diff options
Diffstat (limited to 'libraries/luajit-2.0/src/lj_iropt.h')
-rw-r--r-- | libraries/luajit-2.0/src/lj_iropt.h | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/libraries/luajit-2.0/src/lj_iropt.h b/libraries/luajit-2.0/src/lj_iropt.h deleted file mode 100644 index 3059fb9..0000000 --- a/libraries/luajit-2.0/src/lj_iropt.h +++ /dev/null | |||
@@ -1,159 +0,0 @@ | |||
1 | /* | ||
2 | ** Common header for IR emitter and optimizations. | ||
3 | ** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h | ||
4 | */ | ||
5 | |||
6 | #ifndef _LJ_IROPT_H | ||
7 | #define _LJ_IROPT_H | ||
8 | |||
9 | #include <stdarg.h> | ||
10 | |||
11 | #include "lj_obj.h" | ||
12 | #include "lj_jit.h" | ||
13 | |||
14 | #if LJ_HASJIT | ||
15 | /* IR emitter. */ | ||
16 | LJ_FUNC void LJ_FASTCALL lj_ir_growtop(jit_State *J); | ||
17 | LJ_FUNC TRef LJ_FASTCALL lj_ir_emit(jit_State *J); | ||
18 | |||
19 | /* Save current IR in J->fold.ins, but do not emit it (yet). */ | ||
20 | static LJ_AINLINE void lj_ir_set_(jit_State *J, uint16_t ot, IRRef1 a, IRRef1 b) | ||
21 | { | ||
22 | J->fold.ins.ot = ot; J->fold.ins.op1 = a; J->fold.ins.op2 = b; | ||
23 | } | ||
24 | |||
25 | #define lj_ir_set(J, ot, a, b) \ | ||
26 | lj_ir_set_(J, (uint16_t)(ot), (IRRef1)(a), (IRRef1)(b)) | ||
27 | |||
28 | /* Get ref of next IR instruction and optionally grow IR. | ||
29 | ** Note: this may invalidate all IRIns*! | ||
30 | */ | ||
31 | static LJ_AINLINE IRRef lj_ir_nextins(jit_State *J) | ||
32 | { | ||
33 | IRRef ref = J->cur.nins; | ||
34 | if (LJ_UNLIKELY(ref >= J->irtoplim)) lj_ir_growtop(J); | ||
35 | J->cur.nins = ref + 1; | ||
36 | return ref; | ||
37 | } | ||
38 | |||
39 | /* Interning of constants. */ | ||
40 | LJ_FUNC TRef LJ_FASTCALL lj_ir_kint(jit_State *J, int32_t k); | ||
41 | LJ_FUNC void lj_ir_k64_freeall(jit_State *J); | ||
42 | LJ_FUNC TRef lj_ir_k64(jit_State *J, IROp op, cTValue *tv); | ||
43 | LJ_FUNC cTValue *lj_ir_k64_find(jit_State *J, uint64_t u64); | ||
44 | LJ_FUNC TRef lj_ir_knum_u64(jit_State *J, uint64_t u64); | ||
45 | LJ_FUNC TRef lj_ir_knumint(jit_State *J, lua_Number n); | ||
46 | LJ_FUNC TRef lj_ir_kint64(jit_State *J, uint64_t u64); | ||
47 | LJ_FUNC TRef lj_ir_kgc(jit_State *J, GCobj *o, IRType t); | ||
48 | LJ_FUNC TRef lj_ir_kptr_(jit_State *J, IROp op, void *ptr); | ||
49 | LJ_FUNC TRef lj_ir_knull(jit_State *J, IRType t); | ||
50 | LJ_FUNC TRef lj_ir_kslot(jit_State *J, TRef key, IRRef slot); | ||
51 | |||
52 | #if LJ_64 | ||
53 | #define lj_ir_kintp(J, k) lj_ir_kint64(J, (uint64_t)(k)) | ||
54 | #else | ||
55 | #define lj_ir_kintp(J, k) lj_ir_kint(J, (int32_t)(k)) | ||
56 | #endif | ||
57 | |||
58 | static LJ_AINLINE TRef lj_ir_knum(jit_State *J, lua_Number n) | ||
59 | { | ||
60 | TValue tv; | ||
61 | tv.n = n; | ||
62 | return lj_ir_knum_u64(J, tv.u64); | ||
63 | } | ||
64 | |||
65 | #define lj_ir_kstr(J, str) lj_ir_kgc(J, obj2gco((str)), IRT_STR) | ||
66 | #define lj_ir_ktab(J, tab) lj_ir_kgc(J, obj2gco((tab)), IRT_TAB) | ||
67 | #define lj_ir_kfunc(J, func) lj_ir_kgc(J, obj2gco((func)), IRT_FUNC) | ||
68 | #define lj_ir_kptr(J, ptr) lj_ir_kptr_(J, IR_KPTR, (ptr)) | ||
69 | #define lj_ir_kkptr(J, ptr) lj_ir_kptr_(J, IR_KKPTR, (ptr)) | ||
70 | |||
71 | /* Special FP constants. */ | ||
72 | #define lj_ir_knum_zero(J) lj_ir_knum_u64(J, U64x(00000000,00000000)) | ||
73 | #define lj_ir_knum_one(J) lj_ir_knum_u64(J, U64x(3ff00000,00000000)) | ||
74 | #define lj_ir_knum_tobit(J) lj_ir_knum_u64(J, U64x(43380000,00000000)) | ||
75 | |||
76 | /* Special 128 bit SIMD constants. */ | ||
77 | #define lj_ir_knum_abs(J) lj_ir_k64(J, IR_KNUM, LJ_KSIMD(J, LJ_KSIMD_ABS)) | ||
78 | #define lj_ir_knum_neg(J) lj_ir_k64(J, IR_KNUM, LJ_KSIMD(J, LJ_KSIMD_NEG)) | ||
79 | |||
80 | /* Access to constants. */ | ||
81 | LJ_FUNC void lj_ir_kvalue(lua_State *L, TValue *tv, const IRIns *ir); | ||
82 | |||
83 | /* Convert IR operand types. */ | ||
84 | LJ_FUNC TRef LJ_FASTCALL lj_ir_tonumber(jit_State *J, TRef tr); | ||
85 | LJ_FUNC TRef LJ_FASTCALL lj_ir_tonum(jit_State *J, TRef tr); | ||
86 | LJ_FUNC TRef LJ_FASTCALL lj_ir_tostr(jit_State *J, TRef tr); | ||
87 | |||
88 | /* Miscellaneous IR ops. */ | ||
89 | LJ_FUNC int lj_ir_numcmp(lua_Number a, lua_Number b, IROp op); | ||
90 | LJ_FUNC int lj_ir_strcmp(GCstr *a, GCstr *b, IROp op); | ||
91 | LJ_FUNC void lj_ir_rollback(jit_State *J, IRRef ref); | ||
92 | |||
93 | /* Emit IR instructions with on-the-fly optimizations. */ | ||
94 | LJ_FUNC TRef LJ_FASTCALL lj_opt_fold(jit_State *J); | ||
95 | LJ_FUNC TRef LJ_FASTCALL lj_opt_cse(jit_State *J); | ||
96 | LJ_FUNC TRef LJ_FASTCALL lj_opt_cselim(jit_State *J, IRRef lim); | ||
97 | |||
98 | /* Special return values for the fold functions. */ | ||
99 | enum { | ||
100 | NEXTFOLD, /* Couldn't fold, pass on. */ | ||
101 | RETRYFOLD, /* Retry fold with modified fins. */ | ||
102 | KINTFOLD, /* Return ref for int constant in fins->i. */ | ||
103 | FAILFOLD, /* Guard would always fail. */ | ||
104 | DROPFOLD, /* Guard eliminated. */ | ||
105 | MAX_FOLD | ||
106 | }; | ||
107 | |||
108 | #define INTFOLD(k) ((J->fold.ins.i = (k)), (TRef)KINTFOLD) | ||
109 | #define INT64FOLD(k) (lj_ir_kint64(J, (k))) | ||
110 | #define CONDFOLD(cond) ((TRef)FAILFOLD + (TRef)(cond)) | ||
111 | #define LEFTFOLD (J->fold.ins.op1) | ||
112 | #define RIGHTFOLD (J->fold.ins.op2) | ||
113 | #define CSEFOLD (lj_opt_cse(J)) | ||
114 | #define EMITFOLD (lj_ir_emit(J)) | ||
115 | |||
116 | /* Load/store forwarding. */ | ||
117 | LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_aload(jit_State *J); | ||
118 | LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_hload(jit_State *J); | ||
119 | LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_uload(jit_State *J); | ||
120 | LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_fload(jit_State *J); | ||
121 | LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_xload(jit_State *J); | ||
122 | LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_tab_len(jit_State *J); | ||
123 | LJ_FUNC int LJ_FASTCALL lj_opt_fwd_href_nokey(jit_State *J); | ||
124 | LJ_FUNC int LJ_FASTCALL lj_opt_fwd_tptr(jit_State *J, IRRef lim); | ||
125 | LJ_FUNC int lj_opt_fwd_wasnonnil(jit_State *J, IROpT loadop, IRRef xref); | ||
126 | |||
127 | /* Dead-store elimination. */ | ||
128 | LJ_FUNC TRef LJ_FASTCALL lj_opt_dse_ahstore(jit_State *J); | ||
129 | LJ_FUNC TRef LJ_FASTCALL lj_opt_dse_ustore(jit_State *J); | ||
130 | LJ_FUNC TRef LJ_FASTCALL lj_opt_dse_fstore(jit_State *J); | ||
131 | LJ_FUNC TRef LJ_FASTCALL lj_opt_dse_xstore(jit_State *J); | ||
132 | |||
133 | /* Narrowing. */ | ||
134 | LJ_FUNC TRef LJ_FASTCALL lj_opt_narrow_convert(jit_State *J); | ||
135 | LJ_FUNC TRef LJ_FASTCALL lj_opt_narrow_index(jit_State *J, TRef key); | ||
136 | LJ_FUNC TRef LJ_FASTCALL lj_opt_narrow_toint(jit_State *J, TRef tr); | ||
137 | LJ_FUNC TRef LJ_FASTCALL lj_opt_narrow_tobit(jit_State *J, TRef tr); | ||
138 | #if LJ_HASFFI | ||
139 | LJ_FUNC TRef LJ_FASTCALL lj_opt_narrow_cindex(jit_State *J, TRef key); | ||
140 | #endif | ||
141 | LJ_FUNC TRef lj_opt_narrow_arith(jit_State *J, TRef rb, TRef rc, | ||
142 | TValue *vb, TValue *vc, IROp op); | ||
143 | LJ_FUNC TRef lj_opt_narrow_unm(jit_State *J, TRef rc, TValue *vc); | ||
144 | LJ_FUNC TRef lj_opt_narrow_mod(jit_State *J, TRef rb, TRef rc, TValue *vc); | ||
145 | LJ_FUNC TRef lj_opt_narrow_pow(jit_State *J, TRef rb, TRef rc, TValue *vc); | ||
146 | LJ_FUNC IRType lj_opt_narrow_forl(jit_State *J, cTValue *forbase); | ||
147 | |||
148 | /* Optimization passes. */ | ||
149 | LJ_FUNC void lj_opt_dce(jit_State *J); | ||
150 | LJ_FUNC int lj_opt_loop(jit_State *J); | ||
151 | #if LJ_SOFTFP || (LJ_32 && LJ_HASFFI) | ||
152 | LJ_FUNC void lj_opt_split(jit_State *J); | ||
153 | #else | ||
154 | #define lj_opt_split(J) UNUSED(J) | ||
155 | #endif | ||
156 | |||
157 | #endif | ||
158 | |||
159 | #endif | ||