tests/tcctest.c

   1 /*
   2  * TCC auto test program
   3  */
   4 #include "config.h"
   5
   6 #if GCC_MAJOR >= 3
   7
   8 /* Unfortunately, gcc version < 3 does not handle that! */
   9 #define ALL_ISOC99
  10
  11 /* only gcc 3 handles _Bool correctly */
  12 #define BOOL_ISOC99
  13
  14 /* gcc 2.95.3 does not handle correctly CR in strings or after strays */
  15 #define CORRECT_CR_HANDLING
  16
  17 #endif
  18
  19 #if defined(_WIN32)
  20 #define LONG_LONG_FORMAT "%lld"
  21 #define ULONG_LONG_FORMAT "%llu"
  22 #else
  23 #define LONG_LONG_FORMAT "%Ld"
  24 #define ULONG_LONG_FORMAT "%Lu"
  25 #endif
  26
  27 // MinGW has 80-bit rather than 64-bit long double which isn't compatible with TCC or MSVC
  28 #if defined(_WIN32) && defined(__GNUC__)
  29 #define LONG_DOUBLE double
  30 #define LONG_DOUBLE_LITERAL(x) x
  31 #else
  32 #define LONG_DOUBLE long double
  33 #define LONG_DOUBLE_LITERAL(x) x ## L
  34 #endif
  35
  36 /* deprecated and no longer supported in gcc 3.3 */
  37 //#define ACCEPT_CR_IN_STRINGS
  38
  39 /* __VA_ARGS__ and __func__ support */
  40 #define C99_MACROS
  41
  42 /* test various include syntaxes */
  43
  44 #define TCCLIB_INC <tcclib.h>
  45 #define TCCLIB_INC1 <tcclib
  46 #define TCCLIB_INC2 h>
  47 #define TCCLIB_INC3 "tcclib"
  48
  49 #include TCCLIB_INC
  50
  51 #include TCCLIB_INC1.TCCLIB_INC2
  52
  53 #include TCCLIB_INC1.h>
  54
  55 /* gcc 3.2 does not accept that (bug ?) */
  56 //#include TCCLIB_INC3 ".h"
  57
  58 #include <tcclib.h>
  59
  60 #include "tcclib.h"
  61
  62 void intdiv_test();
  63 void string_test();
  64 void expr_test();
  65 void macro_test();
  66 void recursive_macro_test();
  67 void scope_test();
  68 void forward_test();
  69 void funcptr_test();
  70 void loop_test();
  71 void switch_test();
  72 void goto_test();
  73 void enum_test();
  74 void typedef_test();
  75 void struct_test();
  76 void array_test();
  77 void expr_ptr_test();
  78 void bool_test();
  79 void expr2_test();
  80 void constant_expr_test();
  81 void expr_cmp_test();
  82 void char_short_test();
  83 void init_test(void);
  84 void compound_literal_test(void);
  85 int kr_test();
  86 void struct_assign_test(void);
  87 void cast_test(void);
  88 void bitfield_test(void);
  89 void c99_bool_test(void);
  90 void float_test(void);
  91 void longlong_test(void);
  92 void manyarg_test(void);
  93 void stdarg_test(void);
  94 void whitespace_test(void);
  95 void relocation_test(void);
  96 void old_style_function(void);
  97 void alloca_test(void);
  98 void c99_vla_test(int size1, int size2);
  99 void sizeof_test(void);
 100 void typeof_test(void);
 101 void local_label_test(void);
 102 void statement_expr_test(void);
 103 void asm_test(void);
 104 void builtin_test(void);
 105 void weak_test(void);
 106 void global_data_test(void);
 107 void cmp_comparison_test(void);
 108 void math_cmp_test(void);
 109 void callsave_test(void);
 110 void builtin_frame_address_test(void);
 111
 112 int fib(int n);
 113 void num(int n);
 114 void forward_ref(void);
 115 int isid(int c);
 116
 117 #define A 2
 118 #define N 1234 + A
 119 #define pf printf
 120 #define M1(a, b)  (a) + (b)
 121
 122 #define str\
 123 (s) # s
 124 #define glue(a, b) a ## b
 125 #define xglue(a, b) glue(a, b)
 126 #define HIGHLOW "hello"
 127 #define LOW LOW ", world"
 128
 129 static int onetwothree = 123;
 130 #define onetwothree4 onetwothree
 131 #define onetwothree xglue(onetwothree,4)
 132
 133 #define min(a, b) ((a) < (b) ? (a) : (b))
 134
 135 #ifdef C99_MACROS
 136 #define dprintf(level,...) printf(__VA_ARGS__)
 137 #endif
 138
 139 /* gcc vararg macros */
 140 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
 141
 142 #define MACRO_NOARGS()
 143
 144 #define AAA 3
 145 #undef AAA
 146 #define AAA 4
 147
 148 #if 1
 149 #define B3 1
 150 #elif 1
 151 #define B3 2
 152 #elif 0
 153 #define B3 3
 154 #else
 155 #define B3 4
 156 #endif
 157
 158 #define __INT64_C(c)    c ## LL
 159 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 160
 161 int qq(int x)
 162 {
 163     return x + 40;
 164 }
 165 #define qq(x) x
 166
 167 #define spin_lock(lock) do { } while (0)
 168 #define wq_spin_lock spin_lock
 169 #define TEST2() wq_spin_lock(a)
 170
 171 #define UINT_MAX ((unsigned) -1)
 172
 173 void intdiv_test(void)
 174 {
 175     printf("18/21=%u\n", 18/21);
 176     printf("18%21=%u\n", 18%21);
 177     printf("41/21=%u\n", 41/21);
 178     printf("41%21=%u\n", 41%21);
 179     printf("42/21=%u\n", 42/21);
 180     printf("42%21=%u\n", 42%21);
 181     printf("43/21=%u\n", 43/21);
 182     printf("43%21=%u\n", 43%21);
 183     printf("126/21=%u\n", 126/21);
 184     printf("12%/21=%u\n", 126%21);
 185     printf("131/21=%u\n", 131/21);
 186     printf("131%21=%u\n", 131%21);
 187     printf("(UINT_MAX/2+3)/2=%u\n", (UINT_MAX/2+3)/2);
 188     printf("(UINT_MAX/2+3)%2=%u\n", (UINT_MAX/2+3)%2);
 189
 190     printf("18/-21=%u\n", 18/-21);
 191     printf("18%-21=%u\n", 18%-21);
 192     printf("41/-21=%u\n", 41/-21);
 193     printf("41%-21=%u\n", 41%-21);
 194     printf("42/-21=%u\n", 42/-21);
 195     printf("42%-21=%u\n", 42%-21);
 196     printf("43/-21=%u\n", 43/-21);
 197     printf("43%-21=%u\n", 43%-21);
 198     printf("126/-21=%u\n", 126/-21);
 199     printf("12%/-21=%u\n", 126%-21);
 200     printf("131/-21=%u\n", 131/-21);
 201     printf("131%-21=%u\n", 131%-21);
 202     printf("(UINT_MAX/2+3)/-2=%u\n", (UINT_MAX/2+3)/-2);
 203     printf("(UINT_MAX/2+3)%-2=%u\n", (UINT_MAX/2+3)%-2);
 204
 205     printf("-18/21=%u\n", -18/21);
 206     printf("-18%21=%u\n", -18%21);
 207     printf("-41/21=%u\n", -41/21);
 208     printf("-41%21=%u\n", -41%21);
 209     printf("-42/21=%u\n", -42/21);
 210     printf("-42%21=%u\n", -42%21);
 211     printf("-43/21=%u\n", -43/21);
 212     printf("-43%21=%u\n", -43%21);
 213     printf("-126/21=%u\n", -126/21);
 214     printf("-12%/21=%u\n", -126%21);
 215     printf("-131/21=%u\n", -131/21);
 216     printf("-131%21=%u\n", -131%21);
 217     printf("-(UINT_MAX/2+3)/2=%u\n", (0-(UINT_MAX/2+3))/2);
 218     printf("-(UINT_MAX/2+3)%2=%u\n", (0-(UINT_MAX/2+3))%2);
 219
 220     printf("-18/-21=%u\n", -18/-21);
 221     printf("-18%-21=%u\n", -18%-21);
 222     printf("-41/-21=%u\n", -41/-21);
 223     printf("-41%-21=%u\n", -41%-21);
 224     printf("-42/-21=%u\n", -42/-21);
 225     printf("-42%-21=%u\n", -42%-21);
 226     printf("-43/-21=%u\n", -43/-21);
 227     printf("-43%-21=%u\n", -43%-21);
 228     printf("-126/-21=%u\n", -126/-21);
 229     printf("-12%/-21=%u\n", -126%-21);
 230     printf("-131/-21=%u\n", -131/-21);
 231     printf("-131%-21=%u\n", -131%-21);
 232     printf("-(UINT_MAX/2+3)/-2=%u\n", (0-(UINT_MAX/2+3))/-2);
 233     printf("-(UINT_MAX/2+3)%-2=%u\n", (0-(UINT_MAX/2+3))%-2);
 234 }
 235
 236 void macro_test(void)
 237 {
 238     printf("macro:\n");\f\v
 239     pf("N=%d\n", N);
 240     printf("aaa=%d\n", AAA);
 241
 242     printf("min=%d\n", min(1, min(2, -1)));
 243
 244     printf("s1=%s\n", glue(HIGH, LOW));
 245     printf("s2=%s\n", xglue(HIGH, LOW));
 246     printf("s3=%s\n", str("c"));
 247     printf("s4=%s\n", str(a1));
 248     printf("B3=%d\n", B3);
 249
 250     printf("onetwothree=%d\n", onetwothree);
 251
 252 #ifdef A
 253     printf("A defined\n");
 254 #endif
 255 #ifdef B
 256     printf("B defined\n");
 257 #endif
 258 #ifdef A
 259     printf("A defined\n");
 260 #else
 261     printf("A not defined\n");
 262 #endif
 263 #ifdef B
 264     printf("B defined\n");
 265 #else
 266     printf("B not defined\n");
 267 #endif
 268
 269 #ifdef A
 270     printf("A defined\n");
 271 #ifdef B
 272     printf("B1 defined\n");
 273 #else
 274     printf("B1 not defined\n");
 275 #endif
 276 #else
 277     printf("A not defined\n");
 278 #ifdef B
 279     printf("B2 defined\n");
 280 #else
 281     printf("B2 not defined\n");
 282 #endif
 283 #endif
 284
 285 #if 1+1
 286     printf("test true1\n");
 287 #endif
 288 #if 0
 289     printf("test true2\n");
 290 #endif
 291 #if 1-1
 292     printf("test true3\n");
 293 #endif
 294 #if defined(A)
 295     printf("test trueA\n");
 296 #endif
 297 #if defined(B)
 298     printf("test trueB\n");
 299 #endif
 300
 301 #if 0
 302     printf("test 0\n");
 303 #elif 0
 304     printf("test 1\n");
 305 #elif 2
 306     printf("test 2\n");
 307 #else
 308     printf("test 3\n");
 309 #endif
 310
 311     MACRO_NOARGS();
 312
 313 #ifdef __LINE__
 314     printf("__LINE__ defined\n");
 315 #endif
 316
 317     printf("__LINE__=%d __FILE__=%s\n",
 318            __LINE__, __FILE__);
 319 #line 200
 320     printf("__LINE__=%d __FILE__=%s\n",
 321            __LINE__, __FILE__);
 322 #line 203 "test"
 323     printf("__LINE__=%d __FILE__=%s\n",
 324            __LINE__, __FILE__);
 325 #line 227 "tcctest.c"
 326
 327     /* not strictly preprocessor, but we test it there */
 328 #ifdef C99_MACROS
 329     printf("__func__ = %s\n", __func__);
 330     dprintf(1, "vaarg=%d\n", 1);
 331 #endif
 332     dprintf1(1, "vaarg1\n");
 333     dprintf1(1, "vaarg1=%d\n", 2);
 334     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 335
 336     /* gcc extension */
 337     printf("func='%s'\n", __FUNCTION__);
 338
 339     /* complicated macros in glibc */
 340     printf("INT64_MIN=" LONG_LONG_FORMAT "\n", INT64_MIN);
 341     {
 342         int a;
 343         a = 1;
 344         glue(a+, +);
 345         printf("a=%d\n", a);
 346         glue(a <, <= 2);
 347         printf("a=%d\n", a);
 348     }
 349
 350     /* macro function with argument outside the macro string */
 351 #define MF_s MF_hello
 352 #define MF_hello(msg) printf("%s\n",msg)
 353
 354 #define MF_t printf("tralala\n"); MF_hello
 355
 356     MF_s("hi");
 357     MF_t("hi");
 358
 359     /* test macro substituion inside args (should not eat stream) */
 360     printf("qq=%d\n", qq(qq)(2));
 361
 362     /* test zero argument case. NOTE: gcc 2.95.x does not accept a
 363        null argument without a space. gcc 3.2 fixes that. */
 364
 365 #define qq1(x) 1
 366     printf("qq1=%d\n", qq1( ));
 367
 368     /* comment with stray handling *\
 369 /
 370        /* this is a valid *\/ comment */
 371        /* this is a valid comment *\*/
 372     //  this is a valid\
 373 comment
 374
 375     /* test function macro substitution when the function name is
 376        substituted */
 377     TEST2();
 378
 379     /* And again when the name and parenthes are separated by a
 380        comment.  */
 381     TEST2 /* the comment */ ();
 382 }
 383
 384
 385 static void print_num(char *fn, int line, int num) {
 386     printf("fn %s, line %d, num %d\n", fn, line, num);
 387 }
 388
 389 void recursive_macro_test(void)
 390 {
 391
 392 #define ELF32_ST_TYPE(val)              ((val) & 0xf)
 393 #define ELF32_ST_INFO(bind, type)       (((bind) << 4) + ((type) & 0xf))
 394 #define STB_WEAK        2               /* Weak symbol */
 395 #define ELFW(type) ELF##32##_##type
 396     printf("%d\n", ELFW(ST_INFO)(STB_WEAK, ELFW(ST_TYPE)(123)));
 397
 398 #define WRAP(x) x
 399
 400 #define print_num(x) print_num(__FILE__,__LINE__,x)
 401     print_num(123);
 402     WRAP(print_num(123));
 403     WRAP(WRAP(print_num(123)));
 404
 405 static struct recursive_macro { int rm_field; } G;
 406 #define rm_field (G.rm_field)
 407     printf("rm_field = %d\n", rm_field);
 408     printf("rm_field = %d\n", WRAP(rm_field));
 409     WRAP((printf("rm_field = %d %d\n", rm_field, WRAP(rm_field))));
 410 }
 411
 412 int op(a,b)
 413 {
 414     return a / b;
 415 }
 416
 417 int ret(a)
 418 {
 419     if (a == 2)
 420         return 1;
 421     if (a == 3)
 422         return 2;
 423     return 0;
 424 }
 425
 426 void ps(const char *s)
 427 {
 428     int c;
 429     while (1) {
 430         c = *s;
 431         if (c == 0)
 432             break;
 433         printf("%c", c);
 434         s++;
 435     }
 436 }
 437
 438 const char foo1_string[] = "\
 439 bar\n\
 440 test\14\
 441 1";
 442
 443 void string_test()
 444 {
 445     unsigned int b;
 446     printf("string:\n");
 447     printf("\141\1423\143\n");/* dezdez test */
 448     printf("\x41\x42\x43\x3a\n");
 449     printf("c=%c\n", 'r');
 450     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 451     printf("foo1_string='%s'\n", foo1_string);
 452 #if 0
 453     printf("wstring=%S\n", L"abc");
 454     printf("wstring=%S\n", L"abc" L"def" "ghi");
 455     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 456     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 457 #endif
 458     ps("test\n");
 459     b = 32;
 460     while ((b = b + 1) < 96) {
 461         printf("%c", b);
 462     }
 463     printf("\n");
 464     printf("fib=%d\n", fib(33));
 465     b = 262144;
 466     while (b != 0x80000000) {
 467         num(b);
 468         b = b * 2;
 469     }
 470 }
 471
 472 void loop_test()
 473 {
 474     int i;
 475     i = 0;
 476     while (i < 10)
 477         printf("%d", i++);
 478     printf("\n");
 479     for(i = 0; i < 10;i++)
 480         printf("%d", i);
 481     printf("\n");
 482     i = 0;
 483     do {
 484         printf("%d", i++);
 485     } while (i < 10);
 486     printf("\n");
 487
 488     char count = 123;
 489     /* c99 for loop init test */
 490     for (size_t count = 1; count < 3; count++)
 491         printf("count=%d\n", count);
 492     printf("count = %d\n", count);
 493
 494     /* break/continue tests */
 495     i = 0;
 496     while (1) {
 497         if (i == 6)
 498             break;
 499         i++;
 500         if (i == 3)
 501             continue;
 502         printf("%d", i);
 503     }
 504     printf("\n");
 505
 506     /* break/continue tests */
 507     i = 0;
 508     do {
 509         if (i == 6)
 510             break;
 511         i++;
 512         if (i == 3)
 513             continue;
 514         printf("%d", i);
 515     } while(1);
 516     printf("\n");
 517
 518     for(i = 0;i < 10;i++) {
 519         if (i == 3)
 520             continue;
 521         printf("%d", i);
 522     }
 523     printf("\n");
 524 }
 525
 526 typedef int typedef_and_label;
 527
 528 void goto_test()
 529 {
 530     int i;
 531     static void *label_table[3] = { &&label1, &&label2, &&label3 };
 532
 533     printf("goto:\n");
 534     i = 0;
 535     /* This needs to parse as label, not as start of decl.  */
 536  typedef_and_label:
 537  s_loop:
 538     if (i >= 10)
 539         goto s_end;
 540     printf("%d", i);
 541     i++;
 542     goto s_loop;
 543  s_end:
 544     printf("\n");
 545
 546     /* we also test computed gotos (GCC extension) */
 547     for(i=0;i<3;i++) {
 548         goto *label_table[i];
 549     label1:
 550         printf("label1\n");
 551         goto next;
 552     label2:
 553         printf("label2\n");
 554         goto next;
 555     label3:
 556         printf("label3\n");
 557     next: ;
 558     }
 559 }
 560
 561 enum {
 562     E0,
 563     E1 = 2,
 564     E2 = 4,
 565     E3,
 566     E4,
 567 };
 568
 569 enum test {
 570     E5 = 1000,
 571 };
 572
 573 void enum_test()
 574 {
 575     enum test b1;
 576     printf("enum:\n%d %d %d %d %d %d\n",
 577            E0, E1, E2, E3, E4, E5);
 578     b1 = 1;
 579     printf("b1=%d\n", b1);
 580 }
 581
 582 typedef int *my_ptr;
 583
 584 typedef int mytype1;
 585 typedef int mytype2;
 586
 587 void typedef_test()
 588 {
 589     my_ptr a;
 590     mytype1 mytype2;
 591     int b;
 592
 593     a = &b;
 594     *a = 1234;
 595     printf("typedef:\n");
 596     printf("a=%d\n", *a);
 597     mytype2 = 2;
 598     printf("mytype2=%d\n", mytype2);
 599 }
 600
 601 void forward_test()
 602 {
 603     printf("forward:\n");
 604     forward_ref();
 605     forward_ref();
 606 }
 607
 608
 609 void forward_ref(void)
 610 {
 611     printf("forward ok\n");
 612 }
 613
 614 typedef struct struct1 {
 615     int f1;
 616     int f2, f3;
 617     union union1 {
 618         int v1;
 619         int v2;
 620     } u;
 621     char str[3];
 622 } struct1;
 623
 624 struct struct2 {
 625     int a;
 626     char b;
 627 };
 628
 629 union union2 {
 630     int w1;
 631     int w2;
 632 };
 633
 634 struct struct1 st1, st2;
 635
 636 int main(int argc, char **argv)
 637 {
 638     string_test();
 639     expr_test();
 640     macro_test();
 641     recursive_macro_test();
 642     scope_test();
 643     forward_test();
 644     funcptr_test();
 645     loop_test();
 646     switch_test();
 647     goto_test();
 648     enum_test();
 649     typedef_test();
 650     struct_test();
 651     array_test();
 652     expr_ptr_test();
 653     bool_test();
 654     expr2_test();
 655     constant_expr_test();
 656     expr_cmp_test();
 657     char_short_test();
 658     init_test();
 659     compound_literal_test();
 660     kr_test();
 661     struct_assign_test();
 662     cast_test();
 663     bitfield_test();
 664     c99_bool_test();
 665     float_test();
 666     longlong_test();
 667     manyarg_test();
 668     stdarg_test();
 669     whitespace_test();
 670     relocation_test();
 671     old_style_function();
 672     alloca_test();
 673     c99_vla_test(5, 2);
 674     sizeof_test();
 675     typeof_test();
 676     statement_expr_test();
 677     local_label_test();
 678     asm_test();
 679     builtin_test();
 680 #ifndef _WIN32
 681     weak_test();
 682 #endif
 683     global_data_test();
 684     cmp_comparison_test();
 685     math_cmp_test();
 686     callsave_test();
 687     builtin_frame_address_test();
 688     intdiv_test();
 689     return 0;
 690 }
 691
 692 int tab[3];
 693 int tab2[3][2];
 694
 695 int g;
 696
 697 void f1(g)
 698 {
 699     printf("g1=%d\n", g);
 700 }
 701
 702 void scope_test()
 703 {
 704     printf("scope:\n");
 705     g = 2;
 706     f1(1);
 707     printf("g2=%d\n", g);
 708     {
 709         int g;
 710         g = 3;
 711         printf("g3=%d\n", g);
 712         {
 713             int g;
 714             g = 4;
 715             printf("g4=%d\n", g);
 716         }
 717     }
 718     printf("g5=%d\n", g);
 719 }
 720
 721 void array_test()
 722 {
 723     int i, j, a[4];
 724
 725     printf("array:\n");
 726     printf("sizeof(a) = %d\n", sizeof(a));
 727     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 728 #ifdef C99_MACROS
 729     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 730 #endif
 731     printf("sizeof tab %d\n", sizeof(tab));
 732     printf("sizeof tab2 %d\n", sizeof tab2);
 733     tab[0] = 1;
 734     tab[1] = 2;
 735     tab[2] = 3;
 736     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 737     for(i=0;i<3;i++)
 738         for(j=0;j<2;j++)
 739             tab2[i][j] = 10 * i + j;
 740     for(i=0;i<3*2;i++) {
 741         printf(" %3d", ((int *)tab2)[i]);
 742     }
 743     printf("\n");
 744     printf("sizeof(size_t)=%d\n", sizeof(size_t));
 745     printf("sizeof(ptrdiff_t)=%d\n", sizeof(ptrdiff_t));
 746 }
 747
 748 void expr_test()
 749 {
 750     int a, b;
 751     a = 0;
 752     printf("%d\n", a += 1);
 753     printf("%d\n", a -= 2);
 754     printf("%d\n", a *= 31232132);
 755     printf("%d\n", a /= 4);
 756     printf("%d\n", a %= 20);
 757     printf("%d\n", a &= 6);
 758     printf("%d\n", a ^= 7);
 759     printf("%d\n", a |= 8);
 760     printf("%d\n", a >>= 3);
 761     printf("%d\n", a <<= 4);
 762
 763     a = 22321;
 764     b = -22321;
 765     printf("%d\n", a + 1);
 766     printf("%d\n", a - 2);
 767     printf("%d\n", a * 312);
 768     printf("%d\n", a / 4);
 769     printf("%d\n", b / 4);
 770     printf("%d\n", (unsigned)b / 4);
 771     printf("%d\n", a % 20);
 772     printf("%d\n", b % 20);
 773     printf("%d\n", (unsigned)b % 20);
 774     printf("%d\n", a & 6);
 775     printf("%d\n", a ^ 7);
 776     printf("%d\n", a | 8);
 777     printf("%d\n", a >> 3);
 778     printf("%d\n", b >> 3);
 779     printf("%d\n", (unsigned)b >> 3);
 780     printf("%d\n", a << 4);
 781     printf("%d\n", ~a);
 782     printf("%d\n", -a);
 783     printf("%d\n", +a);
 784
 785     printf("%d\n", 12 + 1);
 786     printf("%d\n", 12 - 2);
 787     printf("%d\n", 12 * 312);
 788     printf("%d\n", 12 / 4);
 789     printf("%d\n", 12 % 20);
 790     printf("%d\n", 12 & 6);
 791     printf("%d\n", 12 ^ 7);
 792     printf("%d\n", 12 | 8);
 793     printf("%d\n", 12 >> 2);
 794     printf("%d\n", 12 << 4);
 795     printf("%d\n", ~12);
 796     printf("%d\n", -12);
 797     printf("%d\n", +12);
 798     printf("%d %d %d %d\n",
 799            isid('a'),
 800            isid('g'),
 801            isid('T'),
 802            isid('('));
 803 }
 804
 805 int isid(int c)
 806 {
 807     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 808 }
 809
 810 /**********************/
 811
 812 int vstack[10], *vstack_ptr;
 813
 814 void vpush(int vt, int vc)
 815 {
 816     *vstack_ptr++ = vt;
 817     *vstack_ptr++ = vc;
 818 }
 819
 820 void vpop(int *ft, int *fc)
 821 {
 822     *fc = *--vstack_ptr;
 823     *ft = *--vstack_ptr;
 824 }
 825
 826 void expr2_test()
 827 {
 828     int a, b;
 829
 830     printf("expr2:\n");
 831     vstack_ptr = vstack;
 832     vpush(1432432, 2);
 833     vstack_ptr[-2] &= ~0xffffff80;
 834     vpop(&a, &b);
 835     printf("res= %d %d\n", a, b);
 836 }
 837
 838 void constant_expr_test()
 839 {
 840     int a;
 841     printf("constant_expr:\n");
 842     a = 3;
 843     printf("%d\n", a * 16);
 844     printf("%d\n", a * 1);
 845     printf("%d\n", a + 0);
 846 }
 847
 848 int tab4[10];
 849
 850 void expr_ptr_test()
 851 {
 852     int *p, *q;
 853     int i = -1;
 854
 855     printf("expr_ptr:\n");
 856     p = tab4;
 857     q = tab4 + 10;
 858     printf("diff=%d\n", q - p);
 859     p++;
 860     printf("inc=%d\n", p - tab4);
 861     p--;
 862     printf("dec=%d\n", p - tab4);
 863     ++p;
 864     printf("inc=%d\n", p - tab4);
 865     --p;
 866     printf("dec=%d\n", p - tab4);
 867     printf("add=%d\n", p + 3 - tab4);
 868     printf("add=%d\n", 3 + p - tab4);
 869
 870     /* check if 64bit support is ok */
 871     q = p = 0;
 872     q += i;
 873     printf("%p %p %ld\n", q, p, p-q);
 874     printf("%d %d %d %d %d %d\n",
 875            p == q, p != q, p < q, p <= q, p >= q, p > q);
 876     i = 0xf0000000;
 877     p += i;
 878     printf("%p %p %ld\n", q, p, p-q);
 879     printf("%d %d %d %d %d %d\n",
 880            p == q, p != q, p < q, p <= q, p >= q, p > q);
 881     p = (int *)((char *)p + 0xf0000000);
 882     printf("%p %p %ld\n", q, p, p-q);
 883     printf("%d %d %d %d %d %d\n",
 884            p == q, p != q, p < q, p <= q, p >= q, p > q);
 885     p += 0xf0000000;
 886     printf("%p %p %ld\n", q, p, p-q);
 887     printf("%d %d %d %d %d %d\n",
 888            p == q, p != q, p < q, p <= q, p >= q, p > q);
 889     {
 890         struct size12 {
 891             int i, j, k;
 892         };
 893         struct size12 s[2], *sp = s;
 894         int i, j;
 895         sp->i = 42;
 896         sp++;
 897         j = -1;
 898         printf("%d\n", sp[j].i);
 899     }
 900 }
 901
 902 void expr_cmp_test()
 903 {
 904     int a, b;
 905     printf("constant_expr:\n");
 906     a = -1;
 907     b = 1;
 908     printf("%d\n", a == a);
 909     printf("%d\n", a != a);
 910
 911     printf("%d\n", a < b);
 912     printf("%d\n", a <= b);
 913     printf("%d\n", a <= a);
 914     printf("%d\n", b >= a);
 915     printf("%d\n", a >= a);
 916     printf("%d\n", b > a);
 917
 918     printf("%d\n", (unsigned)a < b);
 919     printf("%d\n", (unsigned)a <= b);
 920     printf("%d\n", (unsigned)a <= a);
 921     printf("%d\n", (unsigned)b >= a);
 922     printf("%d\n", (unsigned)a >= a);
 923     printf("%d\n", (unsigned)b > a);
 924 }
 925
 926 struct empty {
 927 };
 928
 929 struct aligntest1 {
 930     char a[10];
 931 };
 932
 933 struct aligntest2 {
 934     int a;
 935     char b[10];
 936 };
 937
 938 struct aligntest3 {
 939     double a, b;
 940 };
 941
 942 struct aligntest4 {
 943     double a[0];
 944 };
 945
 946 void struct_test()
 947 {
 948     struct1 *s;
 949     union union2 u;
 950
 951     printf("struct:\n");
 952     printf("sizes: %d %d %d %d\n",
 953            sizeof(struct struct1),
 954            sizeof(struct struct2),
 955            sizeof(union union1),
 956            sizeof(union union2));
 957     st1.f1 = 1;
 958     st1.f2 = 2;
 959     st1.f3 = 3;
 960     printf("st1: %d %d %d\n",
 961            st1.f1, st1.f2, st1.f3);
 962     st1.u.v1 = 1;
 963     st1.u.v2 = 2;
 964     printf("union1: %d\n", st1.u.v1);
 965     u.w1 = 1;
 966     u.w2 = 2;
 967     printf("union2: %d\n", u.w1);
 968     s = &st2;
 969     s->f1 = 3;
 970     s->f2 = 2;
 971     s->f3 = 1;
 972     printf("st2: %d %d %d\n",
 973            s->f1, s->f2, s->f3);
 974     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 975
 976     /* align / size tests */
 977     printf("aligntest1 sizeof=%d alignof=%d\n",
 978            sizeof(struct aligntest1), __alignof__(struct aligntest1));
 979     printf("aligntest2 sizeof=%d alignof=%d\n",
 980            sizeof(struct aligntest2), __alignof__(struct aligntest2));
 981     printf("aligntest3 sizeof=%d alignof=%d\n",
 982            sizeof(struct aligntest3), __alignof__(struct aligntest3));
 983     printf("aligntest4 sizeof=%d alignof=%d\n",
 984            sizeof(struct aligntest4), __alignof__(struct aligntest4));
 985
 986     /* empty structures (GCC extension) */
 987     printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
 988     printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
 989 }
 990
 991 /* XXX: depend on endianness */
 992 void char_short_test()
 993 {
 994     int var1, var2;
 995
 996     printf("char_short:\n");
 997
 998     var1 = 0x01020304;
 999     var2 = 0xfffefdfc;
1000     printf("s8=%d %d\n",
1001            *(char *)&var1, *(char *)&var2);
1002     printf("u8=%d %d\n",
1003            *(unsigned char *)&var1, *(unsigned char *)&var2);
1004     printf("s16=%d %d\n",
1005            *(short *)&var1, *(short *)&var2);
1006     printf("u16=%d %d\n",
1007            *(unsigned short *)&var1, *(unsigned short *)&var2);
1008     printf("s32=%d %d\n",
1009            *(int *)&var1, *(int *)&var2);
1010     printf("u32=%d %d\n",
1011            *(unsigned int *)&var1, *(unsigned int *)&var2);
1012     *(char *)&var1 = 0x08;
1013     printf("var1=%x\n", var1);
1014     *(short *)&var1 = 0x0809;
1015     printf("var1=%x\n", var1);
1016     *(int *)&var1 = 0x08090a0b;
1017     printf("var1=%x\n", var1);
1018 }
1019
1020 /******************/
1021
1022 typedef struct Sym {
1023     int v;
1024     int t;
1025     int c;
1026     struct Sym *next;
1027     struct Sym *prev;
1028 } Sym;
1029
1030 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
1031 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
1032
1033 static int toupper1(int a)
1034 {
1035     return TOUPPER(a);
1036 }
1037
1038 void bool_test()
1039 {
1040     int *s, a, b, t, f, i;
1041
1042     a = 0;
1043     s = (void*)0;
1044     printf("!s=%d\n", !s);
1045
1046     if (!s || !s[0])
1047         a = 1;
1048     printf("a=%d\n", a);
1049
1050     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
1051     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
1052     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
1053 #if 1 && 1
1054     printf("a1\n");
1055 #endif
1056 #if 1 || 0
1057     printf("a2\n");
1058 #endif
1059 #if 1 ? 0 : 1
1060     printf("a3\n");
1061 #endif
1062 #if 0 ? 0 : 1
1063     printf("a4\n");
1064 #endif
1065
1066     a = 4;
1067     printf("b=%d\n", a + (0 ? 1 : a / 2));
1068
1069     /* test register spilling */
1070     a = 10;
1071     b = 10;
1072     a = (a + b) * ((a < b) ?
1073                    ((b - a) * (a - b)): a + b);
1074     printf("a=%d\n", a);
1075
1076     /* test complex || or && expressions */
1077     t = 1;
1078     f = 0;
1079     a = 32;
1080     printf("exp=%d\n", f == (32 <= a && a <= 3));
1081     printf("r=%d\n", (t || f) + (t && f));
1082
1083     /* test ? : cast */
1084     {
1085         int aspect_on;
1086         int aspect_native = 65536;
1087         double bfu_aspect = 1.0;
1088         int aspect;
1089         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
1090             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
1091             printf("aspect=%d\n", aspect);
1092         }
1093     }
1094
1095     /* test ? : GCC extension */
1096     {
1097         static int v1 = 34 ? : -1; /* constant case */
1098         static int v2 = 0 ? : -1; /* constant case */
1099         int a = 30;
1100
1101         printf("%d %d\n", v1, v2);
1102         printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
1103     }
1104
1105     /* again complex expression */
1106     for(i=0;i<256;i++) {
1107         if (toupper1 (i) != TOUPPER (i))
1108             printf("error %d\n", i);
1109     }
1110 }
1111
1112 /* GCC accepts that */
1113 static int tab_reinit[];
1114 static int tab_reinit[10];
1115
1116 //int cinit1; /* a global variable can be defined several times without error ! */
1117 int cinit1;
1118 int cinit1;
1119 int cinit1 = 0;
1120 int *cinit2 = (int []){3, 2, 1};
1121
1122 void compound_literal_test(void)
1123 {
1124     int *p, i;
1125     char *q, *q3;
1126
1127     printf("compound_test:\n");
1128
1129     p = (int []){1, 2, 3};
1130     for(i=0;i<3;i++)
1131         printf(" %d", p[i]);
1132     printf("\n");
1133
1134     for(i=0;i<3;i++)
1135         printf("%d", cinit2[i]);
1136     printf("\n");
1137
1138     q = "tralala1";
1139     printf("q1=%s\n", q);
1140
1141     q = (char *){ "tralala2" };
1142     printf("q2=%s\n", q);
1143
1144     q3 = (char *){ q };
1145     printf("q3=%s\n", q3);
1146
1147     q = (char []){ "tralala3" };
1148     printf("q4=%s\n", q);
1149
1150 #ifdef ALL_ISOC99
1151     p = (int []){1, 2, cinit1 + 3};
1152     for(i=0;i<3;i++)
1153         printf(" %d", p[i]);
1154     printf("\n");
1155
1156     for(i=0;i<3;i++) {
1157         p = (int []){1, 2, 4 + i};
1158         printf("%d %d %d\n",
1159                p[0],
1160                p[1],
1161                p[2]);
1162     }
1163 #endif
1164 }
1165
1166 /* K & R protos */
1167
1168 kr_func1(a, b)
1169 {
1170     return a + b;
1171 }
1172
1173 int kr_func2(a, b)
1174 {
1175     return a + b;
1176 }
1177
1178 kr_test()
1179 {
1180     printf("kr_test:\n");
1181     printf("func1=%d\n", kr_func1(3, 4));
1182     printf("func2=%d\n", kr_func2(3, 4));
1183     return 0;
1184 }
1185
1186 void num(int n)
1187 {
1188     char *tab, *p;
1189     tab = (char*)malloc(20);
1190     p = tab;
1191     while (1) {
1192         *p = 48 + (n % 10);
1193         p++;
1194         n = n / 10;
1195         if (n == 0)
1196             break;
1197     }
1198     while (p != tab) {
1199         p--;
1200         printf("%c", *p);
1201     }
1202     printf("\n");
1203     free(tab);
1204 }
1205
1206 /* structure assignment tests */
1207 struct structa1 {
1208     int f1;
1209     char f2;
1210 };
1211
1212 struct structa1 ssta1;
1213
1214 void struct_assign_test1(struct structa1 s1, int t, float f)
1215 {
1216     printf("%d %d %d %f\n", s1.f1, s1.f2, t, f);
1217 }
1218
1219 struct structa1 struct_assign_test2(struct structa1 s1, int t)
1220 {
1221     s1.f1 += t;
1222     s1.f2 -= t;
1223     return s1;
1224 }
1225
1226 void struct_assign_test(void)
1227 {
1228     struct S {
1229       struct structa1 lsta1, lsta2;
1230       int i;
1231     } s, *ps;
1232
1233     ps = &s;
1234     ps->i = 4;
1235 #if 0
1236     printf("struct_assign_test:\n");
1237
1238     s.lsta1.f1 = 1;
1239     s.lsta1.f2 = 2;
1240     printf("%d %d\n", s.lsta1.f1, s.lsta1.f2);
1241     s.lsta2 = s.lsta1;
1242     printf("%d %d\n", s.lsta2.f1, s.lsta2.f2);
1243 #else
1244     s.lsta2.f1 = 1;
1245     s.lsta2.f2 = 2;
1246 #endif
1247     struct_assign_test1(ps->lsta2, 3, 4.5);
1248
1249     printf("before call: %d %d\n", s.lsta2.f1, s.lsta2.f2);
1250     ps->lsta2 = struct_assign_test2(ps->lsta2, ps->i);
1251     printf("after call: %d %d\n", ps->lsta2.f1, ps->lsta2.f2);
1252
1253     static struct {
1254         void (*elem)();
1255     } t[] = {
1256         /* XXX: we should allow this even without braces */
1257         { struct_assign_test }
1258     };
1259     printf("%d\n", struct_assign_test == t[0].elem);
1260 }
1261
1262 /* casts to short/char */
1263
1264 void cast1(char a, short b, unsigned char c, unsigned short d)
1265 {
1266     printf("%d %d %d %d\n", a, b, c, d);
1267 }
1268
1269 char bcast;
1270 short scast;
1271
1272 void cast_test()
1273 {
1274     int a;
1275     char c;
1276     char tab[10];
1277     unsigned b,d;
1278     short s;
1279     char *p = NULL;
1280     p -= 0x700000000042;
1281
1282     printf("cast_test:\n");
1283     a = 0xfffff;
1284     cast1(a, a, a, a);
1285     a = 0xffffe;
1286     printf("%d %d %d %d\n",
1287            (char)(a + 1),
1288            (short)(a + 1),
1289            (unsigned char)(a + 1),
1290            (unsigned short)(a + 1));
1291     printf("%d %d %d %d\n",
1292            (char)0xfffff,
1293            (short)0xfffff,
1294            (unsigned char)0xfffff,
1295            (unsigned short)0xfffff);
1296
1297     a = (bcast = 128) + 1;
1298     printf("%d\n", a);
1299     a = (scast = 65536) + 1;
1300     printf("%d\n", a);
1301
1302     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
1303
1304     /* test cast from unsigned to signed short to int */
1305     b = 0xf000;
1306     d = (short)b;
1307     printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
1308     b = 0xf0f0;
1309     d = (char)b;
1310     printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
1311
1312     /* test implicit int casting for array accesses */
1313     c = 0;
1314     tab[1] = 2;
1315     tab[c] = 1;
1316     printf("%d %d\n", tab[0], tab[1]);
1317
1318     /* test implicit casting on some operators */
1319     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
1320     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
1321     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
1322
1323     /* from pointer to integer types */
1324     printf("%d %d %ld %ld %lld %lld\n",
1325            (int)p, (unsigned int)p,
1326            (long)p, (unsigned long)p,
1327            (long long)p, (unsigned long long)p);
1328
1329     /* from integers to pointers */
1330     printf("%p %p %p %p\n",
1331            (void *)a, (void *)b, (void *)c, (void *)d);
1332 }
1333
1334 /* initializers tests */
1335 struct structinit1 {
1336     int f1;
1337     char f2;
1338     short f3;
1339     int farray[3];
1340 };
1341
1342 int sinit1 = 2;
1343 int sinit2 = { 3 };
1344 int sinit3[3] = { 1, 2, {{3}}, };
1345 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1346 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1347 int sinit6[] = { 1, 2, 3 };
1348 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1349 char sinit8[] = "hello" "trala";
1350
1351 struct structinit1 sinit9 = { 1, 2, 3 };
1352 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1353 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1354 #ifdef ALL_ISOC99
1355                                .farray[0] = 10,
1356                                .farray[1] = 11,
1357                                .farray[2] = 12,
1358 #endif
1359 };
1360
1361 char *sinit12 = "hello world";
1362 char *sinit13[] = {
1363     "test1",
1364     "test2",
1365     "test3",
1366 };
1367 char sinit14[10] = { "abc" };
1368 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1369
1370 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1371
1372 struct bar {
1373         char *s;
1374         int len;
1375 } sinit17[] = {
1376         "a1", 4,
1377         "a2", 1
1378 };
1379
1380 int sinit18[10] = {
1381     [2 ... 5] = 20,
1382     2,
1383     [8] = 10,
1384 };
1385
1386 struct complexinit0 {
1387     int a;
1388     int b;
1389 };
1390
1391 struct complexinit {
1392     int a;
1393     const struct complexinit0 *b;
1394 };
1395
1396 const static struct complexinit cix[] = {
1397     [0] = {
1398         .a = 2000,
1399         .b = (const struct complexinit0[]) {
1400                 { 2001, 2002 },
1401                 { 2003, 2003 },
1402                 {}
1403         }
1404     }
1405 };
1406
1407 struct complexinit2 {
1408         int a;
1409         int b[];
1410 };
1411
1412 struct complexinit2 cix20;
1413
1414 struct complexinit2 cix21 = {
1415         .a = 3000,
1416         .b = { 3001, 3002, 3003 }
1417 };
1418
1419 struct complexinit2 cix22 = {
1420         .a = 4000,
1421         .b = { 4001, 4002, 4003, 4004, 4005, 4006 }
1422 };
1423
1424 void init_test(void)
1425 {
1426     int linit1 = 2;
1427     int linit2 = { 3 };
1428     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1429     int linit6[] = { 1, 2, 3 };
1430     int i, j;
1431     char linit8[] = "hello" "trala";
1432     int linit12[10] = { 1, 2 };
1433     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1434     char linit14[10] = "abc";
1435     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1436     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1437     int linit17 = sizeof(linit17);
1438
1439     printf("init_test:\n");
1440
1441     printf("sinit1=%d\n", sinit1);
1442     printf("sinit2=%d\n", sinit2);
1443     printf("sinit3=%d %d %d %d\n",
1444            sizeof(sinit3),
1445            sinit3[0],
1446            sinit3[1],
1447            sinit3[2]
1448            );
1449     printf("sinit6=%d\n", sizeof(sinit6));
1450     printf("sinit7=%d %d %d %d\n",
1451            sizeof(sinit7),
1452            sinit7[0],
1453            sinit7[1],
1454            sinit7[2]
1455            );
1456     printf("sinit8=%s\n", sinit8);
1457     printf("sinit9=%d %d %d\n",
1458            sinit9.f1,
1459            sinit9.f2,
1460            sinit9.f3
1461            );
1462     printf("sinit10=%d %d %d\n",
1463            sinit10.f1,
1464            sinit10.f2,
1465            sinit10.f3
1466            );
1467     printf("sinit11=%d %d %d %d %d %d\n",
1468            sinit11.f1,
1469            sinit11.f2,
1470            sinit11.f3,
1471            sinit11.farray[0],
1472            sinit11.farray[1],
1473            sinit11.farray[2]
1474            );
1475
1476     for(i=0;i<3;i++)
1477         for(j=0;j<2;j++)
1478             printf("[%d][%d] = %d %d %d\n",
1479                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1480     printf("linit1=%d\n", linit1);
1481     printf("linit2=%d\n", linit2);
1482     printf("linit6=%d\n", sizeof(linit6));
1483     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1484
1485     printf("sinit12=%s\n", sinit12);
1486     printf("sinit13=%d %s %s %s\n",
1487            sizeof(sinit13),
1488            sinit13[0],
1489            sinit13[1],
1490            sinit13[2]);
1491     printf("sinit14=%s\n", sinit14);
1492
1493     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1494     printf("\n");
1495     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1496     printf("\n");
1497     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1498     printf("\n");
1499     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1500     printf("\n");
1501     printf("%d %d %d %d\n",
1502            linit16.a1,
1503            linit16.a2,
1504            linit16.a3,
1505            linit16.a4);
1506     /* test that initialisation is done after variable declare */
1507     printf("linit17=%d\n", linit17);
1508     printf("sinit15=%d\n", sinit15[0]);
1509     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1510     printf("sinit17=%s %d %s %d\n",
1511            sinit17[0].s, sinit17[0].len,
1512            sinit17[1].s, sinit17[1].len);
1513     for(i=0;i<10;i++)
1514         printf("%x ", sinit18[i]);
1515     printf("\n");
1516     /* complex init check */
1517     printf("cix: %d %d %d %d %d %d %d\n",
1518         cix[0].a,
1519         cix[0].b[0].a, cix[0].b[0].b,
1520         cix[0].b[1].a, cix[0].b[1].b,
1521         cix[0].b[2].a, cix[0].b[2].b);
1522     printf("cix2: %d %d\n", cix21.b[2], cix22.b[5]);
1523     printf("sizeof cix20 %d, cix21 %d, sizeof cix22 %d\n", sizeof cix20, sizeof cix21, sizeof cix22);
1524 }
1525
1526
1527 void switch_test()
1528 {
1529     int i;
1530
1531     for(i=0;i<15;i++) {
1532         switch(i) {
1533         case 0:
1534         case 1:
1535             printf("a");
1536             break;
1537         default:
1538             printf("%d", i);
1539             break;
1540         case 8 ... 12:
1541             printf("c");
1542             break;
1543         case 3:
1544             printf("b");
1545             break;
1546         }
1547     }
1548     printf("\n");
1549 }
1550
1551 /* ISOC99 _Bool type */
1552 void c99_bool_test(void)
1553 {
1554 #ifdef BOOL_ISOC99
1555     int a;
1556     _Bool b;
1557
1558     printf("bool_test:\n");
1559     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1560     a = 3;
1561     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1562     b = 3;
1563     printf("b = %d\n", b);
1564     b++;
1565     printf("b = %d\n", b);
1566 #endif
1567 }
1568
1569 void bitfield_test(void)
1570 {
1571     int a;
1572     short sa;
1573     unsigned char ca;
1574     struct sbf1 {
1575         int f1 : 3;
1576         int : 2;
1577         int f2 : 1;
1578         int : 0;
1579         int f3 : 5;
1580         int f4 : 7;
1581         unsigned int f5 : 7;
1582     } st1;
1583     printf("bitfield_test:");
1584     printf("sizeof(st1) = %d\n", sizeof(st1));
1585
1586     st1.f1 = 3;
1587     st1.f2 = 1;
1588     st1.f3 = 15;
1589     a = 120;
1590     st1.f4 = a;
1591     st1.f5 = a;
1592     st1.f5++;
1593     printf("%d %d %d %d %d\n",
1594            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1595     sa = st1.f5;
1596     ca = st1.f5;
1597     printf("%d %d\n", sa, ca);
1598
1599     st1.f1 = 7;
1600     if (st1.f1 == -1)
1601         printf("st1.f1 == -1\n");
1602     else
1603         printf("st1.f1 != -1\n");
1604     if (st1.f2 == -1)
1605         printf("st1.f2 == -1\n");
1606     else
1607         printf("st1.f2 != -1\n");
1608
1609     /* bit sizes below must be bigger than 32 since GCC doesn't allow
1610        long-long bitfields whose size is not bigger than int */
1611     struct sbf2 {
1612         long long f1 : 45;
1613         long long : 2;
1614         long long f2 : 35;
1615         unsigned long long f3 : 38;
1616     } st2;
1617     st2.f1 = 0x123456789ULL;
1618     a = 120;
1619     st2.f2 = (long long)a << 25;
1620     st2.f3 = a;
1621     st2.f2++;
1622     printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
1623 }
1624
1625 #ifdef __x86_64__
1626 #define FLOAT_FMT "%f\n"
1627 #else
1628 /* x86's float isn't compatible with GCC */
1629 #define FLOAT_FMT "%.5f\n"
1630 #endif
1631
1632 /* declare strto* functions as they are C99 */
1633 double strtod(const char *nptr, char **endptr);
1634
1635 #if defined(_WIN32)
1636 float strtof(const char *nptr, char **endptr) {return (float)strtod(nptr, endptr);}
1637 LONG_DOUBLE strtold(const char *nptr, char **endptr) {return (LONG_DOUBLE)strtod(nptr, endptr);}
1638 #else
1639 float strtof(const char *nptr, char **endptr);
1640 LONG_DOUBLE strtold(const char *nptr, char **endptr);
1641 #endif
1642
1643 #define FTEST(prefix, typename, type, fmt)\
1644 void prefix ## cmp(type a, type b)\
1645 {\
1646     printf("%d %d %d %d %d %d\n",\
1647            a == b,\
1648            a != b,\
1649            a < b,\
1650            a > b,\
1651            a >= b,\
1652            a <= b);\
1653     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1654            a,\
1655            b,\
1656            a + b,\
1657            a - b,\
1658            a * b,\
1659            a / b,\
1660            -a);\
1661     printf(fmt "\n", ++a);\
1662     printf(fmt "\n", a++);\
1663     printf(fmt "\n", a);\
1664     b = 0;\
1665     printf("%d %d\n", !a, !b);\
1666 }\
1667 void prefix ## fcast(type a)\
1668 {\
1669     float fa;\
1670     double da;\
1671     LONG_DOUBLE la;\
1672     int ia;\
1673     long long llia;\
1674     unsigned int ua;\
1675     unsigned long long llua;\
1676     type b;\
1677     fa = a;\
1678     da = a;\
1679     la = a;\
1680     printf("ftof: %f %f %Lf\n", fa, da, la);\
1681     ia = (int)a;\
1682     llia = (long long)a;\
1683     a = (a >= 0) ? a : -a;\
1684     ua = (unsigned int)a;\
1685     llua = (unsigned long long)a;\
1686     printf("ftoi: %d %u %lld %llu\n", ia, ua, llia, llua);\
1687     ia = -1234;\
1688     ua = 0x81234500;\
1689     llia = -0x123456789012345LL;\
1690     llua = 0xf123456789012345LLU;\
1691     b = ia;\
1692     printf("itof: " fmt "\n", b);\
1693     b = ua;\
1694     printf("utof: " fmt "\n", b);\
1695     b = llia;\
1696     printf("lltof: " fmt "\n", b);\
1697     b = llua;\
1698     printf("ulltof: " fmt "\n", b);\
1699 }\
1700 \
1701 float prefix ## retf(type a) { return a; }\
1702 double prefix ## retd(type a) { return a; }\
1703 LONG_DOUBLE prefix ## retld(type a) { return a; }\
1704 \
1705 void prefix ## call(void)\
1706 {\
1707     printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
1708     printf("double: %f\n", prefix ## retd(42.123456789));\
1709     printf("long double: %Lf\n", prefix ## retld(42.123456789));\
1710     printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
1711 }\
1712 \
1713 void prefix ## signed_zeros(void) \
1714 {\
1715   type x = 0.0, y = -0.0, n, p;\
1716   if (x == y)\
1717     printf ("Test 1.0 / x != 1.0 / y  returns %d (should be 1).\n",\
1718             1.0 / x != 1.0 / y);\
1719   else\
1720     printf ("x != y; this is wrong!\n");\
1721 \
1722   n = -x;\
1723   if (x == n)\
1724     printf ("Test 1.0 / x != 1.0 / -x returns %d (should be 1).\n",\
1725             1.0 / x != 1.0 / n);\
1726   else\
1727     printf ("x != -x; this is wrong!\n");\
1728 \
1729   p = +y;\
1730   if (x == p)\
1731     printf ("Test 1.0 / x != 1.0 / +y returns %d (should be 1).\n",\
1732             1.0 / x != 1.0 / p);\
1733   else\
1734     printf ("x != +y; this is wrong!\n");\
1735   p = -y;\
1736   if (x == p)\
1737     printf ("Test 1.0 / x != 1.0 / -y returns %d (should be 0).\n",\
1738             1.0 / x != 1.0 / p);\
1739   else\
1740     printf ("x != -y; this is wrong!\n");\
1741 }\
1742 void prefix ## test(void)\
1743 {\
1744     printf("testing '%s'\n", #typename);\
1745     prefix ## cmp(1, 2.5);\
1746     prefix ## cmp(2, 1.5);\
1747     prefix ## cmp(1, 1);\
1748     prefix ## fcast(234.6);\
1749     prefix ## fcast(-2334.6);\
1750     prefix ## call();\
1751     prefix ## signed_zeros();\
1752 }
1753
1754 FTEST(f, float, float, "%f")
1755 FTEST(d, double, double, "%f")
1756 FTEST(ld, long double, LONG_DOUBLE, "%Lf")
1757
1758 double ftab1[3] = { 1.2, 3.4, -5.6 };
1759
1760
1761 void float_test(void)
1762 {
1763     float fa, fb;
1764     double da, db;
1765     int a;
1766     unsigned int b;
1767
1768     printf("float_test:\n");
1769     printf("sizeof(float) = %d\n", sizeof(float));
1770     printf("sizeof(double) = %d\n", sizeof(double));
1771     printf("sizeof(long double) = %d\n", sizeof(LONG_DOUBLE));
1772     ftest();
1773     dtest();
1774     ldtest();
1775     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1776     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1777     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1778     da = 123;
1779     printf("da=%f\n", da);
1780     fa = 123;
1781     printf("fa=%f\n", fa);
1782     a = 4000000000;
1783     da = a;
1784     printf("da = %f\n", da);
1785     b = 4000000000;
1786     db = b;
1787     printf("db = %f\n", db);
1788 }
1789
1790 int fib(int n)
1791 {
1792     if (n <= 2)
1793         return 1;
1794     else
1795         return fib(n-1) + fib(n-2);
1796 }
1797
1798 void funcptr_test()
1799 {
1800     void (*func)(int);
1801     int a;
1802     struct {
1803         int dummy;
1804         void (*func)(int);
1805     } st1;
1806
1807     printf("funcptr:\n");
1808     func = &num;
1809     (*func)(12345);
1810     func = num;
1811     a = 1;
1812     a = 1;
1813     func(12345);
1814     /* more complicated pointer computation */
1815     st1.func = num;
1816     st1.func(12346);
1817     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1818     printf("sizeof2 = %d\n", sizeof funcptr_test);
1819     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1820     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1821 }
1822
1823 void lloptest(long long a, long long b)
1824 {
1825     unsigned long long ua, ub;
1826
1827     ua = a;
1828     ub = b;
1829     /* arith */
1830     printf("arith: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1831            a + b,
1832            a - b,
1833            a * b);
1834
1835     if (b != 0) {
1836         printf("arith1: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1837            a / b,
1838            a % b);
1839     }
1840
1841     /* binary */
1842     printf("bin: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1843            a & b,
1844            a | b,
1845            a ^ b);
1846
1847     /* tests */
1848     printf("test: %d %d %d %d %d %d\n",
1849            a == b,
1850            a != b,
1851            a < b,
1852            a > b,
1853            a >= b,
1854            a <= b);
1855
1856     printf("utest: %d %d %d %d %d %d\n",
1857            ua == ub,
1858            ua != ub,
1859            ua < ub,
1860            ua > ub,
1861            ua >= ub,
1862            ua <= ub);
1863
1864     /* arith2 */
1865     a++;
1866     b++;
1867     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1868     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a++, b++);
1869     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", --a, --b);
1870     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1871     b = ub = 0;
1872     printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
1873 }
1874
1875 void llshift(long long a, int b)
1876 {
1877     printf("shift: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1878            (unsigned long long)a >> b,
1879            a >> b,
1880            a << b);
1881     printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1882            (unsigned long long)a >> 3,
1883            a >> 3,
1884            a << 3);
1885     printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1886            (unsigned long long)a >> 35,
1887            a >> 35,
1888            a << 35);
1889 }
1890
1891 void llfloat(void)
1892 {
1893     float fa;
1894     double da;
1895     LONG_DOUBLE lda;
1896     long long la, lb, lc;
1897     unsigned long long ula, ulb, ulc;
1898     la = 0x12345678;
1899     ula = 0x72345678;
1900     la = (la << 20) | 0x12345;
1901     ula = ula << 33;
1902     printf("la=" LONG_LONG_FORMAT " ula=" ULONG_LONG_FORMAT "\n", la, ula);
1903
1904     fa = la;
1905     da = la;
1906     lda = la;
1907     printf("lltof: %f %f %Lf\n", fa, da, lda);
1908
1909     la = fa;
1910     lb = da;
1911     lc = lda;
1912     printf("ftoll: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", la, lb, lc);
1913
1914     fa = ula;
1915     da = ula;
1916     lda = ula;
1917     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1918
1919     ula = fa;
1920     ulb = da;
1921     ulc = lda;
1922     printf("ftoull: " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT "\n", ula, ulb, ulc);
1923 }
1924
1925 long long llfunc1(int a)
1926 {
1927     return a * 2;
1928 }
1929
1930 struct S {
1931     int id;
1932     char item;
1933 };
1934
1935 long long int value(struct S *v)
1936 {
1937     return ((long long int)v->item);
1938 }
1939
1940 void longlong_test(void)
1941 {
1942     long long a, b, c;
1943     int ia;
1944     unsigned int ua;
1945     printf("longlong_test:\n");
1946     printf("sizeof(long long) = %d\n", sizeof(long long));
1947     ia = -1;
1948     ua = -2;
1949     a = ia;
1950     b = ua;
1951     printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1952     printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %Lx\n",
1953            (long long)1,
1954            (long long)-2,
1955            1LL,
1956            0x1234567812345679);
1957     a = llfunc1(-3);
1958     printf(LONG_LONG_FORMAT "\n", a);
1959
1960     lloptest(1000, 23);
1961     lloptest(0xff, 0x1234);
1962     b = 0x72345678 << 10;
1963     lloptest(-3, b);
1964     llshift(0x123, 5);
1965     llshift(-23, 5);
1966     b = 0x72345678LL << 10;
1967     llshift(b, 47);
1968
1969     llfloat();
1970 #if 1
1971     b = 0x12345678;
1972     a = -1;
1973     c = a + b;
1974     printf("%Lx\n", c);
1975 #endif
1976
1977     /* long long reg spill test */
1978     {
1979           struct S a;
1980
1981           a.item = 3;
1982           printf("%lld\n", value(&a));
1983     }
1984     lloptest(0x80000000, 0);
1985
1986     /* another long long spill test */
1987     {
1988         long long *p, v;
1989         v = 1;
1990         p = &v;
1991         p[0]++;
1992         printf("%lld\n", *p);
1993     }
1994
1995     a = 68719476720LL;
1996     b = 4294967295LL;
1997     printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
1998
1999     printf(LONG_LONG_FORMAT "\n", 0x123456789LLU);
2000 }
2001
2002 void manyarg_test(void)
2003 {
2004     LONG_DOUBLE ld = 1234567891234LL;
2005     printf("manyarg_test:\n");
2006     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
2007            1, 2, 3, 4, 5, 6, 7, 8,
2008            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
2009     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2010            LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
2011            1, 2, 3, 4, 5, 6, 7, 8,
2012            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2013            1234567891234LL, 987654321986LL,
2014            42.0, 43.0);
2015     printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2016            LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
2017            ld, 1, 2, 3, 4, 5, 6, 7, 8,
2018            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2019            1234567891234LL, 987654321986LL,
2020            42.0, 43.0);
2021     printf("%d %d %d %d %d %d %d %d %Lf\n",
2022            1, 2, 3, 4, 5, 6, 7, 8, ld);
2023     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2024            LONG_LONG_FORMAT " " LONG_LONG_FORMAT "%f %f %Lf\n",
2025            1, 2, 3, 4, 5, 6, 7, 8,
2026            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2027            1234567891234LL, 987654321986LL,
2028            42.0, 43.0, ld);
2029     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2030            "%Lf " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f %Lf\n",
2031            1, 2, 3, 4, 5, 6, 7, 8,
2032            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2033            ld, 1234567891234LL, 987654321986LL,
2034            42.0, 43.0, ld);
2035 }
2036
2037 void vprintf1(const char *fmt, ...)
2038 {
2039     va_list ap, aq;
2040     const char *p;
2041     int c, i;
2042     double d;
2043     long long ll;
2044     LONG_DOUBLE ld;
2045
2046     va_start(aq, fmt);
2047     va_copy(ap, aq);
2048
2049     p = fmt;
2050     for(;;) {
2051         c = *p;
2052         if (c == '\0')
2053             break;
2054         p++;
2055         if (c == '%') {
2056             c = *p;
2057             switch(c) {
2058             case '\0':
2059                 goto the_end;
2060             case 'd':
2061                 i = va_arg(ap, int);
2062                 printf("%d", i);
2063                 break;
2064             case 'f':
2065                 d = va_arg(ap, double);
2066                 printf("%f", d);
2067                 break;
2068             case 'l':
2069                 ll = va_arg(ap, long long);
2070                 printf(LONG_LONG_FORMAT, ll);
2071                 break;
2072             case 'F':
2073                 ld = va_arg(ap, LONG_DOUBLE);
2074                 printf("%Lf", ld);
2075                 break;
2076             }
2077             p++;
2078         } else {
2079             putchar(c);
2080         }
2081     }
2082  the_end:
2083     va_end(aq);
2084     va_end(ap);
2085 }
2086
2087 struct myspace {
2088     short int profile;
2089 };
2090
2091 void stdarg_for_struct(struct myspace bob, ...)
2092 {
2093     struct myspace george, bill;
2094     va_list ap;
2095     short int validate;
2096
2097     va_start(ap, bob);
2098     bill     = va_arg(ap, struct myspace);
2099     george   = va_arg(ap, struct myspace);
2100     validate = va_arg(ap, int);
2101     printf("stdarg_for_struct: %d %d %d %d\n",
2102            bob.profile, bill.profile, george.profile, validate);
2103     va_end(ap);
2104 }
2105
2106 void stdarg_test(void)
2107 {
2108     LONG_DOUBLE ld = 1234567891234LL;
2109     struct myspace bob;
2110
2111     vprintf1("%d %d %d\n", 1, 2, 3);
2112     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
2113     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
2114     vprintf1("%F %F %F\n", LONG_DOUBLE_LITERAL(1.2), LONG_DOUBLE_LITERAL(2.3), LONG_DOUBLE_LITERAL(3.4));
2115     vprintf1("%d %f %l %F %d %f %l %F\n",
2116              1, 1.2, 3LL, LONG_DOUBLE_LITERAL(4.5), 6, 7.8, 9LL, LONG_DOUBLE_LITERAL(0.1));
2117     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
2118              1, 2, 3, 4, 5, 6, 7, 8,
2119              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
2120     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
2121              1, 2, 3, 4, 5, 6, 7, 8,
2122              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
2123     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2124              "%l %l %f %f\n",
2125              1, 2, 3, 4, 5, 6, 7, 8,
2126              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2127              1234567891234LL, 987654321986LL,
2128              42.0, 43.0);
2129     vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2130              "%l %l %f %f\n",
2131              ld, 1, 2, 3, 4, 5, 6, 7, 8,
2132              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2133              1234567891234LL, 987654321986LL,
2134              42.0, 43.0);
2135     vprintf1("%d %d %d %d %d %d %d %d %F\n",
2136              1, 2, 3, 4, 5, 6, 7, 8, ld);
2137     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2138              "%l %l %f %f %F\n",
2139              1, 2, 3, 4, 5, 6, 7, 8,
2140              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2141              1234567891234LL, 987654321986LL,
2142              42.0, 43.0, ld);
2143     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2144              "%F %l %l %f %f %F\n",
2145              1, 2, 3, 4, 5, 6, 7, 8,
2146              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2147              ld, 1234567891234LL, 987654321986LL,
2148              42.0, 43.0, ld);
2149
2150     bob.profile = 42;
2151     stdarg_for_struct(bob, bob, bob, bob.profile);
2152 }
2153
2154 void whitespace_test(void)
2155 {
2156     char *str;
2157
2158 \f\v
#if 1
2159     pri\
2160 ntf("whitspace:\n");\f\v
2161 #endif
2162     pf("N=%d\n", 2);
2163
2164 #ifdef CORRECT_CR_HANDLING
2165     pri\
2166 ntf("aaa=%d\n", 3);
2167 #endif
2168
2169     pri\
2170 \
2171 ntf("min=%d\n", 4);
2172
2173 #ifdef ACCEPT_CR_IN_STRINGS
2174     printf("len1=%d\n", strlen("
2175 "));
2176 #ifdef CORRECT_CR_HANDLING
2177     str = "
2178 ";
2179     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
2180 #endif
2181     printf("len1=%d\n", strlen("
a
2182 "));
2183 #endif /* ACCEPT_CR_IN_STRINGS */
2184 }
2185
2186 int reltab[3] = { 1, 2, 3 };
2187
2188 int *rel1 = &reltab[1];
2189 int *rel2 = &reltab[2];
2190
2191 void relocation_test(void)
2192 {
2193     printf("*rel1=%d\n", *rel1);
2194     printf("*rel2=%d\n", *rel2);
2195 }
2196
2197 void old_style_f(a,b,c)
2198      int a, b;
2199      double c;
2200 {
2201     printf("a=%d b=%d b=%f\n", a, b, c);
2202 }
2203
2204 void decl_func1(int cmpfn())
2205 {
2206     printf("cmpfn=%lx\n", (long)cmpfn);
2207 }
2208
2209 void decl_func2(cmpfn)
2210 int cmpfn();
2211 {
2212     printf("cmpfn=%lx\n", (long)cmpfn);
2213 }
2214
2215 void old_style_function(void)
2216 {
2217     old_style_f((void *)1, 2, 3.0);
2218     decl_func1(NULL);
2219     decl_func2(NULL);
2220 }
2221
2222 void alloca_test()
2223 {
2224 #if defined __i386__ || defined __x86_64__ || defined __arm__
2225     char *p = alloca(16);
2226     strcpy(p,"123456789012345");
2227     printf("alloca: p is %s\n", p);
2228     char *demo = "This is only a test.\n";
2229     /* Test alloca embedded in a larger expression */
2230     printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
2231 #endif
2232 }
2233
2234 void *bounds_checking_is_enabled()
2235 {
2236     char ca[10], *cp = ca-1;
2237     return (ca != cp + 1) ? cp : NULL;
2238 }
2239
2240 typedef int constant_negative_array_size_as_compile_time_assertion_idiom[(1 ? 2 : 0) - 1];
2241
2242 void c99_vla_test(int size1, int size2)
2243 {
2244 #if defined __i386__ || defined __x86_64__
2245     int size = size1 * size2;
2246     int tab1[size][2], tab2[10][2];
2247     void *tab1_ptr, *tab2_ptr, *bad_ptr;
2248
2249     /* "size" should have been 'captured' at tab1 declaration,
2250         so modifying it should have no effect on VLA behaviour. */
2251     size = size-1;
2252
2253     printf("Test C99 VLA 1 (sizeof): ");
2254     printf("%s\n", (sizeof tab1 == size1 * size2 * 2 * sizeof(int)) ? "PASSED" : "FAILED");
2255     tab1_ptr = tab1;
2256     tab2_ptr = tab2;
2257     printf("Test C99 VLA 2 (ptrs subtract): ");
2258     printf("%s\n", (tab2 - tab1 == (tab2_ptr - tab1_ptr) / (sizeof(int) * 2)) ? "PASSED" : "FAILED");
2259     printf("Test C99 VLA 3 (ptr add): ");
2260     printf("%s\n", &tab1[5][1] == (tab1_ptr + (5 * 2 + 1) * sizeof(int)) ? "PASSED" : "FAILED");
2261     printf("Test C99 VLA 4 (ptr access): ");
2262     tab1[size1][1] = 42;
2263     printf("%s\n", (*((int *) (tab1_ptr + (size1 * 2 + 1) * sizeof(int))) == 42) ? "PASSED" : "FAILED");
2264
2265     printf("Test C99 VLA 5 (bounds checking (might be disabled)): ");
2266     if (bad_ptr = bounds_checking_is_enabled()) {
2267         int *t1 = &tab1[size1 * size2 - 1][3];
2268         int *t2 = &tab2[9][3];
2269         printf("%s ", bad_ptr == t1 ? "PASSED" : "FAILED");
2270         printf("%s ", bad_ptr == t2 ? "PASSED" : "FAILED");
2271
2272         char*c1 = 1 + sizeof(tab1) + (char*)tab1;
2273         char*c2 = 1 + sizeof(tab2) + (char*)tab2;
2274         printf("%s ", bad_ptr == c1 ? "PASSED" : "FAILED");
2275         printf("%s ", bad_ptr == c2 ? "PASSED" : "FAILED");
2276
2277         int *i1 = tab1[-1];
2278         int *i2 = tab2[-1];
2279         printf("%s ", bad_ptr == i1 ? "PASSED" : "FAILED");
2280         printf("%s ", bad_ptr == i2 ? "PASSED" : "FAILED");
2281
2282         int *x1 = tab1[size1 * size2 + 1];
2283         int *x2 = tab2[10 + 1];
2284         printf("%s ", bad_ptr == x1 ? "PASSED" : "FAILED");
2285         printf("%s ", bad_ptr == x2 ? "PASSED" : "FAILED");
2286     } else {
2287         printf("PASSED PASSED PASSED PASSED PASSED PASSED PASSED PASSED ");
2288     }
2289     printf("\n");
2290 #endif
2291 }
2292
2293 typedef __SIZE_TYPE__ uintptr_t;
2294
2295 void sizeof_test(void)
2296 {
2297     int a;
2298     int **ptr;
2299
2300     printf("sizeof(int) = %d\n", sizeof(int));
2301     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
2302     printf("sizeof(long) = %d\n", sizeof(long));
2303     printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
2304     printf("sizeof(short) = %d\n", sizeof(short));
2305     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
2306     printf("sizeof(char) = %d\n", sizeof(char));
2307     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
2308     printf("sizeof(func) = %d\n", sizeof sizeof_test());
2309     a = 1;
2310     printf("sizeof(a++) = %d\n", sizeof a++);
2311     printf("a=%d\n", a);
2312     ptr = NULL;
2313     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
2314
2315     /* The type of sizeof should be as large as a pointer, actually
2316        it should be size_t.  */
2317     printf("sizeof(sizeof(int) = %d\n", sizeof(sizeof(int)));
2318     uintptr_t t = 1;
2319     uintptr_t t2;
2320     /* Effectively <<32, but defined also on 32bit machines.  */
2321     t <<= 16;
2322     t <<= 16;
2323     t++;
2324     /* This checks that sizeof really can be used to manipulate
2325        uintptr_t objects, without truncation.  */
2326     t2 = t & -sizeof(uintptr_t);
2327     printf ("%lu %lu\n", t, t2);
2328
2329     /* some alignof tests */
2330     printf("__alignof__(int) = %d\n", __alignof__(int));
2331     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
2332     printf("__alignof__(short) = %d\n", __alignof__(short));
2333     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
2334     printf("__alignof__(char) = %d\n", __alignof__(char));
2335     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
2336     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
2337 }
2338
2339 void typeof_test(void)
2340 {
2341     double a;
2342     typeof(a) b;
2343     typeof(float) c;
2344
2345     a = 1.5;
2346     b = 2.5;
2347     c = 3.5;
2348     printf("a=%f b=%f c=%f\n", a, b, c);
2349 }
2350
2351 void statement_expr_test(void)
2352 {
2353     int a, i;
2354
2355     a = 0;
2356     for(i=0;i<10;i++) {
2357         a += 1 +
2358             ( { int b, j;
2359                 b = 0;
2360                 for(j=0;j<5;j++)
2361                     b += j; b;
2362             } );
2363     }
2364     printf("a=%d\n", a);
2365
2366 }
2367
2368 void local_label_test(void)
2369 {
2370     int a;
2371     goto l1;
2372  l2:
2373     a = 1 + ({
2374         __label__ l1, l2, l3, l4;
2375         goto l1;
2376     l4:
2377         printf("aa1\n");
2378         goto l3;
2379     l2:
2380         printf("aa3\n");
2381         goto l4;
2382     l1:
2383         printf("aa2\n");
2384         goto l2;
2385     l3:;
2386         1;
2387     });
2388     printf("a=%d\n", a);
2389     return;
2390  l4:
2391     printf("bb1\n");
2392     goto l2;
2393  l1:
2394     printf("bb2\n");
2395     goto l4;
2396 }
2397
2398 /* inline assembler test */
2399 #ifdef __i386__
2400
2401 /* from linux kernel */
2402 static char * strncat1(char * dest,const char * src,size_t count)
2403 {
2404 int d0, d1, d2, d3;
2405 __asm__ __volatile__(
2406         "repne\n\t"
2407         "scasb\n\t"
2408         "decl %1\n\t"
2409         "movl %8,%3\n"
2410         "1:\tdecl %3\n\t"
2411         "js 2f\n\t"
2412         "lodsb\n\t"
2413         "stosb\n\t"
2414         "testb %%al,%%al\n\t"
2415         "jne 1b\n"
2416         "2:\txorl %2,%2\n\t"
2417         "stosb"
2418         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2419         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2420         : "memory");
2421 return dest;
2422 }
2423
2424 static char * strncat2(char * dest,const char * src,size_t count)
2425 {
2426 int d0, d1, d2, d3;
2427 __asm__ __volatile__(
2428         "repne scasb\n\t" /* one-line repne prefix + string op */
2429         "decl %1\n\t"
2430         "movl %8,%3\n"
2431         "1:\tdecl %3\n\t"
2432         "js 2f\n\t"
2433         "lodsb\n\t"
2434         "stosb\n\t"
2435         "testb %%al,%%al\n\t"
2436         "jne 1b\n"
2437         "2:\txorl %2,%2\n\t"
2438         "stosb"
2439         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2440         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2441         : "memory");
2442 return dest;
2443 }
2444
2445 static inline void * memcpy1(void * to, const void * from, size_t n)
2446 {
2447 int d0, d1, d2;
2448 __asm__ __volatile__(
2449         "rep ; movsl\n\t"
2450         "testb $2,%b4\n\t"
2451         "je 1f\n\t"
2452         "movsw\n"
2453         "1:\ttestb $1,%b4\n\t"
2454         "je 2f\n\t"
2455         "movsb\n"
2456         "2:"
2457         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2458         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2459         : "memory");
2460 return (to);
2461 }
2462
2463 static inline void * memcpy2(void * to, const void * from, size_t n)
2464 {
2465 int d0, d1, d2;
2466 __asm__ __volatile__(
2467         "rep movsl\n\t"  /* one-line rep prefix + string op */
2468         "testb $2,%b4\n\t"
2469         "je 1f\n\t"
2470         "movsw\n"
2471         "1:\ttestb $1,%b4\n\t"
2472         "je 2f\n\t"
2473         "movsb\n"
2474         "2:"
2475         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2476         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2477         : "memory");
2478 return (to);
2479 }
2480
2481 static __inline__ void sigaddset1(unsigned int *set, int _sig)
2482 {
2483         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2484 }
2485
2486 static __inline__ void sigdelset1(unsigned int *set, int _sig)
2487 {
2488         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2489 }
2490
2491 static __inline__ __const__ unsigned int swab32(unsigned int x)
2492 {
2493         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
2494                 "rorl $16,%0\n\t"       /* swap words           */
2495                 "xchgb %b0,%h0"         /* swap higher bytes    */
2496                 :"=q" (x)
2497                 : "0" (x));
2498         return x;
2499 }
2500
2501 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
2502 {
2503     unsigned long long res;
2504     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
2505     return res;
2506 }
2507
2508 static __inline__ unsigned long long inc64(unsigned long long a)
2509 {
2510     unsigned long long res;
2511     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
2512     return res;
2513 }
2514
2515 unsigned int set;
2516
2517 void asm_test(void)
2518 {
2519     char buf[128];
2520     unsigned int val;
2521
2522     printf("inline asm:\n");
2523     /* test the no operand case */
2524     asm volatile ("xorl %eax, %eax");
2525
2526     memcpy1(buf, "hello", 6);
2527     strncat1(buf, " worldXXXXX", 3);
2528     printf("%s\n", buf);
2529
2530     memcpy2(buf, "hello", 6);
2531     strncat2(buf, " worldXXXXX", 3);
2532     printf("%s\n", buf);
2533
2534     /* 'A' constraint test */
2535     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
2536     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
2537
2538     set = 0xff;
2539     sigdelset1(&set, 2);
2540     sigaddset1(&set, 16);
2541     /* NOTE: we test here if C labels are correctly restored after the
2542        asm statement */
2543     goto label1;
2544  label2:
2545     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
2546 #ifdef __GNUC__ // works strange with GCC 4.3
2547     set=0x1080fd;
2548 #endif
2549     printf("set=0x%x\n", set);
2550     val = 0x01020304;
2551     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
2552     return;
2553  label1:
2554     goto label2;
2555 }
2556
2557 #else
2558
2559 void asm_test(void)
2560 {
2561 }
2562
2563 #endif
2564
2565 #define COMPAT_TYPE(type1, type2) \
2566 {\
2567     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
2568            __builtin_types_compatible_p (type1, type2));\
2569 }
2570
2571 int constant_p_var;
2572
2573 void builtin_test(void)
2574 {
2575 #if GCC_MAJOR >= 3
2576     COMPAT_TYPE(int, int);
2577     COMPAT_TYPE(int, unsigned int);
2578     COMPAT_TYPE(int, char);
2579     COMPAT_TYPE(int, const int);
2580     COMPAT_TYPE(int, volatile int);
2581     COMPAT_TYPE(int *, int *);
2582     COMPAT_TYPE(int *, void *);
2583     COMPAT_TYPE(int *, const int *);
2584     COMPAT_TYPE(char *, unsigned char *);
2585 /* space is needed because tcc preprocessor introduces a space between each token */
2586     COMPAT_TYPE(char * *, void *);
2587 #endif
2588     printf("res = %d\n", __builtin_constant_p(1));
2589     printf("res = %d\n", __builtin_constant_p(1 + 2));
2590     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
2591     printf("res = %d\n", __builtin_constant_p(constant_p_var));
2592 }
2593
2594 #ifndef _WIN32
2595 extern int __attribute__((weak)) weak_f1(void);
2596 extern int __attribute__((weak)) weak_f2(void);
2597 extern int                       weak_f3(void);
2598 extern int __attribute__((weak)) weak_v1;
2599 extern int __attribute__((weak)) weak_v2;
2600 extern int                       weak_v3;
2601
2602 extern int                           (*weak_fpa)() __attribute__((weak));
2603 extern int __attribute__((weak))     (*weak_fpb)();
2604 extern     __attribute__((weak)) int (*weak_fpc)();
2605
2606 extern int                     weak_asm_f1(void) asm("weak_asm_f1x") __attribute((weak));
2607 extern int __attribute((weak)) weak_asm_f2(void) asm("weak_asm_f2x")                    ;
2608 extern int __attribute((weak)) weak_asm_f3(void) asm("weak_asm_f3x") __attribute((weak));
2609 extern int                     weak_asm_v1       asm("weak_asm_v1x") __attribute((weak));
2610 extern int __attribute((weak)) weak_asm_v2       asm("weak_asm_v2x")                    ;
2611 extern int __attribute((weak)) weak_asm_v3(void) asm("weak_asm_v3x") __attribute((weak));
2612
2613 static const size_t dummy = 0;
2614 extern __typeof(dummy) weak_dummy1 __attribute__((weak, alias("dummy")));
2615 extern __typeof(dummy) __attribute__((weak, alias("dummy"))) weak_dummy2;
2616 extern __attribute__((weak, alias("dummy"))) __typeof(dummy) weak_dummy3;
2617
2618 int some_lib_func(void);
2619 int dummy_impl_of_slf(void) { return 444; }
2620 int some_lib_func(void) __attribute__((weak, alias("dummy_impl_of_slf")));
2621
2622 int weak_toolate() __attribute__((weak));
2623 int weak_toolate() { return 0; }
2624
2625 void __attribute__((weak)) weak_test(void)
2626 {
2627         printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
2628         printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
2629         printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
2630         printf("weak_v1=%d\n",&weak_v1 ? weak_v1   : 123);
2631         printf("weak_v2=%d\n",&weak_v2 ? weak_v2   : 123);
2632         printf("weak_v3=%d\n",&weak_v3 ? weak_v3   : 123);
2633
2634         printf("weak_fpa=%d\n",&weak_fpa ? weak_fpa() : 123);
2635         printf("weak_fpb=%d\n",&weak_fpb ? weak_fpb() : 123);
2636         printf("weak_fpc=%d\n",&weak_fpc ? weak_fpc() : 123);
2637
2638         printf("weak_asm_f1=%d\n", weak_asm_f1 != NULL);
2639         printf("weak_asm_f2=%d\n", weak_asm_f2 != NULL);
2640         printf("weak_asm_f3=%d\n", weak_asm_f3 != NULL);
2641         printf("weak_asm_v1=%d\n",&weak_asm_v1 != NULL);
2642         printf("weak_asm_v2=%d\n",&weak_asm_v2 != NULL);
2643         printf("weak_asm_v3=%d\n",&weak_asm_v3 != NULL);
2644 }
2645
2646 int __attribute__((weak)) weak_f2() { return 222; }
2647 int __attribute__((weak)) weak_f3() { return 333; }
2648 int __attribute__((weak)) weak_v2 = 222;
2649 int __attribute__((weak)) weak_v3 = 333;
2650 #endif
2651
2652 void const_func(const int a)
2653 {
2654 }
2655
2656 void const_warn_test(void)
2657 {
2658     const_func(1);
2659 }
2660
2661 struct condstruct {
2662   int i;
2663 };
2664
2665 int getme (struct condstruct *s, int i)
2666 {
2667   int i1 = (i == 0 ? 0 : s)->i;
2668   int i2 = (i == 0 ? s : 0)->i;
2669   int i3 = (i == 0 ? (void*)0 : s)->i;
2670   int i4 = (i == 0 ? s : (void*)0)->i;
2671   return i1 + i2 + i3 + i4;
2672 }
2673
2674 struct global_data
2675 {
2676   int a[40];
2677   int *b[40];
2678 };
2679
2680 struct global_data global_data;
2681
2682 int global_data_getstuff (int *, int);
2683
2684 void global_data_callit (int i)
2685 {
2686   *global_data.b[i] = global_data_getstuff (global_data.b[i], 1);
2687 }
2688
2689 int global_data_getstuff (int *p, int i)
2690 {
2691   return *p + i;
2692 }
2693
2694 void global_data_test (void)
2695 {
2696   global_data.a[0] = 42;
2697   global_data.b[0] = &global_data.a[0];
2698   global_data_callit (0);
2699   printf ("%d\n", global_data.a[0]);
2700 }
2701
2702 struct cmpcmpS
2703 {
2704   unsigned char fill : 3;
2705   unsigned char b1 : 1;
2706   unsigned char b2 : 1;
2707   unsigned char fill2 : 3;
2708 };
2709
2710 int glob1, glob2, glob3;
2711
2712 void compare_comparisons (struct cmpcmpS *s)
2713 {
2714   if (s->b1 != (glob1 == glob2)
2715       || (s->b2 != (glob1 == glob3)))
2716     printf ("comparing comparisons broken\n");
2717 }
2718
2719 void cmp_comparison_test(void)
2720 {
2721   struct cmpcmpS s;
2722   s.b1 = 1;
2723   glob1 = 42; glob2 = 42;
2724   s.b2 = 0;
2725   glob3 = 43;
2726   compare_comparisons (&s);
2727 }
2728
2729 int fcompare (double a, double b, int code)
2730 {
2731   switch (code) {
2732     case 0: return a == b;
2733     case 1: return a != b;
2734     case 2: return a < b;
2735     case 3: return a >= b;
2736     case 4: return a > b;
2737     case 5: return a <= b;
2738   }
2739 }
2740
2741 void math_cmp_test(void)
2742 {
2743   double nan = 0.0/0.0;
2744   double one = 1.0;
2745   double two = 2.0;
2746   int comp = 0;
2747 #define bug(a,b,op,iop,part) printf("Test broken: %s %s %s %s %d\n", #a, #b, #op, #iop, part)
2748
2749   /* This asserts that "a op b" is _not_ true, but "a iop b" is true.
2750      And it does this in various ways so that all code generation paths
2751      are checked (generating inverted tests, or non-inverted tests, or
2752      producing a 0/1 value without jumps (that's done in the fcompare
2753      function).  */
2754 #define FCMP(a,b,op,iop,code) \
2755   if (fcompare (a,b,code))    \
2756     bug (a,b,op,iop,1); \
2757   if (a op b) \
2758     bug (a,b,op,iop,2); \
2759   if (a iop b) \
2760     ; \
2761   else \
2762     bug (a,b,op,iop,3); \
2763   if ((a op b) || comp) \
2764     bug (a,b,op,iop,4); \
2765   if ((a iop b) || comp) \
2766     ; \
2767   else \
2768     bug (a,b,op,iop,5);
2769
2770   /* Equality tests.  */
2771   FCMP(nan, nan, ==, !=, 0);
2772   FCMP(one, two, ==, !=, 0);
2773   FCMP(one, one, !=, ==, 1);
2774   /* Non-equality is a bit special.  */
2775   if (!fcompare (nan, nan, 1))
2776     bug (nan, nan, !=, ==, 6);
2777
2778   /* Relational tests on numbers.  */
2779   FCMP(two, one, <, >=, 2);
2780   FCMP(one, two, >=, <, 3);
2781   FCMP(one, two, >, <=, 4);
2782   FCMP(two, one, <=, >, 5);
2783
2784   /* Relational tests on NaNs.  Note that the inverse op here is
2785      always !=, there's no operator in C that is equivalent to !(a < b),
2786      when NaNs are involved, same for the other relational ops.  */
2787   FCMP(nan, nan, <, !=, 2);
2788   FCMP(nan, nan, >=, !=, 3);
2789   FCMP(nan, nan, >, !=, 4);
2790   FCMP(nan, nan, <=, !=, 5);
2791 }
2792
2793 double get100 () { return 100.0; }
2794
2795 void callsave_test(void)
2796 {
2797 #if defined __i386__ || defined __x86_64__ || defined __arm__
2798   int i, s; double *d; double t;
2799   s = sizeof (double);
2800   printf ("callsavetest: %d\n", s);
2801   d = alloca (sizeof(double));
2802   d[0] = 10.0;
2803   /* x86-64 had a bug were the next call to get100 would evict
2804      the lvalue &d[0] as VT_LLOCAL, and the reload would be done
2805      in int type, not pointer type.  When alloca returns a pointer
2806      with the high 32 bit set (which is likely on x86-64) the access
2807      generates a segfault.  */
2808   i = d[0] > get100 ();
2809   printf ("%d\n", i);
2810 #endif
2811 }
2812
2813
2814 void bfa3(ptrdiff_t str_offset)
2815 {
2816     printf("bfa3: %s\n", (char *)__builtin_frame_address(3) + str_offset);
2817 }
2818 void bfa2(ptrdiff_t str_offset)
2819 {
2820     printf("bfa2: %s\n", (char *)__builtin_frame_address(2) + str_offset);
2821     bfa3(str_offset);
2822 }
2823 void bfa1(ptrdiff_t str_offset)
2824 {
2825     printf("bfa1: %s\n", (char *)__builtin_frame_address(1) + str_offset);
2826     bfa2(str_offset);
2827 }
2828
2829 void builtin_frame_address_test(void)
2830 {
2831 /* builtin_frame_address fails on ARM with gcc which make test3 fail */
2832 #ifndef __arm__
2833     char str[] = "__builtin_frame_address";
2834     char *fp0 = __builtin_frame_address(0);
2835
2836     printf("str: %s\n", str);
2837     bfa1(str-fp0);
2838 #endif
2839 }