Mercurial > hg > CbC > old > device
annotate mc-code-powerpc.c @ 206:4170cefb48f6
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| author | kono |
|---|---|
| date | Thu, 15 Apr 2004 07:25:38 +0900 |
| parents | a50f90d0b63a |
| children | 8a3516f6eb66 |
| 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]; /* 実際のレジスタの領域 */ | |
| 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]; /* 実際のレジスタの領域 */ | |
| 89 | 52 |
| 206 | 53 static int lreg_sp; /* longlong REGister Stack-Pointer */ |
| 54 static int lreg_stack[MAX_MAX]; /* 実際のレジスタの領域 */ | |
| 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 |
| 206 | 70 #define RET_REGISTER regv[3] |
| 71 #define RET_FREGISTER regv[(1+FREG_OFFSET)] | |
| 205 | 72 #define RET_LREGISTER_L 4 /* low word */ |
| 73 #define RET_LREGISTER_H 3 /* high word */ | |
| 206 | 74 static int lreg_ret; |
| 75 #define RET_LREGISTER lreg_ret | |
| 119 | 76 |
| 77 int MAX_REGISTER=30; /* PowerPCのレジスタを10個まで使う*/ | |
| 122 | 78 int MAX_FREGISTER=31; |
| 119 | 79 #define REAL_MAX_REGISTER 32 /* PowerPCのレジスタが32ということ*/ |
| 80 #define REAL_MAX_FREGISTER 32 /* PowerPCのレジスタが32ということ*/ | |
| 81 | |
| 145 | 82 #define FREG_OFFSET REAL_MAX_REGISTER |
| 83 | |
| 122 | 84 int MAX_INPUT_REGISTER_VAR = 11-MIN_TMP_REG; |
| 85 int MAX_CODE_INPUT_REGISTER_VAR = 11-MIN_TMP_REG; | |
| 86 int MAX_INPUT_DREGISTER_VAR = 14-MIN_TMP_FREG; | |
| 138 | 87 int MAX_INPUT_FREGISTER_VAR = 14-MIN_TMP_FREG; |
| 122 | 88 int MAX_CODE_INPUT_DREGISTER_VAR = 14-MIN_TMP_FREG; |
| 138 | 89 int MAX_CODE_INPUT_FREGISTER_VAR = 14-MIN_TMP_FREG; |
| 119 | 90 |
| 205 | 91 static int powerpc_regs[REAL_MAX_REGISTER+REAL_MAX_FREGISTER]; |
| 206 | 92 static int regv[REAL_MAX_REGISTER+REAL_MAX_FREGISTER]; |
| 205 | 93 |
| 94 static int *regs = powerpc_regs; | |
| 119 | 95 |
| 206 | 96 #define CREG_REGISTER regv[MAX_TMP_REG] |
| 97 #define FREG_FREGISTER regv[MAX_TMP_FREG+FREG_OFFSET] | |
| 98 | |
| 99 | |
| 119 | 100 static int max_reg_var, max_freg_var; |
| 101 | |
| 102 static char *reg_name[] = { | |
| 103 "r0","r1","r2","r3","r4","r5","r6","r7","r8","r9", | |
| 104 "r10","r11","r12","r13","r14","r15","r16","r17","r18","r19", | |
| 105 "r20","r21","r22","r23","r24","r25","r26","r27","r28","r29", | |
| 145 | 106 "r30","r31", |
| 119 | 107 "f0","f1","f2","f3","f4","f5","f6","f7","f8","f9", |
| 108 "f10","f11","f12","f13","f14","f15","f16","f17","f18","f19", | |
| 109 "f20","f21","f22","f23","f24","f25","f26","f27","f28","f29", | |
| 110 "f30","f31" | |
| 111 }; | |
| 112 | |
| 205 | 113 #define register_name(i) reg_name[cadr(i)] |
| 114 #define fregister_name(i) reg_name[cadr(i)] | |
| 115 #define lregister_name_low(i) reg_name[cadr(i)] | |
| 116 #define lregister_name_high(i) reg_name[caddr(i)] | |
| 117 | |
| 118 #define is_int_reg_0(i) (0<=i&&i<REAL_MAX_REGISTER) | |
| 119 #define is_float_reg_0(i) (REAL_MAX_REGISTER<=i&&i<REAL_MAX_FREGISTER+REAL_MAX_REGISTER) | |
| 120 | |
| 121 #define is_int_reg(i) (car(i)==REGISTER) | |
| 122 #define is_float_reg(i) (car(i)==DREGISTER) | |
| 123 #define is_longlong_reg(i) (car(i)==LREGISTER) | |
| 147 | 124 |
| 125 | |
| 126 int use_int(int i) { | |
| 205 | 127 if (lreg) { |
| 128 free_register(lreg); lreg = 0; | |
| 129 } | |
| 130 if (!is_int_reg(i)) { | |
| 131 if (!ireg) ireg = get_register(); | |
| 206 | 132 i = ireg; |
| 205 | 133 } |
| 147 | 134 return i; |
| 135 } | |
| 136 | |
| 137 int use_float(int i) { | |
| 138 if (!is_float_reg(i)) i = freg; | |
| 206 | 139 if (!regs[cadr(i)]) regs[cadr(i)]=1; |
| 147 | 140 return i; |
| 141 } | |
| 142 | |
| 143 int use_double(int i) { | |
| 144 if (!is_float_reg(i)) i = freg; | |
| 206 | 145 if (!regs[cadr(i)]) regs[cadr(i)]=1; |
| 147 | 146 return i; |
| 147 } | |
| 148 | |
| 195 | 149 int use_longlong(int i) { |
| 205 | 150 if (ireg) { |
| 151 free_register(ireg); ireg = 0; | |
| 152 } | |
| 153 if (!is_longlong_reg(i)) { | |
| 154 if (!lreg) lreg = get_lregister(); | |
| 155 i = lreg; | |
| 156 } | |
| 195 | 157 return i; |
| 158 } | |
| 159 | |
| 160 | |
| 161 #if FLOAT_CODE | |
| 119 | 162 static |
| 163 NMTBL float_zero = {"_float_zero",STATIC,FLOAT,0}; | |
| 164 static | |
| 165 NMTBL float_one = {"_float_one",STATIC,FLOAT,0}; | |
| 166 | |
| 167 | |
| 168 static char * fload(int d); | |
| 169 static int code_d1(double d); | |
| 170 static int code_d2(double d); | |
| 195 | 171 #endif |
| 206 | 172 #if LONGLONG_CODE |
| 173 static int code_l1(long long ll); | |
| 174 static int code_l2(long long ll); | |
| 175 #endif | |
| 195 | 176 |
| 119 | 177 static void code_save_stacks(); |
| 178 static void code_save_input_registers(); | |
| 179 static void clear_ptr_cache_reg(int r); | |
| 180 static void set_creg(int,int); | |
| 181 static void set_freg(int,int); | |
| 195 | 182 static void set_lreg(int,int); |
| 119 | 183 |
| 153 | 184 static int max_func_args; |
| 185 static int my_func_args; | |
| 119 | 186 #define ARG_LVAR_OFFSET 0x10000000 |
| 187 | |
| 126 | 188 /* |
| 89 | 189 |
| 97 | 190 r0 return value etc. |
| 191 r3-r10 input register | |
| 126 | 192 r22-r29 saved register variable (input register for code segement) |
| 89 | 193 r30 stack pointer |
| 194 r31 0 | |
| 195 r1 frame pointer | |
| 97 | 196 |
| 197 f0 return value etc. | |
| 198 f1-r8 input register | |
| 199 f24-f31 saved register variable | |
| 116 | 200 |
| 202 | 201 function call stack frame |
| 116 | 202 <------r1_offset------------------------------> |
| 203 <------------lvar_offset-------> | |
| 204 r+ +------------+---+---------------+----------+--------------+----+ - | |
| 122 | 205 callee arg xx register save local caller arg xx |
| 116 | 206 reg_save disp max_func_args*size_of_int |
| 119 | 207 lvar>0 lvar<0 lvar>0x1000 0000 |
| 127 | 208 |
| 209 code segment stack frame | |
| 210 | |
| 211 * gotoを呼び出した関数のr1 ! r1(goto前のr1) | |
| 128 | 212 # * r30 <---r1_offset---------> r1 |
| 127 | 213 r+ +----------+--+----------+----------------+-----------+----------+----+ |
| 214 cousin arg xx reg save !callee arg !code local caller arg xx | |
| 215 r20-r29 lvar>0 lvar<0 lvar>0x1000 000 | |
| 216 f20-f31 <-my_func_args--><--disp-----><-max_func_arg-> | |
| 217 *size_of_int *size_of_int | |
| 218 | |
| 89 | 219 */ |
| 122 | 220 int arg_offset = 24; int arg_offset1 = 24; int disp_offset = -12; |
| 221 #define func_disp_offset 60 | |
| 222 #define r1_offset func_disp_offset+12 | |
| 121 | 223 int code_disp_offset = 0; int jump_offset = 0; |
| 224 #define CODE_LVAR l+code_disp_offset | |
| 129 | 225 #define CODE_CALLER_ARG (l-ARG_LVAR_OFFSET)+arg_offset1 |
| 121 | 226 #define FUNC_LVAR l+disp_offset |
| 227 #define CALLER_ARG (l-ARG_LVAR_OFFSET)+arg_offset1 | |
| 228 #define CALLEE_ARG l+arg_offset | |
| 89 | 229 |
| 116 | 230 void |
| 231 code_offset_set() | |
| 232 { | |
| 126 | 233 #if 0 |
| 121 | 234 int l; |
| 126 | 235 #endif |
| 121 | 236 int lvar_offsetv = -disp+max_func_args*size_of_int+func_disp_offset; |
| 237 int r1_offsetv = -disp+max_func_args*size_of_int-reg_save+r1_offset; | |
| 238 printf(".set L_%d,%d\n",lvar_offset_label,lvar_offsetv); | |
| 239 printf(".set L_%d,%d\n",r1_offset_label,r1_offsetv); | |
| 126 | 240 #if 0 |
| 121 | 241 printf("# function %s\n",fnptr->nm); |
| 242 l = ARG_LVAR_OFFSET; | |
| 243 printf("# offset call0\t%d\n",CALLER_ARG); | |
| 244 l = ARG_LVAR_OFFSET+max_func_args*size_of_int; | |
| 122 | 245 printf("# offset calln\t%d %d\n",CALLER_ARG,max_func_args*size_of_int); |
| 121 | 246 l = disp; |
| 122 | 247 printf("# offset lvarn\t%d %d\n",FUNC_LVAR+lvar_offsetv,disp); |
| 121 | 248 l = 0; |
| 249 printf("# offset lvar0\t%d\n",FUNC_LVAR+lvar_offsetv); | |
| 250 l = -reg_save; | |
| 251 printf("# offset regs\t%d\n",FUNC_LVAR+lvar_offsetv); | |
| 252 printf("# offset r1off\t%d\n",r1_offsetv); | |
| 253 l = 0; | |
| 254 printf("# offset carg0\t%d\n",CALLEE_ARG+r1_offsetv); | |
| 255 l = my_func_args; | |
| 122 | 256 printf("# offset cargn\t%d %d\n",CALLEE_ARG+r1_offsetv,my_func_args); |
| 126 | 257 #endif |
| 116 | 258 } |
| 111 | 259 |
| 119 | 260 |
| 261 static void | |
| 262 lvar8(int l) | |
| 116 | 263 { |
| 264 if (fnptr->sc==CODE) { | |
| 129 | 265 if (l>=ARG_LVAR_OFFSET) { /* caller's arguments */ |
| 266 printf("lo16(%d)(r1)\n",CODE_CALLER_ARG); | |
| 267 } else | |
| 268 printf("lo16(%d)(r30)\n",CODE_LVAR); | |
| 119 | 269 } else if (l<0) { /* local variable */ |
| 270 printf("lo16(%d+L_%d)(r30)\n",FUNC_LVAR,lvar_offset_label); | |
| 125 | 271 } else if (l>=ARG_LVAR_OFFSET) { /* caller's arguments */ |
| 119 | 272 printf("lo16(%d)(r30)\n",CALLER_ARG); |
| 273 } else { /* callee's arguments */ | |
| 121 | 274 printf("lo16(%d+L_%d)(r30)\n",CALLEE_ARG,r1_offset_label); |
| 116 | 275 } |
| 276 } | |
| 111 | 277 |
| 119 | 278 /* if size of local variables / input variables is more then 64k, |
| 279 lo16 does not work. We have to use ha16 also. But we can't know | |
| 280 the exact size in one path compile. We may safely use lvar16ha | |
| 281 if disp or max_func_args > 32k. Of course this is reduantant for | |
| 282 smaller offset. But who cares who use very large local variables? | |
| 283 */ | |
| 96 | 284 |
| 119 | 285 #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
|
286 |
| 119 | 287 static void |
| 288 lvar16ha(int l) | |
| 289 { | |
| 290 if (fnptr->sc==CODE) { | |
| 129 | 291 if (l>=ARG_LVAR_OFFSET) { /* caller's arguments */ |
| 292 printf("la r0,ha16(%d)(r1)\n",CODE_CALLER_ARG); | |
| 293 } else | |
| 294 printf("la r0,ha16(%d)(r30)\n",CODE_LVAR); | |
| 119 | 295 } else if (l<0) { /* local variable */ |
| 296 printf("la r0,ha16(%d+L_%d)(r30)\n",FUNC_LVAR,lvar_offset_label); | |
| 125 | 297 } else if (l>=ARG_LVAR_OFFSET) { /* caller's arguments */ |
| 119 | 298 if (CALLER_ARG>32765) |
| 299 printf("la r0,ha16(%d)(r30)\n",CALLER_ARG); | |
| 300 } else { /* callee's arguments */ | |
| 121 | 301 printf("la r0,ha16(%d+L_%d)(r30)\n",CALLEE_ARG,r1_offset_label); |
| 119 | 302 } |
| 303 } | |
| 95 | 304 |
| 119 | 305 static void |
| 306 lvar16lo(int l) | |
| 307 { | |
| 308 if (fnptr->sc==CODE) { | |
| 129 | 309 if (l>=ARG_LVAR_OFFSET) { /* caller's arguments */ |
| 310 printf("lo16(%d)(r0)\n",CODE_CALLER_ARG); | |
| 311 } else | |
| 312 printf("lo16(%d)(r0)\n",CODE_LVAR); | |
| 119 | 313 } else if (l<0) { /* local variable */ |
| 314 printf("lo16(%d+L_%d)(r0)\n",FUNC_LVAR,lvar_offset_label); | |
| 125 | 315 } else if (l>=ARG_LVAR_OFFSET) { /* caller's arguments */ |
| 119 | 316 if (CALLER_ARG>32765) |
| 317 printf("lo16(%d)(r0)\n",CALLER_ARG); | |
| 318 else | |
| 319 printf("lo16(%d)(r30)\n",CALLER_ARG); | |
| 320 } else { /* callee's arguments */ | |
| 121 | 321 printf("lo16(%d+L_%d)(r0)\n",CALLEE_ARG,r1_offset_label); |
| 119 | 322 } |
| 323 } | |
| 89 | 324 |
| 119 | 325 #define lvar_intro(i) if (LARGE_LVAR) lvar16ha(i) |
| 326 | |
| 327 #define lvar(i) if (LARGE_LVAR) lvar16lo(i); else lvar8(i) | |
| 89 | 328 |
| 119 | 329 void |
| 330 code_lvar(int e2,int creg) { | |
| 331 lvar_intro(e2); | |
| 332 printf("\tla %s,",register_name(creg)); | |
| 333 lvar(e2); | |
| 334 } | |
| 95 | 335 |
| 89 | 336 void |
| 337 code_init(void) | |
| 338 { | |
| 206 | 339 int i; |
| 173 | 340 macro_define("__ppc__ 1\n"); |
| 177 | 341 macro_define("__BIG_ENDIAN__ 1\n"); |
| 182 | 342 // macro_define("_BSD_CT_RUNE_T_ int\n"); |
| 185 | 343 macro_define("__STDC__ 1\n"); |
| 102 | 344 init_ptr_cache(); |
| 206 | 345 lreg_ret = glist3(LREGISTER, RET_LREGISTER_L,RET_LREGISTER_H); |
| 346 for(i=0;i<MAX_REGISTER;i++) { regv[i]=glist2(REGISTER,i); } | |
| 347 for(i=0;i<MAX_FREGISTER;i++) { regv[i+FREG_OFFSET]=glist2(DREGISTER,i+FREG_OFFSET); } | |
| 89 | 348 } |
| 349 | |
| 350 void | |
| 351 gexpr_code_init(void){ | |
| 172 | 352 #if 0 |
| 353 int new_reg,old_reg,dm; | |
| 354 /* register shuffling */ | |
| 355 if (is_int_reg(creg)) { | |
| 356 dm = get_register(); | |
| 357 new_reg = get_register(); | |
| 358 old_reg = creg; | |
| 359 ireg = creg = new_reg; | |
| 205 | 360 free_register(old_reg); |
| 361 free_register(dm); | |
| 172 | 362 } else if (is_float_reg(creg)) { |
| 363 dm = get_dregister(1); | |
| 364 new_reg = get_dregister(1); | |
| 365 old_reg = creg; | |
| 366 freg = creg = new_reg; | |
| 205 | 367 free_register(old_reg); |
| 368 free_register(dm); | |
| 172 | 369 } |
| 370 #endif | |
| 96 | 371 } |
| 372 | |
| 147 | 373 void |
| 374 code_gexpr(int e){ | |
| 375 if (is_int_reg(creg) && creg!=ireg) error(-1); | |
| 376 } | |
| 377 | |
| 89 | 378 |
| 109 | 379 void |
| 137 | 380 code_arg_register(NMTBL *fnptr) |
| 109 | 381 { |
| 137 | 382 int args = fnptr->dsp; |
| 383 NMTBL *n; | |
| 384 int reg_var = 0; | |
| 385 int freg_var = 0; | |
| 386 int type; | |
| 387 int reg; | |
| 388 int is_code0 = is_code(fnptr); | |
| 389 | |
| 390 while (args) { | |
| 391 /* process in reverse order */ | |
| 392 n = (NMTBL*)caddr(args); | |
| 393 type = n->ty; | |
| 394 if (scalar(type)) { | |
| 395 if ((reg = get_input_register_var(reg_var,n,is_code0))) { | |
| 396 n->sc = REGISTER; | |
| 205 | 397 n->dsp = reg; |
| 398 regs[cadr(n->dsp)]= INPUT_REG; | |
| 137 | 399 reg_var++; |
| 205 | 400 cadddr(args)=size_of_int; |
| 137 | 401 } |
| 138 | 402 } else if (type==FLOAT) { |
| 403 if ((reg = get_input_dregister_var(freg_var,n,is_code0,0))) { | |
| 404 n->sc = DREGISTER; | |
| 205 | 405 n->dsp = reg; |
| 406 regs[cadr(n->dsp)]= INPUT_REG; | |
| 138 | 407 freg_var++; |
| 205 | 408 cadddr(args)=size(type); |
| 138 | 409 } |
| 410 } else if (type==DOUBLE) { | |
| 411 if ((reg = get_input_dregister_var(freg_var,n,is_code0,1))) { | |
| 137 | 412 n->sc = DREGISTER; |
| 205 | 413 n->dsp = reg; |
| 414 regs[cadr(n->dsp)]= INPUT_REG; | |
| 137 | 415 freg_var++; |
| 205 | 416 cadddr(args)=size(type); |
| 417 } | |
| 418 } else if (type==LONGLONG||type==ULONGLONG) { | |
| 419 if ((reg = get_input_lregister_var(reg_var,n,is_code0))) { | |
| 420 n->sc = LREGISTER; | |
| 421 n->dsp = reg; | |
| 422 regs[cadr(n->dsp)]= INPUT_REG; | |
| 423 regs[caddr(n->dsp)]= INPUT_REG; | |
| 424 reg_var+=2; | |
| 425 cadddr(args)=size(type); | |
| 137 | 426 } |
| 427 } | |
| 428 args = cadr(args); | |
| 429 } | |
| 126 | 430 if (is_function(fnptr)) |
| 431 code_save_input_registers(); | |
| 109 | 432 } |
| 433 | |
| 89 | 434 int |
| 435 get_register(void) | |
| 436 { /* 使われていないレジスタを調べる */ | |
| 120 | 437 int i,reg; |
| 96 | 438 for(i=MAX_TMP_REG;i>MIN_TMP_REG;i--) { |
| 102 | 439 if (regs[i]) continue; /* 使われている */ |
| 440 regs[i]=USING_REG; /* そのレジスタを使うことを宣言し */ | |
| 206 | 441 return regv[i]; /* その場所を表す番号を返す */ |
| 102 | 442 } |
| 135 | 443 /* PTR_CACHE をつぶす */ |
| 102 | 444 for(i=MAX_TMP_REG;i>MIN_TMP_REG;i--) { |
| 119 | 445 if (regs[i]==PTRC_REG) { |
| 98 | 446 clear_ptr_cache_reg(i); |
| 96 | 447 } else |
| 448 continue; | |
| 449 regs[i]=USING_REG; /* そのレジスタを使うことを宣言し */ | |
| 206 | 450 return regv[i]; /* その場所を表す番号を返す */ |
| 96 | 451 } |
| 452 /* search register stack */ | |
| 453 for(i=0;i<reg_sp;i++) { | |
| 120 | 454 if ((reg=reg_stack[i])>=0) { |
| 96 | 455 code_assign_lvar( |
| 120 | 456 (reg_stack[i]=new_lvar(size_of_int)),reg,0); |
| 96 | 457 reg_stack[i]= reg_stack[i]-REG_LVAR_OFFSET; |
| 120 | 458 return reg; |
| 89 | 459 } |
| 460 } | |
| 206 | 461 #if LONGLONG_CODE |
| 462 /* search register stack */ | |
| 463 for(i=0;i<lreg_sp;i++) { | |
| 464 if ((reg=lreg_stack[i])>=0) { | |
| 465 code_assign_lvar( | |
| 466 (lreg_stack[i]=new_lvar(size_of_longlong)),reg,0); | |
| 467 lreg_stack[i]= lreg_stack[i]-REG_LVAR_OFFSET; | |
| 468 free_register(reg); | |
| 469 return get_register(); | |
| 470 } | |
| 471 } | |
| 472 #endif | |
| 130 | 473 for(i=0;i<REG_VAR_BASE-REG_VAR_MIN;i++) { |
| 474 reg =REG_VAR_BASE-i; | |
| 475 if (! regs[reg]) { /* 使われていないなら */ | |
| 476 regs[reg]=USING_REG; /* そのレジスタを使うことを宣言し */ | |
| 477 if (i>max_reg_var) max_reg_var=i; | |
| 206 | 478 return regv[reg]; /* その場所を表す番号を返す */ |
| 130 | 479 } |
| 480 } | |
| 96 | 481 /* 空いている場所がないなら、エラー (いったい誰が使ってるの?) */ |
|
136
069960078249
remove redundant funcall argument for prototyped code in PowerPC case.
kono
parents:
135
diff
changeset
|
482 error(HPERR); return creg; |
| 89 | 483 } |
| 484 | |
| 93 | 485 int |
| 486 pop_register(void) | |
| 487 { /* レジスタから値を取り出す */ | |
| 488 return reg_stack[--reg_sp]; | |
| 489 } | |
| 490 | |
| 195 | 491 #if FLOAT_CODE |
| 96 | 492 int |
| 138 | 493 get_dregister(int d) |
| 96 | 494 { /* 使われていないレジスタを調べる */ |
| 103 | 495 int i,reg; |
| 145 | 496 for(i=MAX_TMP_FREG+FREG_OFFSET;i>MIN_TMP_FREG+FREG_OFFSET;i--) { |
| 497 if (regs[i]) continue; /* 使われている */ | |
| 498 regs[i]=USING_REG; /* そのレジスタを使うことを宣言し */ | |
| 206 | 499 return regv[i]; /* その場所を表す番号を返す */ |
| 102 | 500 } |
| 96 | 501 /* search register stack */ |
| 502 for(i=0;i<freg_sp;i++) { | |
| 103 | 503 if ((reg=freg_stack[i])>=0) { |
| 96 | 504 code_dassign_lvar( |
| 119 | 505 (freg_stack[i]=new_lvar(size_of_double)),reg,1); |
| 96 | 506 freg_stack[i]= freg_stack[i]-REG_LVAR_OFFSET; |
| 120 | 507 return reg; |
| 96 | 508 } |
| 509 } | |
| 130 | 510 for(i=0;i<FREG_VAR_BASE-REG_VAR_MIN;i++) { |
| 145 | 511 reg =FREG_VAR_BASE-i+FREG_OFFSET; |
| 512 if (! regs[reg]) { /* 使われていないなら */ | |
| 513 regs[reg]=USING_REG; /* そのレジスタを使うことを宣言し */ | |
| 130 | 514 if (i>max_freg_var) max_freg_var=i; |
| 206 | 515 return regv[reg]; /* その場所を表す番号を返す */ |
| 130 | 516 } |
| 517 } | |
| 96 | 518 /* 空いている場所がないなら、エラー (いったい誰が使ってるの?) */ |
| 98 | 519 error(REG_ERR); return freg; |
| 96 | 520 } |
| 521 | |
| 522 int | |
| 97 | 523 pop_fregister(void) |
| 96 | 524 { /* レジスタから値を取り出す */ |
| 525 return freg_stack[--freg_sp]; | |
| 526 } | |
| 195 | 527 #endif |
| 528 | |
| 529 int | |
| 205 | 530 get_lregister() |
| 531 { | |
| 532 int h,l,h0,l0; | |
| 533 h = get_register(); h0 = cadr(h); | |
| 534 l = get_register(); l0 = cadr(l); | |
| 535 return glist3(LREGISTER,l0,h0); | |
| 536 } | |
| 537 | |
| 538 int | |
| 195 | 539 get_lregister_var(NMTBL *n) |
| 540 { | |
| 206 | 541 int i,j; |
| 542 int max_reg_var_save=max_reg_var; | |
| 543 for(i=0;i<REG_VAR_BASE-REG_VAR_MIN;i++) { | |
| 544 if (! regs[REG_VAR_BASE-i]) { /* 使われていないなら */ | |
| 545 /* そのレジスタを使うことを宣言し */ | |
| 546 regs[REG_VAR_BASE-i]=USING_REG; | |
| 547 if (i>max_reg_var) max_reg_var=i; | |
| 548 for(j=0;j<REG_VAR_BASE-REG_VAR_MIN;j++) { | |
| 549 if (! regs[REG_VAR_BASE-j]) { /* 使われていないなら */ | |
| 550 /* そのレジスタを使うことを宣言し */ | |
| 551 regs[REG_VAR_BASE-j]=USING_REG; | |
| 552 if (j>max_reg_var) max_reg_var=j; | |
| 553 /* その場所を表す番号を返す */ | |
| 554 return list3(LREGISTER, | |
| 555 glist3(LREGISTER,REG_VAR_BASE-j,REG_VAR_BASE-i), | |
| 556 (int)n); | |
| 557 } | |
| 558 } | |
| 559 /* ひとつしかなかった */ | |
| 560 regs[REG_VAR_BASE-i]=0; | |
| 561 max_reg_var=max_reg_var_save; | |
| 562 } | |
| 563 } | |
| 204 | 564 return list2(LVAR,new_lvar(size_of_longlong)); |
| 195 | 565 } |
| 96 | 566 |
| 93 | 567 void |
| 568 emit_pop_free(int xreg) | |
| 569 { | |
| 103 | 570 if (xreg>=0) |
| 571 free_register(xreg); | |
| 93 | 572 } |
| 573 | |
| 89 | 574 void |
| 575 free_register(int i) { /* いらなくなったレジスタを開放 */ | |
| 206 | 576 int j; |
| 577 if (i==0) return; | |
| 578 j = cadr(i); regs[j]=0; | |
| 579 if (car(i)==LREGISTER) { | |
| 580 j = caddr(i); regs[j]=0; | |
| 581 free_glist3(i); | |
| 582 } | |
| 96 | 583 } |
| 584 | |
| 89 | 585 int |
| 138 | 586 get_input_dregister_var(int i,NMTBL *n,int is_code,int d) |
| 99 | 587 { |
| 126 | 588 if (is_code) { |
| 148 | 589 if(!(i<FREG_VAR_BASE-FREG_VAR_MIN)) return 0; |
| 590 i = FREG_VAR_BASE-i+FREG_OFFSET; | |
| 126 | 591 } else { |
| 135 | 592 if (i<0||i>=MAX_INPUT_DREGISTER_VAR) return 0; |
| 145 | 593 i = i+MIN_TMP_FREG+FREG_OFFSET; |
| 126 | 594 } |
| 206 | 595 return list3(DREGISTER,regv[i],(int)n); |
| 205 | 596 } |
| 597 | |
| 598 int | |
| 599 get_input_lregister_var(int i,NMTBL *n,int is_code) | |
| 600 { | |
| 601 if (is_code) { | |
| 206 | 602 if(!(i+1<REG_VAR_BASE-REG_VAR_MIN)) return 0; |
| 205 | 603 i = REG_VAR_BASE-i; |
| 604 } else { | |
| 206 | 605 if (i<0||i+1>=MAX_INPUT_REGISTER_VAR) return 0; |
| 205 | 606 i = i+MIN_TMP_REG; |
| 607 } | |
| 206 | 608 return list3(LREGISTER,list3(LREGISTER,i+1,i),(int)n); |
| 99 | 609 } |
| 610 | |
| 611 int | |
| 126 | 612 get_input_register_var(int i,NMTBL *n,int is_code) |
| 99 | 613 { |
| 126 | 614 if (is_code) { |
| 131 | 615 if(!(i<REG_VAR_BASE-REG_VAR_MIN)) return 0; |
| 126 | 616 i = REG_VAR_BASE-i; |
| 617 } else { | |
| 135 | 618 if (i<0||i>=MAX_INPUT_REGISTER_VAR) return 0; |
| 619 i = i+MIN_TMP_REG; | |
| 620 } | |
| 206 | 621 return list3(REGISTER,regv[i],(int)n); |
| 135 | 622 } |
| 623 | |
| 145 | 624 /* double register case? */ |
| 625 | |
| 135 | 626 int |
| 627 get_input_register_var_1(int i,NMTBL *n,int is_code) | |
| 628 { | |
| 629 if (is_code) { | |
| 630 if(!(i<REG_VAR_BASE-REG_VAR_MIN)) return 0; | |
| 631 i = REG_VAR_BASE-i; | |
| 632 } else { | |
| 633 if (i<0||i>=MAX_INPUT_REGISTER_VAR+1) return 0; | |
| 126 | 634 i = i+MIN_TMP_REG; |
| 635 } | |
| 206 | 636 return list3(REGISTER,regv[i],(int)n); |
| 99 | 637 } |
| 638 | |
| 639 int | |
| 137 | 640 free_register_count(int d) |
| 103 | 641 { |
| 642 int i,count,fcount; | |
| 643 fcount = count = 0; | |
| 644 for(i=0;i<MAX_REGISTER;i++) { | |
| 205 | 645 if (! regs[i]) count++; |
| 103 | 646 } |
| 647 for(i=0;i<MAX_FREGISTER;i++) { | |
| 205 | 648 if (! regs[i+FREG_OFFSET]) fcount++; |
| 103 | 649 } |
| 137 | 650 printf("# free reg %d freg %d\n",count,fcount); |
| 651 return d?fcount:count; | |
| 103 | 652 } |
| 653 | |
| 205 | 654 #if 0 |
| 655 static int | |
| 89 | 656 register_full(void) |
| 657 { | |
| 658 int i; | |
| 659 for(i=0;i<MAX_REGISTER;i++) { | |
| 660 if (! regs[i]) { | |
| 661 return 0; | |
| 662 } | |
| 663 } | |
| 664 return 1; | |
| 665 } | |
| 205 | 666 #endif |
| 89 | 667 |
| 668 void | |
| 669 free_all_register(void) | |
| 670 { | |
| 671 int i; | |
| 206 | 672 #if LONGLONG_CODE |
| 673 if (lreg) free_register(lreg); | |
| 674 lreg = 0; | |
| 675 #endif | |
| 205 | 676 for(i=0;i<MAX_REGISTER;i++) { regs[i]=0; } |
| 677 for(i=0;i<MAX_FREGISTER;i++) { regs[i+FREG_OFFSET]=0; } | |
| 195 | 678 #if FLOAT_CODE |
| 138 | 679 freg = get_dregister(1); |
| 195 | 680 set_freg(FREG_FREGISTER,0); |
| 681 #endif | |
| 682 ireg = creg = get_register(); | |
| 107 | 683 set_creg(CREG_REGISTER,0); |
| 89 | 684 return; |
| 685 } | |
| 686 | |
| 687 void | |
| 688 register_usage(char *s) | |
| 689 { | |
| 141 | 690 #if 0 |
| 89 | 691 int i; |
| 126 | 692 #endif |
| 89 | 693 if (chk) return; |
| 109 | 694 if (!lsrc) return; |
| 89 | 695 printf("# %d: %s:",lineno,s); |
| 206 | 696 if (ireg) printf(" creg=%s",register_name(ireg)); |
| 697 if (freg) printf(" freg=%s",fregister_name(freg)); | |
| 698 if (lreg) printf(" lreg=%s,%s",lregister_name_high(lreg), | |
| 699 lregister_name_low(lreg)); | |
| 141 | 700 #if 0 |
| 126 | 701 printf("\n# regs:"); |
| 702 for(i=0;i<MAX_REGISTER;i++) { printf("%d",regs[i]); } | |
| 101 | 703 printf("\n# freg:"); |
| 145 | 704 for(i=0;i<MAX_FREGISTER;i++) { printf("%d",regs[i+FREG_OFFSET]); } |
| 89 | 705 for(i=reg_sp;i>=0;i--) { |
| 706 if(reg_stack[i]>=0) | |
| 134 | 707 printf(" %s",register_name(reg_stack[i])); |
| 89 | 708 } |
| 709 #endif | |
| 710 printf("\n"); | |
| 711 } | |
| 712 | |
| 713 void | |
| 714 gexpr_init(void) | |
| 715 { | |
| 716 while(reg_sp > 0) { | |
| 717 free_register(reg_stack[--reg_sp]); | |
| 718 } | |
| 148 | 719 while(freg_sp > 0) { |
| 720 free_register(freg_stack[--freg_sp]); | |
| 721 } | |
| 206 | 722 while(lreg_sp > 0) { |
| 723 free_register(lreg_stack[--lreg_sp]); | |
| 724 } | |
| 89 | 725 text_mode(); |
| 726 gexpr_code_init(); | |
| 727 register_usage("gexpr_init"); | |
| 728 } | |
| 729 | |
| 730 | |
| 731 void | |
| 732 emit_init(void) | |
| 733 { | |
| 734 free_all_register(); | |
| 110 | 735 max_reg_var=-1; max_freg_var=-1; |
| 89 | 736 reg_sp = 0; |
| 123 | 737 freg_sp = 0; |
| 89 | 738 text_mode(); |
| 739 } | |
| 740 | |
| 97 | 741 |
| 89 | 742 int |
| 105 | 743 get_register_var(NMTBL *n) |
| 89 | 744 { |
| 745 int i; | |
| 99 | 746 for(i=0;i<REG_VAR_BASE-REG_VAR_MIN;i++) { |
| 137 | 747 if (! regs[REG_VAR_BASE-i]) { /* 使われていないなら */ |
| 748 /* そのレジスタを使うことを宣言し */ | |
| 749 regs[REG_VAR_BASE-i]=USING_REG; | |
| 97 | 750 if (i>max_reg_var) max_reg_var=i; |
| 122 | 751 /* その場所を表す番号を返す */ |
| 206 | 752 return list3(REGISTER,glist2(REGISTER,REG_VAR_BASE-i),(int)n); |
| 137 | 753 } |
| 96 | 754 } |
| 104 | 755 return list2(LVAR,new_lvar(size_of_int)); |
| 96 | 756 } |
| 757 | |
| 758 int | |
| 138 | 759 get_dregister_var(NMTBL *n,int d) |
| 96 | 760 { |
| 761 int i; | |
| 148 | 762 for(i=0;i<FREG_VAR_BASE-FREG_VAR_MIN;i++) { |
| 145 | 763 if (! regs[FREG_VAR_BASE-i+FREG_OFFSET]) { /* 使われていないなら */ |
| 764 regs[FREG_VAR_BASE-i+FREG_OFFSET]=USING_REG; /*そのレジスタを使うことを宣言し*/ | |
| 97 | 765 if (i>max_freg_var) max_freg_var=i; |
| 122 | 766 /* その場所を表す番号を返す */ |
| 206 | 767 return list3(DREGISTER, |
| 768 glist2(DREGISTER,FREG_VAR_BASE-i+FREG_OFFSET),(int)n); | |
| 89 | 769 } |
| 770 } | |
| 104 | 771 return list2(LVAR,new_lvar(size_of_double)); |
| 89 | 772 } |
| 773 | |
| 774 void | |
| 107 | 775 emit_push() |
| 89 | 776 { |
| 777 int new_reg; | |
| 102 | 778 if (reg_sp>MAX_MAX) error(-1); |
| 89 | 779 new_reg = get_register(); |
| 97 | 780 reg_stack[reg_sp++] = creg; /* push するかわりにレジスタを使う */ |
| 147 | 781 ireg = creg = new_reg; |
| 89 | 782 } |
| 783 | |
| 784 int | |
| 93 | 785 emit_pop(int type) |
| 89 | 786 { |
| 112 | 787 int xreg,reg; |
| 97 | 788 xreg=pop_register(); |
| 789 if (xreg<= -REG_LVAR_OFFSET) { | |
| 112 | 790 reg = get_register(); |
| 119 | 791 code_rlvar(REG_LVAR_OFFSET+xreg,reg); |
| 117 | 792 free_lvar(REG_LVAR_OFFSET+xreg); |
| 112 | 793 xreg = reg; |
| 97 | 794 } |
| 89 | 795 return xreg; |
| 796 } | |
| 797 | |
| 186 | 798 int |
| 799 stack_top(int type) | |
| 800 { | |
| 801 int xreg; | |
| 802 if (type==INT) { | |
| 803 xreg = reg_stack[reg_sp]; | |
| 804 if (xreg<= -REG_LVAR_OFFSET) { | |
| 805 return list2(LVAR,REG_LVAR_OFFSET+xreg); | |
| 806 } else { | |
| 206 | 807 return xreg; |
| 186 | 808 } |
| 809 } else { | |
| 810 xreg = freg_stack[freg_sp]; | |
| 811 if (xreg<= -REG_LVAR_OFFSET) { | |
| 812 return list2(LVAR,REG_LVAR_OFFSET+xreg); | |
| 813 } else { | |
| 206 | 814 return xreg; |
| 186 | 815 } |
| 816 } | |
| 817 return xreg; | |
| 818 } | |
| 819 | |
|
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
820 static int code_base; |
| 89 | 821 |
| 822 #define MAX_PTR_CACHE 10 | |
| 823 | |
| 824 int ptr_cache=0; | |
| 825 | |
| 93 | 826 void |
| 90 | 827 init_ptr_cache() |
| 828 { | |
| 829 int i; | |
| 830 for(i=0;i<MAX_PTR_CACHE;i++) { | |
| 831 ptr_cache=glist3(0,ptr_cache,0); | |
| 832 } | |
| 833 } | |
| 834 | |
| 95 | 835 void |
| 96 | 836 clear_ptr_cache_reg(int r) |
| 837 { | |
| 838 int ptcptr=ptr_cache; | |
| 839 while(ptcptr) { | |
| 840 if(car(ptcptr)&&caddr(ptcptr)==r) { | |
| 841 car(ptcptr)=0; | |
| 842 caddr(ptcptr)=0; | |
| 102 | 843 free_register(r); |
| 98 | 844 return; |
| 96 | 845 } |
| 846 ptcptr=cadr(ptcptr); | |
| 847 } | |
| 848 } | |
| 849 | |
| 850 void | |
| 89 | 851 clear_ptr_cache() |
| 852 { | |
| 853 int ptcptr=ptr_cache; | |
| 854 while(ptcptr) { | |
| 855 if(car(ptcptr)) | |
| 856 free_register(caddr(ptcptr)); | |
| 857 car(ptcptr)=0; | |
| 858 caddr(ptcptr)=0; | |
| 859 ptcptr=cadr(ptcptr); | |
| 860 } | |
| 861 } | |
| 862 | |
| 863 | |
| 864 int | |
| 109 | 865 get_ptr_cache(NMTBL *nptr) |
| 89 | 866 { |
| 867 int r; | |
| 868 int ptcptr=ptr_cache; | |
| 109 | 869 int g = (int)nptr; |
| 89 | 870 int p,p1; |
| 95 | 871 char *rrn; |
| 89 | 872 |
| 127 | 873 p1 = ptcptr; p = cadr(p1); /* unnecesary, if ptcptr is initialized */ |
| 89 | 874 while(ptcptr) { |
| 875 if(car(ptcptr)==g) return caddr(ptcptr); | |
| 876 p1=p; p=ptcptr; | |
| 877 ptcptr=cadr(ptcptr); | |
| 878 } | |
| 879 cadr(p1)=0; /* remove the last one */ | |
| 880 cadr(p) = ptr_cache; /* connect current queue to the last one */ | |
| 881 ptr_cache = p; /* now the last one is the top */ | |
| 882 if (!caddr(p)) { | |
| 96 | 883 if((r=get_register())) { |
| 206 | 884 caddr(p)=r; regs[cadr(r)]=PTRC_REG; |
| 127 | 885 } else { |
| 886 error(-1); | |
| 96 | 887 r=creg; /* this can't happen */ |
| 127 | 888 } |
| 102 | 889 car(p)=g; |
| 127 | 890 } else { |
| 891 r = caddr(p); | |
| 89 | 892 } |
| 893 rrn = register_name(r); | |
| 109 | 894 if (nptr->sc==STATIC) { |
| 895 printf("\taddis %s,r31,ha16(_%s-L_%d)\n", | |
| 896 rrn,nptr->nm,code_base); | |
| 897 printf("\tla %s,lo16(_%s-L_%d)(%s)\n", | |
| 898 rrn,nptr->nm,code_base,rrn); | |
| 899 } else { | |
| 900 printf("\taddis %s,r31,ha16(L_%s$non_lazy_ptr-L_%d)\n", | |
| 901 rrn,nptr->nm,code_base); | |
| 902 printf("\tlwz %s,lo16(L_%s$non_lazy_ptr-L_%d)(%s)\n", | |
| 903 rrn,nptr->nm,code_base,rrn); | |
| 904 } | |
| 89 | 905 return r; |
| 906 } | |
| 907 | |
| 168 | 908 static char *cload(int sz) { return sz==1?"lbz":sz==size_of_short?"lhz":"lwz"; } |
| 909 static char *cstore(int sz) { return sz==1?"stb":sz==size_of_short?"sth":"stw"; } | |
| 910 static char *cext(int sz) { return sz==size_of_short?"extsh":"extsb"; } | |
| 911 | |
| 89 | 912 void |
| 92 | 913 code_label(int labelno) |
| 914 { | |
| 915 clear_ptr_cache(); | |
| 102 | 916 printf("L_%d:\n",labelno); |
| 92 | 917 } |
| 918 | |
| 919 void | |
| 107 | 920 code_gvar(int e1,int creg) { |
| 89 | 921 int r; |
| 109 | 922 r = get_ptr_cache((NMTBL*)cadr(e1)); |
| 89 | 923 if(r!=creg) |
| 924 printf("\tmr %s,%s\n",register_name(creg),register_name(r)); | |
| 925 return; | |
| 926 } | |
| 927 | |
| 928 void | |
| 107 | 929 code_rgvar(int e1,int creg) { |
| 147 | 930 if (!is_int_reg(creg)) error(-1); |
| 108 | 931 printf("\tlwz %s,0(%s)\n",register_name(creg), |
| 109 | 932 register_name(get_ptr_cache((NMTBL*)cadr(e1)))); |
| 89 | 933 } |
| 934 | |
| 935 void | |
| 165 | 936 code_crgvar(int e1,int creg,int sign,int sz){ |
| 107 | 937 char *crn = register_name(creg); |
| 168 | 938 printf("\t%s %s,0(%s)\n",cload(sz),crn, |
| 109 | 939 register_name(get_ptr_cache((NMTBL*)cadr(e1)))); |
| 162 | 940 if (sign) |
| 168 | 941 printf("\t%s %s,%s\n",cext(sz),crn,crn); |
| 89 | 942 } |
| 943 | |
| 165 | 944 |
| 945 | |
| 89 | 946 void |
| 107 | 947 code_register(int e2,int creg) { |
| 90 | 948 if (creg!=e2) |
| 949 printf("\tmr %s,%s\n",register_name(creg),register_name(e2)); | |
| 89 | 950 } |
| 951 | |
| 952 | |
| 953 void | |
| 95 | 954 code_rlvar(int e2,int reg) { |
| 119 | 955 lvar_intro(e2); |
| 147 | 956 if (!is_int_reg(reg)) error(-1); |
| 119 | 957 printf("\tlwz %s,",register_name(reg)); |
| 958 lvar(e2); | |
| 89 | 959 } |
| 960 | |
| 961 void | |
| 165 | 962 code_crlvar(int e2,int reg,int sign,int sz) { |
| 119 | 963 lvar_intro(e2); |
| 165 | 964 printf("\t%s %s,",cload(sz),register_name(reg)); |
| 119 | 965 lvar(e2); |
| 162 | 966 if (sign) |
| 165 | 967 printf("\t%s %s,%s\n",cext(sz),register_name(reg),register_name(reg)); |
| 89 | 968 } |
| 969 | |
| 165 | 970 |
| 971 | |
| 160 | 972 |
| 89 | 973 |
| 974 void | |
| 109 | 975 code_fname(NMTBL *n,int creg) { |
| 89 | 976 int r; |
| 109 | 977 r = get_ptr_cache(n); |
| 89 | 978 if(r!=creg) |
| 95 | 979 printf("\tmr %s,%s\n",register_name(creg),register_name(r)); |
| 89 | 980 return; |
| 981 } | |
| 982 | |
| 983 | |
| 984 void | |
| 107 | 985 code_const(int e2,int creg) { |
| 89 | 986 char *crn = register_name(creg); |
| 987 if (-32768<e2&&e2<32768) | |
| 988 printf("\tli %s,%d\n",crn,e2); | |
| 989 else { | |
| 990 printf("\tlis %s,ha16(%d)\n",crn,e2); | |
| 991 printf("\taddi %s,%s,lo16(%d)\n",crn,crn,e2); | |
| 992 } | |
| 993 } | |
| 994 | |
| 995 | |
| 996 void | |
| 107 | 997 code_neg(int creg) { |
| 93 | 998 printf("\tneg %s,%s\n", register_name(creg), register_name(creg)); |
| 89 | 999 } |
| 1000 | |
| 1001 | |
| 1002 void | |
| 107 | 1003 code_not(int creg) { |
| 89 | 1004 printf("\tnor %s,%s,%s\n", |
| 1005 register_name(creg), register_name(creg),register_name(creg)); | |
| 1006 } | |
| 1007 | |
| 1008 | |
| 1009 void | |
| 107 | 1010 code_lnot(int creg) { |
| 89 | 1011 printf("\tsubfic r0,%s,0\n", register_name(creg)); |
| 1012 printf("\tadde %s,r0,%s\n", register_name(creg),register_name(creg)); | |
| 1013 } | |
| 1014 | |
| 1015 void | |
| 168 | 1016 code_preinc(int e1,int e2,int dir,int sign,int sz,int reg) { |
| 89 | 1017 char *xrn,*drn; |
| 1018 int i,dreg; | |
| 1019 if (car(e2)==REGISTER) { | |
| 95 | 1020 printf("\taddi %s,%s,%d\n", |
| 168 | 1021 register_name(cadr(e2)),register_name(cadr(e2)), dir); |
| 118 | 1022 if (cadr(reg)!=e2) |
| 1023 printf("\tmr %s,%s\n",register_name(cadr(reg)),register_name(e2)); | |
| 89 | 1024 return; |
| 1025 } | |
| 1026 g_expr(e2); | |
| 1027 xrn = register_name(creg); | |
| 1028 dreg=get_register(); if (!dreg) error(-1); | |
| 1029 drn = register_name(dreg); | |
| 168 | 1030 printf("\t%s %s,0(%s)\n",cload(sz),drn,xrn); |
| 172 | 1031 if (use && sign && sz!=size_of_int) |
| 168 | 1032 printf("\t%s %s,%s\n",cext(sz),drn,drn); |
| 1033 printf("\taddi %s,%s,%d\n",drn,drn,dir); | |
| 1034 printf("\t%s %s,0(%s)\n",cstore(sz),drn,xrn); | |
| 89 | 1035 i=creg;creg=dreg;dreg=i; |
| 205 | 1036 ireg=creg; |
| 89 | 1037 free_register(dreg); |
| 1038 } | |
| 1039 | |
| 1040 | |
| 1041 void | |
| 168 | 1042 code_postinc(int e1,int e2,int dir,int sign,int sz,int reg) { |
| 89 | 1043 char *xrn,*crn,*nrn; |
| 95 | 1044 int dreg,nreg,i; |
| 89 | 1045 if (car(e2)==REGISTER) { |
| 107 | 1046 printf("\tmr %s,%s\n",register_name(reg),register_name(cadr(e2))); |
| 89 | 1047 printf("\taddi %s,%s,%d\n", |
| 168 | 1048 register_name(cadr(e2)),register_name(cadr(e2)),dir); |
| 89 | 1049 return; |
| 1050 } | |
| 1051 g_expr(e2); | |
| 1052 crn = register_name(creg); | |
| 1053 dreg=get_register(); if (!dreg) error(-1); | |
| 1054 xrn = register_name(dreg); | |
| 1055 nreg=get_register(); if (!nreg) error(-1); | |
| 1056 nrn = register_name(nreg); | |
| 168 | 1057 printf("\t%s %s,0(%s)\n",cload(sz),xrn,crn); |
| 172 | 1058 if (use && sign && sz!=size_of_int) |
| 168 | 1059 printf("\t%s %s,%s\n",cext(sz),xrn,xrn); |
| 1060 printf("\taddi %s,%s,%d\n",nrn,xrn,dir); | |
| 1061 printf("\t%s %s,0(%s)\n",cstore(sz),nrn,crn); | |
| 1062 i=creg;creg=dreg;dreg=i; | |
| 89 | 1063 free_register(nreg); |
| 1064 free_register(dreg); | |
| 205 | 1065 ireg=creg; |
| 89 | 1066 } |
| 1067 | |
| 1068 | |
| 1069 void | |
| 107 | 1070 code_return(int creg) { |
| 95 | 1071 char *crn = register_name(creg); |
| 102 | 1072 printf("\taddis %s,r31,ha16(L_%d-L_%d)\n",crn,retcont,code_base); |
| 1073 printf("\tla %s,lo16(L_%d-L_%d)(%s)\n",crn,retcont,code_base,crn); | |
| 89 | 1074 } |
| 1075 | |
| 128 | 1076 #define R1SAVE 1 |
| 89 | 1077 |
| 1078 void | |
| 107 | 1079 code_environment(int creg) { |
| 126 | 1080 /* save frame pointer */ |
| 128 | 1081 #if R1SAVE |
| 1082 printf("\tlwz %s,0(r1)\n",register_name(creg)); | |
| 1083 #else | |
| 1084 int l = 0; | |
| 1085 printf("\tla %s,",register_name(creg)); | |
| 1086 printf("lo16(%d+L_%d)(r30)\n",FUNC_LVAR,lvar_offset_label); | |
| 1087 #endif | |
| 89 | 1088 } |
| 1089 | |
| 1090 void | |
| 116 | 1091 code_bool(int e1) { |
| 89 | 1092 char *xrn; |
| 1093 int e2,e3; | |
| 1094 b_expr(e1,1,e2=fwdlabel(),1); /* including > < ... */ | |
| 147 | 1095 creg = use_int(creg); |
| 89 | 1096 xrn = register_name(creg); |
| 1097 printf("\tli %s,0\n",xrn); | |
| 1098 jmp(e3=fwdlabel()); | |
| 1099 fwddef(e2); | |
| 1100 printf("\tli %s,1\n",xrn); | |
| 1101 fwddef(e3); | |
| 1102 } | |
| 1103 | |
| 1104 char * | |
| 1105 code_gt(int cond) { | |
| 113 | 1106 return (cond?"gt":"le"); |
| 89 | 1107 } |
| 1108 | |
| 1109 char * | |
| 1110 code_ugt(int cond) { | |
| 113 | 1111 return (cond?"gt":"le"); |
| 89 | 1112 } |
| 1113 | |
| 1114 char * | |
| 1115 code_ge(int cond) { | |
| 113 | 1116 return (cond?"ge":"lt"); |
| 89 | 1117 } |
| 1118 | |
| 1119 char * | |
| 1120 code_uge(int cond) { | |
| 113 | 1121 return (cond?"ge":"lt"); |
| 89 | 1122 } |
| 1123 | |
| 1124 char * | |
| 1125 code_eq(int cond) { | |
| 113 | 1126 return (cond?"eq":"ne"); |
| 89 | 1127 } |
| 1128 | |
| 1129 void | |
| 167 | 1130 code_cmp_crgvar(int e1,int sz) { |
| 89 | 1131 int r; |
| 1132 char *crn = register_name(creg); | |
| 109 | 1133 r = get_ptr_cache((NMTBL*)cadr(e1)); |
| 167 | 1134 printf("\t%s %s,0(%s)\n",cload(sz),crn,register_name(r)); |
| 89 | 1135 printf("\tcmpwi cr0,%s,0\n",crn); |
| 1136 } | |
| 1137 | |
| 1138 | |
| 1139 void | |
| 167 | 1140 code_cmp_crlvar(int e2,int sz) { |
| 89 | 1141 char *crn = register_name(creg); |
| 119 | 1142 lvar_intro(e2); |
| 167 | 1143 printf("\t%s %s,",cload(sz),crn); |
| 160 | 1144 lvar(e2); |
| 1145 code_cmp_register(creg); | |
| 1146 } | |
| 1147 | |
| 89 | 1148 |
| 1149 void | |
| 1150 code_cmp_rgvar(int e1) { | |
| 1151 int r; | |
| 1152 char *crn = register_name(creg); | |
| 147 | 1153 if (!is_int_reg(creg)) error(-1); |
| 109 | 1154 r = get_ptr_cache((NMTBL*)cadr(e1)); |
| 108 | 1155 printf("\tlwz %s,0(%s)\n",crn,register_name(r)); |
| 89 | 1156 code_cmp_register(creg); |
| 1157 } | |
| 1158 | |
| 1159 | |
| 1160 void | |
| 119 | 1161 code_cmp_rlvar(int e2) { |
| 89 | 1162 char *crn = register_name(creg); |
| 119 | 1163 lvar_intro(e2); |
| 1164 printf("\tlwz %s,",crn); | |
| 1165 lvar(e2); | |
| 89 | 1166 code_cmp_register(creg); |
| 1167 } | |
| 1168 | |
| 1169 | |
| 1170 void | |
| 1171 code_cmp_register(int e2) { | |
| 1172 printf("\tcmpwi cr0,%s,0\n",register_name(e2)); | |
| 1173 } | |
| 1174 | |
| 1175 | |
| 1176 void | |
| 1177 ascii(char *s) | |
| 1178 { | |
| 1179 printf("\t.ascii \""); | |
| 1180 while(*s) { | |
| 1181 if (*s=='\n') | |
| 1182 printf("%cn",92); | |
| 1183 else if (*s<' ') | |
| 1184 printf("%c%03o",92,*s); | |
| 116 | 1185 else if (*s=='\\') |
| 1186 printf("\\\\"); | |
| 89 | 1187 else if (*s==34) |
| 1188 printf("%c%c",92,34); | |
| 1189 else | |
| 1190 printf("%c",*s); | |
| 1191 s++; | |
| 1192 } | |
| 108 | 1193 printf("\\0%c\n\t.align 2\n",34); |
| 89 | 1194 } |
| 1195 | |
| 1196 void | |
| 107 | 1197 code_string(int e1,int creg) |
| 89 | 1198 { |
| 95 | 1199 char *s,*crn; |
| 1200 int lb; | |
| 1201 crn=register_name(creg); | |
| 89 | 1202 |
| 1203 s=(char *)cadr(e1); | |
| 109 | 1204 printf(".data\t\n.cstring\n\t.align 2\n"); |
| 89 | 1205 lb=fwdlabel(); |
| 102 | 1206 printf("L_%d:\n",lb); |
| 89 | 1207 ascii(s); |
| 1208 if (output_mode==TEXT_EMIT_MODE) { | |
| 1209 printf(".text\n"); | |
| 1210 } else { | |
| 1211 text_mode(); | |
| 1212 } | |
| 102 | 1213 printf("\taddis %s,r31,ha16(L_%d-L_%d)\n",crn,lb,code_base); |
| 1214 printf("\tla %s,lo16(L_%d-L_%d)(%s)\n",crn,lb,code_base,crn); | |
| 89 | 1215 } |
| 1216 | |
| 1217 #define MAX_COPY_LEN 20 | |
| 1218 | |
| 1219 void | |
| 1220 emit_copy(int from,int to,int length,int offset,int value,int det) | |
| 1221 { | |
| 1222 char *frn = register_name(from); | |
| 1223 char *trn = register_name(to); | |
| 1224 char *drn; | |
| 1225 int fix = 0; | |
| 125 | 1226 char *memmove = "memmove"; |
| 95 | 1227 int dreg = get_register(); if (!dreg) error(-1); |
| 89 | 1228 drn = register_name(dreg); |
| 1229 | |
| 1230 /* length <0 means upward direction copy */ | |
| 1231 switch (length) { | |
| 1232 case 0: break; | |
| 1233 case 1: case -1: | |
| 1234 printf("\tlbz %s,%d(%s)\n",drn,offset,frn); | |
| 1235 printf("\tstb %s,%d(%s)\n",drn,offset,trn); | |
| 1236 break; | |
| 1237 case 2: case -2: | |
| 1238 printf("\tlhz %s,%d(%s)\n",drn,offset,frn); | |
| 1239 printf("\tsth %s,%d(%s)\n",drn,offset,trn); | |
| 1240 break; | |
| 1241 case 4: case -4: | |
| 1242 printf("\tlwz %s,%d(%s)\n",drn,offset,frn); | |
| 1243 printf("\tstw %s,%d(%s)\n",drn,offset,trn); | |
| 1244 break; | |
| 1245 default: | |
| 1246 if (-MAX_COPY_LEN<length && length <0) { | |
| 1247 for(;length<=4;length+=4,offset-=4) | |
| 1248 emit_copy(from,to,4,offset,0,det); | |
| 1249 for(;length<=2;length+=2,offset-=2) | |
| 1250 emit_copy(from,to,2,offset,0,det); | |
| 1251 if(length>0) | |
| 1252 emit_copy(from,to,length,offset,0,det); | |
| 1253 break; | |
| 1254 } else if (length <=MAX_COPY_LEN) { | |
| 1255 for(;length>=4;length-=4,offset+=4) | |
| 1256 emit_copy(from,to,4,offset,0,det); | |
| 1257 for(;length>=2;length-=2,offset+=2) | |
| 1258 emit_copy(from,to,2,offset,0,det); | |
| 1259 if(length>0) | |
| 1260 emit_copy(from,to,length,offset,0,det); | |
| 1261 break; | |
| 1262 } | |
| 125 | 1263 clear_ptr_cache(); |
| 1264 code_save_stacks(); | |
| 1265 printf("\tli r5,%d\n",length); | |
| 1266 printf("\tmr r4,%s\n",frn); | |
| 1267 printf("\tmr r3,%s\n",trn); | |
| 1268 /* overrap must be allowed */ | |
| 1269 printf("\tbl L_%s$stub\n",memmove); | |
| 1270 extern_define(memmove,0,FUNCTION,1); | |
| 1271 fix=0; | |
| 1272 set_creg(RET_REGISTER,0); | |
| 1273 if (creg!=to) { | |
| 1274 free_register(to); to = creg; | |
| 89 | 1275 } |
| 125 | 1276 break; |
| 89 | 1277 } |
| 1278 if (value) { | |
| 1279 /* creg must point top of the destination data */ | |
| 1280 /* this code is necessary for the value of assignment or function call */ | |
| 1281 /* otherwise we don't need this */ | |
| 1282 if (fix) printf("\taddi %s,%s,%d\n",trn,trn,fix); | |
| 1283 if(creg!=to) { | |
| 1284 free_register(creg); creg=to; | |
| 1285 } | |
| 1286 } | |
| 1287 free_register(dreg); | |
| 1288 } | |
| 1289 | |
| 1290 int | |
| 119 | 1291 struct_push(int e4,int t,int arg) |
| 89 | 1292 { |
| 95 | 1293 int length,count; |
| 119 | 1294 int dreg,sreg; char *drn,*crn,*srn; |
| 89 | 1295 g_expr(e4); |
| 1296 length=size(t); | |
| 1297 if(length%size_of_int) { | |
| 1298 length += size_of_int - (length%size_of_int); | |
| 1299 } | |
| 95 | 1300 dreg = get_register(); if (!dreg) error(-1); |
| 89 | 1301 drn = register_name(dreg); |
| 119 | 1302 crn = register_name(creg); |
| 125 | 1303 if (length<MAX_COPY_LEN) { |
| 1304 sreg = get_register(); if (!sreg) error(-1); | |
| 1305 srn = register_name(sreg); | |
| 1306 code_lvar(cadr(arg),sreg); | |
| 1307 for(count=0;length<MAX_COPY_LEN;count++,length-=size_of_int) { | |
| 1308 if (length==0) { | |
| 1309 free_register(sreg); | |
| 1310 free_register(dreg); | |
| 1311 return count; | |
| 1312 } else { | |
| 1313 printf("\tlwz %s,%d(%s)\n",drn,length-size_of_int,crn); | |
| 1314 printf("\tstwu %s,%d(%s)\n",drn,-size_of_int,srn); | |
| 1315 } | |
| 89 | 1316 } |
| 1317 } | |
| 125 | 1318 code_lvar(cadr(arg),dreg); |
| 89 | 1319 /* downward direction copy */ |
| 1320 emit_copy(creg,dreg,length,0,0,1); | |
| 119 | 1321 if (dreg) free_register(dreg); |
| 89 | 1322 return length/size_of_int; |
| 1323 } | |
| 1324 | |
| 104 | 1325 void |
| 1326 set_creg(int reg,int mode) | |
| 1327 { | |
| 1328 if (reg!=creg) { | |
| 111 | 1329 clear_ptr_cache_reg(reg); |
| 206 | 1330 if (ireg && reg!=ireg && mode) { |
| 147 | 1331 printf("\tmr %s,%s\n",register_name(reg),register_name(ireg)); |
| 206 | 1332 } |
| 104 | 1333 free_register(creg); |
| 206 | 1334 regs[cadr(creg)]=USING_REG; |
| 104 | 1335 } |
| 206 | 1336 creg = ireg = reg; |
| 104 | 1337 } |
| 1338 | |
| 1339 void | |
| 1340 set_freg(int reg,int mode) | |
| 1341 { | |
| 147 | 1342 if (reg!=creg) { |
| 1343 if (reg!=freg && mode) { | |
| 104 | 1344 printf("\tfmr %s,%s\n",fregister_name(reg),fregister_name(freg)); |
| 147 | 1345 } |
| 1346 free_register(creg); | |
| 206 | 1347 regs[cadr(freg)]=USING_REG; |
| 104 | 1348 } |
| 206 | 1349 creg = freg = reg; |
| 195 | 1350 } |
| 1351 | |
| 1352 void | |
| 1353 set_lreg(int reg,int mode) | |
| 1354 { | |
| 206 | 1355 if (reg!=creg) { |
| 1356 if (reg!=lreg && mode) { | |
| 1357 printf("\tmr %s,%s\n", | |
| 1358 lregister_name_low(reg),lregister_name_low(lreg)); | |
| 1359 printf("\tmr %s,%s\n", | |
| 1360 lregister_name_high(reg),lregister_name_high(lreg)); | |
| 1361 } | |
| 1362 regs[cadr(lreg)]=USING_REG; | |
| 1363 regs[caddr(lreg)]=USING_REG; | |
| 1364 free_register(creg); | |
| 1365 } | |
| 1366 creg = lreg = reg; | |
| 104 | 1367 } |
| 1368 | |
| 1369 void | |
| 1370 use_var(int arg) | |
| 1371 { | |
| 1372 if (car(arg)==REGISTER) | |
| 116 | 1373 regs[cadr(arg)]=USING_REG; |
| 104 | 1374 else if (car(arg)==DREGISTER) |
| 145 | 1375 regs[cadr(arg)]=USING_REG; |
| 206 | 1376 else if (car(arg)==LREGISTER) { |
| 1377 regs[cadr(arg)]=USING_REG; | |
| 1378 regs[caddr(arg)]=USING_REG; | |
| 1379 } | |
| 104 | 1380 } |
| 1381 | |
| 105 | 1382 void |
| 1383 code_save_input_registers() | |
| 1384 { | |
| 119 | 1385 int args; |
| 1386 NMTBL *n; | |
| 1387 int reg; | |
| 1388 int tag; | |
| 1389 int lvar; | |
| 1390 int t; | |
| 1391 /* fnptr->dsp=list4(type,fnptr->dsp,(int)n,0); */ | |
| 1392 int reg_offset = 0; | |
| 1393 int offset = 0; | |
| 1394 | |
| 1395 for(args = fnptr->dsp;args;args = cadr(args)) { | |
| 1396 n = (NMTBL *)caddr(args); | |
| 1397 tag = n->sc; | |
| 1398 reg = n->dsp; | |
| 1399 if (!n||n==&null_nptr) error(REG_ERR); | |
| 1400 if (tag==REGISTER) { | |
| 1401 /* regs[reg]==INPUT_REG case should be considered */ | |
| 1402 n->dsp = offset; | |
| 1403 offset+=size_of_int; | |
| 1404 t = INT; | |
| 1405 reg += reg_offset; /* for duplicated floating point argument */ | |
| 1406 } else if (tag==DREGISTER) { | |
| 145 | 1407 /* regs[reg]==INPUT_REG case should be considered */ |
| 119 | 1408 n->dsp = offset; |
| 120 | 1409 t = n->ty; |
| 121 | 1410 if(t==FLOAT) { offset+=size_of_float; reg_offset+=1; } |
| 1411 else if(t==DOUBLE) { offset+=size_of_double; reg_offset+=2; } | |
| 120 | 1412 else error(-1); |
| 206 | 1413 } else if (tag==LREGISTER) { |
| 1414 /* regs[reg]==INPUT_REG case should be considered */ | |
| 1415 n->dsp = offset; | |
| 1416 t = n->ty; | |
| 1417 offset+=size_of_longlong; reg_offset+=2; | |
| 122 | 1418 } else { |
| 1419 offset += size(n->ty); | |
| 119 | 1420 continue; |
| 122 | 1421 } |
| 119 | 1422 n->sc = LVAR; |
| 1423 lvar = list2(LVAR,n->dsp); | |
| 1424 g_expr_u(assign_expr0(list2(LVAR,n->dsp),list3(tag,reg,(int)n),n->ty,t)); | |
| 206 | 1425 if (tag==REGISTER||tag==DREGISTER||tag==FREGISTER||tag==LREGISTER) { |
| 119 | 1426 free_register(reg); |
| 1427 } | |
| 1428 } | |
| 121 | 1429 my_func_args = offset; |
| 105 | 1430 } |
| 1431 | |
| 95 | 1432 int |
| 108 | 1433 simple_args(int e3) |
| 1434 { | |
| 1435 return | |
| 1436 !contains_in_list(e3,FUNCTION) && | |
| 1437 !contains_in_list(e3,CONV) && | |
| 125 | 1438 !contains_in_list(e3,RSTRUCT) && |
| 164 | 1439 !contains_in_list(e3,STASS) |
| 108 | 1440 ; |
| 1441 } | |
| 1442 | |
| 119 | 1443 int |
| 1444 caller_arg_offset_v(int arg) | |
| 1445 { | |
| 1446 return ARG_LVAR_OFFSET+arg*size_of_int; | |
| 1447 } | |
| 111 | 1448 |
| 108 | 1449 int |
| 89 | 1450 function(int e1) |
| 1451 { | |
| 119 | 1452 int e2,e3,e4,e5,nargs,t,r0,r1; |
| 104 | 1453 int arg,reg_arg,freg_arg,arg_assign; |
|
136
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1454 int dots; |
| 111 | 1455 int reg_arg_list=0,ret_type,special_lvar; |
| 127 | 1456 NMTBL *fn = 0; |
| 108 | 1457 int jmp = 0; |
| 1458 char *jrn; | |
| 95 | 1459 |
| 111 | 1460 special_lvar = -1; |
|
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1461 ret_type = cadr(cadddr(e1)); |
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1462 if (ret_type==CHAR) ret_type=INT; |
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1463 |
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1464 /* check argments type is DOTS? */ |
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1465 t = caddr(cadddr(e1)); |
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1466 if (t==0 || t==DOTS) dots = 1; |
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1467 else { |
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1468 dots = 0; |
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1469 for(t = caddr(cadddr(e1));t;t = cadr(t)) { |
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1470 if (car(t)==DOTS) dots = 1; |
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1471 } |
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1472 } |
| 108 | 1473 |
| 1474 e2 = cadr(e1); | |
| 1475 if (car(e2) == FNAME) { | |
| 1476 fn=(NMTBL *)cadr(e2); | |
| 1477 } else { | |
| 1478 jmp = get_register_var(0); | |
| 1479 if (car(jmp)!=REGISTER) error(-1); | |
| 1480 reg_arg_list = list2(jmp,reg_arg_list); | |
| 116 | 1481 g_expr(e2); |
| 1482 code_register(creg,cadr(jmp)); | |
| 1483 /* g_expr(assign_expr0(jmp,e2,INT,INT)); functions are lvalue */ | |
| 108 | 1484 } |
| 1485 | |
| 99 | 1486 /* now all input register vars are free */ |
| 108 | 1487 code_save_stacks(); |
| 107 | 1488 set_creg(CREG_REGISTER,0); |
| 1489 set_freg(FREG_FREGISTER,0); | |
| 108 | 1490 |
| 1491 nargs = reg_arg = freg_arg = arg_assign = 0; | |
| 105 | 1492 for (e3 = reverse0(caddr(e1)); e3; e3 = cadr(e3)) { |
| 89 | 1493 t=caddr(e3); |
| 111 | 1494 e4 = car(e3); |
| 89 | 1495 if(scalar(t)) { |
| 122 | 1496 if (reg_arg>=MAX_INPUT_REGISTER_VAR) { |
| 119 | 1497 arg = list2(LVAR,caller_arg_offset_v(nargs)); |
| 116 | 1498 } else if (!simple_args(e3) && cadr(e3)) { |
| 105 | 1499 arg = get_register_var(0); |
| 104 | 1500 arg_assign = list2( |
| 137 | 1501 assign_expr0(get_input_register_var(reg_arg,0,0), |
| 1502 arg,t,t), | |
| 104 | 1503 arg_assign); |
| 96 | 1504 } else { |
| 126 | 1505 arg = get_input_register_var(reg_arg,0,0); |
| 89 | 1506 } |
| 107 | 1507 use_var(arg); /* protect from input register free */ |
| 99 | 1508 reg_arg_list = list2(arg,reg_arg_list); |
| 1509 g_expr_u(assign_expr0(arg,e4,t,t)); | |
| 89 | 1510 nargs ++ ; reg_arg++; |
| 99 | 1511 continue; |
| 202 | 1512 } else if (t==LONGLONG||t==ULONGLONG) { |
| 206 | 1513 if (reg_arg>=MAX_INPUT_REGISTER_VAR) { |
| 1514 arg = list2(LVAR,caller_arg_offset_v(nargs)); | |
| 1515 } else if (!simple_args(e3) && cadr(e3)) { | |
| 1516 arg = get_register_var(0); | |
| 1517 arg_assign = list2( | |
| 1518 assign_expr0(get_input_lregister_var(reg_arg,0,0), | |
| 1519 arg,t,t), | |
| 1520 arg_assign); | |
| 1521 } else { | |
| 1522 arg = get_input_lregister_var(reg_arg,0,0); | |
| 1523 } | |
| 1524 use_var(arg); /* protect from input register free */ | |
| 1525 reg_arg_list = list2(arg,reg_arg_list); | |
| 1526 g_expr_u(assign_expr0(arg,e4,t,t)); | |
| 1527 nargs ++ ; reg_arg++; | |
| 1528 nargs ++ ; reg_arg++; | |
| 202 | 1529 continue; |
| 89 | 1530 } else if (t==DOUBLE||t==FLOAT) { |
| 137 | 1531 if (reg_arg<MAX_INPUT_REGISTER_VAR) { |
| 119 | 1532 /* sigh... |
| 1533 printf requies floating value in integer registers | |
| 1534 */ | |
| 137 | 1535 if (dots) { |
| 1536 if (car(e4)==DRLVAR) { | |
| 1537 special_lvar = cadr(e4); | |
| 1538 e5 = list2(LVAR,special_lvar); | |
| 1539 } else { | |
| 1540 special_lvar = new_lvar(size_of_double); | |
| 1541 g_expr(assign_expr0( | |
| 1542 (e5=list2(LVAR,special_lvar)),e4,DOUBLE,t)); | |
| 1543 reg_arg_list = list2(e5,reg_arg_list); | |
| 1544 e4 = list2(DREGISTER,freg); | |
| 1545 /* freg should not change until XXX */ | |
| 1546 } | |
| 1547 r0=get_input_register_var(reg_arg,0,0); | |
| 1548 r1 = reg_arg+1+MIN_TMP_REG; | |
| 206 | 1549 if (regs[r1]==PTRC_REG) |
| 1550 clear_ptr_cache_reg(list2(REGISTER,r1)); | |
| 137 | 1551 /* else if (regs[r1]) error(-1); */ |
| 1552 r1=get_input_register_var_1(reg_arg+1,0,0); | |
| 1553 | |
| 1554 use_var(r0); /* protect from input register free */ | |
| 1555 use_var(r1); /* protect from input register free */ | |
| 1556 reg_arg_list = list2(r0,reg_arg_list); | |
| 1557 reg_arg_list = list2(r1,reg_arg_list); | |
| 1558 arg_assign = list2( assign_expr0(r0,e5,INT,INT), arg_assign); | |
| 1559 arg_assign = list2( assign_expr0(r1, | |
| 1560 list2(LVAR,special_lvar+size_of_int), | |
| 1561 INT,INT), arg_assign); | |
| 111 | 1562 } |
| 1563 reg_arg += 2; | |
| 1564 } | |
|
136
069960078249
remove redundant funcall argument for prototyped code in PowerPC case.
kono
parents:
135
diff
changeset
|
1565 if (dots && freg_arg>=4 && freg_arg<MAX_INPUT_DREGISTER_VAR) { |
| 119 | 1566 /* oh my god! |
| 1567 it requies integer register and floating register and | |
| 1568 stack value. You are crazy. | |
| 1569 */ | |
| 1570 arg_assign = list2( | |
| 1571 assign_expr0(list2(LVAR,caller_arg_offset_v(nargs)), | |
| 138 | 1572 get_input_dregister_var(freg_arg,0,0,1),t,t), |
| 119 | 1573 arg_assign); |
| 1574 } | |
| 122 | 1575 if (freg_arg>=MAX_INPUT_DREGISTER_VAR) { |
| 119 | 1576 arg = list2(LVAR,caller_arg_offset_v(nargs)); |
| 137 | 1577 } else if (!simple_args(e3) && cadr(e3)) { |
| 138 | 1578 arg = get_dregister_var(0,1); |
| 104 | 1579 arg_assign = list2( |
| 138 | 1580 assign_expr0(get_input_dregister_var(freg_arg,0,0,1), |
| 137 | 1581 arg,t,t), |
| 104 | 1582 arg_assign); |
| 99 | 1583 } else { |
| 138 | 1584 arg = get_input_dregister_var(freg_arg,0,0,1); |
| 99 | 1585 } |
| 107 | 1586 use_var(arg); /* protect from input register free */ |
| 99 | 1587 reg_arg_list = list2(arg,reg_arg_list); |
| 118 | 1588 g_expr_u(assign_expr0(arg,e4,t,t)); /* XXX */ |
| 99 | 1589 freg_arg++; |
| 122 | 1590 nargs += size(t)/size_of_int; |
| 89 | 1591 continue; |
| 203 | 1592 } else if (t>=0&&(car(t)==STRUCT||car(t)==UNION)) { |
| 119 | 1593 arg = list2(LVAR,caller_arg_offset_v(nargs)); |
| 1594 nargs += struct_push(e4,t,arg); | |
| 89 | 1595 continue; |
| 1596 } else { | |
| 1597 error(TYERR); | |
| 1598 } | |
| 1599 ++nargs; | |
| 1600 } | |
| 116 | 1601 if (max_func_args<nargs) max_func_args=nargs; |
| 104 | 1602 for(;arg_assign;arg_assign=cadr(arg_assign)) { |
| 1603 g_expr_u(car(arg_assign)); | |
| 1604 } | |
| 96 | 1605 clear_ptr_cache(); |
| 89 | 1606 if (car(e2) == FNAME) { |
| 108 | 1607 printf("\tbl\tL_%s$stub\n",fn->nm); |
| 89 | 1608 } else { |
| 108 | 1609 jrn = register_name(cadr(jmp)); |
| 89 | 1610 printf("\tmtctr %s\n",jrn); |
| 1611 printf("\tbctrl\n"); | |
| 1612 } | |
| 99 | 1613 for(;reg_arg_list;reg_arg_list=cadr(reg_arg_list)) { |
| 108 | 1614 arg = car(reg_arg_list); |
| 206 | 1615 if (car(arg)==REGISTER||car(arg)==DREGISTER||car(arg)==FREGISTER |
| 1616 ||car(arg)==LREGISTER) | |
| 147 | 1617 free_register(cadr(arg)); |
| 119 | 1618 else if (car(arg)==LVAR&&cadr(arg)<0) free_lvar(cadr(arg)); |
| 99 | 1619 } |
| 105 | 1620 if (ret_type==DOUBLE||ret_type==FLOAT) { |
| 104 | 1621 set_freg(RET_FREGISTER,0); |
| 206 | 1622 } else if (ret_type==ULONGLONG||ret_type==LONGLONG) { |
| 1623 set_lreg(RET_LREGISTER,0); | |
| 105 | 1624 } else if (ret_type==VOID) { |
| 96 | 1625 } else { |
| 104 | 1626 set_creg(RET_REGISTER,0); |
| 96 | 1627 } |
| 105 | 1628 return ret_type; |
| 89 | 1629 } |
| 1630 | |
| 1631 void | |
| 1632 code_frame_pointer(int e3) { | |
| 128 | 1633 #if R1SAVE |
| 1634 printf("\tmr r1,%s\n",register_name(e3)); | |
| 1635 #else | |
| 126 | 1636 printf("\tmr r30,%s\n",register_name(e3)); |
| 128 | 1637 #endif |
| 89 | 1638 } |
| 1639 | |
| 1640 | |
| 1641 void | |
| 1642 code_fix_frame_pointer(int disp_offset) { | |
| 128 | 1643 int l = 0; |
| 1644 printf("\tla r30,"); | |
| 1645 printf("lo16(%d+L_%d)(r30)\n",FUNC_LVAR,lvar_offset_label); | |
| 89 | 1646 } |
| 1647 | |
| 1648 void | |
| 1649 code_jmp(char *s) { | |
| 128 | 1650 max_reg_var = REG_VAR_BASE-REG_VAR_MIN; |
| 1651 max_freg_var = FREG_VAR_BASE-FREG_VAR_MIN; | |
| 89 | 1652 printf("\tb L_%s$stub\n",s); |
| 1653 } | |
| 1654 | |
| 1655 | |
| 1656 void | |
| 1657 code_indirect_jmp(int e2) { | |
| 128 | 1658 max_reg_var = REG_VAR_BASE-REG_VAR_MIN; |
| 1659 max_freg_var = FREG_VAR_BASE-FREG_VAR_MIN; | |
| 89 | 1660 printf("\tmtctr %s\n",register_name(e2)); |
| 1661 printf("\tbctr\n"); | |
| 1662 } | |
| 1663 | |
| 95 | 1664 int |
| 196 | 1665 code_rindirect(int e1, int offset, int us) |
| 89 | 1666 { |
| 95 | 1667 char *crn; |
| 196 | 1668 g_expr(e1); |
| 90 | 1669 crn=register_name(creg); |
| 196 | 1670 printf("\tlwz %s,%d(%s)\n",crn,offset,crn); |
| 206 | 1671 return us?UNSIGNED:INT; |
| 196 | 1672 } |
| 1673 | |
| 1674 int | |
| 1675 code_crindirect(int e1, int offset, int us) | |
| 1676 { | |
| 1677 char *crn; | |
| 1678 g_expr(e1); | |
| 1679 crn=register_name(creg); | |
| 1680 if (us) { | |
| 1681 printf("\tlbz %s,%d(%s)\n",crn,offset,crn); | |
| 1682 return UCHAR; | |
| 1683 } else { | |
| 119 | 1684 printf("\tlbz %s,%d(%s)\n",crn,offset,crn); |
| 90 | 1685 printf("\textsb %s,%s\n",crn,crn); |
| 95 | 1686 return CHAR; |
| 196 | 1687 } |
| 1688 } | |
| 1689 | |
| 1690 int | |
| 1691 code_srindirect(int e1, int offset, int us) | |
| 1692 { | |
| 1693 char *crn; | |
| 1694 g_expr(e1); | |
| 1695 crn=register_name(creg); | |
| 1696 if (us) { | |
| 1697 printf("\tlhz %s,%d(%s)\n",crn,offset,crn); | |
| 1698 return USHORT; | |
| 1699 } else { | |
| 165 | 1700 printf("\tlhz %s,%d(%s)\n",crn,offset,crn); |
| 1701 printf("\textsh %s,%s\n",crn,crn); | |
| 1702 return SHORT; | |
| 89 | 1703 } |
| 1704 } | |
| 1705 | |
| 196 | 1706 #if FLOAT_CODE |
| 1707 int | |
| 1708 code_drindirect(int e1, int offset, int d) | |
| 1709 { | |
| 1710 char *crn; | |
| 1711 g_expr(e1); | |
| 1712 crn=register_name(creg); | |
| 1713 printf("\t%s %s,%d(%s)\n",fload(d), | |
| 1714 fregister_name(freg),offset,crn); | |
| 1715 creg = freg; | |
| 206 | 1716 return d?DOUBLE:FLOAT; |
| 196 | 1717 } |
| 1718 #endif | |
| 1719 | |
| 1720 #if LONGLONG_CODE | |
| 1721 int | |
| 1722 code_lrindirect(int e1, int offset, int us) | |
| 1723 { | |
| 1724 char *crn; | |
| 1725 g_expr(e1); | |
| 1726 crn=register_name(creg); | |
| 206 | 1727 if (!lreg) lreg = get_lregister(); |
| 1728 printf("\tlwz %s,%d(%s)\n",crn,offset,lregister_name_low(lreg)); | |
| 1729 printf("\tlwz %s,%d(%s)\n",crn,offset+size_of_int,lregister_name_high(lreg)); | |
| 1730 creg = lreg; | |
| 1731 return us?ULONGLONG:LONGLONG; | |
| 196 | 1732 } |
| 1733 #endif | |
| 1734 | |
| 1735 | |
| 89 | 1736 void |
| 103 | 1737 code_assign_gvar(int e2,int creg,int byte) { |
| 90 | 1738 int r; |
| 1739 char *crn,*rrn; | |
| 109 | 1740 r = get_ptr_cache((NMTBL*)cadr(e2)); |
| 90 | 1741 rrn=register_name(r); |
| 1742 crn=register_name(creg); | |
| 165 | 1743 if (byte==1) { |
| 108 | 1744 printf("\tstb %s,0(%s)\n",crn,rrn); |
| 165 | 1745 } else if (byte==size_of_short) { |
| 1746 printf("\tsth %s,0(%s)\n",crn,rrn); | |
| 90 | 1747 } else { |
| 108 | 1748 printf("\tstw %s,0(%s)\n",crn,rrn); |
| 90 | 1749 } |
| 89 | 1750 } |
| 1751 | |
| 1752 void | |
| 103 | 1753 code_assign_lvar(int e2,int creg,int byte) { |
| 90 | 1754 char *crn; |
| 1755 crn=register_name(creg); | |
| 119 | 1756 lvar_intro(e2); |
| 165 | 1757 if (byte==1) { |
| 1758 printf("\tstb %s,",crn); | |
| 1759 } else if (byte==size_of_short) { | |
| 1760 printf("\tsth %s,",crn); | |
| 90 | 1761 } else { |
| 165 | 1762 printf("\tstw %s,",crn); |
| 90 | 1763 } |
| 165 | 1764 lvar(e2); |
| 89 | 1765 } |
| 1766 | |
| 1767 void | |
| 111 | 1768 code_assign_register(int e2,int byte,int creg) { |
| 104 | 1769 if (e2!=creg) |
| 1770 printf("\tmr %s,%s\n",register_name(e2),register_name(creg)); | |
| 89 | 1771 } |
| 1772 | |
| 1773 void | |
| 118 | 1774 code_assign(int e2,int byte,int creg) { |
| 95 | 1775 char *drn=register_name(e2); |
| 1776 char *crn=register_name(creg); | |
| 1777 | |
| 165 | 1778 if (byte==1) { |
| 108 | 1779 printf("\tstb %s,0(%s)\n",crn,drn); |
| 165 | 1780 } else if (byte==size_of_short) { |
| 1781 printf("\tsth %s,0(%s)\n",crn,drn); | |
| 90 | 1782 } else { |
| 108 | 1783 printf("\tstw %s,0(%s)\n",crn,drn); |
| 90 | 1784 } |
| 89 | 1785 } |
| 1786 | |
| 1787 | |
| 1788 void | |
| 1789 code_register_assop(int e2,int op,int byte) { | |
| 1790 int reg; | |
| 1791 int xreg = creg; | |
| 1792 creg = reg = e2; | |
| 1793 tosop(op,xreg); | |
| 1794 creg = xreg; | |
| 104 | 1795 if (creg!=reg) |
| 1796 printf("\tmr %s,%s\n",register_name(creg),register_name(reg)); | |
| 89 | 1797 } |
| 1798 | |
| 1799 | |
| 1800 void | |
| 162 | 1801 code_assop(int op,int byte,int sign) { |
| 90 | 1802 char *xrn,*crn,*drn; |
| 89 | 1803 int xreg; |
| 90 | 1804 int edx = get_register(); if(!edx) error(-1); |
| 93 | 1805 xrn = register_name(xreg = emit_pop(0)); /* pop e3 value */ |
| 113 | 1806 printf("# assop\n\tmr %s,%s\n",register_name(edx),register_name(creg)); |
| 162 | 1807 ld_indexx(byte,0,edx,sign); |
| 89 | 1808 tosop(op,xreg); |
| 90 | 1809 crn = register_name(creg); |
| 1810 drn = register_name(edx); | |
| 165 | 1811 if (byte==1) { |
| 108 | 1812 printf("\tstb %s,0(%s)\n",crn,drn); |
| 165 | 1813 } else if (byte==size_of_short) { |
| 1814 printf("\tsth %s,0(%s)\n",crn,drn); | |
| 90 | 1815 } else { |
| 108 | 1816 printf("\tstw %s,0(%s)\n",crn,drn); |
| 90 | 1817 } |
| 1818 free_register(edx); | |
| 89 | 1819 emit_pop_free(xreg); |
| 1820 } | |
| 1821 | |
| 1822 | |
| 1823 void | |
| 1824 tosop(int op,int oreg) | |
| 1825 { | |
| 1826 int dx; | |
| 95 | 1827 char *orn,*crn,*drn; |
| 89 | 1828 |
| 103 | 1829 if(oreg==-1) { |
| 1830 error(-1); | |
| 1831 } else if (oreg<= -REG_LVAR_OFFSET) { | |
| 104 | 1832 dx = get_register(); if (dx<0) error(-1); |
| 119 | 1833 code_rlvar(oreg+REG_LVAR_OFFSET,dx); |
| 104 | 1834 oreg = dx; |
| 103 | 1835 } |
| 1836 | |
| 89 | 1837 switch(op) { |
| 1838 case LSHIFT: | |
| 1839 case ULSHIFT: | |
| 90 | 1840 shift("slw",oreg); |
| 89 | 1841 return; |
| 1842 case RSHIFT: | |
| 186 | 1843 shift("sraw",oreg); |
| 89 | 1844 return; |
| 1845 case URSHIFT: | |
| 186 | 1846 shift("srw",oreg); |
| 89 | 1847 return; |
| 1848 } | |
| 93 | 1849 orn = register_name(oreg); |
| 89 | 1850 crn = register_name(creg); |
| 1851 switch(op) { | |
| 1852 case ADD: | |
| 114 | 1853 printf("\tadd %s,%s,%s\n",crn,crn,orn); |
| 89 | 1854 break; |
| 1855 case SUB: | |
| 114 | 1856 printf("\tsub %s,%s,%s\n",crn,crn,orn); |
| 89 | 1857 break; |
| 112 | 1858 case CMP: |
| 113 | 1859 printf("\tcmpw cr0,%s,%s\n",crn,orn); |
| 112 | 1860 break; |
| 89 | 1861 case BAND: |
| 114 | 1862 printf("\tand %s,%s,%s\n",crn,crn,orn); |
| 89 | 1863 break; |
| 1864 case EOR: | |
| 114 | 1865 printf("\txor %s,%s,%s\n",crn,crn,orn); |
| 89 | 1866 break; |
| 1867 case BOR: | |
| 114 | 1868 printf("\tor %s,%s,%s\n",crn,crn,orn); |
| 89 | 1869 break; |
| 1870 case MUL: | |
| 116 | 1871 printf("\tmullw %s,%s,%s\n",crn,crn,orn); |
| 1872 break; | |
| 89 | 1873 case UMUL: |
| 114 | 1874 printf("\tmullw %s,%s,%s\n",crn,crn,orn); |
| 89 | 1875 break; |
| 1876 case DIV: | |
| 114 | 1877 printf("\tdivw %s,%s,%s\n",crn,crn,orn); |
| 90 | 1878 break; |
| 89 | 1879 case UDIV: |
| 114 | 1880 printf("\tdivwu %s,%s,%s\n",crn,crn,orn); |
| 89 | 1881 break; |
| 1882 case MOD: | |
| 90 | 1883 dx=get_register(); |
| 95 | 1884 drn = register_name(dx); |
| 116 | 1885 printf("\tdivw %s,%s,%s\n",drn,crn,orn); |
| 1886 printf("\tmullw %s,%s,%s\n",drn,drn,orn); | |
| 1887 printf("\tsubf %s,%s,%s\n",crn,drn,crn); | |
| 114 | 1888 free_register(dx); |
| 90 | 1889 break; |
| 89 | 1890 case UMOD: |
| 90 | 1891 dx=get_register(); |
| 95 | 1892 drn = register_name(dx); |
| 114 | 1893 printf("\tdivwu %s,%s,%s\n",drn,crn,orn); |
| 116 | 1894 printf("\tmullw %s,%s,%s\n",drn,drn,orn); |
| 1895 printf("\tsubf %s,%s,%s\n",crn,drn,crn); | |
| 114 | 1896 free_register(dx); |
| 89 | 1897 break; |
| 112 | 1898 default: |
| 1899 error(-1); | |
| 89 | 1900 } |
| 95 | 1901 if(oreg!=creg) free_register(oreg); |
| 89 | 1902 } |
| 1903 | |
| 189 | 1904 int |
| 1905 code_const_op_p(int op,int v) | |
| 1906 { | |
| 1907 if (op==BAND||op==DIV||op==UDIV||op==MOD||op==UMOD) return 0; | |
| 1908 return (-127<v&&v<128); | |
| 1909 } | |
| 1910 | |
| 1911 void | |
| 1912 oprtc(int op,int v) | |
| 1913 { | |
| 1914 char *crn = register_name(creg); | |
| 1915 | |
| 1916 switch(op) { | |
| 1917 case LSHIFT: | |
| 1918 case ULSHIFT: | |
| 1919 printf("\tslwi %s,%s,%d\n",crn,crn,v); | |
| 1920 return; | |
| 1921 case RSHIFT: | |
| 1922 printf("\tsrawi %s,%s,%d\n",crn,crn,v); | |
| 1923 return; | |
| 1924 case URSHIFT: | |
| 1925 printf("\tsrwi %s,%s,%d\n",crn,crn,v); | |
| 1926 return; | |
| 1927 case ADD: | |
| 1928 printf("\taddi %s,%s,lo16(%d)\n",crn,crn,v); | |
| 1929 break; | |
| 1930 case SUB: | |
| 1931 printf("\tsubi %s,%s,lo16(%d)\n",crn,crn,v); | |
| 1932 break; | |
| 1933 case CMP: | |
| 1934 printf("\tcmpwi cr0,%s,lo16(%d)\n",crn,v); | |
| 1935 break; | |
| 1936 case EOR: | |
| 1937 printf("\txori %s,%s,lo16(%d)\n",crn,crn,v); | |
| 1938 break; | |
| 1939 case BOR: | |
| 1940 printf("\tori %s,%s,lo16(%d)\n",crn,crn,v); | |
| 1941 break; | |
| 1942 case MUL: | |
| 1943 printf("\tmulli %s,%s,lo16(%d)\n",crn,crn,v); | |
| 1944 break; | |
| 1945 case UMUL: | |
| 1946 printf("\tmulli %s,%s,lo16(%d)\n",crn,crn,v); | |
| 1947 break; | |
| 1948 default: | |
| 1949 error(-1); | |
| 1950 } | |
| 1951 } | |
| 89 | 1952 |
| 1953 void | |
| 1954 shift(char *op, int reg) | |
| 1955 { | |
| 93 | 1956 char *crn = register_name(creg); |
| 1957 char *rrn = register_name(reg); | |
| 186 | 1958 printf("\t%s %s,%s,%s\n",op,crn,crn,rrn); |
| 89 | 1959 } |
| 1960 | |
| 1961 void | |
| 162 | 1962 ld_indexx(int byte, int n, int xreg,int sign) |
| 89 | 1963 { |
| 95 | 1964 char *crn = register_name(creg); |
| 165 | 1965 if (byte==1) { |
| 95 | 1966 printf("\tlbz %s,%d(%s)\n",register_name(creg),n, |
| 90 | 1967 register_name(xreg)); |
| 162 | 1968 if (sign) |
| 1969 printf("\textsb %s,%s\n",crn,crn); | |
| 165 | 1970 } else if (byte==size_of_short) { |
| 1971 printf("\tlhz %s,%d(%s)\n",register_name(creg),n, | |
| 1972 register_name(xreg)); | |
| 1973 if (sign) | |
| 1974 printf("\textsh %s,%s\n",crn,crn); | |
| 90 | 1975 } else |
| 95 | 1976 printf("\tlwz %s,%d(%s)\n",register_name(creg),n, |
| 90 | 1977 register_name(xreg)); |
| 89 | 1978 } |
| 1979 | |
| 95 | 1980 int |
| 1981 code_csvalue() | |
| 1982 { | |
| 1983 return creg; | |
| 1984 } | |
| 1985 | |
| 89 | 1986 void |
| 95 | 1987 code_cmpdimm(int e, int csreg) |
| 89 | 1988 { |
| 1989 /* used in dosiwtch() */ | |
| 1990 if(chk) return; | |
| 108 | 1991 printf("\tcmpwi cr0,%s,%d\n",register_name(csreg),e); |
| 89 | 1992 } |
| 1993 | |
| 1994 void | |
| 1995 code_opening(char *filename) | |
| 1996 { | |
| 1997 printf("\t.file \"%s\"\n",filename); | |
| 108 | 1998 /* printf("\t.version\t\"01.01\"\n"); */ |
| 89 | 1999 /* printf("gcc2_compiled.:\n"); */ |
| 2000 printf(".text\n"); | |
| 2001 } | |
| 2002 | |
| 2003 void | |
| 95 | 2004 rexpr(int e1, int l1, char *s,int t) |
| 89 | 2005 { |
| 90 | 2006 g_expr(list3(CMP,cadr(e1),caddr(e1))); |
| 102 | 2007 printf("\tb%s cr0,L_%d\n",s,l1); |
| 89 | 2008 } |
| 2009 | |
| 2010 | |
| 2011 void | |
| 2012 jcond(int l, char cond) | |
| 2013 { | |
| 2014 if (chk) return; | |
| 102 | 2015 printf("\tb%s cr0,L_%d\n",cond?"ne":"eq",l); |
| 89 | 2016 } |
| 2017 | |
| 2018 void | |
| 2019 jmp(int l) | |
| 2020 { | |
| 2021 control=0; | |
| 2022 if (chk) return; | |
| 102 | 2023 printf("\tb\tL_%d\n",l); |
| 89 | 2024 } |
| 2025 | |
| 2026 void | |
| 2027 gen_comment(char *s) | |
| 2028 { | |
| 2029 if (chk) return; | |
| 2030 printf("## %s",s); | |
| 2031 } | |
| 2032 | |
| 2033 void | |
| 2034 code_enter(char *name) | |
| 2035 { | |
|
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2036 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
|
2037 text_mode(); |
|
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2038 else |
| 108 | 2039 printf("\t.align 2\n"); |
| 89 | 2040 if (stmode!=STATIC) |
| 102 | 2041 printf(".globl _%s\n",name); |
| 126 | 2042 #ifdef DOT_SIZE |
| 89 | 2043 printf("\t.type\t%s,@function\n",name); |
| 126 | 2044 #endif |
| 101 | 2045 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
|
2046 code_disp_label=fwdlabel(); |
| 128 | 2047 printf("\tla r1,lo16(L_%d)(r30)\n",code_disp_label); |
| 126 | 2048 printf("\tbcl 20,31,L_%d\n",code_base = fwdlabel()); |
| 2049 fwddef(code_base); | |
| 2050 printf("\tmflr r31\n"); | |
| 119 | 2051 max_func_args = 0; |
| 89 | 2052 } |
| 2053 | |
| 2054 | |
| 2055 void | |
| 2056 code_enter1(int args) | |
| 2057 { | |
| 106 | 2058 set_creg(CREG_REGISTER,0); |
| 2059 set_freg(FREG_FREGISTER,0); | |
| 89 | 2060 } |
| 2061 | |
| 2062 void | |
| 2063 code_leave(char *name) | |
| 2064 { | |
| 128 | 2065 int r1_offsetv; |
| 89 | 2066 disp&= -size_of_int; |
| 128 | 2067 r1_offsetv = -disp+max_func_args*size_of_int+code_disp_offset; |
| 2068 | |
| 2069 printf(".set L_%d,%d\n",code_disp_label,-r1_offsetv); | |
| 89 | 2070 local_table(); |
| 2071 free_all_register(); | |
| 2072 } | |
| 2073 | |
| 2074 void | |
| 2075 enter(char *name) | |
| 2076 { | |
|
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2077 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
|
2078 text_mode(); |
|
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2079 else |
| 108 | 2080 printf("\t.align 2\n"); |
| 89 | 2081 if (stmode!=STATIC) |
| 101 | 2082 printf(".globl _%s\n",name); |
| 108 | 2083 /* |
|
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2084 printf("\t.type\t%s,@function\n",name); |
| 108 | 2085 */ |
| 101 | 2086 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
|
2087 code_setup=fwdlabel(); |
|
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2088 printf("\tmflr r0\n"); |
| 102 | 2089 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
|
2090 code_base=fwdlabel(); |
| 111 | 2091 fwddef(code_base); |
| 116 | 2092 r1_offset_label = fwdlabel(); |
| 2093 lvar_offset_label = fwdlabel(); | |
| 2094 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
|
2095 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
|
2096 printf("\tmflr r31\n"); |
| 116 | 2097 max_func_args = 0; |
| 89 | 2098 } |
| 2099 | |
| 2100 void | |
| 2101 enter1() | |
| 2102 { | |
| 182 | 2103 text_mode(); |
| 106 | 2104 set_creg(CREG_REGISTER,0); |
| 2105 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
|
2106 } |
|
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2107 |
|
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2108 int |
|
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2109 reg_save_offset() |
|
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2110 { |
| 108 | 2111 return -( |
| 116 | 2112 (REAL_MAX_REGISTER-(REG_VAR_BASE-max_reg_var))*size_of_int+ |
| 108 | 2113 (REAL_MAX_FREGISTER-(FREG_VAR_BASE-max_freg_var))*size_of_double |
| 2114 ); | |
| 89 | 2115 } |
| 2116 | |
| 2117 void | |
| 2118 leave(int control, char *name) | |
| 2119 { | |
| 130 | 2120 int retcont1=0,sz; |
| 128 | 2121 |
| 2122 if (max_freg_var>=0 && max_freg_var<=3) max_freg_var=3; | |
| 2123 reg_save = reg_save_offset(); | |
| 111 | 2124 |
|
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2125 if (control) { |
| 108 | 2126 code_set_return_register(1); |
| 89 | 2127 } |
| 126 | 2128 if (retcont) { |
| 2129 if (control) jmp(retlabel); | |
| 128 | 2130 retcont1 = fwdlabel(); |
| 126 | 2131 fwddef(retcont); |
| 2132 if (cadr(fnptr->ty)==FLOAT||cadr(fnptr->ty)==DOUBLE) { | |
| 2133 printf("\tfmr f1,f31\n"); | |
| 128 | 2134 } else if (cadr(fnptr->ty)>0&&( |
| 2135 car(cadr(fnptr->ty))==STRUCT || | |
| 2136 car(cadr(fnptr->ty))==UNION)) { | |
| 2137 sz = size(cadr(fnptr->ty)); | |
| 2138 printf("\tli r7,%d\n",sz); | |
| 2139 printf("\tsubl r6,r7,r30\n"); | |
| 2140 printf("\tlwz r3,lo16(%d)(r30)\n",(my_func_args-1)*size_of_int); | |
| 2141 emit_copy(6,3,sz,0,1,1); | |
| 126 | 2142 } else if (cadr(fnptr->ty)!=VOID) { |
| 2143 printf("\tmr r3,r29\n"); | |
| 2144 } | |
| 128 | 2145 #if !R1SAVE |
| 2146 printf("\tla r1,lo16(%d)(r30)\n", | |
| 2147 -reg_save+my_func_args*size_of_int); | |
| 2148 #endif | |
| 2149 printf("\tb L_%d\n",retcont1); | |
| 126 | 2150 } |
| 89 | 2151 fwddef(retlabel); |
|
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2152 printf("\tlwz r1,0(r1)\n"); |
| 128 | 2153 if (retcont) { |
| 2154 fwddef(retcont1); | |
| 2155 } | |
| 110 | 2156 if (max_freg_var>=0) { |
| 2157 printf("\tlmw r%d,%d(r1)\n", | |
| 111 | 2158 REG_VAR_BASE-max_reg_var,reg_save); |
| 2159 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
|
2160 printf("\tb restFP+%d ; restore f%d-f31\n", |
| 111 | 2161 freg_save, |
|
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2162 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
|
2163 } else { |
|
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2164 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
|
2165 printf("\tmtlr r0\n"); |
| 110 | 2166 printf("\tlmw r%d,%d(r1)\n", |
| 116 | 2167 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
|
2168 printf("\tblr\n"); |
|
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2169 } |
| 89 | 2170 |
|
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2171 disp &= -size_of_int; |
|
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2172 fwddef(code_setup); |
| 110 | 2173 printf("\tstmw r%d,%d(r1)\n", |
| 116 | 2174 REG_VAR_BASE-max_reg_var,reg_save); |
| 110 | 2175 printf("\tstw r0,8(r1)\n"); |
| 2176 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
|
2177 printf("\tb saveFP+%d ; save f%d-f31\n", |
| 111 | 2178 freg_save, |
|
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2179 FREG_VAR_BASE-max_freg_var); |
| 110 | 2180 else { |
|
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2181 printf("\tblr\n"); |
| 110 | 2182 } |
|
100
a9e6f2a2946f
Wrote all code for PowerPC and no compile error. Let's fix all bugs...
kono
parents:
99
diff
changeset
|
2183 |
| 116 | 2184 code_offset_set(); |
| 89 | 2185 local_table(); |
| 2186 labelno++; | |
| 2187 free_all_register(); | |
| 2188 } | |
| 2189 | |
| 2190 | |
| 2191 void | |
| 107 | 2192 code_set_return_register(int mode) { |
| 111 | 2193 if (cadr(fnptr->ty)==DOUBLE||cadr(fnptr->ty)==FLOAT) { |
| 107 | 2194 set_freg(RET_FREGISTER,mode); |
| 206 | 2195 } else if (cadr(fnptr->ty)==LONGLONG||cadr(fnptr->ty)==ULONGLONG) { |
| 2196 set_lreg(RET_LREGISTER,mode); | |
| 147 | 2197 } else if (cadr(fnptr->ty)==VOID) { |
| 103 | 2198 } else { |
| 107 | 2199 set_creg(RET_REGISTER,mode); |
| 103 | 2200 } |
| 89 | 2201 } |
| 2202 | |
| 187 | 2203 int |
| 2204 code_get_fixed_creg(int reg,int type) { | |
| 2205 return creg; | |
| 2206 } | |
| 2207 | |
| 89 | 2208 void |
| 187 | 2209 code_set_fixed_creg(int reg,int mode,int type) { |
| 108 | 2210 if (type==FLOAT||type==DOUBLE) { |
| 187 | 2211 set_freg(reg,mode); |
| 206 | 2212 } else if (type==LONGLONG||type==ULONGLONG) { |
| 195 | 2213 set_lreg(reg,mode); |
| 108 | 2214 } else { |
| 187 | 2215 set_creg(reg,mode); |
| 108 | 2216 } |
| 107 | 2217 } |
| 2218 | |
| 2219 void | |
| 89 | 2220 gen_gdecl(char *n, int gpc) |
| 2221 { | |
| 102 | 2222 /* |
| 89 | 2223 if (stmode!=STATIC) |
| 99 | 2224 printf(".globl _%s\n",n); |
| 102 | 2225 */ |
| 89 | 2226 } |
| 2227 | |
| 2228 void | |
| 2229 align(int t) | |
| 2230 { | |
| 2231 if (t!=CHAR) { | |
| 2232 if (data_alignment & 1) | |
| 2233 printf("\t.align 2\n"); | |
| 2234 data_alignment = 0; | |
| 2235 } | |
| 2236 } | |
| 2237 | |
| 2238 void | |
| 2239 emit_data(int e, int t, NMTBL *n) | |
| 2240 { | |
| 2241 int l; | |
| 195 | 2242 #if FLOAT_CODE |
| 89 | 2243 double d; |
| 2244 float f; | |
| 195 | 2245 #endif |
| 206 | 2246 #if LONGLONG_CODE |
| 2247 long long ll; | |
| 2248 #endif | |
| 89 | 2249 char *name; |
| 2250 name = n->nm; | |
| 156 | 2251 if(mode!=GDECL && mode!=STADECL) { |
| 89 | 2252 error(-1); return; |
| 2253 } | |
| 2254 if (chk) return; | |
| 2255 if (n->dsp != -1) { | |
| 2256 n->dsp = -1; /* initiallized flag */ | |
| 102 | 2257 printf(".globl\t_%s\n",name); |
| 89 | 2258 data_mode(name); |
| 2259 align(t); | |
| 102 | 2260 printf("_%s:\n",name); |
| 89 | 2261 } else { |
| 2262 data_mode(0); | |
| 2263 } | |
| 2264 if(car(e)==CONST) { | |
| 168 | 2265 if (t==CHAR||t==UCHAR) { |
| 89 | 2266 printf("\t.byte %d\n",cadr(e)); |
| 2267 if (data_alignment>0) | |
| 2268 data_alignment++; | |
| 2269 gpc += 1; | |
| 168 | 2270 } else if (t==SHORT||t==USHORT) { |
| 2271 printf("\t.short %d\n",cadr(e)); | |
| 89 | 2272 if (data_alignment>0) data_alignment++; |
| 168 | 2273 gpc += size_of_short; |
| 89 | 2274 } else { |
| 2275 printf("\t.long %d\n",cadr(e)); | |
| 2276 gpc += size_of_int; | |
| 2277 } | |
| 195 | 2278 #if LONGLONG_CODE |
| 206 | 2279 } else if(t==LONGLONG||t==ULONGLONG) { |
| 2280 ll = lcadr(e); | |
| 2281 printf("\t.long\t0x%x,0x%x\n",code_l2(ll),code_l1(ll)); | |
| 195 | 2282 #endif |
| 2283 #if FLOAT_CODE | |
| 89 | 2284 } else if(t==DOUBLE) { |
| 2285 d = dcadr(e); | |
| 99 | 2286 printf("\t.long\t0x%x,0x%x\n",code_d2(d),code_d1(d)); |
| 89 | 2287 } else if(t==FLOAT) { |
| 2288 f = dcadr(e); | |
| 2289 printf("\t.long\t0x%x\n",*(int *)&f); | |
| 195 | 2290 #endif |
| 89 | 2291 } else if(t!=CHAR) { |
| 2292 gpc += size_of_int; | |
| 2293 if(car(e)==ADDRESS&&car(cadr(e))==GVAR) { | |
| 116 | 2294 printf("\t.long _%s\n",((NMTBL *)cadr(cadr(e)))->nm); |
| 89 | 2295 } else if(car(e)==FNAME) { |
| 116 | 2296 printf("\t.long _%s\n",((NMTBL *)cadr(e))->nm); |
| 109 | 2297 } else if(car(e)==GVAR) { |
| 116 | 2298 printf("\t.long _%s\n",((NMTBL *)cadr(e))->nm); |
| 89 | 2299 } else if(car(e)==STRING) { |
| 2300 if (car(n->ty)!=ARRAY || cadr(n->ty)!=CHAR) { | |
| 2301 l = fwdlabel(); | |
| 102 | 2302 printf("\t.long L_%d\n",l); |
| 108 | 2303 printf(".cstring\n\t.align 2\n"); |
| 102 | 2304 printf("L_%d:\n",l); |
| 89 | 2305 output_mode = RODATA_EMIT_MODE; |
| 2306 } | |
| 2307 ascii((char *)cadr(e)); | |
| 2308 } else error(TYERR); | |
| 168 | 2309 } else error(TYERR); |
| 89 | 2310 } |
| 2311 | |
| 2312 void | |
| 2313 emit_data_closing(NMTBL *n) | |
| 2314 { | |
| 126 | 2315 #ifdef DOT_SIZE |
| 89 | 2316 int lb; |
| 126 | 2317 #endif |
| 89 | 2318 if (chk) return; |
| 2319 if (mode==GDECL) { | |
| 2320 data_mode(0); | |
| 126 | 2321 #ifdef DOT_SIZE |
| 89 | 2322 lb=fwdlabel(); |
| 102 | 2323 printf("L_%d:\n",lb); |
| 2324 printf("\t.size\t%s,L_%d-%s\n",n->nm,lb,n->nm); | |
| 126 | 2325 #endif |
| 89 | 2326 } |
| 2327 } | |
| 2328 | |
| 2329 void | |
| 2330 global_table(void) | |
| 2331 { | |
| 2332 NMTBL *n; | |
| 98 | 2333 int init; char *extrn; |
| 89 | 2334 init=0; |
| 2335 for(n=ntable;n < &ntable[GSYMS];n++) { | |
| 109 | 2336 if ((n->sc == GVAR) && n->dsp != -1) { |
| 89 | 2337 /* n->dsp = -1 means initialized global */ |
| 2338 if (init==0) { | |
| 2339 data_mode(0); | |
| 2340 init=1; | |
| 2341 } | |
| 97 | 2342 printf(".comm _%s,%d\n",n->nm,size(n->ty)); |
| 109 | 2343 } else if ((n->sc==STATIC) && n->dsp != -1) { |
| 2344 /* n->dsp = -1 means initialized global */ | |
| 2345 if (init==0) { | |
| 2346 data_mode(0); | |
| 2347 init=1; | |
| 2348 } | |
| 2349 printf(".lcomm _%s,%d\n",n->nm,size(n->ty)); | |
| 97 | 2350 } |
| 2351 } | |
| 2352 for(n=ntable;n < &ntable[GSYMS];n++) { | |
| 103 | 2353 if (is_code(n)||is_function(n)) { |
| 97 | 2354 extrn = n->nm; |
| 103 | 2355 if (n->sc==EXTRN1) { |
| 2356 data_mode(0); | |
| 2357 printf(".picsymbol_stub\n"); | |
| 97 | 2358 printf("L_%s$stub:\n",extrn); |
| 2359 printf("\t.indirect_symbol _%s\n",extrn); | |
| 2360 printf("\tmflr r0\n"); | |
| 2361 printf("\tbcl 20,31,L0$_%s\n",extrn); | |
| 2362 printf("L0$_%s:\n",extrn); | |
| 2363 printf("\tmflr r11\n"); | |
| 2364 printf("\taddis r11,r11,ha16(L_%s$lazy_ptr-L0$_%s)\n",extrn,extrn); | |
| 2365 printf("\tmtlr r0\n"); | |
| 2366 printf("\tlwz r12,lo16(L_%s$lazy_ptr-L0$_%s)(r11)\n",extrn,extrn); | |
| 2367 printf("\tmtctr r12\n"); | |
| 2368 printf("\taddi r11,r11,lo16(L_%s$lazy_ptr-L0$_%s)\n",extrn,extrn); | |
| 2369 printf("\tbctr\n"); | |
| 2370 printf(".data\n"); | |
| 2371 printf(".lazy_symbol_pointer\n"); | |
| 2372 printf("L_%s$lazy_ptr:\n",extrn); | |
| 2373 printf("\t.indirect_symbol _%s\n",extrn); | |
| 2374 printf("\t.long dyld_stub_binding_helper\n"); | |
| 103 | 2375 } else if (n->sc==FUNCTION||n->sc==CODE) { |
| 2376 text_mode(); | |
| 2377 printf("\t.set L_%s$stub,_%s\n",extrn,extrn); | |
| 109 | 2378 data_mode(0); |
| 111 | 2379 printf("L_%s$non_lazy_ptr:\n\t.long\t_%s\n",extrn,extrn); |
| 108 | 2380 } |
| 97 | 2381 } |
| 2382 } | |
| 109 | 2383 init=0; |
| 2384 for(n=ntable;n < &ntable[GSYMS];n++) { | |
| 2385 if (n->sc == GVAR) { | |
| 2386 if (init==0) { | |
| 119 | 2387 printf(".data\n"); |
| 109 | 2388 init=1; |
| 2389 } | |
| 116 | 2390 printf("L_%s$non_lazy_ptr:\n\t.long\t_%s\n",n->nm,n->nm); |
| 109 | 2391 } |
| 2392 } | |
| 97 | 2393 init = 0; |
| 2394 for(n=ntable;n < &ntable[GSYMS];n++) { | |
| 116 | 2395 if (is_code(n)||is_function(n)) continue; |
| 109 | 2396 if (n->sc==EXTRN1) { |
| 97 | 2397 if(init==0) { |
| 119 | 2398 printf(".data\n"); |
| 97 | 2399 printf(".non_lazy_symbol_pointer\n"); |
| 2400 init=1; | |
| 2401 } | |
| 2402 printf("L_%s$non_lazy_ptr:\n",n->nm); | |
| 2403 printf("\t.indirect_symbol _%s\n",n->nm); | |
| 2404 printf("\t.long\t0\n"); | |
| 89 | 2405 } |
| 2406 } | |
| 2407 } | |
| 2408 | |
| 2409 void | |
| 2410 local_table(void) | |
| 2411 { | |
| 2412 NMTBL *n; | |
| 2413 int init; | |
| 2414 init=0; | |
| 2415 /* static local variables */ | |
| 2416 for(n=ntable+GSYMS;n < &ntable[GSYMS+LSYMS];n++) { | |
| 2417 if (n->sc == GVAR) { | |
| 2418 if (init==0) { | |
| 2419 data_mode(0); | |
| 2420 init=1; | |
| 2421 } | |
| 156 | 2422 if (n->dsp != -1) /* initialized static */ |
| 2423 printf(".lcomm _%s,%d\n",n->nm,size(n->ty)); | |
| 2424 printf("L_%s$non_lazy_ptr:\n\t.long\t_%s\n",n->nm,n->nm); | |
| 89 | 2425 } |
| 2426 } | |
| 2427 } | |
| 2428 | |
| 2429 void | |
| 2430 text_mode(void) | |
| 2431 { | |
| 2432 if (output_mode!=TEXT_EMIT_MODE) { | |
| 2433 printf(".text\n"); | |
| 2434 printf("\t.align 2\n"); | |
| 2435 output_mode = TEXT_EMIT_MODE; | |
| 2436 } | |
| 2437 } | |
| 2438 | |
| 2439 void | |
| 2440 data_mode(char *name) | |
| 2441 { | |
| 2442 if (output_mode!=DATA_EMIT_MODE) { | |
| 2443 printf(".data\n"); | |
| 2444 output_mode = DATA_EMIT_MODE; | |
| 2445 } | |
| 108 | 2446 /* |
| 89 | 2447 if (name) |
| 2448 printf("\t.type\t%s,@object\n",name); | |
| 108 | 2449 */ |
| 89 | 2450 } |
| 2451 | |
| 195 | 2452 #if FLOAT_CODE |
| 2453 | |
| 89 | 2454 /* floating point */ |
| 2455 | |
| 96 | 2456 static int float_one_lib_used=0; |
| 2457 static char *float_one_lib[] = { | |
| 2458 ".data", | |
| 108 | 2459 /* ".literal8", */ |
| 96 | 2460 " .align 3", |
| 2461 "__float_one:", | |
| 2462 " .long 1065353216", | |
| 2463 ".text", | |
| 109 | 2464 /* ".set L__float_one$non_lazy_ptr,__float_one", */ |
| 96 | 2465 0 |
| 2466 }; | |
| 97 | 2467 static int float_zero_lib_used=0; |
| 2468 static char *float_zero_lib[] = { | |
| 2469 ".data", | |
| 108 | 2470 /* ".literal8", */ |
| 97 | 2471 " .align 3", |
| 2472 "__float_zero:", | |
| 2473 " .long 0", | |
| 2474 ".text", | |
| 109 | 2475 /* ".set L__float_zero$non_lazy_ptr,__float_zero", */ |
| 97 | 2476 0 |
| 2477 }; | |
| 2478 | |
| 89 | 2479 char * |
| 2480 fstore(int d) | |
| 2481 { | |
| 90 | 2482 return (d?"stfd":"stfs"); |
| 89 | 2483 } |
| 2484 | |
| 2485 char * | |
| 2486 fload(int d) | |
| 2487 { | |
| 90 | 2488 return d?"lfd":"lfs"; |
| 89 | 2489 } |
| 2490 | |
| 95 | 2491 void |
| 138 | 2492 code_cmp_dregister(int e2,int d) |
| 95 | 2493 { |
| 99 | 2494 char *frn,*rrn,*grn; |
| 2495 int greg,r; | |
| 138 | 2496 grn = register_name(greg = get_dregister(d)); |
| 132 | 2497 frn = register_name(e2); |
| 99 | 2498 float_zero_lib_used=1; |
| 109 | 2499 r = get_ptr_cache(&float_zero); |
| 99 | 2500 rrn = register_name(r); |
| 108 | 2501 printf("\tlfs %s,0(%s)\n",grn,rrn); |
| 99 | 2502 printf("\tfcmpu cr0,%s,%s\n",grn,frn); |
| 147 | 2503 free_register(greg); |
| 99 | 2504 return; |
| 95 | 2505 } |
| 2506 | |
| 2507 void | |
| 138 | 2508 code_dregister(int e2,int freg,int d) |
| 95 | 2509 { |
| 147 | 2510 if (freg!=e2) { |
| 2511 if (is_int_reg(e2)) error(-1); | |
| 108 | 2512 printf("\tfmr %s,%s\n",fregister_name(freg),fregister_name(e2)); |
| 147 | 2513 } |
| 95 | 2514 } |
| 2515 | |
| 103 | 2516 void code_dassign_gvar(int e2,int freg,int d) |
| 89 | 2517 { |
| 90 | 2518 int r; |
| 109 | 2519 r = get_ptr_cache((NMTBL*)cadr(e2)); |
| 147 | 2520 if (!is_float_reg(freg)) error(-1); |
| 108 | 2521 printf("\t%s %s,0(%s)\n",fstore(d),fregister_name(freg),register_name(r)); |
| 89 | 2522 } |
| 2523 | |
| 103 | 2524 void code_dassign_lvar(int e2,int freg,int d) |
| 89 | 2525 { |
| 119 | 2526 lvar_intro(e2); |
| 147 | 2527 if (!is_float_reg(freg)) error(-1); |
| 119 | 2528 printf("\t%s %s,",fstore(d),fregister_name(freg)); |
| 2529 lvar(e2); | |
| 89 | 2530 } |
| 2531 | |
| 103 | 2532 void code_dassign(int e2,int freg,int d) |
| 89 | 2533 { |
| 147 | 2534 if (!is_float_reg(freg)) error(-1); |
| 108 | 2535 printf("\t%s %s,0(%s)\n",fstore(d),fregister_name(freg),register_name(e2)); |
| 89 | 2536 } |
| 2537 | |
| 111 | 2538 void |
| 138 | 2539 code_dassign_dregister(int e2,int d,int freg) { |
| 147 | 2540 if (e2!=freg) { |
| 2541 if (is_int_reg(freg)) error(-1); | |
| 111 | 2542 printf("\tfmr %s,%s\n",fregister_name(e2),fregister_name(freg)); |
| 147 | 2543 } |
| 111 | 2544 } |
| 2545 | |
| 89 | 2546 static double d0 = 1.0; |
| 2547 | |
| 2548 int | |
| 2549 code_d1(double d) | |
| 2550 { | |
| 2551 int *i = (int *)&d0; int *j = (int *)&d; | |
| 99 | 2552 return (i[1] == 0x3ff00000)?j[0]:j[1]; |
| 89 | 2553 } |
| 2554 | |
| 2555 int | |
| 2556 code_d2(double d) | |
| 2557 { | |
| 2558 int *i = (int *)&d0; int *j = (int *)&d; | |
| 99 | 2559 return (i[1] == 0x3ff00000)?j[1]:j[0]; |
| 89 | 2560 } |
| 2561 | |
| 133 | 2562 int |
| 2563 code_f(double d) | |
| 2564 { | |
| 2565 float f = d; | |
| 2566 int *j = (int *)&f; | |
| 2567 return *j; | |
| 2568 } | |
| 2569 | |
| 138 | 2570 void |
| 2571 code_dconst(int e2,int freg,int d) | |
| 89 | 2572 { |
| 2573 int lb; | |
| 138 | 2574 double value = dcadr(e2); |
| 90 | 2575 int r; |
| 97 | 2576 char *rrn,*frn; |
| 2577 frn = fregister_name(freg); | |
| 138 | 2578 if (value==0.0) { |
| 97 | 2579 float_zero_lib_used=1; |
| 109 | 2580 r = get_ptr_cache(&float_zero); |
| 98 | 2581 rrn = register_name(r); |
| 108 | 2582 printf("\tlfs %s,0(%s)\n",frn,rrn); |
| 97 | 2583 return; |
| 89 | 2584 } |
| 138 | 2585 if (value==1.0) { |
| 97 | 2586 float_one_lib_used=1; |
| 109 | 2587 r = get_ptr_cache(&float_one); |
| 98 | 2588 rrn = register_name(r); |
| 108 | 2589 printf("\tlfs %s,0(%s)\n",frn,rrn); |
| 97 | 2590 return; |
| 89 | 2591 } |
| 97 | 2592 rrn = register_name((r=get_register())); |
| 108 | 2593 printf(" \t.data\n\t.align 3\n"); |
| 89 | 2594 lb=fwdlabel(); |
| 102 | 2595 printf("L_%d:\n",lb); |
| 138 | 2596 if (d) { |
| 2597 printf("\t.long\t0x%x,0x%x\n",code_d2(value),code_d1(value)); | |
| 133 | 2598 } else { |
| 138 | 2599 printf("\t.long\t0x%x\n",code_f(value)); |
| 133 | 2600 } |
| 89 | 2601 if (output_mode==TEXT_EMIT_MODE) { |
| 2602 printf(".text\n"); | |
| 2603 } else { | |
| 2604 text_mode(); | |
| 2605 } | |
| 102 | 2606 printf("\taddis %s,r31,ha16(L_%d-L_%d)\n",rrn,lb,code_base); |
| 2607 printf("\tla %s,lo16(L_%d-L_%d)(%s)\n",rrn,lb,code_base,rrn); | |
| 138 | 2608 if (d) { |
| 133 | 2609 printf("\tlfd %s,0(%s)\n",frn,rrn); |
| 2610 } else { | |
| 2611 printf("\tlfs %s,0(%s)\n",frn,rrn); | |
| 2612 } | |
| 90 | 2613 free_register(r); |
| 89 | 2614 } |
| 2615 | |
| 133 | 2616 |
| 138 | 2617 void code_dneg(int freg,int d) |
| 89 | 2618 { |
| 97 | 2619 char *frn = fregister_name(freg); |
| 147 | 2620 if (is_int_reg(freg)) error(-1); |
| 95 | 2621 printf("\tfneg %s,%s\n",frn,frn); |
| 89 | 2622 } |
| 2623 | |
| 147 | 2624 void code_d2i(int freg0) |
| 89 | 2625 { |
| 147 | 2626 char *frn; |
| 2627 char *crn; | |
| 119 | 2628 int e2 = new_lvar(size_of_double); |
| 147 | 2629 |
| 2630 freg0 = use_double(freg0); | |
| 2631 frn = fregister_name(freg0); | |
| 2632 creg = use_int(creg); | |
| 2633 crn = register_name(creg); | |
| 2634 | |
| 2635 freg = freg0; | |
| 119 | 2636 free_lvar(e2); |
| 93 | 2637 printf("\tfctiwz %s,%s\n",frn,frn); |
| 119 | 2638 lvar_intro(e2); |
| 2639 printf("\tstfd %s,",frn); lvar(e2); | |
| 2640 lvar_intro(e2+size_of_double-size_of_int); | |
| 2641 printf("\tlwz %s,",crn); lvar(e2+size_of_double-size_of_int); | |
| 89 | 2642 } |
| 2643 | |
| 91 | 2644 static int i2d_lib_used=0; |
| 2645 static char *i2d_lib[] = { | |
| 2646 ".data", | |
| 108 | 2647 /* ".literal8", */ |
| 91 | 2648 " .align 3", |
| 2649 "__i2dLC0:", | |
| 2650 " .long 1127219200", | |
| 2651 " .long -2147483648", | |
| 2652 ".text", | |
| 2653 " .align 2", | |
| 111 | 2654 "i2d_:", |
| 91 | 2655 " mflr r0", |
| 2656 " bcl 20,31,__i2dL1$pb", | |
| 2657 "__i2dL1$pb:", | |
| 2658 " mflr r10", | |
| 2659 " mtlr r0", | |
| 2660 " xoris r3,r3,0x8000", | |
| 116 | 2661 " stw r3,-28(r30)", |
| 91 | 2662 " lis r0,0x4330", |
| 116 | 2663 " stw r0,-32(r30)", |
| 2664 " lfd f0,-32(r30)", | |
| 91 | 2665 " addis r9,r10,ha16(__i2dLC0-__i2dL1$pb)", |
| 2666 " lfd f1,lo16(__i2dLC0-__i2dL1$pb)(r9)", | |
| 2667 " fsub f1,f0,f1", | |
| 2668 " blr", | |
| 2669 0 | |
| 2670 }; | |
| 2671 | |
| 147 | 2672 void code_i2d(int creg0) |
| 89 | 2673 { |
| 95 | 2674 i2d_lib_used = 1; |
| 113 | 2675 clear_ptr_cache(); |
| 2676 code_save_stacks(); | |
| 104 | 2677 set_creg(RET_REGISTER,1); |
| 91 | 2678 printf("\tbl i2d_\n"); |
| 104 | 2679 set_freg(RET_FREGISTER,0); |
| 89 | 2680 } |
| 2681 | |
| 91 | 2682 static int d2u_lib_used=0; |
| 2683 static char *d2u_lib[] = { | |
| 108 | 2684 /* ".literal8", */ |
| 91 | 2685 " .align 3", |
| 2686 "__d2uLC0:", | |
| 2687 " .long 1105199104", | |
| 2688 " .long 0", | |
| 2689 ".text", | |
| 2690 " .align 2", | |
| 111 | 2691 "d2u_:", |
| 91 | 2692 " mflr r0", |
| 2693 " bcl 20,31,__d2uL1$pb", | |
| 2694 "__d2uL1$pb:", | |
| 2695 " mflr r10", | |
| 2696 " mtlr r0", | |
| 2697 " addis r9,r10,ha16(__d2uLC0-__d2uL1$pb)", | |
| 2698 " lfd f0,lo16(__d2uLC0-__d2uL1$pb)(r9)", | |
| 2699 " fcmpu cr0,f1,f0", | |
| 2700 " cror 2,1,2", | |
| 2701 " beq- cr0,__d2uL2", | |
| 2702 " fctiwz f0,f1", | |
| 116 | 2703 " stfd f0,-32(r30)", |
| 2704 " lwz r3,-28(r30)", | |
| 91 | 2705 " blr", |
| 2706 "__d2uL2:", | |
| 2707 " addis r9,r10,ha16(__d2uLC0-__d2uL1$pb)", | |
| 2708 " lfd f0,lo16(__d2uLC0-__d2uL1$pb)(r9)", | |
| 2709 " fsub f0,f1,f0", | |
| 2710 " fctiwz f0,f0", | |
| 116 | 2711 " stfd f0,-24(r30)", |
| 2712 " lwz r3,-20(r30)", | |
| 91 | 2713 " xoris r3,r3,0x8000", |
| 2714 " blr", | |
| 2715 0 | |
| 2716 }; | |
| 2717 | |
| 147 | 2718 void code_d2u(int freg0) |
| 89 | 2719 { |
| 113 | 2720 code_save_stacks(); |
| 2721 clear_ptr_cache(); | |
| 91 | 2722 d2u_lib_used=1; |
| 104 | 2723 set_freg(RET_FREGISTER,1); |
| 111 | 2724 printf("\tbl d2u_\n"); |
| 104 | 2725 set_creg(RET_REGISTER,0); |
| 91 | 2726 } |
| 90 | 2727 |
| 91 | 2728 static int u2d_lib_used=0; |
| 2729 static char *u2d_lib[] = { | |
| 2730 ".data", | |
| 108 | 2731 /* ".literal8", */ |
| 91 | 2732 " .align 3", |
| 2733 "__u2dLC1:", | |
| 2734 " .long 1127219200", | |
| 2735 " .long 0", | |
| 2736 ".text", | |
| 2737 " .align 2", | |
| 111 | 2738 "u2d_:", |
| 91 | 2739 " mflr r0", |
| 2740 " bcl 20,31,__u2dL2$pb", | |
| 2741 "__u2dL2$pb:", | |
| 2742 " mflr r10", | |
| 2743 " mtlr r0", | |
| 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(__u2dLC1-__u2dL2$pb)", |
| 2749 " lfd f1,lo16(__u2dLC1-__u2dL2$pb)(r9)", | |
| 2750 " fsub f1,f0,f1", | |
| 2751 " blr", | |
| 2752 0 | |
| 2753 }; | |
| 89 | 2754 |
| 147 | 2755 void code_u2d(int creg0) |
| 89 | 2756 { |
| 113 | 2757 code_save_stacks(); |
| 2758 clear_ptr_cache(); | |
| 147 | 2759 u2d_lib_used = 1; |
| 2760 set_creg(RET_REGISTER,1); | |
| 111 | 2761 printf("\tbl u2d_\n"); |
| 147 | 2762 set_freg(FREG_FREGISTER,0); |
| 89 | 2763 } |
| 2764 | |
| 133 | 2765 void code_d2f(int freg) { } |
| 2766 void code_f2d(int freg) { } | |
| 147 | 2767 void code_f2i(int freg) { code_d2i(freg); } |
| 2768 void code_f2u(int freg) { code_d2u(freg); } | |
| 2769 void code_i2f(int creg) { code_i2d(creg); } | |
| 2770 void code_u2f(int creg) { code_u2d(creg); } | |
| 133 | 2771 |
| 107 | 2772 void code_drgvar(int e2,int d,int freg) |
| 89 | 2773 { |
| 91 | 2774 int r; |
| 109 | 2775 r = get_ptr_cache((NMTBL*)cadr(e2)); |
| 108 | 2776 printf("\t%s %s,0(%s)\n",fload(d),fregister_name(freg),register_name(r)); |
| 89 | 2777 } |
| 2778 | |
| 2779 | |
| 107 | 2780 void code_drlvar(int e2,int d,int freg) |
| 89 | 2781 { |
| 119 | 2782 lvar_intro(e2); |
| 2783 printf("\t%s %s,",fload(d),fregister_name(freg)); lvar(e2); | |
| 89 | 2784 } |
| 2785 | |
| 138 | 2786 void code_cmp_drgvar(int e2,int d) |
| 89 | 2787 { |
| 91 | 2788 int r; |
| 97 | 2789 char *frn=fregister_name(freg); |
| 138 | 2790 int g=get_dregister(d); |
| 97 | 2791 char *grn=fregister_name(g); |
| 109 | 2792 r = get_ptr_cache((NMTBL*)cadr(e2)); |
| 108 | 2793 printf("\t%s %s,0(%s)\n",fload(1),grn,register_name(r)); |
| 91 | 2794 printf("\tfcmpu cr0,%s,%s\n",frn,grn); |
| 147 | 2795 free_register(g); |
| 89 | 2796 } |
| 2797 | |
| 138 | 2798 void code_cmp_drlvar(int e2,int d) |
| 89 | 2799 { |
| 97 | 2800 char *frn=fregister_name(freg); |
| 138 | 2801 int g=get_dregister(d); |
| 97 | 2802 char *grn=fregister_name(g); |
| 108 | 2803 |
| 119 | 2804 lvar_intro(e2); |
| 2805 printf("\t%s %s,",fload(1),grn); lvar(e2); | |
| 91 | 2806 printf("\tfcmpu cr0,%s,%s\n",frn,grn); |
| 147 | 2807 free_register(g); |
| 89 | 2808 } |
| 2809 | |
| 2810 void dtosop(int op,int e1) | |
| 2811 { | |
| 127 | 2812 char *opn=""; |
| 97 | 2813 char *frn=fregister_name(freg); |
| 2814 char *grn=fregister_name(e1); | |
| 89 | 2815 switch(op) { |
| 133 | 2816 case FADD: |
| 91 | 2817 case DADD: opn="fadd"; break; |
| 133 | 2818 case FSUB: |
| 101 | 2819 case DSUB: opn="fsub"; break; |
| 133 | 2820 case FDIV: |
| 101 | 2821 case DDIV: opn="fdiv"; break; |
| 133 | 2822 case FMUL: |
| 101 | 2823 case DMUL: opn="fmul"; break; |
| 133 | 2824 case FCMP: |
| 91 | 2825 case DCMP: |
| 108 | 2826 printf("\tfcmpu cr0,%s,%s\n",frn,grn); |
| 147 | 2827 free_register(e1); |
| 101 | 2828 return; |
| 133 | 2829 case FCMPGE: |
| 91 | 2830 case DCMPGE: |
| 108 | 2831 printf("\tfcmpu cr7,%s,%s\n",frn,grn); |
| 147 | 2832 free_register(e1); |
| 101 | 2833 return; |
| 133 | 2834 default: |
| 2835 error(-1); return; | |
| 89 | 2836 } |
| 91 | 2837 printf("\t%s %s,%s,%s\n",opn,frn,frn,grn); |
| 147 | 2838 free_register(e1); |
| 89 | 2839 } |
| 2840 | |
| 2841 void | |
| 2842 code_dassop(int op,int d) { | |
| 91 | 2843 /* we have lvalue in creg, applied floating value is in freg */ |
| 97 | 2844 char *frn=fregister_name(freg); |
| 138 | 2845 int xreg=emit_dpop(d); |
| 91 | 2846 char *crn=register_name(creg); |
| 2847 | |
| 147 | 2848 if (!is_float_reg(freg)) error(-1); |
| 108 | 2849 printf("\t%s %s,0(%s)\n",fload(d),frn,crn); |
| 102 | 2850 dtosop(op,xreg); |
| 108 | 2851 printf("\t%s %s,0(%s)\n",fstore(d),frn,crn); |
| 138 | 2852 emit_dpop_free(xreg,d); |
| 89 | 2853 } |
| 2854 | |
| 91 | 2855 |
| 89 | 2856 void |
| 107 | 2857 code_dpreinc(int e1,int e2,int d,int reg) { |
| 91 | 2858 char *frn; |
| 2859 char *crn; | |
| 2860 int g; | |
| 2861 char *grn,*drn; | |
| 2862 int r; | |
| 109 | 2863 r = get_ptr_cache(&float_one); |
| 96 | 2864 float_one_lib_used=1; |
| 91 | 2865 |
| 144 | 2866 if (car(e2)==DREGISTER||car(e2)==FREGISTER) { |
| 2867 error(-1); /* unspported now */ | |
| 2868 } | |
| 89 | 2869 g_expr(e2); |
| 91 | 2870 |
| 2871 crn=register_name(creg); | |
| 97 | 2872 frn=fregister_name(freg); |
| 91 | 2873 drn=register_name(r); |
| 138 | 2874 grn=fregister_name(g=get_dregister(d)); |
| 91 | 2875 |
| 108 | 2876 printf("\t%s %s,0(%s)\n",fload(d),frn,crn); |
| 2877 printf("\tlfs %s,0(%s)\n",grn,drn); | |
| 89 | 2878 if (caddr(e1)>0) |
| 91 | 2879 printf("\tfadd %s,%s,%s\n",frn,frn,grn); |
| 89 | 2880 else |
| 91 | 2881 printf("\tfsub %s,%s,%s\n",frn,frn,grn); |
| 147 | 2882 if (!is_float_reg(freg)) error(-1); |
| 108 | 2883 printf("\t%s %s,0(%s)\n",fstore(d),frn,crn); |
| 147 | 2884 free_register(g); |
| 2885 creg = freg; | |
| 89 | 2886 } |
| 2887 | |
| 2888 void | |
| 107 | 2889 code_dpostinc(int e1,int e2,int d,int reg) { |
| 91 | 2890 char *frn; |
| 2891 char *crn; | |
| 2892 int g; | |
| 2893 char *grn,*drn; | |
| 2894 int r; | |
| 109 | 2895 r = get_ptr_cache(&float_one); |
| 96 | 2896 float_one_lib_used=1; |
| 91 | 2897 |
| 144 | 2898 if (car(e2)==DREGISTER||car(e2)==FREGISTER) { |
| 2899 error(-1); /* unspported now */ | |
| 2900 } | |
| 89 | 2901 g_expr(e2); |
| 91 | 2902 |
| 2903 crn=register_name(creg); | |
| 97 | 2904 frn=fregister_name(freg); |
| 91 | 2905 drn=register_name(r); |
| 138 | 2906 grn=fregister_name(g=get_dregister(d)); |
| 91 | 2907 |
| 108 | 2908 printf("\t%s %s,0(%s)\n",fload(d),frn,crn); |
| 2909 printf("\tlfs %s,0(%s)\n",grn,drn); | |
| 89 | 2910 if (caddr(e1)>0) |
| 91 | 2911 printf("\tfadd %s,%s,%s\n",grn,frn,grn); |
| 89 | 2912 else |
| 91 | 2913 printf("\tfsub %s,%s,%s\n",grn,frn,grn); |
| 147 | 2914 if (!is_float_reg(freg)) error(-1); |
| 108 | 2915 printf("\t%s %s,0(%s)\n",fstore(d),grn,crn); |
| 147 | 2916 free_register(g); |
| 2917 creg = freg; | |
| 89 | 2918 } |
| 2919 | |
| 2920 void | |
| 2921 drexpr(int e1, int e2,int l1, int op) | |
| 2922 { | |
| 91 | 2923 g_expr(list3(((op==DOP+GE)?DCMPGE:DCMP),e1,e2)); |
| 89 | 2924 switch(op) { |
| 2925 case DOP+GE: | |
| 133 | 2926 case FOP+GE: |
| 91 | 2927 printf("\tcror 2,29,30\n"); |
| 111 | 2928 printf("\tbne\tcr0,L_%d\n",l1); |
| 89 | 2929 break; |
| 2930 case DOP+GT: | |
| 133 | 2931 case FOP+GT: |
| 111 | 2932 printf("\tble\tcr0,L_%d\n",l1); |
| 89 | 2933 break; |
| 2934 case DOP+EQ: | |
| 133 | 2935 case FOP+EQ: |
| 111 | 2936 printf("\tbne\tcr0,L_%d\n",l1); |
| 89 | 2937 break; |
| 2938 case DOP+NEQ: | |
| 133 | 2939 case FOP+NEQ: |
| 111 | 2940 printf("\tbeq\tcr0,L_%d\n",l1); |
| 89 | 2941 break; |
| 2942 } | |
| 2943 } | |
| 2944 | |
| 138 | 2945 int emit_dpop(int d) |
| 89 | 2946 { |
| 114 | 2947 int xreg,reg; |
| 97 | 2948 xreg=pop_fregister(); |
| 2949 if (xreg<= -REG_LVAR_OFFSET) { | |
| 138 | 2950 reg = get_dregister(d); |
| 119 | 2951 code_drlvar(REG_LVAR_OFFSET+xreg,1,reg); |
| 117 | 2952 free_lvar(REG_LVAR_OFFSET+xreg); |
| 205 | 2953 xreg=reg; |
| 96 | 2954 } |
| 2955 return xreg; | |
| 89 | 2956 } |
| 2957 | |
| 138 | 2958 void emit_dpop_free(int e1,int d) |
| 89 | 2959 { |
| 147 | 2960 free_register(e1); |
| 89 | 2961 } |
| 2962 | |
| 138 | 2963 void emit_dpush(int d) |
| 89 | 2964 { |
| 97 | 2965 int new_reg; |
| 102 | 2966 if (freg_sp>MAX_MAX) error(-1); |
| 138 | 2967 new_reg = get_dregister(1); |
| 97 | 2968 freg_stack[freg_sp++] = freg; /* push するかわりにレジスタを使う */ |
| 147 | 2969 creg = freg = new_reg; |
| 89 | 2970 } |
| 2971 | |
| 195 | 2972 #endif |
| 2973 | |
| 2974 #if LONGLONG_CODE | |
| 2975 | |
| 2976 | |
| 2977 /* 64bit int part */ | |
| 2978 | |
| 2979 void lrexpr(int e1, int e2,int l1, int op) | |
| 2980 { | |
| 2981 } | |
| 2982 | |
| 2983 int lpop_register() | |
| 2984 { | |
| 2985 return 0; | |
| 2986 } | |
| 2987 | |
| 2988 int emit_lpop() | |
| 2989 { | |
| 2990 return 0; | |
| 2991 } | |
| 2992 | |
| 2993 void code_lregister(int e2,int reg) | |
| 2994 { | |
| 2995 | |
| 2996 } | |
| 2997 | |
| 2998 void code_cmp_lregister(int reg) | |
| 2999 { | |
| 3000 | |
| 3001 } | |
| 3002 | |
| 3003 void code_cmp_lrgvar(int e1,int e2) | |
| 3004 { | |
| 3005 | |
| 3006 } | |
| 3007 | |
| 3008 void code_cmp_lrlvar(int e1,int e2) | |
| 3009 { | |
| 3010 | |
| 3011 } | |
| 3012 | |
| 3013 void code_lassign(int e1,int e2) | |
| 3014 { | |
| 3015 | |
| 3016 } | |
| 3017 | |
| 3018 void code_lassign_gvar(int e1,int e2) | |
| 3019 { | |
| 3020 | |
| 3021 } | |
| 3022 | |
| 3023 void code_lassign_lvar(int e1,int e2) | |
| 3024 { | |
| 3025 | |
| 3026 } | |
| 3027 | |
| 3028 void code_lassign_lregister(int e2,int reg) | |
| 3029 { | |
| 3030 | |
| 3031 } | |
| 3032 | |
| 206 | 3033 static long long ll = 1LL; |
| 3034 | |
| 3035 static int | |
| 3036 code_l1(long long d) | |
| 3037 { | |
| 3038 int *i = (int *)≪ int *j = (int *)&d; | |
| 3039 return (i[1] == 1)?j[1]:j[0]; | |
| 3040 } | |
| 3041 | |
| 3042 static int | |
| 3043 code_l2(long long d) | |
| 3044 { | |
| 3045 int *i = (int *)≪ int *j = (int *)&d; | |
| 3046 return (i[1] == 1)?j[0]:j[1]; | |
| 3047 } | |
| 3048 | |
| 195 | 3049 void code_lconst(int e1,int e2) |
| 3050 { | |
| 3051 | |
| 3052 } | |
| 3053 | |
| 3054 void code_lneg(int e1,int e2) | |
| 3055 { | |
| 3056 | |
| 3057 } | |
| 3058 | |
| 3059 void code_lrgvar(int e1,int e2) | |
| 3060 { | |
| 3061 | |
| 3062 } | |
| 3063 | |
| 3064 void code_lrlvar(int e1,int e2) | |
| 3065 { | |
| 3066 | |
| 3067 } | |
| 3068 | |
| 3069 void ltosop(int e1,int e2) | |
| 3070 { | |
| 3071 | |
| 3072 } | |
| 3073 | |
| 3074 void emit_lpop_free(int e1) | |
| 3075 { | |
| 3076 | |
| 3077 } | |
| 3078 | |
| 3079 void emit_lpush() | |
| 3080 { | |
| 3081 | |
| 3082 } | |
| 3083 | |
| 3084 void code_i2ll(int creg) | |
| 3085 { | |
| 3086 | |
| 3087 } | |
| 3088 | |
| 3089 void code_i2ull(int creg) | |
| 3090 { | |
| 3091 | |
| 3092 } | |
| 3093 | |
| 3094 void code_u2ll(int creg) | |
| 3095 { | |
| 3096 | |
| 3097 } | |
| 3098 | |
| 3099 void code_u2ull(int creg) | |
| 3100 { | |
| 3101 | |
| 3102 } | |
| 3103 | |
| 3104 void code_ll2i(int creg) | |
| 3105 { | |
| 3106 | |
| 3107 } | |
| 3108 | |
| 3109 void code_ll2u(int creg) | |
| 3110 { | |
| 3111 | |
| 3112 } | |
| 3113 | |
| 3114 void code_ull2i(int creg) | |
| 3115 { | |
| 3116 | |
| 3117 } | |
| 3118 | |
| 3119 void code_ull2u(int creg) | |
| 3120 { | |
| 3121 | |
| 3122 } | |
| 3123 | |
| 3124 #if FLOAT_CODE | |
| 3125 void code_d2ll(int creg) | |
| 3126 { | |
| 3127 | |
| 3128 } | |
| 3129 | |
| 3130 void code_d2ull(int creg) | |
| 3131 { | |
| 3132 | |
| 3133 } | |
| 3134 | |
| 3135 void code_f2ll(int creg) | |
| 3136 { | |
| 3137 | |
| 3138 } | |
| 3139 | |
| 3140 void code_f2ull(int creg) | |
| 3141 { | |
| 3142 | |
| 3143 } | |
| 3144 | |
| 3145 void code_ll2d(int creg) | |
| 3146 { | |
| 3147 | |
| 3148 } | |
| 3149 | |
| 3150 void code_ll2f(int creg) | |
| 3151 { | |
| 3152 | |
| 3153 } | |
| 3154 | |
| 3155 void code_ull2d(int creg) | |
| 3156 { | |
| 3157 | |
| 3158 } | |
| 3159 | |
| 3160 void code_ull2f(int creg) | |
| 3161 { | |
| 3162 | |
| 3163 } | |
| 3164 | |
| 3165 void code_ull2ll(int creg) | |
| 3166 { | |
| 3167 | |
| 3168 } | |
| 3169 | |
| 3170 void code_ull2ull(int creg) | |
| 3171 { | |
| 3172 | |
| 3173 } | |
| 3174 | |
| 3175 #endif | |
| 3176 | |
| 3177 | |
| 3178 void code_lpreinc(int e1,int e2,int reg) | |
| 3179 { | |
| 3180 | |
| 3181 } | |
| 3182 | |
| 3183 void code_lpostinc(int e1,int e2,int reg) | |
| 3184 { | |
| 3185 | |
| 3186 } | |
| 3187 | |
| 3188 void code_lassop(int op) | |
| 3189 { | |
| 3190 | |
| 3191 } | |
| 3192 | |
| 3193 | |
| 3194 #endif | |
| 3195 | |
| 95 | 3196 void |
| 3197 code_save_stacks() | |
| 3198 { | |
| 103 | 3199 int i,reg; |
| 101 | 3200 for(i=0;i<reg_sp;i++) { |
| 103 | 3201 if ((reg=reg_stack[i])>=0) { |
| 101 | 3202 code_assign_lvar( |
| 119 | 3203 (reg_stack[i]=new_lvar(size_of_int)),reg,0); |
| 101 | 3204 reg_stack[i]= reg_stack[i]-REG_LVAR_OFFSET; |
| 3205 } | |
| 3206 } | |
| 195 | 3207 #if FLOAT_CODE |
| 101 | 3208 for(i=0;i<freg_sp;i++) { |
| 103 | 3209 if ((reg=freg_stack[i])>=0) { |
| 101 | 3210 code_dassign_lvar( |
| 119 | 3211 (freg_stack[i]=new_lvar(size_of_double)),reg,1); |
| 101 | 3212 freg_stack[i]= freg_stack[i]-REG_LVAR_OFFSET; |
| 3213 } | |
| 3214 } | |
| 195 | 3215 #endif |
| 96 | 3216 } |
| 3217 | |
| 3218 void | |
| 3219 emit_lib(char *p[]) | |
| 95 | 3220 { |
| 98 | 3221 while(*p) { |
| 3222 printf("%s\n",*p++); | |
| 96 | 3223 } |
| 3224 } | |
| 3225 | |
| 3226 void | |
| 3227 code_closing() | |
| 3228 { | |
| 195 | 3229 #if FLOAT_CODE |
| 96 | 3230 if (d2u_lib_used) emit_lib(d2u_lib); |
| 3231 if (u2d_lib_used) emit_lib(u2d_lib); | |
| 3232 if (float_one_lib_used) emit_lib(float_one_lib); | |
| 98 | 3233 if (float_zero_lib_used) emit_lib(float_zero_lib); |
| 96 | 3234 if (i2d_lib_used) emit_lib(i2d_lib); |
| 195 | 3235 #endif |
| 97 | 3236 global_table(); |
| 108 | 3237 /* printf("\t.ident \"Micro-C compiled\"\n"); */ |
| 95 | 3238 } |
| 3239 | |
| 89 | 3240 /* end */ |
| 3241 |