tcctest.c

   1 /*
   2  * TCC auto test program
   3  */
   4 #include <tcclib.h>
   5
   6 /* Unfortunately, gcc version < 3 does not handle that! */
   7 //#define ALL_ISOC99
   8
   9 /* only gcc 3 handles _Bool correctly */
  10 //#define BOOL_ISOC99
  11
  12 #define C99_MACROS
  13
  14 void string_test();
  15 void expr_test();
  16 void macro_test();
  17 void scope_test();
  18 void forward_test();
  19 void funcptr_test();
  20 void loop_test();
  21 void switch_test();
  22 void goto_test();
  23 void enum_test();
  24 void typedef_test();
  25 void struct_test();
  26 void array_test();
  27 void expr_ptr_test();
  28 void bool_test();
  29 void expr2_test();
  30 void constant_expr_test();
  31 void expr_cmp_test();
  32 void char_short_test();
  33 void init_test(void);
  34 void compound_literal_test(void);
  35 int kr_test();
  36 void struct_assign_test(void);
  37 void cast_test(void);
  38 void bitfield_test(void);
  39 void c99_bool_test(void);
  40 void float_test(void);
  41 void longlong_test(void);
  42
  43 int fib(int n);
  44 void num(int n);
  45 void forward_ref(void);
  46 int isid(int c);
  47
  48 #define A 2
  49 #define N 1234 + A
  50 #define pf printf
  51 #define M1(a, b)  (a) + (b)
  52
  53 #define str(s) # s
  54 #define glue(a, b) a ## b
  55 #define xglue(a, b) glue(a, b)
  56 #define HIGHLOW "hello"
  57 #define LOW LOW ", world"
  58
  59 #define min(a, b) ((a) < (b) ? (a) : (b))
  60
  61 #ifdef C99_MACROS
  62 #define dprintf(level,...) printf(__VA_ARGS__)
  63 #endif
  64
  65 /* gcc vararg macros */
  66 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
  67
  68 #define MACRO_NOARGS()
  69
  70 #define AAA 3
  71 #undef AAA
  72 #define AAA 4
  73
  74 #if 1
  75 #define B3 1
  76 #elif 1
  77 #define B3 2
  78 #elif 0
  79 #define B3 3
  80 #else
  81 #define B3 4
  82 #endif
  83
  84 void macro_test()
  85 {
  86     printf("macro:\n");
  87     pf("N=%d\n", N);
  88     printf("aaa=%d\n", AAA);
  89
  90     printf("min=%d\n", min(1, min(2, -1)));
  91
  92     printf("s1=%s\n", glue(HIGH, LOW));
  93     printf("s2=%s\n", xglue(HIGH, LOW));
  94     printf("s3=%s\n", str("c"));
  95     printf("s4=%s\n", str(a1));
  96     printf("B3=%d\n", B3);
  97
  98 #ifdef A
  99     printf("A defined\n");
 100 #endif
 101 #ifdef B
 102     printf("B defined\n");
 103 #endif
 104 #ifdef A
 105     printf("A defined\n");
 106 #else
 107     printf("A not defined\n");
 108 #endif
 109 #ifdef B
 110     printf("B defined\n");
 111 #else
 112     printf("B not defined\n");
 113 #endif
 114
 115 #ifdef A
 116     printf("A defined\n");
 117 #ifdef B
 118     printf("B1 defined\n");
 119 #else
 120     printf("B1 not defined\n");
 121 #endif
 122 #else
 123     printf("A not defined\n");
 124 #ifdef B
 125     printf("B2 defined\n");
 126 #else
 127     printf("B2 not defined\n");
 128 #endif
 129 #endif
 130
 131 #if 1+1
 132     printf("test true1\n");
 133 #endif
 134 #if 0
 135     printf("test true2\n");
 136 #endif
 137 #if 1-1
 138     printf("test true3\n");
 139 #endif
 140 #if defined(A)
 141     printf("test trueA\n");
 142 #endif
 143 #if defined(B)
 144     printf("test trueB\n");
 145 #endif
 146
 147 #if 0
 148     printf("test 0\n");
 149 #elif 0
 150     printf("test 1\n");
 151 #elif 2
 152     printf("test 2\n");
 153 #else
 154     printf("test 3\n");
 155 #endif
 156
 157     MACRO_NOARGS();
 158
 159     printf("__LINE__=%d __FILE__=%s\n",
 160            __LINE__, __FILE__);
 161     /* not strictly preprocessor, but we test it there */
 162 #ifdef C99_MACROS
 163     printf("__func__ = %s\n", __func__);
 164     dprintf(1, "vaarg=%d\n", 1);
 165 #endif
 166     dprintf1(1, "vaarg1\n");
 167     dprintf1(1, "vaarg1=%d\n", 2);
 168     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 169 }
 170
 171 int op(a,b)
 172 {
 173     return a / b;
 174 }
 175
 176 int ret(a)
 177 {
 178     if (a == 2)
 179         return 1;
 180     if (a == 3)
 181         return 2;
 182     return 0;
 183 }
 184
 185 void ps(char *s)
 186 {
 187     int c;
 188     while (1) {
 189         c = *s;
 190         if (c == 0)
 191             break;
 192         printf("%c", c);
 193         s++;
 194     }
 195 }
 196
 197 void string_test()
 198 {
 199     int b;
 200     printf("string:\n");
 201     printf("\141\1423\143\n");/* dezdez test */
 202     printf("\x41\x42\x43\x3a\n");
 203     printf("c=%c\n", 'r');
 204     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 205     printf("wstring=%S\n", L"abc");
 206     printf("wstring=%S\n", L"abc" L"def" "ghi");
 207     printf("'\\377'=%d '\xff'=%d\n", '\377', '\xff');
 208     printf("L'\\377'=%d L'\xff'=%d\n", L'\377', L'\xff');
 209     ps("test\n");
 210     b = 32;
 211     while ((b = b + 1) < 96) {
 212         printf("%c", b);
 213     }
 214     printf("\n");
 215     printf("fib=%d\n", fib(33));
 216     b = 262144;
 217     while (b != 0x80000000) {
 218         num(b);
 219         b = b * 2;
 220     }
 221 }
 222
 223 void loop_test()
 224 {
 225     int i;
 226     i = 0;
 227     while (i < 10)
 228         printf("%d", i++);
 229     printf("\n");
 230     for(i = 0; i < 10;i++)
 231         printf("%d", i);
 232     printf("\n");
 233     i = 0;
 234     do {
 235         printf("%d", i++);
 236     } while (i < 10);
 237     printf("\n");
 238
 239     /* break/continue tests */
 240     i = 0;
 241     while (1) {
 242         if (i == 6)
 243             break;
 244         i++;
 245         if (i == 3)
 246             continue;
 247         printf("%d", i);
 248     }
 249     printf("\n");
 250
 251     /* break/continue tests */
 252     i = 0;
 253     do {
 254         if (i == 6)
 255             break;
 256         i++;
 257         if (i == 3)
 258             continue;
 259         printf("%d", i);
 260     } while(1);
 261     printf("\n");
 262
 263     for(i = 0;i < 10;i++) {
 264         if (i == 3)
 265             continue;
 266         printf("%d", i);
 267     }
 268     printf("\n");
 269 }
 270
 271
 272 void goto_test()
 273 {
 274     int i;
 275
 276     printf("goto:\n");
 277     i = 0;
 278  s_loop:
 279     if (i >= 10)
 280         goto s_end;
 281     printf("%d", i);
 282     i++;
 283     goto s_loop;
 284  s_end:
 285     printf("\n");
 286 }
 287
 288 enum {
 289     E0,
 290     E1 = 2,
 291     E2 = 4,
 292     E3,
 293     E4,
 294 };
 295
 296 enum test {
 297     E5 = 1000,
 298 };
 299
 300 void enum_test()
 301 {
 302     enum test b1;
 303     printf("enum:\n%d %d %d %d %d %d\n",
 304            E0, E1, E2, E3, E4, E5);
 305     b1 = 1;
 306     printf("b1=%d\n", b1);
 307 }
 308
 309 typedef int *my_ptr;
 310
 311 void typedef_test()
 312 {
 313     my_ptr a;
 314     int b;
 315     a = &b;
 316     *a = 1234;
 317     printf("typedef:\n");
 318     printf("a=%d\n", *a);
 319 }
 320
 321 void forward_test()
 322 {
 323     printf("forward:\n");
 324     forward_ref();
 325     forward_ref();
 326 }
 327
 328
 329 void forward_ref(void)
 330 {
 331     printf("forward ok\n");
 332 }
 333
 334 typedef struct struct1 {
 335     int f1;
 336     int f2, f3;
 337     union union1 {
 338         int v1;
 339         int v2;
 340     } u;
 341     char str[3];
 342 } struct1;
 343
 344 struct struct2 {
 345     int a;
 346     char b;
 347 };
 348
 349 union union2 {
 350     int w1;
 351     int w2;
 352 };
 353
 354 struct struct1 st1, st2;
 355
 356 int main(int argc, char **argv)
 357 {
 358     string_test();
 359     expr_test();
 360     macro_test();
 361     scope_test();
 362     forward_test();
 363     funcptr_test();
 364     loop_test();
 365     switch_test();
 366     goto_test();
 367     enum_test();
 368     typedef_test();
 369     struct_test();
 370     array_test();
 371     expr_ptr_test();
 372     bool_test();
 373     expr2_test();
 374     constant_expr_test();
 375     expr_cmp_test();
 376     char_short_test();
 377     init_test();
 378     compound_literal_test();
 379     kr_test();
 380     struct_assign_test();
 381     cast_test();
 382     bitfield_test();
 383     c99_bool_test();
 384     float_test();
 385     longlong_test();
 386     return 0;
 387 }
 388
 389 int tab[3];
 390 int tab2[3][2];
 391
 392 int g;
 393
 394 void f1(g)
 395 {
 396     printf("g1=%d\n", g);
 397 }
 398
 399 void scope_test()
 400 {
 401     printf("scope:\n");
 402     g = 2;
 403     f1(1);
 404     printf("g2=%d\n", g);
 405     {
 406         int g;
 407         g = 3;
 408         printf("g3=%d\n", g);
 409         {
 410             int g;
 411             g = 4;
 412             printf("g4=%d\n", g);
 413         }
 414     }
 415     printf("g5=%d\n", g);
 416 }
 417
 418 void array_test(int a[4])
 419 {
 420     int i, j;
 421
 422     printf("array:\n");
 423     printf("sizeof(a) = %d\n", sizeof(a));
 424     printf("sizeof(int) = %d\n", sizeof(int));
 425     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
 426     printf("sizeof(short) = %d\n", sizeof(short));
 427     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
 428     printf("sizeof(char) = %d\n", sizeof(char));
 429     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
 430     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 431     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 432     printf("sizeof tab %d\n", sizeof(tab));
 433     printf("sizeof tab2 %d\n", sizeof tab2);
 434     tab[0] = 1;
 435     tab[1] = 2;
 436     tab[2] = 3;
 437     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 438     for(i=0;i<3;i++)
 439         for(j=0;j<2;j++)
 440             tab2[i][j] = 10 * i + j;
 441     for(i=0;i<3*2;i++) {
 442         printf(" %3d", ((int *)tab2)[i]);
 443     }
 444     printf("\n");
 445 }
 446
 447 void expr_test()
 448 {
 449     int a, b;
 450     a = 0;
 451     printf("%d\n", a += 1);
 452     printf("%d\n", a -= 2);
 453     printf("%d\n", a *= 31232132);
 454     printf("%d\n", a /= 4);
 455     printf("%d\n", a %= 20);
 456     printf("%d\n", a &= 6);
 457     printf("%d\n", a ^= 7);
 458     printf("%d\n", a |= 8);
 459     printf("%d\n", a >>= 3);
 460     printf("%d\n", a <<= 4);
 461
 462     a = 22321;
 463     b = -22321;
 464     printf("%d\n", a + 1);
 465     printf("%d\n", a - 2);
 466     printf("%d\n", a * 312);
 467     printf("%d\n", a / 4);
 468     printf("%d\n", b / 4);
 469     printf("%d\n", (unsigned)b / 4);
 470     printf("%d\n", a % 20);
 471     printf("%d\n", b % 20);
 472     printf("%d\n", (unsigned)b % 20);
 473     printf("%d\n", a & 6);
 474     printf("%d\n", a ^ 7);
 475     printf("%d\n", a | 8);
 476     printf("%d\n", a >> 3);
 477     printf("%d\n", b >> 3);
 478     printf("%d\n", (unsigned)b >> 3);
 479     printf("%d\n", a << 4);
 480     printf("%d\n", ~a);
 481     printf("%d\n", -a);
 482     printf("%d\n", +a);
 483
 484     printf("%d\n", 12 + 1);
 485     printf("%d\n", 12 - 2);
 486     printf("%d\n", 12 * 312);
 487     printf("%d\n", 12 / 4);
 488     printf("%d\n", 12 % 20);
 489     printf("%d\n", 12 & 6);
 490     printf("%d\n", 12 ^ 7);
 491     printf("%d\n", 12 | 8);
 492     printf("%d\n", 12 >> 2);
 493     printf("%d\n", 12 << 4);
 494     printf("%d\n", ~12);
 495     printf("%d\n", -12);
 496     printf("%d\n", +12);
 497     printf("%d %d %d %d\n",
 498            isid('a'),
 499            isid('g'),
 500            isid('T'),
 501            isid('('));
 502 }
 503
 504 int isid(int c)
 505 {
 506     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 507 }
 508
 509 /**********************/
 510
 511 int vstack[10], *vstack_ptr;
 512
 513 void vpush(int vt, int vc)
 514 {
 515     *vstack_ptr++ = vt;
 516     *vstack_ptr++ = vc;
 517 }
 518
 519 void vpop(int *ft, int *fc)
 520 {
 521     *fc = *--vstack_ptr;
 522     *ft = *--vstack_ptr;
 523 }
 524
 525 void expr2_test()
 526 {
 527     int a, b;
 528
 529     printf("expr2:\n");
 530     vstack_ptr = vstack;
 531     vpush(1432432, 2);
 532     vstack_ptr[-2] &= ~0xffffff80;
 533     vpop(&a, &b);
 534     printf("res= %d %d\n", a, b);
 535 }
 536
 537 void constant_expr_test()
 538 {
 539     int a;
 540     printf("constant_expr:\n");
 541     a = 3;
 542     printf("%d\n", a * 16);
 543     printf("%d\n", a * 1);
 544     printf("%d\n", a + 0);
 545 }
 546
 547 int tab4[10];
 548
 549 void expr_ptr_test()
 550 {
 551     int *p, *q;
 552
 553     printf("expr_ptr:\n");
 554     p = tab4;
 555     q = tab4 + 10;
 556     printf("diff=%d\n", q - p);
 557     p++;
 558     printf("inc=%d\n", p - tab4);
 559     p--;
 560     printf("dec=%d\n", p - tab4);
 561     ++p;
 562     printf("inc=%d\n", p - tab4);
 563     --p;
 564     printf("dec=%d\n", p - tab4);
 565     printf("add=%d\n", p + 3 - tab4);
 566     printf("add=%d\n", 3 + p - tab4);
 567 }
 568
 569 void expr_cmp_test()
 570 {
 571     int a, b;
 572     printf("constant_expr:\n");
 573     a = -1;
 574     b = 1;
 575     printf("%d\n", a == a);
 576     printf("%d\n", a != a);
 577
 578     printf("%d\n", a < b);
 579     printf("%d\n", a <= b);
 580     printf("%d\n", a <= a);
 581     printf("%d\n", b >= a);
 582     printf("%d\n", a >= a);
 583     printf("%d\n", b > a);
 584
 585     printf("%d\n", (unsigned)a < b);
 586     printf("%d\n", (unsigned)a <= b);
 587     printf("%d\n", (unsigned)a <= a);
 588     printf("%d\n", (unsigned)b >= a);
 589     printf("%d\n", (unsigned)a >= a);
 590     printf("%d\n", (unsigned)b > a);
 591 }
 592
 593 void struct_test()
 594 {
 595     struct1 *s;
 596     union union2 u;
 597
 598     printf("struct:\n");
 599     printf("sizes: %d %d %d %d\n",
 600            sizeof(struct struct1),
 601            sizeof(struct struct2),
 602            sizeof(union union1),
 603            sizeof(union union2));
 604     st1.f1 = 1;
 605     st1.f2 = 2;
 606     st1.f3 = 3;
 607     printf("st1: %d %d %d\n",
 608            st1.f1, st1.f2, st1.f3);
 609     st1.u.v1 = 1;
 610     st1.u.v2 = 2;
 611     printf("union1: %d\n", st1.u.v1);
 612     u.w1 = 1;
 613     u.w2 = 2;
 614     printf("union2: %d\n", u.w1);
 615     s = &st2;
 616     s->f1 = 3;
 617     s->f2 = 2;
 618     s->f3 = 1;
 619     printf("st2: %d %d %d\n",
 620            s->f1, s->f2, s->f3);
 621     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 622 }
 623
 624 /* XXX: depend on endianness */
 625 void char_short_test()
 626 {
 627     int var1, var2;
 628
 629     printf("char_short:\n");
 630
 631     var1 = 0x01020304;
 632     var2 = 0xfffefdfc;
 633     printf("s8=%d %d\n",
 634            *(char *)&var1, *(char *)&var2);
 635     printf("u8=%d %d\n",
 636            *(unsigned char *)&var1, *(unsigned char *)&var2);
 637     printf("s16=%d %d\n",
 638            *(short *)&var1, *(short *)&var2);
 639     printf("u16=%d %d\n",
 640            *(unsigned short *)&var1, *(unsigned short *)&var2);
 641     printf("s32=%d %d\n",
 642            *(int *)&var1, *(int *)&var2);
 643     printf("u32=%d %d\n",
 644            *(unsigned int *)&var1, *(unsigned int *)&var2);
 645     *(char *)&var1 = 0x08;
 646     printf("var1=%x\n", var1);
 647     *(short *)&var1 = 0x0809;
 648     printf("var1=%x\n", var1);
 649     *(int *)&var1 = 0x08090a0b;
 650     printf("var1=%x\n", var1);
 651 }
 652
 653 /******************/
 654
 655 typedef struct Sym {
 656     int v;
 657     int t;
 658     int c;
 659     struct Sym *next;
 660     struct Sym *prev;
 661 } Sym;
 662
 663 void bool_test()
 664 {
 665     int *s, a, b;
 666
 667     a = 0;
 668     s = (void*)0;
 669     printf("!s=%d\n", !s);
 670
 671     if (!s || !s[0])
 672         a = 1;
 673     printf("a=%d\n", a);
 674
 675     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
 676     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
 677     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
 678 #if 1 && 1
 679     printf("a1\n");
 680 #endif
 681 #if 1 || 0
 682     printf("a2\n");
 683 #endif
 684 #if 1 ? 0 : 1
 685     printf("a3\n");
 686 #endif
 687 #if 0 ? 0 : 1
 688     printf("a4\n");
 689 #endif
 690
 691     a = 4;
 692     printf("b=%d\n", a + (0 ? 1 : a / 2));
 693
 694     /* test register spilling */
 695     a = 10;
 696     b = 10;
 697     a = (a + b) * ((a < b) ?
 698                    ((b - a) * (a - b)): a + b);
 699     printf("a=%d\n", a);
 700 }
 701
 702
 703 int cinit1 = 0;
 704 int *cinit2 = (int []){3, 2, 1};
 705
 706 void compound_literal_test(void)
 707 {
 708     int *p, i;
 709     char *q, *q3;
 710
 711     printf("compound_test:\n");
 712
 713     p = (int []){1, 2, 3};
 714     for(i=0;i<3;i++)
 715         printf(" %d", p[i]);
 716     printf("\n");
 717
 718     for(i=0;i<3;i++)
 719         printf("%d", cinit2[i]);
 720     printf("\n");
 721
 722     q = "tralala1";
 723     printf("q1=%s\n", q);
 724
 725     q = (char *){ "tralala2" };
 726     printf("q2=%s\n", q);
 727
 728     q3 = (char *){ q };
 729     printf("q3=%s\n", q3);
 730
 731     q = (char []){ "tralala3" };
 732     printf("q4=%s\n", q);
 733
 734 #ifdef ALL_ISOC99
 735     p = (int []){1, 2, cinit1 + 3};
 736     for(i=0;i<3;i++)
 737         printf(" %d", p[i]);
 738     printf("\n");
 739
 740     for(i=0;i<3;i++) {
 741         p = (int []){1, 2, 4 + i};
 742         printf("%d %d %d\n",
 743                p[0],
 744                p[1],
 745                p[2]);
 746     }
 747 #endif
 748 }
 749
 750 /* K & R protos */
 751
 752 kr_func1(a, b)
 753 {
 754     return a + b;
 755 }
 756
 757 int kr_func2(a, b)
 758 {
 759     return a + b;
 760 }
 761
 762 kr_test()
 763 {
 764     printf("kr_test:\n");
 765     printf("func1=%d\n", kr_func1(3, 4));
 766     printf("func2=%d\n", kr_func2(3, 4));
 767     return 0;
 768 }
 769
 770 void num(int n)
 771 {
 772     char *tab, *p;
 773     tab = (char*)malloc(20);
 774     p = tab;
 775     while (1) {
 776         *p = 48 + (n % 10);
 777         p++;
 778         n = n / 10;
 779         if (n == 0)
 780             break;
 781     }
 782     while (p != tab) {
 783         p--;
 784         printf("%c", *p);
 785     }
 786     printf("\n");
 787 }
 788
 789 /* structure assignment tests */
 790 struct structa1 {
 791     int f1;
 792     char f2;
 793 };
 794
 795 struct structa1 ssta1;
 796
 797 void struct_assign_test1(struct structa1 s1, int t)
 798 {
 799     printf("%d %d %d\n", s1.f1, s1.f2, t);
 800 }
 801
 802 struct structa1 struct_assign_test2(struct structa1 s1, int t)
 803 {
 804     s1.f1 += t;
 805     s1.f2 -= t;
 806     return s1;
 807 }
 808
 809 void struct_assign_test(void)
 810 {
 811     struct structa1 lsta1, lsta2;
 812
 813 #if 0
 814     printf("struct_assign_test:\n");
 815
 816     lsta1.f1 = 1;
 817     lsta1.f2 = 2;
 818     printf("%d %d\n", lsta1.f1, lsta1.f2);
 819     lsta2 = lsta1;
 820     printf("%d %d\n", lsta2.f1, lsta2.f2);
 821 #else
 822     lsta2.f1 = 1;
 823     lsta2.f2 = 2;
 824 #endif
 825     struct_assign_test1(lsta2, 3);
 826
 827     printf("before call: %d %d\n", lsta2.f1, lsta2.f2);
 828     lsta2 = struct_assign_test2(lsta2, 4);
 829     printf("after call: %d %d\n", lsta2.f1, lsta2.f2);
 830 }
 831
 832 /* casts to short/char */
 833
 834 void cast1(char a, short b, unsigned char c, unsigned short d)
 835 {
 836     printf("%d %d %d %d\n", a, b, c, d);
 837 }
 838
 839 char bcast;
 840 short scast;
 841
 842 void cast_test()
 843 {
 844     int a;
 845     char c;
 846     char tab[10];
 847
 848     printf("cast_test:\n");
 849     a = 0xfffff;
 850     cast1(a, a, a, a);
 851     a = 0xffffe;
 852     printf("%d %d %d %d\n",
 853            (char)(a + 1),
 854            (short)(a + 1),
 855            (unsigned char)(a + 1),
 856            (unsigned short)(a + 1));
 857     printf("%d %d %d %d\n",
 858            (char)0xfffff,
 859            (short)0xfffff,
 860            (unsigned char)0xfffff,
 861            (unsigned short)0xfffff);
 862
 863     a = (bcast = 128) + 1;
 864     printf("%d\n", a);
 865     a = (scast = 65536) + 1;
 866     printf("%d\n", a);
 867
 868     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
 869
 870     /* test implicit int casting for array accesses */
 871     c = 0;
 872     tab[1] = 2;
 873     tab[c] = 1;
 874     printf("%d %d\n", tab[0], tab[1]);
 875
 876     /* test implicit casting on some operators */
 877     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
 878     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
 879     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
 880 }
 881
 882 /* initializers tests */
 883 struct structinit1 {
 884     int f1;
 885     char f2;
 886     short f3;
 887     int farray[3];
 888 };
 889
 890 int sinit1 = 2;
 891 int sinit2 = { 3 };
 892 int sinit3[3] = { 1, 2, {{3}}, };
 893 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
 894 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
 895 int sinit6[] = { 1, 2, 3 };
 896 int sinit7[] = { [2] = 3, [0] = 1, 2 };
 897 char sinit8[] = "hello" "trala";
 898
 899 struct structinit1 sinit9 = { 1, 2, 3 };
 900 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
 901 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
 902 #ifdef ALL_ISOC99
 903                                .farray[0] = 10,
 904                                .farray[1] = 11,
 905                                .farray[2] = 12,
 906 #endif
 907 };
 908
 909 char *sinit12 = "hello world";
 910 char *sinit13[] = {
 911     "test1",
 912     "test2",
 913     "test3",
 914 };
 915 char sinit14[10] = { "abc" };
 916 int sinit15[3] = { sizeof(sinit15), 1, 2 };
 917
 918 void init_test(void)
 919 {
 920     int linit1 = 2;
 921     int linit2 = { 3 };
 922     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
 923     int linit6[] = { 1, 2, 3 };
 924     int i, j;
 925     char linit8[] = "hello" "trala";
 926     int linit12[10] = { 1, 2 };
 927     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
 928     char linit14[10] = "abc";
 929     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
 930     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
 931     int linit17 = sizeof(linit17);
 932
 933     printf("init_test:\n");
 934
 935     printf("sinit1=%d\n", sinit1);
 936     printf("sinit2=%d\n", sinit2);
 937     printf("sinit3=%d %d %d %d\n",
 938            sizeof(sinit3),
 939            sinit3[0],
 940            sinit3[1],
 941            sinit3[2]
 942            );
 943     printf("sinit6=%d\n", sizeof(sinit6));
 944     printf("sinit7=%d %d %d %d\n",
 945            sizeof(sinit7),
 946            sinit7[0],
 947            sinit7[1],
 948            sinit7[2]
 949            );
 950     printf("sinit8=%s\n", sinit8);
 951     printf("sinit9=%d %d %d\n",
 952            sinit9.f1,
 953            sinit9.f2,
 954            sinit9.f3
 955            );
 956     printf("sinit10=%d %d %d\n",
 957            sinit10.f1,
 958            sinit10.f2,
 959            sinit10.f3
 960            );
 961     printf("sinit11=%d %d %d %d %d %d\n",
 962            sinit11.f1,
 963            sinit11.f2,
 964            sinit11.f3,
 965            sinit11.farray[0],
 966            sinit11.farray[1],
 967            sinit11.farray[2]
 968            );
 969
 970     for(i=0;i<3;i++)
 971         for(j=0;j<2;j++)
 972             printf("[%d][%d] = %d %d %d\n",
 973                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
 974     printf("linit1=%d\n", linit1);
 975     printf("linit2=%d\n", linit2);
 976     printf("linit6=%d\n", sizeof(linit6));
 977     printf("linit8=%d %s\n", sizeof(linit8), linit8);
 978
 979     printf("sinit12=%s\n", sinit12);
 980     printf("sinit13=%d %s %s %s\n",
 981            sizeof(sinit13),
 982            sinit13[0],
 983            sinit13[1],
 984            sinit13[2]);
 985     printf("sinit14=%s\n", sinit14);
 986
 987     for(i=0;i<10;i++) printf(" %d", linit12[i]);
 988     printf("\n");
 989     for(i=0;i<10;i++) printf(" %d", linit13[i]);
 990     printf("\n");
 991     for(i=0;i<10;i++) printf(" %d", linit14[i]);
 992     printf("\n");
 993     for(i=0;i<10;i++) printf(" %d", linit15[i]);
 994     printf("\n");
 995     printf("%d %d %d %d\n",
 996            linit16.a1,
 997            linit16.a2,
 998            linit16.a3,
 999            linit16.a4);
1000     /* test that initialisation is done after variable declare */
1001     printf("linit17=%d\n", linit17);
1002     printf("sinit15=%d\n", sinit15[0]);
1003 }
1004
1005 void switch_test()
1006 {
1007     int i;
1008
1009     for(i=0;i<15;i++) {
1010         switch(i) {
1011         case 0:
1012         case 1:
1013             printf("a");
1014             break;
1015         default:
1016             printf("%d", i);
1017             break;
1018         case 8 ... 12:
1019             printf("c");
1020             break;
1021         case 3:
1022             printf("b");
1023             break;
1024         }
1025     }
1026     printf("\n");
1027 }
1028
1029 /* ISOC99 _Bool type */
1030 void c99_bool_test(void)
1031 {
1032 #ifdef BOOL_ISOC99
1033     int a;
1034     _Bool b;
1035
1036     printf("bool_test:\n");
1037     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1038     a = 3;
1039     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1040     b = 3;
1041     printf("b = %d\n", b);
1042     b++;
1043     printf("b = %d\n", b);
1044 #endif
1045 }
1046
1047 void bitfield_test(void)
1048 {
1049     int a;
1050     struct sbf1 {
1051         int f1 : 3;
1052         int : 2;
1053         int f2 : 1;
1054         int : 0;
1055         int f3 : 5;
1056         int f4 : 7;
1057         unsigned int f5 : 7;
1058     } st1;
1059     printf("bitfield_test:");
1060     printf("sizeof(st1) = %d\n", sizeof(st1));
1061
1062     st1.f1 = 3;
1063     st1.f2 = 1;
1064     st1.f3 = 15;
1065     a = 120;
1066     st1.f4 = a;
1067     st1.f5 = a;
1068     st1.f5++;
1069     printf("%d %d %d %d %d\n",
1070            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1071 }
1072
1073 #define FTEST(prefix, type, fmt)\
1074 void prefix ## cmp(type a, type b)\
1075 {\
1076     printf("%d %d %d %d %d %d\n",\
1077            a == b,\
1078            a != b,\
1079            a < b,\
1080            a > b,\
1081            a >= b,\
1082            a <= b);\
1083     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1084            a,\
1085            b,\
1086            a + b,\
1087            a - b,\
1088            a * b,\
1089            a / b,\
1090            -a);\
1091     printf(fmt "\n", ++a);\
1092     printf(fmt "\n", a++);\
1093     printf(fmt "\n", a);\
1094 }\
1095 void prefix ## fcast(type a)\
1096 {\
1097     float fa;\
1098     double da;\
1099     long double la;\
1100     int ia;\
1101     unsigned int ua;\
1102     type b;\
1103     fa = a;\
1104     da = a;\
1105     la = a;\
1106     printf("ftof: %f %f %Lf\n", fa, da, la);\
1107     ia = (int)a;\
1108     ua = (unsigned int)a;\
1109     printf("ftoi: %d %u\n", ia, ua);\
1110     ia = -1234;\
1111     ua = 0x81234500;\
1112     b = ia;\
1113     printf("itof: " fmt "\n", b);\
1114     b = ua;\
1115     printf("utof: " fmt "\n", b);\
1116 }\
1117 \
1118 void prefix ## test(void)\
1119 {\
1120     printf("testing '%s'\n", #type);\
1121     prefix ## cmp(1, 2.5);\
1122     prefix ## cmp(2, 1.5);\
1123     prefix ## cmp(1, 1);\
1124     prefix ## fcast(234.6);\
1125     prefix ## fcast(-2334.6);\
1126 }
1127
1128 FTEST(f, float, "%f")
1129 FTEST(d, double, "%f")
1130 FTEST(ld, long double, "%Lf")
1131
1132 double ftab1[3] = { 1.2, 3.4, -5.6 };
1133
1134
1135 void float_test(void)
1136 {
1137     float fa, fb;
1138     double da, db;
1139     int a;
1140     unsigned int b;
1141
1142     printf("float_test:\n");
1143     printf("sizeof(float) = %d\n", sizeof(float));
1144     printf("sizeof(double) = %d\n", sizeof(double));
1145     printf("sizeof(long double) = %d\n", sizeof(long double));
1146     ftest();
1147     dtest();
1148     ldtest();
1149     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1150     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1151     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1152     da = 123;
1153     printf("da=%f\n", da);
1154     fa = 123;
1155     printf("fa=%f\n", fa);
1156     a = 4000000000;
1157     da = a;
1158     printf("da = %f\n", da);
1159     b = 4000000000;
1160     db = b;
1161     printf("db = %f\n", db);
1162 }
1163
1164 int fib(int n)
1165 {
1166     if (n <= 2)
1167         return 1;
1168     else
1169         return fib(n-1) + fib(n-2);
1170 }
1171
1172 void funcptr_test()
1173 {
1174     void (*func)(int);
1175     int a;
1176     struct {
1177         int dummy;
1178         void (*func)(int);
1179     } st1;
1180
1181     printf("funcptr:\n");
1182     func = &num;
1183     (*func)(12345);
1184     func = num;
1185     a = 1;
1186     a = 1;
1187     func(12345);
1188     /* more complicated pointer computation */
1189     st1.func = num;
1190     st1.func(12346);
1191     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1192     printf("sizeof2 = %d\n", sizeof funcptr_test);
1193     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1194     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1195 }
1196
1197 void lloptest(long long a, long long b)
1198 {
1199     unsigned long long ua, ub;
1200
1201     ua = a;
1202     ub = b;
1203     /* arith */
1204     printf("arith: %Ld %Ld %Ld %Ld %Ld\n",
1205            a + b,
1206            a - b,
1207            a * b,
1208            a / b,
1209            a % b);
1210
1211     /* binary */
1212     printf("bin: %Ld %Ld %Ld\n",
1213            a & b,
1214            a | b,
1215            a ^ b);
1216
1217     /* tests */
1218     printf("test: %d %d %d %d %d %d\n",
1219            a == b,
1220            a != b,
1221            a < b,
1222            a > b,
1223            a >= b,
1224            a <= b);
1225
1226     printf("utest: %d %d %d %d %d %d\n",
1227            ua == ub,
1228            ua != ub,
1229            ua < ub,
1230            ua > ub,
1231            ua >= ub,
1232            ua <= ub);
1233
1234     /* arith2 */
1235     a++;
1236     b++;
1237     printf("arith2: %Ld %Ld\n", a, b);
1238     printf("arith2: %Ld %Ld\n", a++, b++);
1239     printf("arith2: %Ld %Ld\n", --a, --b);
1240     printf("arith2: %Ld %Ld\n", a, b);
1241 }
1242
1243 void llshift(long long a, int b)
1244 {
1245     printf("shift: %Ld %Ld %Ld\n",
1246            (unsigned long long)a >> b,
1247            a >> b,
1248            a << b);
1249     printf("shiftc: %Ld %Ld %Ld\n",
1250            (unsigned long long)a >> 3,
1251            a >> 3,
1252            a << 3);
1253     printf("shiftc: %Ld %Ld %Ld\n",
1254            (unsigned long long)a >> 35,
1255            a >> 35,
1256            a << 35);
1257 }
1258
1259 void llfloat(void)
1260 {
1261     float fa;
1262     double da;
1263     long double lda;
1264     long long la, lb, lc;
1265     unsigned long long ula, ulb, ulc;
1266     la = 0x12345678;
1267     ula = 0x72345678;
1268     la = (la << 20) | 0x12345;
1269     ula = ula << 33;
1270     printf("la=%Ld ula=%Lu\n", la, ula);
1271
1272     fa = la;
1273     da = la;
1274     lda = la;
1275     printf("lltof: %f %f %Lf\n", fa, da, lda);
1276
1277     la = fa;
1278     lb = da;
1279     lc = lda;
1280     printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
1281
1282     fa = ula;
1283     da = ula;
1284     lda = ula;
1285     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1286
1287     ula = fa;
1288     ulb = da;
1289     ulc = lda;
1290     printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
1291 }
1292
1293 long long llfunc1(int a)
1294 {
1295     return a;
1296 }
1297
1298 /* currently not supported, except for typing */
1299 void longlong_test(void)
1300 {
1301     long long a, b, c;
1302     int ia;
1303     unsigned int ua;
1304     printf("longlong_test:\n");
1305     printf("sizeof(long long) = %d\n", sizeof(long long));
1306     ia = -1;
1307     ua = -2;
1308     a = ia;
1309     b = ua;
1310     printf("%Ld %Ld\n", a, b);
1311     printf("%Ld %Ld %Ld %Lx\n",
1312            (long long)1,
1313            (long long)-2,
1314            1LL,
1315            0x1234567812345679);
1316     a = llfunc1(-3);
1317     printf("%Ld\n", a);
1318
1319     lloptest(1000, 23);
1320     lloptest(0xff, 0x1234);
1321     b = 0x72345678 << 10;
1322     lloptest(-3, b);
1323     llshift(0x123, 5);
1324     llshift(-23, 5);
1325     b = 0x72345678 << 10;
1326     llshift(b, 47);
1327
1328     llfloat();
1329 #if 1
1330     b = 0x12345678;
1331     a = -1;
1332     c = a + b;
1333     printf("%Lx\n", c);
1334 #endif
1335 }
1336