Mercurial > hg > CbC > old > device
annotate mc-code-powerpc.c @ 209:7bfc1435cdc6 regv-fix
regv fix done
author | kono |
---|---|
date | Wed, 21 Apr 2004 17:40:29 +0900 (2004-04-21) |
parents | 70b1da1864f6 |
children | f21651f85344 |
rev | line source |
---|---|
89 | 1 /* Micro-C Code Generatation Part for Power PC (Mac OS X) */ |
2 /* $Id$ */ | |
3 | |
4 #define EXTERN extern | |
5 #include "mc.h" | |
93 | 6 #include "mc-code.h" |
89 | 7 #include "mc-codegen.h" |
8 | |
173 | 9 char *l_include_path[] = { |
10 "/usr/include/", | |
11 0 | |
12 }; | |
13 | |
89 | 14 #define TEXT_EMIT_MODE 0 |
15 #define DATA_EMIT_MODE 1 | |
16 #define RODATA_EMIT_MODE 2 | |
17 | |
93 | 18 static void data_mode(char *name); |
19 static void init_ptr_cache(); | |
162 | 20 static void ld_indexx(int byte, int n, int xreg,int sign); |
93 | 21 static void local_table(void); |
22 static void shift(char *op, int reg); | |
119 | 23 static int struct_push(int e4,int t,int arg); |
93 | 24 |
89 | 25 static int output_mode = TEXT_EMIT_MODE; |
26 static int data_alignment = 0; | |
27 | |
28 static int code_disp_label; | |
111 | 29 static int code_setup; |
116 | 30 static int r1_offset_label; |
31 static int lvar_offset_label; | |
32 | |
33 static int reg_save; | |
34 static int freg_save; | |
35 | |
205 | 36 static int freg,ireg,lreg; |
147 | 37 |
116 | 38 int size_of_int = 4; |
165 | 39 int size_of_short = 2; |
116 | 40 int size_of_float = 4; |
41 int size_of_double = 8; | |
42 int size_of_longlong = 8; | |
43 int endian = 1; | |
111 | 44 |
205 | 45 static int reg_sp; /* REGister Stack-Pointer */ |
46 static int reg_stack[MAX_MAX]; /* �ºݤΥ쥸�������ΰ� */ | |
138 | 47 |
48 /* floating point registers */ | |
49 | |
205 | 50 static int freg_sp; /* floating point REGister Stack-Pointer */ |
51 static int freg_stack[MAX_MAX]; /* �ºݤΥ쥸�������ΰ� */ | |
89 | 52 |
206 | 53 static int lreg_sp; /* longlong REGister Stack-Pointer */ |
54 static int lreg_stack[MAX_MAX]; /* �ºݤΥ쥸�������ΰ� */ | |
55 | |
119 | 56 #define REG_fp 1 |
57 #define REG_sp 30 | |
58 #define REG_VAR_BASE 29 | |
130 | 59 #define REG_VAR_MIN 18 |
119 | 60 #define MIN_TMP_REG 3 |
130 | 61 #define MAX_TMP_REG 11 |
119 | 62 |
63 #define PTRC_REG 3 | |
64 | |
65 #define FREG_VAR_BASE 31 | |
130 | 66 #define FREG_VAR_MIN 20 |
119 | 67 #define MIN_TMP_FREG 1 |
130 | 68 #define MAX_TMP_FREG 14 |
119 | 69 |
70 int MAX_REGISTER=30; /* PowerPC�Υ쥸������10�ĤޤǻȤ�*/ | |
122 | 71 int MAX_FREGISTER=31; |
119 | 72 #define REAL_MAX_REGISTER 32 /* PowerPC�Υ쥸������32�Ȥ�������*/ |
73 #define REAL_MAX_FREGISTER 32 /* PowerPC�Υ쥸������32�Ȥ�������*/ | |
207 | 74 #define REAL_MAX_LREGISTER 16 |
119 | 75 |
145 | 76 #define FREG_OFFSET REAL_MAX_REGISTER |
207 | 77 #define LREG_OFFSET (REAL_MAX_REGISTER+REAL_MAX_FREGISTER) |
78 | |
79 #define RET_REGISTER 3 | |
80 #define RET_FREGISTER (1+FREG_OFFSET) | |
81 #define RET_LREGISTER_L 4 /* low word */ | |
82 #define RET_LREGISTER_H 3 /* high word */ | |
83 #define RET_LREGISTER LREG_OFFSET | |
145 | 84 |
122 | 85 int MAX_INPUT_REGISTER_VAR = 11-MIN_TMP_REG; |
86 int MAX_CODE_INPUT_REGISTER_VAR = 11-MIN_TMP_REG; | |
87 int MAX_INPUT_DREGISTER_VAR = 14-MIN_TMP_FREG; | |
138 | 88 int MAX_INPUT_FREGISTER_VAR = 14-MIN_TMP_FREG; |
122 | 89 int MAX_CODE_INPUT_DREGISTER_VAR = 14-MIN_TMP_FREG; |
138 | 90 int MAX_CODE_INPUT_FREGISTER_VAR = 14-MIN_TMP_FREG; |
119 | 91 |
207 | 92 static int powerpc_regs[REAL_MAX_REGISTER+REAL_MAX_FREGISTER+ |
93 REAL_MAX_LREGISTER]; | |
94 static int regv_h0[REAL_MAX_LREGISTER]; | |
95 static int regv_l0[REAL_MAX_LREGISTER]; | |
96 #define regv_h(i) regv_h0[i-LREG_OFFSET] | |
97 #define regv_l(i) regv_l0[i-LREG_OFFSET] | |
205 | 98 |
99 static int *regs = powerpc_regs; | |
119 | 100 |
207 | 101 #define CREG_REGISTER (MAX_TMP_REG) |
102 #define FREG_FREGISTER (MAX_TMP_FREG+FREG_OFFSET) | |
103 #define LREG_LREGISTER (MAX_TMP_REG+LREG_OFFSET) | |
206 | 104 |
105 | |
119 | 106 static int max_reg_var, max_freg_var; |
107 | |
108 static char *reg_name[] = { | |
109 "r0","r1","r2","r3","r4","r5","r6","r7","r8","r9", | |
110 "r10","r11","r12","r13","r14","r15","r16","r17","r18","r19", | |
111 "r20","r21","r22","r23","r24","r25","r26","r27","r28","r29", | |
145 | 112 "r30","r31", |
119 | 113 "f0","f1","f2","f3","f4","f5","f6","f7","f8","f9", |
114 "f10","f11","f12","f13","f14","f15","f16","f17","f18","f19", | |
115 "f20","f21","f22","f23","f24","f25","f26","f27","f28","f29", | |
116 "f30","f31" | |
117 }; | |
118 | |
207 | 119 #define register_name(i) reg_name[i] |
120 #define fregister_name(i) reg_name[i] | |
121 #define lregister_name_low(i) reg_name[regv_l(i)] | |
122 #define lregister_name_high(i) reg_name[regv_l(i)] | |
123 | |
124 #define is_int_reg(i) (0<=i&&i<REAL_MAX_REGISTER) | |
125 #define is_float_reg(i) (REAL_MAX_REGISTER<=i&&i<REAL_MAX_FREGISTER+REAL_MAX_REGISTER) | |
126 #define is_longlong_reg(i) (LREG_OFFSET<=i&&i<LREG_OFFSET+REAL_MAX_LREGISTER) | |
147 | 127 |
128 | |
129 int use_int(int i) { | |
205 | 130 if (!is_int_reg(i)) { |
207 | 131 if (lreg) { free_register(lreg); lreg = 0; } |
205 | 132 if (!ireg) ireg = get_register(); |
208 | 133 else if (ireg!=i) free_register(i); |
206 | 134 i = ireg; |
205 | 135 } |
207 | 136 if (!regs[i]) regs[i]=USING_REG; |
147 | 137 return i; |
138 } | |
139 | |
140 int use_float(int i) { | |
207 | 141 if (!is_float_reg(i)) { |
142 if (lreg) { free_register(lreg); lreg = 0; } | |
143 if (!freg) freg = get_dregister(0); | |
208 | 144 else if (freg!=i) free_register(i); |
207 | 145 i = freg; |
146 } | |
147 if (!regs[i]) regs[i]=USING_REG; | |
147 | 148 return i; |
149 } | |
150 | |
151 int use_double(int i) { | |
207 | 152 if (!is_float_reg(i)) { |
153 if (lreg) { free_register(lreg); lreg = 0; } | |
154 if (!freg) freg = get_dregister(1); | |
208 | 155 else if (freg!=i) free_register(i); |
207 | 156 i = freg; |
157 } | |
158 if (!regs[i]) regs[i]=USING_REG; | |
147 | 159 return i; |
160 } | |
161 | |
195 | 162 int use_longlong(int i) { |
205 | 163 if (!is_longlong_reg(i)) { |
164 if (!lreg) lreg = get_lregister(); | |
208 | 165 else if (lreg!=i) free_register(i); |
205 | 166 i = lreg; |
167 } | |
207 | 168 if (!regs[i]) regs[i]=USING_REG; |
169 if (!regs[regv_l(i)]) regs[regv_l(i)]=USING_REG; | |
170 if (!regs[regv_h(i)]) regs[regv_h(i)]=USING_REG; | |
195 | 171 return i; |
172 } | |
173 | |
174 | |
175 #if FLOAT_CODE | |
119 | 176 static |
177 NMTBL float_zero = {"_float_zero",STATIC,FLOAT,0}; | |
178 static | |
179 NMTBL float_one = {"_float_one",STATIC,FLOAT,0}; | |
180 | |
181 | |
182 static char * fload(int d); | |
183 static int code_d1(double d); | |
184 static int code_d2(double d); | |
195 | 185 #endif |
206 | 186 #if LONGLONG_CODE |
187 static int code_l1(long long ll); | |
188 static int code_l2(long long ll); | |
189 #endif | |
195 | 190 |
119 | 191 static void code_save_stacks(); |
192 static void code_save_input_registers(); | |
193 static void clear_ptr_cache_reg(int r); | |
207 | 194 static void set_ireg(int,int); |
119 | 195 static void set_freg(int,int); |
195 | 196 static void set_lreg(int,int); |
119 | 197 |
153 | 198 static int max_func_args; |
199 static int my_func_args; | |
119 | 200 #define ARG_LVAR_OFFSET 0x10000000 |
201 | |
126 | 202 /* |
89 | 203 |
97 | 204 r0 return value etc. |
205 r3-r10 input register | |
126 | 206 r22-r29 saved register variable (input register for code segement) |
89 | 207 r30 stack pointer |
208 r31 0 | |
209 r1 frame pointer | |
97 | 210 |
211 f0 return value etc. | |
212 f1-r8 input register | |
213 f24-f31 saved register variable | |
116 | 214 |
202 | 215 function call stack frame |
116 | 216 <------r1_offset------------------------------> |
217 <------------lvar_offset-------> | |
218 r+ +------------+---+---------------+----------+--------------+----+ - | |
122 | 219 callee arg xx register save local caller arg xx |
116 | 220 reg_save disp max_func_args*size_of_int |
119 | 221 lvar>0 lvar<0 lvar>0x1000 0000 |
127 | 222 |
223 code segment stack frame | |
224 | |
225 * goto��ƤӽФ����ؿ���r1 ! r1(goto����r1) | |
128 | 226 # * r30 <---r1_offset---------> r1 |
127 | 227 r+ +----------+--+----------+----------------+-----------+----------+----+ |
228 cousin arg xx reg save !callee arg !code local caller arg xx | |
229 r20-r29 lvar>0 lvar<0 lvar>0x1000 000 | |
230 f20-f31 <-my_func_args--><--disp-----><-max_func_arg-> | |
231 *size_of_int *size_of_int | |
232 | |
89 | 233 */ |
122 | 234 int arg_offset = 24; int arg_offset1 = 24; int disp_offset = -12; |
235 #define func_disp_offset 60 | |
236 #define r1_offset func_disp_offset+12 | |
121 | 237 int code_disp_offset = 0; int jump_offset = 0; |
238 #define CODE_LVAR l+code_disp_offset | |
129 | 239 #define CODE_CALLER_ARG (l-ARG_LVAR_OFFSET)+arg_offset1 |
121 | 240 #define FUNC_LVAR l+disp_offset |
241 #define CALLER_ARG (l-ARG_LVAR_OFFSET)+arg_offset1 | |
242 #define CALLEE_ARG l+arg_offset | |
89 | 243 |
116 | 244 void |
245 code_offset_set() | |
246 { | |
126 | 247 #if 0 |
121 | 248 int l; |
126 | 249 #endif |
121 | 250 int lvar_offsetv = -disp+max_func_args*size_of_int+func_disp_offset; |
251 int r1_offsetv = -disp+max_func_args*size_of_int-reg_save+r1_offset; | |
252 printf(".set L_%d,%d\n",lvar_offset_label,lvar_offsetv); | |
253 printf(".set L_%d,%d\n",r1_offset_label,r1_offsetv); | |
126 | 254 #if 0 |
121 | 255 printf("# function %s\n",fnptr->nm); |
256 l = ARG_LVAR_OFFSET; | |
257 printf("# offset call0\t%d\n",CALLER_ARG); | |
258 l = ARG_LVAR_OFFSET+max_func_args*size_of_int; | |
122 | 259 printf("# offset calln\t%d %d\n",CALLER_ARG,max_func_args*size_of_int); |
121 | 260 l = disp; |
122 | 261 printf("# offset lvarn\t%d %d\n",FUNC_LVAR+lvar_offsetv,disp); |
121 | 262 l = 0; |
263 printf("# offset lvar0\t%d\n",FUNC_LVAR+lvar_offsetv); | |
264 l = -reg_save; | |
265 printf("# offset regs\t%d\n",FUNC_LVAR+lvar_offsetv); | |
266 printf("# offset r1off\t%d\n",r1_offsetv); | |
267 l = 0; | |
268 printf("# offset carg0\t%d\n",CALLEE_ARG+r1_offsetv); | |
269 l = my_func_args; | |
122 | 270 printf("# offset cargn\t%d %d\n",CALLEE_ARG+r1_offsetv,my_func_args); |
126 | 271 #endif |
116 | 272 } |
111 | 273 |
119 | 274 |
275 static void | |
276 lvar8(int l) | |
116 | 277 { |
278 if (fnptr->sc==CODE) { | |
129 | 279 if (l>=ARG_LVAR_OFFSET) { /* caller's arguments */ |
280 printf("lo16(%d)(r1)\n",CODE_CALLER_ARG); | |
281 } else | |
282 printf("lo16(%d)(r30)\n",CODE_LVAR); | |
119 | 283 } else if (l<0) { /* local variable */ |
284 printf("lo16(%d+L_%d)(r30)\n",FUNC_LVAR,lvar_offset_label); | |
125 | 285 } else if (l>=ARG_LVAR_OFFSET) { /* caller's arguments */ |
119 | 286 printf("lo16(%d)(r30)\n",CALLER_ARG); |
287 } else { /* callee's arguments */ | |
121 | 288 printf("lo16(%d+L_%d)(r30)\n",CALLEE_ARG,r1_offset_label); |
116 | 289 } |
290 } | |
111 | 291 |
119 | 292 /* if size of local variables / input variables is more then 64k, |
293 lo16 does not work. We have to use ha16 also. But we can't know | |
294 the exact size in one path compile. We may safely use lvar16ha | |
295 if disp or max_func_args > 32k. Of course this is reduantant for | |
296 smaller offset. But who cares who use very large local variables? | |
297 */ | |
96 | 298 |
119 | 299 #define LARGE_LVAR (disp<-32765||max_func_args>32765) |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
300 |
119 | 301 static void |
302 lvar16ha(int l) | |
303 { | |
304 if (fnptr->sc==CODE) { | |
129 | 305 if (l>=ARG_LVAR_OFFSET) { /* caller's arguments */ |
306 printf("la r0,ha16(%d)(r1)\n",CODE_CALLER_ARG); | |
307 } else | |
308 printf("la r0,ha16(%d)(r30)\n",CODE_LVAR); | |
119 | 309 } else if (l<0) { /* local variable */ |
310 printf("la r0,ha16(%d+L_%d)(r30)\n",FUNC_LVAR,lvar_offset_label); | |
125 | 311 } else if (l>=ARG_LVAR_OFFSET) { /* caller's arguments */ |
119 | 312 if (CALLER_ARG>32765) |
313 printf("la r0,ha16(%d)(r30)\n",CALLER_ARG); | |
314 } else { /* callee's arguments */ | |
121 | 315 printf("la r0,ha16(%d+L_%d)(r30)\n",CALLEE_ARG,r1_offset_label); |
119 | 316 } |
317 } | |
95 | 318 |
119 | 319 static void |
320 lvar16lo(int l) | |
321 { | |
322 if (fnptr->sc==CODE) { | |
129 | 323 if (l>=ARG_LVAR_OFFSET) { /* caller's arguments */ |
324 printf("lo16(%d)(r0)\n",CODE_CALLER_ARG); | |
325 } else | |
326 printf("lo16(%d)(r0)\n",CODE_LVAR); | |
119 | 327 } else if (l<0) { /* local variable */ |
328 printf("lo16(%d+L_%d)(r0)\n",FUNC_LVAR,lvar_offset_label); | |
125 | 329 } else if (l>=ARG_LVAR_OFFSET) { /* caller's arguments */ |
119 | 330 if (CALLER_ARG>32765) |
331 printf("lo16(%d)(r0)\n",CALLER_ARG); | |
332 else | |
333 printf("lo16(%d)(r30)\n",CALLER_ARG); | |
334 } else { /* callee's arguments */ | |
121 | 335 printf("lo16(%d+L_%d)(r0)\n",CALLEE_ARG,r1_offset_label); |
119 | 336 } |
337 } | |
89 | 338 |
119 | 339 #define lvar_intro(i) if (LARGE_LVAR) lvar16ha(i) |
340 | |
341 #define lvar(i) if (LARGE_LVAR) lvar16lo(i); else lvar8(i) | |
89 | 342 |
119 | 343 void |
344 code_lvar(int e2,int creg) { | |
345 lvar_intro(e2); | |
346 printf("\tla %s,",register_name(creg)); | |
347 lvar(e2); | |
348 } | |
95 | 349 |
89 | 350 void |
351 code_init(void) | |
352 { | |
173 | 353 macro_define("__ppc__ 1\n"); |
177 | 354 macro_define("__BIG_ENDIAN__ 1\n"); |
182 | 355 // macro_define("_BSD_CT_RUNE_T_ int\n"); |
185 | 356 macro_define("__STDC__ 1\n"); |
102 | 357 init_ptr_cache(); |
207 | 358 regv_l(RET_LREGISTER) = RET_LREGISTER_L; |
359 regv_h(RET_LREGISTER) = RET_LREGISTER_H; | |
89 | 360 } |
361 | |
362 void | |
363 gexpr_code_init(void){ | |
172 | 364 #if 0 |
365 int new_reg,old_reg,dm; | |
366 /* register shuffling */ | |
367 if (is_int_reg(creg)) { | |
368 dm = get_register(); | |
369 new_reg = get_register(); | |
370 old_reg = creg; | |
371 ireg = creg = new_reg; | |
205 | 372 free_register(old_reg); |
373 free_register(dm); | |
172 | 374 } else if (is_float_reg(creg)) { |
375 dm = get_dregister(1); | |
376 new_reg = get_dregister(1); | |
377 old_reg = creg; | |
378 freg = creg = new_reg; | |
205 | 379 free_register(old_reg); |
380 free_register(dm); | |
172 | 381 } |
382 #endif | |
96 | 383 } |
384 | |
147 | 385 void |
386 code_gexpr(int e){ | |
207 | 387 // if (is_int_reg(creg) && creg!=ireg) error(-1); |
147 | 388 } |
389 | |
89 | 390 |
109 | 391 void |
137 | 392 code_arg_register(NMTBL *fnptr) |
109 | 393 { |
137 | 394 int args = fnptr->dsp; |
395 NMTBL *n; | |
396 int reg_var = 0; | |
397 int freg_var = 0; | |
398 int type; | |
399 int reg; | |
207 | 400 int i; |
137 | 401 int is_code0 = is_code(fnptr); |
402 | |
403 while (args) { | |
404 /* process in reverse order */ | |
405 n = (NMTBL*)caddr(args); | |
406 type = n->ty; | |
407 if (scalar(type)) { | |
408 if ((reg = get_input_register_var(reg_var,n,is_code0))) { | |
409 n->sc = REGISTER; | |
207 | 410 n->dsp = cadr(reg); |
411 regs[n->dsp]= INPUT_REG; | |
137 | 412 reg_var++; |
205 | 413 cadddr(args)=size_of_int; |
137 | 414 } |
138 | 415 } else if (type==FLOAT) { |
416 if ((reg = get_input_dregister_var(freg_var,n,is_code0,0))) { | |
417 n->sc = DREGISTER; | |
207 | 418 n->dsp = cadr(reg); |
419 regs[n->dsp]= INPUT_REG; | |
138 | 420 freg_var++; |
205 | 421 cadddr(args)=size(type); |
138 | 422 } |
423 } else if (type==DOUBLE) { | |
424 if ((reg = get_input_dregister_var(freg_var,n,is_code0,1))) { | |
137 | 425 n->sc = DREGISTER; |
207 | 426 n->dsp = cadr(reg); |
427 regs[n->dsp]= INPUT_REG; | |
137 | 428 freg_var++; |
205 | 429 cadddr(args)=size(type); |
430 } | |
431 } else if (type==LONGLONG||type==ULONGLONG) { | |
432 if ((reg = get_input_lregister_var(reg_var,n,is_code0))) { | |
433 n->sc = LREGISTER; | |
207 | 434 n->dsp = cadr(reg); |
435 regs[i=n->dsp]= INPUT_REG; | |
436 regs[regv_l(i)]= INPUT_REG; | |
437 regs[regv_h(i)]= INPUT_REG; | |
205 | 438 reg_var+=2; |
439 cadddr(args)=size(type); | |
137 | 440 } |
441 } | |
442 args = cadr(args); | |
443 } | |
126 | 444 if (is_function(fnptr)) |
445 code_save_input_registers(); | |
109 | 446 } |
447 | |
208 | 448 |
89 | 449 int |
208 | 450 get_register0(void) |
89 | 451 { /* �Ȥ��Ƥ��ʤ��쥸������Ĵ�٤� */ |
120 | 452 int i,reg; |
96 | 453 for(i=MAX_TMP_REG;i>MIN_TMP_REG;i--) { |
102 | 454 if (regs[i]) continue; /* �Ȥ��Ƥ��� */ |
455 regs[i]=USING_REG; /* ���Υ쥸������Ȥ����Ȥ������ */ | |
207 | 456 return i; /* ���ξ���ɽ���ֹ���֤� */ |
102 | 457 } |
135 | 458 /* PTR_CACHE ��Ĥ֤� */ |
102 | 459 for(i=MAX_TMP_REG;i>MIN_TMP_REG;i--) { |
119 | 460 if (regs[i]==PTRC_REG) { |
98 | 461 clear_ptr_cache_reg(i); |
96 | 462 } else |
463 continue; | |
464 regs[i]=USING_REG; /* ���Υ쥸������Ȥ����Ȥ������ */ | |
207 | 465 return i; /* ���ξ���ɽ���ֹ���֤� */ |
96 | 466 } |
467 /* search register stack */ | |
468 for(i=0;i<reg_sp;i++) { | |
120 | 469 if ((reg=reg_stack[i])>=0) { |
96 | 470 code_assign_lvar( |
120 | 471 (reg_stack[i]=new_lvar(size_of_int)),reg,0); |
96 | 472 reg_stack[i]= reg_stack[i]-REG_LVAR_OFFSET; |
120 | 473 return reg; |
89 | 474 } |
475 } | |
206 | 476 #if LONGLONG_CODE |
477 /* search register stack */ | |
478 for(i=0;i<lreg_sp;i++) { | |
479 if ((reg=lreg_stack[i])>=0) { | |
480 code_assign_lvar( | |
481 (lreg_stack[i]=new_lvar(size_of_longlong)),reg,0); | |
482 lreg_stack[i]= lreg_stack[i]-REG_LVAR_OFFSET; | |
483 free_register(reg); | |
484 return get_register(); | |
485 } | |
486 } | |
487 #endif | |
130 | 488 for(i=0;i<REG_VAR_BASE-REG_VAR_MIN;i++) { |
489 reg =REG_VAR_BASE-i; | |
490 if (! regs[reg]) { /* �Ȥ��Ƥ��ʤ��ʤ� */ | |
491 regs[reg]=USING_REG; /* ���Υ쥸������Ȥ����Ȥ������ */ | |
492 if (i>max_reg_var) max_reg_var=i; | |
207 | 493 return reg; /* ���ξ���ɽ���ֹ���֤� */ |
130 | 494 } |
495 } | |
96 | 496 /* �����Ƥ����꤬�ʤ��ʤ顢���顼 (���ä���ï���ȤäƤ��?) */ |
136
069960078249
remove redundant funcall argument for prototyped code in PowerPC case.
kono
parents:
135
diff
changeset
|
497 error(HPERR); return creg; |
89 | 498 } |
499 | |
208 | 500 int |
501 get_register(void) | |
502 { | |
503 int i = get_register0(); | |
504 printf("# get_register %d\n",i); | |
505 return i; | |
506 } | |
507 | |
93 | 508 int |
509 pop_register(void) | |
510 { /* �쥸���������ͤ���Ф� */ | |
511 return reg_stack[--reg_sp]; | |
512 } | |
513 | |
195 | 514 #if FLOAT_CODE |
96 | 515 int |
208 | 516 get_dregister0(int d) |
96 | 517 { /* �Ȥ��Ƥ��ʤ��쥸������Ĵ�٤� */ |
103 | 518 int i,reg; |
145 | 519 for(i=MAX_TMP_FREG+FREG_OFFSET;i>MIN_TMP_FREG+FREG_OFFSET;i--) { |
520 if (regs[i]) continue; /* �Ȥ��Ƥ��� */ | |
521 regs[i]=USING_REG; /* ���Υ쥸������Ȥ����Ȥ������ */ | |
207 | 522 return i; /* ���ξ���ɽ���ֹ���֤� */ |
102 | 523 } |
96 | 524 /* search register stack */ |
525 for(i=0;i<freg_sp;i++) { | |
103 | 526 if ((reg=freg_stack[i])>=0) { |
96 | 527 code_dassign_lvar( |
119 | 528 (freg_stack[i]=new_lvar(size_of_double)),reg,1); |
96 | 529 freg_stack[i]= freg_stack[i]-REG_LVAR_OFFSET; |
120 | 530 return reg; |
96 | 531 } |
532 } | |
130 | 533 for(i=0;i<FREG_VAR_BASE-REG_VAR_MIN;i++) { |
145 | 534 reg =FREG_VAR_BASE-i+FREG_OFFSET; |
535 if (! regs[reg]) { /* �Ȥ��Ƥ��ʤ��ʤ� */ | |
536 regs[reg]=USING_REG; /* ���Υ쥸������Ȥ����Ȥ������ */ | |
130 | 537 if (i>max_freg_var) max_freg_var=i; |
207 | 538 return reg; /* ���ξ���ɽ���ֹ���֤� */ |
130 | 539 } |
540 } | |
96 | 541 /* �����Ƥ����꤬�ʤ��ʤ顢���顼 (���ä���ï���ȤäƤ��?) */ |
98 | 542 error(REG_ERR); return freg; |
96 | 543 } |
544 | |
208 | 545 |
546 int | |
547 get_dregister(int d) | |
548 { | |
549 int i = get_dregister0(d); | |
550 printf("# get_dregister %d\n",i); | |
551 return i; | |
552 } | |
553 | |
96 | 554 int |
97 | 555 pop_fregister(void) |
96 | 556 { /* �쥸���������ͤ���Ф� */ |
557 return freg_stack[--freg_sp]; | |
558 } | |
195 | 559 #endif |
560 | |
561 int | |
207 | 562 get_lregister0() |
563 { | |
564 int i; | |
565 for(i=LREG_OFFSET+1;i<REAL_MAX_LREGISTER+LREG_OFFSET;i++) { | |
566 if (regs[i]==0) { | |
208 | 567 printf("# get_lregister %d\n",i); |
207 | 568 return i; |
569 } | |
570 } | |
571 return -1; | |
572 } | |
573 | |
574 int | |
205 | 575 get_lregister() |
576 { | |
207 | 577 int h,l,i; |
578 i = get_lregister0(); | |
579 if (i==-1) return -1; | |
580 if (regs[i]==0) { | |
581 h = get_register(); | |
582 if (h==-1) return -1; | |
583 regv_h(i) = h; | |
584 l = get_register(); | |
585 if (l==-1) { free_register(h); return -1; } | |
586 regv_l(i) = l; | |
587 regs[i]=USING_REG; | |
588 return i; | |
589 } | |
590 return -1; | |
205 | 591 } |
592 | |
593 int | |
195 | 594 get_lregister_var(NMTBL *n) |
595 { | |
207 | 596 int i,j,ll; |
206 | 597 int max_reg_var_save=max_reg_var; |
207 | 598 ll = get_lregister0(); |
599 if (ll==-1) return -1; | |
600 if (regs[ll]==0) { | |
601 for(i=0;i<REG_VAR_BASE-REG_VAR_MIN;i++) { | |
602 if (! regs[REG_VAR_BASE-i]) { /* �Ȥ��Ƥ��ʤ��ʤ� */ | |
603 /* ���Υ쥸������Ȥ����Ȥ������ */ | |
604 regs[REG_VAR_BASE-i]=USING_REG; | |
605 if (i>max_reg_var) max_reg_var=i; | |
606 for(j=0;j<REG_VAR_BASE-REG_VAR_MIN;j++) { | |
607 if (! regs[REG_VAR_BASE-j]) { | |
608 /* �Ȥ��Ƥ��ʤ��ʤ� */ | |
609 /* ���Υ쥸������Ȥ����Ȥ������ */ | |
610 regs[REG_VAR_BASE-j]=USING_REG; | |
611 if (j>max_reg_var) max_reg_var=j; | |
612 /* ���ξ���ɽ���ֹ���֤� */ | |
613 regv_l(ll) = REG_VAR_BASE-j; | |
614 regv_h(ll) = REG_VAR_BASE-i; | |
615 return list3(LREGISTER,ll,(int)n); | |
616 } | |
206 | 617 } |
207 | 618 /* �ҤȤĤ����ʤ��ä� */ |
619 regs[REG_VAR_BASE-i]=0; | |
620 max_reg_var=max_reg_var_save; | |
621 goto not_found; | |
206 | 622 } |
623 } | |
624 } | |
207 | 625 not_found: |
204 | 626 return list2(LVAR,new_lvar(size_of_longlong)); |
195 | 627 } |
96 | 628 |
93 | 629 void |
630 emit_pop_free(int xreg) | |
631 { | |
103 | 632 if (xreg>=0) |
633 free_register(xreg); | |
93 | 634 } |
635 | |
89 | 636 void |
637 free_register(int i) { /* ����ʤ��ʤä��쥸�������� */ | |
208 | 638 printf("# free_register %d\n",i); |
207 | 639 regs[i]=0; |
640 if (is_longlong_reg(i)) { | |
641 regs[regv_l(i)]=0; | |
642 regs[regv_h(i)]=0; | |
206 | 643 } |
96 | 644 } |
645 | |
89 | 646 int |
138 | 647 get_input_dregister_var(int i,NMTBL *n,int is_code,int d) |
99 | 648 { |
126 | 649 if (is_code) { |
148 | 650 if(!(i<FREG_VAR_BASE-FREG_VAR_MIN)) return 0; |
651 i = FREG_VAR_BASE-i+FREG_OFFSET; | |
126 | 652 } else { |
135 | 653 if (i<0||i>=MAX_INPUT_DREGISTER_VAR) return 0; |
145 | 654 i = i+MIN_TMP_FREG+FREG_OFFSET; |
126 | 655 } |
207 | 656 return list3(DREGISTER,i,(int)n); |
205 | 657 } |
658 | |
659 int | |
660 get_input_lregister_var(int i,NMTBL *n,int is_code) | |
661 { | |
207 | 662 int ll; |
663 ll = get_lregister0(); | |
664 if (i!=-1) { | |
665 if (is_code) { | |
666 if(!(i+1<REG_VAR_BASE-REG_VAR_MIN)) return 0; | |
667 i = REG_VAR_BASE-i; | |
668 } else { | |
669 if (i<0||i+1>=MAX_INPUT_REGISTER_VAR) return 0; | |
670 i = i+MIN_TMP_REG; | |
671 } | |
672 regv_l(ll)=i; | |
673 regv_h(ll)=i+1; | |
674 } else { error(-1); ll=LREG_OFFSET+2; } | |
675 return list3(LREGISTER,ll,(int)n); | |
99 | 676 } |
677 | |
678 int | |
126 | 679 get_input_register_var(int i,NMTBL *n,int is_code) |
99 | 680 { |
126 | 681 if (is_code) { |
131 | 682 if(!(i<REG_VAR_BASE-REG_VAR_MIN)) return 0; |
126 | 683 i = REG_VAR_BASE-i; |
684 } else { | |
135 | 685 if (i<0||i>=MAX_INPUT_REGISTER_VAR) return 0; |
686 i = i+MIN_TMP_REG; | |
687 } | |
207 | 688 return list3(REGISTER,i,(int)n); |
135 | 689 } |
690 | |
145 | 691 /* double register case? */ |
692 | |
135 | 693 int |
694 get_input_register_var_1(int i,NMTBL *n,int is_code) | |
695 { | |
696 if (is_code) { | |
697 if(!(i<REG_VAR_BASE-REG_VAR_MIN)) return 0; | |
698 i = REG_VAR_BASE-i; | |
699 } else { | |
700 if (i<0||i>=MAX_INPUT_REGISTER_VAR+1) return 0; | |
126 | 701 i = i+MIN_TMP_REG; |
702 } | |
207 | 703 return list3(REGISTER,i,(int)n); |
99 | 704 } |
705 | |
706 int | |
137 | 707 free_register_count(int d) |
103 | 708 { |
709 int i,count,fcount; | |
710 fcount = count = 0; | |
711 for(i=0;i<MAX_REGISTER;i++) { | |
205 | 712 if (! regs[i]) count++; |
103 | 713 } |
714 for(i=0;i<MAX_FREGISTER;i++) { | |
205 | 715 if (! regs[i+FREG_OFFSET]) fcount++; |
103 | 716 } |
137 | 717 printf("# free reg %d freg %d\n",count,fcount); |
718 return d?fcount:count; | |
103 | 719 } |
720 | |
205 | 721 #if 0 |
722 static int | |
89 | 723 register_full(void) |
724 { | |
725 int i; | |
726 for(i=0;i<MAX_REGISTER;i++) { | |
727 if (! regs[i]) { | |
728 return 0; | |
729 } | |
730 } | |
731 return 1; | |
732 } | |
205 | 733 #endif |
89 | 734 |
735 void | |
736 free_all_register(void) | |
737 { | |
738 int i; | |
208 | 739 #if 1 |
740 printf("# free_all register\n"); | |
741 #endif | |
206 | 742 #if LONGLONG_CODE |
207 | 743 for(i=0;i<REAL_MAX_LREGISTER;i++) { regs[i+LREG_OFFSET]=0; } |
206 | 744 lreg = 0; |
207 | 745 set_lreg(LREG_LREGISTER,0); |
206 | 746 #endif |
205 | 747 for(i=0;i<MAX_REGISTER;i++) { regs[i]=0; } |
748 for(i=0;i<MAX_FREGISTER;i++) { regs[i+FREG_OFFSET]=0; } | |
195 | 749 #if FLOAT_CODE |
138 | 750 freg = get_dregister(1); |
195 | 751 set_freg(FREG_FREGISTER,0); |
752 #endif | |
753 ireg = creg = get_register(); | |
207 | 754 set_ireg(CREG_REGISTER,0); |
89 | 755 return; |
756 } | |
757 | |
758 void | |
759 register_usage(char *s) | |
760 { | |
207 | 761 #if 1 |
89 | 762 int i; |
126 | 763 #endif |
89 | 764 if (chk) return; |
109 | 765 if (!lsrc) return; |
89 | 766 printf("# %d: %s:",lineno,s); |
206 | 767 if (ireg) printf(" creg=%s",register_name(ireg)); |
768 if (freg) printf(" freg=%s",fregister_name(freg)); | |
769 if (lreg) printf(" lreg=%s,%s",lregister_name_high(lreg), | |
770 lregister_name_low(lreg)); | |
207 | 771 #if 1 |
126 | 772 printf("\n# regs:"); |
207 | 773 for(i=0;i<MAX_REGISTER;i++) { printf("%d ",regs[i]); } |
774 printf(" stack "); | |
775 for(i=reg_sp;i>0;i--) { | |
776 if(reg_stack[i-1]>=0) | |
777 printf(" %s",register_name(reg_stack[i])); | |
778 } | |
101 | 779 printf("\n# freg:"); |
207 | 780 for(i=0;i<MAX_FREGISTER;i++) { printf("%d ",regs[i+FREG_OFFSET]); } |
781 printf(" stack "); | |
782 for(i=freg_sp;i>0;i--) { | |
783 if(freg_stack[i-1]>=0) | |
784 printf(" %s",fregister_name(freg_stack[i])); | |
785 } | |
786 printf("\n# lreg:"); | |
787 for(i=0;i<REAL_MAX_LREGISTER;i++) { printf("%d ",regs[i+LREG_OFFSET]); } | |
788 printf(" stack "); | |
789 for(i=lreg_sp;i>0;i--) { | |
790 if(lreg_stack[i-1]>=0) | |
791 printf(" %s",lregister_name_high(lreg_stack[i])); | |
792 printf(",%s",lregister_name_low(lreg_stack[i])); | |
89 | 793 } |
794 #endif | |
795 printf("\n"); | |
796 } | |
797 | |
798 void | |
799 gexpr_init(void) | |
800 { | |
801 while(reg_sp > 0) { | |
802 free_register(reg_stack[--reg_sp]); | |
803 } | |
148 | 804 while(freg_sp > 0) { |
805 free_register(freg_stack[--freg_sp]); | |
806 } | |
206 | 807 while(lreg_sp > 0) { |
808 free_register(lreg_stack[--lreg_sp]); | |
809 } | |
89 | 810 text_mode(); |
811 gexpr_code_init(); | |
812 register_usage("gexpr_init"); | |
813 } | |
814 | |
815 | |
816 void | |
817 emit_init(void) | |
818 { | |
819 free_all_register(); | |
110 | 820 max_reg_var=-1; max_freg_var=-1; |
89 | 821 reg_sp = 0; |
123 | 822 freg_sp = 0; |
89 | 823 text_mode(); |
824 } | |
825 | |
97 | 826 |
89 | 827 int |
105 | 828 get_register_var(NMTBL *n) |
89 | 829 { |
830 int i; | |
99 | 831 for(i=0;i<REG_VAR_BASE-REG_VAR_MIN;i++) { |
137 | 832 if (! regs[REG_VAR_BASE-i]) { /* �Ȥ��Ƥ��ʤ��ʤ� */ |
833 /* ���Υ쥸������Ȥ����Ȥ������ */ | |
834 regs[REG_VAR_BASE-i]=USING_REG; | |
97 | 835 if (i>max_reg_var) max_reg_var=i; |
122 | 836 /* ���ξ���ɽ���ֹ���֤� */ |
207 | 837 return list3(REGISTER,REG_VAR_BASE-i,(int)n); |
137 | 838 } |
96 | 839 } |
104 | 840 return list2(LVAR,new_lvar(size_of_int)); |
96 | 841 } |
842 | |
843 int | |
138 | 844 get_dregister_var(NMTBL *n,int d) |
96 | 845 { |
846 int i; | |
148 | 847 for(i=0;i<FREG_VAR_BASE-FREG_VAR_MIN;i++) { |
145 | 848 if (! regs[FREG_VAR_BASE-i+FREG_OFFSET]) { /* �Ȥ��Ƥ��ʤ��ʤ� */ |
849 regs[FREG_VAR_BASE-i+FREG_OFFSET]=USING_REG; /*���Υ쥸������Ȥ����Ȥ������*/ | |
97 | 850 if (i>max_freg_var) max_freg_var=i; |
122 | 851 /* ���ξ���ɽ���ֹ���֤� */ |
206 | 852 return list3(DREGISTER, |
207 | 853 FREG_VAR_BASE-i+FREG_OFFSET,(int)n); |
89 | 854 } |
855 } | |
104 | 856 return list2(LVAR,new_lvar(size_of_double)); |
89 | 857 } |
858 | |
859 void | |
107 | 860 emit_push() |
89 | 861 { |
862 int new_reg; | |
102 | 863 if (reg_sp>MAX_MAX) error(-1); |
89 | 864 new_reg = get_register(); |
97 | 865 reg_stack[reg_sp++] = creg; /* push ���뤫���˥쥸������Ȥ� */ |
147 | 866 ireg = creg = new_reg; |
89 | 867 } |
868 | |
869 int | |
93 | 870 emit_pop(int type) |
89 | 871 { |
112 | 872 int xreg,reg; |
97 | 873 xreg=pop_register(); |
874 if (xreg<= -REG_LVAR_OFFSET) { | |
112 | 875 reg = get_register(); |
119 | 876 code_rlvar(REG_LVAR_OFFSET+xreg,reg); |
117 | 877 free_lvar(REG_LVAR_OFFSET+xreg); |
112 | 878 xreg = reg; |
97 | 879 } |
89 | 880 return xreg; |
881 } | |
882 | |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
883 static int code_base; |
89 | 884 |
885 #define MAX_PTR_CACHE 10 | |
886 | |
887 int ptr_cache=0; | |
888 | |
93 | 889 void |
90 | 890 init_ptr_cache() |
891 { | |
892 int i; | |
893 for(i=0;i<MAX_PTR_CACHE;i++) { | |
894 ptr_cache=glist3(0,ptr_cache,0); | |
895 } | |
896 } | |
897 | |
95 | 898 void |
96 | 899 clear_ptr_cache_reg(int r) |
900 { | |
901 int ptcptr=ptr_cache; | |
902 while(ptcptr) { | |
903 if(car(ptcptr)&&caddr(ptcptr)==r) { | |
904 car(ptcptr)=0; | |
905 caddr(ptcptr)=0; | |
102 | 906 free_register(r); |
98 | 907 return; |
96 | 908 } |
909 ptcptr=cadr(ptcptr); | |
910 } | |
911 } | |
912 | |
913 void | |
89 | 914 clear_ptr_cache() |
915 { | |
916 int ptcptr=ptr_cache; | |
917 while(ptcptr) { | |
918 if(car(ptcptr)) | |
919 free_register(caddr(ptcptr)); | |
920 car(ptcptr)=0; | |
921 caddr(ptcptr)=0; | |
922 ptcptr=cadr(ptcptr); | |
923 } | |
924 } | |
925 | |
926 | |
927 int | |
109 | 928 get_ptr_cache(NMTBL *nptr) |
89 | 929 { |
930 int r; | |
931 int ptcptr=ptr_cache; | |
109 | 932 int g = (int)nptr; |
89 | 933 int p,p1; |
95 | 934 char *rrn; |
89 | 935 |
127 | 936 p1 = ptcptr; p = cadr(p1); /* unnecesary, if ptcptr is initialized */ |
89 | 937 while(ptcptr) { |
938 if(car(ptcptr)==g) return caddr(ptcptr); | |
939 p1=p; p=ptcptr; | |
940 ptcptr=cadr(ptcptr); | |
941 } | |
942 cadr(p1)=0; /* remove the last one */ | |
943 cadr(p) = ptr_cache; /* connect current queue to the last one */ | |
944 ptr_cache = p; /* now the last one is the top */ | |
945 if (!caddr(p)) { | |
96 | 946 if((r=get_register())) { |
207 | 947 caddr(p)=r; regs[r]=PTRC_REG; |
127 | 948 } else { |
949 error(-1); | |
96 | 950 r=creg; /* this can't happen */ |
127 | 951 } |
102 | 952 car(p)=g; |
127 | 953 } else { |
954 r = caddr(p); | |
89 | 955 } |
956 rrn = register_name(r); | |
109 | 957 if (nptr->sc==STATIC) { |
958 printf("\taddis %s,r31,ha16(_%s-L_%d)\n", | |
959 rrn,nptr->nm,code_base); | |
960 printf("\tla %s,lo16(_%s-L_%d)(%s)\n", | |
961 rrn,nptr->nm,code_base,rrn); | |
962 } else { | |
963 printf("\taddis %s,r31,ha16(L_%s$non_lazy_ptr-L_%d)\n", | |
964 rrn,nptr->nm,code_base); | |
965 printf("\tlwz %s,lo16(L_%s$non_lazy_ptr-L_%d)(%s)\n", | |
966 rrn,nptr->nm,code_base,rrn); | |
967 } | |
89 | 968 return r; |
969 } | |
970 | |
168 | 971 static char *cload(int sz) { return sz==1?"lbz":sz==size_of_short?"lhz":"lwz"; } |
972 static char *cstore(int sz) { return sz==1?"stb":sz==size_of_short?"sth":"stw"; } | |
973 static char *cext(int sz) { return sz==size_of_short?"extsh":"extsb"; } | |
974 | |
89 | 975 void |
92 | 976 code_label(int labelno) |
977 { | |
978 clear_ptr_cache(); | |
102 | 979 printf("L_%d:\n",labelno); |
92 | 980 } |
981 | |
982 void | |
107 | 983 code_gvar(int e1,int creg) { |
89 | 984 int r; |
109 | 985 r = get_ptr_cache((NMTBL*)cadr(e1)); |
89 | 986 if(r!=creg) |
987 printf("\tmr %s,%s\n",register_name(creg),register_name(r)); | |
988 return; | |
989 } | |
990 | |
991 void | |
107 | 992 code_rgvar(int e1,int creg) { |
147 | 993 if (!is_int_reg(creg)) error(-1); |
108 | 994 printf("\tlwz %s,0(%s)\n",register_name(creg), |
109 | 995 register_name(get_ptr_cache((NMTBL*)cadr(e1)))); |
89 | 996 } |
997 | |
998 void | |
165 | 999 code_crgvar(int e1,int creg,int sign,int sz){ |
107 | 1000 char *crn = register_name(creg); |
168 | 1001 printf("\t%s %s,0(%s)\n",cload(sz),crn, |
109 | 1002 register_name(get_ptr_cache((NMTBL*)cadr(e1)))); |
162 | 1003 if (sign) |
168 | 1004 printf("\t%s %s,%s\n",cext(sz),crn,crn); |
89 | 1005 } |
1006 | |
165 | 1007 |
1008 | |
89 | 1009 void |
107 | 1010 code_register(int e2,int creg) { |
90 | 1011 if (creg!=e2) |
1012 printf("\tmr %s,%s\n",register_name(creg),register_name(e2)); | |
89 | 1013 } |
1014 | |
1015 | |
1016 void | |
95 | 1017 code_rlvar(int e2,int reg) { |
119 | 1018 lvar_intro(e2); |
147 | 1019 if (!is_int_reg(reg)) error(-1); |
119 | 1020 printf("\tlwz %s,",register_name(reg)); |
1021 lvar(e2); | |
89 | 1022 } |
1023 | |
1024 void | |
165 | 1025 code_crlvar(int e2,int reg,int sign,int sz) { |
119 | 1026 lvar_intro(e2); |
165 | 1027 printf("\t%s %s,",cload(sz),register_name(reg)); |
119 | 1028 lvar(e2); |
162 | 1029 if (sign) |
165 | 1030 printf("\t%s %s,%s\n",cext(sz),register_name(reg),register_name(reg)); |
89 | 1031 } |
1032 | |
165 | 1033 |
1034 | |
160 | 1035 |
89 | 1036 |
1037 void | |
109 | 1038 code_fname(NMTBL *n,int creg) { |
89 | 1039 int r; |
109 | 1040 r = get_ptr_cache(n); |
89 | 1041 if(r!=creg) |
95 | 1042 printf("\tmr %s,%s\n",register_name(creg),register_name(r)); |
89 | 1043 return; |
1044 } | |
1045 | |
1046 | |
1047 void | |
107 | 1048 code_const(int e2,int creg) { |
89 | 1049 char *crn = register_name(creg); |
1050 if (-32768<e2&&e2<32768) | |
1051 printf("\tli %s,%d\n",crn,e2); | |
1052 else { | |
1053 printf("\tlis %s,ha16(%d)\n",crn,e2); | |
1054 printf("\taddi %s,%s,lo16(%d)\n",crn,crn,e2); | |
1055 } | |
1056 } | |
1057 | |
1058 | |
1059 void | |
107 | 1060 code_neg(int creg) { |
93 | 1061 printf("\tneg %s,%s\n", register_name(creg), register_name(creg)); |
89 | 1062 } |
1063 | |
1064 | |
1065 void | |
107 | 1066 code_not(int creg) { |
89 | 1067 printf("\tnor %s,%s,%s\n", |
1068 register_name(creg), register_name(creg),register_name(creg)); | |
1069 } | |
1070 | |
1071 | |
1072 void | |
107 | 1073 code_lnot(int creg) { |
89 | 1074 printf("\tsubfic r0,%s,0\n", register_name(creg)); |
1075 printf("\tadde %s,r0,%s\n", register_name(creg),register_name(creg)); | |
1076 } | |
1077 | |
1078 void | |
168 | 1079 code_preinc(int e1,int e2,int dir,int sign,int sz,int reg) { |
89 | 1080 char *xrn,*drn; |
1081 int i,dreg; | |
1082 if (car(e2)==REGISTER) { | |
95 | 1083 printf("\taddi %s,%s,%d\n", |
168 | 1084 register_name(cadr(e2)),register_name(cadr(e2)), dir); |
118 | 1085 if (cadr(reg)!=e2) |
1086 printf("\tmr %s,%s\n",register_name(cadr(reg)),register_name(e2)); | |
89 | 1087 return; |
1088 } | |
1089 g_expr(e2); | |
1090 xrn = register_name(creg); | |
1091 dreg=get_register(); if (!dreg) error(-1); | |
1092 drn = register_name(dreg); | |
168 | 1093 printf("\t%s %s,0(%s)\n",cload(sz),drn,xrn); |
172 | 1094 if (use && sign && sz!=size_of_int) |
168 | 1095 printf("\t%s %s,%s\n",cext(sz),drn,drn); |
1096 printf("\taddi %s,%s,%d\n",drn,drn,dir); | |
1097 printf("\t%s %s,0(%s)\n",cstore(sz),drn,xrn); | |
89 | 1098 i=creg;creg=dreg;dreg=i; |
205 | 1099 ireg=creg; |
89 | 1100 free_register(dreg); |
1101 } | |
1102 | |
1103 | |
1104 void | |
168 | 1105 code_postinc(int e1,int e2,int dir,int sign,int sz,int reg) { |
89 | 1106 char *xrn,*crn,*nrn; |
95 | 1107 int dreg,nreg,i; |
89 | 1108 if (car(e2)==REGISTER) { |
107 | 1109 printf("\tmr %s,%s\n",register_name(reg),register_name(cadr(e2))); |
89 | 1110 printf("\taddi %s,%s,%d\n", |
168 | 1111 register_name(cadr(e2)),register_name(cadr(e2)),dir); |
89 | 1112 return; |
1113 } | |
1114 g_expr(e2); | |
1115 crn = register_name(creg); | |
1116 dreg=get_register(); if (!dreg) error(-1); | |
1117 xrn = register_name(dreg); | |
1118 nreg=get_register(); if (!nreg) error(-1); | |
1119 nrn = register_name(nreg); | |
168 | 1120 printf("\t%s %s,0(%s)\n",cload(sz),xrn,crn); |
172 | 1121 if (use && sign && sz!=size_of_int) |
168 | 1122 printf("\t%s %s,%s\n",cext(sz),xrn,xrn); |
1123 printf("\taddi %s,%s,%d\n",nrn,xrn,dir); | |
1124 printf("\t%s %s,0(%s)\n",cstore(sz),nrn,crn); | |
1125 i=creg;creg=dreg;dreg=i; | |
89 | 1126 free_register(nreg); |
1127 free_register(dreg); | |
205 | 1128 ireg=creg; |
89 | 1129 } |
1130 | |
1131 | |
1132 void | |
107 | 1133 code_return(int creg) { |
95 | 1134 char *crn = register_name(creg); |
102 | 1135 printf("\taddis %s,r31,ha16(L_%d-L_%d)\n",crn,retcont,code_base); |
1136 printf("\tla %s,lo16(L_%d-L_%d)(%s)\n",crn,retcont,code_base,crn); | |
89 | 1137 } |
1138 | |
128 | 1139 #define R1SAVE 1 |
89 | 1140 |
1141 void | |
107 | 1142 code_environment(int creg) { |
126 | 1143 /* save frame pointer */ |
128 | 1144 #if R1SAVE |
1145 printf("\tlwz %s,0(r1)\n",register_name(creg)); | |
1146 #else | |
1147 int l = 0; | |
1148 printf("\tla %s,",register_name(creg)); | |
1149 printf("lo16(%d+L_%d)(r30)\n",FUNC_LVAR,lvar_offset_label); | |
1150 #endif | |
89 | 1151 } |
1152 | |
1153 void | |
116 | 1154 code_bool(int e1) { |
89 | 1155 char *xrn; |
1156 int e2,e3; | |
1157 b_expr(e1,1,e2=fwdlabel(),1); /* including > < ... */ | |
147 | 1158 creg = use_int(creg); |
89 | 1159 xrn = register_name(creg); |
1160 printf("\tli %s,0\n",xrn); | |
1161 jmp(e3=fwdlabel()); | |
1162 fwddef(e2); | |
1163 printf("\tli %s,1\n",xrn); | |
1164 fwddef(e3); | |
1165 } | |
1166 | |
1167 char * | |
1168 code_gt(int cond) { | |
113 | 1169 return (cond?"gt":"le"); |
89 | 1170 } |
1171 | |
1172 char * | |
1173 code_ugt(int cond) { | |
113 | 1174 return (cond?"gt":"le"); |
89 | 1175 } |
1176 | |
1177 char * | |
1178 code_ge(int cond) { | |
113 | 1179 return (cond?"ge":"lt"); |
89 | 1180 } |
1181 | |
1182 char * | |
1183 code_uge(int cond) { | |
113 | 1184 return (cond?"ge":"lt"); |
89 | 1185 } |
1186 | |
1187 char * | |
1188 code_eq(int cond) { | |
113 | 1189 return (cond?"eq":"ne"); |
89 | 1190 } |
1191 | |
1192 void | |
167 | 1193 code_cmp_crgvar(int e1,int sz) { |
89 | 1194 int r; |
1195 char *crn = register_name(creg); | |
109 | 1196 r = get_ptr_cache((NMTBL*)cadr(e1)); |
167 | 1197 printf("\t%s %s,0(%s)\n",cload(sz),crn,register_name(r)); |
89 | 1198 printf("\tcmpwi cr0,%s,0\n",crn); |
1199 } | |
1200 | |
1201 | |
1202 void | |
167 | 1203 code_cmp_crlvar(int e2,int sz) { |
89 | 1204 char *crn = register_name(creg); |
119 | 1205 lvar_intro(e2); |
167 | 1206 printf("\t%s %s,",cload(sz),crn); |
160 | 1207 lvar(e2); |
1208 code_cmp_register(creg); | |
1209 } | |
1210 | |
89 | 1211 |
1212 void | |
1213 code_cmp_rgvar(int e1) { | |
1214 int r; | |
1215 char *crn = register_name(creg); | |
147 | 1216 if (!is_int_reg(creg)) error(-1); |
109 | 1217 r = get_ptr_cache((NMTBL*)cadr(e1)); |
108 | 1218 printf("\tlwz %s,0(%s)\n",crn,register_name(r)); |
89 | 1219 code_cmp_register(creg); |
1220 } | |
1221 | |
1222 | |
1223 void | |
119 | 1224 code_cmp_rlvar(int e2) { |
89 | 1225 char *crn = register_name(creg); |
119 | 1226 lvar_intro(e2); |
1227 printf("\tlwz %s,",crn); | |
1228 lvar(e2); | |
89 | 1229 code_cmp_register(creg); |
1230 } | |
1231 | |
1232 | |
1233 void | |
1234 code_cmp_register(int e2) { | |
1235 printf("\tcmpwi cr0,%s,0\n",register_name(e2)); | |
1236 } | |
1237 | |
1238 | |
1239 void | |
1240 ascii(char *s) | |
1241 { | |
1242 printf("\t.ascii \""); | |
1243 while(*s) { | |
1244 if (*s=='\n') | |
1245 printf("%cn",92); | |
1246 else if (*s<' ') | |
1247 printf("%c%03o",92,*s); | |
116 | 1248 else if (*s=='\\') |
1249 printf("\\\\"); | |
89 | 1250 else if (*s==34) |
1251 printf("%c%c",92,34); | |
1252 else | |
1253 printf("%c",*s); | |
1254 s++; | |
1255 } | |
108 | 1256 printf("\\0%c\n\t.align 2\n",34); |
89 | 1257 } |
1258 | |
1259 void | |
107 | 1260 code_string(int e1,int creg) |
89 | 1261 { |
95 | 1262 char *s,*crn; |
1263 int lb; | |
1264 crn=register_name(creg); | |
89 | 1265 |
1266 s=(char *)cadr(e1); | |
109 | 1267 printf(".data\t\n.cstring\n\t.align 2\n"); |
89 | 1268 lb=fwdlabel(); |
102 | 1269 printf("L_%d:\n",lb); |
89 | 1270 ascii(s); |
1271 if (output_mode==TEXT_EMIT_MODE) { | |
1272 printf(".text\n"); | |
1273 } else { | |
1274 text_mode(); | |
1275 } | |
102 | 1276 printf("\taddis %s,r31,ha16(L_%d-L_%d)\n",crn,lb,code_base); |
1277 printf("\tla %s,lo16(L_%d-L_%d)(%s)\n",crn,lb,code_base,crn); | |
89 | 1278 } |
1279 | |
1280 #define MAX_COPY_LEN 20 | |
1281 | |
1282 void | |
1283 emit_copy(int from,int to,int length,int offset,int value,int det) | |
1284 { | |
1285 char *frn = register_name(from); | |
1286 char *trn = register_name(to); | |
1287 char *drn; | |
1288 int fix = 0; | |
125 | 1289 char *memmove = "memmove"; |
95 | 1290 int dreg = get_register(); if (!dreg) error(-1); |
89 | 1291 drn = register_name(dreg); |
1292 | |
1293 /* length <0 means upward direction copy */ | |
1294 switch (length) { | |
1295 case 0: break; | |
1296 case 1: case -1: | |
1297 printf("\tlbz %s,%d(%s)\n",drn,offset,frn); | |
1298 printf("\tstb %s,%d(%s)\n",drn,offset,trn); | |
1299 break; | |
1300 case 2: case -2: | |
1301 printf("\tlhz %s,%d(%s)\n",drn,offset,frn); | |
1302 printf("\tsth %s,%d(%s)\n",drn,offset,trn); | |
1303 break; | |
1304 case 4: case -4: | |
1305 printf("\tlwz %s,%d(%s)\n",drn,offset,frn); | |
1306 printf("\tstw %s,%d(%s)\n",drn,offset,trn); | |
1307 break; | |
1308 default: | |
1309 if (-MAX_COPY_LEN<length && length <0) { | |
1310 for(;length<=4;length+=4,offset-=4) | |
1311 emit_copy(from,to,4,offset,0,det); | |
1312 for(;length<=2;length+=2,offset-=2) | |
1313 emit_copy(from,to,2,offset,0,det); | |
1314 if(length>0) | |
1315 emit_copy(from,to,length,offset,0,det); | |
1316 break; | |
1317 } else if (length <=MAX_COPY_LEN) { | |
1318 for(;length>=4;length-=4,offset+=4) | |
1319 emit_copy(from,to,4,offset,0,det); | |
1320 for(;length>=2;length-=2,offset+=2) | |
1321 emit_copy(from,to,2,offset,0,det); | |
1322 if(length>0) | |
1323 emit_copy(from,to,length,offset,0,det); | |
1324 break; | |
1325 } | |
125 | 1326 clear_ptr_cache(); |
1327 code_save_stacks(); | |
1328 printf("\tli r5,%d\n",length); | |
1329 printf("\tmr r4,%s\n",frn); | |
1330 printf("\tmr r3,%s\n",trn); | |
1331 /* overrap must be allowed */ | |
1332 printf("\tbl L_%s$stub\n",memmove); | |
1333 extern_define(memmove,0,FUNCTION,1); | |
1334 fix=0; | |
207 | 1335 set_ireg(RET_REGISTER,0); |
125 | 1336 if (creg!=to) { |
1337 free_register(to); to = creg; | |
89 | 1338 } |
125 | 1339 break; |
89 | 1340 } |
1341 if (value) { | |
1342 /* creg must point top of the destination data */ | |
1343 /* this code is necessary for the value of assignment or function call */ | |
1344 /* otherwise we don't need this */ | |
1345 if (fix) printf("\taddi %s,%s,%d\n",trn,trn,fix); | |
1346 if(creg!=to) { | |
1347 free_register(creg); creg=to; | |
1348 } | |
1349 } | |
1350 free_register(dreg); | |
1351 } | |
1352 | |
1353 int | |
119 | 1354 struct_push(int e4,int t,int arg) |
89 | 1355 { |
95 | 1356 int length,count; |
119 | 1357 int dreg,sreg; char *drn,*crn,*srn; |
89 | 1358 g_expr(e4); |
1359 length=size(t); | |
1360 if(length%size_of_int) { | |
1361 length += size_of_int - (length%size_of_int); | |
1362 } | |
95 | 1363 dreg = get_register(); if (!dreg) error(-1); |
89 | 1364 drn = register_name(dreg); |
119 | 1365 crn = register_name(creg); |
125 | 1366 if (length<MAX_COPY_LEN) { |
1367 sreg = get_register(); if (!sreg) error(-1); | |
1368 srn = register_name(sreg); | |
1369 code_lvar(cadr(arg),sreg); | |
1370 for(count=0;length<MAX_COPY_LEN;count++,length-=size_of_int) { | |
1371 if (length==0) { | |
1372 free_register(sreg); | |
1373 free_register(dreg); | |
1374 return count; | |
1375 } else { | |
1376 printf("\tlwz %s,%d(%s)\n",drn,length-size_of_int,crn); | |
1377 printf("\tstwu %s,%d(%s)\n",drn,-size_of_int,srn); | |
1378 } | |
89 | 1379 } |
1380 } | |
125 | 1381 code_lvar(cadr(arg),dreg); |
89 | 1382 /* downward direction copy */ |
1383 emit_copy(creg,dreg,length,0,0,1); | |
119 | 1384 if (dreg) free_register(dreg); |
89 | 1385 return length/size_of_int; |
1386 } | |
1387 | |
104 | 1388 void |
207 | 1389 set_ireg(int reg,int mode) |
104 | 1390 { |
207 | 1391 if (!is_int_reg(reg)) error(-1); |
104 | 1392 if (reg!=creg) { |
111 | 1393 clear_ptr_cache_reg(reg); |
208 | 1394 if (ireg && reg!=ireg ) { |
1395 free_register(ireg); | |
1396 if (mode) { | |
1397 printf("\tmr %s,%s\n",register_name(reg),register_name(ireg)); | |
1398 } | |
206 | 1399 } |
104 | 1400 free_register(creg); |
208 | 1401 regs[reg]=USING_REG; |
104 | 1402 } |
206 | 1403 creg = ireg = reg; |
104 | 1404 } |
1405 | |
1406 void | |
1407 set_freg(int reg,int mode) | |
1408 { | |
207 | 1409 if (!is_float_reg(reg)) error(-1); |
147 | 1410 if (reg!=creg) { |
208 | 1411 if (reg!=freg) { |
1412 free_register(freg); | |
1413 if (mode) { | |
1414 printf("\tfmr %s,%s\n",fregister_name(reg),fregister_name(freg)); | |
1415 } | |
147 | 1416 } |
207 | 1417 if (creg!=ireg) free_register(creg); |
208 | 1418 regs[reg]=USING_REG; |
104 | 1419 } |
206 | 1420 creg = freg = reg; |
195 | 1421 } |
1422 | |
1423 void | |
1424 set_lreg(int reg,int mode) | |
1425 { | |
207 | 1426 if (!is_longlong_reg(reg)) error(-1); |
206 | 1427 if (reg!=creg) { |
208 | 1428 if (reg!=lreg) { |
1429 free_register(lreg); | |
1430 if (mode) { | |
1431 printf("\tmr %s,%s\n", | |
1432 lregister_name_low(reg),lregister_name_low(lreg)); | |
1433 printf("\tmr %s,%s\n", | |
1434 lregister_name_high(reg),lregister_name_high(lreg)); | |
1435 } | |
206 | 1436 } |
207 | 1437 regs[reg]=USING_REG; |
1438 regs[regv_l(reg)]=USING_REG; | |
1439 regs[regv_h(reg)]=USING_REG; | |
1440 if (creg!=ireg) free_register(creg); | |
208 | 1441 free_register(creg); |
206 | 1442 } |
208 | 1443 creg = freg = reg; |
104 | 1444 } |
1445 | |
1446 void | |
207 | 1447 use_reg(int arg) |
104 | 1448 { |
208 | 1449 printf("# use reg %d\n",arg); |
1450 if (arg<0||arg> REAL_MAX_REGISTER+REAL_MAX_FREGISTER+ REAL_MAX_LREGISTER) | |
1451 error(-1); | |
207 | 1452 regs[arg]=USING_REG; |
1453 if (is_longlong_reg(arg)) { | |
1454 regs[regv_l(arg)]=USING_REG; | |
1455 regs[regv_h(arg)]=USING_REG; | |
206 | 1456 } |
104 | 1457 } |
1458 | |
105 | 1459 void |
1460 code_save_input_registers() | |
1461 { | |
119 | 1462 int args; |
1463 NMTBL *n; | |
1464 int reg; | |
1465 int tag; | |
1466 int lvar; | |
1467 int t; | |
1468 /* fnptr->dsp=list4(type,fnptr->dsp,(int)n,0); */ | |
1469 int reg_offset = 0; | |
1470 int offset = 0; | |
1471 | |
1472 for(args = fnptr->dsp;args;args = cadr(args)) { | |
1473 n = (NMTBL *)caddr(args); | |
1474 tag = n->sc; | |
1475 reg = n->dsp; | |
1476 if (!n||n==&null_nptr) error(REG_ERR); | |
1477 if (tag==REGISTER) { | |
1478 /* regs[reg]==INPUT_REG case should be considered */ | |
1479 n->dsp = offset; | |
1480 offset+=size_of_int; | |
1481 t = INT; | |
1482 reg += reg_offset; /* for duplicated floating point argument */ | |
1483 } else if (tag==DREGISTER) { | |
145 | 1484 /* regs[reg]==INPUT_REG case should be considered */ |
119 | 1485 n->dsp = offset; |
120 | 1486 t = n->ty; |
121 | 1487 if(t==FLOAT) { offset+=size_of_float; reg_offset+=1; } |
1488 else if(t==DOUBLE) { offset+=size_of_double; reg_offset+=2; } | |
120 | 1489 else error(-1); |
206 | 1490 } else if (tag==LREGISTER) { |
1491 /* regs[reg]==INPUT_REG case should be considered */ | |
1492 n->dsp = offset; | |
1493 t = n->ty; | |
1494 offset+=size_of_longlong; reg_offset+=2; | |
122 | 1495 } else { |
1496 offset += size(n->ty); | |
119 | 1497 continue; |
122 | 1498 } |
119 | 1499 n->sc = LVAR; |
1500 lvar = list2(LVAR,n->dsp); | |
1501 g_expr_u(assign_expr0(list2(LVAR,n->dsp),list3(tag,reg,(int)n),n->ty,t)); | |
206 | 1502 if (tag==REGISTER||tag==DREGISTER||tag==FREGISTER||tag==LREGISTER) { |
119 | 1503 free_register(reg); |
1504 } | |
1505 } | |
121 | 1506 my_func_args = offset; |
105 | 1507 } |
1508 | |
95 | 1509 int |
108 | 1510 simple_args(int e3) |
1511 { | |
1512 return | |
1513 !contains_in_list(e3,FUNCTION) && | |
1514 !contains_in_list(e3,CONV) && | |
125 | 1515 !contains_in_list(e3,RSTRUCT) && |
164 | 1516 !contains_in_list(e3,STASS) |
108 | 1517 ; |
1518 } | |
1519 | |
119 | 1520 int |
1521 caller_arg_offset_v(int arg) | |
1522 { | |
1523 return ARG_LVAR_OFFSET+arg*size_of_int; | |
1524 } | |
111 | 1525 |
108 | 1526 int |
89 | 1527 function(int e1) |
1528 { | |
119 | 1529 int e2,e3,e4,e5,nargs,t,r0,r1; |
104 | 1530 int arg,reg_arg,freg_arg,arg_assign; |
136
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|
1531 int dots; |
111 | 1532 int reg_arg_list=0,ret_type,special_lvar; |
127 | 1533 NMTBL *fn = 0; |
108 | 1534 int jmp = 0; |
1535 char *jrn; | |
95 | 1536 |
111 | 1537 special_lvar = -1; |
136
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1538 ret_type = cadr(cadddr(e1)); |
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1539 if (ret_type==CHAR) ret_type=INT; |
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1540 |
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1541 /* check argments type is DOTS? */ |
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1542 t = caddr(cadddr(e1)); |
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1543 if (t==0 || t==DOTS) dots = 1; |
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1544 else { |
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1545 dots = 0; |
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1546 for(t = caddr(cadddr(e1));t;t = cadr(t)) { |
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1547 if (car(t)==DOTS) dots = 1; |
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1548 } |
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|
1549 } |
108 | 1550 |
1551 e2 = cadr(e1); | |
1552 if (car(e2) == FNAME) { | |
1553 fn=(NMTBL *)cadr(e2); | |
1554 } else { | |
1555 jmp = get_register_var(0); | |
1556 if (car(jmp)!=REGISTER) error(-1); | |
1557 reg_arg_list = list2(jmp,reg_arg_list); | |
116 | 1558 g_expr(e2); |
1559 code_register(creg,cadr(jmp)); | |
1560 /* g_expr(assign_expr0(jmp,e2,INT,INT)); functions are lvalue */ | |
108 | 1561 } |
1562 | |
99 | 1563 /* now all input register vars are free */ |
108 | 1564 code_save_stacks(); |
207 | 1565 set_lreg(LREG_LREGISTER,0); |
1566 set_ireg(CREG_REGISTER,0); | |
107 | 1567 set_freg(FREG_FREGISTER,0); |
108 | 1568 |
1569 nargs = reg_arg = freg_arg = arg_assign = 0; | |
105 | 1570 for (e3 = reverse0(caddr(e1)); e3; e3 = cadr(e3)) { |
89 | 1571 t=caddr(e3); |
111 | 1572 e4 = car(e3); |
89 | 1573 if(scalar(t)) { |
122 | 1574 if (reg_arg>=MAX_INPUT_REGISTER_VAR) { |
119 | 1575 arg = list2(LVAR,caller_arg_offset_v(nargs)); |
116 | 1576 } else if (!simple_args(e3) && cadr(e3)) { |
105 | 1577 arg = get_register_var(0); |
104 | 1578 arg_assign = list2( |
137 | 1579 assign_expr0(get_input_register_var(reg_arg,0,0), |
1580 arg,t,t), | |
104 | 1581 arg_assign); |
96 | 1582 } else { |
126 | 1583 arg = get_input_register_var(reg_arg,0,0); |
89 | 1584 } |
208 | 1585 if (car(arg)==REGISTER) use_reg(cadr(arg)); |
1586 /* protect from input register free */ | |
99 | 1587 reg_arg_list = list2(arg,reg_arg_list); |
1588 g_expr_u(assign_expr0(arg,e4,t,t)); | |
89 | 1589 nargs ++ ; reg_arg++; |
99 | 1590 continue; |
202 | 1591 } else if (t==LONGLONG||t==ULONGLONG) { |
206 | 1592 if (reg_arg>=MAX_INPUT_REGISTER_VAR) { |
1593 arg = list2(LVAR,caller_arg_offset_v(nargs)); | |
1594 } else if (!simple_args(e3) && cadr(e3)) { | |
1595 arg = get_register_var(0); | |
1596 arg_assign = list2( | |
1597 assign_expr0(get_input_lregister_var(reg_arg,0,0), | |
1598 arg,t,t), | |
1599 arg_assign); | |
1600 } else { | |
1601 arg = get_input_lregister_var(reg_arg,0,0); | |
1602 } | |
208 | 1603 if (car(arg)==LREGISTER) use_reg(cadr(arg)); |
206 | 1604 reg_arg_list = list2(arg,reg_arg_list); |
1605 g_expr_u(assign_expr0(arg,e4,t,t)); | |
1606 nargs ++ ; reg_arg++; | |
1607 nargs ++ ; reg_arg++; | |
202 | 1608 continue; |
89 | 1609 } else if (t==DOUBLE||t==FLOAT) { |
137 | 1610 if (reg_arg<MAX_INPUT_REGISTER_VAR) { |
119 | 1611 /* sigh... |
1612 printf requies floating value in integer registers | |
1613 */ | |
137 | 1614 if (dots) { |
1615 if (car(e4)==DRLVAR) { | |
1616 special_lvar = cadr(e4); | |
1617 e5 = list2(LVAR,special_lvar); | |
1618 } else { | |
1619 special_lvar = new_lvar(size_of_double); | |
1620 g_expr(assign_expr0( | |
1621 (e5=list2(LVAR,special_lvar)),e4,DOUBLE,t)); | |
1622 reg_arg_list = list2(e5,reg_arg_list); | |
1623 e4 = list2(DREGISTER,freg); | |
1624 /* freg should not change until XXX */ | |
1625 } | |
1626 r0=get_input_register_var(reg_arg,0,0); | |
1627 r1 = reg_arg+1+MIN_TMP_REG; | |
206 | 1628 if (regs[r1]==PTRC_REG) |
1629 clear_ptr_cache_reg(list2(REGISTER,r1)); | |
137 | 1630 /* else if (regs[r1]) error(-1); */ |
1631 r1=get_input_register_var_1(reg_arg+1,0,0); | |
208 | 1632 use_reg(cadr(r0)); /* protect from input register free */ |
1633 use_reg(cadr(r1)); /* protect from input register free */ | |
137 | 1634 reg_arg_list = list2(r0,reg_arg_list); |
1635 reg_arg_list = list2(r1,reg_arg_list); | |
1636 arg_assign = list2( assign_expr0(r0,e5,INT,INT), arg_assign); | |
1637 arg_assign = list2( assign_expr0(r1, | |
1638 list2(LVAR,special_lvar+size_of_int), | |
1639 INT,INT), arg_assign); | |
111 | 1640 } |
1641 reg_arg += 2; | |
1642 } | |
136
069960078249
remove redundant funcall argument for prototyped code in PowerPC case.
kono
parents:
135
diff
changeset
|
1643 if (dots && freg_arg>=4 && freg_arg<MAX_INPUT_DREGISTER_VAR) { |
119 | 1644 /* oh my god! |
1645 it requies integer register and floating register and | |
1646 stack value. You are crazy. | |
1647 */ | |
1648 arg_assign = list2( | |
1649 assign_expr0(list2(LVAR,caller_arg_offset_v(nargs)), | |
138 | 1650 get_input_dregister_var(freg_arg,0,0,1),t,t), |
119 | 1651 arg_assign); |
1652 } | |
122 | 1653 if (freg_arg>=MAX_INPUT_DREGISTER_VAR) { |
119 | 1654 arg = list2(LVAR,caller_arg_offset_v(nargs)); |
137 | 1655 } else if (!simple_args(e3) && cadr(e3)) { |
138 | 1656 arg = get_dregister_var(0,1); |
104 | 1657 arg_assign = list2( |
138 | 1658 assign_expr0(get_input_dregister_var(freg_arg,0,0,1), |
137 | 1659 arg,t,t), |
104 | 1660 arg_assign); |
99 | 1661 } else { |
138 | 1662 arg = get_input_dregister_var(freg_arg,0,0,1); |
99 | 1663 } |
208 | 1664 if (car(arg)==DREGISTER) |
1665 use_reg(cadr(arg)); /* protect from input register free */ | |
99 | 1666 reg_arg_list = list2(arg,reg_arg_list); |
118 | 1667 g_expr_u(assign_expr0(arg,e4,t,t)); /* XXX */ |
99 | 1668 freg_arg++; |
122 | 1669 nargs += size(t)/size_of_int; |
89 | 1670 continue; |
203 | 1671 } else if (t>=0&&(car(t)==STRUCT||car(t)==UNION)) { |
119 | 1672 arg = list2(LVAR,caller_arg_offset_v(nargs)); |
1673 nargs += struct_push(e4,t,arg); | |
89 | 1674 continue; |
1675 } else { | |
1676 error(TYERR); | |
1677 } | |
1678 ++nargs; | |
1679 } | |
116 | 1680 if (max_func_args<nargs) max_func_args=nargs; |
104 | 1681 for(;arg_assign;arg_assign=cadr(arg_assign)) { |
1682 g_expr_u(car(arg_assign)); | |
1683 } | |
96 | 1684 clear_ptr_cache(); |
89 | 1685 if (car(e2) == FNAME) { |
108 | 1686 printf("\tbl\tL_%s$stub\n",fn->nm); |
89 | 1687 } else { |
108 | 1688 jrn = register_name(cadr(jmp)); |
89 | 1689 printf("\tmtctr %s\n",jrn); |
1690 printf("\tbctrl\n"); | |
1691 } | |
99 | 1692 for(;reg_arg_list;reg_arg_list=cadr(reg_arg_list)) { |
108 | 1693 arg = car(reg_arg_list); |
206 | 1694 if (car(arg)==REGISTER||car(arg)==DREGISTER||car(arg)==FREGISTER |
1695 ||car(arg)==LREGISTER) | |
147 | 1696 free_register(cadr(arg)); |
119 | 1697 else if (car(arg)==LVAR&&cadr(arg)<0) free_lvar(cadr(arg)); |
99 | 1698 } |
105 | 1699 if (ret_type==DOUBLE||ret_type==FLOAT) { |
104 | 1700 set_freg(RET_FREGISTER,0); |
206 | 1701 } else if (ret_type==ULONGLONG||ret_type==LONGLONG) { |
1702 set_lreg(RET_LREGISTER,0); | |
207 | 1703 use_reg(RET_LREGISTER); |
105 | 1704 } else if (ret_type==VOID) { |
96 | 1705 } else { |
207 | 1706 set_ireg(RET_REGISTER,0); |
96 | 1707 } |
105 | 1708 return ret_type; |
89 | 1709 } |
1710 | |
1711 void | |
1712 code_frame_pointer(int e3) { | |
128 | 1713 #if R1SAVE |
1714 printf("\tmr r1,%s\n",register_name(e3)); | |
1715 #else | |
126 | 1716 printf("\tmr r30,%s\n",register_name(e3)); |
128 | 1717 #endif |
89 | 1718 } |
1719 | |
1720 | |
1721 void | |
1722 code_fix_frame_pointer(int disp_offset) { | |
128 | 1723 int l = 0; |
1724 printf("\tla r30,"); | |
1725 printf("lo16(%d+L_%d)(r30)\n",FUNC_LVAR,lvar_offset_label); | |
89 | 1726 } |
1727 | |
1728 void | |
1729 code_jmp(char *s) { | |
128 | 1730 max_reg_var = REG_VAR_BASE-REG_VAR_MIN; |
1731 max_freg_var = FREG_VAR_BASE-FREG_VAR_MIN; | |
89 | 1732 printf("\tb L_%s$stub\n",s); |
1733 } | |
1734 | |
1735 | |
1736 void | |
1737 code_indirect_jmp(int e2) { | |
128 | 1738 max_reg_var = REG_VAR_BASE-REG_VAR_MIN; |
1739 max_freg_var = FREG_VAR_BASE-FREG_VAR_MIN; | |
89 | 1740 printf("\tmtctr %s\n",register_name(e2)); |
1741 printf("\tbctr\n"); | |
1742 } | |
1743 | |
95 | 1744 int |
196 | 1745 code_rindirect(int e1, int offset, int us) |
89 | 1746 { |
95 | 1747 char *crn; |
196 | 1748 g_expr(e1); |
90 | 1749 crn=register_name(creg); |
196 | 1750 printf("\tlwz %s,%d(%s)\n",crn,offset,crn); |
206 | 1751 return us?UNSIGNED:INT; |
196 | 1752 } |
1753 | |
1754 int | |
1755 code_crindirect(int e1, int offset, int us) | |
1756 { | |
1757 char *crn; | |
1758 g_expr(e1); | |
1759 crn=register_name(creg); | |
1760 if (us) { | |
1761 printf("\tlbz %s,%d(%s)\n",crn,offset,crn); | |
1762 return UCHAR; | |
1763 } else { | |
119 | 1764 printf("\tlbz %s,%d(%s)\n",crn,offset,crn); |
90 | 1765 printf("\textsb %s,%s\n",crn,crn); |
95 | 1766 return CHAR; |
196 | 1767 } |
1768 } | |
1769 | |
1770 int | |
1771 code_srindirect(int e1, int offset, int us) | |
1772 { | |
1773 char *crn; | |
1774 g_expr(e1); | |
1775 crn=register_name(creg); | |
1776 if (us) { | |
1777 printf("\tlhz %s,%d(%s)\n",crn,offset,crn); | |
1778 return USHORT; | |
1779 } else { | |
165 | 1780 printf("\tlhz %s,%d(%s)\n",crn,offset,crn); |
1781 printf("\textsh %s,%s\n",crn,crn); | |
1782 return SHORT; | |
89 | 1783 } |
1784 } | |
1785 | |
196 | 1786 #if FLOAT_CODE |
1787 int | |
1788 code_drindirect(int e1, int offset, int d) | |
1789 { | |
1790 char *crn; | |
1791 g_expr(e1); | |
1792 crn=register_name(creg); | |
209 | 1793 creg = d?use_double(creg):use_float(creg); |
196 | 1794 printf("\t%s %s,%d(%s)\n",fload(d), |
1795 fregister_name(freg),offset,crn); | |
206 | 1796 return d?DOUBLE:FLOAT; |
196 | 1797 } |
1798 #endif | |
1799 | |
1800 #if LONGLONG_CODE | |
1801 int | |
1802 code_lrindirect(int e1, int offset, int us) | |
1803 { | |
1804 char *crn; | |
1805 g_expr(e1); | |
1806 crn=register_name(creg); | |
206 | 1807 if (!lreg) lreg = get_lregister(); |
1808 printf("\tlwz %s,%d(%s)\n",crn,offset,lregister_name_low(lreg)); | |
1809 printf("\tlwz %s,%d(%s)\n",crn,offset+size_of_int,lregister_name_high(lreg)); | |
1810 creg = lreg; | |
1811 return us?ULONGLONG:LONGLONG; | |
196 | 1812 } |
1813 #endif | |
1814 | |
1815 | |
89 | 1816 void |
103 | 1817 code_assign_gvar(int e2,int creg,int byte) { |
90 | 1818 int r; |
1819 char *crn,*rrn; | |
109 | 1820 r = get_ptr_cache((NMTBL*)cadr(e2)); |
90 | 1821 rrn=register_name(r); |
1822 crn=register_name(creg); | |
165 | 1823 if (byte==1) { |
108 | 1824 printf("\tstb %s,0(%s)\n",crn,rrn); |
165 | 1825 } else if (byte==size_of_short) { |
1826 printf("\tsth %s,0(%s)\n",crn,rrn); | |
90 | 1827 } else { |
108 | 1828 printf("\tstw %s,0(%s)\n",crn,rrn); |
90 | 1829 } |
89 | 1830 } |
1831 | |
1832 void | |
103 | 1833 code_assign_lvar(int e2,int creg,int byte) { |
90 | 1834 char *crn; |
1835 crn=register_name(creg); | |
119 | 1836 lvar_intro(e2); |
165 | 1837 if (byte==1) { |
1838 printf("\tstb %s,",crn); | |
1839 } else if (byte==size_of_short) { | |
1840 printf("\tsth %s,",crn); | |
90 | 1841 } else { |
165 | 1842 printf("\tstw %s,",crn); |
90 | 1843 } |
165 | 1844 lvar(e2); |
89 | 1845 } |
1846 | |
1847 void | |
111 | 1848 code_assign_register(int e2,int byte,int creg) { |
104 | 1849 if (e2!=creg) |
1850 printf("\tmr %s,%s\n",register_name(e2),register_name(creg)); | |
89 | 1851 } |
1852 | |
1853 void | |
118 | 1854 code_assign(int e2,int byte,int creg) { |
95 | 1855 char *drn=register_name(e2); |
1856 char *crn=register_name(creg); | |
1857 | |
165 | 1858 if (byte==1) { |
108 | 1859 printf("\tstb %s,0(%s)\n",crn,drn); |
165 | 1860 } else if (byte==size_of_short) { |
1861 printf("\tsth %s,0(%s)\n",crn,drn); | |
90 | 1862 } else { |
108 | 1863 printf("\tstw %s,0(%s)\n",crn,drn); |
90 | 1864 } |
89 | 1865 } |
1866 | |
1867 | |
1868 void | |
1869 code_register_assop(int e2,int op,int byte) { | |
1870 int reg; | |
1871 int xreg = creg; | |
1872 creg = reg = e2; | |
1873 tosop(op,xreg); | |
1874 creg = xreg; | |
104 | 1875 if (creg!=reg) |
1876 printf("\tmr %s,%s\n",register_name(creg),register_name(reg)); | |
89 | 1877 } |
1878 | |
1879 | |
1880 void | |
162 | 1881 code_assop(int op,int byte,int sign) { |
90 | 1882 char *xrn,*crn,*drn; |
89 | 1883 int xreg; |
90 | 1884 int edx = get_register(); if(!edx) error(-1); |
93 | 1885 xrn = register_name(xreg = emit_pop(0)); /* pop e3 value */ |
113 | 1886 printf("# assop\n\tmr %s,%s\n",register_name(edx),register_name(creg)); |
162 | 1887 ld_indexx(byte,0,edx,sign); |
89 | 1888 tosop(op,xreg); |
90 | 1889 crn = register_name(creg); |
1890 drn = register_name(edx); | |
165 | 1891 if (byte==1) { |
108 | 1892 printf("\tstb %s,0(%s)\n",crn,drn); |
165 | 1893 } else if (byte==size_of_short) { |
1894 printf("\tsth %s,0(%s)\n",crn,drn); | |
90 | 1895 } else { |
108 | 1896 printf("\tstw %s,0(%s)\n",crn,drn); |
90 | 1897 } |
1898 free_register(edx); | |
89 | 1899 emit_pop_free(xreg); |
1900 } | |
1901 | |
1902 | |
1903 void | |
1904 tosop(int op,int oreg) | |
1905 { | |
1906 int dx; | |
95 | 1907 char *orn,*crn,*drn; |
89 | 1908 |
103 | 1909 if(oreg==-1) { |
1910 error(-1); | |
1911 } else if (oreg<= -REG_LVAR_OFFSET) { | |
104 | 1912 dx = get_register(); if (dx<0) error(-1); |
119 | 1913 code_rlvar(oreg+REG_LVAR_OFFSET,dx); |
104 | 1914 oreg = dx; |
103 | 1915 } |
1916 | |
89 | 1917 switch(op) { |
1918 case LSHIFT: | |
1919 case ULSHIFT: | |
90 | 1920 shift("slw",oreg); |
89 | 1921 return; |
1922 case RSHIFT: | |
186 | 1923 shift("sraw",oreg); |
89 | 1924 return; |
1925 case URSHIFT: | |
186 | 1926 shift("srw",oreg); |
89 | 1927 return; |
1928 } | |
93 | 1929 orn = register_name(oreg); |
89 | 1930 crn = register_name(creg); |
1931 switch(op) { | |
1932 case ADD: | |
114 | 1933 printf("\tadd %s,%s,%s\n",crn,crn,orn); |
89 | 1934 break; |
1935 case SUB: | |
114 | 1936 printf("\tsub %s,%s,%s\n",crn,crn,orn); |
89 | 1937 break; |
112 | 1938 case CMP: |
113 | 1939 printf("\tcmpw cr0,%s,%s\n",crn,orn); |
112 | 1940 break; |
89 | 1941 case BAND: |
114 | 1942 printf("\tand %s,%s,%s\n",crn,crn,orn); |
89 | 1943 break; |
1944 case EOR: | |
114 | 1945 printf("\txor %s,%s,%s\n",crn,crn,orn); |
89 | 1946 break; |
1947 case BOR: | |
114 | 1948 printf("\tor %s,%s,%s\n",crn,crn,orn); |
89 | 1949 break; |
1950 case MUL: | |
116 | 1951 printf("\tmullw %s,%s,%s\n",crn,crn,orn); |
1952 break; | |
89 | 1953 case UMUL: |
114 | 1954 printf("\tmullw %s,%s,%s\n",crn,crn,orn); |
89 | 1955 break; |
1956 case DIV: | |
114 | 1957 printf("\tdivw %s,%s,%s\n",crn,crn,orn); |
90 | 1958 break; |
89 | 1959 case UDIV: |
114 | 1960 printf("\tdivwu %s,%s,%s\n",crn,crn,orn); |
89 | 1961 break; |
1962 case MOD: | |
90 | 1963 dx=get_register(); |
95 | 1964 drn = register_name(dx); |
116 | 1965 printf("\tdivw %s,%s,%s\n",drn,crn,orn); |
1966 printf("\tmullw %s,%s,%s\n",drn,drn,orn); | |
1967 printf("\tsubf %s,%s,%s\n",crn,drn,crn); | |
114 | 1968 free_register(dx); |
90 | 1969 break; |
89 | 1970 case UMOD: |
90 | 1971 dx=get_register(); |
95 | 1972 drn = register_name(dx); |
114 | 1973 printf("\tdivwu %s,%s,%s\n",drn,crn,orn); |
116 | 1974 printf("\tmullw %s,%s,%s\n",drn,drn,orn); |
1975 printf("\tsubf %s,%s,%s\n",crn,drn,crn); | |
114 | 1976 free_register(dx); |
89 | 1977 break; |
112 | 1978 default: |
1979 error(-1); | |
89 | 1980 } |
95 | 1981 if(oreg!=creg) free_register(oreg); |
89 | 1982 } |
1983 | |
189 | 1984 int |
1985 code_const_op_p(int op,int v) | |
1986 { | |
1987 if (op==BAND||op==DIV||op==UDIV||op==MOD||op==UMOD) return 0; | |
1988 return (-127<v&&v<128); | |
1989 } | |
1990 | |
1991 void | |
1992 oprtc(int op,int v) | |
1993 { | |
1994 char *crn = register_name(creg); | |
1995 | |
1996 switch(op) { | |
1997 case LSHIFT: | |
1998 case ULSHIFT: | |
1999 printf("\tslwi %s,%s,%d\n",crn,crn,v); | |
2000 return; | |
2001 case RSHIFT: | |
2002 printf("\tsrawi %s,%s,%d\n",crn,crn,v); | |
2003 return; | |
2004 case URSHIFT: | |
2005 printf("\tsrwi %s,%s,%d\n",crn,crn,v); | |
2006 return; | |
2007 case ADD: | |
2008 printf("\taddi %s,%s,lo16(%d)\n",crn,crn,v); | |
2009 break; | |
2010 case SUB: | |
2011 printf("\tsubi %s,%s,lo16(%d)\n",crn,crn,v); | |
2012 break; | |
2013 case CMP: | |
2014 printf("\tcmpwi cr0,%s,lo16(%d)\n",crn,v); | |
2015 break; | |
2016 case EOR: | |
2017 printf("\txori %s,%s,lo16(%d)\n",crn,crn,v); | |
2018 break; | |
2019 case BOR: | |
2020 printf("\tori %s,%s,lo16(%d)\n",crn,crn,v); | |
2021 break; | |
2022 case MUL: | |
2023 printf("\tmulli %s,%s,lo16(%d)\n",crn,crn,v); | |
2024 break; | |
2025 case UMUL: | |
2026 printf("\tmulli %s,%s,lo16(%d)\n",crn,crn,v); | |
2027 break; | |
2028 default: | |
2029 error(-1); | |
2030 } | |
2031 } | |
89 | 2032 |
2033 void | |
2034 shift(char *op, int reg) | |
2035 { | |
93 | 2036 char *crn = register_name(creg); |
2037 char *rrn = register_name(reg); | |
186 | 2038 printf("\t%s %s,%s,%s\n",op,crn,crn,rrn); |
89 | 2039 } |
2040 | |
2041 void | |
162 | 2042 ld_indexx(int byte, int n, int xreg,int sign) |
89 | 2043 { |
95 | 2044 char *crn = register_name(creg); |
165 | 2045 if (byte==1) { |
95 | 2046 printf("\tlbz %s,%d(%s)\n",register_name(creg),n, |
90 | 2047 register_name(xreg)); |
162 | 2048 if (sign) |
2049 printf("\textsb %s,%s\n",crn,crn); | |
165 | 2050 } else if (byte==size_of_short) { |
2051 printf("\tlhz %s,%d(%s)\n",register_name(creg),n, | |
2052 register_name(xreg)); | |
2053 if (sign) | |
2054 printf("\textsh %s,%s\n",crn,crn); | |
90 | 2055 } else |
95 | 2056 printf("\tlwz %s,%d(%s)\n",register_name(creg),n, |
90 | 2057 register_name(xreg)); |
89 | 2058 } |
2059 | |
95 | 2060 int |
2061 code_csvalue() | |
2062 { | |
2063 return creg; | |
2064 } | |
2065 | |
89 | 2066 void |
95 | 2067 code_cmpdimm(int e, int csreg) |
89 | 2068 { |
2069 /* used in dosiwtch() */ | |
2070 if(chk) return; | |
108 | 2071 printf("\tcmpwi cr0,%s,%d\n",register_name(csreg),e); |
89 | 2072 } |
2073 | |
2074 void | |
2075 code_opening(char *filename) | |
2076 { | |
2077 printf("\t.file \"%s\"\n",filename); | |
108 | 2078 /* printf("\t.version\t\"01.01\"\n"); */ |
89 | 2079 /* printf("gcc2_compiled.:\n"); */ |
2080 printf(".text\n"); | |
2081 } | |
2082 | |
2083 void | |
95 | 2084 rexpr(int e1, int l1, char *s,int t) |
89 | 2085 { |
90 | 2086 g_expr(list3(CMP,cadr(e1),caddr(e1))); |
102 | 2087 printf("\tb%s cr0,L_%d\n",s,l1); |
89 | 2088 } |
2089 | |
2090 | |
2091 void | |
2092 jcond(int l, char cond) | |
2093 { | |
2094 if (chk) return; | |
102 | 2095 printf("\tb%s cr0,L_%d\n",cond?"ne":"eq",l); |
89 | 2096 } |
2097 | |
2098 void | |
2099 jmp(int l) | |
2100 { | |
2101 control=0; | |
2102 if (chk) return; | |
102 | 2103 printf("\tb\tL_%d\n",l); |
89 | 2104 } |
2105 | |
2106 void | |
2107 gen_comment(char *s) | |
2108 { | |
2109 if (chk) return; | |
2110 printf("## %s",s); | |
2111 } | |
2112 | |
2113 void | |
2114 code_enter(char *name) | |
2115 { | |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2116 if (output_mode!=TEXT_EMIT_MODE) |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2117 text_mode(); |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2118 else |
108 | 2119 printf("\t.align 2\n"); |
89 | 2120 if (stmode!=STATIC) |
102 | 2121 printf(".globl _%s\n",name); |
126 | 2122 #ifdef DOT_SIZE |
89 | 2123 printf("\t.type\t%s,@function\n",name); |
126 | 2124 #endif |
101 | 2125 printf("_%s:\n",name); |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2126 code_disp_label=fwdlabel(); |
128 | 2127 printf("\tla r1,lo16(L_%d)(r30)\n",code_disp_label); |
126 | 2128 printf("\tbcl 20,31,L_%d\n",code_base = fwdlabel()); |
2129 fwddef(code_base); | |
2130 printf("\tmflr r31\n"); | |
119 | 2131 max_func_args = 0; |
89 | 2132 } |
2133 | |
2134 | |
2135 void | |
2136 code_enter1(int args) | |
2137 { | |
207 | 2138 set_lreg(LREG_LREGISTER,0); |
2139 set_ireg(CREG_REGISTER,0); | |
106 | 2140 set_freg(FREG_FREGISTER,0); |
89 | 2141 } |
2142 | |
2143 void | |
2144 code_leave(char *name) | |
2145 { | |
128 | 2146 int r1_offsetv; |
89 | 2147 disp&= -size_of_int; |
128 | 2148 r1_offsetv = -disp+max_func_args*size_of_int+code_disp_offset; |
2149 | |
2150 printf(".set L_%d,%d\n",code_disp_label,-r1_offsetv); | |
89 | 2151 local_table(); |
208 | 2152 // free_all_register(); |
89 | 2153 } |
2154 | |
2155 void | |
2156 enter(char *name) | |
2157 { | |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2158 if (output_mode!=TEXT_EMIT_MODE) |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2159 text_mode(); |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2160 else |
108 | 2161 printf("\t.align 2\n"); |
89 | 2162 if (stmode!=STATIC) |
101 | 2163 printf(".globl _%s\n",name); |
108 | 2164 /* |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2165 printf("\t.type\t%s,@function\n",name); |
108 | 2166 */ |
101 | 2167 printf("_%s:\n",name); |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2168 code_setup=fwdlabel(); |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2169 printf("\tmflr r0\n"); |
102 | 2170 printf("\tbl L_%d\n",code_setup); |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2171 code_base=fwdlabel(); |
111 | 2172 fwddef(code_base); |
116 | 2173 r1_offset_label = fwdlabel(); |
2174 lvar_offset_label = fwdlabel(); | |
2175 printf("\tstwu r1,lo16(-L_%d)(r1)\n",r1_offset_label); | |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2176 printf("\tmr r30,r1\n"); |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2177 printf("\tmflr r31\n"); |
116 | 2178 max_func_args = 0; |
89 | 2179 } |
2180 | |
2181 void | |
2182 enter1() | |
2183 { | |
182 | 2184 text_mode(); |
208 | 2185 // set_lreg(LREG_LREGISTER,0); |
207 | 2186 set_ireg(CREG_REGISTER,0); |
106 | 2187 set_freg(FREG_FREGISTER,0); |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2188 } |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2189 |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2190 int |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2191 reg_save_offset() |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2192 { |
108 | 2193 return -( |
116 | 2194 (REAL_MAX_REGISTER-(REG_VAR_BASE-max_reg_var))*size_of_int+ |
108 | 2195 (REAL_MAX_FREGISTER-(FREG_VAR_BASE-max_freg_var))*size_of_double |
2196 ); | |
89 | 2197 } |
2198 | |
2199 void | |
2200 leave(int control, char *name) | |
2201 { | |
130 | 2202 int retcont1=0,sz; |
128 | 2203 |
2204 if (max_freg_var>=0 && max_freg_var<=3) max_freg_var=3; | |
2205 reg_save = reg_save_offset(); | |
111 | 2206 |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
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parents:
99
diff
changeset
|
2207 if (control) { |
108 | 2208 code_set_return_register(1); |
89 | 2209 } |
126 | 2210 if (retcont) { |
2211 if (control) jmp(retlabel); | |
128 | 2212 retcont1 = fwdlabel(); |
126 | 2213 fwddef(retcont); |
2214 if (cadr(fnptr->ty)==FLOAT||cadr(fnptr->ty)==DOUBLE) { | |
2215 printf("\tfmr f1,f31\n"); | |
128 | 2216 } else if (cadr(fnptr->ty)>0&&( |
2217 car(cadr(fnptr->ty))==STRUCT || | |
2218 car(cadr(fnptr->ty))==UNION)) { | |
2219 sz = size(cadr(fnptr->ty)); | |
2220 printf("\tli r7,%d\n",sz); | |
2221 printf("\tsubl r6,r7,r30\n"); | |
2222 printf("\tlwz r3,lo16(%d)(r30)\n",(my_func_args-1)*size_of_int); | |
2223 emit_copy(6,3,sz,0,1,1); | |
126 | 2224 } else if (cadr(fnptr->ty)!=VOID) { |
2225 printf("\tmr r3,r29\n"); | |
2226 } | |
128 | 2227 #if !R1SAVE |
2228 printf("\tla r1,lo16(%d)(r30)\n", | |
2229 -reg_save+my_func_args*size_of_int); | |
2230 #endif | |
2231 printf("\tb L_%d\n",retcont1); | |
126 | 2232 } |
89 | 2233 fwddef(retlabel); |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2234 printf("\tlwz r1,0(r1)\n"); |
128 | 2235 if (retcont) { |
2236 fwddef(retcont1); | |
2237 } | |
110 | 2238 if (max_freg_var>=0) { |
2239 printf("\tlmw r%d,%d(r1)\n", | |
111 | 2240 REG_VAR_BASE-max_reg_var,reg_save); |
2241 freg_save = 72-(REAL_MAX_FREGISTER-(FREG_VAR_BASE-max_freg_var))*4; | |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2242 printf("\tb restFP+%d ; restore f%d-f31\n", |
111 | 2243 freg_save, |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2244 FREG_VAR_BASE-max_freg_var); |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2245 } else { |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2246 printf("\tlwz r0,8(r1)\n"); |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2247 printf("\tmtlr r0\n"); |
110 | 2248 printf("\tlmw r%d,%d(r1)\n", |
116 | 2249 REG_VAR_BASE-max_reg_var,reg_save); |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2250 printf("\tblr\n"); |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
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parents:
99
diff
changeset
|
2251 } |
89 | 2252 |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2253 disp &= -size_of_int; |
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2254 fwddef(code_setup); |
110 | 2255 printf("\tstmw r%d,%d(r1)\n", |
116 | 2256 REG_VAR_BASE-max_reg_var,reg_save); |
110 | 2257 printf("\tstw r0,8(r1)\n"); |
2258 if (max_freg_var>=0) | |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2259 printf("\tb saveFP+%d ; save f%d-f31\n", |
111 | 2260 freg_save, |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2261 FREG_VAR_BASE-max_freg_var); |
110 | 2262 else { |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2263 printf("\tblr\n"); |
110 | 2264 } |
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
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parents:
99
diff
changeset
|
2265 |
116 | 2266 code_offset_set(); |
89 | 2267 local_table(); |
2268 labelno++; | |
208 | 2269 // free_all_register(); |
89 | 2270 } |
2271 | |
2272 | |
2273 void | |
107 | 2274 code_set_return_register(int mode) { |
111 | 2275 if (cadr(fnptr->ty)==DOUBLE||cadr(fnptr->ty)==FLOAT) { |
107 | 2276 set_freg(RET_FREGISTER,mode); |
206 | 2277 } else if (cadr(fnptr->ty)==LONGLONG||cadr(fnptr->ty)==ULONGLONG) { |
2278 set_lreg(RET_LREGISTER,mode); | |
147 | 2279 } else if (cadr(fnptr->ty)==VOID) { |
103 | 2280 } else { |
207 | 2281 set_ireg(RET_REGISTER,mode); |
103 | 2282 } |
89 | 2283 } |
2284 | |
187 | 2285 int |
2286 code_get_fixed_creg(int reg,int type) { | |
2287 return creg; | |
2288 } | |
2289 | |
89 | 2290 void |
187 | 2291 code_set_fixed_creg(int reg,int mode,int type) { |
108 | 2292 if (type==FLOAT||type==DOUBLE) { |
187 | 2293 set_freg(reg,mode); |
206 | 2294 } else if (type==LONGLONG||type==ULONGLONG) { |
195 | 2295 set_lreg(reg,mode); |
207 | 2296 use_reg(reg); |
108 | 2297 } else { |
207 | 2298 set_ireg(reg,mode); |
108 | 2299 } |
107 | 2300 } |
2301 | |
2302 void | |
89 | 2303 gen_gdecl(char *n, int gpc) |
2304 { | |
102 | 2305 /* |
89 | 2306 if (stmode!=STATIC) |
99 | 2307 printf(".globl _%s\n",n); |
102 | 2308 */ |
89 | 2309 } |
2310 | |
2311 void | |
2312 align(int t) | |
2313 { | |
2314 if (t!=CHAR) { | |
2315 if (data_alignment & 1) | |
2316 printf("\t.align 2\n"); | |
2317 data_alignment = 0; | |
2318 } | |
2319 } | |
2320 | |
2321 void | |
2322 emit_data(int e, int t, NMTBL *n) | |
2323 { | |
2324 int l; | |
195 | 2325 #if FLOAT_CODE |
89 | 2326 double d; |
2327 float f; | |
195 | 2328 #endif |
206 | 2329 #if LONGLONG_CODE |
2330 long long ll; | |
2331 #endif | |
89 | 2332 char *name; |
2333 name = n->nm; | |
156 | 2334 if(mode!=GDECL && mode!=STADECL) { |
89 | 2335 error(-1); return; |
2336 } | |
2337 if (chk) return; | |
2338 if (n->dsp != -1) { | |
2339 n->dsp = -1; /* initiallized flag */ | |
102 | 2340 printf(".globl\t_%s\n",name); |
89 | 2341 data_mode(name); |
2342 align(t); | |
102 | 2343 printf("_%s:\n",name); |
89 | 2344 } else { |
2345 data_mode(0); | |
2346 } | |
2347 if(car(e)==CONST) { | |
168 | 2348 if (t==CHAR||t==UCHAR) { |
89 | 2349 printf("\t.byte %d\n",cadr(e)); |
2350 if (data_alignment>0) | |
2351 data_alignment++; | |
2352 gpc += 1; | |
168 | 2353 } else if (t==SHORT||t==USHORT) { |
2354 printf("\t.short %d\n",cadr(e)); | |
89 | 2355 if (data_alignment>0) data_alignment++; |
168 | 2356 gpc += size_of_short; |
89 | 2357 } else { |
2358 printf("\t.long %d\n",cadr(e)); | |
2359 gpc += size_of_int; | |
2360 } | |
195 | 2361 #if LONGLONG_CODE |
206 | 2362 } else if(t==LONGLONG||t==ULONGLONG) { |
2363 ll = lcadr(e); | |
2364 printf("\t.long\t0x%x,0x%x\n",code_l2(ll),code_l1(ll)); | |
195 | 2365 #endif |
2366 #if FLOAT_CODE | |
89 | 2367 } else if(t==DOUBLE) { |
2368 d = dcadr(e); | |
99 | 2369 printf("\t.long\t0x%x,0x%x\n",code_d2(d),code_d1(d)); |
89 | 2370 } else if(t==FLOAT) { |
2371 f = dcadr(e); | |
2372 printf("\t.long\t0x%x\n",*(int *)&f); | |
195 | 2373 #endif |
89 | 2374 } else if(t!=CHAR) { |
2375 gpc += size_of_int; | |
2376 if(car(e)==ADDRESS&&car(cadr(e))==GVAR) { | |
116 | 2377 printf("\t.long _%s\n",((NMTBL *)cadr(cadr(e)))->nm); |
89 | 2378 } else if(car(e)==FNAME) { |
116 | 2379 printf("\t.long _%s\n",((NMTBL *)cadr(e))->nm); |
109 | 2380 } else if(car(e)==GVAR) { |
116 | 2381 printf("\t.long _%s\n",((NMTBL *)cadr(e))->nm); |
89 | 2382 } else if(car(e)==STRING) { |
2383 if (car(n->ty)!=ARRAY || cadr(n->ty)!=CHAR) { | |
2384 l = fwdlabel(); | |
102 | 2385 printf("\t.long L_%d\n",l); |
108 | 2386 printf(".cstring\n\t.align 2\n"); |
102 | 2387 printf("L_%d:\n",l); |
89 | 2388 output_mode = RODATA_EMIT_MODE; |
2389 } | |
2390 ascii((char *)cadr(e)); | |
2391 } else error(TYERR); | |
168 | 2392 } else error(TYERR); |
89 | 2393 } |
2394 | |
2395 void | |
2396 emit_data_closing(NMTBL *n) | |
2397 { | |
126 | 2398 #ifdef DOT_SIZE |
89 | 2399 int lb; |
126 | 2400 #endif |
89 | 2401 if (chk) return; |
2402 if (mode==GDECL) { | |
2403 data_mode(0); | |
126 | 2404 #ifdef DOT_SIZE |
89 | 2405 lb=fwdlabel(); |
102 | 2406 printf("L_%d:\n",lb); |
2407 printf("\t.size\t%s,L_%d-%s\n",n->nm,lb,n->nm); | |
126 | 2408 #endif |
89 | 2409 } |
2410 } | |
2411 | |
2412 void | |
2413 global_table(void) | |
2414 { | |
2415 NMTBL *n; | |
98 | 2416 int init; char *extrn; |
89 | 2417 init=0; |
2418 for(n=ntable;n < &ntable[GSYMS];n++) { | |
109 | 2419 if ((n->sc == GVAR) && n->dsp != -1) { |
89 | 2420 /* n->dsp = -1 means initialized global */ |
2421 if (init==0) { | |
2422 data_mode(0); | |
2423 init=1; | |
2424 } | |
97 | 2425 printf(".comm _%s,%d\n",n->nm,size(n->ty)); |
109 | 2426 } else if ((n->sc==STATIC) && n->dsp != -1) { |
2427 /* n->dsp = -1 means initialized global */ | |
2428 if (init==0) { | |
2429 data_mode(0); | |
2430 init=1; | |
2431 } | |
2432 printf(".lcomm _%s,%d\n",n->nm,size(n->ty)); | |
97 | 2433 } |
2434 } | |
2435 for(n=ntable;n < &ntable[GSYMS];n++) { | |
103 | 2436 if (is_code(n)||is_function(n)) { |
97 | 2437 extrn = n->nm; |
103 | 2438 if (n->sc==EXTRN1) { |
2439 data_mode(0); | |
2440 printf(".picsymbol_stub\n"); | |
97 | 2441 printf("L_%s$stub:\n",extrn); |
2442 printf("\t.indirect_symbol _%s\n",extrn); | |
2443 printf("\tmflr r0\n"); | |
2444 printf("\tbcl 20,31,L0$_%s\n",extrn); | |
2445 printf("L0$_%s:\n",extrn); | |
2446 printf("\tmflr r11\n"); | |
2447 printf("\taddis r11,r11,ha16(L_%s$lazy_ptr-L0$_%s)\n",extrn,extrn); | |
2448 printf("\tmtlr r0\n"); | |
2449 printf("\tlwz r12,lo16(L_%s$lazy_ptr-L0$_%s)(r11)\n",extrn,extrn); | |
2450 printf("\tmtctr r12\n"); | |
2451 printf("\taddi r11,r11,lo16(L_%s$lazy_ptr-L0$_%s)\n",extrn,extrn); | |
2452 printf("\tbctr\n"); | |
2453 printf(".data\n"); | |
2454 printf(".lazy_symbol_pointer\n"); | |
2455 printf("L_%s$lazy_ptr:\n",extrn); | |
2456 printf("\t.indirect_symbol _%s\n",extrn); | |
2457 printf("\t.long dyld_stub_binding_helper\n"); | |
103 | 2458 } else if (n->sc==FUNCTION||n->sc==CODE) { |
2459 text_mode(); | |
2460 printf("\t.set L_%s$stub,_%s\n",extrn,extrn); | |
109 | 2461 data_mode(0); |
111 | 2462 printf("L_%s$non_lazy_ptr:\n\t.long\t_%s\n",extrn,extrn); |
108 | 2463 } |
97 | 2464 } |
2465 } | |
109 | 2466 init=0; |
2467 for(n=ntable;n < &ntable[GSYMS];n++) { | |
2468 if (n->sc == GVAR) { | |
2469 if (init==0) { | |
119 | 2470 printf(".data\n"); |
109 | 2471 init=1; |
2472 } | |
116 | 2473 printf("L_%s$non_lazy_ptr:\n\t.long\t_%s\n",n->nm,n->nm); |
109 | 2474 } |
2475 } | |
97 | 2476 init = 0; |
2477 for(n=ntable;n < &ntable[GSYMS];n++) { | |
116 | 2478 if (is_code(n)||is_function(n)) continue; |
109 | 2479 if (n->sc==EXTRN1) { |
97 | 2480 if(init==0) { |
119 | 2481 printf(".data\n"); |
97 | 2482 printf(".non_lazy_symbol_pointer\n"); |
2483 init=1; | |
2484 } | |
2485 printf("L_%s$non_lazy_ptr:\n",n->nm); | |
2486 printf("\t.indirect_symbol _%s\n",n->nm); | |
2487 printf("\t.long\t0\n"); | |
89 | 2488 } |
2489 } | |
2490 } | |
2491 | |
2492 void | |
2493 local_table(void) | |
2494 { | |
2495 NMTBL *n; | |
2496 int init; | |
2497 init=0; | |
2498 /* static local variables */ | |
2499 for(n=ntable+GSYMS;n < &ntable[GSYMS+LSYMS];n++) { | |
2500 if (n->sc == GVAR) { | |
2501 if (init==0) { | |
2502 data_mode(0); | |
2503 init=1; | |
2504 } | |
156 | 2505 if (n->dsp != -1) /* initialized static */ |
2506 printf(".lcomm _%s,%d\n",n->nm,size(n->ty)); | |
2507 printf("L_%s$non_lazy_ptr:\n\t.long\t_%s\n",n->nm,n->nm); | |
89 | 2508 } |
2509 } | |
2510 } | |
2511 | |
2512 void | |
2513 text_mode(void) | |
2514 { | |
2515 if (output_mode!=TEXT_EMIT_MODE) { | |
2516 printf(".text\n"); | |
2517 printf("\t.align 2\n"); | |
2518 output_mode = TEXT_EMIT_MODE; | |
2519 } | |
2520 } | |
2521 | |
2522 void | |
2523 data_mode(char *name) | |
2524 { | |
2525 if (output_mode!=DATA_EMIT_MODE) { | |
2526 printf(".data\n"); | |
2527 output_mode = DATA_EMIT_MODE; | |
2528 } | |
108 | 2529 /* |
89 | 2530 if (name) |
2531 printf("\t.type\t%s,@object\n",name); | |
108 | 2532 */ |
89 | 2533 } |
2534 | |
195 | 2535 #if FLOAT_CODE |
2536 | |
89 | 2537 /* floating point */ |
2538 | |
96 | 2539 static int float_one_lib_used=0; |
2540 static char *float_one_lib[] = { | |
2541 ".data", | |
108 | 2542 /* ".literal8", */ |
96 | 2543 " .align 3", |
2544 "__float_one:", | |
2545 " .long 1065353216", | |
2546 ".text", | |
109 | 2547 /* ".set L__float_one$non_lazy_ptr,__float_one", */ |
96 | 2548 0 |
2549 }; | |
97 | 2550 static int float_zero_lib_used=0; |
2551 static char *float_zero_lib[] = { | |
2552 ".data", | |
108 | 2553 /* ".literal8", */ |
97 | 2554 " .align 3", |
2555 "__float_zero:", | |
2556 " .long 0", | |
2557 ".text", | |
109 | 2558 /* ".set L__float_zero$non_lazy_ptr,__float_zero", */ |
97 | 2559 0 |
2560 }; | |
2561 | |
89 | 2562 char * |
2563 fstore(int d) | |
2564 { | |
90 | 2565 return (d?"stfd":"stfs"); |
89 | 2566 } |
2567 | |
2568 char * | |
2569 fload(int d) | |
2570 { | |
90 | 2571 return d?"lfd":"lfs"; |
89 | 2572 } |
2573 | |
95 | 2574 void |
138 | 2575 code_cmp_dregister(int e2,int d) |
95 | 2576 { |
99 | 2577 char *frn,*rrn,*grn; |
2578 int greg,r; | |
138 | 2579 grn = register_name(greg = get_dregister(d)); |
132 | 2580 frn = register_name(e2); |
99 | 2581 float_zero_lib_used=1; |
109 | 2582 r = get_ptr_cache(&float_zero); |
99 | 2583 rrn = register_name(r); |
108 | 2584 printf("\tlfs %s,0(%s)\n",grn,rrn); |
99 | 2585 printf("\tfcmpu cr0,%s,%s\n",grn,frn); |
147 | 2586 free_register(greg); |
99 | 2587 return; |
95 | 2588 } |
2589 | |
2590 void | |
138 | 2591 code_dregister(int e2,int freg,int d) |
95 | 2592 { |
147 | 2593 if (freg!=e2) { |
2594 if (is_int_reg(e2)) error(-1); | |
108 | 2595 printf("\tfmr %s,%s\n",fregister_name(freg),fregister_name(e2)); |
147 | 2596 } |
95 | 2597 } |
2598 | |
103 | 2599 void code_dassign_gvar(int e2,int freg,int d) |
89 | 2600 { |
90 | 2601 int r; |
109 | 2602 r = get_ptr_cache((NMTBL*)cadr(e2)); |
147 | 2603 if (!is_float_reg(freg)) error(-1); |
108 | 2604 printf("\t%s %s,0(%s)\n",fstore(d),fregister_name(freg),register_name(r)); |
89 | 2605 } |
2606 | |
103 | 2607 void code_dassign_lvar(int e2,int freg,int d) |
89 | 2608 { |
119 | 2609 lvar_intro(e2); |
147 | 2610 if (!is_float_reg(freg)) error(-1); |
119 | 2611 printf("\t%s %s,",fstore(d),fregister_name(freg)); |
2612 lvar(e2); | |
89 | 2613 } |
2614 | |
103 | 2615 void code_dassign(int e2,int freg,int d) |
89 | 2616 { |
147 | 2617 if (!is_float_reg(freg)) error(-1); |
108 | 2618 printf("\t%s %s,0(%s)\n",fstore(d),fregister_name(freg),register_name(e2)); |
89 | 2619 } |
2620 | |
111 | 2621 void |
138 | 2622 code_dassign_dregister(int e2,int d,int freg) { |
147 | 2623 if (e2!=freg) { |
2624 if (is_int_reg(freg)) error(-1); | |
111 | 2625 printf("\tfmr %s,%s\n",fregister_name(e2),fregister_name(freg)); |
147 | 2626 } |
111 | 2627 } |
2628 | |
89 | 2629 static double d0 = 1.0; |
2630 | |
2631 int | |
2632 code_d1(double d) | |
2633 { | |
2634 int *i = (int *)&d0; int *j = (int *)&d; | |
99 | 2635 return (i[1] == 0x3ff00000)?j[0]:j[1]; |
89 | 2636 } |
2637 | |
2638 int | |
2639 code_d2(double d) | |
2640 { | |
2641 int *i = (int *)&d0; int *j = (int *)&d; | |
99 | 2642 return (i[1] == 0x3ff00000)?j[1]:j[0]; |
89 | 2643 } |
2644 | |
133 | 2645 int |
2646 code_f(double d) | |
2647 { | |
2648 float f = d; | |
2649 int *j = (int *)&f; | |
2650 return *j; | |
2651 } | |
2652 | |
138 | 2653 void |
2654 code_dconst(int e2,int freg,int d) | |
89 | 2655 { |
2656 int lb; | |
138 | 2657 double value = dcadr(e2); |
90 | 2658 int r; |
97 | 2659 char *rrn,*frn; |
2660 frn = fregister_name(freg); | |
138 | 2661 if (value==0.0) { |
97 | 2662 float_zero_lib_used=1; |
109 | 2663 r = get_ptr_cache(&float_zero); |
98 | 2664 rrn = register_name(r); |
108 | 2665 printf("\tlfs %s,0(%s)\n",frn,rrn); |
97 | 2666 return; |
89 | 2667 } |
138 | 2668 if (value==1.0) { |
97 | 2669 float_one_lib_used=1; |
109 | 2670 r = get_ptr_cache(&float_one); |
98 | 2671 rrn = register_name(r); |
108 | 2672 printf("\tlfs %s,0(%s)\n",frn,rrn); |
97 | 2673 return; |
89 | 2674 } |
97 | 2675 rrn = register_name((r=get_register())); |
108 | 2676 printf(" \t.data\n\t.align 3\n"); |
89 | 2677 lb=fwdlabel(); |
102 | 2678 printf("L_%d:\n",lb); |
138 | 2679 if (d) { |
2680 printf("\t.long\t0x%x,0x%x\n",code_d2(value),code_d1(value)); | |
133 | 2681 } else { |
138 | 2682 printf("\t.long\t0x%x\n",code_f(value)); |
133 | 2683 } |
89 | 2684 if (output_mode==TEXT_EMIT_MODE) { |
2685 printf(".text\n"); | |
2686 } else { | |
2687 text_mode(); | |
2688 } | |
102 | 2689 printf("\taddis %s,r31,ha16(L_%d-L_%d)\n",rrn,lb,code_base); |
2690 printf("\tla %s,lo16(L_%d-L_%d)(%s)\n",rrn,lb,code_base,rrn); | |
138 | 2691 if (d) { |
133 | 2692 printf("\tlfd %s,0(%s)\n",frn,rrn); |
2693 } else { | |
2694 printf("\tlfs %s,0(%s)\n",frn,rrn); | |
2695 } | |
90 | 2696 free_register(r); |
89 | 2697 } |
2698 | |
133 | 2699 |
138 | 2700 void code_dneg(int freg,int d) |
89 | 2701 { |
97 | 2702 char *frn = fregister_name(freg); |
147 | 2703 if (is_int_reg(freg)) error(-1); |
95 | 2704 printf("\tfneg %s,%s\n",frn,frn); |
89 | 2705 } |
2706 | |
147 | 2707 void code_d2i(int freg0) |
89 | 2708 { |
147 | 2709 char *frn; |
2710 char *crn; | |
119 | 2711 int e2 = new_lvar(size_of_double); |
147 | 2712 |
2713 freg0 = use_double(freg0); | |
2714 frn = fregister_name(freg0); | |
2715 creg = use_int(creg); | |
2716 crn = register_name(creg); | |
2717 | |
2718 freg = freg0; | |
119 | 2719 free_lvar(e2); |
93 | 2720 printf("\tfctiwz %s,%s\n",frn,frn); |
119 | 2721 lvar_intro(e2); |
2722 printf("\tstfd %s,",frn); lvar(e2); | |
2723 lvar_intro(e2+size_of_double-size_of_int); | |
2724 printf("\tlwz %s,",crn); lvar(e2+size_of_double-size_of_int); | |
89 | 2725 } |
2726 | |
91 | 2727 static int i2d_lib_used=0; |
2728 static char *i2d_lib[] = { | |
2729 ".data", | |
108 | 2730 /* ".literal8", */ |
91 | 2731 " .align 3", |
2732 "__i2dLC0:", | |
2733 " .long 1127219200", | |
2734 " .long -2147483648", | |
2735 ".text", | |
2736 " .align 2", | |
111 | 2737 "i2d_:", |
91 | 2738 " mflr r0", |
2739 " bcl 20,31,__i2dL1$pb", | |
2740 "__i2dL1$pb:", | |
2741 " mflr r10", | |
2742 " mtlr r0", | |
2743 " xoris r3,r3,0x8000", | |
116 | 2744 " stw r3,-28(r30)", |
91 | 2745 " lis r0,0x4330", |
116 | 2746 " stw r0,-32(r30)", |
2747 " lfd f0,-32(r30)", | |
91 | 2748 " addis r9,r10,ha16(__i2dLC0-__i2dL1$pb)", |
2749 " lfd f1,lo16(__i2dLC0-__i2dL1$pb)(r9)", | |
2750 " fsub f1,f0,f1", | |
2751 " blr", | |
2752 0 | |
2753 }; | |
2754 | |
147 | 2755 void code_i2d(int creg0) |
89 | 2756 { |
95 | 2757 i2d_lib_used = 1; |
113 | 2758 clear_ptr_cache(); |
2759 code_save_stacks(); | |
207 | 2760 set_ireg(RET_REGISTER,1); |
91 | 2761 printf("\tbl i2d_\n"); |
104 | 2762 set_freg(RET_FREGISTER,0); |
89 | 2763 } |
2764 | |
91 | 2765 static int d2u_lib_used=0; |
2766 static char *d2u_lib[] = { | |
108 | 2767 /* ".literal8", */ |
91 | 2768 " .align 3", |
2769 "__d2uLC0:", | |
2770 " .long 1105199104", | |
2771 " .long 0", | |
2772 ".text", | |
2773 " .align 2", | |
111 | 2774 "d2u_:", |
91 | 2775 " mflr r0", |
2776 " bcl 20,31,__d2uL1$pb", | |
2777 "__d2uL1$pb:", | |
2778 " mflr r10", | |
2779 " mtlr r0", | |
2780 " addis r9,r10,ha16(__d2uLC0-__d2uL1$pb)", | |
2781 " lfd f0,lo16(__d2uLC0-__d2uL1$pb)(r9)", | |
2782 " fcmpu cr0,f1,f0", | |
2783 " cror 2,1,2", | |
2784 " beq- cr0,__d2uL2", | |
2785 " fctiwz f0,f1", | |
116 | 2786 " stfd f0,-32(r30)", |
2787 " lwz r3,-28(r30)", | |
91 | 2788 " blr", |
2789 "__d2uL2:", | |
2790 " addis r9,r10,ha16(__d2uLC0-__d2uL1$pb)", | |
2791 " lfd f0,lo16(__d2uLC0-__d2uL1$pb)(r9)", | |
2792 " fsub f0,f1,f0", | |
2793 " fctiwz f0,f0", | |
116 | 2794 " stfd f0,-24(r30)", |
2795 " lwz r3,-20(r30)", | |
91 | 2796 " xoris r3,r3,0x8000", |
2797 " blr", | |
2798 0 | |
2799 }; | |
2800 | |
147 | 2801 void code_d2u(int freg0) |
89 | 2802 { |
113 | 2803 code_save_stacks(); |
2804 clear_ptr_cache(); | |
91 | 2805 d2u_lib_used=1; |
104 | 2806 set_freg(RET_FREGISTER,1); |
111 | 2807 printf("\tbl d2u_\n"); |
207 | 2808 set_ireg(RET_REGISTER,0); |
91 | 2809 } |
90 | 2810 |
91 | 2811 static int u2d_lib_used=0; |
2812 static char *u2d_lib[] = { | |
2813 ".data", | |
108 | 2814 /* ".literal8", */ |
91 | 2815 " .align 3", |
2816 "__u2dLC1:", | |
2817 " .long 1127219200", | |
2818 " .long 0", | |
2819 ".text", | |
2820 " .align 2", | |
111 | 2821 "u2d_:", |
91 | 2822 " mflr r0", |
2823 " bcl 20,31,__u2dL2$pb", | |
2824 "__u2dL2$pb:", | |
2825 " mflr r10", | |
2826 " mtlr r0", | |
116 | 2827 " stw r3,-28(r30)", |
91 | 2828 " lis r0,0x4330", |
116 | 2829 " stw r0,-32(r30)", |
2830 " lfd f0,-32(r30)", | |
91 | 2831 " addis r9,r10,ha16(__u2dLC1-__u2dL2$pb)", |
2832 " lfd f1,lo16(__u2dLC1-__u2dL2$pb)(r9)", | |
2833 " fsub f1,f0,f1", | |
2834 " blr", | |
2835 0 | |
2836 }; | |
89 | 2837 |
147 | 2838 void code_u2d(int creg0) |
89 | 2839 { |
113 | 2840 code_save_stacks(); |
2841 clear_ptr_cache(); | |
147 | 2842 u2d_lib_used = 1; |
207 | 2843 set_ireg(RET_REGISTER,1); |
111 | 2844 printf("\tbl u2d_\n"); |
147 | 2845 set_freg(FREG_FREGISTER,0); |
89 | 2846 } |
2847 | |
133 | 2848 void code_d2f(int freg) { } |
2849 void code_f2d(int freg) { } | |
147 | 2850 void code_f2i(int freg) { code_d2i(freg); } |
2851 void code_f2u(int freg) { code_d2u(freg); } | |
2852 void code_i2f(int creg) { code_i2d(creg); } | |
2853 void code_u2f(int creg) { code_u2d(creg); } | |
133 | 2854 |
107 | 2855 void code_drgvar(int e2,int d,int freg) |
89 | 2856 { |
91 | 2857 int r; |
109 | 2858 r = get_ptr_cache((NMTBL*)cadr(e2)); |
108 | 2859 printf("\t%s %s,0(%s)\n",fload(d),fregister_name(freg),register_name(r)); |
89 | 2860 } |
2861 | |
2862 | |
107 | 2863 void code_drlvar(int e2,int d,int freg) |
89 | 2864 { |
119 | 2865 lvar_intro(e2); |
2866 printf("\t%s %s,",fload(d),fregister_name(freg)); lvar(e2); | |
89 | 2867 } |
2868 | |
138 | 2869 void code_cmp_drgvar(int e2,int d) |
89 | 2870 { |
91 | 2871 int r; |
97 | 2872 char *frn=fregister_name(freg); |
138 | 2873 int g=get_dregister(d); |
97 | 2874 char *grn=fregister_name(g); |
109 | 2875 r = get_ptr_cache((NMTBL*)cadr(e2)); |
108 | 2876 printf("\t%s %s,0(%s)\n",fload(1),grn,register_name(r)); |
91 | 2877 printf("\tfcmpu cr0,%s,%s\n",frn,grn); |
147 | 2878 free_register(g); |
89 | 2879 } |
2880 | |
138 | 2881 void code_cmp_drlvar(int e2,int d) |
89 | 2882 { |
97 | 2883 char *frn=fregister_name(freg); |
138 | 2884 int g=get_dregister(d); |
97 | 2885 char *grn=fregister_name(g); |
108 | 2886 |
119 | 2887 lvar_intro(e2); |
2888 printf("\t%s %s,",fload(1),grn); lvar(e2); | |
91 | 2889 printf("\tfcmpu cr0,%s,%s\n",frn,grn); |
147 | 2890 free_register(g); |
89 | 2891 } |
2892 | |
2893 void dtosop(int op,int e1) | |
2894 { | |
127 | 2895 char *opn=""; |
97 | 2896 char *frn=fregister_name(freg); |
2897 char *grn=fregister_name(e1); | |
89 | 2898 switch(op) { |
133 | 2899 case FADD: |
91 | 2900 case DADD: opn="fadd"; break; |
133 | 2901 case FSUB: |
101 | 2902 case DSUB: opn="fsub"; break; |
133 | 2903 case FDIV: |
101 | 2904 case DDIV: opn="fdiv"; break; |
133 | 2905 case FMUL: |
101 | 2906 case DMUL: opn="fmul"; break; |
133 | 2907 case FCMP: |
91 | 2908 case DCMP: |
108 | 2909 printf("\tfcmpu cr0,%s,%s\n",frn,grn); |
147 | 2910 free_register(e1); |
101 | 2911 return; |
133 | 2912 case FCMPGE: |
91 | 2913 case DCMPGE: |
108 | 2914 printf("\tfcmpu cr7,%s,%s\n",frn,grn); |
147 | 2915 free_register(e1); |
101 | 2916 return; |
133 | 2917 default: |
2918 error(-1); return; | |
89 | 2919 } |
91 | 2920 printf("\t%s %s,%s,%s\n",opn,frn,frn,grn); |
147 | 2921 free_register(e1); |
89 | 2922 } |
2923 | |
2924 void | |
2925 code_dassop(int op,int d) { | |
91 | 2926 /* we have lvalue in creg, applied floating value is in freg */ |
138 | 2927 int xreg=emit_dpop(d); |
91 | 2928 char *crn=register_name(creg); |
209 | 2929 char *frn; |
2930 creg = d?use_double(creg):use_float(creg); | |
2931 frn =fregister_name(freg); | |
2932 | |
108 | 2933 printf("\t%s %s,0(%s)\n",fload(d),frn,crn); |
102 | 2934 dtosop(op,xreg); |
108 | 2935 printf("\t%s %s,0(%s)\n",fstore(d),frn,crn); |
138 | 2936 emit_dpop_free(xreg,d); |
89 | 2937 } |
2938 | |
91 | 2939 |
89 | 2940 void |
107 | 2941 code_dpreinc(int e1,int e2,int d,int reg) { |
91 | 2942 char *frn; |
2943 char *crn; | |
2944 int g; | |
2945 char *grn,*drn; | |
2946 int r; | |
2947 | |
144 | 2948 if (car(e2)==DREGISTER||car(e2)==FREGISTER) { |
2949 error(-1); /* unspported now */ | |
2950 } | |
89 | 2951 g_expr(e2); |
91 | 2952 |
209 | 2953 float_one_lib_used=1; |
2954 r = get_ptr_cache(&float_one); | |
2955 drn=register_name(r); | |
2956 | |
91 | 2957 crn=register_name(creg); |
209 | 2958 |
2959 creg = d?use_double(creg):use_float(creg); | |
97 | 2960 frn=fregister_name(freg); |
138 | 2961 grn=fregister_name(g=get_dregister(d)); |
91 | 2962 |
108 | 2963 printf("\t%s %s,0(%s)\n",fload(d),frn,crn); |
2964 printf("\tlfs %s,0(%s)\n",grn,drn); | |
89 | 2965 if (caddr(e1)>0) |
91 | 2966 printf("\tfadd %s,%s,%s\n",frn,frn,grn); |
89 | 2967 else |
91 | 2968 printf("\tfsub %s,%s,%s\n",frn,frn,grn); |
147 | 2969 if (!is_float_reg(freg)) error(-1); |
108 | 2970 printf("\t%s %s,0(%s)\n",fstore(d),frn,crn); |
147 | 2971 free_register(g); |
2972 creg = freg; | |
89 | 2973 } |
2974 | |
2975 void | |
107 | 2976 code_dpostinc(int e1,int e2,int d,int reg) { |
91 | 2977 char *frn; |
2978 char *crn; | |
2979 int g; | |
2980 char *grn,*drn; | |
2981 int r; | |
2982 | |
144 | 2983 if (car(e2)==DREGISTER||car(e2)==FREGISTER) { |
2984 error(-1); /* unspported now */ | |
2985 } | |
89 | 2986 g_expr(e2); |
91 | 2987 |
2988 crn=register_name(creg); | |
209 | 2989 |
2990 float_one_lib_used=1; | |
2991 r = get_ptr_cache(&float_one); | |
2992 drn=register_name(r); | |
2993 | |
2994 creg = d?use_double(creg):use_float(creg); | |
97 | 2995 frn=fregister_name(freg); |
138 | 2996 grn=fregister_name(g=get_dregister(d)); |
91 | 2997 |
108 | 2998 printf("\t%s %s,0(%s)\n",fload(d),frn,crn); |
2999 printf("\tlfs %s,0(%s)\n",grn,drn); | |
89 | 3000 if (caddr(e1)>0) |
91 | 3001 printf("\tfadd %s,%s,%s\n",grn,frn,grn); |
89 | 3002 else |
91 | 3003 printf("\tfsub %s,%s,%s\n",grn,frn,grn); |
147 | 3004 if (!is_float_reg(freg)) error(-1); |
108 | 3005 printf("\t%s %s,0(%s)\n",fstore(d),grn,crn); |
147 | 3006 free_register(g); |
3007 creg = freg; | |
89 | 3008 } |
3009 | |
3010 void | |
3011 drexpr(int e1, int e2,int l1, int op) | |
3012 { | |
91 | 3013 g_expr(list3(((op==DOP+GE)?DCMPGE:DCMP),e1,e2)); |
89 | 3014 switch(op) { |
3015 case DOP+GE: | |
133 | 3016 case FOP+GE: |
91 | 3017 printf("\tcror 2,29,30\n"); |
111 | 3018 printf("\tbne\tcr0,L_%d\n",l1); |
89 | 3019 break; |
3020 case DOP+GT: | |
133 | 3021 case FOP+GT: |
111 | 3022 printf("\tble\tcr0,L_%d\n",l1); |
89 | 3023 break; |
3024 case DOP+EQ: | |
133 | 3025 case FOP+EQ: |
111 | 3026 printf("\tbne\tcr0,L_%d\n",l1); |
89 | 3027 break; |
3028 case DOP+NEQ: | |
133 | 3029 case FOP+NEQ: |
111 | 3030 printf("\tbeq\tcr0,L_%d\n",l1); |
89 | 3031 break; |
3032 } | |
3033 } | |
3034 | |
138 | 3035 int emit_dpop(int d) |
89 | 3036 { |
114 | 3037 int xreg,reg; |
97 | 3038 xreg=pop_fregister(); |
3039 if (xreg<= -REG_LVAR_OFFSET) { | |
138 | 3040 reg = get_dregister(d); |
119 | 3041 code_drlvar(REG_LVAR_OFFSET+xreg,1,reg); |
117 | 3042 free_lvar(REG_LVAR_OFFSET+xreg); |
205 | 3043 xreg=reg; |
96 | 3044 } |
3045 return xreg; | |
89 | 3046 } |
3047 | |
138 | 3048 void emit_dpop_free(int e1,int d) |
89 | 3049 { |
147 | 3050 free_register(e1); |
89 | 3051 } |
3052 | |
138 | 3053 void emit_dpush(int d) |
89 | 3054 { |
97 | 3055 int new_reg; |
102 | 3056 if (freg_sp>MAX_MAX) error(-1); |
138 | 3057 new_reg = get_dregister(1); |
97 | 3058 freg_stack[freg_sp++] = freg; /* push ���뤫���˥쥸������Ȥ� */ |
147 | 3059 creg = freg = new_reg; |
89 | 3060 } |
3061 | |
195 | 3062 #endif |
3063 | |
3064 #if LONGLONG_CODE | |
3065 | |
3066 | |
3067 /* 64bit int part */ | |
3068 | |
3069 void lrexpr(int e1, int e2,int l1, int op) | |
3070 { | |
3071 } | |
3072 | |
3073 int lpop_register() | |
3074 { | |
3075 return 0; | |
3076 } | |
3077 | |
3078 int emit_lpop() | |
3079 { | |
3080 return 0; | |
3081 } | |
3082 | |
3083 void code_lregister(int e2,int reg) | |
3084 { | |
3085 | |
3086 } | |
3087 | |
3088 void code_cmp_lregister(int reg) | |
3089 { | |
3090 | |
3091 } | |
3092 | |
3093 void code_cmp_lrgvar(int e1,int e2) | |
3094 { | |
3095 | |
3096 } | |
3097 | |
3098 void code_cmp_lrlvar(int e1,int e2) | |
3099 { | |
3100 | |
3101 } | |
3102 | |
3103 void code_lassign(int e1,int e2) | |
3104 { | |
3105 | |
3106 } | |
3107 | |
3108 void code_lassign_gvar(int e1,int e2) | |
3109 { | |
3110 | |
3111 } | |
3112 | |
3113 void code_lassign_lvar(int e1,int e2) | |
3114 { | |
3115 | |
3116 } | |
3117 | |
3118 void code_lassign_lregister(int e2,int reg) | |
3119 { | |
3120 | |
3121 } | |
3122 | |
207 | 3123 static long long ll0 = 1LL; |
206 | 3124 |
3125 static int | |
3126 code_l1(long long d) | |
3127 { | |
207 | 3128 int *i = (int *)&ll0; int *j = (int *)&d; |
206 | 3129 return (i[1] == 1)?j[1]:j[0]; |
3130 } | |
3131 | |
3132 static int | |
3133 code_l2(long long d) | |
3134 { | |
207 | 3135 int *i = (int *)&ll0; int *j = (int *)&d; |
206 | 3136 return (i[1] == 1)?j[0]:j[1]; |
3137 } | |
3138 | |
195 | 3139 void code_lconst(int e1,int e2) |
3140 { | |
3141 | |
3142 } | |
3143 | |
3144 void code_lneg(int e1,int e2) | |
3145 { | |
3146 | |
3147 } | |
3148 | |
3149 void code_lrgvar(int e1,int e2) | |
3150 { | |
3151 | |
3152 } | |
3153 | |
3154 void code_lrlvar(int e1,int e2) | |
3155 { | |
3156 | |
3157 } | |
3158 | |
3159 void ltosop(int e1,int e2) | |
3160 { | |
3161 | |
3162 } | |
3163 | |
3164 void emit_lpop_free(int e1) | |
3165 { | |
3166 | |
3167 } | |
3168 | |
3169 void emit_lpush() | |
3170 { | |
3171 | |
3172 } | |
3173 | |
3174 void code_i2ll(int creg) | |
3175 { | |
3176 | |
3177 } | |
3178 | |
3179 void code_i2ull(int creg) | |
3180 { | |
3181 | |
3182 } | |
3183 | |
3184 void code_u2ll(int creg) | |
3185 { | |
3186 | |
3187 } | |
3188 | |
3189 void code_u2ull(int creg) | |
3190 { | |
3191 | |
3192 } | |
3193 | |
3194 void code_ll2i(int creg) | |
3195 { | |
3196 | |
3197 } | |
3198 | |
3199 void code_ll2u(int creg) | |
3200 { | |
3201 | |
3202 } | |
3203 | |
3204 void code_ull2i(int creg) | |
3205 { | |
3206 | |
3207 } | |
3208 | |
3209 void code_ull2u(int creg) | |
3210 { | |
3211 | |
3212 } | |
3213 | |
3214 #if FLOAT_CODE | |
3215 void code_d2ll(int creg) | |
3216 { | |
3217 | |
3218 } | |
3219 | |
3220 void code_d2ull(int creg) | |
3221 { | |
3222 | |
3223 } | |
3224 | |
3225 void code_f2ll(int creg) | |
3226 { | |
3227 | |
3228 } | |
3229 | |
3230 void code_f2ull(int creg) | |
3231 { | |
3232 | |
3233 } | |
3234 | |
3235 void code_ll2d(int creg) | |
3236 { | |
3237 | |
3238 } | |
3239 | |
3240 void code_ll2f(int creg) | |
3241 { | |
3242 | |
3243 } | |
3244 | |
3245 void code_ull2d(int creg) | |
3246 { | |
3247 | |
3248 } | |
3249 | |
3250 void code_ull2f(int creg) | |
3251 { | |
3252 | |
3253 } | |
3254 | |
3255 void code_ull2ll(int creg) | |
3256 { | |
3257 | |
3258 } | |
3259 | |
3260 void code_ull2ull(int creg) | |
3261 { | |
3262 | |
3263 } | |
3264 | |
3265 #endif | |
3266 | |
3267 | |
3268 void code_lpreinc(int e1,int e2,int reg) | |
3269 { | |
3270 | |
3271 } | |
3272 | |
3273 void code_lpostinc(int e1,int e2,int reg) | |
3274 { | |
3275 | |
3276 } | |
3277 | |
3278 void code_lassop(int op) | |
3279 { | |
3280 | |
3281 } | |
3282 | |
3283 | |
3284 #endif | |
3285 | |
95 | 3286 void |
3287 code_save_stacks() | |
3288 { | |
103 | 3289 int i,reg; |
101 | 3290 for(i=0;i<reg_sp;i++) { |
103 | 3291 if ((reg=reg_stack[i])>=0) { |
101 | 3292 code_assign_lvar( |
119 | 3293 (reg_stack[i]=new_lvar(size_of_int)),reg,0); |
101 | 3294 reg_stack[i]= reg_stack[i]-REG_LVAR_OFFSET; |
3295 } | |
3296 } | |
195 | 3297 #if FLOAT_CODE |
101 | 3298 for(i=0;i<freg_sp;i++) { |
103 | 3299 if ((reg=freg_stack[i])>=0) { |
101 | 3300 code_dassign_lvar( |
119 | 3301 (freg_stack[i]=new_lvar(size_of_double)),reg,1); |
101 | 3302 freg_stack[i]= freg_stack[i]-REG_LVAR_OFFSET; |
3303 } | |
3304 } | |
195 | 3305 #endif |
96 | 3306 } |
3307 | |
3308 void | |
3309 emit_lib(char *p[]) | |
95 | 3310 { |
98 | 3311 while(*p) { |
3312 printf("%s\n",*p++); | |
96 | 3313 } |
3314 } | |
3315 | |
3316 void | |
3317 code_closing() | |
3318 { | |
195 | 3319 #if FLOAT_CODE |
96 | 3320 if (d2u_lib_used) emit_lib(d2u_lib); |
3321 if (u2d_lib_used) emit_lib(u2d_lib); | |
3322 if (float_one_lib_used) emit_lib(float_one_lib); | |
98 | 3323 if (float_zero_lib_used) emit_lib(float_zero_lib); |
96 | 3324 if (i2d_lib_used) emit_lib(i2d_lib); |
195 | 3325 #endif |
97 | 3326 global_table(); |
108 | 3327 /* printf("\t.ident \"Micro-C compiled\"\n"); */ |
95 | 3328 } |
3329 | |
89 | 3330 /* end */ |
3331 |