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 void attrib_test(void);
 112
 113 int fib(int n);
 114 void num(int n);
 115 void forward_ref(void);
 116 int isid(int c);
 117
 118 /* Line joining happens before tokenization, so the following
 119    must be parsed as ellipsis.  */
 120 void funny_line_continuation (int, ..\
 121 . );
 122
 123 char via_volatile (char);
 124
 125 #define A 2
 126 #define N 1234 + A
 127 #define pf printf
 128 #define M1(a, b)  (a) + (b)
 129
 130 #define str\
 131 (s) # s
 132 #define glue(a, b) a ## b
 133 #define xglue(a, b) glue(a, b)
 134 #define HIGHLOW "hello"
 135 #define LOW LOW ", world"
 136
 137 static int onetwothree = 123;
 138 #define onetwothree4 onetwothree
 139 #define onetwothree xglue(onetwothree,4)
 140
 141 #define min(a, b) ((a) < (b) ? (a) : (b))
 142
 143 #ifdef C99_MACROS
 144 #define dprintf(level,...) printf(__VA_ARGS__)
 145 #endif
 146
 147 /* gcc vararg macros */
 148 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
 149
 150 #define MACRO_NOARGS()
 151
 152 #define AAA 3
 153 #undef AAA
 154 #define AAA 4
 155
 156 #if 1
 157 #define B3 1
 158 #elif 1
 159 #define B3 2
 160 #elif 0
 161 #define B3 3
 162 #else
 163 #define B3 4
 164 #endif
 165
 166 #define __INT64_C(c)    c ## LL
 167 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 168
 169 int qq(int x)
 170 {
 171     return x + 40;
 172 }
 173 #define qq(x) x
 174
 175 #define spin_lock(lock) do { } while (0)
 176 #define wq_spin_lock spin_lock
 177 #define TEST2() wq_spin_lock(a)
 178
 179 #define UINT_MAX ((unsigned) -1)
 180
 181 void intdiv_test(void)
 182 {
 183     printf("18/21=%u\n", 18/21);
 184     printf("18%%21=%u\n", 18%21);
 185     printf("41/21=%u\n", 41/21);
 186     printf("41%%21=%u\n", 41%21);
 187     printf("42/21=%u\n", 42/21);
 188     printf("42%%21=%u\n", 42%21);
 189     printf("43/21=%u\n", 43/21);
 190     printf("43%%21=%u\n", 43%21);
 191     printf("126/21=%u\n", 126/21);
 192     printf("126%%21=%u\n", 126%21);
 193     printf("131/21=%u\n", 131/21);
 194     printf("131%%21=%u\n", 131%21);
 195     printf("(UINT_MAX/2+3)/2=%u\n", (UINT_MAX/2+3)/2);
 196     printf("(UINT_MAX/2+3)%%2=%u\n", (UINT_MAX/2+3)%2);
 197
 198     printf("18/-21=%u\n", 18/-21);
 199     printf("18%%-21=%u\n", 18%-21);
 200     printf("41/-21=%u\n", 41/-21);
 201     printf("41%%-21=%u\n", 41%-21);
 202     printf("42/-21=%u\n", 42/-21);
 203     printf("42%%-21=%u\n", 42%-21);
 204     printf("43/-21=%u\n", 43/-21);
 205     printf("43%%-21=%u\n", 43%-21);
 206     printf("126/-21=%u\n", 126/-21);
 207     printf("126%%-21=%u\n", 126%-21);
 208     printf("131/-21=%u\n", 131/-21);
 209     printf("131%%-21=%u\n", 131%-21);
 210     printf("(UINT_MAX/2+3)/-2=%u\n", (UINT_MAX/2+3)/-2);
 211     printf("(UINT_MAX/2+3)%%-2=%u\n", (UINT_MAX/2+3)%-2);
 212
 213     printf("-18/21=%u\n", -18/21);
 214     printf("-18%%21=%u\n", -18%21);
 215     printf("-41/21=%u\n", -41/21);
 216     printf("-41%%21=%u\n", -41%21);
 217     printf("-42/21=%u\n", -42/21);
 218     printf("-42%%21=%u\n", -42%21);
 219     printf("-43/21=%u\n", -43/21);
 220     printf("-43%%21=%u\n", -43%21);
 221     printf("-126/21=%u\n", -126/21);
 222     printf("-126%%21=%u\n", -126%21);
 223     printf("-131/21=%u\n", -131/21);
 224     printf("-131%%21=%u\n", -131%21);
 225     printf("-(UINT_MAX/2+3)/2=%u\n", (0-(UINT_MAX/2+3))/2);
 226     printf("-(UINT_MAX/2+3)%%2=%u\n", (0-(UINT_MAX/2+3))%2);
 227
 228     printf("-18/-21=%u\n", -18/-21);
 229     printf("-18%%-21=%u\n", -18%-21);
 230     printf("-41/-21=%u\n", -41/-21);
 231     printf("-41%%-21=%u\n", -41%-21);
 232     printf("-42/-21=%u\n", -42/-21);
 233     printf("-42%%-21=%u\n", -42%-21);
 234     printf("-43/-21=%u\n", -43/-21);
 235     printf("-43%%-21=%u\n", -43%-21);
 236     printf("-126/-21=%u\n", -126/-21);
 237     printf("-126%%-21=%u\n", -126%-21);
 238     printf("-131/-21=%u\n", -131/-21);
 239     printf("-131%%-21=%u\n", -131%-21);
 240     printf("-(UINT_MAX/2+3)/-2=%u\n", (0-(UINT_MAX/2+3))/-2);
 241     printf("-(UINT_MAX/2+3)%%-2=%u\n", (0-(UINT_MAX/2+3))%-2);
 242 }
 243
 244 void macro_test(void)
 245 {
 246     printf("macro:\n");\f\v
 247     pf("N=%d\n", N);
 248     printf("aaa=%d\n", AAA);
 249
 250     printf("min=%d\n", min(1, min(2, -1)));
 251
 252     printf("s1=%s\n", glue(HIGH, LOW));
 253     printf("s2=%s\n", xglue(HIGH, LOW));
 254     printf("s3=%s\n", str("c"));
 255     printf("s4=%s\n", str(a1));
 256     printf("B3=%d\n", B3);
 257
 258     printf("onetwothree=%d\n", onetwothree);
 259
 260 #ifdef A
 261     printf("A defined\n");
 262 #endif
 263 #ifdef B
 264     printf("B defined\n");
 265 #endif
 266 #ifdef A
 267     printf("A defined\n");
 268 #else
 269     printf("A not defined\n");
 270 #endif
 271 #ifdef B
 272     printf("B defined\n");
 273 #else
 274     printf("B not defined\n");
 275 #endif
 276
 277 #ifdef A
 278     printf("A defined\n");
 279 #ifdef B
 280     printf("B1 defined\n");
 281 #else
 282     printf("B1 not defined\n");
 283 #endif
 284 #else
 285     printf("A not defined\n");
 286 #ifdef B
 287     printf("B2 defined\n");
 288 #else
 289     printf("B2 not defined\n");
 290 #endif
 291 #endif
 292
 293 #if 1+1
 294     printf("test true1\n");
 295 #endif
 296 #if 0
 297     printf("test true2\n");
 298 #endif
 299 #if 1-1
 300     printf("test true3\n");
 301 #endif
 302 #if defined(A)
 303     printf("test trueA\n");
 304 #endif
 305 #if defined(B)
 306     printf("test trueB\n");
 307 #endif
 308
 309 #if 0
 310     printf("test 0\n");
 311 #elif 0
 312     printf("test 1\n");
 313 #elif 2
 314     printf("test 2\n");
 315 #else
 316     printf("test 3\n");
 317 #endif
 318
 319     MACRO_NOARGS();
 320
 321 #ifdef __LINE__
 322     printf("__LINE__ defined\n");
 323 #endif
 324
 325     printf("__LINE__=%d __FILE__=%s\n",
 326            __LINE__, __FILE__);
 327 #if 0
 328 #line 200
 329     printf("__LINE__=%d __FILE__=%s\n",
 330            __LINE__, __FILE__);
 331 #line 203 "test"
 332     printf("__LINE__=%d __FILE__=%s\n",
 333            __LINE__, __FILE__);
 334 #line 227 "tcctest.c"
 335 #endif
 336
 337     /* not strictly preprocessor, but we test it there */
 338 #ifdef C99_MACROS
 339     printf("__func__ = %s\n", __func__);
 340     dprintf(1, "vaarg=%d\n", 1);
 341 #endif
 342     dprintf1(1, "vaarg1\n");
 343     dprintf1(1, "vaarg1=%d\n", 2);
 344     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 345
 346     /* gcc extension */
 347     printf("func='%s'\n", __FUNCTION__);
 348
 349     /* complicated macros in glibc */
 350     printf("INT64_MIN=" LONG_LONG_FORMAT "\n", INT64_MIN);
 351     {
 352         int a;
 353         a = 1;
 354         glue(a+, +);
 355         printf("a=%d\n", a);
 356         glue(a <, <= 2);
 357         printf("a=%d\n", a);
 358     }
 359
 360     /* macro function with argument outside the macro string */
 361 #define MF_s MF_hello
 362 #define MF_hello(msg) printf("%s\n",msg)
 363
 364 #define MF_t printf("tralala\n"); MF_hello
 365
 366     MF_s("hi");
 367     MF_t("hi");
 368
 369     /* test macro substituion inside args (should not eat stream) */
 370     printf("qq=%d\n", qq(qq)(2));
 371
 372     /* test zero argument case. NOTE: gcc 2.95.x does not accept a
 373        null argument without a space. gcc 3.2 fixes that. */
 374
 375 #define qq1(x) 1
 376     printf("qq1=%d\n", qq1( ));
 377
 378     /* comment with stray handling *\
 379 /
 380        /* this is a valid *\/ comment */
 381        /* this is a valid comment *\*/
 382     //  this is a valid\
 383 comment
 384
 385     /* test function macro substitution when the function name is
 386        substituted */
 387     TEST2();
 388
 389     /* And again when the name and parenthes are separated by a
 390        comment.  */
 391     TEST2 /* the comment */ ();
 392 }
 393
 394
 395 static void print_num(char *fn, int line, int num) {
 396     printf("fn %s, line %d, num %d\n", fn, line, num);
 397 }
 398
 399 void recursive_macro_test(void)
 400 {
 401
 402 #define ELF32_ST_TYPE(val)              ((val) & 0xf)
 403 #define ELF32_ST_INFO(bind, type)       (((bind) << 4) + ((type) & 0xf))
 404 #define STB_WEAK        2               /* Weak symbol */
 405 #define ELFW(type) ELF##32##_##type
 406     printf("%d\n", ELFW(ST_INFO)(STB_WEAK, ELFW(ST_TYPE)(123)));
 407
 408 #define WRAP(x) x
 409
 410 #define print_num(x) print_num(__FILE__,__LINE__,x)
 411     print_num(123);
 412     WRAP(print_num(123));
 413     WRAP(WRAP(print_num(123)));
 414
 415 static struct recursive_macro { int rm_field; } G;
 416 #define rm_field (G.rm_field)
 417     printf("rm_field = %d\n", rm_field);
 418     printf("rm_field = %d\n", WRAP(rm_field));
 419     WRAP((printf("rm_field = %d %d\n", rm_field, WRAP(rm_field))));
 420 }
 421
 422 int op(a,b)
 423 {
 424     return a / b;
 425 }
 426
 427 int ret(a)
 428 {
 429     if (a == 2)
 430         return 1;
 431     if (a == 3)
 432         return 2;
 433     return 0;
 434 }
 435
 436 void ps(const char *s)
 437 {
 438     int c;
 439     while (1) {
 440         c = *s;
 441         if (c == 0)
 442             break;
 443         printf("%c", c);
 444         s++;
 445     }
 446 }
 447
 448 const char foo1_string[] = "\
 449 bar\n\
 450 test\14\
 451 1";
 452
 453 void string_test()
 454 {
 455     unsigned int b;
 456     printf("string:\n");
 457     printf("\141\1423\143\n");/* dezdez test */
 458     printf("\x41\x42\x43\x3a\n");
 459     printf("c=%c\n", 'r');
 460     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 461     printf("foo1_string='%s'\n", foo1_string);
 462 #if 0
 463     printf("wstring=%S\n", L"abc");
 464     printf("wstring=%S\n", L"abc" L"def" "ghi");
 465     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 466     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 467 #endif
 468     ps("test\n");
 469     b = 32;
 470     while ((b = b + 1) < 96) {
 471         printf("%c", b);
 472     }
 473     printf("\n");
 474     printf("fib=%d\n", fib(33));
 475     b = 262144;
 476     while (b != 0x80000000) {
 477         num(b);
 478         b = b * 2;
 479     }
 480 }
 481
 482 void loop_test()
 483 {
 484     int i;
 485     i = 0;
 486     while (i < 10)
 487         printf("%d", i++);
 488     printf("\n");
 489     for(i = 0; i < 10;i++)
 490         printf("%d", i);
 491     printf("\n");
 492     i = 0;
 493     do {
 494         printf("%d", i++);
 495     } while (i < 10);
 496     printf("\n");
 497
 498     char count = 123;
 499     /* c99 for loop init test */
 500     for (size_t count = 1; count < 3; count++)
 501         printf("count=%d\n", count);
 502     printf("count = %d\n", count);
 503
 504     /* break/continue tests */
 505     i = 0;
 506     while (1) {
 507         if (i == 6)
 508             break;
 509         i++;
 510         if (i == 3)
 511             continue;
 512         printf("%d", i);
 513     }
 514     printf("\n");
 515
 516     /* break/continue tests */
 517     i = 0;
 518     do {
 519         if (i == 6)
 520             break;
 521         i++;
 522         if (i == 3)
 523             continue;
 524         printf("%d", i);
 525     } while(1);
 526     printf("\n");
 527
 528     for(i = 0;i < 10;i++) {
 529         if (i == 3)
 530             continue;
 531         printf("%d", i);
 532     }
 533     printf("\n");
 534 }
 535
 536 typedef int typedef_and_label;
 537
 538 void goto_test()
 539 {
 540     int i;
 541     static void *label_table[3] = { &&label1, &&label2, &&label3 };
 542
 543     printf("goto:\n");
 544     i = 0;
 545     /* This needs to parse as label, not as start of decl.  */
 546  typedef_and_label:
 547  s_loop:
 548     if (i >= 10)
 549         goto s_end;
 550     printf("%d", i);
 551     i++;
 552     goto s_loop;
 553  s_end:
 554     printf("\n");
 555
 556     /* we also test computed gotos (GCC extension) */
 557     for(i=0;i<3;i++) {
 558         goto *label_table[i];
 559     label1:
 560         printf("label1\n");
 561         goto next;
 562     label2:
 563         printf("label2\n");
 564         goto next;
 565     label3:
 566         printf("label3\n");
 567     next: ;
 568     }
 569 }
 570
 571 enum {
 572     E0,
 573     E1 = 2,
 574     E2 = 4,
 575     E3,
 576     E4,
 577 };
 578
 579 enum test {
 580     E5 = 1000,
 581 };
 582
 583 void enum_test()
 584 {
 585     enum test b1;
 586     printf("enum:\n%d %d %d %d %d %d\n",
 587            E0, E1, E2, E3, E4, E5);
 588     b1 = 1;
 589     printf("b1=%d\n", b1);
 590 }
 591
 592 typedef int *my_ptr;
 593
 594 typedef int mytype1;
 595 typedef int mytype2;
 596
 597 void typedef_test()
 598 {
 599     my_ptr a;
 600     mytype1 mytype2;
 601     int b;
 602
 603     a = &b;
 604     *a = 1234;
 605     printf("typedef:\n");
 606     printf("a=%d\n", *a);
 607     mytype2 = 2;
 608     printf("mytype2=%d\n", mytype2);
 609 }
 610
 611 void forward_test()
 612 {
 613     printf("forward:\n");
 614     forward_ref();
 615     forward_ref();
 616 }
 617
 618
 619 void forward_ref(void)
 620 {
 621     printf("forward ok\n");
 622 }
 623
 624 typedef struct struct1 {
 625     int f1;
 626     int f2, f3;
 627     union union1 {
 628         int v1;
 629         int v2;
 630     } u;
 631     char str[3];
 632 } struct1;
 633
 634 struct struct2 {
 635     int a;
 636     char b;
 637 };
 638
 639 union union2 {
 640     int w1;
 641     int w2;
 642 };
 643
 644 struct struct1 st1, st2;
 645
 646 struct empty_mem {
 647     /* nothing */ ;
 648     int x;
 649 };
 650
 651 int main(int argc, char **argv)
 652 {
 653     string_test();
 654     expr_test();
 655     macro_test();
 656     recursive_macro_test();
 657     scope_test();
 658     forward_test();
 659     funcptr_test();
 660     loop_test();
 661     switch_test();
 662     goto_test();
 663     enum_test();
 664     typedef_test();
 665     struct_test();
 666     array_test();
 667     expr_ptr_test();
 668     bool_test();
 669     expr2_test();
 670     constant_expr_test();
 671     expr_cmp_test();
 672     char_short_test();
 673     init_test();
 674     compound_literal_test();
 675     kr_test();
 676     struct_assign_test();
 677     cast_test();
 678     bitfield_test();
 679     c99_bool_test();
 680     float_test();
 681     longlong_test();
 682     manyarg_test();
 683     stdarg_test();
 684     whitespace_test();
 685     relocation_test();
 686     old_style_function();
 687     alloca_test();
 688     c99_vla_test(5, 2);
 689     sizeof_test();
 690     typeof_test();
 691     statement_expr_test();
 692     local_label_test();
 693     asm_test();
 694     builtin_test();
 695 #ifndef _WIN32
 696     weak_test();
 697 #endif
 698     global_data_test();
 699     cmp_comparison_test();
 700     math_cmp_test();
 701     callsave_test();
 702     builtin_frame_address_test();
 703     intdiv_test();
 704     if (via_volatile (42) != 42)
 705       printf ("via_volatile broken\n");
 706     attrib_test();
 707     return 0;
 708 }
 709
 710 int tab[3];
 711 int tab2[3][2];
 712
 713 int g;
 714
 715 void f1(g)
 716 {
 717     printf("g1=%d\n", g);
 718 }
 719
 720 void scope_test()
 721 {
 722     printf("scope:\n");
 723     g = 2;
 724     f1(1);
 725     printf("g2=%d\n", g);
 726     {
 727         int g;
 728         g = 3;
 729         printf("g3=%d\n", g);
 730         {
 731             int g;
 732             g = 4;
 733             printf("g4=%d\n", g);
 734         }
 735     }
 736     printf("g5=%d\n", g);
 737 }
 738
 739 void array_test()
 740 {
 741     int i, j, a[4];
 742
 743     printf("array:\n");
 744     printf("sizeof(a) = %d\n", sizeof(a));
 745     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 746 #ifdef C99_MACROS
 747     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 748 #endif
 749     printf("sizeof tab %d\n", sizeof(tab));
 750     printf("sizeof tab2 %d\n", sizeof tab2);
 751     tab[0] = 1;
 752     tab[1] = 2;
 753     tab[2] = 3;
 754     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 755     for(i=0;i<3;i++)
 756         for(j=0;j<2;j++)
 757             tab2[i][j] = 10 * i + j;
 758     for(i=0;i<3*2;i++) {
 759         printf(" %3d", ((int *)tab2)[i]);
 760     }
 761     printf("\n");
 762     printf("sizeof(size_t)=%d\n", sizeof(size_t));
 763     printf("sizeof(ptrdiff_t)=%d\n", sizeof(ptrdiff_t));
 764 }
 765
 766 void expr_test()
 767 {
 768     int a, b;
 769     a = 0;
 770     printf("%d\n", a += 1);
 771     printf("%d\n", a -= 2);
 772     printf("%d\n", a *= 31232132);
 773     printf("%d\n", a /= 4);
 774     printf("%d\n", a %= 20);
 775     printf("%d\n", a &= 6);
 776     printf("%d\n", a ^= 7);
 777     printf("%d\n", a |= 8);
 778     printf("%d\n", a >>= 3);
 779     printf("%d\n", a <<= 4);
 780
 781     a = 22321;
 782     b = -22321;
 783     printf("%d\n", a + 1);
 784     printf("%d\n", a - 2);
 785     printf("%d\n", a * 312);
 786     printf("%d\n", a / 4);
 787     printf("%d\n", b / 4);
 788     printf("%d\n", (unsigned)b / 4);
 789     printf("%d\n", a % 20);
 790     printf("%d\n", b % 20);
 791     printf("%d\n", (unsigned)b % 20);
 792     printf("%d\n", a & 6);
 793     printf("%d\n", a ^ 7);
 794     printf("%d\n", a | 8);
 795     printf("%d\n", a >> 3);
 796     printf("%d\n", b >> 3);
 797     printf("%d\n", (unsigned)b >> 3);
 798     printf("%d\n", a << 4);
 799     printf("%d\n", ~a);
 800     printf("%d\n", -a);
 801     printf("%d\n", +a);
 802
 803     printf("%d\n", 12 + 1);
 804     printf("%d\n", 12 - 2);
 805     printf("%d\n", 12 * 312);
 806     printf("%d\n", 12 / 4);
 807     printf("%d\n", 12 % 20);
 808     printf("%d\n", 12 & 6);
 809     printf("%d\n", 12 ^ 7);
 810     printf("%d\n", 12 | 8);
 811     printf("%d\n", 12 >> 2);
 812     printf("%d\n", 12 << 4);
 813     printf("%d\n", ~12);
 814     printf("%d\n", -12);
 815     printf("%d\n", +12);
 816     printf("%d %d %d %d\n",
 817            isid('a'),
 818            isid('g'),
 819            isid('T'),
 820            isid('('));
 821 }
 822
 823 int isid(int c)
 824 {
 825     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 826 }
 827
 828 /**********************/
 829
 830 int vstack[10], *vstack_ptr;
 831
 832 void vpush(int vt, int vc)
 833 {
 834     *vstack_ptr++ = vt;
 835     *vstack_ptr++ = vc;
 836 }
 837
 838 void vpop(int *ft, int *fc)
 839 {
 840     *fc = *--vstack_ptr;
 841     *ft = *--vstack_ptr;
 842 }
 843
 844 void expr2_test()
 845 {
 846     int a, b;
 847
 848     printf("expr2:\n");
 849     vstack_ptr = vstack;
 850     vpush(1432432, 2);
 851     vstack_ptr[-2] &= ~0xffffff80;
 852     vpop(&a, &b);
 853     printf("res= %d %d\n", a, b);
 854 }
 855
 856 void constant_expr_test()
 857 {
 858     int a;
 859     printf("constant_expr:\n");
 860     a = 3;
 861     printf("%d\n", a * 16);
 862     printf("%d\n", a * 1);
 863     printf("%d\n", a + 0);
 864 }
 865
 866 int tab4[10];
 867
 868 void expr_ptr_test()
 869 {
 870     int *p, *q;
 871     int i = -1;
 872
 873     printf("expr_ptr:\n");
 874     p = tab4;
 875     q = tab4 + 10;
 876     printf("diff=%d\n", q - p);
 877     p++;
 878     printf("inc=%d\n", p - tab4);
 879     p--;
 880     printf("dec=%d\n", p - tab4);
 881     ++p;
 882     printf("inc=%d\n", p - tab4);
 883     --p;
 884     printf("dec=%d\n", p - tab4);
 885     printf("add=%d\n", p + 3 - tab4);
 886     printf("add=%d\n", 3 + p - tab4);
 887
 888     /* check if 64bit support is ok */
 889     q = p = 0;
 890     q += i;
 891     printf("%p %p %ld\n", q, p, p-q);
 892     printf("%d %d %d %d %d %d\n",
 893            p == q, p != q, p < q, p <= q, p >= q, p > q);
 894     i = 0xf0000000;
 895     p += i;
 896     printf("%p %p %ld\n", q, p, p-q);
 897     printf("%d %d %d %d %d %d\n",
 898            p == q, p != q, p < q, p <= q, p >= q, p > q);
 899     p = (int *)((char *)p + 0xf0000000);
 900     printf("%p %p %ld\n", q, p, p-q);
 901     printf("%d %d %d %d %d %d\n",
 902            p == q, p != q, p < q, p <= q, p >= q, p > q);
 903     p += 0xf0000000;
 904     printf("%p %p %ld\n", q, p, p-q);
 905     printf("%d %d %d %d %d %d\n",
 906            p == q, p != q, p < q, p <= q, p >= q, p > q);
 907     {
 908         struct size12 {
 909             int i, j, k;
 910         };
 911         struct size12 s[2], *sp = s;
 912         int i, j;
 913         sp->i = 42;
 914         sp++;
 915         j = -1;
 916         printf("%d\n", sp[j].i);
 917     }
 918 }
 919
 920 void expr_cmp_test()
 921 {
 922     int a, b;
 923     printf("constant_expr:\n");
 924     a = -1;
 925     b = 1;
 926     printf("%d\n", a == a);
 927     printf("%d\n", a != a);
 928
 929     printf("%d\n", a < b);
 930     printf("%d\n", a <= b);
 931     printf("%d\n", a <= a);
 932     printf("%d\n", b >= a);
 933     printf("%d\n", a >= a);
 934     printf("%d\n", b > a);
 935
 936     printf("%d\n", (unsigned)a < b);
 937     printf("%d\n", (unsigned)a <= b);
 938     printf("%d\n", (unsigned)a <= a);
 939     printf("%d\n", (unsigned)b >= a);
 940     printf("%d\n", (unsigned)a >= a);
 941     printf("%d\n", (unsigned)b > a);
 942 }
 943
 944 struct empty {
 945 };
 946
 947 struct aligntest1 {
 948     char a[10];
 949 };
 950
 951 struct aligntest2 {
 952     int a;
 953     char b[10];
 954 };
 955
 956 struct aligntest3 {
 957     double a, b;
 958 };
 959
 960 struct aligntest4 {
 961     double a[0];
 962 };
 963
 964 void struct_test()
 965 {
 966     struct1 *s;
 967     union union2 u;
 968
 969     printf("struct:\n");
 970     printf("sizes: %d %d %d %d\n",
 971            sizeof(struct struct1),
 972            sizeof(struct struct2),
 973            sizeof(union union1),
 974            sizeof(union union2));
 975     st1.f1 = 1;
 976     st1.f2 = 2;
 977     st1.f3 = 3;
 978     printf("st1: %d %d %d\n",
 979            st1.f1, st1.f2, st1.f3);
 980     st1.u.v1 = 1;
 981     st1.u.v2 = 2;
 982     printf("union1: %d\n", st1.u.v1);
 983     u.w1 = 1;
 984     u.w2 = 2;
 985     printf("union2: %d\n", u.w1);
 986     s = &st2;
 987     s->f1 = 3;
 988     s->f2 = 2;
 989     s->f3 = 1;
 990     printf("st2: %d %d %d\n",
 991            s->f1, s->f2, s->f3);
 992     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 993
 994     /* align / size tests */
 995     printf("aligntest1 sizeof=%d alignof=%d\n",
 996            sizeof(struct aligntest1), __alignof__(struct aligntest1));
 997     printf("aligntest2 sizeof=%d alignof=%d\n",
 998            sizeof(struct aligntest2), __alignof__(struct aligntest2));
 999     printf("aligntest3 sizeof=%d alignof=%d\n",
1000            sizeof(struct aligntest3), __alignof__(struct aligntest3));
1001     printf("aligntest4 sizeof=%d alignof=%d\n",
1002            sizeof(struct aligntest4), __alignof__(struct aligntest4));
1003
1004     /* empty structures (GCC extension) */
1005     printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
1006     printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
1007 }
1008
1009 /* XXX: depend on endianness */
1010 void char_short_test()
1011 {
1012     int var1, var2;
1013
1014     printf("char_short:\n");
1015
1016     var1 = 0x01020304;
1017     var2 = 0xfffefdfc;
1018     printf("s8=%d %d\n",
1019            *(char *)&var1, *(char *)&var2);
1020     printf("u8=%d %d\n",
1021            *(unsigned char *)&var1, *(unsigned char *)&var2);
1022     printf("s16=%d %d\n",
1023            *(short *)&var1, *(short *)&var2);
1024     printf("u16=%d %d\n",
1025            *(unsigned short *)&var1, *(unsigned short *)&var2);
1026     printf("s32=%d %d\n",
1027            *(int *)&var1, *(int *)&var2);
1028     printf("u32=%d %d\n",
1029            *(unsigned int *)&var1, *(unsigned int *)&var2);
1030     *(char *)&var1 = 0x08;
1031     printf("var1=%x\n", var1);
1032     *(short *)&var1 = 0x0809;
1033     printf("var1=%x\n", var1);
1034     *(int *)&var1 = 0x08090a0b;
1035     printf("var1=%x\n", var1);
1036 }
1037
1038 /******************/
1039
1040 typedef struct Sym {
1041     int v;
1042     int t;
1043     int c;
1044     struct Sym *next;
1045     struct Sym *prev;
1046 } Sym;
1047
1048 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
1049 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
1050
1051 static int toupper1(int a)
1052 {
1053     return TOUPPER(a);
1054 }
1055
1056 void bool_test()
1057 {
1058     int *s, a, b, t, f, i;
1059
1060     a = 0;
1061     s = (void*)0;
1062     printf("!s=%d\n", !s);
1063
1064     if (!s || !s[0])
1065         a = 1;
1066     printf("a=%d\n", a);
1067
1068     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
1069     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
1070     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
1071 #if 1 && 1
1072     printf("a1\n");
1073 #endif
1074 #if 1 || 0
1075     printf("a2\n");
1076 #endif
1077 #if 1 ? 0 : 1
1078     printf("a3\n");
1079 #endif
1080 #if 0 ? 0 : 1
1081     printf("a4\n");
1082 #endif
1083
1084     a = 4;
1085     printf("b=%d\n", a + (0 ? 1 : a / 2));
1086
1087     /* test register spilling */
1088     a = 10;
1089     b = 10;
1090     a = (a + b) * ((a < b) ?
1091                    ((b - a) * (a - b)): a + b);
1092     printf("a=%d\n", a);
1093
1094     /* test complex || or && expressions */
1095     t = 1;
1096     f = 0;
1097     a = 32;
1098     printf("exp=%d\n", f == (32 <= a && a <= 3));
1099     printf("r=%d\n", (t || f) + (t && f));
1100
1101     /* test ? : cast */
1102     {
1103         int aspect_on;
1104         int aspect_native = 65536;
1105         double bfu_aspect = 1.0;
1106         int aspect;
1107         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
1108             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
1109             printf("aspect=%d\n", aspect);
1110         }
1111     }
1112
1113     /* test ? : GCC extension */
1114     {
1115         static int v1 = 34 ? : -1; /* constant case */
1116         static int v2 = 0 ? : -1; /* constant case */
1117         int a = 30;
1118
1119         printf("%d %d\n", v1, v2);
1120         printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
1121     }
1122
1123     /* again complex expression */
1124     for(i=0;i<256;i++) {
1125         if (toupper1 (i) != TOUPPER (i))
1126             printf("error %d\n", i);
1127     }
1128 }
1129
1130 /* GCC accepts that */
1131 static int tab_reinit[];
1132 static int tab_reinit[10];
1133
1134 //int cinit1; /* a global variable can be defined several times without error ! */
1135 int cinit1;
1136 int cinit1;
1137 int cinit1 = 0;
1138 int *cinit2 = (int []){3, 2, 1};
1139
1140 void compound_literal_test(void)
1141 {
1142     int *p, i;
1143     char *q, *q3;
1144
1145     printf("compound_test:\n");
1146
1147     p = (int []){1, 2, 3};
1148     for(i=0;i<3;i++)
1149         printf(" %d", p[i]);
1150     printf("\n");
1151
1152     for(i=0;i<3;i++)
1153         printf("%d", cinit2[i]);
1154     printf("\n");
1155
1156     q = "tralala1";
1157     printf("q1=%s\n", q);
1158
1159     q = (char *){ "tralala2" };
1160     printf("q2=%s\n", q);
1161
1162     q3 = (char *){ q };
1163     printf("q3=%s\n", q3);
1164
1165     q = (char []){ "tralala3" };
1166     printf("q4=%s\n", q);
1167
1168 #ifdef ALL_ISOC99
1169     p = (int []){1, 2, cinit1 + 3};
1170     for(i=0;i<3;i++)
1171         printf(" %d", p[i]);
1172     printf("\n");
1173
1174     for(i=0;i<3;i++) {
1175         p = (int []){1, 2, 4 + i};
1176         printf("%d %d %d\n",
1177                p[0],
1178                p[1],
1179                p[2]);
1180     }
1181 #endif
1182 }
1183
1184 /* K & R protos */
1185
1186 kr_func1(a, b)
1187 {
1188     return a + b;
1189 }
1190
1191 int kr_func2(a, b)
1192 {
1193     return a + b;
1194 }
1195
1196 kr_test()
1197 {
1198     printf("kr_test:\n");
1199     printf("func1=%d\n", kr_func1(3, 4));
1200     printf("func2=%d\n", kr_func2(3, 4));
1201     return 0;
1202 }
1203
1204 void num(int n)
1205 {
1206     char *tab, *p;
1207     tab = (char*)malloc(20);
1208     p = tab;
1209     while (1) {
1210         *p = 48 + (n % 10);
1211         p++;
1212         n = n / 10;
1213         if (n == 0)
1214             break;
1215     }
1216     while (p != tab) {
1217         p--;
1218         printf("%c", *p);
1219     }
1220     printf("\n");
1221     free(tab);
1222 }
1223
1224 /* structure assignment tests */
1225 struct structa1 {
1226     int f1;
1227     char f2;
1228 };
1229
1230 struct structa1 ssta1;
1231
1232 void struct_assign_test1(struct structa1 s1, int t, float f)
1233 {
1234     printf("%d %d %d %f\n", s1.f1, s1.f2, t, f);
1235 }
1236
1237 struct structa1 struct_assign_test2(struct structa1 s1, int t)
1238 {
1239     s1.f1 += t;
1240     s1.f2 -= t;
1241     return s1;
1242 }
1243
1244 void struct_assign_test(void)
1245 {
1246     struct S {
1247       struct structa1 lsta1, lsta2;
1248       int i;
1249     } s, *ps;
1250
1251     ps = &s;
1252     ps->i = 4;
1253 #if 0
1254     printf("struct_assign_test:\n");
1255
1256     s.lsta1.f1 = 1;
1257     s.lsta1.f2 = 2;
1258     printf("%d %d\n", s.lsta1.f1, s.lsta1.f2);
1259     s.lsta2 = s.lsta1;
1260     printf("%d %d\n", s.lsta2.f1, s.lsta2.f2);
1261 #else
1262     s.lsta2.f1 = 1;
1263     s.lsta2.f2 = 2;
1264 #endif
1265     struct_assign_test1(ps->lsta2, 3, 4.5);
1266
1267     printf("before call: %d %d\n", s.lsta2.f1, s.lsta2.f2);
1268     ps->lsta2 = struct_assign_test2(ps->lsta2, ps->i);
1269     printf("after call: %d %d\n", ps->lsta2.f1, ps->lsta2.f2);
1270
1271     static struct {
1272         void (*elem)();
1273     } t[] = {
1274         /* XXX: we should allow this even without braces */
1275         { struct_assign_test }
1276     };
1277     printf("%d\n", struct_assign_test == t[0].elem);
1278 }
1279
1280 /* casts to short/char */
1281
1282 void cast1(char a, short b, unsigned char c, unsigned short d)
1283 {
1284     printf("%d %d %d %d\n", a, b, c, d);
1285 }
1286
1287 char bcast;
1288 short scast;
1289
1290 void cast_test()
1291 {
1292     int a;
1293     char c;
1294     char tab[10];
1295     unsigned b,d;
1296     short s;
1297     char *p = NULL;
1298     p -= 0x700000000042;
1299
1300     printf("cast_test:\n");
1301     a = 0xfffff;
1302     cast1(a, a, a, a);
1303     a = 0xffffe;
1304     printf("%d %d %d %d\n",
1305            (char)(a + 1),
1306            (short)(a + 1),
1307            (unsigned char)(a + 1),
1308            (unsigned short)(a + 1));
1309     printf("%d %d %d %d\n",
1310            (char)0xfffff,
1311            (short)0xfffff,
1312            (unsigned char)0xfffff,
1313            (unsigned short)0xfffff);
1314
1315     a = (bcast = 128) + 1;
1316     printf("%d\n", a);
1317     a = (scast = 65536) + 1;
1318     printf("%d\n", a);
1319
1320     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
1321
1322     /* test cast from unsigned to signed short to int */
1323     b = 0xf000;
1324     d = (short)b;
1325     printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
1326     b = 0xf0f0;
1327     d = (char)b;
1328     printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
1329
1330     /* test implicit int casting for array accesses */
1331     c = 0;
1332     tab[1] = 2;
1333     tab[c] = 1;
1334     printf("%d %d\n", tab[0], tab[1]);
1335
1336     /* test implicit casting on some operators */
1337     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
1338     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
1339     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
1340
1341     /* from pointer to integer types */
1342     printf("%d %d %ld %ld %lld %lld\n",
1343            (int)p, (unsigned int)p,
1344            (long)p, (unsigned long)p,
1345            (long long)p, (unsigned long long)p);
1346
1347     /* from integers to pointers */
1348     printf("%p %p %p %p\n",
1349            (void *)a, (void *)b, (void *)c, (void *)d);
1350 }
1351
1352 /* initializers tests */
1353 struct structinit1 {
1354     int f1;
1355     char f2;
1356     short f3;
1357     int farray[3];
1358 };
1359
1360 int sinit1 = 2;
1361 int sinit2 = { 3 };
1362 int sinit3[3] = { 1, 2, {{3}}, };
1363 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1364 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1365 int sinit6[] = { 1, 2, 3 };
1366 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1367 char sinit8[] = "hello" "trala";
1368
1369 struct structinit1 sinit9 = { 1, 2, 3 };
1370 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1371 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1372 #ifdef ALL_ISOC99
1373                                .farray[0] = 10,
1374                                .farray[1] = 11,
1375                                .farray[2] = 12,
1376 #endif
1377 };
1378
1379 char *sinit12 = "hello world";
1380 char *sinit13[] = {
1381     "test1",
1382     "test2",
1383     "test3",
1384 };
1385 char sinit14[10] = { "abc" };
1386 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1387
1388 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1389
1390 struct bar {
1391         char *s;
1392         int len;
1393 } sinit17[] = {
1394         "a1", 4,
1395         "a2", 1
1396 };
1397
1398 int sinit18[10] = {
1399     [2 ... 5] = 20,
1400     2,
1401     [8] = 10,
1402 };
1403
1404 struct complexinit0 {
1405     int a;
1406     int b;
1407 };
1408
1409 struct complexinit {
1410     int a;
1411     const struct complexinit0 *b;
1412 };
1413
1414 const static struct complexinit cix[] = {
1415     [0] = {
1416         .a = 2000,
1417         .b = (const struct complexinit0[]) {
1418                 { 2001, 2002 },
1419                 { 2003, 2003 },
1420                 {}
1421         }
1422     }
1423 };
1424
1425 struct complexinit2 {
1426         int a;
1427         int b[];
1428 };
1429
1430 struct complexinit2 cix20;
1431
1432 struct complexinit2 cix21 = {
1433         .a = 3000,
1434         .b = { 3001, 3002, 3003 }
1435 };
1436
1437 struct complexinit2 cix22 = {
1438         .a = 4000,
1439         .b = { 4001, 4002, 4003, 4004, 4005, 4006 }
1440 };
1441
1442 void init_test(void)
1443 {
1444     int linit1 = 2;
1445     int linit2 = { 3 };
1446     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1447     int linit6[] = { 1, 2, 3 };
1448     int i, j;
1449     char linit8[] = "hello" "trala";
1450     int linit12[10] = { 1, 2 };
1451     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1452     char linit14[10] = "abc";
1453     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1454     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1455     int linit17 = sizeof(linit17);
1456
1457     printf("init_test:\n");
1458
1459     printf("sinit1=%d\n", sinit1);
1460     printf("sinit2=%d\n", sinit2);
1461     printf("sinit3=%d %d %d %d\n",
1462            sizeof(sinit3),
1463            sinit3[0],
1464            sinit3[1],
1465            sinit3[2]
1466            );
1467     printf("sinit6=%d\n", sizeof(sinit6));
1468     printf("sinit7=%d %d %d %d\n",
1469            sizeof(sinit7),
1470            sinit7[0],
1471            sinit7[1],
1472            sinit7[2]
1473            );
1474     printf("sinit8=%s\n", sinit8);
1475     printf("sinit9=%d %d %d\n",
1476            sinit9.f1,
1477            sinit9.f2,
1478            sinit9.f3
1479            );
1480     printf("sinit10=%d %d %d\n",
1481            sinit10.f1,
1482            sinit10.f2,
1483            sinit10.f3
1484            );
1485     printf("sinit11=%d %d %d %d %d %d\n",
1486            sinit11.f1,
1487            sinit11.f2,
1488            sinit11.f3,
1489            sinit11.farray[0],
1490            sinit11.farray[1],
1491            sinit11.farray[2]
1492            );
1493
1494     for(i=0;i<3;i++)
1495         for(j=0;j<2;j++)
1496             printf("[%d][%d] = %d %d %d\n",
1497                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1498     printf("linit1=%d\n", linit1);
1499     printf("linit2=%d\n", linit2);
1500     printf("linit6=%d\n", sizeof(linit6));
1501     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1502
1503     printf("sinit12=%s\n", sinit12);
1504     printf("sinit13=%d %s %s %s\n",
1505            sizeof(sinit13),
1506            sinit13[0],
1507            sinit13[1],
1508            sinit13[2]);
1509     printf("sinit14=%s\n", sinit14);
1510
1511     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1512     printf("\n");
1513     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1514     printf("\n");
1515     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1516     printf("\n");
1517     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1518     printf("\n");
1519     printf("%d %d %d %d\n",
1520            linit16.a1,
1521            linit16.a2,
1522            linit16.a3,
1523            linit16.a4);
1524     /* test that initialisation is done after variable declare */
1525     printf("linit17=%d\n", linit17);
1526     printf("sinit15=%d\n", sinit15[0]);
1527     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1528     printf("sinit17=%s %d %s %d\n",
1529            sinit17[0].s, sinit17[0].len,
1530            sinit17[1].s, sinit17[1].len);
1531     for(i=0;i<10;i++)
1532         printf("%x ", sinit18[i]);
1533     printf("\n");
1534     /* complex init check */
1535     printf("cix: %d %d %d %d %d %d %d\n",
1536         cix[0].a,
1537         cix[0].b[0].a, cix[0].b[0].b,
1538         cix[0].b[1].a, cix[0].b[1].b,
1539         cix[0].b[2].a, cix[0].b[2].b);
1540     printf("cix2: %d %d\n", cix21.b[2], cix22.b[5]);
1541     printf("sizeof cix20 %d, cix21 %d, sizeof cix22 %d\n", sizeof cix20, sizeof cix21, sizeof cix22);
1542 }
1543
1544
1545 void switch_test()
1546 {
1547     int i;
1548
1549     for(i=0;i<15;i++) {
1550         switch(i) {
1551         case 0:
1552         case 1:
1553             printf("a");
1554             break;
1555         default:
1556             printf("%d", i);
1557             break;
1558         case 8 ... 12:
1559             printf("c");
1560             break;
1561         case 3:
1562             printf("b");
1563             break;
1564         case 0xc33c6b9fU:
1565         case 0x7c9eeeb9U:
1566             break;
1567         }
1568     }
1569     printf("\n");
1570 }
1571
1572 /* ISOC99 _Bool type */
1573 void c99_bool_test(void)
1574 {
1575 #ifdef BOOL_ISOC99
1576     int a;
1577     _Bool b;
1578
1579     printf("bool_test:\n");
1580     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1581     a = 3;
1582     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1583     b = 3;
1584     printf("b = %d\n", b);
1585     b++;
1586     printf("b = %d\n", b);
1587 #endif
1588 }
1589
1590 void bitfield_test(void)
1591 {
1592     int a;
1593     short sa;
1594     unsigned char ca;
1595     struct sbf1 {
1596         int f1 : 3;
1597         int : 2;
1598         int f2 : 1;
1599         int : 0;
1600         int f3 : 5;
1601         int f4 : 7;
1602         unsigned int f5 : 7;
1603     } st1;
1604     printf("bitfield_test:");
1605     printf("sizeof(st1) = %d\n", sizeof(st1));
1606
1607     st1.f1 = 3;
1608     st1.f2 = 1;
1609     st1.f3 = 15;
1610     a = 120;
1611     st1.f4 = a;
1612     st1.f5 = a;
1613     st1.f5++;
1614     printf("%d %d %d %d %d\n",
1615            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1616     sa = st1.f5;
1617     ca = st1.f5;
1618     printf("%d %d\n", sa, ca);
1619
1620     st1.f1 = 7;
1621     if (st1.f1 == -1)
1622         printf("st1.f1 == -1\n");
1623     else
1624         printf("st1.f1 != -1\n");
1625     if (st1.f2 == -1)
1626         printf("st1.f2 == -1\n");
1627     else
1628         printf("st1.f2 != -1\n");
1629
1630     /* bit sizes below must be bigger than 32 since GCC doesn't allow
1631        long-long bitfields whose size is not bigger than int */
1632     struct sbf2 {
1633         long long f1 : 45;
1634         long long : 2;
1635         long long f2 : 35;
1636         unsigned long long f3 : 38;
1637     } st2;
1638     st2.f1 = 0x123456789ULL;
1639     a = 120;
1640     st2.f2 = (long long)a << 25;
1641     st2.f3 = a;
1642     st2.f2++;
1643     printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
1644 }
1645
1646 #ifdef __x86_64__
1647 #define FLOAT_FMT "%f\n"
1648 #else
1649 /* x86's float isn't compatible with GCC */
1650 #define FLOAT_FMT "%.5f\n"
1651 #endif
1652
1653 /* declare strto* functions as they are C99 */
1654 double strtod(const char *nptr, char **endptr);
1655
1656 #if defined(_WIN32)
1657 float strtof(const char *nptr, char **endptr) {return (float)strtod(nptr, endptr);}
1658 LONG_DOUBLE strtold(const char *nptr, char **endptr) {return (LONG_DOUBLE)strtod(nptr, endptr);}
1659 #else
1660 float strtof(const char *nptr, char **endptr);
1661 LONG_DOUBLE strtold(const char *nptr, char **endptr);
1662 #endif
1663
1664 #define FTEST(prefix, typename, type, fmt)\
1665 void prefix ## cmp(type a, type b)\
1666 {\
1667     printf("%d %d %d %d %d %d\n",\
1668            a == b,\
1669            a != b,\
1670            a < b,\
1671            a > b,\
1672            a >= b,\
1673            a <= b);\
1674     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1675            a,\
1676            b,\
1677            a + b,\
1678            a - b,\
1679            a * b,\
1680            a / b,\
1681            -a);\
1682     printf(fmt "\n", ++a);\
1683     printf(fmt "\n", a++);\
1684     printf(fmt "\n", a);\
1685     b = 0;\
1686     printf("%d %d\n", !a, !b);\
1687 }\
1688 void prefix ## fcast(type a)\
1689 {\
1690     float fa;\
1691     double da;\
1692     LONG_DOUBLE la;\
1693     int ia;\
1694     long long llia;\
1695     unsigned int ua;\
1696     unsigned long long llua;\
1697     type b;\
1698     fa = a;\
1699     da = a;\
1700     la = a;\
1701     printf("ftof: %f %f %Lf\n", fa, da, la);\
1702     ia = (int)a;\
1703     llia = (long long)a;\
1704     a = (a >= 0) ? a : -a;\
1705     ua = (unsigned int)a;\
1706     llua = (unsigned long long)a;\
1707     printf("ftoi: %d %u %lld %llu\n", ia, ua, llia, llua);\
1708     ia = -1234;\
1709     ua = 0x81234500;\
1710     llia = -0x123456789012345LL;\
1711     llua = 0xf123456789012345LLU;\
1712     b = ia;\
1713     printf("itof: " fmt "\n", b);\
1714     b = ua;\
1715     printf("utof: " fmt "\n", b);\
1716     b = llia;\
1717     printf("lltof: " fmt "\n", b);\
1718     b = llua;\
1719     printf("ulltof: " fmt "\n", b);\
1720 }\
1721 \
1722 float prefix ## retf(type a) { return a; }\
1723 double prefix ## retd(type a) { return a; }\
1724 LONG_DOUBLE prefix ## retld(type a) { return a; }\
1725 \
1726 void prefix ## call(void)\
1727 {\
1728     printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
1729     printf("double: %f\n", prefix ## retd(42.123456789));\
1730     printf("long double: %Lf\n", prefix ## retld(42.123456789));\
1731     printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
1732 }\
1733 \
1734 void prefix ## signed_zeros(void) \
1735 {\
1736   type x = 0.0, y = -0.0, n, p;\
1737   if (x == y)\
1738     printf ("Test 1.0 / x != 1.0 / y  returns %d (should be 1).\n",\
1739             1.0 / x != 1.0 / y);\
1740   else\
1741     printf ("x != y; this is wrong!\n");\
1742 \
1743   n = -x;\
1744   if (x == n)\
1745     printf ("Test 1.0 / x != 1.0 / -x returns %d (should be 1).\n",\
1746             1.0 / x != 1.0 / n);\
1747   else\
1748     printf ("x != -x; this is wrong!\n");\
1749 \
1750   p = +y;\
1751   if (x == p)\
1752     printf ("Test 1.0 / x != 1.0 / +y returns %d (should be 1).\n",\
1753             1.0 / x != 1.0 / p);\
1754   else\
1755     printf ("x != +y; this is wrong!\n");\
1756   p = -y;\
1757   if (x == p)\
1758     printf ("Test 1.0 / x != 1.0 / -y returns %d (should be 0).\n",\
1759             1.0 / x != 1.0 / p);\
1760   else\
1761     printf ("x != -y; this is wrong!\n");\
1762 }\
1763 void prefix ## test(void)\
1764 {\
1765     printf("testing '%s'\n", #typename);\
1766     prefix ## cmp(1, 2.5);\
1767     prefix ## cmp(2, 1.5);\
1768     prefix ## cmp(1, 1);\
1769     prefix ## fcast(234.6);\
1770     prefix ## fcast(-2334.6);\
1771     prefix ## call();\
1772     prefix ## signed_zeros();\
1773 }
1774
1775 FTEST(f, float, float, "%f")
1776 FTEST(d, double, double, "%f")
1777 FTEST(ld, long double, LONG_DOUBLE, "%Lf")
1778
1779 double ftab1[3] = { 1.2, 3.4, -5.6 };
1780
1781
1782 void float_test(void)
1783 {
1784 #if !defined(__arm__) || defined(__ARM_PCS_VFP)
1785     float fa, fb;
1786     double da, db;
1787     int a;
1788     unsigned int b;
1789
1790     printf("float_test:\n");
1791     printf("sizeof(float) = %d\n", sizeof(float));
1792     printf("sizeof(double) = %d\n", sizeof(double));
1793     printf("sizeof(long double) = %d\n", sizeof(LONG_DOUBLE));
1794     ftest();
1795     dtest();
1796     ldtest();
1797     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1798     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1799     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1800     da = 123;
1801     printf("da=%f\n", da);
1802     fa = 123;
1803     printf("fa=%f\n", fa);
1804     a = 4000000000;
1805     da = a;
1806     printf("da = %f\n", da);
1807     b = 4000000000;
1808     db = b;
1809     printf("db = %f\n", db);
1810 #endif
1811 }
1812
1813 int fib(int n)
1814 {
1815     if (n <= 2)
1816         return 1;
1817     else
1818         return fib(n-1) + fib(n-2);
1819 }
1820
1821 void funcptr_test()
1822 {
1823     void (*func)(int);
1824     int a;
1825     struct {
1826         int dummy;
1827         void (*func)(int);
1828     } st1;
1829
1830     printf("funcptr:\n");
1831     func = &num;
1832     (*func)(12345);
1833     func = num;
1834     a = 1;
1835     a = 1;
1836     func(12345);
1837     /* more complicated pointer computation */
1838     st1.func = num;
1839     st1.func(12346);
1840     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1841     printf("sizeof2 = %d\n", sizeof funcptr_test);
1842     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1843     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1844 }
1845
1846 void lloptest(long long a, long long b)
1847 {
1848     unsigned long long ua, ub;
1849
1850     ua = a;
1851     ub = b;
1852     /* arith */
1853     printf("arith: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1854            a + b,
1855            a - b,
1856            a * b);
1857
1858     if (b != 0) {
1859         printf("arith1: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1860            a / b,
1861            a % b);
1862     }
1863
1864     /* binary */
1865     printf("bin: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1866            a & b,
1867            a | b,
1868            a ^ b);
1869
1870     /* tests */
1871     printf("test: %d %d %d %d %d %d\n",
1872            a == b,
1873            a != b,
1874            a < b,
1875            a > b,
1876            a >= b,
1877            a <= b);
1878
1879     printf("utest: %d %d %d %d %d %d\n",
1880            ua == ub,
1881            ua != ub,
1882            ua < ub,
1883            ua > ub,
1884            ua >= ub,
1885            ua <= ub);
1886
1887     /* arith2 */
1888     a++;
1889     b++;
1890     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1891     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a++, b++);
1892     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", --a, --b);
1893     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1894     b = ub = 0;
1895     printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
1896 }
1897
1898 void llshift(long long a, int b)
1899 {
1900     printf("shift: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1901            (unsigned long long)a >> b,
1902            a >> b,
1903            a << b);
1904     printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1905            (unsigned long long)a >> 3,
1906            a >> 3,
1907            a << 3);
1908     printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1909            (unsigned long long)a >> 35,
1910            a >> 35,
1911            a << 35);
1912 }
1913
1914 void llfloat(void)
1915 {
1916     float fa;
1917     double da;
1918     LONG_DOUBLE lda;
1919     long long la, lb, lc;
1920     unsigned long long ula, ulb, ulc;
1921     la = 0x12345678;
1922     ula = 0x72345678;
1923     la = (la << 20) | 0x12345;
1924     ula = ula << 33;
1925     printf("la=" LONG_LONG_FORMAT " ula=" ULONG_LONG_FORMAT "\n", la, ula);
1926
1927     fa = la;
1928     da = la;
1929     lda = la;
1930     printf("lltof: %f %f %Lf\n", fa, da, lda);
1931
1932     la = fa;
1933     lb = da;
1934     lc = lda;
1935     printf("ftoll: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", la, lb, lc);
1936
1937     fa = ula;
1938     da = ula;
1939     lda = ula;
1940     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1941
1942     ula = fa;
1943     ulb = da;
1944     ulc = lda;
1945     printf("ftoull: " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT "\n", ula, ulb, ulc);
1946 }
1947
1948 long long llfunc1(int a)
1949 {
1950     return a * 2;
1951 }
1952
1953 struct S {
1954     int id;
1955     char item;
1956 };
1957
1958 long long int value(struct S *v)
1959 {
1960     return ((long long int)v->item);
1961 }
1962
1963 long long llfunc2(long long x, long long y, int z)
1964 {
1965     return x * y * z;
1966 }
1967
1968 void longlong_test(void)
1969 {
1970     long long a, b, c;
1971     int ia;
1972     unsigned int ua;
1973     printf("longlong_test:\n");
1974     printf("sizeof(long long) = %d\n", sizeof(long long));
1975     ia = -1;
1976     ua = -2;
1977     a = ia;
1978     b = ua;
1979     printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1980     printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %Lx\n",
1981            (long long)1,
1982            (long long)-2,
1983            1LL,
1984            0x1234567812345679);
1985     a = llfunc1(-3);
1986     printf(LONG_LONG_FORMAT "\n", a);
1987
1988     lloptest(1000, 23);
1989     lloptest(0xff, 0x1234);
1990     b = 0x72345678 << 10;
1991     lloptest(-3, b);
1992     llshift(0x123, 5);
1993     llshift(-23, 5);
1994     b = 0x72345678LL << 10;
1995     llshift(b, 47);
1996
1997     llfloat();
1998 #if 1
1999     b = 0x12345678;
2000     a = -1;
2001     c = a + b;
2002     printf("%Lx\n", c);
2003 #endif
2004
2005     /* long long reg spill test */
2006     {
2007           struct S a;
2008
2009           a.item = 3;
2010           printf("%lld\n", value(&a));
2011     }
2012     lloptest(0x80000000, 0);
2013
2014     {
2015         long long *p, v, **pp;
2016         v = 1;
2017         p = &v;
2018         p[0]++;
2019         printf("another long long spill test : %lld\n", *p);
2020         pp = &p;
2021
2022         v = llfunc2(**pp, **pp, ia);
2023         printf("a long long function (arm-)reg-args test : %lld\n", v);
2024     }
2025     a = 68719476720LL;
2026     b = 4294967295LL;
2027     printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
2028
2029     printf(LONG_LONG_FORMAT "\n", 0x123456789LLU);
2030
2031     /* long long pointer deref in argument passing test */
2032     a = 0x123;
2033     long long *p = &a;
2034     llshift(*p, 5);
2035 }
2036
2037 void manyarg_test(void)
2038 {
2039     LONG_DOUBLE ld = 1234567891234LL;
2040     printf("manyarg_test:\n");
2041     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
2042            1, 2, 3, 4, 5, 6, 7, 8,
2043            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
2044     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2045            LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
2046            1, 2, 3, 4, 5, 6, 7, 8,
2047            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2048            1234567891234LL, 987654321986LL,
2049            42.0, 43.0);
2050     printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2051            LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
2052            ld, 1, 2, 3, 4, 5, 6, 7, 8,
2053            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2054            1234567891234LL, 987654321986LL,
2055            42.0, 43.0);
2056     printf("%d %d %d %d %d %d %d %d %Lf\n",
2057            1, 2, 3, 4, 5, 6, 7, 8, ld);
2058     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2059            LONG_LONG_FORMAT " " LONG_LONG_FORMAT "%f %f %Lf\n",
2060            1, 2, 3, 4, 5, 6, 7, 8,
2061            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2062            1234567891234LL, 987654321986LL,
2063            42.0, 43.0, ld);
2064     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2065            "%Lf " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f %Lf\n",
2066            1, 2, 3, 4, 5, 6, 7, 8,
2067            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2068            ld, 1234567891234LL, 987654321986LL,
2069            42.0, 43.0, ld);
2070 }
2071
2072 void vprintf1(const char *fmt, ...)
2073 {
2074     va_list ap, aq;
2075     const char *p;
2076     int c, i;
2077     double d;
2078     long long ll;
2079     LONG_DOUBLE ld;
2080
2081     va_start(aq, fmt);
2082     va_copy(ap, aq);
2083
2084     p = fmt;
2085     for(;;) {
2086         c = *p;
2087         if (c == '\0')
2088             break;
2089         p++;
2090         if (c == '%') {
2091             c = *p;
2092             switch(c) {
2093             case '\0':
2094                 goto the_end;
2095             case 'd':
2096                 i = va_arg(ap, int);
2097                 printf("%d", i);
2098                 break;
2099             case 'f':
2100                 d = va_arg(ap, double);
2101                 printf("%f", d);
2102                 break;
2103             case 'l':
2104                 ll = va_arg(ap, long long);
2105                 printf(LONG_LONG_FORMAT, ll);
2106                 break;
2107             case 'F':
2108                 ld = va_arg(ap, LONG_DOUBLE);
2109                 printf("%Lf", ld);
2110                 break;
2111             }
2112             p++;
2113         } else {
2114             putchar(c);
2115         }
2116     }
2117  the_end:
2118     va_end(aq);
2119     va_end(ap);
2120 }
2121
2122 struct myspace {
2123     short int profile;
2124 };
2125
2126 void stdarg_for_struct(struct myspace bob, ...)
2127 {
2128     struct myspace george, bill;
2129     va_list ap;
2130     short int validate;
2131
2132     va_start(ap, bob);
2133     bill     = va_arg(ap, struct myspace);
2134     george   = va_arg(ap, struct myspace);
2135     validate = va_arg(ap, int);
2136     printf("stdarg_for_struct: %d %d %d %d\n",
2137            bob.profile, bill.profile, george.profile, validate);
2138     va_end(ap);
2139 }
2140
2141 void stdarg_for_libc(const char *fmt, ...)
2142 {
2143     va_list args;
2144     va_start(args, fmt);
2145     vprintf(fmt, args);
2146     va_end(args);
2147 }
2148
2149 void stdarg_test(void)
2150 {
2151     LONG_DOUBLE ld = 1234567891234LL;
2152     struct myspace bob;
2153
2154     vprintf1("%d %d %d\n", 1, 2, 3);
2155     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
2156     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
2157     vprintf1("%F %F %F\n", LONG_DOUBLE_LITERAL(1.2), LONG_DOUBLE_LITERAL(2.3), LONG_DOUBLE_LITERAL(3.4));
2158     vprintf1("%d %f %l %F %d %f %l %F\n",
2159              1, 1.2, 3LL, LONG_DOUBLE_LITERAL(4.5), 6, 7.8, 9LL, LONG_DOUBLE_LITERAL(0.1));
2160     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
2161              1, 2, 3, 4, 5, 6, 7, 8,
2162              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
2163     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
2164              1, 2, 3, 4, 5, 6, 7, 8,
2165              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
2166     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2167              "%l %l %f %f\n",
2168              1, 2, 3, 4, 5, 6, 7, 8,
2169              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2170              1234567891234LL, 987654321986LL,
2171              42.0, 43.0);
2172     vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2173              "%l %l %f %f\n",
2174              ld, 1, 2, 3, 4, 5, 6, 7, 8,
2175              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2176              1234567891234LL, 987654321986LL,
2177              42.0, 43.0);
2178     vprintf1("%d %d %d %d %d %d %d %d %F\n",
2179              1, 2, 3, 4, 5, 6, 7, 8, ld);
2180     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2181              "%l %l %f %f %F\n",
2182              1, 2, 3, 4, 5, 6, 7, 8,
2183              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2184              1234567891234LL, 987654321986LL,
2185              42.0, 43.0, ld);
2186     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2187              "%F %l %l %f %f %F\n",
2188              1, 2, 3, 4, 5, 6, 7, 8,
2189              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2190              ld, 1234567891234LL, 987654321986LL,
2191              42.0, 43.0, ld);
2192
2193     bob.profile = 42;
2194     stdarg_for_struct(bob, bob, bob, bob.profile);
2195     stdarg_for_libc("stdarg_for_libc: %s %.2f %d\n", "string", 1.23, 456);
2196 }
2197
2198 void whitespace_test(void)
2199 {
2200     char *str;
2201
2202 \f\v
#if 1
2203     pri\
2204 ntf("whitspace:\n");\f\v
2205 #endif
2206     pf("N=%d\n", 2);
2207
2208 #ifdef CORRECT_CR_HANDLING
2209     pri\
2210 ntf("aaa=%d\n", 3);
2211 #endif
2212
2213     pri\
2214 \
2215 ntf("min=%d\n", 4);
2216
2217 #ifdef ACCEPT_CR_IN_STRINGS
2218     printf("len1=%d\n", strlen("
2219 "));
2220 #ifdef CORRECT_CR_HANDLING
2221     str = "
2222 ";
2223     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
2224 #endif
2225     printf("len1=%d\n", strlen("
a
2226 "));
2227 #endif /* ACCEPT_CR_IN_STRINGS */
2228 }
2229
2230 int reltab[3] = { 1, 2, 3 };
2231
2232 int *rel1 = &reltab[1];
2233 int *rel2 = &reltab[2];
2234
2235 void getmyaddress(void)
2236 {
2237     printf("in getmyaddress\n");
2238 }
2239 unsigned long theaddress = (unsigned long)getmyaddress;
2240 void relocation_test(void)
2241 {
2242     void (*fptr)(void) = (void (*)(void))theaddress;
2243     printf("*rel1=%d\n", *rel1);
2244     printf("*rel2=%d\n", *rel2);
2245     fptr();
2246 }
2247
2248 void old_style_f(a,b,c)
2249      int a, b;
2250      double c;
2251 {
2252     printf("a=%d b=%d b=%f\n", a, b, c);
2253 }
2254
2255 void decl_func1(int cmpfn())
2256 {
2257     printf("cmpfn=%lx\n", (long)cmpfn);
2258 }
2259
2260 void decl_func2(cmpfn)
2261 int cmpfn();
2262 {
2263     printf("cmpfn=%lx\n", (long)cmpfn);
2264 }
2265
2266 void old_style_function(void)
2267 {
2268     old_style_f((void *)1, 2, 3.0);
2269     decl_func1(NULL);
2270     decl_func2(NULL);
2271 }
2272
2273 void alloca_test()
2274 {
2275 #if defined __i386__ || defined __x86_64__ || defined __arm__
2276     char *p = alloca(16);
2277     strcpy(p,"123456789012345");
2278     printf("alloca: p is %s\n", p);
2279     char *demo = "This is only a test.\n";
2280     /* Test alloca embedded in a larger expression */
2281     printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
2282 #endif
2283 }
2284
2285 void *bounds_checking_is_enabled()
2286 {
2287     char ca[10], *cp = ca-1;
2288     return (ca != cp + 1) ? cp : NULL;
2289 }
2290
2291 typedef int constant_negative_array_size_as_compile_time_assertion_idiom[(1 ? 2 : 0) - 1];
2292
2293 void c99_vla_test(int size1, int size2)
2294 {
2295 #if defined __i386__ || defined __x86_64__
2296     int size = size1 * size2;
2297     int tab1[size][2], tab2[10][2];
2298     void *tab1_ptr, *tab2_ptr, *bad_ptr;
2299
2300     /* "size" should have been 'captured' at tab1 declaration,
2301         so modifying it should have no effect on VLA behaviour. */
2302     size = size-1;
2303
2304     printf("Test C99 VLA 1 (sizeof): ");
2305     printf("%s\n", (sizeof tab1 == size1 * size2 * 2 * sizeof(int)) ? "PASSED" : "FAILED");
2306     tab1_ptr = tab1;
2307     tab2_ptr = tab2;
2308     printf("Test C99 VLA 2 (ptrs subtract): ");
2309     printf("%s\n", (tab2 - tab1 == (tab2_ptr - tab1_ptr) / (sizeof(int) * 2)) ? "PASSED" : "FAILED");
2310     printf("Test C99 VLA 3 (ptr add): ");
2311     printf("%s\n", &tab1[5][1] == (tab1_ptr + (5 * 2 + 1) * sizeof(int)) ? "PASSED" : "FAILED");
2312     printf("Test C99 VLA 4 (ptr access): ");
2313     tab1[size1][1] = 42;
2314     printf("%s\n", (*((int *) (tab1_ptr + (size1 * 2 + 1) * sizeof(int))) == 42) ? "PASSED" : "FAILED");
2315
2316     printf("Test C99 VLA 5 (bounds checking (might be disabled)): ");
2317     if (bad_ptr = bounds_checking_is_enabled()) {
2318         int *t1 = &tab1[size1 * size2 - 1][3];
2319         int *t2 = &tab2[9][3];
2320         printf("%s ", bad_ptr == t1 ? "PASSED" : "FAILED");
2321         printf("%s ", bad_ptr == t2 ? "PASSED" : "FAILED");
2322
2323         char*c1 = 1 + sizeof(tab1) + (char*)tab1;
2324         char*c2 = 1 + sizeof(tab2) + (char*)tab2;
2325         printf("%s ", bad_ptr == c1 ? "PASSED" : "FAILED");
2326         printf("%s ", bad_ptr == c2 ? "PASSED" : "FAILED");
2327
2328         int *i1 = tab1[-1];
2329         int *i2 = tab2[-1];
2330         printf("%s ", bad_ptr == i1 ? "PASSED" : "FAILED");
2331         printf("%s ", bad_ptr == i2 ? "PASSED" : "FAILED");
2332
2333         int *x1 = tab1[size1 * size2 + 1];
2334         int *x2 = tab2[10 + 1];
2335         printf("%s ", bad_ptr == x1 ? "PASSED" : "FAILED");
2336         printf("%s ", bad_ptr == x2 ? "PASSED" : "FAILED");
2337     } else {
2338         printf("PASSED PASSED PASSED PASSED PASSED PASSED PASSED PASSED ");
2339     }
2340     printf("\n");
2341 #endif
2342 }
2343
2344 #ifndef __TINYC__
2345 typedef __SIZE_TYPE__ uintptr_t;
2346 #endif
2347
2348 void sizeof_test(void)
2349 {
2350     int a;
2351     int **ptr;
2352
2353     printf("sizeof(int) = %d\n", sizeof(int));
2354     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
2355     printf("sizeof(long) = %d\n", sizeof(long));
2356     printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
2357     printf("sizeof(short) = %d\n", sizeof(short));
2358     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
2359     printf("sizeof(char) = %d\n", sizeof(char));
2360     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
2361     printf("sizeof(func) = %d\n", sizeof sizeof_test());
2362     a = 1;
2363     printf("sizeof(a++) = %d\n", sizeof a++);
2364     printf("a=%d\n", a);
2365     ptr = NULL;
2366     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
2367
2368     /* The type of sizeof should be as large as a pointer, actually
2369        it should be size_t.  */
2370     printf("sizeof(sizeof(int) = %d\n", sizeof(sizeof(int)));
2371     uintptr_t t = 1;
2372     uintptr_t t2;
2373     /* Effectively <<32, but defined also on 32bit machines.  */
2374     t <<= 16;
2375     t <<= 16;
2376     t++;
2377     /* This checks that sizeof really can be used to manipulate
2378        uintptr_t objects, without truncation.  */
2379     t2 = t & -sizeof(uintptr_t);
2380     printf ("%lu %lu\n", t, t2);
2381
2382     /* some alignof tests */
2383     printf("__alignof__(int) = %d\n", __alignof__(int));
2384     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
2385     printf("__alignof__(short) = %d\n", __alignof__(short));
2386     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
2387     printf("__alignof__(char) = %d\n", __alignof__(char));
2388     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
2389     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
2390 }
2391
2392 void typeof_test(void)
2393 {
2394     double a;
2395     typeof(a) b;
2396     typeof(float) c;
2397
2398     a = 1.5;
2399     b = 2.5;
2400     c = 3.5;
2401     printf("a=%f b=%f c=%f\n", a, b, c);
2402 }
2403
2404 void statement_expr_test(void)
2405 {
2406     int a, i;
2407
2408     a = 0;
2409     for(i=0;i<10;i++) {
2410         a += 1 +
2411             ( { int b, j;
2412                 b = 0;
2413                 for(j=0;j<5;j++)
2414                     b += j; b;
2415             } );
2416     }
2417     printf("a=%d\n", a);
2418
2419 }
2420
2421 void local_label_test(void)
2422 {
2423     int a;
2424     goto l1;
2425  l2:
2426     a = 1 + ({
2427         __label__ l1, l2, l3, l4;
2428         goto l1;
2429     l4:
2430         printf("aa1\n");
2431         goto l3;
2432     l2:
2433         printf("aa3\n");
2434         goto l4;
2435     l1:
2436         printf("aa2\n");
2437         goto l2;
2438     l3:;
2439         1;
2440     });
2441     printf("a=%d\n", a);
2442     return;
2443  l4:
2444     printf("bb1\n");
2445     goto l2;
2446  l1:
2447     printf("bb2\n");
2448     goto l4;
2449 }
2450
2451 /* inline assembler test */
2452 #if defined(__i386__) || defined(__x86_64__)
2453
2454 /* from linux kernel */
2455 static char * strncat1(char * dest,const char * src,size_t count)
2456 {
2457 long d0, d1, d2, d3;
2458 __asm__ __volatile__(
2459         "repne\n\t"
2460         "scasb\n\t"
2461         "dec %1\n\t"
2462         "mov %8,%3\n"
2463         "1:\tdec %3\n\t"
2464         "js 2f\n\t"
2465         "lodsb\n\t"
2466         "stosb\n\t"
2467         "testb %%al,%%al\n\t"
2468         "jne 1b\n"
2469         "2:\txor %2,%2\n\t"
2470         "stosb"
2471         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2472         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2473         : "memory");
2474 return dest;
2475 }
2476
2477 static char * strncat2(char * dest,const char * src,size_t count)
2478 {
2479 long d0, d1, d2, d3;
2480 __asm__ __volatile__(
2481         "repne scasb\n\t" /* one-line repne prefix + string op */
2482         "dec %1\n\t"
2483         "mov %8,%3\n"
2484         "1:\tdec %3\n\t"
2485         "js 2f\n\t"
2486         "lodsb\n\t"
2487         "stosb\n\t"
2488         "testb %%al,%%al\n\t"
2489         "jne 1b\n"
2490         "2:\txor %2,%2\n\t"
2491         "stosb"
2492         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2493         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2494         : "memory");
2495 return dest;
2496 }
2497
2498 static inline void * memcpy1(void * to, const void * from, size_t n)
2499 {
2500 long d0, d1, d2;
2501 __asm__ __volatile__(
2502         "rep ; movsl\n\t"
2503         "testb $2,%b4\n\t"
2504         "je 1f\n\t"
2505         "movsw\n"
2506         "1:\ttestb $1,%b4\n\t"
2507         "je 2f\n\t"
2508         "movsb\n"
2509         "2:"
2510         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2511         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2512         : "memory");
2513 return (to);
2514 }
2515
2516 static inline void * memcpy2(void * to, const void * from, size_t n)
2517 {
2518 long d0, d1, d2;
2519 __asm__ __volatile__(
2520         "rep movsl\n\t"  /* one-line rep prefix + string op */
2521         "testb $2,%b4\n\t"
2522         "je 1f\n\t"
2523         "movsw\n"
2524         "1:\ttestb $1,%b4\n\t"
2525         "je 2f\n\t"
2526         "movsb\n"
2527         "2:"
2528         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2529         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2530         : "memory");
2531 return (to);
2532 }
2533
2534 static __inline__ void sigaddset1(unsigned int *set, int _sig)
2535 {
2536         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2537 }
2538
2539 static __inline__ void sigdelset1(unsigned int *set, int _sig)
2540 {
2541         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2542 }
2543
2544 static __inline__ __const__ unsigned int swab32(unsigned int x)
2545 {
2546         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
2547                 "rorl $16,%0\n\t"       /* swap words           */
2548                 "xchgb %b0,%h0"         /* swap higher bytes    */
2549                 :"=" "q" (x)
2550                 : "0" (x));
2551         return x;
2552 }
2553
2554 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
2555 {
2556     unsigned long long res;
2557 #ifdef __x86_64__
2558     /* Using the A constraint is wrong (it means rdx:rax, which is too large)
2559        but still test the 32bit->64bit mull.  */
2560     unsigned int resh, resl;
2561     __asm__("mull %2" : "=a" (resl), "=d" (resh) : "a" (a), "r" (b));
2562     res = ((unsigned long long)resh << 32) | resl;
2563 #else
2564     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
2565 #endif
2566     return res;
2567 }
2568
2569 static __inline__ unsigned long long inc64(unsigned long long a)
2570 {
2571     unsigned long long res;
2572 #ifdef __x86_64__
2573     /* Using the A constraint is wrong, and increments are tested
2574        elsewere.  */
2575     res = a + 1;
2576 #else
2577     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
2578 #endif
2579     return res;
2580 }
2581
2582 struct struct123 {
2583     int a;
2584     int b;
2585 };
2586 struct struct1231 {
2587     unsigned long addr;
2588 };
2589
2590 unsigned long mconstraint_test(struct struct1231 *r)
2591 {
2592     unsigned long ret;
2593     unsigned int a[2];
2594     a[0] = 0;
2595     __asm__ volatile ("lea %2,%0; movl 4(%0),%k0; addl %2,%k0; movl $51,%2; movl $52,4%2; movl $63,%1"
2596                      : "=&r" (ret), "=m" (a)
2597                      : "m" (*(struct struct123 *)r->addr));
2598     return ret + a[0];
2599 }
2600
2601 #ifdef __x86_64__
2602 int fls64(unsigned long long x)
2603 {
2604   int bitpos = -1;
2605   asm("bsrq %1,%q0"
2606       : "+r" (bitpos)
2607       : "rm" (x));
2608   return bitpos + 1;
2609 }
2610 #endif
2611
2612 void other_constraints_test(void)
2613 {
2614     unsigned long ret;
2615     int var;
2616     __asm__ volatile ("movq %P1,%0" : "=r" (ret) : "p" (&var));
2617     printf ("oc1: %d\n", ret == (unsigned long)&var);
2618 }
2619
2620 unsigned int set;
2621
2622 void asm_test(void)
2623 {
2624     char buf[128];
2625     unsigned int val;
2626     struct struct123 s1;
2627     struct struct1231 s2 = { (unsigned long)&s1 };
2628
2629     printf("inline asm:\n");
2630
2631     // parse 0x1E-1 as 3 tokens in asm mode
2632     asm volatile ("mov $0x1E-1,%eax");
2633
2634     /* test the no operand case */
2635     asm volatile ("xorl %eax, %eax");
2636
2637     memcpy1(buf, "hello", 6);
2638     strncat1(buf, " worldXXXXX", 3);
2639     printf("%s\n", buf);
2640
2641     memcpy2(buf, "hello", 6);
2642     strncat2(buf, " worldXXXXX", 3);
2643     printf("%s\n", buf);
2644
2645     /* 'A' constraint test */
2646     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
2647     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
2648
2649     s1.a = 42;
2650     s1.b = 43;
2651     printf("mconstraint: %d", mconstraint_test(&s2));
2652     printf(" %d %d\n", s1.a, s1.b);
2653     other_constraints_test();
2654     set = 0xff;
2655     sigdelset1(&set, 2);
2656     sigaddset1(&set, 16);
2657     /* NOTE: we test here if C labels are correctly restored after the
2658        asm statement */
2659     goto label1;
2660  label2:
2661     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
2662     printf("set=0x%x\n", set);
2663     val = 0x01020304;
2664     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
2665     return;
2666  label1:
2667     goto label2;
2668 }
2669
2670 #else
2671
2672 void asm_test(void)
2673 {
2674 }
2675
2676 #endif
2677
2678 #define COMPAT_TYPE(type1, type2) \
2679 {\
2680     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
2681            __builtin_types_compatible_p (type1, type2));\
2682 }
2683
2684 int constant_p_var;
2685
2686 void builtin_test(void)
2687 {
2688     short s;
2689     int i;
2690     long long ll;
2691 #if GCC_MAJOR >= 3
2692     COMPAT_TYPE(int, int);
2693     COMPAT_TYPE(int, unsigned int);
2694     COMPAT_TYPE(int, char);
2695     COMPAT_TYPE(int, const int);
2696     COMPAT_TYPE(int, volatile int);
2697     COMPAT_TYPE(int *, int *);
2698     COMPAT_TYPE(int *, void *);
2699     COMPAT_TYPE(int *, const int *);
2700     COMPAT_TYPE(char *, unsigned char *);
2701     COMPAT_TYPE(char *, signed char *);
2702     COMPAT_TYPE(char *, char *);
2703 /* space is needed because tcc preprocessor introduces a space between each token */
2704     COMPAT_TYPE(char * *, void *);
2705 #endif
2706     printf("res = %d\n", __builtin_constant_p(1));
2707     printf("res = %d\n", __builtin_constant_p(1 + 2));
2708     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
2709     printf("res = %d\n", __builtin_constant_p(constant_p_var));
2710     s = 1;
2711     ll = 2;
2712     i = __builtin_choose_expr (1 != 0, ll, s);
2713     printf("bce: %d\n", i);
2714     i = __builtin_choose_expr (1 != 1, ll, s);
2715     printf("bce: %d\n", i);
2716     i = sizeof (__builtin_choose_expr (1, ll, s));
2717     printf("bce: %d\n", i);
2718     i = sizeof (__builtin_choose_expr (0, ll, s));
2719     printf("bce: %d\n", i);
2720 }
2721
2722 #ifndef _WIN32
2723 extern int __attribute__((weak)) weak_f1(void);
2724 extern int __attribute__((weak)) weak_f2(void);
2725 extern int                       weak_f3(void);
2726 extern int __attribute__((weak)) weak_v1;
2727 extern int __attribute__((weak)) weak_v2;
2728 extern int                       weak_v3;
2729
2730 extern int                           (*weak_fpa)() __attribute__((weak));
2731 extern int __attribute__((weak))     (*weak_fpb)();
2732 extern     __attribute__((weak)) int (*weak_fpc)();
2733
2734 extern int                     weak_asm_f1(void) asm("weak_asm_f1x") __attribute((weak));
2735 extern int __attribute((weak)) weak_asm_f2(void) asm("weak_asm_f2x")                    ;
2736 extern int __attribute((weak)) weak_asm_f3(void) asm("weak_asm_f3x") __attribute((weak));
2737 extern int                     weak_asm_v1       asm("weak_asm_v1x") __attribute((weak));
2738 extern int __attribute((weak)) weak_asm_v2       asm("weak_asm_v2x")                    ;
2739 extern int __attribute((weak)) weak_asm_v3(void) asm("weak_asm_v3x") __attribute((weak));
2740
2741 static const size_t dummy = 0;
2742 extern __typeof(dummy) weak_dummy1 __attribute__((weak, alias("dummy")));
2743 extern __typeof(dummy) __attribute__((weak, alias("dummy"))) weak_dummy2;
2744 extern __attribute__((weak, alias("dummy"))) __typeof(dummy) weak_dummy3;
2745
2746 int some_lib_func(void);
2747 int dummy_impl_of_slf(void) { return 444; }
2748 int some_lib_func(void) __attribute__((weak, alias("dummy_impl_of_slf")));
2749
2750 int weak_toolate() __attribute__((weak));
2751 int weak_toolate() { return 0; }
2752
2753 void __attribute__((weak)) weak_test(void)
2754 {
2755         printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
2756         printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
2757         printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
2758         printf("weak_v1=%d\n",&weak_v1 ? weak_v1   : 123);
2759         printf("weak_v2=%d\n",&weak_v2 ? weak_v2   : 123);
2760         printf("weak_v3=%d\n",&weak_v3 ? weak_v3   : 123);
2761
2762         printf("weak_fpa=%d\n",&weak_fpa ? weak_fpa() : 123);
2763         printf("weak_fpb=%d\n",&weak_fpb ? weak_fpb() : 123);
2764         printf("weak_fpc=%d\n",&weak_fpc ? weak_fpc() : 123);
2765
2766         printf("weak_asm_f1=%d\n", weak_asm_f1 != NULL);
2767         printf("weak_asm_f2=%d\n", weak_asm_f2 != NULL);
2768         printf("weak_asm_f3=%d\n", weak_asm_f3 != NULL);
2769         printf("weak_asm_v1=%d\n",&weak_asm_v1 != NULL);
2770         printf("weak_asm_v2=%d\n",&weak_asm_v2 != NULL);
2771         printf("weak_asm_v3=%d\n",&weak_asm_v3 != NULL);
2772 }
2773
2774 int __attribute__((weak)) weak_f2() { return 222; }
2775 int __attribute__((weak)) weak_f3() { return 333; }
2776 int __attribute__((weak)) weak_v2 = 222;
2777 int __attribute__((weak)) weak_v3 = 333;
2778 #endif
2779
2780 void const_func(const int a)
2781 {
2782 }
2783
2784 void const_warn_test(void)
2785 {
2786     const_func(1);
2787 }
2788
2789 struct condstruct {
2790   int i;
2791 };
2792
2793 int getme (struct condstruct *s, int i)
2794 {
2795   int i1 = (i == 0 ? 0 : s)->i;
2796   int i2 = (i == 0 ? s : 0)->i;
2797   int i3 = (i == 0 ? (void*)0 : s)->i;
2798   int i4 = (i == 0 ? s : (void*)0)->i;
2799   return i1 + i2 + i3 + i4;
2800 }
2801
2802 struct global_data
2803 {
2804   int a[40];
2805   int *b[40];
2806 };
2807
2808 struct global_data global_data;
2809
2810 int global_data_getstuff (int *, int);
2811
2812 void global_data_callit (int i)
2813 {
2814   *global_data.b[i] = global_data_getstuff (global_data.b[i], 1);
2815 }
2816
2817 int global_data_getstuff (int *p, int i)
2818 {
2819   return *p + i;
2820 }
2821
2822 void global_data_test (void)
2823 {
2824   global_data.a[0] = 42;
2825   global_data.b[0] = &global_data.a[0];
2826   global_data_callit (0);
2827   printf ("%d\n", global_data.a[0]);
2828 }
2829
2830 struct cmpcmpS
2831 {
2832   unsigned char fill : 3;
2833   unsigned char b1 : 1;
2834   unsigned char b2 : 1;
2835   unsigned char fill2 : 3;
2836 };
2837
2838 int glob1, glob2, glob3;
2839
2840 void compare_comparisons (struct cmpcmpS *s)
2841 {
2842   if (s->b1 != (glob1 == glob2)
2843       || (s->b2 != (glob1 == glob3)))
2844     printf ("comparing comparisons broken\n");
2845 }
2846
2847 void cmp_comparison_test(void)
2848 {
2849   struct cmpcmpS s;
2850   s.b1 = 1;
2851   glob1 = 42; glob2 = 42;
2852   s.b2 = 0;
2853   glob3 = 43;
2854   compare_comparisons (&s);
2855 }
2856
2857 int fcompare (double a, double b, int code)
2858 {
2859   switch (code) {
2860     case 0: return a == b;
2861     case 1: return a != b;
2862     case 2: return a < b;
2863     case 3: return a >= b;
2864     case 4: return a > b;
2865     case 5: return a <= b;
2866   }
2867 }
2868
2869 void math_cmp_test(void)
2870 {
2871   double nan = 0.0/0.0;
2872   double one = 1.0;
2873   double two = 2.0;
2874   int comp = 0;
2875 #define bug(a,b,op,iop,part) printf("Test broken: %s %s %s %s %d\n", #a, #b, #op, #iop, part)
2876
2877   /* This asserts that "a op b" is _not_ true, but "a iop b" is true.
2878      And it does this in various ways so that all code generation paths
2879      are checked (generating inverted tests, or non-inverted tests, or
2880      producing a 0/1 value without jumps (that's done in the fcompare
2881      function).  */
2882 #define FCMP(a,b,op,iop,code) \
2883   if (fcompare (a,b,code))    \
2884     bug (a,b,op,iop,1); \
2885   if (a op b) \
2886     bug (a,b,op,iop,2); \
2887   if (a iop b) \
2888     ; \
2889   else \
2890     bug (a,b,op,iop,3); \
2891   if ((a op b) || comp) \
2892     bug (a,b,op,iop,4); \
2893   if ((a iop b) || comp) \
2894     ; \
2895   else \
2896     bug (a,b,op,iop,5);
2897
2898   /* Equality tests.  */
2899   FCMP(nan, nan, ==, !=, 0);
2900   FCMP(one, two, ==, !=, 0);
2901   FCMP(one, one, !=, ==, 1);
2902   /* Non-equality is a bit special.  */
2903   if (!fcompare (nan, nan, 1))
2904     bug (nan, nan, !=, ==, 6);
2905
2906   /* Relational tests on numbers.  */
2907   FCMP(two, one, <, >=, 2);
2908   FCMP(one, two, >=, <, 3);
2909   FCMP(one, two, >, <=, 4);
2910   FCMP(two, one, <=, >, 5);
2911
2912   /* Relational tests on NaNs.  Note that the inverse op here is
2913      always !=, there's no operator in C that is equivalent to !(a < b),
2914      when NaNs are involved, same for the other relational ops.  */
2915   FCMP(nan, nan, <, !=, 2);
2916   FCMP(nan, nan, >=, !=, 3);
2917   FCMP(nan, nan, >, !=, 4);
2918   FCMP(nan, nan, <=, !=, 5);
2919 }
2920
2921 double get100 () { return 100.0; }
2922
2923 void callsave_test(void)
2924 {
2925 #if defined __i386__ || defined __x86_64__ || defined __arm__
2926   int i, s; double *d; double t;
2927   s = sizeof (double);
2928   printf ("callsavetest: %d\n", s);
2929   d = alloca (sizeof(double));
2930   d[0] = 10.0;
2931   /* x86-64 had a bug were the next call to get100 would evict
2932      the lvalue &d[0] as VT_LLOCAL, and the reload would be done
2933      in int type, not pointer type.  When alloca returns a pointer
2934      with the high 32 bit set (which is likely on x86-64) the access
2935      generates a segfault.  */
2936   i = d[0] > get100 ();
2937   printf ("%d\n", i);
2938 #endif
2939 }
2940
2941
2942 void bfa3(ptrdiff_t str_offset)
2943 {
2944     printf("bfa3: %s\n", (char *)__builtin_frame_address(3) + str_offset);
2945 }
2946 void bfa2(ptrdiff_t str_offset)
2947 {
2948     printf("bfa2: %s\n", (char *)__builtin_frame_address(2) + str_offset);
2949     bfa3(str_offset);
2950 }
2951 void bfa1(ptrdiff_t str_offset)
2952 {
2953     printf("bfa1: %s\n", (char *)__builtin_frame_address(1) + str_offset);
2954     bfa2(str_offset);
2955 }
2956
2957 void builtin_frame_address_test(void)
2958 {
2959 /* builtin_frame_address fails on ARM with gcc which make test3 fail */
2960 #ifndef __arm__
2961     char str[] = "__builtin_frame_address";
2962     char *fp0 = __builtin_frame_address(0);
2963
2964     printf("str: %s\n", str);
2965     bfa1(str-fp0);
2966 #endif
2967 }
2968
2969 char via_volatile (char i)
2970 {
2971   char volatile vi;
2972   vi = i;
2973   return vi;
2974 }
2975
2976 struct __attribute__((__packed__)) Spacked {
2977     char a;
2978     short b;
2979     int c;
2980 };
2981 struct Spacked spacked;
2982 typedef struct __attribute__((__packed__)) {
2983     char a;
2984     short b;
2985     int c;
2986 } Spacked2;
2987 Spacked2 spacked2;
2988 #ifdef BROKEN
2989 /* This doesn't work for now.  Requires adjusting field offsets/sizes
2990    after parsing the struct members.  */
2991 typedef struct Spacked3_s {
2992     char a;
2993     short b;
2994     int c;
2995 } __attribute__((__packed__)) Spacked3;
2996 Spacked3 spacked3;
2997 #endif
2998 void attrib_test(void)
2999 {
3000   printf("attr: %d %d %d %d\n", sizeof(struct Spacked),
3001          sizeof(spacked), sizeof(Spacked2), sizeof(spacked2));
3002 #ifdef BROKEN
3003   printf("attr: %d %d\n", sizeof(Spacked3), sizeof(spacked3));
3004 #endif
3005 }