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2299
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2301
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/*
** This file has been pre-processed with DynASM.
** http://luajit.org/dynasm.html
** DynASM version 1.1.4, DynASM x86 version 1.1.4
** DO NOT EDIT! The original file is in "ljit_x86.dasc".
*/
#if DASM_VERSION != 10104
#error "Version mismatch between DynASM and included encoding engine"
#endif
/*
** Bytecode to machine code translation for x86 CPUs.
** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h
*/
#define DASM_SECTION_CODE 0
#define DASM_SECTION_DEOPT 1
#define DASM_SECTION_TAIL 2
#define DASM_SECTION_MFMAP 3
#define DASM_MAXSECTION 4
#define Dt1(_V) (int)&(((lua_State *)0)_V)
#define Dt2(_V) (int)&(((TValue *)0)_V)
#define Dt3(_V) (int)&(((TValue *)0)_V)
#define Dt4(_V) (int)&(((CallInfo *)0)_V)
#define Dt5(_V) (int)&(((LClosure *)0)_V)
#define Dt6(_V) (int)&(((global_State *)0)_V)
#define Dt7(_V) (int)&(((TValue *)0)_V)
#define Dt8(_V) (int)&(((Value *)0)_V)
#define Dt9(_V) (int)&(((CallInfo *)0)_V)
#define DtA(_V) (int)&(((GCObject *)0)_V)
#define DtB(_V) (int)&(((TString *)0)_V)
#define DtC(_V) (int)&(((Table *)0)_V)
#define DtD(_V) (int)&(((CClosure *)0)_V)
#define DtE(_V) (int)&(((Proto *)0)_V)
#define DtF(_V) (int)&(((UpVal *)0)_V)
#define Dt10(_V) (int)&(((Node *)0)_V)
static const unsigned char jit_actionlist[5059] = {
156,90,137,209,129,252,242,0,0,32,0,82,157,156,90,49,192,57,209,15,132,245,
247,64,83,15,162,91,137,208,249,1,195,255,254,0,251,15,249,10,141,68,36,4,
195,251,15,249,11,85,137,229,131,252,236,8,137,93,252,252,139,93,12,137,117,
12,139,117,8,137,125,252,248,139,190,235,139,131,235,139,142,235,102,252,
255,134,235,252,255,144,235,139,142,235,137,190,235,139,145,235,139,69,16,
137,150,235,139,145,235,133,192,137,150,235,15,136,245,248,193,224,4,1,195,
49,201,137,158,235,249,1,137,143,235,129,199,241,57,223,15,130,245,1,249,
2,255,102,252,255,142,235,184,239,139,125,252,248,139,93,252,252,139,117,
12,137,252,236,93,195,251,15,249,12,139,144,235,129,186,235,241,15,133,245,
247,139,146,235,137,144,235,252,255,226,249,1,131,252,236,12,139,129,235,
137,142,235,137,190,235,199,68,36,8,252,255,252,255,252,255,252,255,137,134,
235,137,92,36,4,43,158,235,137,52,36,232,244,133,192,15,133,245,248,137,52,
36,199,68,36,4,1,0,0,0,232,244,249,2,131,196,12,3,158,235,255,139,190,235,
195,251,15,249,13,141,135,235,131,252,236,12,59,134,235,15,131,245,14,59,
142,235,141,137,235,15,132,245,15,137,142,235,137,153,235,137,129,235,139,
147,235,129,195,241,137,190,235,137,158,235,137,153,235,249,16,137,52,36,
252,255,146,235,249,2,131,196,12,139,142,235,255,193,224,4,139,185,235,15,
132,245,250,139,158,235,137,218,41,195,249,3,139,3,131,195,4,137,7,131,199,
4,57,211,15,130,245,3,249,4,139,153,235,129,233,241,137,142,235,195,144,144,
144,144,144,144,251,15,249,17,252,246,134,235,237,15,133,245,253,249,6,137,
52,36,252,255,146,235,252,246,134,235,237,15,132,245,2,255,137,195,137,52,
36,199,68,36,4,239,199,68,36,8,252,255,252,255,252,255,252,255,232,244,137,
216,233,245,2,249,7,137,211,137,52,36,199,68,36,4,239,199,68,36,8,252,255,
252,255,252,255,252,255,232,244,137,218,233,245,6,251,15,249,14,41,252,248,
193,252,248,4,137,190,235,43,158,235,137,76,36,8,137,52,36,137,68,36,4,232,
244,139,76,36,8,3,158,235,139,190,235,139,131,235,131,196,12,252,255,160,
235,251,15,249,15,137,190,235,137,52,36,232,244,141,136,235,255,139,131,235,
137,142,235,131,196,12,252,255,160,235,255,249,18,90,233,245,19,249,20,137,
190,235,249,19,137,150,235,137,52,36,232,244,139,158,235,139,190,235,252,
255,224,251,15,255,137,190,235,255,232,245,21,255,251,15,249,21,252,246,134,
235,237,15,132,245,248,252,255,142,235,15,132,245,247,252,246,134,235,237,
15,132,245,248,249,1,139,4,36,131,252,236,12,137,52,36,137,68,36,4,232,244,
131,196,12,139,158,235,139,190,235,249,2,195,255,250,255,233,246,255,250,
243,255,254,1,233,245,19,254,0,250,254,2,250,251,1,252,255,252,255,254,3,
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,
20,254,0,139,142,235,139,129,235,191,247,253,59,129,235,15,131,245,22,249,
7,255,251,15,249,22,137,52,36,232,244,139,158,235,252,255,231,255,131,187,
235,5,15,133,245,9,49,192,137,131,235,137,131,235,254,3,238,238,254,0,131,
190,235,0,15,132,245,9,199,134,235,239,129,195,241,255,141,187,235,255,137,
158,235,137,190,235,137,52,36,232,244,139,158,235,139,190,235,255,199,135,
235,0,0,0,0,255,139,139,235,252,243,15,126,131,235,137,139,235,102,15,214,
131,235,255,139,139,235,139,147,235,139,131,235,137,139,235,137,147,235,137,
131,235,255,57,223,15,130,245,9,255,131,187,235,8,15,133,245,9,139,131,235,
131,184,235,0,15,132,245,9,199,134,235,239,137,190,235,137,52,36,137,92,36,
4,199,68,36,8,239,232,244,139,158,235,255,137,199,255,131,187,235,4,15,133,
245,9,139,139,235,219,129,235,199,131,235,3,0,0,0,221,155,235,255,141,187,
235,232,245,23,137,131,235,199,131,235,4,0,0,0,255,141,187,235,232,245,24,
137,131,235,199,131,235,4,0,0,0,255,131,187,235,3,15,133,245,9,141,134,235,
221,131,235,219,24,129,56,252,255,0,0,0,15,135,245,9,137,52,36,137,68,36,
4,199,68,36,8,1,0,0,0,232,244,137,131,235,199,131,235,4,0,0,0,255,251,15,
249,23,139,135,235,193,224,4,11,135,235,193,224,4,11,135,235,45,51,4,0,0,
15,133,245,18,221,135,235,221,135,235,219,92,36,8,219,92,36,4,139,143,235,
139,185,235,139,84,36,8,57,215,15,130,245,250,249,1,11,68,36,4,15,142,245,
252,249,2,41,194,15,140,245,253,141,140,253,1,235,66,249,3,137,116,36,4,137,
76,36,8,137,84,36,12,139,190,235,139,135,235,255,59,135,235,15,131,245,254,
233,244,249,4,15,140,245,251,141,84,58,1,233,245,1,249,5,137,252,250,233,
245,1,249,6,15,132,245,251,1,252,248,64,15,143,245,2,249,5,184,1,0,0,0,233,
245,2,249,7,49,210,233,245,3,255,251,15,249,24,139,135,235,193,224,4,11,135,
235,131,232,67,15,133,245,18,221,135,235,219,92,36,4,139,143,235,139,185,
235,137,252,250,233,245,1,249,8,131,252,236,12,137,52,36,232,244,131,196,
12,139,158,235,233,244,255,131,187,235,5,15,133,245,9,255,141,131,235,137,
52,36,137,68,36,4,232,244,255,141,131,235,141,139,235,137,52,36,137,68,36,
4,137,76,36,8,232,244,255,139,131,235,137,4,36,232,244,137,4,36,219,4,36,
221,155,235,199,131,235,3,0,0,0,255,131,187,235,3,15,133,245,9,221,131,235,
255,139,131,235,193,224,4,11,131,235,131,252,248,51,15,133,245,9,255,217,
252,254,255,217,252,255,255,217,252,242,221,216,255,217,60,36,217,45,239,
217,252,252,217,44,36,255,217,225,255,217,252,250,255,221,131,235,221,131,
235,249,1,217,252,248,223,224,158,15,138,245,1,221,217,255,221,131,235,221,
131,235,217,252,243,255,221,28,36,232,244,255,131,187,235,6,15,133,245,9,
129,187,235,239,15,133,245,9,255,141,131,235,57,199,15,133,245,9,255,141,
187,235,137,190,235,255,131,196,12,129,252,235,241,129,174,235,241,195,255,
141,187,235,137,52,36,137,124,36,4,232,244,133,192,15,133,246,255,139,131,
235,64,139,147,235,137,131,235,137,20,36,137,68,36,4,232,244,139,136,235,
133,201,15,132,245,255,219,131,235,199,131,235,3,0,0,0,221,155,235,139,144,
235,139,128,235,137,139,235,137,147,235,137,131,235,233,246,249,9,255,141,
135,235,131,252,236,12,59,134,235,15,131,245,14,59,142,235,141,137,235,15,
132,245,15,49,192,137,153,235,129,195,241,137,142,235,255,141,147,235,57,
215,255,137,223,255,15,71,252,250,255,15,134,245,247,137,215,249,1,255,141,
147,235,137,129,235,137,145,235,137,150,235,137,158,235,137,153,235,255,15,
130,245,251,249,4,254,2,249,5,137,135,235,129,199,241,57,215,15,130,245,5,
233,245,4,254,0,137,190,235,137,185,235,137,129,235,255,139,139,235,252,243,
15,126,131,235,137,143,235,102,15,214,135,235,255,139,139,235,139,147,235,
137,143,235,139,139,235,137,151,235,137,143,235,255,137,252,251,141,147,235,
141,187,235,137,145,235,137,150,235,255,137,135,235,255,249,2,137,135,235,
137,135,235,129,199,241,57,215,15,130,245,2,255,137,52,36,232,244,255,252,
246,134,235,237,15,132,245,255,232,245,25,249,9,255,251,15,249,25,139,142,
235,139,185,235,139,135,235,139,184,235,139,135,235,131,192,4,137,134,235,
131,252,236,12,137,52,36,199,68,36,4,239,199,68,36,8,252,255,252,255,252,
255,252,255,232,244,131,196,12,139,135,235,137,134,235,139,158,235,195,255,
137,52,36,137,92,36,4,232,244,255,129,174,235,241,137,223,129,252,235,241,
131,196,12,255,139,142,235,139,153,235,129,233,241,137,142,235,141,187,235,
131,196,12,255,252,246,134,235,237,15,132,245,253,232,245,26,249,7,255,139,
68,36,12,137,134,235,255,251,15,249,26,139,4,36,137,134,235,131,252,236,12,
137,52,36,199,68,36,4,239,199,68,36,8,252,255,252,255,252,255,252,255,232,
244,131,196,12,139,158,235,139,190,235,195,255,139,145,235,57,252,251,15,
131,245,248,249,1,139,3,131,195,4,137,2,131,194,4,57,252,251,15,130,245,1,
249,2,131,196,12,139,153,235,129,233,241,137,215,137,142,235,195,255,129,
174,235,241,129,252,235,241,255,131,196,12,141,187,235,195,255,139,142,235,
139,185,235,129,233,241,137,142,235,255,139,139,235,139,147,235,139,131,235,
137,143,235,137,151,235,137,135,235,255,131,196,12,137,252,251,255,129,199,
241,255,139,142,235,131,187,235,6,255,139,131,235,186,239,137,145,235,255,
15,133,245,20,255,15,133,245,19,255,15,132,245,247,232,245,27,249,1,255,251,
15,249,27,131,252,236,12,137,150,235,137,190,235,137,52,36,137,92,36,4,232,
244,131,196,12,137,195,139,190,235,139,131,235,139,142,235,195,255,252,255,
144,235,255,137,158,235,255,49,192,255,141,147,235,249,1,137,135,235,137,
135,235,129,199,241,57,215,15,130,245,1,255,131,187,235,6,15,133,245,9,255,
131,187,235,6,15,133,245,251,254,2,249,5,255,186,239,233,245,28,254,0,251,
15,249,28,137,150,235,137,190,235,137,52,36,137,92,36,4,232,244,139,142,235,
139,150,235,139,185,235,249,1,139,24,131,192,4,137,31,131,199,4,57,208,15,
130,245,1,139,153,235,139,131,235,129,233,241,131,196,12,252,255,160,235,
255,139,131,235,255,139,139,235,139,147,235,137,139,235,139,139,235,137,147,
235,137,139,235,255,141,187,235,129,252,235,241,139,142,235,137,131,235,255,
139,142,235,141,187,235,139,153,235,139,135,235,137,131,235,255,139,135,235,
252,243,15,126,135,235,137,131,235,102,15,214,131,235,255,139,135,235,139,
151,235,137,131,235,139,135,235,137,147,235,137,131,235,255,141,187,235,139,
131,235,255,139,145,235,249,1,139,3,131,195,4,137,2,131,194,4,57,252,251,
15,130,245,1,139,153,235,137,215,139,131,235,255,199,131,235,0,0,0,0,255,
186,1,0,0,0,137,147,235,137,147,235,255,199,131,235,0,0,0,0,199,131,235,1,
0,0,0,255,217,252,238,255,217,232,255,221,5,239,255,199,131,235,239,199,131,
235,4,0,0,0,255,137,131,235,195,255,141,139,235,141,147,235,249,1,137,1,57,
209,141,137,235,15,134,245,1,255,139,142,235,139,185,235,139,135,235,255,
139,136,235,139,185,235,255,139,143,235,252,243,15,126,135,235,137,139,235,
102,15,214,131,235,255,139,143,235,139,151,235,139,135,235,137,139,235,137,
147,235,137,131,235,255,139,136,235,139,185,235,139,131,235,139,147,235,137,
135,235,131,252,248,4,139,131,235,137,151,235,137,135,235,15,131,245,251,
249,4,254,2,249,5,252,246,130,235,237,15,132,245,4,252,246,129,235,237,15,
132,245,4,232,245,29,233,245,4,254,0,251,15,249,29,137,84,36,12,137,76,36,
8,137,116,36,4,233,244,255,251,15,249,30,139,142,235,139,185,235,139,135,
235,139,184,235,233,245,255,255,251,15,249,31,131,191,235,5,139,191,235,15,
133,245,18,249,9,15,182,143,235,184,1,0,0,0,211,224,72,35,130,235,193,224,
5,3,135,235,249,1,131,184,235,4,15,133,245,248,57,144,235,15,133,245,248,
139,136,235,133,201,15,132,245,249,255,252,243,15,126,128,235,102,15,214,
131,235,255,139,144,235,139,184,235,137,147,235,137,187,235,255,137,139,235,
139,158,235,195,249,2,139,128,235,133,192,15,133,245,1,49,201,249,3,139,135,
235,133,192,15,132,245,250,252,246,128,235,237,15,132,245,251,249,4,137,139,
235,139,158,235,195,249,5,137,150,235,199,134,235,4,0,0,0,139,12,36,131,252,
236,12,137,142,235,137,52,36,137,124,36,4,137,92,36,8,232,244,131,196,12,
139,158,235,255,251,15,249,32,139,135,235,193,224,4,11,129,235,131,252,248,
84,139,191,235,139,145,235,15,132,245,9,233,245,18,255,251,15,249,33,139,
142,235,128,167,235,237,139,145,235,137,185,235,137,151,235,195,255,251,15,
249,34,139,142,235,139,185,235,139,135,235,139,184,235,233,245,255,255,251,
15,249,35,131,191,235,5,139,191,235,15,133,245,18,249,9,15,182,143,235,184,
1,0,0,0,211,224,72,35,130,235,193,224,5,3,135,235,249,1,131,184,235,4,15,
133,245,250,57,144,235,15,133,245,250,131,184,235,0,15,132,245,252,249,2,
198,135,235,0,249,3,255,252,246,135,235,237,15,133,245,254,249,7,255,139,
139,235,252,243,15,126,131,235,137,136,235,102,15,214,128,235,255,139,139,
235,139,147,235,139,187,235,137,136,235,137,144,235,137,184,235,255,139,158,
235,195,249,8,232,245,33,233,245,7,249,4,139,128,235,133,192,15,133,245,1,
139,143,235,133,201,15,132,245,251,252,246,129,235,237,15,132,245,253,249,
5,141,134,235,137,144,235,199,128,235,4,0,0,0,131,252,236,12,137,52,36,137,
124,36,4,137,68,36,8,232,244,131,196,12,233,245,2,249,6,255,139,143,235,133,
201,15,132,245,2,252,246,129,235,237,15,133,245,2,249,7,137,150,235,199,134,
235,4,0,0,0,139,12,36,131,252,236,12,137,142,235,137,52,36,137,124,36,4,137,
92,36,8,232,244,131,196,12,139,158,235,195,255,251,15,249,36,139,135,235,
193,224,4,11,129,235,131,252,248,84,139,191,235,139,145,235,15,132,245,9,
233,245,18,255,137,52,36,199,68,36,4,239,199,68,36,8,239,232,244,137,131,
235,199,131,235,5,0,0,0,255,186,239,255,232,245,30,255,232,245,34,255,141,
187,235,186,239,255,141,187,235,141,139,235,255,131,187,235,5,139,187,235,
15,133,245,255,185,239,139,135,235,59,143,235,15,135,245,251,255,139,131,
235,193,224,4,11,131,235,131,252,248,83,15,133,245,255,255,252,242,15,16,
131,235,252,242,15,44,192,252,242,15,42,200,72,102,15,46,200,139,187,235,
15,133,245,255,15,138,245,255,255,221,131,235,219,20,36,219,4,36,255,223,
233,221,216,255,218,233,223,224,158,255,15,133,245,255,15,138,245,255,139,
4,36,139,187,235,72,255,59,135,235,15,131,245,251,193,224,4,3,135,235,255,
232,245,31,255,232,245,32,255,185,239,255,141,147,235,255,199,134,235,239,
83,81,82,86,232,244,131,196,16,139,158,235,255,249,1,139,144,235,133,210,
15,132,245,252,255,139,136,235,139,128,235,137,139,235,137,131,235,255,249,
2,137,147,235,254,2,232,245,37,255,232,245,38,255,233,245,1,249,6,139,143,
235,133,201,15,132,245,2,252,246,129,235,237,15,133,245,2,249,9,186,239,233,
245,19,254,0,251,15,249,37,137,76,36,4,131,252,236,12,137,60,36,137,76,36,
4,232,244,131,196,12,139,76,36,4,193,225,4,41,200,129,192,241,195,255,251,
15,249,38,64,137,124,36,4,137,68,36,8,233,244,255,187,239,255,232,245,35,
255,232,245,36,255,199,134,235,239,82,81,83,86,232,244,131,196,16,139,158,
235,255,249,1,131,184,235,0,15,132,245,252,249,2,254,2,232,245,39,255,232,
245,40,255,252,246,135,235,237,15,133,245,253,249,3,254,2,249,7,232,245,33,
233,245,3,254,0,199,128,235,0,0,0,0,255,186,1,0,0,0,137,144,235,137,144,235,
255,199,128,235,0,0,0,0,199,128,235,1,0,0,0,255,221,152,235,199,128,235,3,
0,0,0,255,199,128,235,239,199,128,235,4,0,0,0,255,251,15,249,39,137,76,36,
4,131,252,236,12,137,52,36,137,124,36,4,137,76,36,8,232,244,131,196,12,139,
76,36,4,193,225,4,41,200,129,192,241,195,255,251,15,249,40,64,137,116,36,
4,137,124,36,8,137,68,36,12,233,244,255,137,190,235,141,131,235,41,252,248,
252,247,216,193,252,248,4,139,187,235,15,132,245,250,255,129,192,241,255,
57,135,235,15,131,245,247,137,52,36,137,124,36,4,137,68,36,8,232,244,249,
1,252,246,135,235,237,139,151,235,15,133,245,252,139,190,235,254,2,249,6,
232,245,33,233,245,1,254,0,139,187,235,129,191,235,241,15,130,245,251,249,
1,252,246,135,235,237,139,151,235,15,133,245,252,141,187,235,254,2,249,5,
137,52,36,137,124,36,4,199,68,36,8,239,232,244,233,245,1,249,6,232,245,33,
233,245,1,254,0,129,194,241,255,141,139,235,249,3,139,1,131,193,4,137,2,131,
194,4,57,252,249,15,130,245,3,249,4,255,131,187,235,3,139,131,235,15,133,
245,255,133,192,15,136,245,255,255,221,131,235,221,5,239,255,221,5,239,221,
131,235,255,139,131,235,193,224,4,11,131,235,131,252,248,51,139,131,235,15,
133,245,255,11,131,235,15,136,245,255,221,131,235,221,131,235,255,131,187,
235,3,15,133,245,255,221,131,235,255,216,200,255,217,192,216,200,255,220,
201,255,222,201,255,199,4,36,239,199,68,36,4,239,199,68,36,8,239,131,187,
235,3,15,133,245,255,219,44,36,220,139,235,217,192,217,252,252,220,233,217,
201,217,252,240,217,232,222,193,217,252,253,221,217,255,251,15,249,41,217,
232,221,68,36,8,217,252,241,139,68,36,4,219,56,195,255,131,187,235,3,15,133,
245,255,255,131,187,235,3,255,139,131,235,193,224,4,11,131,235,131,252,248,
51,255,216,192,255,220,131,235,255,220,163,235,255,220,171,235,255,220,139,
235,255,220,179,235,255,220,187,235,255,131,252,236,16,221,28,36,221,131,
235,221,92,36,8,232,244,131,196,16,255,131,252,236,16,221,92,36,8,221,131,
235,221,28,36,232,244,131,196,16,255,217,224,255,15,138,246,255,15,130,246,
255,15,134,246,255,15,135,246,255,15,131,246,255,199,134,235,239,137,52,36,
137,76,36,4,137,84,36,8,232,244,133,192,139,158,235,255,15,132,246,255,199,
134,235,239,199,4,36,239,82,81,83,86,232,244,131,196,16,139,158,235,255,131,
187,235,5,139,139,235,15,133,245,9,137,12,36,232,244,137,4,36,219,4,36,221,
155,235,199,131,235,3,0,0,0,255,131,187,235,4,139,139,235,15,133,245,9,219,
129,235,221,155,235,199,131,235,3,0,0,0,255,199,134,235,239,137,52,36,137,
92,36,4,137,76,36,8,232,244,139,158,235,255,139,131,235,139,139,235,186,1,
0,0,0,33,193,209,232,9,193,49,192,57,209,17,192,137,147,235,137,131,235,255,
232,245,42,137,131,235,199,131,235,4,0,0,0,255,199,134,235,239,137,52,36,
199,68,36,4,239,199,68,36,8,239,232,244,139,158,235,255,251,15,249,42,137,
116,36,4,139,131,235,193,224,4,11,131,235,131,232,68,15,133,245,18,249,1,
139,190,235,139,179,235,139,147,235,139,142,235,133,201,15,132,245,248,11,
130,235,15,132,245,250,1,200,15,130,245,255,59,135,235,15,135,245,251,139,
191,235,129,198,241,255,252,243,164,139,138,235,141,178,235,252,243,164,41,
199,139,116,36,4,137,124,36,8,137,68,36,12,139,158,235,233,244,249,2,137,
208,249,3,139,116,36,4,139,158,235,195,249,4,137,252,240,233,245,3,249,5,
139,116,36,4,141,143,235,131,252,236,12,137,52,36,137,76,36,4,137,68,36,8,
232,244,131,196,12,49,192,233,245,1,249,9,139,116,36,4,233,245,18,255,131,
187,235,0,255,139,131,235,139,139,235,72,73,9,200,255,139,131,235,72,11,131,
235,255,131,187,235,3,15,133,246,221,131,235,221,5,239,255,131,187,235,4,
15,133,246,129,187,235,239,255,139,131,235,59,131,235,15,133,246,255,131,
252,248,3,15,133,245,9,221,131,235,221,131,235,255,131,252,248,4,15,133,245,
9,139,139,235,59,139,235,255,141,147,235,141,139,235,199,134,235,239,137,
52,36,137,76,36,4,137,84,36,8,232,244,72,139,158,235,255,139,131,235,139,
139,235,137,194,33,202,141,20,80,209,234,255,15,132,245,247,255,15,133,245,
247,255,139,147,235,137,131,235,137,139,235,137,147,235,233,246,249,1,255,
139,131,235,193,224,4,11,131,235,131,252,248,51,15,133,245,255,249,4,221,
131,235,221,131,235,221,147,235,255,249,4,139,131,235,193,224,4,11,131,235,
193,224,4,11,131,235,61,51,3,0,0,139,131,235,15,133,245,255,221,131,235,221,
131,235,133,192,221,147,235,15,136,245,247,217,201,249,1,255,199,131,235,
3,0,0,0,15,130,246,255,249,9,141,131,235,199,134,235,239,137,52,36,137,68,
36,4,232,244,233,245,4,254,0,221,131,235,221,131,235,220,131,235,221,147,
235,221,147,235,199,131,235,3,0,0,0,255,139,131,235,221,131,235,221,131,235,
221,131,235,222,193,221,147,235,221,147,235,199,131,235,3,0,0,0,133,192,15,
136,245,247,217,201,249,1,255,131,187,235,0,15,132,245,247,255,141,131,235,
137,68,36,4,255,137,92,36,4,255,139,187,235,255,139,142,235,139,185,235,139,
191,235,255,139,151,235,137,52,36,199,68,36,4,239,137,84,36,8,232,244,199,
128,235,239,137,131,235,199,131,235,6,0,0,0,255,139,151,235,137,144,235,255,
137,52,36,232,244,137,135,235,255,249,1,139,142,235,139,145,235,129,194,241,
141,132,253,27,235,41,208,59,134,235,15,131,245,251,141,187,235,57,218,15,
131,245,249,249,2,139,2,131,194,4,137,7,131,199,4,57,218,15,130,245,2,249,
3,254,2,249,5,43,134,235,193,252,248,4,137,52,36,137,68,36,4,232,244,139,
158,235,233,245,1,254,0,139,142,235,139,145,235,129,194,241,141,187,235,141,
139,235,57,218,15,131,245,248,249,1,139,2,131,194,4,137,7,131,199,4,57,207,
15,131,245,250,57,218,15,130,245,1,249,2,49,192,249,3,137,135,235,129,199,
241,57,207,15,130,245,3,249,4,255
};
enum {
JSUB_STACKPTR,
JSUB_GATE_LJ,
JSUB_GATE_JL,
JSUB_GATE_JC,
JSUB_GROW_STACK,
JSUB_GROW_CI,
JSUB_GATE_JC_PATCH,
JSUB_GATE_JC_DEBUG,
JSUB_DEOPTIMIZE_CALLER,
JSUB_DEOPTIMIZE,
JSUB_DEOPTIMIZE_OPEN,
JSUB_HOOKINS,
JSUB_GCSTEP,
JSUB_STRING_SUB3,
JSUB_STRING_SUB2,
JSUB_HOOKCALL,
JSUB_HOOKRET,
JSUB_METACALL,
JSUB_METATAILCALL,
JSUB_BARRIERF,
JSUB_GETGLOBAL,
JSUB_GETTABLE_KSTR,
JSUB_GETTABLE_STR,
JSUB_BARRIERBACK,
JSUB_SETGLOBAL,
JSUB_SETTABLE_KSTR,
JSUB_SETTABLE_STR,
JSUB_GETTABLE_KNUM,
JSUB_GETTABLE_NUM,
JSUB_SETTABLE_KNUM,
JSUB_SETTABLE_NUM,
JSUB_LOG2_TWORD,
JSUB_CONCAT_STR2,
JSUB__MAX
};
/* ------------------------------------------------------------------------ */
/* Arch string. */
const char luaJIT_arch[] = "x86";
/* Forward declarations for C functions called from jsubs. */
static void jit_hookins(lua_State *L, const Instruction *newpc);
static void jit_gettable_fb(lua_State *L, Table *t, StkId dest);
static void jit_settable_fb(lua_State *L, Table *t, StkId val);
/* ------------------------------------------------------------------------ */
/* Detect CPU features and set JIT flags. */
static int jit_cpudetect(jit_State *J)
{
void *mcode;
size_t sz;
int status;
/* Some of the jsubs need the flags. So compile this separately. */
unsigned int feature;
dasm_setup(Dst, jit_actionlist);
dasm_put(Dst, 0);
(void)dasm_checkstep(Dst, DASM_SECTION_CODE);
status = luaJIT_link(J, &mcode, &sz);
if (status != JIT_S_OK)
return status;
/* Check feature bits. See the Intel/AMD manuals for the bit definitions. */
feature = ((unsigned int (*)(void))mcode)();
if (feature & (1<<15)) J->flags |= JIT_F_CPU_CMOV;
if (feature & (1<<26)) J->flags |= JIT_F_CPU_SSE2;
luaJIT_freemcode(J, mcode, sz); /* We don't need this code anymore. */
return JIT_S_OK;
}
/* Check some assumptions. Should compile to nop. */
static int jit_consistency_check(jit_State *J)
{
do {
/* Force a compiler error for inconsistent structure sizes. */
/* Check LUA_TVALUE_ALIGN in luaconf.h, too. */
int check_TVALUE_SIZE_in_ljit_x86_dash[1+16-sizeof(TValue)];
int check_TVALUE_SIZE_in_ljit_x86_dash_[1+sizeof(TValue)-16];
((void)check_TVALUE_SIZE_in_ljit_x86_dash[0]);
((void)check_TVALUE_SIZE_in_ljit_x86_dash_[0]);
if (LUA_TNIL != 0 || LUA_TBOOLEAN != 1 || PCRLUA != 0) break;
if ((int)&(((Node *)0)->i_val) != (int)&(((StkId)0)->value)) break;
return JIT_S_OK;
} while (0);
J->dasmstatus = 999999999; /* Recognizable error. */
return JIT_S_COMPILER_ERROR;
}
/* Compile JIT subroutines (once). */
static int jit_compile_jsub(jit_State *J)
{
int status = jit_consistency_check(J);
if (status != JIT_S_OK) return status;
status = jit_cpudetect(J);
if (status != JIT_S_OK) return status;
dasm_setup(Dst, jit_actionlist);
dasm_put(Dst, 34);
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));
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));
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));
dasm_put(Dst, 336, Dt4(->func), Dt1(->top), Dt4(->func), sizeof(CallInfo), Dt1(->ci), Dt1(->hookmask), LUA_MASKCALL, DtD(->f), Dt1(->hookmask), LUA_MASKRET);
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]));
dasm_put(Dst, 547, Dt2(->value), Dt1(->ci), Dt5(->jit_gate));
dasm_put(Dst, 602, Dt1(->hookmask), LUA_MASKLINE|LUA_MASKCOUNT, Dt1(->hookcount), Dt1(->hookmask), LUA_MASKLINE, (ptrdiff_t)(jit_hookins), Dt1(->base), Dt1(->top));
dasm_put(Dst, 737, (ptrdiff_t)(luaC_step), Dt1(->base));
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));
dasm_put(Dst, 1129, Dt6(->GCthreshold), (ptrdiff_t)(luaS_newlstr));
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));
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));
dasm_put(Dst, 1886, Dt1(->savedpc), LUA_HOOKRET, (ptrdiff_t)(luaD_callhook), Dt1(->base), Dt1(->top));
dasm_put(Dst, 2077, Dt1(->savedpc), Dt1(->top), (ptrdiff_t)(luaD_tryfuncTM), Dt1(->top), Dt2(->value), Dt1(->ci));
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));
dasm_put(Dst, 2570, (ptrdiff_t)(luaC_barrierf));
dasm_put(Dst, 2589, Dt1(->ci), Dt4(->func), Dt3(->value), Dt5(->env));
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));
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 2674, Dt10(->i_val.value), Dt2(->value));
} else {
dasm_put(Dst, 2686, Dt10(->i_val.value), Dt10(->i_val.value.na[1]), Dt2(->value), Dt2(->value.na[1]));
}
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));
dasm_put(Dst, 32);
dasm_put(Dst, 2790, Dt3(->tt), Dt7(->tt), Dt3(->value), Dt7(->value));
dasm_put(Dst, 2821, Dt1(->l_G), DtC(->marked), (~bitmask(BLACKBIT))&0xff, Dt6(->grayagain), Dt6(->grayagain), DtC(->gclist));
dasm_put(Dst, 2843, Dt1(->ci), Dt4(->func), Dt3(->value), Dt5(->env));
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));
dasm_put(Dst, 2935, DtC(->marked), bitmask(BLACKBIT));
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 2947, Dt2([0].tt), Dt2([0].value), Dt7([0].tt), Dt7([0].value));
} else {
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));
}
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));
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));
dasm_put(Dst, 3127, Dt3(->tt), Dt7(->tt), Dt3(->value), Dt7(->value));
dasm_put(Dst, 3438, (ptrdiff_t)(luaH_getnum), sizeof(TValue));
dasm_put(Dst, 3476, (ptrdiff_t)(luaH_getnum));
dasm_put(Dst, 3623, (ptrdiff_t)(luaH_setnum), sizeof(TValue));
dasm_put(Dst, 3665, (ptrdiff_t)(luaH_setnum));
dasm_put(Dst, 3992);
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));
dasm_put(Dst, 4396, DtB(->tsv.len), DtB([1]), Dt1(->base), (ptrdiff_t)(luaS_newlstr), Dt1(->base), Dt6(->buff), (ptrdiff_t)(luaZ_openspace));
dasm_put(Dst, 561, Dt1(->top), Dt1(->savedpc), (ptrdiff_t)(luaJIT_deoptimize), Dt1(->base), Dt1(->top));
(void)dasm_checkstep(Dst, DASM_SECTION_CODE);
status = luaJIT_link(J, &J->jsubmcode, &J->szjsubmcode);
if (status != JIT_S_OK)
return status;
/* Copy the callgates from the globals to the global state. */
G(J->L)->jit_gateLJ = (luaJIT_GateLJ)J->jsub[JSUB_GATE_LJ];
G(J->L)->jit_gateJL = (lua_CFunction)J->jsub[JSUB_GATE_JL];
G(J->L)->jit_gateJC = (lua_CFunction)J->jsub[JSUB_GATE_JC];
return JIT_S_OK;
}
/* Match with number of nops above. Avoid confusing the instruction decoder. */
#define DEBUGPATCH_SIZE 6
/* Notify backend that the debug mode may have changed. */
void luaJIT_debugnotify(jit_State *J)
{
unsigned char *patch = (unsigned char *)J->jsub[JSUB_GATE_JC_PATCH];
unsigned char *target = (unsigned char *)J->jsub[JSUB_GATE_JC_DEBUG];
/* Yep, this is self-modifying code -- don't tell anyone. */
if (patch[0] == 0xe9) { /* Debug patch is active. */
if (!(J->flags & JIT_F_DEBUG_CALL)) /* Deactivate it. */
memcpy(patch, target-DEBUGPATCH_SIZE, DEBUGPATCH_SIZE);
} else { /* Debug patch is inactive. */
if (J->flags & JIT_F_DEBUG_CALL) { /* Activate it. */
int rel = target-(patch+5);
memcpy(target-DEBUGPATCH_SIZE, patch, DEBUGPATCH_SIZE);
patch[0] = 0xe9; /* jmp */
memcpy(patch+1, &rel, 4); /* Relative address. */
memset(patch+5, 0x90, DEBUGPATCH_SIZE-5); /* nop */
}
}
}
/* Patch a jmp into existing mcode. */
static void jit_patch_jmp(jit_State *J, void *mcode, void *to)
{
unsigned char *patch = (unsigned char *)mcode;
int rel = ((unsigned char *)to)-(patch+5);
patch[0] = 0xe9; /* jmp */
memcpy((void *)(patch+1), &rel, 4); /* Relative addr. */
}
/* ------------------------------------------------------------------------ */
/* Call line/count hook. */
static void jit_hookins(lua_State *L, const Instruction *newpc)
{
Proto *pt = ci_func(L->ci)->l.p;
int pc = luaJIT_findpc(pt, newpc); /* Sloooow with mcode addrs. */
const Instruction *savedpc = L->savedpc;
L->savedpc = pt->code + pc + 1;
if (L->hookmask > LUA_MASKLINE && L->hookcount == 0) {
resethookcount(L);
luaD_callhook(L, LUA_HOOKCOUNT, -1);
}
if (L->hookmask & LUA_MASKLINE) {
int newline = getline(pt, pc);
if (pc != 0) {
int oldpc = luaJIT_findpc(pt, savedpc);
if (!(pc <= oldpc || newline != getline(pt, oldpc))) return;
}
luaD_callhook(L, LUA_HOOKLINE, newline);
}
}
/* Insert hook check for each instruction in full debug mode. */
static void jit_ins_debug(jit_State *J, int openop)
{
if (openop) {
dasm_put(Dst, 594, Dt1(->top));
}
dasm_put(Dst, 598);
}
/* Called before every instruction. */
static void jit_ins_start(jit_State *J)
{
dasm_put(Dst, 663, J->nextpc);
}
/* Chain to another instruction. */
static void jit_ins_chainto(jit_State *J, int pc)
{
dasm_put(Dst, 665, pc);
}
/* Set PC label. */
static void jit_ins_setpc(jit_State *J, int pc, void *target)
{
dasm_put(Dst, 668, pc, (ptrdiff_t)(target));
}
/* Called after the last instruction has been encoded. */
static void jit_ins_last(jit_State *J, int lastpc, int sizemfm)
{
if (J->tflags & JIT_TF_USED_DEOPT) { /* Deopt section has been used? */
dasm_put(Dst, 671);
dasm_put(Dst, 673);
}
dasm_put(Dst, 678, lastpc+1);
dasm_put(Dst, 681, lastpc+2);
dasm_put(Dst, 690, sizemfm);
}
/* Add a deoptimize target for the current instruction. */
static void jit_deopt_target(jit_State *J, int nargs)
{
if (nargs != -1) {
dasm_put(Dst, 671);
dasm_put(Dst, 702, (ptrdiff_t)(J->nextins));
J->tflags |= JIT_TF_USED_DEOPT;
} else {
dasm_put(Dst, 679);
dasm_put(Dst, 709, (ptrdiff_t)(J->nextins));
}
}
/* luaC_checkGC() inlined. Destroys caller-saves + TOP (edi). Uses label 7:. */
/* Use this only at the _end_ of an instruction. */
static void jit_checkGC(jit_State *J)
{
dasm_put(Dst, 718, Dt1(->l_G), Dt6(->totalbytes), Dt6(->GCthreshold));
}
/* ------------------------------------------------------------------------ */
/*
** Function inlining support for x86 CPUs.
** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h
*/
/* ------------------------------------------------------------------------ */
/* Private structure holding function inlining info. */
typedef struct jit_InlineInfo {
int func; /* Function slot. 1st arg slot = func+1. */
int res; /* 1st result slot. Overlaps func/ci->func. */
int nargs; /* Number of args. */
int nresults; /* Number of results. */
int xnargs; /* Expected number of args. */
int xnresults; /* Returned number of results. */
int hidx; /* Library/function index numbers. */
} jit_InlineInfo;
/* ------------------------------------------------------------------------ */
enum { TFOR_FUNC, TFOR_TAB, TFOR_CTL, TFOR_KEY, TFOR_VAL };
static void jit_inline_base(jit_State *J, jit_InlineInfo *ii)
{
int func = ii->func;
switch (JIT_IH_IDX(ii->hidx)) {
case JIT_IH_BASE_PAIRS:
case JIT_IH_BASE_IPAIRS:
dasm_put(Dst, 753, Dt2([func+TFOR_TAB].tt), Dt2([func+TFOR_CTL].tt), Dt2([func+TFOR_CTL].value));
dasm_put(Dst, 771, JIT_MFM_DEOPT_PAIRS, J->nextpc-1);
break;
default:
jit_assert(0);
break;
}
}
/* ------------------------------------------------------------------------ */
#ifndef COCO_DISABLE
/* Helper function for inlined coroutine.resume(). */
static StkId jit_coroutine_resume(lua_State *L, StkId base, int nresults)
{
lua_State *co = thvalue(base-1);
/* Check for proper usage. Merge of lua_resume() and auxresume() checks. */
if (co->status != LUA_YIELD) {
if (co->status > LUA_YIELD) {
errdead:
setsvalue(L, base-1, luaS_newliteral(L, "cannot resume dead coroutine"));
goto err;
} else if (co->ci != co->base_ci) {
setsvalue(L, base-1,
luaS_newliteral(L, "cannot resume non-suspended coroutine"));
goto err;
} else if (co->base == co->top) {
goto errdead;
}
}
{
ptrdiff_t ndelta = (char *)L->top - (char *)base;
int nargs = ndelta/sizeof(TValue); /* Compute nargs. */
int status;
if ((char *)co->stack_last-(char *)co->top <= ndelta) {
co->ci->top = (StkId)(((char *)co->top) + ndelta); /* Ok before grow. */
luaD_growstack(co, nargs); /* Grow thread stack. */
}
/* Copy args. */
co->top = (StkId)(((char *)co->top) + ndelta);
{ StkId t = co->top, f = L->top; while (f > base) setobj2s(co, --t, --f); }
L->top = base;
status = luaCOCO_resume(co, nargs); /* Resume Coco thread. */
if (status == 0 || status == LUA_YIELD) { /* Ok. */
StkId f;
if (nresults == 0) return NULL;
if (nresults == -1) {
luaD_checkstack(L, co->top - co->base); /* Grow own stack. */
}
base = L->top - 2;
setbvalue(base++, 1); /* true */
/* Copy results. Fill unused result slots with nil. */
f = co->base;
while (--nresults != 0 && f < co->top) setobj2s(L, base++, f++);
while (nresults-- > 0) setnilvalue(base++);
co->top = co->base;
return base;
} else { /* Error. */
base = L->top;
setobj2s(L, base-1, co->top-1); /* Copy error object. */
err:
setbvalue(base-2, 0); /* false */
nresults -= 2;
while (--nresults >= 0) setnilvalue(base+nresults); /* Fill results. */
return base;
}
}
}
static void jit_inline_coroutine(jit_State *J, jit_InlineInfo *ii)
{
int arg = ii->func+1;
int res = ii->res;
int i;
switch (JIT_IH_IDX(ii->hidx)) {
case JIT_IH_COROUTINE_YIELD:
dasm_put(Dst, 775, ((int)&LHASCOCO((lua_State *)0)), Dt1(->savedpc), (ptrdiff_t)(J->nextins), arg*sizeof(TValue));
if (ii->nargs >= 0) { /* Previous op was not open and did not set TOP. */
dasm_put(Dst, 791, Dt2([ii->nargs]));
}
dasm_put(Dst, 795, Dt1(->base), Dt1(->top), (ptrdiff_t)(luaCOCO_yield), Dt1(->base), Dt1(->top));
jit_assert(ii->nresults >= 0 && ii->nresults <= EXTRA_STACK);
for (i = 0; i < ii->nresults; i++) {
dasm_put(Dst, 813, Dt3([i].tt));
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 821, Dt2([arg+i].tt), Dt2([arg+i].value), Dt2([res+i].tt), Dt2([res+i].value));
} else {
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));
}
}
ii->nargs = -1; /* Force restore of L->top. */
break;
case JIT_IH_COROUTINE_RESUME:
jit_assert(ii->nargs != 0 && ii->res == ii->func);
dasm_put(Dst, 787, (arg+1)*sizeof(TValue));
if (ii->nargs >= 0) { /* Previous op was not open and did not set TOP. */
dasm_put(Dst, 791, Dt2([ii->nargs-1]));
} else {
dasm_put(Dst, 858);
}
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));
if (ii->nresults == -1) {
dasm_put(Dst, 909);
}
ii->nargs = -1; /* Force restore of L->top. */
break;
default:
jit_assert(0);
break;
}
}
#endif /* COCO_DISABLE */
/* ------------------------------------------------------------------------ */
static void jit_inline_string(jit_State *J, jit_InlineInfo *ii)
{
int arg = ii->func+1;
int res = ii->res;
switch (JIT_IH_IDX(ii->hidx)) {
case JIT_IH_STRING_LEN:
dasm_put(Dst, 912, Dt2([arg].tt), Dt2([arg].value), DtB(->tsv.len), Dt2([res].tt), Dt2([res].value));
break;
case JIT_IH_STRING_SUB:
/* TODO: inline numeric constants with help from the optimizer. */
/* But this would save only another 15-20% in a trivial loop. */
jit_assert(ii->nargs >= 2); /* Open op caveat is ok, too. */
if (ii->nargs > 2) {
dasm_put(Dst, 937, Dt2([arg]), Dt2([res].value), Dt2([res].tt));
} else {
dasm_put(Dst, 954, Dt2([arg]), Dt2([res].value), Dt2([res].tt));
}
break;
case JIT_IH_STRING_CHAR:
dasm_put(Dst, 971, Dt2([arg].tt), Dt1(->env), Dt2([arg].value), (ptrdiff_t)(luaS_newlstr), Dt2([res].value), Dt2([res].tt));
break;
default:
jit_assert(0);
break;
}
}
/* ------------------------------------------------------------------------ */
/* Helper functions for inlined calls to table.*. */
static void jit_table_insert(lua_State *L, TValue *arg)
{
setobj2t(L, luaH_setnum(L, hvalue(arg), luaH_getn(hvalue(arg))+1), arg+1);
luaC_barriert(L, hvalue(arg), arg+1);
}
static TValue *jit_table_remove(lua_State *L, TValue *arg, TValue *res)
{
int n = luaH_getn(hvalue(arg));
if (n == 0) {
setnilvalue(res); /* For the nresults == 1 case. Harmless otherwise. */
return res; /* For the nresults == -1 case. */
} else {
TValue *val = luaH_setnum(L, hvalue(arg), n);
setobj2s(L, res, val);
setnilvalue(val);
return res+1; /* For the nresults == -1 case. */
}
}
static void jit_inline_table(jit_State *J, jit_InlineInfo *ii)
{
int arg = ii->func+1;
int res = ii->res;
dasm_put(Dst, 1250, Dt2([arg].tt));
switch (JIT_IH_IDX(ii->hidx)) {
case JIT_IH_TABLE_INSERT:
dasm_put(Dst, 1259, Dt2([arg]), (ptrdiff_t)(jit_table_insert));
break;
case JIT_IH_TABLE_REMOVE:
dasm_put(Dst, 1272, Dt2([arg]), Dt2([res]), (ptrdiff_t)(jit_table_remove));
if (ii->nresults == -1) {
ii->xnresults = -1;
dasm_put(Dst, 909);
}
break;
case JIT_IH_TABLE_GETN:
dasm_put(Dst, 1292, Dt2([arg].value), (ptrdiff_t)(luaH_getn), Dt2([res].value), Dt2([res].tt));
break;
default:
jit_assert(0);
break;
}
}
/* ------------------------------------------------------------------------ */
/* This typedef must match the libm function signature. */
/* Serves as a check against wrong lua_Number or wrong calling conventions. */
typedef lua_Number (*mathfunc_11)(lua_Number);
/* Partially inlined math functions. */
/* CHECK: must match with jit_hints.h and jit.opt_lib. */
static const mathfunc_11 jit_mathfuncs_11[JIT_IH_MATH_SIN] = {
log, log10, exp, sinh, cosh, tanh, asin, acos, atan
};
/* FPU control words for ceil and floor (exceptions masked, full precision). */
static const unsigned short jit_fpucw[2] = { 0x0b7f, 0x077f };
static void jit_inline_math(jit_State *J, jit_InlineInfo *ii)
{
int arg = ii->func+1;
int res = ii->res;
int idx = JIT_IH_IDX(ii->hidx);
if (idx < JIT_IH_MATH__21) {
dasm_put(Dst, 1317, Dt2([arg].tt), Dt2([arg].value));
} else {
jit_assert(idx < JIT_IH_MATH__LAST);
dasm_put(Dst, 1329, Dt2([arg].tt), Dt2([arg+1].tt));
}
switch (idx) {
/* We ignore sin/cos/tan range overflows (2^63 rad) just like -ffast-math. */
case JIT_IH_MATH_SIN:
dasm_put(Dst, 1347);
break;
case JIT_IH_MATH_COS:
dasm_put(Dst, 1351);
break;
case JIT_IH_MATH_TAN:
dasm_put(Dst, 1355);
break;
case JIT_IH_MATH_CEIL:
case JIT_IH_MATH_FLOOR:
dasm_put(Dst, 1361, (ptrdiff_t)&jit_fpucw[idx-JIT_IH_MATH_CEIL]);
break;
case JIT_IH_MATH_ABS:
dasm_put(Dst, 1374);
break;
case JIT_IH_MATH_SQRT:
dasm_put(Dst, 1377);
break;
case JIT_IH_MATH_FMOD:
dasm_put(Dst, 1381, Dt2([arg+1].value), Dt2([arg].value));
break;
case JIT_IH_MATH_ATAN2:
dasm_put(Dst, 1402, Dt2([arg].value), Dt2([arg+1].value));
break;
default:
dasm_put(Dst, 1412, (ptrdiff_t)(jit_mathfuncs_11[idx]));
break;
}
dasm_put(Dst, 926, Dt2([res].tt), Dt2([res].value));
}
/* ------------------------------------------------------------------------ */
/* Try to inline a CALL or TAILCALL instruction. */
static int jit_inline_call(jit_State *J, int func, int nargs, int nresults)
{
const TValue *callable = hint_get(J, TYPE); /* TYPE hint = callable. */
int cltype = ttype(callable);
const TValue *oidx;
jit_InlineInfo ii;
int idx;
if (cltype != LUA_TFUNCTION) goto fail;
if (J->flags & JIT_F_DEBUG) goto fail; /* DWIM. */
oidx = hint_get(J, INLINE); /* INLINE hint = library/function index. */
if (!ttisnumber(oidx)) goto fail;
ii.hidx = (int)nvalue(oidx);
idx = JIT_IH_IDX(ii.hidx);
if (nresults == -2) { /* Tailcall. */
/* Tailcalls from vararg functions don't work with BASE[-1]. */
if (J->pt->is_vararg) goto fail; /* So forget about this rare case. */
ii.res = -1; /* Careful: 2nd result overlaps 1st stack slot. */
ii.nresults = -1;
} else {
ii.res = func;
ii.nresults = nresults;
}
ii.func = func;
ii.nargs = nargs;
ii.xnargs = ii.xnresults = 1; /* Default: 1 arg, 1 result. */
/* Check for the currently supported cases. */
switch (JIT_IH_LIB(ii.hidx)) {
case JIT_IHLIB_BASE:
switch (idx) {
case JIT_IH_BASE_PAIRS:
case JIT_IH_BASE_IPAIRS:
if (nresults == -2) goto fail; /* Not useful for tailcalls. */
ii.xnresults = 3;
goto check;
}
break;
#ifndef COCO_DISABLE
case JIT_IHLIB_COROUTINE:
switch (idx) {
case JIT_IH_COROUTINE_YIELD:
/* Only support common cases: no tailcalls, low number of results. */
if (nresults < 0 || nresults > EXTRA_STACK) goto fail;
ii.xnargs = ii.xnresults = -1;
goto ok; /* Anything else is ok. */
case JIT_IH_COROUTINE_RESUME:
/* Only support common cases: no tailcalls, not with 0 args (error). */
if (nresults == -2 || nargs == 0) goto fail;
ii.xnargs = ii.xnresults = -1;
goto ok; /* Anything else is ok. */
}
break;
#endif
case JIT_IHLIB_STRING:
switch (idx) {
case JIT_IH_STRING_LEN:
goto check;
case JIT_IH_STRING_SUB:
if (nargs < 2) goto fail; /* No support for open calls, too. */
goto ok; /* 2 or more args are ok. */
case JIT_IH_STRING_CHAR:
goto check; /* Only single arg supported. */
}
break;
case JIT_IHLIB_TABLE:
switch (idx) {
case JIT_IH_TABLE_INSERT:
ii.xnargs = 2;
goto check; /* Only push (append) supported. */
case JIT_IH_TABLE_REMOVE:
goto check; /* Only pop supported. */
case JIT_IH_TABLE_GETN:
goto check;
}
break;
case JIT_IHLIB_MATH:
if (idx >= JIT_IH_MATH__LAST) goto fail;
if (idx >= JIT_IH_MATH__21) ii.xnargs = 2;
goto check;
}
fail:
return cltype; /* Call could not be inlined. Return type of callable. */
check:
if (nargs != ii.xnargs && nargs != -1) goto fail;
/* The optimizer already checks the number of results (avoid setnil). */
ok: /* Whew, all checks done. Go for it! */
/* Start with the common leadin for inlined calls. */
jit_deopt_target(J, nargs);
dasm_put(Dst, 1418, Dt2([func].tt), Dt2([func].value), (ptrdiff_t)(clvalue(callable)));
if (nargs == -1 && ii.xnargs >= 0) {
dasm_put(Dst, 1435, Dt2([func+1+ii.xnargs]));
}
/* Now inline the function itself. */
switch (JIT_IH_LIB(ii.hidx)) {
case JIT_IHLIB_BASE: jit_inline_base(J, &ii); break;
#ifndef COCO_DISABLE
case JIT_IHLIB_COROUTINE: jit_inline_coroutine(J, &ii); break;
#endif
case JIT_IHLIB_STRING: jit_inline_string(J, &ii); break;
case JIT_IHLIB_TABLE: jit_inline_table(J, &ii); break;
case JIT_IHLIB_MATH: jit_inline_math(J, &ii); break;
default: jit_assert(0); break;
}
/* And add the common leadout for inlined calls. */
if (ii.nresults == -1) {
if (ii.xnresults >= 0) {
dasm_put(Dst, 791, Dt2([ii.res+ii.xnresults]));
}
} else if (ii.nargs == -1) { /* Restore L->top only if needed. */
dasm_put(Dst, 1445, Dt2([J->pt->maxstacksize]), Dt1(->top));
}
if (nresults == -2) { /* Results are in place. Add return for tailcalls. */
dasm_put(Dst, 1452, sizeof(TValue), Dt1(->ci), sizeof(CallInfo));
}
return -1; /* Success, call has been inlined. */
}
/* ------------------------------------------------------------------------ */
/* Helper function for inlined iterator code. Paraphrased from luaH_next. */
/* TODO: GCC has trouble optimizing this. */
static int jit_table_next(lua_State *L, TValue *ra)
{
Table *t = hvalue(&ra[TFOR_TAB]);
int i = ra[TFOR_CTL].value.b; /* Hidden control variable. */
for (; i < t->sizearray; i++) { /* First the array part. */
if (!ttisnil(&t->array[i])) {
setnvalue(&ra[TFOR_KEY], cast_num(i+1));
setobj2s(L, &ra[TFOR_VAL], &t->array[i]);
ra[TFOR_CTL].value.b = i+1;
return 1;
}
}
for (i -= t->sizearray; i < sizenode(t); i++) { /* Then the hash part. */
if (!ttisnil(gval(gnode(t, i)))) {
setobj2s(L, &ra[TFOR_KEY], key2tval(gnode(t, i)));
setobj2s(L, &ra[TFOR_VAL], gval(gnode(t, i)));
ra[TFOR_CTL].value.b = i+1+t->sizearray;
return 1;
}
}
return 0; /* End of iteration. */
}
/* Try to inline a TFORLOOP instruction. */
static int jit_inline_tforloop(jit_State *J, int ra, int nresults, int target)
{
const TValue *oidx = hint_get(J, INLINE); /* INLINE hint = lib/func idx. */
int idx;
if (!ttisnumber(oidx)) return 0; /* No hint: don't inline anything. */
idx = (int)nvalue(oidx);
if (J->flags & JIT_F_DEBUG) return 0; /* DWIM. */
switch (idx) {
case JIT_IH_MKIDX(JIT_IHLIB_BASE, JIT_IH_BASE_PAIRS):
dasm_put(Dst, 1465, Dt2([ra]), (ptrdiff_t)(jit_table_next), target);
return 1; /* Success, iterator has been inlined. */
case JIT_IH_MKIDX(JIT_IHLIB_BASE, JIT_IH_BASE_IPAIRS):
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);
return 1; /* Success, iterator has been inlined. */
}
return 0; /* No support for inlining any other iterators. */
}
/* ------------------------------------------------------------------------ */
#ifdef LUA_COMPAT_VARARG
static void jit_vararg_table(lua_State *L)
{
Table *tab;
StkId base, func;
int i, num, numparams;
luaC_checkGC(L);
base = L->base;
func = L->ci->func;
numparams = clvalue(func)->l.p->numparams;
num = base - func - numparams - 1;
tab = luaH_new(L, num, 1);
for (i = 0; i < num; i++)
setobj2n(L, luaH_setnum(L, tab, i+1), base - num + i);
setnvalue(luaH_setstr(L, tab, luaS_newliteral(L, "n")), (lua_Number)num);
sethvalue(L, base + numparams, tab);
}
#endif
/* Encode JIT function prologue. */
static void jit_prologue(jit_State *J)
{
Proto *pt = J->pt;
int numparams = pt->numparams;
int stacksize = pt->maxstacksize;
dasm_put(Dst, 1544, Dt3([stacksize]), Dt1(->stack_last), Dt1(->end_ci), Dt4([1]), Dt4(->func), sizeof(TValue), Dt1(->ci));
if (numparams > 0) {
dasm_put(Dst, 1580, Dt2([numparams]));
}
if (!pt->is_vararg) { /* Fixarg function. */
/* Must cap L->top at L->base+numparams because 1st LOADNIL is omitted. */
if (numparams == 0) {
dasm_put(Dst, 1586);
} else if (J->flags & JIT_F_CPU_CMOV) {
dasm_put(Dst, 1589);
} else {
dasm_put(Dst, 1594);
}
dasm_put(Dst, 1603, Dt2([stacksize]), Dt4(->tailcalls), Dt4(->top), Dt1(->top), Dt1(->base), Dt4(->base));
} else { /* Vararg function. */
int i;
if (numparams > 0) {
dasm_put(Dst, 1622);
dasm_put(Dst, 1630, Dt3(->tt), sizeof(TValue));
}
dasm_put(Dst, 1649, Dt1(->base), Dt4(->base), Dt4(->tailcalls));
for (i = 0; i < numparams; i++) { /* Move/clear fixargs. */
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 1659, Dt2([i].tt), Dt2([i].value), Dt3([i].tt), Dt3([i].value));
} else {
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));
}
dasm_put(Dst, 854, Dt2([i].tt));
}
if (numparams > 0) {
dasm_put(Dst, 332, Dt1(->ci));
}
dasm_put(Dst, 1696, Dt2([stacksize]), Dt2([numparams]), Dt4(->top), Dt1(->top));
stacksize -= numparams; /* Fixargs are already cleared. */
}
/* Clear undefined args and all vars. Still assumes eax = LUA_TNIL = 0. */
/* Note: cannot clear only args because L->top has grown. */
if (stacksize <= EXTRA_STACK) { /* Loopless clear. May use EXTRA_STACK. */
int i;
for (i = 0; i < stacksize; i++) {
dasm_put(Dst, 1712, Dt3([i].tt));
}
} else { /* Standard loop. */
dasm_put(Dst, 1716, Dt3([0].tt), Dt3([1].tt), 2*sizeof(TValue));
}
#ifdef LUA_COMPAT_VARARG
if (pt->is_vararg & VARARG_NEEDSARG) {
dasm_put(Dst, 1734, (ptrdiff_t)(jit_vararg_table));
}
#endif
/* Call hook check. */
if (J->flags & JIT_F_DEBUG_CALL) {
dasm_put(Dst, 1740, Dt1(->hookmask), LUA_MASKCALL);
}
}
/* Check if we can combine 'return const'. */
static int jit_return_k(jit_State *J)
{
if (!J->combine) return 0; /* COMBINE hint set? */
/* May need to close open upvalues. */
if (!fhint_isset(J, NOCLOSE)) {
dasm_put(Dst, 1820, (ptrdiff_t)(luaF_close));
}
if (!J->pt->is_vararg) { /* Fixarg function. */
dasm_put(Dst, 1830, Dt1(->ci), sizeof(CallInfo), sizeof(TValue));
} else { /* Vararg function. */
dasm_put(Dst, 1844, Dt1(->ci), Dt4(->func), sizeof(CallInfo), Dt1(->ci), Dt2([1]));
}
jit_assert(J->combine == 1); /* Required to skip next RETURN instruction. */
return 1;
}
static void jit_op_return(jit_State *J, int rbase, int nresults)
{
/* Return hook check. */
if (J->flags & JIT_F_DEBUG_CALL) {
if (nresults < 0 && !(J->flags & JIT_F_DEBUG_INS)) {
dasm_put(Dst, 594, Dt1(->top));
}
dasm_put(Dst, 1863, Dt1(->hookmask), LUA_MASKRET);
if (J->flags & JIT_F_DEBUG_INS) {
dasm_put(Dst, 1878, Dt1(->savedpc));
}
}
/* May need to close open upvalues. */
if (!fhint_isset(J, NOCLOSE)) {
dasm_put(Dst, 1820, (ptrdiff_t)(luaF_close));
}
/* Previous op was open: 'return f()' or 'return ...' */
if (nresults < 0) {
dasm_put(Dst, 332, Dt1(->ci));
if (rbase) {
dasm_put(Dst, 787, rbase*sizeof(TValue));
}
dasm_put(Dst, 1933, Dt4(->func), Dt4(->func), sizeof(CallInfo), Dt1(->ci));
return;
}
if (!J->pt->is_vararg) { /* Fixarg function, nresults >= 0. */
int i;
dasm_put(Dst, 1980, Dt1(->ci), sizeof(CallInfo), sizeof(TValue));
for (i = 0; i < nresults; i++) {
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 821, Dt2([rbase+i+1].tt), Dt2([rbase+i+1].value), Dt2([i].tt), Dt2([i].value));
} else {
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));
}
}
dasm_put(Dst, 1989, Dt2([nresults]));
} else { /* Vararg function, nresults >= 0. */
int i;
dasm_put(Dst, 1997, Dt1(->ci), Dt4(->func), sizeof(CallInfo), Dt1(->ci));
for (i = 0; i < nresults; i++) {
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 1659, Dt2([rbase+i].tt), Dt2([rbase+i].value), Dt3([i].tt), Dt3([i].value));
} else {
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));
}
}
dasm_put(Dst, 2029);
if (nresults) {
dasm_put(Dst, 2036, nresults*sizeof(TValue));
}
dasm_put(Dst, 32);
}
}
static void jit_op_call(jit_State *J, int func, int nargs, int nresults)
{
int cltype = jit_inline_call(J, func, nargs, nresults);
if (cltype < 0) return; /* Inlined? */
if (func) {
dasm_put(Dst, 787, func*sizeof(TValue));
}
dasm_put(Dst, 2040, Dt1(->ci), Dt2([0].tt));
if (nargs >= 0) { /* Previous op was not open and did not set TOP. */
dasm_put(Dst, 791, Dt2([1+nargs]));
}
dasm_put(Dst, 2048, Dt2(->value), (ptrdiff_t)(J->nextins), Dt4(->savedpc));
if (cltype == LUA_TFUNCTION) {
if (nargs == -1) {
dasm_put(Dst, 2057);
} else {
dasm_put(Dst, 2062);
}
} else {
dasm_put(Dst, 2067);
}
dasm_put(Dst, 2116, Dt5(->jit_gate));
if (func) {
dasm_put(Dst, 1984, func*sizeof(TValue));
}
dasm_put(Dst, 2121, Dt1(->base));
/* Clear undefined results TOP <= o < func+nresults. */
if (nresults > 0) {
dasm_put(Dst, 2125);
if (nresults <= EXTRA_STACK) { /* Loopless clear. May use EXTRA_STACK. */
int i;
for (i = 0; i < nresults; i++) {
dasm_put(Dst, 1712, Dt3([i].tt));
}
} else { /* Standard loop. TODO: move to .tail? */
dasm_put(Dst, 2128, Dt2([func+nresults]), Dt3([0].tt), Dt3([1].tt), 2*sizeof(TValue));
}
}
if (nresults >= 0) { /* Not an open ins. Restore L->top. */
dasm_put(Dst, 1445, Dt2([J->pt->maxstacksize]), Dt1(->top));
} /* Otherwise keep TOP for next instruction. */
}
static void jit_op_tailcall(jit_State *J, int func, int nargs)
{
int cltype;
if (!fhint_isset(J, NOCLOSE)) { /* May need to close open upvalues. */
dasm_put(Dst, 1820, (ptrdiff_t)(luaF_close));
}
cltype = jit_inline_call(J, func, nargs, -2);
if (cltype < 0) goto finish; /* Inlined? */
if (cltype == LUA_TFUNCTION) {
jit_deopt_target(J, nargs);
dasm_put(Dst, 2149, Dt2([func].tt));
} else {
dasm_put(Dst, 2158, Dt2([func].tt));
dasm_put(Dst, 2168);
if (func) {
dasm_put(Dst, 787, func*sizeof(TValue));
}
if (nargs >= 0) {
dasm_put(Dst, 791, Dt2([1+nargs]));
}
dasm_put(Dst, 2171, (ptrdiff_t)(J->nextins));
}
if (nargs >= 0) { /* Previous op was not open and did not set TOP. */
int i;
/* Relocate [BASE+func, BASE+func+nargs] -> [ci->func, ci->func+nargs]. */
/* TODO: loop for large nargs? */
if (!J->pt->is_vararg) { /* Fixarg function. */
dasm_put(Dst, 2241, Dt2([func].value));
for (i = 0; i < nargs; i++) {
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 821, Dt2([func+1+i].tt), Dt2([func+1+i].value), Dt2([i].tt), Dt2([i].value));
} else {
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));
}
}
dasm_put(Dst, 2264, Dt2([nargs]), sizeof(TValue), Dt1(->ci), Dt2(->value));
} else { /* Vararg function. */
dasm_put(Dst, 2278, Dt1(->ci), Dt2([func]), Dt4(->func), Dt3(->value), Dt2(->value));
for (i = 0; i < nargs; i++) {
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 2294, Dt3([i+1].tt), Dt3([i+1].value), Dt2([i+1].tt), Dt2([i+1].value));
} else {
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));
}
}
dasm_put(Dst, 2331, Dt2([1+nargs]), Dt2(->value));
}
} else { /* Previous op was open and set TOP. */
dasm_put(Dst, 332, Dt1(->ci));
if (func) {
dasm_put(Dst, 787, func*sizeof(TValue));
}
dasm_put(Dst, 2338, Dt4(->func), Dt4(->func), Dt2(->value));
}
dasm_put(Dst, 2230, sizeof(CallInfo), Dt5(->jit_gate));
finish:
J->combine++; /* Combine with following return instruction. */
}
/* ------------------------------------------------------------------------ */
static void jit_op_move(jit_State *J, int dest, int src)
{
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 821, Dt2([src].tt), Dt2([src].value), Dt2([dest].tt), Dt2([dest].value));
} else {
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));
}
}
static void jit_op_loadk(jit_State *J, int dest, int kidx)
{
const TValue *kk = &J->pt->k[kidx];
int rk = jit_return_k(J);
if (rk) dest = 0;
switch (ttype(kk)) {
case 0:
dasm_put(Dst, 2369, Dt2([dest].tt));
break;
case 1:
if (bvalue(kk)) { /* true */
dasm_put(Dst, 2377, Dt2([dest].value), Dt2([dest].tt));
} else { /* false */
dasm_put(Dst, 2389, Dt2([dest].value), Dt2([dest].tt));
}
break;
case 3: {
if ((&(kk)->value)->n == (lua_Number)0) {
dasm_put(Dst, 2404);
} else if ((&(kk)->value)->n == (lua_Number)1) {
dasm_put(Dst, 2408);
} else {
dasm_put(Dst, 2411, &(kk)->value);
}
dasm_put(Dst, 1306, Dt2([dest].value), Dt2([dest].tt));
break;
}
case 4:
dasm_put(Dst, 2415, Dt2([dest].value), (ptrdiff_t)(gcvalue(kk)), Dt2([dest].tt));
break;
default: lua_assert(0); break;
}
if (rk) {
dasm_put(Dst, 32);
}
}
static void jit_op_loadnil(jit_State *J, int first, int last)
{
int idx, num = last - first + 1;
int rk = jit_return_k(J);
dasm_put(Dst, 2125);
if (rk) {
dasm_put(Dst, 2427, Dt2([0].tt));
} else if (num <= 8) {
for (idx = first; idx <= last; idx++) {
dasm_put(Dst, 854, Dt2([idx].tt));
}
} else {
dasm_put(Dst, 2432, Dt2([first].tt), Dt2([last].tt), sizeof(TValue));
}
}
static void jit_op_loadbool(jit_State *J, int dest, int b, int dojump)
{
int rk = jit_return_k(J);
if (rk) dest = 0;
if (b) { /* true */
dasm_put(Dst, 2377, Dt2([dest].value), Dt2([dest].tt));
} else { /* false */
dasm_put(Dst, 2389, Dt2([dest].value), Dt2([dest].tt));
}
if (rk) {
dasm_put(Dst, 32);
} else if (dojump) {
const TValue *h = hint_getpc(J, COMBINE, J->nextpc);
if (!(ttisboolean(h) && bvalue(h) == 0)) { /* Avoid jmp around dead ins. */
dasm_put(Dst, 665, J->nextpc+1);
}
}
}
/* ------------------------------------------------------------------------ */
static void jit_op_getupval(jit_State *J, int dest, int uvidx)
{
if (!J->pt->is_vararg) {
dasm_put(Dst, 2241, Dt2([-1].value));
} else {
dasm_put(Dst, 2452, Dt1(->ci), Dt4(->func), Dt3(->value));
}
dasm_put(Dst, 2462, Dt5(->upvals[uvidx]), DtF(->v));
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 2469, Dt3([0].tt), Dt3([0].value), Dt2([dest].tt), Dt2([dest].value));
} else {
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));
}
}
static void jit_op_setupval(jit_State *J, int src, int uvidx)
{
if (!J->pt->is_vararg) {
dasm_put(Dst, 2241, Dt2([-1].value));
} else {
dasm_put(Dst, 2452, Dt1(->ci), Dt4(->func), Dt3(->value));
}
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]));
dasm_put(Dst, 2542, DtA(->gch.marked), WHITEBITS, DtF(->marked), bitmask(BLACKBIT));
}
/* ------------------------------------------------------------------------ */
/* Optimized table lookup routines. Enter via jsub, fallback to C. */
/* Fallback for GETTABLE_*. Temporary key is in L->env. */
static void jit_gettable_fb(lua_State *L, Table *t, StkId dest)
{
Table *mt = t->metatable;
const TValue *tm = luaH_getstr(mt, G(L)->tmname[TM_INDEX]);
if (ttisnil(tm)) { /* No __index method? */
mt->flags |= 1<<TM_INDEX; /* Cache this fact. */
setnilvalue(dest);
} else if (ttisfunction(tm)) { /* __index function? */
ptrdiff_t destr = savestack(L, dest);
setobj2s(L, L->top, tm);
sethvalue(L, L->top+1, t);
setobj2s(L, L->top+2, &L->env);
luaD_checkstack(L, 3);
L->top += 3;
luaD_call(L, L->top - 3, 1);
dest = restorestack(L, destr);
L->top--;
setobjs2s(L, dest, L->top);
} else { /* Let luaV_gettable() continue with the __index object. */
luaV_gettable(L, tm, &L->env, dest);
}
}
/* Fallback for SETTABLE_*STR. Temporary (string) key is in L->env. */
static void jit_settable_fb(lua_State *L, Table *t, StkId val)
{
Table *mt = t->metatable;
const TValue *tm = luaH_getstr(mt, G(L)->tmname[TM_NEWINDEX]);
if (ttisnil(tm)) { /* No __newindex method? */
mt->flags |= 1<<TM_NEWINDEX; /* Cache this fact. */
t->flags = 0; /* But need to clear the cache for the table itself. */
setobj2t(L, luaH_setstr(L, t, rawtsvalue(&L->env)), val);
luaC_barriert(L, t, val);
} else if (ttisfunction(tm)) { /* __newindex function? */
setobj2s(L, L->top, tm);
sethvalue(L, L->top+1, t);
setobj2s(L, L->top+2, &L->env);
setobj2s(L, L->top+3, val);
luaD_checkstack(L, 4);
L->top += 4;
luaD_call(L, L->top - 4, 0);
} else { /* Let luaV_settable() continue with the __newindex object. */
luaV_settable(L, tm, &L->env, val);
}
}
/* ------------------------------------------------------------------------ */
static void jit_op_newtable(jit_State *J, int dest, int lnarray, int lnhash)
{
dasm_put(Dst, 3158, luaO_fb2int(lnarray), luaO_fb2int(lnhash), (ptrdiff_t)(luaH_new), Dt2([dest].value), Dt2([dest].tt));
jit_checkGC(J);
}
static void jit_op_getglobal(jit_State *J, int dest, int kidx)
{
const TValue *kk = &J->pt->k[kidx];
jit_assert(ttisstring(kk));
dasm_put(Dst, 3184, (ptrdiff_t)(&kk->value.gc->ts));
if (dest) {
dasm_put(Dst, 787, dest*sizeof(TValue));
}
dasm_put(Dst, 3187);
}
static void jit_op_setglobal(jit_State *J, int rval, int kidx)
{
const TValue *kk = &J->pt->k[kidx];
jit_assert(ttisstring(kk));
dasm_put(Dst, 3184, (ptrdiff_t)(&kk->value.gc->ts));
if (rval) {
dasm_put(Dst, 787, rval*sizeof(TValue));
}
dasm_put(Dst, 3191);
}
enum { TKEY_KSTR = -2, TKEY_STR = -1, TKEY_ANY = 0 };
/* Optimize key lookup depending on consts or hints type. */
static int jit_keylookup(jit_State *J, int tab, int rkey)
{
const TValue *tabt = hint_get(J, TYPE);
const TValue *key;
if (!ttistable(tabt)) return TKEY_ANY; /* Not a table? Use fallback. */
key = ISK(rkey) ? &J->pt->k[INDEXK(rkey)] : hint_get(J, TYPEKEY);
if (ttisstring(key)) { /* String key? */
if (ISK(rkey)) {
dasm_put(Dst, 3195, Dt2([tab]), (ptrdiff_t)(&key->value.gc->ts));
return TKEY_KSTR; /* Const string key. */
} else {
dasm_put(Dst, 3201, Dt2([tab]), Dt2([rkey]));
return TKEY_STR; /* Var string key. */
}
} else if (ttisnumber(key)) { /* Number key? */
lua_Number n = nvalue(key);
int k;
lua_number2int(k, n);
if (!(k >= 1 && k < (1 << 26) && (lua_Number)k == n))
return TKEY_ANY; /* Not a proper array key? Use fallback. */
if (ISK(rkey)) {
dasm_put(Dst, 3208, Dt2([tab].tt), Dt2([tab].value), k, DtC(->array), DtC(->sizearray));
return k; /* Const array key (>= 1). */
} else {
dasm_put(Dst, 3232, Dt2([tab].tt), Dt2([rkey].tt));
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 3250, Dt2([rkey]), Dt2([tab].value));
} else {
dasm_put(Dst, 3283, Dt2([rkey].value));
if (J->flags & JIT_F_CPU_CMOV) {
dasm_put(Dst, 3293);
} else {
dasm_put(Dst, 3298);
}
dasm_put(Dst, 3304, Dt2([tab].value));
}
dasm_put(Dst, 3320, DtC(->sizearray), DtC(->array));
return 1; /* Variable array key. */
}
}
return TKEY_ANY; /* Use fallback. */
}
static void jit_op_gettable(jit_State *J, int dest, int tab, int rkey)
{
int k = jit_keylookup(J, tab, rkey);
switch (k) {
case TKEY_KSTR: /* Const string key. */
if (dest) {
dasm_put(Dst, 787, dest*sizeof(TValue));
}
dasm_put(Dst, 3334);
break;
case TKEY_STR: /* Variable string key. */
if (dest) {
dasm_put(Dst, 787, dest*sizeof(TValue));
}
dasm_put(Dst, 3338);
break;
case TKEY_ANY: /* Generic gettable fallback. */
if (ISK(rkey)) {
dasm_put(Dst, 3342, (ptrdiff_t)(&J->pt->k[INDEXK(rkey)]));
} else {
dasm_put(Dst, 3204, Dt2([rkey]));
}
dasm_put(Dst, 3345, Dt2([tab]));
if (dest) {
dasm_put(Dst, 787, dest*sizeof(TValue));
}
dasm_put(Dst, 3349, Dt1(->savedpc), (ptrdiff_t)(J->nextins), (ptrdiff_t)(luaV_gettable), Dt1(->base));
break;
default: /* Array key. */
dasm_put(Dst, 3366, Dt7([k-1].tt));
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 2674, Dt7([k-1].value), Dt2([dest].value));
} else {
dasm_put(Dst, 3378, Dt7([k-1].value), Dt7([k-1].value.na[1]), Dt2([dest].value), Dt2([dest].value.na[1]));
}
dasm_put(Dst, 3391, Dt2([dest].tt));
dasm_put(Dst, 2168);
if (ISK(rkey)) {
dasm_put(Dst, 3398);
} else {
dasm_put(Dst, 3402);
}
dasm_put(Dst, 3406, DtC(->metatable), DtC(->flags), 1<<TM_INDEX, (ptrdiff_t)(J->nextins));
break;
}
}
static void jit_op_settable(jit_State *J, int tab, int rkey, int rval)
{
const TValue *val = ISK(rval) ? &J->pt->k[INDEXK(rval)] : NULL;
int k = jit_keylookup(J, tab, rkey);
switch (k) {
case TKEY_KSTR: /* Const string key. */
case TKEY_STR: /* Variable string key. */
if (ISK(rval)) {
dasm_put(Dst, 3492, (ptrdiff_t)(val));
} else {
if (rval) {
dasm_put(Dst, 787, rval*sizeof(TValue));
}
}
if (k == TKEY_KSTR) {
dasm_put(Dst, 3495);
} else {
dasm_put(Dst, 3499);
}
break;
case TKEY_ANY: /* Generic settable fallback. */
if (ISK(rkey)) {
dasm_put(Dst, 3342, (ptrdiff_t)(&J->pt->k[INDEXK(rkey)]));
} else {
dasm_put(Dst, 3204, Dt2([rkey]));
}
if (ISK(rval)) {
dasm_put(Dst, 3184, (ptrdiff_t)(val));
} else {
dasm_put(Dst, 3345, Dt2([rval]));
}
if (tab) {
dasm_put(Dst, 787, tab*sizeof(TValue));
}
dasm_put(Dst, 3503, Dt1(->savedpc), (ptrdiff_t)(J->nextins), (ptrdiff_t)(luaV_settable), Dt1(->base));
break;
default: /* Array key. */
dasm_put(Dst, 3520, Dt7([k-1].tt));
dasm_put(Dst, 2168);
if (ISK(rkey)) {
dasm_put(Dst, 3534);
} else {
dasm_put(Dst, 3538);
}
dasm_put(Dst, 3406, DtC(->metatable), DtC(->flags), 1<<TM_NEWINDEX, (ptrdiff_t)(J->nextins));
if (!ISK(rval) || iscollectable(val)) {
dasm_put(Dst, 3542, DtC(->marked), bitmask(BLACKBIT));
dasm_put(Dst, 3555);
}
if (ISK(rval)) {
switch (ttype(val)) {
case 0:
dasm_put(Dst, 3565, Dt7([k-1].tt));
break;
case 1:
if (bvalue(val)) { /* true */
dasm_put(Dst, 3573, Dt7([k-1].value), Dt7([k-1].tt));
} else { /* false */
dasm_put(Dst, 3585, Dt7([k-1].value), Dt7([k-1].tt));
}
break;
case 3: {
if ((&(val)->value)->n == (lua_Number)0) {
dasm_put(Dst, 2404);
} else if ((&(val)->value)->n == (lua_Number)1) {
dasm_put(Dst, 2408);
} else {
dasm_put(Dst, 2411, &(val)->value);
}
dasm_put(Dst, 3600, Dt7([k-1].value), Dt7([k-1].tt));
break;
}
case 4:
dasm_put(Dst, 3611, Dt7([k-1].value), (ptrdiff_t)(gcvalue(val)), Dt7([k-1].tt));
break;
default: lua_assert(0); break;
}
} else {
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 2947, Dt2([rval].tt), Dt2([rval].value), Dt7([k-1].tt), Dt7([k-1].value));
} else {
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));
}
}
break;
}
}
static void jit_op_self(jit_State *J, int dest, int tab, int rkey)
{
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 821, Dt2([tab].tt), Dt2([tab].value), Dt2([dest+1].tt), Dt2([dest+1].value));
} else {
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));
}
jit_op_gettable(J, dest, tab, rkey);
}
/* ------------------------------------------------------------------------ */
static void jit_op_setlist(jit_State *J, int ra, int num, int batch)
{
if (batch == 0) { batch = (int)(*J->nextins); J->combine++; }
batch = (batch-1)*LFIELDS_PER_FLUSH;
if (num == 0) { /* Previous op was open and set TOP: {f()} or {...}. */
dasm_put(Dst, 3685, Dt1(->env.value), Dt2([ra+1]), Dt2([ra].value));
if (batch > 0) {
dasm_put(Dst, 3709, batch);
}
dasm_put(Dst, 3713, DtC(->sizearray), (ptrdiff_t)(luaH_resizearray), DtC(->marked), bitmask(BLACKBIT), DtC(->array), Dt1(->env.value));
dasm_put(Dst, 3752);
} else { /* Set fixed number of args. */
dasm_put(Dst, 3762, Dt2([ra].value), DtC(->sizearray), batch+num, DtC(->marked), bitmask(BLACKBIT), DtC(->array), Dt2([ra+1+num]));
dasm_put(Dst, 3792, batch+num, (ptrdiff_t)(luaH_resizearray));
}
if (batch > 0) {
dasm_put(Dst, 3821, batch*sizeof(TValue));
}
dasm_put(Dst, 3825, Dt2([ra+1]));
if (num == 0) { /* Previous op was open. Restore L->top. */
dasm_put(Dst, 1445, Dt2([J->pt->maxstacksize]), Dt1(->top));
}
}
/* ------------------------------------------------------------------------ */
static void jit_op_arith(jit_State *J, int dest, int rkb, int rkc, int ev)
{
const TValue *kkb = ISK(rkb) ? &J->pt->k[INDEXK(rkb)] : NULL;
const TValue *kkc = ISK(rkc) ? &J->pt->k[INDEXK(rkc)] : NULL;
const Value *kval;
int idx, rev;
int target = (ev == TM_LT || ev == TM_LE) ? jit_jmp_target(J) : 0;
int hastail = 0;
/* The bytecode compiler already folds constants except for: k/0, k%0, */
/* NaN results, k1<k2, k1<=k2. No point in optimizing these cases. */
if (ISK(rkb&rkc)) goto fallback;
/* Avoid optimization when non-numeric constants are present. */
if (kkb ? !ttisnumber(kkb) : (kkc && !ttisnumber(kkc))) goto fallback;
/* The TYPE hint selects numeric inlining and/or fallback encoding. */
switch (ttype(hint_get(J, TYPE))) {
case LUA_TNIL: hastail = 1; break; /* No hint: numeric + fallback. */
case LUA_TNUMBER: break; /* Numbers: numeric + deoptimization. */
default: goto fallback; /* Mixed/other types: fallback only. */
}
/* The checks above ensure: at most one of the operands is a constant. */
/* Reverse operation and swap operands so the 2nd operand is a variable. */
if (kkc) { kval = &kkc->value; idx = rkb; rev = 1; }
else { kval = kkb ? &kkb->value : NULL; idx = rkc; rev = 0; }
/* Special handling for some operators. */
switch (ev) {
case TM_MOD:
/* Check for modulo with positive numbers, so we can use fprem. */
if (kval) {
if (kval->na[1] < 0) { hastail = 0; goto fallback; } /* x%-k, -k%x */
dasm_put(Dst, 3850, Dt2([idx].tt), Dt2([idx].value.na[1]));
if (kkb) {
dasm_put(Dst, 3868, Dt2([rkc].value), kval);
} else {
dasm_put(Dst, 3875, kval, Dt2([rkb].value));
}
} else {
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));
}
dasm_put(Dst, 1387);
goto fpstore;
case TM_POW:
if (hastail || !kval) break; /* Avoid this if not optimizing. */
if (rev) { /* x^k for k > 0, k integer. */
lua_Number n = kval->n;
int k;
lua_number2int(k, n);
/* All positive integers would work. But need to limit code explosion. */
if (k > 0 && k <= 65536 && (lua_Number)k == n) {
dasm_put(Dst, 3916, Dt2([idx].tt), Dt2([idx]));
for (; (k & 1) == 0; k >>= 1) { /* Handle leading zeroes (2^k). */
dasm_put(Dst, 3928);
}
if ((k >>= 1) != 0) { /* Handle trailing bits. */
dasm_put(Dst, 3931);
for (; k != 1; k >>= 1) {
if (k & 1) {
dasm_put(Dst, 3936);
}
dasm_put(Dst, 3928);
}
dasm_put(Dst, 3939);
}
goto fpstore;
}
} else if (kval->n > (lua_Number)0) { /* k^x for k > 0. */
int log2kval[3]; /* Enough storage for a tword (80 bits). */
log2kval[2] = 0; /* Avoid leaking garbage. */
/* Double precision log2(k) doesn't cut it (3^x != 3 for x = 1). */
((void (*)(int *, double))J->jsub[JSUB_LOG2_TWORD])(log2kval, kval->n);
dasm_put(Dst, 3942, log2kval[0], log2kval[1], log2kval[2], Dt2([idx].tt), Dt2([idx].value));
goto fpstore;
}
break;
}
/* Check number type and load 1st operand. */
if (kval) {
dasm_put(Dst, 4013, Dt2([idx].tt));
if ((kval)->n == (lua_Number)0) {
dasm_put(Dst, 2404);
} else if ((kval)->n == (lua_Number)1) {
dasm_put(Dst, 2408);
} else {
dasm_put(Dst, 2411, kval);
}
} else {
if (rkb == rkc) {
dasm_put(Dst, 4022, Dt2([rkb].tt));
} else {
dasm_put(Dst, 4027, Dt2([rkb].tt), Dt2([rkc].tt));
}
dasm_put(Dst, 3920, Dt2([rkb].value));
}
/* Encode arithmetic operation with 2nd operand. */
switch ((ev<<1)+rev) {
case TM_ADD<<1: case (TM_ADD<<1)+1:
if (rkb == rkc) {
dasm_put(Dst, 4041);
} else {
dasm_put(Dst, 4044, Dt2([idx].value));
}
break;
case TM_SUB<<1:
dasm_put(Dst, 4048, Dt2([idx].value));
break;
case (TM_SUB<<1)+1:
dasm_put(Dst, 4052, Dt2([idx].value));
break;
case TM_MUL<<1: case (TM_MUL<<1)+1:
if (rkb == rkc) {
dasm_put(Dst, 3928);
} else {
dasm_put(Dst, 4056, Dt2([idx].value));
}
break;
case TM_DIV<<1:
dasm_put(Dst, 4060, Dt2([idx].value));
break;
case (TM_DIV<<1)+1:
dasm_put(Dst, 4064, Dt2([idx].value));
break;
case TM_POW<<1:
dasm_put(Dst, 4068, Dt2([idx].value), (ptrdiff_t)(pow));
break;
case (TM_POW<<1)+1:
dasm_put(Dst, 4088, Dt2([idx].value), (ptrdiff_t)(pow));
break;
case TM_UNM<<1: case (TM_UNM<<1)+1:
dasm_put(Dst, 4108);
break;
default: /* TM_LT or TM_LE. */
dasm_put(Dst, 1325, Dt2([idx].value));
if (J->flags & JIT_F_CPU_CMOV) {
dasm_put(Dst, 3293);
} else {
dasm_put(Dst, 3298);
}
dasm_put(Dst, 4111, dest?(J->nextpc+1):target);
jit_assert(dest == 0 || dest == 1); /* Really cond. */
switch (((rev^dest)<<1)+(dest^(ev == TM_LT))) {
case 0:
dasm_put(Dst, 4115, target);
break;
case 1:
dasm_put(Dst, 4119, target);
break;
case 2:
dasm_put(Dst, 4123, target);
break;
case 3:
dasm_put(Dst, 4127, target);
break;
}
goto skipstore;
}
fpstore:
/* Store result and set result type (if necessary). */
dasm_put(Dst, 933, Dt2([dest].value));
if (dest != rkb && dest != rkc) {
dasm_put(Dst, 1309, Dt2([dest].tt));
}
skipstore:
if (!hastail) {
jit_deopt_target(J, 0);
return;
}
dasm_put(Dst, 1626);
dasm_put(Dst, 1541);
fallback:
/* Generic fallback for arithmetic ops. */
if (kkb) {
dasm_put(Dst, 3342, (ptrdiff_t)(kkb));
} else {
dasm_put(Dst, 3204, Dt2([rkb]));
}
if (kkc) {
dasm_put(Dst, 3184, (ptrdiff_t)(kkc));
} else {
dasm_put(Dst, 3345, Dt2([rkc]));
}
if (target) { /* TM_LT or TM_LE. */
dasm_put(Dst, 4131, Dt1(->savedpc), (ptrdiff_t)((J->nextins+1)), (ptrdiff_t)(ev==TM_LT?luaV_lessthan:luaV_lessequal), Dt1(->base));
if (dest) { /* cond */
dasm_put(Dst, 1479, target);
} else {
dasm_put(Dst, 4154, target);
}
} else {
if (dest) {
dasm_put(Dst, 787, dest*sizeof(TValue));
}
dasm_put(Dst, 4158, Dt1(->savedpc), (ptrdiff_t)(J->nextins), ev, (ptrdiff_t)(luaV_arith), Dt1(->base));
}
if (hastail) {
dasm_put(Dst, 1644);
}
}
/* ------------------------------------------------------------------------ */
static void jit_fallback_len(lua_State *L, StkId ra, const TValue *rb)
{
switch (ttype(rb)) {
case LUA_TTABLE:
setnvalue(ra, cast_num(luaH_getn(hvalue(rb))));
break;
case LUA_TSTRING:
setnvalue(ra, cast_num(tsvalue(rb)->len));
break;
default: {
const TValue *tm = luaT_gettmbyobj(L, rb, TM_LEN);
if (ttisfunction(tm)) {
ptrdiff_t rasave = savestack(L, ra);
setobj2s(L, L->top, tm);
setobj2s(L, L->top+1, rb);
luaD_checkstack(L, 2);
L->top += 2;
luaD_call(L, L->top - 2, 1);
ra = restorestack(L, rasave);
L->top--;
setobjs2s(L, ra, L->top);
} else {
luaG_typeerror(L, rb, "get length of");
}
break;
}
}
}
static void jit_op_len(jit_State *J, int dest, int rb)
{
switch (ttype(hint_get(J, TYPE))) {
case LUA_TTABLE:
jit_deopt_target(J, 0);
dasm_put(Dst, 4179, Dt2([rb].tt), Dt2([rb].value), (ptrdiff_t)(luaH_getn), Dt2([dest].value), Dt2([dest].tt));
break;
case LUA_TSTRING:
jit_deopt_target(J, 0);
dasm_put(Dst, 4212, Dt2([rb].tt), Dt2([rb].value), DtB(->tsv.len), Dt2([dest].value), Dt2([dest].tt));
break;
default:
dasm_put(Dst, 3204, Dt2([rb]));
if (dest) {
dasm_put(Dst, 787, dest*sizeof(TValue));
}
dasm_put(Dst, 4237, Dt1(->savedpc), (ptrdiff_t)(J->nextins), (ptrdiff_t)(jit_fallback_len), Dt1(->base));
break;
}
}
static void jit_op_not(jit_State *J, int dest, int rb)
{
/* l_isfalse() without a branch -- truly devious. */
/* ((value & tt) | (tt>>1)) is only zero for nil/false. */
/* Assumes: LUA_TNIL == 0, LUA_TBOOLEAN == 1, bvalue() == 0/1 */
dasm_put(Dst, 4258, Dt2([rb].tt), Dt2([rb].value), Dt2([dest].tt), Dt2([dest].value));
}
/* ------------------------------------------------------------------------ */
static void jit_op_concat(jit_State *J, int dest, int first, int last)
{
int num = last-first+1;
if (num == 2 && ttisstring(hint_get(J, TYPE))) { /* Optimize common case. */
if (first) {
dasm_put(Dst, 787, first*sizeof(TValue));
}
dasm_put(Dst, 4288, Dt2([dest].value), Dt2([dest].tt));
} else { /* Generic fallback. */
dasm_put(Dst, 4302, Dt1(->savedpc), (ptrdiff_t)(J->nextins), num, last, (ptrdiff_t)(luaV_concat), Dt1(->base));
if (dest != first) {
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 821, Dt2([first].tt), Dt2([first].value), Dt2([dest].tt), Dt2([dest].value));
} else {
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));
}
}
}
jit_checkGC(J); /* Always do this, even for the optimized variant. */
}
/* ------------------------------------------------------------------------ */
static void jit_op_eq(jit_State *J, int cond, int rkb, int rkc)
{
int target = jit_jmp_target(J);
int condtarget = cond ? (J->nextpc+1) : target;
jit_assert(cond == 0 || cond == 1);
/* Comparison of two constants. Evaluate at compile time. */
if (ISK(rkb&rkc)) {
if ((rkb == rkc) == cond) { /* Constants are already unique. */
dasm_put(Dst, 665, target);
}
return;
}
if (ISK(rkb|rkc)) { /* Compare a variable and a constant. */
const TValue *kk;
if (ISK(rkb)) { int t = rkc; rkc = rkb; rkb = t; } /* rkc holds const. */
kk = &J->pt->k[INDEXK(rkc)];
switch (ttype(kk)) {
case LUA_TNIL:
dasm_put(Dst, 4493, Dt2([rkb].tt));
break;
case LUA_TBOOLEAN:
if (bvalue(kk)) {
dasm_put(Dst, 4498, Dt2([rkb].tt), Dt2([rkb].value));
} else {
dasm_put(Dst, 4509, Dt2([rkb].tt), Dt2([rkb].value));
}
break;
case LUA_TNUMBER:
dasm_put(Dst, 4517, Dt2([rkb].tt), condtarget, Dt2([rkb].value), &kk->value);
if (J->flags & JIT_F_CPU_CMOV) {
dasm_put(Dst, 3293);
} else {
dasm_put(Dst, 3298);
}
dasm_put(Dst, 4111, condtarget);
break;
case LUA_TSTRING:
dasm_put(Dst, 4531, Dt2([rkb].tt), condtarget, Dt2([rkb].value), (ptrdiff_t)(rawtsvalue(kk)));
break;
default: jit_assert(0); break;
}
} else { /* Compare two variables. */
dasm_put(Dst, 4543, Dt2([rkb].tt), Dt2([rkc].tt), condtarget);
switch (ttype(hint_get(J, TYPE))) {
case LUA_TNUMBER:
jit_deopt_target(J, 0);
dasm_put(Dst, 4553, Dt2([rkb].value), Dt2([rkc].value));
if (J->flags & JIT_F_CPU_CMOV) {
dasm_put(Dst, 3293);
} else {
dasm_put(Dst, 3298);
}
dasm_put(Dst, 4111, condtarget);
break;
case LUA_TSTRING:
jit_deopt_target(J, 0);
dasm_put(Dst, 4568, Dt2([rkb].value), Dt2([rkc].value));
break;
default:
dasm_put(Dst, 4583, Dt2([rkc]), Dt2([rkb]), Dt1(->savedpc), (ptrdiff_t)(J->nextins), (ptrdiff_t)(luaV_equalval), Dt1(->base));
break;
}
}
if (cond) {
dasm_put(Dst, 4154, target);
} else {
dasm_put(Dst, 1479, target);
}
}
/* ------------------------------------------------------------------------ */
static void jit_op_test(jit_State *J, int cond, int dest, int src)
{
int target = jit_jmp_target(J);
/* l_isfalse() without a branch. But this time preserve tt/value. */
/* (((value & tt) * 2 + tt) >> 1) is only zero for nil/false. */
/* Assumes: 3*tt < 2^32, LUA_TNIL == 0, LUA_TBOOLEAN == 1, bvalue() == 0/1 */
dasm_put(Dst, 4611, Dt2([src].tt), Dt2([src].value));
/* Check if we can omit the stack copy. */
if (dest == src) { /* Yes, invert branch condition. */
if (cond) {
dasm_put(Dst, 1479, target);
} else {
dasm_put(Dst, 4154, target);
}
} else { /* No, jump around copy code. */
if (cond) {
dasm_put(Dst, 4627);
} else {
dasm_put(Dst, 4632);
}
dasm_put(Dst, 4637, Dt2([src].value.na[1]), Dt2([dest].tt), Dt2([dest].value), Dt2([dest].value.na[1]), target);
}
}
static void jit_op_jmp(jit_State *J, int target)
{
dasm_put(Dst, 665, target);
}
/* ------------------------------------------------------------------------ */
enum { FOR_IDX, FOR_LIM, FOR_STP, FOR_EXT };
static const char *const jit_for_coerce_error[] = {
LUA_QL("for") " initial value must be a number",
LUA_QL("for") " limit must be a number",
LUA_QL("for") " step must be a number",
};
/* Try to coerce for slots with strings to numbers in place or complain. */
static void jit_for_coerce(lua_State *L, TValue *o)
{
int i;
for (i = FOR_IDX; i <= FOR_STP; i++, o++) {
lua_Number num;
if (ttisnumber(o)) continue;
if (ttisstring(o) && luaO_str2d(svalue(o), &num)) {
setnvalue(o, num);
} else {
luaG_runerror(L, jit_for_coerce_error[i]);
}
}
}
static void jit_op_forprep(jit_State *J, int ra, int target)
{
const TValue *step = hint_get(J, FOR_STEP_K);
if (ttisnumber(step)) {
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));
if (J->flags & JIT_F_CPU_CMOV) {
dasm_put(Dst, 3293);
} else {
dasm_put(Dst, 3298);
}
dasm_put(Dst, 1309, Dt2([ra+FOR_EXT].tt));
if (nvalue(step) < (lua_Number)0) {
dasm_put(Dst, 4115, target+1);
} else {
dasm_put(Dst, 4123, target+1);
}
} else {
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));
if (J->flags & JIT_F_CPU_CMOV) {
dasm_put(Dst, 3293);
} else {
dasm_put(Dst, 3298);
}
dasm_put(Dst, 4732, Dt2([ra+FOR_EXT].tt), target+1);
}
if (ttisnumber(hint_get(J, TYPE))) {
jit_deopt_target(J, 0);
} else {
dasm_put(Dst, 679);
dasm_put(Dst, 4743, Dt2([ra]), Dt1(->savedpc), (ptrdiff_t)(J->nextins), (ptrdiff_t)(jit_for_coerce));
}
}
static void jit_op_forloop(jit_State *J, int ra, int target)
{
const TValue *step = hint_getpc(J, FOR_STEP_K, target-1);
if (ttisnumber(step)) {
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));
if (J->flags & JIT_F_CPU_CMOV) {
dasm_put(Dst, 3293);
} else {
dasm_put(Dst, 3298);
}
if (nvalue(step) < (lua_Number)0) {
dasm_put(Dst, 4127, target);
} else {
dasm_put(Dst, 4119, target);
}
} else {
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));
if (J->flags & JIT_F_CPU_CMOV) {
dasm_put(Dst, 3293);
} else {
dasm_put(Dst, 3298);
}
dasm_put(Dst, 4127, target);
}
}
/* ------------------------------------------------------------------------ */
static void jit_op_tforloop(jit_State *J, int ra, int nresults)
{
int target = jit_jmp_target(J);
int i;
if (jit_inline_tforloop(J, ra, nresults, target)) return; /* Inlined? */
for (i = 2; i >= 0; i--) {
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 821, Dt2([ra+i].tt), Dt2([ra+i].value), Dt2([ra+i+3].tt), Dt2([ra+i+3].value));
} else {
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));
}
}
jit_op_call(J, ra+3, 2, nresults);
dasm_put(Dst, 4827, Dt2([ra+3].tt));
if (J->flags & JIT_F_CPU_SSE2) {
dasm_put(Dst, 821, Dt2([ra+3].tt), Dt2([ra+3].value), Dt2([ra+2].tt), Dt2([ra+2].value));
} else {
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));
}
dasm_put(Dst, 4649, target);
}
/* ------------------------------------------------------------------------ */
static void jit_op_close(jit_State *J, int ra)
{
if (ra) {
dasm_put(Dst, 4836, Dt2([ra]));
} else {
dasm_put(Dst, 4844);
}
dasm_put(Dst, 1734, (ptrdiff_t)(luaF_close));
}
static void jit_op_closure(jit_State *J, int dest, int ptidx)
{
Proto *npt = J->pt->p[ptidx];
int nup = npt->nups;
if (!J->pt->is_vararg) {
dasm_put(Dst, 4849, Dt2([-1].value));
} else {
dasm_put(Dst, 4853, Dt1(->ci), Dt4(->func), Dt3(->value));
}
dasm_put(Dst, 4863, Dt5(->env), nup, (ptrdiff_t)(luaF_newLclosure), Dt5(->p), (ptrdiff_t)(npt), Dt2([dest].value), Dt2([dest].tt));
/* Process pseudo-instructions for upvalues. */
if (nup > 0) {
const Instruction *uvcode = J->nextins;
int i, uvuv;
/* Check which of the two types we need. */
for (i = 0, uvuv = 0; i < nup; i++)
if (GET_OPCODE(uvcode[i]) == OP_GETUPVAL) uvuv++;
/* Copy upvalues from parent first. */
if (uvuv) {
/* LCL:eax->upvals (new closure) <-- LCL:edi->upvals (own closure). */
for (i = 0; i < nup; i++)
if (GET_OPCODE(uvcode[i]) == OP_GETUPVAL) {
dasm_put(Dst, 4895, Dt5(->upvals[GETARG_B(uvcode[i])]), Dt5(->upvals[i]));
}
}
/* Next find or create upvalues for our own stack slots. */
if (nup > uvuv) {
dasm_put(Dst, 909);
/* LCL:edi->upvals (new closure) <-- upvalue for stack slot. */
for (i = 0; i < nup; i++)
if (GET_OPCODE(uvcode[i]) == OP_MOVE) {
int rb = GETARG_B(uvcode[i]);
if (rb) {
dasm_put(Dst, 4836, Dt2([rb]));
} else {
dasm_put(Dst, 4844);
}
dasm_put(Dst, 4902, (ptrdiff_t)(luaF_findupval), Dt5(->upvals[i]));
}
}
J->combine += nup; /* Skip pseudo-instructions. */
}
jit_checkGC(J);
}
/* ------------------------------------------------------------------------ */
static void jit_op_vararg(jit_State *J, int dest, int num)
{
if (num < 0) { /* Copy all varargs. */
dasm_put(Dst, 4911, Dt1(->ci), Dt4(->func), (1+J->pt->numparams)*sizeof(TValue), J->pt->maxstacksize*sizeof(TValue), Dt1(->stack_last), Dt2([dest]));
dasm_put(Dst, 4967, Dt1(->top), (ptrdiff_t)(luaD_growstack), Dt1(->base));
} else if (num > 0) { /* Copy limited number of varargs. */
dasm_put(Dst, 4993, Dt1(->ci), Dt4(->func), (1+J->pt->numparams)*sizeof(TValue), Dt2([dest]), Dt2([dest+num]), Dt3([0].tt), sizeof(TValue));
}
}
/* ------------------------------------------------------------------------ */
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