/* Copyright 2012 Jun Wako This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #ifndef CONFIG_H #define CONFIG_H #include "config_common.h" /* USB Device descriptor parameter */ #define VENDOR_ID 0xFEED #define PRODUCT_ID 0x6060 #define DEVICE_VER 0x0001 #define MANUFACTURER unknown #define PRODUCT Chimera Ortho #define DESCRIPTION q.m.k. keyboard firmware for Chimera Ortho /* key matrix size */ #define MATRIX_ROWS 5 #define MATRIX_COLS 10 /* define if matrix has ghost */ //#define MATRIX_HAS_GHOST /* number of backlight levels */ //#define BACKLIGHT_LEVELS 3 #define ONESHOT_TIMEOUT 500 /* * Feature disable options * These options are also useful to firmware size reduction. */ /* disable debug print */ //#define NO_DEBUG /* disable print */ //#define NO_PRINT /* disable action features */ //#define NO_ACTION_LAYER //#define NO_ACTION_TAPPING //#define NO_ACTION_ONESHOT //#define NO_ACTION_MACRO //#define NO_ACTION_FUNCTION //UART settings for communication with the RF microcontroller #define SERIAL_UART_BAUD 1000000 #define SERIAL_UART_DATA UDR1 #define SERIAL_UART_UBRR (F_CPU / (16UL * SERIAL_UART_BAUD) - 1) #define SERIAL_UART_TXD_READY (UCSR1A & _BV(UDRE1)) #define SERIAL_UART_RXD_PRESENT (UCSR1A & _BV(RXC1)) #define SERIAL_UART_INIT() do { \ /* baud rate */ \ UBRR1L = SERIAL_UART_UBRR; \ /* baud rate */ \ UBRR1H = SERIAL_UART_UBRR >> 8; \ /* enable TX and RX */ \ UCSR1B = _BV(TXEN1) | _BV(RXEN1); \ /* 8-bit data */ \ UCSR1C = _BV(UCSZ11) | _BV(UCSZ10); \ } while(0) #endif rmance.patch?id=7f3facfce29639ec50677aa2b0eecebe259aa4d3'>treecommitdiffstats
path: root/package/utils/lua/patches/300-opcode_performance.patch
blob: b971e0975cf70af268229da7e8e53c91d66c476e (plain) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363

--- a/src/lvm.c
+++ b/src/lvm.c
@@ -31,6 +31,9 @@
 /* limit for table tag-method chains (to avoid loops) */
 #define MAXTAGLOOP	100
 
+#ifdef __GNUC__
+#define COMPUTED_GOTO 1
+#endif
 
 /*
  * If 'obj' is a string, it is tried to be interpreted as a number.
@@ -568,12 +571,63 @@ static inline int arith_mode( const TVal
     ARITH_OP1_END
 #endif
 
+#ifdef COMPUTED_GOTO
+#define OPCODE_TARGET(op) DO_OP_##op:
+#define CALL_OPCODE(op) goto *opcodes[op];
+#define OPCODE_PTR(op) [OP_##op] = &&DO_OP_##op
+#else
+#define OPCODE_TARGET(op) case OP_##op:
+#define CALL_OPCODE(op) switch (op)
+#endif
+
 
 void luaV_execute (lua_State *L, int nexeccalls) {
   LClosure *cl;
   StkId base;
   TValue *k;
   const Instruction *pc;
+#ifdef COMPUTED_GOTO
+  static const void *opcodes[] = {
+   OPCODE_PTR(MOVE),
+   OPCODE_PTR(LOADK),
+   OPCODE_PTR(LOADBOOL),
+   OPCODE_PTR(LOADNIL),
+   OPCODE_PTR(GETUPVAL),
+   OPCODE_PTR(GETGLOBAL),
+   OPCODE_PTR(GETTABLE),
+   OPCODE_PTR(SETGLOBAL),
+   OPCODE_PTR(SETUPVAL),
+   OPCODE_PTR(SETTABLE),
+   OPCODE_PTR(NEWTABLE),
+   OPCODE_PTR(SELF),
+   OPCODE_PTR(ADD),
+   OPCODE_PTR(SUB),
+   OPCODE_PTR(MUL),
+   OPCODE_PTR(DIV),
+   OPCODE_PTR(MOD),
+   OPCODE_PTR(POW),
+   OPCODE_PTR(UNM),
+   OPCODE_PTR(NOT),
+   OPCODE_PTR(LEN),
+   OPCODE_PTR(CONCAT),
+   OPCODE_PTR(JMP),
+   OPCODE_PTR(EQ),
+   OPCODE_PTR(LT),
+   OPCODE_PTR(LE),
+   OPCODE_PTR(TEST),
+   OPCODE_PTR(TESTSET),
+   OPCODE_PTR(CALL),
+   OPCODE_PTR(TAILCALL),
+   OPCODE_PTR(RETURN),
+   OPCODE_PTR(FORLOOP),
+   OPCODE_PTR(FORPREP),
+   OPCODE_PTR(TFORLOOP),
+   OPCODE_PTR(SETLIST),
+   OPCODE_PTR(CLOSE),
+   OPCODE_PTR(CLOSURE),
+   OPCODE_PTR(VARARG)
+  };
+#endif
  reentry:  /* entry point */
   lua_assert(isLua(L->ci));
   pc = L->savedpc;
@@ -598,33 +652,33 @@ void luaV_execute (lua_State *L, int nex
     lua_assert(base == L->base && L->base == L->ci->base);
     lua_assert(base <= L->top && L->top <= L->stack + L->stacksize);
     lua_assert(L->top == L->ci->top || luaG_checkopenop(i));
-    switch (GET_OPCODE(i)) {
-      case OP_MOVE: {
+    CALL_OPCODE(GET_OPCODE(i)) {
+      OPCODE_TARGET(MOVE) {
         setobjs2s(L, ra, RB(i));
         continue;
       }
-      case OP_LOADK: {
+      OPCODE_TARGET(LOADK) {
         setobj2s(L, ra, KBx(i));
         continue;
       }
-      case OP_LOADBOOL: {
+      OPCODE_TARGET(LOADBOOL) {
         setbvalue(ra, GETARG_B(i));
         if (GETARG_C(i)) pc++;  /* skip next instruction (if C) */
         continue;
       }
-      case OP_LOADNIL: {
+      OPCODE_TARGET(LOADNIL) {
         TValue *rb = RB(i);
         do {
           setnilvalue(rb--);
         } while (rb >= ra);
         continue;
       }
-      case OP_GETUPVAL: {
+      OPCODE_TARGET(GETUPVAL) {
         int b = GETARG_B(i);
         setobj2s(L, ra, cl->upvals[b]->v);
         continue;
       }
-      case OP_GETGLOBAL: {
+      OPCODE_TARGET(GETGLOBAL) {
         TValue g;
         TValue *rb = KBx(i);
         sethvalue(L, &g, cl->env);
@@ -632,88 +686,88 @@ void luaV_execute (lua_State *L, int nex
         Protect(luaV_gettable(L, &g, rb, ra));
         continue;
       }
-      case OP_GETTABLE: {
+      OPCODE_TARGET(GETTABLE) {
         Protect(luaV_gettable(L, RB(i), RKC(i), ra));
         continue;
       }
-      case OP_SETGLOBAL: {
+      OPCODE_TARGET(SETGLOBAL) {
         TValue g;
         sethvalue(L, &g, cl->env);
         lua_assert(ttisstring(KBx(i)));
         Protect(luaV_settable(L, &g, KBx(i), ra));
         continue;
       }
-      case OP_SETUPVAL: {
+      OPCODE_TARGET(SETUPVAL) {
         UpVal *uv = cl->upvals[GETARG_B(i)];
         setobj(L, uv->v, ra);
         luaC_barrier(L, uv, ra);
         continue;
       }
-      case OP_SETTABLE: {
+      OPCODE_TARGET(SETTABLE) {
         Protect(luaV_settable(L, ra, RKB(i), RKC(i)));
         continue;
       }
-      case OP_NEWTABLE: {
+      OPCODE_TARGET(NEWTABLE) {
         int b = GETARG_B(i);
         int c = GETARG_C(i);
         sethvalue(L, ra, luaH_new(L, luaO_fb2int(b), luaO_fb2int(c)));
         Protect(luaC_checkGC(L));
         continue;
       }
-      case OP_SELF: {
+      OPCODE_TARGET(SELF) {
         StkId rb = RB(i);
         setobjs2s(L, ra+1, rb);
         Protect(luaV_gettable(L, rb, RKC(i), ra));
         continue;
       }
-      case OP_ADD: {
+      OPCODE_TARGET(ADD) {
         TValue *rb = RKB(i), *rc= RKC(i);
         arith_op_continue( luai_numadd, try_addint, luai_vectadd );
         Protect(Arith(L, ra, rb, rc, TM_ADD)); \
         continue;
       }
-      case OP_SUB: {
+      OPCODE_TARGET(SUB) {
         TValue *rb = RKB(i), *rc= RKC(i);
         arith_op_continue( luai_numsub, try_subint, luai_vectsub );
         Protect(Arith(L, ra, rb, rc, TM_SUB));
         continue;
       }
-      case OP_MUL: {
+      OPCODE_TARGET(MUL) {
         TValue *rb = RKB(i), *rc= RKC(i);
         arith_op_continue(luai_nummul, try_mulint, luai_vectmul);
         Protect(Arith(L, ra, rb, rc, TM_MUL));
         continue;
       }
-      case OP_DIV: {
+      OPCODE_TARGET(DIV) {
         TValue *rb = RKB(i), *rc= RKC(i);
         arith_op_continue(luai_numdiv, try_divint, luai_vectdiv);
         Protect(Arith(L, ra, rb, rc, TM_DIV));
         continue;
       }
-      case OP_MOD: {
+      OPCODE_TARGET(MOD) {
         TValue *rb = RKB(i), *rc= RKC(i);
         arith_op_continue_scalar(luai_nummod, try_modint);  /* scalars only */
         Protect(Arith(L, ra, rb, rc, TM_MOD));
         continue;
       }
-      case OP_POW: {
+      OPCODE_TARGET(POW) {
         TValue *rb = RKB(i), *rc= RKC(i);
         arith_op_continue(luai_numpow, try_powint, luai_vectpow);
         Protect(Arith(L, ra, rb, rc, TM_POW));
         continue;
       }
-      case OP_UNM: {
+      OPCODE_TARGET(UNM) {
         TValue *rb = RB(i);
         arith_op1_continue(luai_numunm, try_unmint, luai_vectunm);
         Protect(Arith(L, ra, rb, rb, TM_UNM));
         continue;
       }
-      case OP_NOT: {
+      OPCODE_TARGET(NOT) {
         int res = l_isfalse(RB(i));  /* next assignment may change this value */
         setbvalue(ra, res);
         continue;
       }
-      case OP_LEN: {
+      OPCODE_TARGET(LEN) {
         const TValue *rb = RB(i);
         switch (ttype(rb)) {
           case LUA_TTABLE: {
@@ -733,18 +787,18 @@ void luaV_execute (lua_State *L, int nex
         }
         continue;
       }
-      case OP_CONCAT: {
+      OPCODE_TARGET(CONCAT) {
         int b = GETARG_B(i);
         int c = GETARG_C(i);
         Protect(luaV_concat(L, c-b+1, c); luaC_checkGC(L));
         setobjs2s(L, RA(i), base+b);
         continue;
       }
-      case OP_JMP: {
+      OPCODE_TARGET(JMP) {
         dojump(L, pc, GETARG_sBx(i));
         continue;
       }
-      case OP_EQ: {
+      OPCODE_TARGET(EQ) {
         TValue *rb = RKB(i);
         TValue *rc = RKC(i);
         Protect(
@@ -754,7 +808,7 @@ void luaV_execute (lua_State *L, int nex
         pc++;
         continue;
       }
-      case OP_LT: {
+      OPCODE_TARGET(LT) {
         Protect(
           if (luaV_lessthan(L, RKB(i), RKC(i)) == GETARG_A(i))
             dojump(L, pc, GETARG_sBx(*pc));
@@ -762,7 +816,7 @@ void luaV_execute (lua_State *L, int nex
         pc++;
         continue;
       }
-      case OP_LE: {
+      OPCODE_TARGET(LE) {
         Protect(
           if (lessequal(L, RKB(i), RKC(i)) == GETARG_A(i))
             dojump(L, pc, GETARG_sBx(*pc));
@@ -770,13 +824,13 @@ void luaV_execute (lua_State *L, int nex
         pc++;
         continue;
       }
-      case OP_TEST: {
+      OPCODE_TARGET(TEST) {
         if (l_isfalse(ra) != GETARG_C(i))
           dojump(L, pc, GETARG_sBx(*pc));
         pc++;
         continue;
       }
-      case OP_TESTSET: {
+      OPCODE_TARGET(TESTSET) {
         TValue *rb = RB(i);
         if (l_isfalse(rb) != GETARG_C(i)) {
           setobjs2s(L, ra, rb);
@@ -785,7 +839,7 @@ void luaV_execute (lua_State *L, int nex
         pc++;
         continue;
       }
-      case OP_CALL: {
+      OPCODE_TARGET(CALL) {
         int b = GETARG_B(i);
         int nresults = GETARG_C(i) - 1;
         if (b != 0) L->top = ra+b;  /* else previous instruction set top */
@@ -806,7 +860,7 @@ void luaV_execute (lua_State *L, int nex
           }
         }
       }
-      case OP_TAILCALL: {
+      OPCODE_TARGET(TAILCALL) {
         int b = GETARG_B(i);
         if (b != 0) L->top = ra+b;  /* else previous instruction set top */
         L->savedpc = pc;
@@ -838,7 +892,7 @@ void luaV_execute (lua_State *L, int nex
           }
         }
       }
-      case OP_RETURN: {
+      OPCODE_TARGET(RETURN) {
         int b = GETARG_B(i);
         if (b != 0) L->top = ra+b-1;
         if (L->openupval) luaF_close(L, base);
@@ -853,7 +907,7 @@ void luaV_execute (lua_State *L, int nex
           goto reentry;
         }
       }
-      case OP_FORLOOP: {
+      OPCODE_TARGET(FORLOOP) {
         /* If start,step and limit are all integers, we don't need to check
          * against overflow in the looping.
          */
@@ -881,7 +935,7 @@ void luaV_execute (lua_State *L, int nex
         }
         continue;
       }
-      case OP_FORPREP: {
+      OPCODE_TARGET(FORPREP) {
         const TValue *init = ra;
         const TValue *plimit = ra+1;
         const TValue *pstep = ra+2;
@@ -904,7 +958,7 @@ void luaV_execute (lua_State *L, int nex
         dojump(L, pc, GETARG_sBx(i));
         continue;
       }
-      case OP_TFORLOOP: {
+      OPCODE_TARGET(TFORLOOP) {
         StkId cb = ra + 3;  /* call base */
         setobjs2s(L, cb+2, ra+2);
         setobjs2s(L, cb+1, ra+1);
@@ -920,7 +974,7 @@ void luaV_execute (lua_State *L, int nex
         pc++;
         continue;
       }
-      case OP_SETLIST: {
+      OPCODE_TARGET(SETLIST) {
         int n = GETARG_B(i);
         int c = GETARG_C(i);
         int last;
@@ -942,11 +996,11 @@ void luaV_execute (lua_State *L, int nex
         }
         continue;
       }
-      case OP_CLOSE: {
+      OPCODE_TARGET(CLOSE) {
         luaF_close(L, ra);
         continue;
       }
-      case OP_CLOSURE: {
+      OPCODE_TARGET(CLOSURE) {
         Proto *p;
         Closure *ncl;
         int nup, j;
@@ -966,7 +1020,7 @@ void luaV_execute (lua_State *L, int nex
         Protect(luaC_checkGC(L));
         continue;
       }
-      case OP_VARARG: {
+      OPCODE_TARGET(VARARG) {
         int b = GETARG_B(i) - 1;
         int j;
         CallInfo *ci = L->ci;
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-19 11:52:18 +0000