 4154, target);
1919 }
1920 } else {
1921 if (dest) {
1922 dasm_put(Dst, 787, dest*sizeof(TValue));
1923 }
1924 dasm_put(Dst, 4158, Dt1(->savedpc), (ptrdiff_t)(J->nextins), ev, (ptrdiff_t)(luaV_arith), Dt1(->base));
1925 }
1926
1927 if (hastail) {
1928 dasm_put(Dst, 1644);
1929 }
1930}
1931
1932/* ------------------------------------------------------------------------ */
1933
1934static void jit_fallback_len(lua_State *L, StkId ra, const TValue *rb)
1935{
1936 switch (ttype(rb)) {
1937 case LUA_TTABLE:
1938 setnvalue(ra, cast_num(luaH_getn(hvalue(rb))));
1939 break;
1940 case LUA_TSTRING:
1941 setnvalue(ra, cast_num(tsvalue(rb)->len));
1942 break;
1943 default: {
1944 const TValue *tm = luaT_gettmbyobj(L, rb, TM_LEN);
1945 if (ttisfunction(tm)) {
1946 ptrdiff_t rasave = savestack(L, ra);
1947 setobj2s(L, L->top, tm);
1948 setobj2s(L, L->top+1, rb);
1949 luaD_checkstack(L, 2);
1950 L->top += 2;
1951 luaD_call(L, L->top - 2, 1);
1952 ra = restorestack(L, rasave);
1953 L->top--;
1954 setobjs2s(L, ra, L->top);
1955 } else {
1956 luaG_typeerror(L, rb, "get length of");
1957 }
1958 break;
1959 }
1960 }
1961}
1962
1963static void jit_op_len(jit_State *J, int dest, int rb)
1964{
1965 switch (ttype(hint_get(J, TYPE))) {
1966 case LUA_TTABLE:
1967 jit_deopt_target(J, 0);
1968 dasm_put(Dst, 4179, Dt2([rb].tt), Dt2([rb].value), (ptrdiff_t)(luaH_getn), Dt2([dest].value), Dt2([dest].tt));
1969 break;
1970 case LUA_TSTRING:
1971 jit_deopt_target(J, 0);
1972 dasm_put(Dst, 4212, Dt2([rb].tt), Dt2([rb].value), DtB(->tsv.len), Dt2([dest].value), Dt2([dest].tt));
1973 break;
1974 default:
1975 dasm_put(Dst, 3204, Dt2([rb]));
1976 if (dest) {
1977 dasm_put(Dst, 787, dest*sizeof(TValue));
1978 }
1979 dasm_put(Dst, 4237, Dt1(->savedpc), (ptrdiff_t)(J->nextins), (ptrdiff_t)(jit_fallback_len), Dt1(->base));
1980 break;
1981 }
1982}
1983
1984static void jit_op_not(jit_State *J, int dest, int rb)
1985{
1986 /* l_isfalse() without a branch -- truly devious. */
1987 /* ((value & tt) | (tt>>1)) is only zero for nil/false. */
1988 /* Assumes: LUA_TNIL == 0, LUA_TBOOLEAN == 1, bvalue() == 0/1 */
1989 dasm_put(Dst, 4258, Dt2([rb].tt), Dt2([rb].value), Dt2([dest].tt), Dt2([dest].value));
1990}
1991
1992/* ------------------------------------------------------------------------ */
1993
1994static void jit_op_concat(jit_State *J, int dest, int first, int last)
1995{
1996 int num = last-first+1;
1997 if (num == 2 && ttisstring(hint_get(J, TYPE))) { /* Optimize common case. */
1998 if (first) {
1999 dasm_put(Dst, 787, first*sizeof(TValue));
2000 }
2001 dasm_put(Dst, 4288, Dt2([dest].value), Dt2([dest].tt));
2002 } else { /* Generic fallback. */
2003 dasm_put(Dst, 4302, Dt1(->savedpc), (ptrdiff_t)(J->nextins), num, last, (ptrdiff_t)(luaV_concat), Dt1(->base));
2004 if (dest != first) {
2005 if (J->flags & JIT_F_CPU_SSE2) {
2006 dasm_put(Dst, 821, Dt2([first].tt), Dt2([first].value), Dt2([dest].tt), Dt2([dest].value));
2007 } else {
2008 dasm_put(Dst, 839, Dt2([first].value), Dt2([first].value.na[1]), Dt2([first].tt), Dt2([dest].value), Dt2([dest].value.na[1]), Dt2([dest].tt));
2009 }
2010 }
2011 }
2012 jit_checkGC(J); /* Always do this, even for the optimized variant. */
2013
2014}
2015
2016/* ------------------------------------------------------------------------ */
2017
2018static void jit_op_eq(jit_State *J, int cond, int rkb, int rkc)
2019{
2020 int target = jit_jmp_target(J);
2021 int condtarget = cond ? (J->nextpc+1) : target;
2022 jit_assert(cond == 0 || cond == 1);
2023
2024 /* Comparison of two constants. Evaluate at compile time. */
2025 if (ISK(rkb&rkc)) {
2026 if ((rkb == rkc) == cond) { /* Constants are already unique. */
2027 dasm_put(Dst, 665, target);
2028 }
2029 return;
2030 }
2031
2032 if (ISK(rkb|rkc)) { /* Compare a variable and a constant. */
2033 const TValue *kk;
2034 if (ISK(rkb)) { int t = rkc; rkc = rkb; rkb = t; } /* rkc holds const. */
2035 kk = &J->pt->k[INDEXK(rkc)];
2036 switch (ttype(kk)) {
2037 case LUA_TNIL:
2038 dasm_put(Dst, 4493, Dt2([rkb].tt));
2039 break;
2040 case LUA_TBOOLEAN:
2041 if (bvalue(kk)) {
2042 dasm_put(Dst, 4498, Dt2([rkb].tt), Dt2([rkb].value));
2043 } else {
2044 dasm_put(Dst, 4509, Dt2([rkb].tt), Dt2([rkb].value));
2045 }
2046 break;
2047 case LUA_TNUMBER:
2048 dasm_put(Dst, 4517, Dt2([rkb].tt), condtarget, Dt2([rkb].value), &kk->value);
2049 if (J->flags & JIT_F_CPU_CMOV) {
2050 dasm_put(Dst, 3293);
2051 } else {
2052 dasm_put(Dst, 3298);
2053 }
2054 dasm_put(Dst, 4111, condtarget);
2055 break;
2056 case LUA_TSTRING:
2057 dasm_put(Dst, 4531, Dt2([rkb].tt), condtarget, Dt2([rkb].value), (ptrdiff_t)(rawtsvalue(kk)));
2058 break;
2059 default: jit_assert(0); break;
2060 }
2061 } else { /* Compare two variables. */
2062 dasm_put(Dst, 4543, Dt2([rkb].tt), Dt2([rkc].tt), condtarget);
2063 switch (ttype(hint_get(J, TYPE))) {
2064 case LUA_TNUMBER:
2065 jit_deopt_target(J, 0);
2066 dasm_put(Dst, 4553, Dt2([rkb].value), Dt2([rkc].value));
2067 if (J->flags & JIT_F_CPU_CMOV) {
2068 dasm_put(Dst, 3293);
2069 } else {
2070 dasm_put(Dst, 3298);
2071 }
2072 dasm_put(Dst, 4111, condtarget);
2073 break;
2074 case LUA_TSTRING:
2075 jit_deopt_target(J, 0);
2076 dasm_put(Dst, 4568, Dt2([rkb].value), Dt2([rkc].value));
2077 break;
2078 default:
2079 dasm_put(Dst, 4583, Dt2([rkc]), Dt2([rkb]), Dt1(->savedpc), (ptrdiff_t)(J->nextins), (ptrdiff_t)(luaV_equalval), Dt1(->base));
2080 break;
2081 }
2082 }
2083 if (cond) {
2084 dasm_put(Dst, 4154, target);
2085 } else {
2086 dasm_put(Dst, 1479, target);
2087 }
2088}
2089
2090/* ------------------------------------------------------------------------ */
2091
2092static void jit_op_test(jit_State *J, int cond, int dest, int src)
2093{
2094 int target = jit_jmp_target(J);
2095
2096 /* l_isfalse() without a branch. But this time preserve tt/value. */
2097 /* (((value & tt) * 2 + tt) >> 1) is only zero for nil/false. */
2098 /* Assumes: 3*tt < 2^32, LUA_TNIL == 0, LUA_TBOOLEAN == 1, bvalue() == 0/1 */
2099 dasm_put(Dst, 4611, Dt2([src].tt), Dt2([src].value));
2100
2101 /* Check if we can omit the stack copy. */
2102 if (dest == src) { /* Yes, invert branch condition. */
2103 if (cond) {
2104 dasm_put(Dst, 1479, target);
2105 } else {
2106 dasm_put(Dst, 4154, target);
2107 }
2108 } else { /* No, jump around copy code. */
2109 if (cond) {
2110 dasm_put(Dst, 4627);
2111 } else {
2112 dasm_put(Dst, 4632);
2113 }
2114 dasm_put(Dst, 4637, Dt2([src].value.na[1]), Dt2([dest].tt), Dt2([dest].value), Dt2([dest].value.na[1]), target);
2115 }
2116}
2117
2118static void jit_op_jmp(jit_State *J, int target)
2119{
2120 dasm_put(Dst, 665, target);
2121}
2122
2123/* ------------------------------------------------------------------------ */
2124
2125enum { FOR_IDX, FOR_LIM, FOR_STP, FOR_EXT };
2126
2127static const char *const jit_for_coerce_error[] = {
2128 LUA_QL("for") " initial value must be a number",
2129 LUA_QL("for") " limit must be a number",
2130 LUA_QL("for") " step must be a number",
2131};
2132
2133/* Try to coerce for slots with strings to numbers in place or complain. */
2134static void jit_for_coerce(lua_State *L, TValue *o)
2135{
2136 int i;
2137 for (i = FOR_IDX; i <= FOR_STP; i++, o++) {
2138 lua_Number num;
2139 if (ttisnumber(o)) continue;
2140 if (ttisstring(o) && luaO_str2d(svalue(o), &num)) {
2141 setnvalue(o, num);
2142 } else {
2143 luaG_runerror(L, jit_for_coerce_error[i]);
2144 }
2145 }
2146}
2147
2148static void jit_op_forprep(jit_State *J, int ra, int target)
2149{
2150 const TValue *step = hint_get(J, FOR_STEP_K);
2151 if (ttisnumber(step)) {
2152 dasm_put(Dst, 4654, Dt2([ra+FOR_IDX].tt), Dt2([ra+FOR_LIM].tt), Dt2([ra+FOR_LIM].value), Dt2([ra+FOR_IDX].value), Dt2([ra+FOR_EXT].value));
2153 if (J->flags & JIT_F_CPU_CMOV) {
2154 dasm_put(Dst, 3293);
2155 } else {
2156 dasm_put(Dst, 3298);
2157 }
2158 dasm_put(Dst, 1309, Dt2([ra+FOR_EXT].tt));
2159 if (nvalue(step) < (lua_Number)0) {
2160 dasm_put(Dst, 4115, target+1);
2161 } else {
2162 dasm_put(Dst, 4123, target+1);
2163 }
2164 } else {
2165 dasm_put(Dst, 4683, Dt2([ra+FOR_IDX].tt), Dt2([ra+FOR_LIM].tt), Dt2([ra+FOR_STP].tt), Dt2([ra+FOR_STP].value.na[1]), Dt2([ra+FOR_LIM].value), Dt2([ra+FOR_IDX].value), Dt2([ra+FOR_EXT].value));
2166 if (J->flags & JIT_F_CPU_CMOV) {
2167 dasm_put(Dst, 3293);
2168 } else {
2169 dasm_put(Dst, 3298);
2170 }
2171 dasm_put(Dst, 4732, Dt2([ra+FOR_EXT].tt), target+1);
2172 }
2173 if (ttisnumber(hint_get(J, TYPE))) {
2174 jit_deopt_target(J, 0);
2175 } else {
2176 dasm_put(Dst, 679);
2177 dasm_put(Dst, 4743, Dt2([ra]), Dt1(->savedpc), (ptrdiff_t)(J->nextins), (ptrdiff_t)(jit_for_coerce));
2178 }
2179}
2180
2181static void jit_op_forloop(jit_State *J, int ra, int target)
2182{
2183 const TValue *step = hint_getpc(J, FOR_STEP_K, target-1);
2184 if (ttisnumber(step)) {
2185 dasm_put(Dst, 4766, Dt2([ra+FOR_LIM].value), Dt2([ra+FOR_IDX].value), Dt2([ra+FOR_STP].value), Dt2([ra+FOR_EXT].value), Dt2([ra+FOR_IDX].value), Dt2([ra+FOR_EXT].tt));
2186 if (J->flags & JIT_F_CPU_CMOV) {
2187 dasm_put(Dst, 3293);
2188 } else {
2189 dasm_put(Dst, 3298);
2190 }
2191 if (nvalue(step) < (lua_Number)0) {
2192 dasm_put(Dst, 4127, target);
2193 } else {
2194 dasm_put(Dst, 4119, target);
2195 }
2196 } else {
2197 dasm_put(Dst, 4789, Dt2([ra+FOR_STP].value.na[1]), Dt2([ra+FOR_LIM].value), Dt2([ra+FOR_IDX].value), Dt2([ra+FOR_STP].value), Dt2([ra+FOR_IDX].value), Dt2([ra+FOR_EXT].value), Dt2([ra+FOR_EXT].tt));
2198 if (J->flags & JIT_F_CPU_CMOV) {
2199 dasm_put(Dst, 3293);
2200 } else {
2201 dasm_put(Dst, 3298);
2202 }
2203 dasm_put(Dst, 4127, target);
2204 }
2205}
2206
2207/* ------------------------------------------------------------------------ */
2208
2209static void jit_op_tforloop(jit_State *J, int ra, int nresults)
2210{
2211 int target = jit_jmp_target(J);
2212 int i;
2213 if (jit_inline_tforloop(J, ra, nresults, target)) return; /* Inlined? */
2214 for (i = 2; i >= 0; i--) {
2215 if (J->flags & JIT_F_CPU_SSE2) {
2216 dasm_put(Dst, 821, Dt2([ra+i].tt), Dt2([ra+i].value), Dt2([ra+i+3].tt), Dt2([ra+i+3].value));
2217 } else {
2218 dasm_put(Dst, 839, Dt2([ra+i].value), Dt2([ra+i].value.na[1]), Dt2([ra+i].tt), Dt2([ra+i+3].value), Dt2([ra+i+3].value.na[1]), Dt2([ra+i+3].tt));
2219 }
2220 }
2221 jit_op_call(J, ra+3, 2, nresults);
2222 dasm_put(Dst, 4827, Dt2([ra+3].tt));
2223 if (J->flags & JIT_F_CPU_SSE2) {
2224 dasm_put(Dst, 821, Dt2([ra+3].tt), Dt2([ra+3].value), Dt2([ra+2].tt), Dt2([ra+2].value));
2225 } else {
2226 dasm_put(Dst, 839, Dt2([ra+3].value), Dt2([ra+3].value.na[1]), Dt2([ra+3].tt), Dt2([ra+2].value), Dt2([ra+2].value.na[1]), Dt2([ra+2].tt));
2227 }
2228 dasm_put(Dst, 4649, target);
2229}
2230
2231/* ------------------------------------------------------------------------ */
2232
2233static void jit_op_close(jit_State *J, int ra)
2234{
2235 if (ra) {
2236 dasm_put(Dst, 4836, Dt2([ra]));
2237 } else {
2238 dasm_put(Dst, 4844);
2239 }
2240 dasm_put(Dst, 1734, (ptrdiff_t)(luaF_close));
2241}
2242
2243static void jit_op_closure(jit_State *J, int dest, int ptidx)
2244{
2245 Proto *npt = J->pt->p[ptidx];
2246 int nup = npt->nups;
2247 if (!J->pt->is_vararg) {
2248 dasm_put(Dst, 4849, Dt2([-1].value));
2249 } else {
2250 dasm_put(Dst, 4853, Dt1(->ci), Dt4(->func), Dt3(->value));
2251 }
2252 dasm_put(Dst, 4863, Dt5(->env), nup, (ptrdiff_t)(luaF_newLclosure), Dt5(->p), (ptrdiff_t)(npt), Dt2([dest].value), Dt2([dest].tt));
2253 /* Process pseudo-instructions for upvalues. */
2254 if (nup > 0) {
2255 const Instruction *uvcode = J->nextins;
2256 int i, uvuv;
2257 /* Check which of the two types we need. */
2258 for (i = 0, uvuv = 0; i < nup; i++)
2259 if (GET_OPCODE(uvcode[i]) == OP_GETUPVAL) uvuv++;
2260 /* Copy upvalues from parent first. */
2261 if (uvuv) {
2262 /* LCL:eax->upvals (new closure) <-- LCL:edi->upvals (own closure). */
2263 for (i = 0; i < nup; i++)
2264 if (GET_OPCODE(uvcode[i]) == OP_GETUPVAL) {
2265 dasm_put(Dst, 4895, Dt5(->upvals[GETARG_B(uvcode[i])]), Dt5(->upvals[i]));
2266 }
2267 }
2268 /* Next find or create upvalues for our own stack slots. */
2269 if (nup > uvuv) {
2270 dasm_put(Dst, 909);
2271 /* LCL:edi->upvals (new closure) <-- upvalue for stack slot. */
2272 for (i = 0; i < nup; i++)
2273 if (GET_OPCODE(uvcode[i]) == OP_MOVE) {
2274 int rb = GETARG_B(uvcode[i]);
2275 if (rb) {
2276 dasm_put(Dst, 4836, Dt2([rb]));
2277 } else {
2278 dasm_put(Dst, 4844);
2279 }
2280 dasm_put(Dst, 4902, (ptrdiff_t)(luaF_findupval), Dt5(->upvals[i]));
2281 }
2282 }
2283 J->combine += nup; /* Skip pseudo-instructions. */
2284 }
2285 jit_checkGC(J);
2286}
2287
2288/* ------------------------------------------------------------------------ */
2289
2290static void jit_op_vararg(jit_State *J, int dest, int num)
2291{
2292 if (num < 0) { /* Copy all varargs. */
2293 dasm_put(Dst, 4911, Dt1(->ci), Dt4(->func), (1+J->pt->numparams)*sizeof(TValue), J->pt->maxstacksize*sizeof(TValue), Dt1(->stack_last), Dt2([dest]));
2294 dasm_put(Dst, 4967, Dt1(->top), (ptrdiff_t)(luaD_growstack), Dt1(->base));
2295 } else if (num > 0) { /* Copy limited number of varargs. */
2296 dasm_put(Dst, 4993, Dt1(->ci), Dt4(->func), (1+J->pt->numparams)*sizeof(TValue), Dt2([dest]), Dt2([dest+num]), Dt3([0].tt), sizeof(TValue));
2297 }
2298}
2299
2300/* ------------------------------------------------------------------------ */
2301
generated by cgit v1.1 at 2024-07-01 04:22:08 +0000