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 /* deprecated and no longer supported in gcc 3.3 */
  20 //#define ACCEPT_CR_IN_STRINGS
  21
  22 /* __VA_ARGS__ and __func__ support */
  23 #define C99_MACROS
  24
  25 /* test various include syntaxes */
  26
  27 #define TCCLIB_INC <tcclib.h>
  28 #define TCCLIB_INC1 <tcclib
  29 #define TCCLIB_INC2 h>
  30 #define TCCLIB_INC3 "tcclib"
  31
  32 #include TCCLIB_INC
  33
  34 #include TCCLIB_INC1.TCCLIB_INC2
  35
  36 #include TCCLIB_INC1.h>
  37
  38 /* gcc 3.2 does not accept that (bug ?) */
  39 //#include TCCLIB_INC3 ".h"
  40
  41 #include <tcclib.h>
  42
  43 #include "tcclib.h"
  44
  45 void string_test();
  46 void expr_test();
  47 void macro_test();
  48 void scope_test();
  49 void forward_test();
  50 void funcptr_test();
  51 void loop_test();
  52 void switch_test();
  53 void goto_test();
  54 void enum_test();
  55 void typedef_test();
  56 void struct_test();
  57 void array_test();
  58 void expr_ptr_test();
  59 void bool_test();
  60 void expr2_test();
  61 void constant_expr_test();
  62 void expr_cmp_test();
  63 void char_short_test();
  64 void init_test(void);
  65 void compound_literal_test(void);
  66 int kr_test();
  67 void struct_assign_test(void);
  68 void cast_test(void);
  69 void bitfield_test(void);
  70 void c99_bool_test(void);
  71 void float_test(void);
  72 void longlong_test(void);
  73 void manyarg_test(void);
  74 void stdarg_test(void);
  75 void whitespace_test(void);
  76 void relocation_test(void);
  77 void old_style_function(void);
  78 void alloca_test(void);
  79 void sizeof_test(void);
  80 void typeof_test(void);
  81 void local_label_test(void);
  82 void statement_expr_test(void);
  83 void asm_test(void);
  84 void builtin_test(void);
  85 void weak_test(void);
  86
  87 int fib(int n);
  88 void num(int n);
  89 void forward_ref(void);
  90 int isid(int c);
  91
  92 #define A 2
  93 #define N 1234 + A
  94 #define pf printf
  95 #define M1(a, b)  (a) + (b)
  96
  97 #define str\
  98 (s) # s
  99 #define glue(a, b) a ## b
 100 #define xglue(a, b) glue(a, b)
 101 #define HIGHLOW "hello"
 102 #define LOW LOW ", world"
 103
 104 #define min(a, b) ((a) < (b) ? (a) : (b))
 105
 106 #ifdef C99_MACROS
 107 #define dprintf(level,...) printf(__VA_ARGS__)
 108 #endif
 109
 110 /* gcc vararg macros */
 111 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
 112
 113 #define MACRO_NOARGS()
 114
 115 #define AAA 3
 116 #undef AAA
 117 #define AAA 4
 118
 119 #if 1
 120 #define B3 1
 121 #elif 1
 122 #define B3 2
 123 #elif 0
 124 #define B3 3
 125 #else
 126 #define B3 4
 127 #endif
 128
 129 #define __INT64_C(c)    c ## LL
 130 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 131
 132 int qq(int x)
 133 {
 134     return x + 40;
 135 }
 136 #define qq(x) x
 137
 138 #define spin_lock(lock) do { } while (0)
 139 #define wq_spin_lock spin_lock
 140 #define TEST2() wq_spin_lock(a)
 141
 142 void macro_test(void)
 143 {
 144     printf("macro:\n");\f\v
 145     pf("N=%d\n", N);
 146     printf("aaa=%d\n", AAA);
 147
 148     printf("min=%d\n", min(1, min(2, -1)));
 149
 150     printf("s1=%s\n", glue(HIGH, LOW));
 151     printf("s2=%s\n", xglue(HIGH, LOW));
 152     printf("s3=%s\n", str("c"));
 153     printf("s4=%s\n", str(a1));
 154     printf("B3=%d\n", B3);
 155
 156 #ifdef A
 157     printf("A defined\n");
 158 #endif
 159 #ifdef B
 160     printf("B defined\n");
 161 #endif
 162 #ifdef A
 163     printf("A defined\n");
 164 #else
 165     printf("A not defined\n");
 166 #endif
 167 #ifdef B
 168     printf("B defined\n");
 169 #else
 170     printf("B not defined\n");
 171 #endif
 172
 173 #ifdef A
 174     printf("A defined\n");
 175 #ifdef B
 176     printf("B1 defined\n");
 177 #else
 178     printf("B1 not defined\n");
 179 #endif
 180 #else
 181     printf("A not defined\n");
 182 #ifdef B
 183     printf("B2 defined\n");
 184 #else
 185     printf("B2 not defined\n");
 186 #endif
 187 #endif
 188
 189 #if 1+1
 190     printf("test true1\n");
 191 #endif
 192 #if 0
 193     printf("test true2\n");
 194 #endif
 195 #if 1-1
 196     printf("test true3\n");
 197 #endif
 198 #if defined(A)
 199     printf("test trueA\n");
 200 #endif
 201 #if defined(B)
 202     printf("test trueB\n");
 203 #endif
 204
 205 #if 0
 206     printf("test 0\n");
 207 #elif 0
 208     printf("test 1\n");
 209 #elif 2
 210     printf("test 2\n");
 211 #else
 212     printf("test 3\n");
 213 #endif
 214
 215     MACRO_NOARGS();
 216
 217 #ifdef __LINE__
 218     printf("__LINE__ defined\n");
 219 #endif
 220
 221     printf("__LINE__=%d __FILE__=%s\n",
 222            __LINE__, __FILE__);
 223 #line 200
 224     printf("__LINE__=%d __FILE__=%s\n",
 225            __LINE__, __FILE__);
 226 #line 203 "test"
 227     printf("__LINE__=%d __FILE__=%s\n",
 228            __LINE__, __FILE__);
 229 #line 227 "tcctest.c"
 230
 231     /* not strictly preprocessor, but we test it there */
 232 #ifdef C99_MACROS
 233     printf("__func__ = %s\n", __func__);
 234     dprintf(1, "vaarg=%d\n", 1);
 235 #endif
 236     dprintf1(1, "vaarg1\n");
 237     dprintf1(1, "vaarg1=%d\n", 2);
 238     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 239
 240     /* gcc extension */
 241     printf("func='%s'\n", __FUNCTION__);
 242
 243     /* complicated macros in glibc */
 244     printf("INT64_MIN=%Ld\n", INT64_MIN);
 245     {
 246         int a;
 247         a = 1;
 248         glue(a+, +);
 249         printf("a=%d\n", a);
 250         glue(a <, <= 2);
 251         printf("a=%d\n", a);
 252     }
 253
 254     /* macro function with argument outside the macro string */
 255 #define MF_s MF_hello
 256 #define MF_hello(msg) printf("%s\n",msg)
 257
 258 #define MF_t printf("tralala\n"); MF_hello
 259
 260     MF_s("hi");
 261     MF_t("hi");
 262
 263     /* test macro substituion inside args (should not eat stream) */
 264     printf("qq=%d\n", qq(qq)(2));
 265
 266     /* test zero argument case. NOTE: gcc 2.95.x does not accept a
 267        null argument without a space. gcc 3.2 fixes that. */
 268
 269 #define qq1(x) 1
 270     printf("qq1=%d\n", qq1( ));
 271
 272     /* comment with stray handling *\
 273 /
 274        /* this is a valid *\/ comment */
 275        /* this is a valid comment *\*/
 276     //  this is a valid\
 277 comment
 278
 279     /* test function macro substitution when the function name is
 280        substituted */
 281     TEST2();
 282 }
 283
 284 int op(a,b)
 285 {
 286     return a / b;
 287 }
 288
 289 int ret(a)
 290 {
 291     if (a == 2)
 292         return 1;
 293     if (a == 3)
 294         return 2;
 295     return 0;
 296 }
 297
 298 void ps(const char *s)
 299 {
 300     int c;
 301     while (1) {
 302         c = *s;
 303         if (c == 0)
 304             break;
 305         printf("%c", c);
 306         s++;
 307     }
 308 }
 309
 310 const char foo1_string[] = "\
 311 bar\n\
 312 test\14\
 313 1";
 314
 315 void string_test()
 316 {
 317     unsigned int b;
 318     printf("string:\n");
 319     printf("\141\1423\143\n");/* dezdez test */
 320     printf("\x41\x42\x43\x3a\n");
 321     printf("c=%c\n", 'r');
 322     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 323     printf("foo1_string='%s'\n", foo1_string);
 324 #if 0
 325     printf("wstring=%S\n", L"abc");
 326     printf("wstring=%S\n", L"abc" L"def" "ghi");
 327     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 328     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 329 #endif
 330     ps("test\n");
 331     b = 32;
 332     while ((b = b + 1) < 96) {
 333         printf("%c", b);
 334     }
 335     printf("\n");
 336     printf("fib=%d\n", fib(33));
 337     b = 262144;
 338     while (b != 0x80000000) {
 339         num(b);
 340         b = b * 2;
 341     }
 342 }
 343
 344 void loop_test()
 345 {
 346     int i;
 347     i = 0;
 348     while (i < 10)
 349         printf("%d", i++);
 350     printf("\n");
 351     for(i = 0; i < 10;i++)
 352         printf("%d", i);
 353     printf("\n");
 354     i = 0;
 355     do {
 356         printf("%d", i++);
 357     } while (i < 10);
 358     printf("\n");
 359
 360     /* break/continue tests */
 361     i = 0;
 362     while (1) {
 363         if (i == 6)
 364             break;
 365         i++;
 366         if (i == 3)
 367             continue;
 368         printf("%d", i);
 369     }
 370     printf("\n");
 371
 372     /* break/continue tests */
 373     i = 0;
 374     do {
 375         if (i == 6)
 376             break;
 377         i++;
 378         if (i == 3)
 379             continue;
 380         printf("%d", i);
 381     } while(1);
 382     printf("\n");
 383
 384     for(i = 0;i < 10;i++) {
 385         if (i == 3)
 386             continue;
 387         printf("%d", i);
 388     }
 389     printf("\n");
 390 }
 391
 392
 393 void goto_test()
 394 {
 395     int i;
 396     static void *label_table[3] = { &&label1, &&label2, &&label3 };
 397
 398     printf("goto:\n");
 399     i = 0;
 400  s_loop:
 401     if (i >= 10)
 402         goto s_end;
 403     printf("%d", i);
 404     i++;
 405     goto s_loop;
 406  s_end:
 407     printf("\n");
 408
 409     /* we also test computed gotos (GCC extension) */
 410     for(i=0;i<3;i++) {
 411         goto *label_table[i];
 412     label1:
 413         printf("label1\n");
 414         goto next;
 415     label2:
 416         printf("label2\n");
 417         goto next;
 418     label3:
 419         printf("label3\n");
 420     next: ;
 421     }
 422 }
 423
 424 enum {
 425     E0,
 426     E1 = 2,
 427     E2 = 4,
 428     E3,
 429     E4,
 430 };
 431
 432 enum test {
 433     E5 = 1000,
 434 };
 435
 436 void enum_test()
 437 {
 438     enum test b1;
 439     printf("enum:\n%d %d %d %d %d %d\n",
 440            E0, E1, E2, E3, E4, E5);
 441     b1 = 1;
 442     printf("b1=%d\n", b1);
 443 }
 444
 445 typedef int *my_ptr;
 446
 447 typedef int mytype1;
 448 typedef int mytype2;
 449
 450 void typedef_test()
 451 {
 452     my_ptr a;
 453     mytype1 mytype2;
 454     int b;
 455
 456     a = &b;
 457     *a = 1234;
 458     printf("typedef:\n");
 459     printf("a=%d\n", *a);
 460     mytype2 = 2;
 461     printf("mytype2=%d\n", mytype2);
 462 }
 463
 464 void forward_test()
 465 {
 466     printf("forward:\n");
 467     forward_ref();
 468     forward_ref();
 469 }
 470
 471
 472 void forward_ref(void)
 473 {
 474     printf("forward ok\n");
 475 }
 476
 477 typedef struct struct1 {
 478     int f1;
 479     int f2, f3;
 480     union union1 {
 481         int v1;
 482         int v2;
 483     } u;
 484     char str[3];
 485 } struct1;
 486
 487 struct struct2 {
 488     int a;
 489     char b;
 490 };
 491
 492 union union2 {
 493     int w1;
 494     int w2;
 495 };
 496
 497 struct struct1 st1, st2;
 498
 499 int main(int argc, char **argv)
 500 {
 501     string_test();
 502     expr_test();
 503     macro_test();
 504     scope_test();
 505     forward_test();
 506     funcptr_test();
 507     loop_test();
 508     switch_test();
 509     goto_test();
 510     enum_test();
 511     typedef_test();
 512     struct_test();
 513     array_test();
 514     expr_ptr_test();
 515     bool_test();
 516     expr2_test();
 517     constant_expr_test();
 518     expr_cmp_test();
 519     char_short_test();
 520     init_test();
 521     compound_literal_test();
 522     kr_test();
 523     struct_assign_test();
 524     cast_test();
 525     bitfield_test();
 526     c99_bool_test();
 527     float_test();
 528     longlong_test();
 529     manyarg_test();
 530     stdarg_test();
 531     whitespace_test();
 532     relocation_test();
 533     old_style_function();
 534     alloca_test();
 535     sizeof_test();
 536     typeof_test();
 537     statement_expr_test();
 538     local_label_test();
 539     asm_test();
 540     builtin_test();
 541     weak_test();
 542     return 0;
 543 }
 544
 545 int tab[3];
 546 int tab2[3][2];
 547
 548 int g;
 549
 550 void f1(g)
 551 {
 552     printf("g1=%d\n", g);
 553 }
 554
 555 void scope_test()
 556 {
 557     printf("scope:\n");
 558     g = 2;
 559     f1(1);
 560     printf("g2=%d\n", g);
 561     {
 562         int g;
 563         g = 3;
 564         printf("g3=%d\n", g);
 565         {
 566             int g;
 567             g = 4;
 568             printf("g4=%d\n", g);
 569         }
 570     }
 571     printf("g5=%d\n", g);
 572 }
 573
 574 void array_test(int a[4])
 575 {
 576     int i, j;
 577
 578     printf("array:\n");
 579     printf("sizeof(a) = %d\n", sizeof(a));
 580     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 581 #ifdef C99_MACROS
 582     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 583 #endif
 584     printf("sizeof tab %d\n", sizeof(tab));
 585     printf("sizeof tab2 %d\n", sizeof tab2);
 586     tab[0] = 1;
 587     tab[1] = 2;
 588     tab[2] = 3;
 589     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 590     for(i=0;i<3;i++)
 591         for(j=0;j<2;j++)
 592             tab2[i][j] = 10 * i + j;
 593     for(i=0;i<3*2;i++) {
 594         printf(" %3d", ((int *)tab2)[i]);
 595     }
 596     printf("\n");
 597     printf("sizeof(size_t)=%d\n", sizeof(size_t));
 598     printf("sizeof(ptrdiff_t)=%d\n", sizeof(ptrdiff_t));
 599 }
 600
 601 void expr_test()
 602 {
 603     int a, b;
 604     a = 0;
 605     printf("%d\n", a += 1);
 606     printf("%d\n", a -= 2);
 607     printf("%d\n", a *= 31232132);
 608     printf("%d\n", a /= 4);
 609     printf("%d\n", a %= 20);
 610     printf("%d\n", a &= 6);
 611     printf("%d\n", a ^= 7);
 612     printf("%d\n", a |= 8);
 613     printf("%d\n", a >>= 3);
 614     printf("%d\n", a <<= 4);
 615
 616     a = 22321;
 617     b = -22321;
 618     printf("%d\n", a + 1);
 619     printf("%d\n", a - 2);
 620     printf("%d\n", a * 312);
 621     printf("%d\n", a / 4);
 622     printf("%d\n", b / 4);
 623     printf("%d\n", (unsigned)b / 4);
 624     printf("%d\n", a % 20);
 625     printf("%d\n", b % 20);
 626     printf("%d\n", (unsigned)b % 20);
 627     printf("%d\n", a & 6);
 628     printf("%d\n", a ^ 7);
 629     printf("%d\n", a | 8);
 630     printf("%d\n", a >> 3);
 631     printf("%d\n", b >> 3);
 632     printf("%d\n", (unsigned)b >> 3);
 633     printf("%d\n", a << 4);
 634     printf("%d\n", ~a);
 635     printf("%d\n", -a);
 636     printf("%d\n", +a);
 637
 638     printf("%d\n", 12 + 1);
 639     printf("%d\n", 12 - 2);
 640     printf("%d\n", 12 * 312);
 641     printf("%d\n", 12 / 4);
 642     printf("%d\n", 12 % 20);
 643     printf("%d\n", 12 & 6);
 644     printf("%d\n", 12 ^ 7);
 645     printf("%d\n", 12 | 8);
 646     printf("%d\n", 12 >> 2);
 647     printf("%d\n", 12 << 4);
 648     printf("%d\n", ~12);
 649     printf("%d\n", -12);
 650     printf("%d\n", +12);
 651     printf("%d %d %d %d\n",
 652            isid('a'),
 653            isid('g'),
 654            isid('T'),
 655            isid('('));
 656 }
 657
 658 int isid(int c)
 659 {
 660     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 661 }
 662
 663 /**********************/
 664
 665 int vstack[10], *vstack_ptr;
 666
 667 void vpush(int vt, int vc)
 668 {
 669     *vstack_ptr++ = vt;
 670     *vstack_ptr++ = vc;
 671 }
 672
 673 void vpop(int *ft, int *fc)
 674 {
 675     *fc = *--vstack_ptr;
 676     *ft = *--vstack_ptr;
 677 }
 678
 679 void expr2_test()
 680 {
 681     int a, b;
 682
 683     printf("expr2:\n");
 684     vstack_ptr = vstack;
 685     vpush(1432432, 2);
 686     vstack_ptr[-2] &= ~0xffffff80;
 687     vpop(&a, &b);
 688     printf("res= %d %d\n", a, b);
 689 }
 690
 691 void constant_expr_test()
 692 {
 693     int a;
 694     printf("constant_expr:\n");
 695     a = 3;
 696     printf("%d\n", a * 16);
 697     printf("%d\n", a * 1);
 698     printf("%d\n", a + 0);
 699 }
 700
 701 int tab4[10];
 702
 703 void expr_ptr_test()
 704 {
 705     int *p, *q;
 706     int i = -1;
 707
 708     printf("expr_ptr:\n");
 709     p = tab4;
 710     q = tab4 + 10;
 711     printf("diff=%d\n", q - p);
 712     p++;
 713     printf("inc=%d\n", p - tab4);
 714     p--;
 715     printf("dec=%d\n", p - tab4);
 716     ++p;
 717     printf("inc=%d\n", p - tab4);
 718     --p;
 719     printf("dec=%d\n", p - tab4);
 720     printf("add=%d\n", p + 3 - tab4);
 721     printf("add=%d\n", 3 + p - tab4);
 722
 723     /* check if 64bit support is ok */
 724     q = p = 0;
 725     q += i;
 726     printf("%p %p %ld\n", q, p, p-q);
 727     printf("%d %d %d %d %d %d\n",
 728            p == q, p != q, p < q, p <= q, p >= q, p > q);
 729     i = 0xf0000000;
 730     p += i;
 731     printf("%p %p %ld\n", q, p, p-q);
 732     printf("%d %d %d %d %d %d\n",
 733            p == q, p != q, p < q, p <= q, p >= q, p > q);
 734     p = (int *)((char *)p + 0xf0000000);
 735     printf("%p %p %ld\n", q, p, p-q);
 736     printf("%d %d %d %d %d %d\n",
 737            p == q, p != q, p < q, p <= q, p >= q, p > q);
 738     p += 0xf0000000;
 739     printf("%p %p %ld\n", q, p, p-q);
 740     printf("%d %d %d %d %d %d\n",
 741            p == q, p != q, p < q, p <= q, p >= q, p > q);
 742     {
 743         struct size12 {
 744             int i, j, k;
 745         };
 746         struct size12 s[2], *sp = s;
 747         int i, j;
 748         sp->i = 42;
 749         sp++;
 750         j = -1;
 751         printf("%d\n", sp[j].i);
 752     }
 753 }
 754
 755 void expr_cmp_test()
 756 {
 757     int a, b;
 758     printf("constant_expr:\n");
 759     a = -1;
 760     b = 1;
 761     printf("%d\n", a == a);
 762     printf("%d\n", a != a);
 763
 764     printf("%d\n", a < b);
 765     printf("%d\n", a <= b);
 766     printf("%d\n", a <= a);
 767     printf("%d\n", b >= a);
 768     printf("%d\n", a >= a);
 769     printf("%d\n", b > a);
 770
 771     printf("%d\n", (unsigned)a < b);
 772     printf("%d\n", (unsigned)a <= b);
 773     printf("%d\n", (unsigned)a <= a);
 774     printf("%d\n", (unsigned)b >= a);
 775     printf("%d\n", (unsigned)a >= a);
 776     printf("%d\n", (unsigned)b > a);
 777 }
 778
 779 struct empty {
 780 };
 781
 782 struct aligntest1 {
 783     char a[10];
 784 };
 785
 786 struct aligntest2 {
 787     int a;
 788     char b[10];
 789 };
 790
 791 struct aligntest3 {
 792     double a, b;
 793 };
 794
 795 struct aligntest4 {
 796     double a[0];
 797 };
 798
 799 void struct_test()
 800 {
 801     struct1 *s;
 802     union union2 u;
 803
 804     printf("struct:\n");
 805     printf("sizes: %d %d %d %d\n",
 806            sizeof(struct struct1),
 807            sizeof(struct struct2),
 808            sizeof(union union1),
 809            sizeof(union union2));
 810     st1.f1 = 1;
 811     st1.f2 = 2;
 812     st1.f3 = 3;
 813     printf("st1: %d %d %d\n",
 814            st1.f1, st1.f2, st1.f3);
 815     st1.u.v1 = 1;
 816     st1.u.v2 = 2;
 817     printf("union1: %d\n", st1.u.v1);
 818     u.w1 = 1;
 819     u.w2 = 2;
 820     printf("union2: %d\n", u.w1);
 821     s = &st2;
 822     s->f1 = 3;
 823     s->f2 = 2;
 824     s->f3 = 1;
 825     printf("st2: %d %d %d\n",
 826            s->f1, s->f2, s->f3);
 827     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 828
 829     /* align / size tests */
 830     printf("aligntest1 sizeof=%d alignof=%d\n",
 831            sizeof(struct aligntest1), __alignof__(struct aligntest1));
 832     printf("aligntest2 sizeof=%d alignof=%d\n",
 833            sizeof(struct aligntest2), __alignof__(struct aligntest2));
 834     printf("aligntest3 sizeof=%d alignof=%d\n",
 835            sizeof(struct aligntest3), __alignof__(struct aligntest3));
 836     printf("aligntest4 sizeof=%d alignof=%d\n",
 837            sizeof(struct aligntest4), __alignof__(struct aligntest4));
 838
 839     /* empty structures (GCC extension) */
 840     printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
 841     printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
 842 }
 843
 844 /* XXX: depend on endianness */
 845 void char_short_test()
 846 {
 847     int var1, var2;
 848
 849     printf("char_short:\n");
 850
 851     var1 = 0x01020304;
 852     var2 = 0xfffefdfc;
 853     printf("s8=%d %d\n",
 854            *(char *)&var1, *(char *)&var2);
 855     printf("u8=%d %d\n",
 856            *(unsigned char *)&var1, *(unsigned char *)&var2);
 857     printf("s16=%d %d\n",
 858            *(short *)&var1, *(short *)&var2);
 859     printf("u16=%d %d\n",
 860            *(unsigned short *)&var1, *(unsigned short *)&var2);
 861     printf("s32=%d %d\n",
 862            *(int *)&var1, *(int *)&var2);
 863     printf("u32=%d %d\n",
 864            *(unsigned int *)&var1, *(unsigned int *)&var2);
 865     *(char *)&var1 = 0x08;
 866     printf("var1=%x\n", var1);
 867     *(short *)&var1 = 0x0809;
 868     printf("var1=%x\n", var1);
 869     *(int *)&var1 = 0x08090a0b;
 870     printf("var1=%x\n", var1);
 871 }
 872
 873 /******************/
 874
 875 typedef struct Sym {
 876     int v;
 877     int t;
 878     int c;
 879     struct Sym *next;
 880     struct Sym *prev;
 881 } Sym;
 882
 883 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 884 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
 885
 886 static int toupper1(int a)
 887 {
 888     return TOUPPER(a);
 889 }
 890
 891 void bool_test()
 892 {
 893     int *s, a, b, t, f, i;
 894
 895     a = 0;
 896     s = (void*)0;
 897     printf("!s=%d\n", !s);
 898
 899     if (!s || !s[0])
 900         a = 1;
 901     printf("a=%d\n", a);
 902
 903     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
 904     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
 905     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
 906 #if 1 && 1
 907     printf("a1\n");
 908 #endif
 909 #if 1 || 0
 910     printf("a2\n");
 911 #endif
 912 #if 1 ? 0 : 1
 913     printf("a3\n");
 914 #endif
 915 #if 0 ? 0 : 1
 916     printf("a4\n");
 917 #endif
 918
 919     a = 4;
 920     printf("b=%d\n", a + (0 ? 1 : a / 2));
 921
 922     /* test register spilling */
 923     a = 10;
 924     b = 10;
 925     a = (a + b) * ((a < b) ?
 926                    ((b - a) * (a - b)): a + b);
 927     printf("a=%d\n", a);
 928
 929     /* test complex || or && expressions */
 930     t = 1;
 931     f = 0;
 932     a = 32;
 933     printf("exp=%d\n", f == (32 <= a && a <= 3));
 934     printf("r=%d\n", (t || f) + (t && f));
 935
 936     /* test ? : cast */
 937     {
 938         int aspect_on;
 939         int aspect_native = 65536;
 940         double bfu_aspect = 1.0;
 941         int aspect;
 942         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
 943             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
 944             printf("aspect=%d\n", aspect);
 945         }
 946     }
 947
 948     /* test ? : GCC extension */
 949     {
 950         static int v1 = 34 ? : -1; /* constant case */
 951         static int v2 = 0 ? : -1; /* constant case */
 952         int a = 30;
 953
 954         printf("%d %d\n", v1, v2);
 955         printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
 956     }
 957
 958     /* again complex expression */
 959     for(i=0;i<256;i++) {
 960         if (toupper1 (i) != TOUPPER (i))
 961             printf("error %d\n", i);
 962     }
 963 }
 964
 965 /* GCC accepts that */
 966 static int tab_reinit[];
 967 static int tab_reinit[10];
 968
 969 //int cinit1; /* a global variable can be defined several times without error ! */
 970 int cinit1;
 971 int cinit1;
 972 int cinit1 = 0;
 973 int *cinit2 = (int []){3, 2, 1};
 974
 975 void compound_literal_test(void)
 976 {
 977     int *p, i;
 978     char *q, *q3;
 979
 980     printf("compound_test:\n");
 981
 982     p = (int []){1, 2, 3};
 983     for(i=0;i<3;i++)
 984         printf(" %d", p[i]);
 985     printf("\n");
 986
 987     for(i=0;i<3;i++)
 988         printf("%d", cinit2[i]);
 989     printf("\n");
 990
 991     q = "tralala1";
 992     printf("q1=%s\n", q);
 993
 994     q = (char *){ "tralala2" };
 995     printf("q2=%s\n", q);
 996
 997     q3 = (char *){ q };
 998     printf("q3=%s\n", q3);
 999
1000     q = (char []){ "tralala3" };
1001     printf("q4=%s\n", q);
1002
1003 #ifdef ALL_ISOC99
1004     p = (int []){1, 2, cinit1 + 3};
1005     for(i=0;i<3;i++)
1006         printf(" %d", p[i]);
1007     printf("\n");
1008
1009     for(i=0;i<3;i++) {
1010         p = (int []){1, 2, 4 + i};
1011         printf("%d %d %d\n",
1012                p[0],
1013                p[1],
1014                p[2]);
1015     }
1016 #endif
1017 }
1018
1019 /* K & R protos */
1020
1021 kr_func1(a, b)
1022 {
1023     return a + b;
1024 }
1025
1026 int kr_func2(a, b)
1027 {
1028     return a + b;
1029 }
1030
1031 kr_test()
1032 {
1033     printf("kr_test:\n");
1034     printf("func1=%d\n", kr_func1(3, 4));
1035     printf("func2=%d\n", kr_func2(3, 4));
1036     return 0;
1037 }
1038
1039 void num(int n)
1040 {
1041     char *tab, *p;
1042     tab = (char*)malloc(20);
1043     p = tab;
1044     while (1) {
1045         *p = 48 + (n % 10);
1046         p++;
1047         n = n / 10;
1048         if (n == 0)
1049             break;
1050     }
1051     while (p != tab) {
1052         p--;
1053         printf("%c", *p);
1054     }
1055     printf("\n");
1056 }
1057
1058 /* structure assignment tests */
1059 struct structa1 {
1060     int f1;
1061     char f2;
1062 };
1063
1064 struct structa1 ssta1;
1065
1066 void struct_assign_test1(struct structa1 s1, int t, float f)
1067 {
1068     printf("%d %d %d %f\n", s1.f1, s1.f2, t, f);
1069 }
1070
1071 struct structa1 struct_assign_test2(struct structa1 s1, int t)
1072 {
1073     s1.f1 += t;
1074     s1.f2 -= t;
1075     return s1;
1076 }
1077
1078 void struct_assign_test(void)
1079 {
1080     struct structa1 lsta1, lsta2;
1081
1082 #if 0
1083     printf("struct_assign_test:\n");
1084
1085     lsta1.f1 = 1;
1086     lsta1.f2 = 2;
1087     printf("%d %d\n", lsta1.f1, lsta1.f2);
1088     lsta2 = lsta1;
1089     printf("%d %d\n", lsta2.f1, lsta2.f2);
1090 #else
1091     lsta2.f1 = 1;
1092     lsta2.f2 = 2;
1093 #endif
1094     struct_assign_test1(lsta2, 3, 4.5);
1095
1096     printf("before call: %d %d\n", lsta2.f1, lsta2.f2);
1097     lsta2 = struct_assign_test2(lsta2, 4);
1098     printf("after call: %d %d\n", lsta2.f1, lsta2.f2);
1099
1100     static struct {
1101         void (*elem)();
1102     } t[] = {
1103         /* XXX: we should allow this even without braces */
1104         { struct_assign_test }
1105     };
1106     printf("%d\n", struct_assign_test == t[0].elem);
1107 }
1108
1109 /* casts to short/char */
1110
1111 void cast1(char a, short b, unsigned char c, unsigned short d)
1112 {
1113     printf("%d %d %d %d\n", a, b, c, d);
1114 }
1115
1116 char bcast;
1117 short scast;
1118
1119 void cast_test()
1120 {
1121     int a;
1122     char c;
1123     char tab[10];
1124     unsigned b,d;
1125     short s;
1126     char *p = NULL;
1127     p -= 0x700000000042;
1128
1129     printf("cast_test:\n");
1130     a = 0xfffff;
1131     cast1(a, a, a, a);
1132     a = 0xffffe;
1133     printf("%d %d %d %d\n",
1134            (char)(a + 1),
1135            (short)(a + 1),
1136            (unsigned char)(a + 1),
1137            (unsigned short)(a + 1));
1138     printf("%d %d %d %d\n",
1139            (char)0xfffff,
1140            (short)0xfffff,
1141            (unsigned char)0xfffff,
1142            (unsigned short)0xfffff);
1143
1144     a = (bcast = 128) + 1;
1145     printf("%d\n", a);
1146     a = (scast = 65536) + 1;
1147     printf("%d\n", a);
1148
1149     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
1150
1151     /* test cast from unsigned to signed short to int */
1152     b = 0xf000;
1153     d = (short)b;
1154     printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
1155     b = 0xf0f0;
1156     d = (char)b;
1157     printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
1158
1159     /* test implicit int casting for array accesses */
1160     c = 0;
1161     tab[1] = 2;
1162     tab[c] = 1;
1163     printf("%d %d\n", tab[0], tab[1]);
1164
1165     /* test implicit casting on some operators */
1166     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
1167     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
1168     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
1169
1170     /* from pointer to integer types */
1171     printf("%d %d %ld %ld %lld %lld\n",
1172            (int)p, (unsigned int)p,
1173            (long)p, (unsigned long)p,
1174            (long long)p, (unsigned long long)p);
1175
1176     /* from integers to pointers */
1177     printf("%p %p %p %p\n",
1178            (void *)a, (void *)b, (void *)c, (void *)d);
1179 }
1180
1181 /* initializers tests */
1182 struct structinit1 {
1183     int f1;
1184     char f2;
1185     short f3;
1186     int farray[3];
1187 };
1188
1189 int sinit1 = 2;
1190 int sinit2 = { 3 };
1191 int sinit3[3] = { 1, 2, {{3}}, };
1192 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1193 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1194 int sinit6[] = { 1, 2, 3 };
1195 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1196 char sinit8[] = "hello" "trala";
1197
1198 struct structinit1 sinit9 = { 1, 2, 3 };
1199 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1200 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1201 #ifdef ALL_ISOC99
1202                                .farray[0] = 10,
1203                                .farray[1] = 11,
1204                                .farray[2] = 12,
1205 #endif
1206 };
1207
1208 char *sinit12 = "hello world";
1209 char *sinit13[] = {
1210     "test1",
1211     "test2",
1212     "test3",
1213 };
1214 char sinit14[10] = { "abc" };
1215 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1216
1217 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1218
1219 struct bar {
1220         char *s;
1221         int len;
1222 } sinit17[] = {
1223         "a1", 4,
1224         "a2", 1
1225 };
1226
1227 int sinit18[10] = {
1228     [2 ... 5] = 20,
1229     2,
1230     [8] = 10,
1231 };
1232
1233 void init_test(void)
1234 {
1235     int linit1 = 2;
1236     int linit2 = { 3 };
1237     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1238     int linit6[] = { 1, 2, 3 };
1239     int i, j;
1240     char linit8[] = "hello" "trala";
1241     int linit12[10] = { 1, 2 };
1242     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1243     char linit14[10] = "abc";
1244     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1245     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1246     int linit17 = sizeof(linit17);
1247
1248     printf("init_test:\n");
1249
1250     printf("sinit1=%d\n", sinit1);
1251     printf("sinit2=%d\n", sinit2);
1252     printf("sinit3=%d %d %d %d\n",
1253            sizeof(sinit3),
1254            sinit3[0],
1255            sinit3[1],
1256            sinit3[2]
1257            );
1258     printf("sinit6=%d\n", sizeof(sinit6));
1259     printf("sinit7=%d %d %d %d\n",
1260            sizeof(sinit7),
1261            sinit7[0],
1262            sinit7[1],
1263            sinit7[2]
1264            );
1265     printf("sinit8=%s\n", sinit8);
1266     printf("sinit9=%d %d %d\n",
1267            sinit9.f1,
1268            sinit9.f2,
1269            sinit9.f3
1270            );
1271     printf("sinit10=%d %d %d\n",
1272            sinit10.f1,
1273            sinit10.f2,
1274            sinit10.f3
1275            );
1276     printf("sinit11=%d %d %d %d %d %d\n",
1277            sinit11.f1,
1278            sinit11.f2,
1279            sinit11.f3,
1280            sinit11.farray[0],
1281            sinit11.farray[1],
1282            sinit11.farray[2]
1283            );
1284
1285     for(i=0;i<3;i++)
1286         for(j=0;j<2;j++)
1287             printf("[%d][%d] = %d %d %d\n",
1288                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1289     printf("linit1=%d\n", linit1);
1290     printf("linit2=%d\n", linit2);
1291     printf("linit6=%d\n", sizeof(linit6));
1292     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1293
1294     printf("sinit12=%s\n", sinit12);
1295     printf("sinit13=%d %s %s %s\n",
1296            sizeof(sinit13),
1297            sinit13[0],
1298            sinit13[1],
1299            sinit13[2]);
1300     printf("sinit14=%s\n", sinit14);
1301
1302     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1303     printf("\n");
1304     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1305     printf("\n");
1306     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1307     printf("\n");
1308     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1309     printf("\n");
1310     printf("%d %d %d %d\n",
1311            linit16.a1,
1312            linit16.a2,
1313            linit16.a3,
1314            linit16.a4);
1315     /* test that initialisation is done after variable declare */
1316     printf("linit17=%d\n", linit17);
1317     printf("sinit15=%d\n", sinit15[0]);
1318     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1319     printf("sinit17=%s %d %s %d\n",
1320            sinit17[0].s, sinit17[0].len,
1321            sinit17[1].s, sinit17[1].len);
1322     for(i=0;i<10;i++)
1323         printf("%x ", sinit18[i]);
1324     printf("\n");
1325 }
1326
1327
1328 void switch_test()
1329 {
1330     int i;
1331
1332     for(i=0;i<15;i++) {
1333         switch(i) {
1334         case 0:
1335         case 1:
1336             printf("a");
1337             break;
1338         default:
1339             printf("%d", i);
1340             break;
1341         case 8 ... 12:
1342             printf("c");
1343             break;
1344         case 3:
1345             printf("b");
1346             break;
1347         }
1348     }
1349     printf("\n");
1350 }
1351
1352 /* ISOC99 _Bool type */
1353 void c99_bool_test(void)
1354 {
1355 #ifdef BOOL_ISOC99
1356     int a;
1357     _Bool b;
1358
1359     printf("bool_test:\n");
1360     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1361     a = 3;
1362     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1363     b = 3;
1364     printf("b = %d\n", b);
1365     b++;
1366     printf("b = %d\n", b);
1367 #endif
1368 }
1369
1370 void bitfield_test(void)
1371 {
1372     int a;
1373     struct sbf1 {
1374         int f1 : 3;
1375         int : 2;
1376         int f2 : 1;
1377         int : 0;
1378         int f3 : 5;
1379         int f4 : 7;
1380         unsigned int f5 : 7;
1381     } st1;
1382     printf("bitfield_test:");
1383     printf("sizeof(st1) = %d\n", sizeof(st1));
1384
1385     st1.f1 = 3;
1386     st1.f2 = 1;
1387     st1.f3 = 15;
1388     a = 120;
1389     st1.f4 = a;
1390     st1.f5 = a;
1391     st1.f5++;
1392     printf("%d %d %d %d %d\n",
1393            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1394
1395     st1.f1 = 7;
1396     if (st1.f1 == -1)
1397         printf("st1.f1 == -1\n");
1398     else
1399         printf("st1.f1 != -1\n");
1400     if (st1.f2 == -1)
1401         printf("st1.f2 == -1\n");
1402     else
1403         printf("st1.f2 != -1\n");
1404
1405     /* bit sizes below must be bigger than 32 since GCC doesn't allow
1406        long-long bitfields whose size is not bigger than int */
1407     struct sbf2 {
1408         long long f1 : 45;
1409         long long : 2;
1410         long long f2 : 35;
1411         unsigned long long f3 : 38;
1412     } st2;
1413     st2.f1 = 0x123456789ULL;
1414     a = 120;
1415     st2.f2 = (long long)a << 25;
1416     st2.f3 = a;
1417     st2.f2++;
1418     printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
1419 }
1420
1421 #ifdef __x86_64__
1422 #define FLOAT_FMT "%f\n"
1423 #else
1424 /* x86's float isn't compatible with GCC */
1425 #define FLOAT_FMT "%.5f\n"
1426 #endif
1427
1428 /* declare strto* functions as they are C99 */
1429 double strtod(const char *nptr, char **endptr);
1430 float strtof(const char *nptr, char **endptr);
1431 long double strtold(const char *nptr, char **endptr);
1432
1433 #define FTEST(prefix, type, fmt)\
1434 void prefix ## cmp(type a, type b)\
1435 {\
1436     printf("%d %d %d %d %d %d\n",\
1437            a == b,\
1438            a != b,\
1439            a < b,\
1440            a > b,\
1441            a >= b,\
1442            a <= b);\
1443     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1444            a,\
1445            b,\
1446            a + b,\
1447            a - b,\
1448            a * b,\
1449            a / b,\
1450            -a);\
1451     printf(fmt "\n", ++a);\
1452     printf(fmt "\n", a++);\
1453     printf(fmt "\n", a);\
1454     b = 0;\
1455     printf("%d %d\n", !a, !b);\
1456 }\
1457 void prefix ## fcast(type a)\
1458 {\
1459     float fa;\
1460     double da;\
1461     long double la;\
1462     int ia;\
1463     unsigned int ua;\
1464     type b;\
1465     fa = a;\
1466     da = a;\
1467     la = a;\
1468     printf("ftof: %f %f %Lf\n", fa, da, la);\
1469     ia = (int)a;\
1470     ua = (unsigned int)a;\
1471     printf("ftoi: %d %u\n", ia, ua);\
1472     ia = -1234;\
1473     ua = 0x81234500;\
1474     b = ia;\
1475     printf("itof: " fmt "\n", b);\
1476     b = ua;\
1477     printf("utof: " fmt "\n", b);\
1478 }\
1479 \
1480 float prefix ## retf(type a) { return a; }\
1481 double prefix ## retd(type a) { return a; }\
1482 long double prefix ## retld(type a) { return a; }\
1483 \
1484 void prefix ## call(void)\
1485 {\
1486     printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
1487     printf("double: %f\n", prefix ## retd(42.123456789));\
1488     printf("long double: %Lf\n", prefix ## retld(42.123456789));\
1489     printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
1490 }\
1491 \
1492 void prefix ## test(void)\
1493 {\
1494     printf("testing '%s'\n", #type);\
1495     prefix ## cmp(1, 2.5);\
1496     prefix ## cmp(2, 1.5);\
1497     prefix ## cmp(1, 1);\
1498     prefix ## fcast(234.6);\
1499     prefix ## fcast(-2334.6);\
1500     prefix ## call();\
1501 }
1502
1503 FTEST(f, float, "%f")
1504 FTEST(d, double, "%f")
1505 FTEST(ld, long double, "%Lf")
1506
1507 double ftab1[3] = { 1.2, 3.4, -5.6 };
1508
1509
1510 void float_test(void)
1511 {
1512     float fa, fb;
1513     double da, db;
1514     int a;
1515     unsigned int b;
1516
1517     printf("float_test:\n");
1518     printf("sizeof(float) = %d\n", sizeof(float));
1519     printf("sizeof(double) = %d\n", sizeof(double));
1520     printf("sizeof(long double) = %d\n", sizeof(long double));
1521     ftest();
1522     dtest();
1523     ldtest();
1524     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1525     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1526     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1527     da = 123;
1528     printf("da=%f\n", da);
1529     fa = 123;
1530     printf("fa=%f\n", fa);
1531     a = 4000000000;
1532     da = a;
1533     printf("da = %f\n", da);
1534     b = 4000000000;
1535     db = b;
1536     printf("db = %f\n", db);
1537 }
1538
1539 int fib(int n)
1540 {
1541     if (n <= 2)
1542         return 1;
1543     else
1544         return fib(n-1) + fib(n-2);
1545 }
1546
1547 void funcptr_test()
1548 {
1549     void (*func)(int);
1550     int a;
1551     struct {
1552         int dummy;
1553         void (*func)(int);
1554     } st1;
1555
1556     printf("funcptr:\n");
1557     func = &num;
1558     (*func)(12345);
1559     func = num;
1560     a = 1;
1561     a = 1;
1562     func(12345);
1563     /* more complicated pointer computation */
1564     st1.func = num;
1565     st1.func(12346);
1566     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1567     printf("sizeof2 = %d\n", sizeof funcptr_test);
1568     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1569     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1570 }
1571
1572 void lloptest(long long a, long long b)
1573 {
1574     unsigned long long ua, ub;
1575
1576     ua = a;
1577     ub = b;
1578     /* arith */
1579     printf("arith: %Ld %Ld %Ld\n",
1580            a + b,
1581            a - b,
1582            a * b);
1583
1584     if (b != 0) {
1585         printf("arith1: %Ld %Ld\n",
1586            a / b,
1587            a % b);
1588     }
1589
1590     /* binary */
1591     printf("bin: %Ld %Ld %Ld\n",
1592            a & b,
1593            a | b,
1594            a ^ b);
1595
1596     /* tests */
1597     printf("test: %d %d %d %d %d %d\n",
1598            a == b,
1599            a != b,
1600            a < b,
1601            a > b,
1602            a >= b,
1603            a <= b);
1604
1605     printf("utest: %d %d %d %d %d %d\n",
1606            ua == ub,
1607            ua != ub,
1608            ua < ub,
1609            ua > ub,
1610            ua >= ub,
1611            ua <= ub);
1612
1613     /* arith2 */
1614     a++;
1615     b++;
1616     printf("arith2: %Ld %Ld\n", a, b);
1617     printf("arith2: %Ld %Ld\n", a++, b++);
1618     printf("arith2: %Ld %Ld\n", --a, --b);
1619     printf("arith2: %Ld %Ld\n", a, b);
1620     b = ub = 0;
1621     printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
1622 }
1623
1624 void llshift(long long a, int b)
1625 {
1626     printf("shift: %Ld %Ld %Ld\n",
1627            (unsigned long long)a >> b,
1628            a >> b,
1629            a << b);
1630     printf("shiftc: %Ld %Ld %Ld\n",
1631            (unsigned long long)a >> 3,
1632            a >> 3,
1633            a << 3);
1634     printf("shiftc: %Ld %Ld %Ld\n",
1635            (unsigned long long)a >> 35,
1636            a >> 35,
1637            a << 35);
1638 }
1639
1640 void llfloat(void)
1641 {
1642     float fa;
1643     double da;
1644     long double lda;
1645     long long la, lb, lc;
1646     unsigned long long ula, ulb, ulc;
1647     la = 0x12345678;
1648     ula = 0x72345678;
1649     la = (la << 20) | 0x12345;
1650     ula = ula << 33;
1651     printf("la=%Ld ula=%Lu\n", la, ula);
1652
1653     fa = la;
1654     da = la;
1655     lda = la;
1656     printf("lltof: %f %f %Lf\n", fa, da, lda);
1657
1658     la = fa;
1659     lb = da;
1660     lc = lda;
1661     printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
1662
1663     fa = ula;
1664     da = ula;
1665     lda = ula;
1666     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1667
1668     ula = fa;
1669     ulb = da;
1670     ulc = lda;
1671     printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
1672 }
1673
1674 long long llfunc1(int a)
1675 {
1676     return a * 2;
1677 }
1678
1679 struct S {
1680     int id;
1681     char item;
1682 };
1683
1684 long long int value(struct S *v)
1685 {
1686     return ((long long int)v->item);
1687 }
1688
1689 void longlong_test(void)
1690 {
1691     long long a, b, c;
1692     int ia;
1693     unsigned int ua;
1694     printf("longlong_test:\n");
1695     printf("sizeof(long long) = %d\n", sizeof(long long));
1696     ia = -1;
1697     ua = -2;
1698     a = ia;
1699     b = ua;
1700     printf("%Ld %Ld\n", a, b);
1701     printf("%Ld %Ld %Ld %Lx\n",
1702            (long long)1,
1703            (long long)-2,
1704            1LL,
1705            0x1234567812345679);
1706     a = llfunc1(-3);
1707     printf("%Ld\n", a);
1708
1709     lloptest(1000, 23);
1710     lloptest(0xff, 0x1234);
1711     b = 0x72345678 << 10;
1712     lloptest(-3, b);
1713     llshift(0x123, 5);
1714     llshift(-23, 5);
1715     b = 0x72345678LL << 10;
1716     llshift(b, 47);
1717
1718     llfloat();
1719 #if 1
1720     b = 0x12345678;
1721     a = -1;
1722     c = a + b;
1723     printf("%Lx\n", c);
1724 #endif
1725
1726     /* long long reg spill test */
1727     {
1728           struct S a;
1729
1730           a.item = 3;
1731           printf("%lld\n", value(&a));
1732     }
1733     lloptest(0x80000000, 0);
1734
1735     /* another long long spill test */
1736     {
1737         long long *p, v;
1738         v = 1;
1739         p = &v;
1740         p[0]++;
1741         printf("%lld\n", *p);
1742     }
1743
1744     a = 68719476720LL;
1745     b = 4294967295LL;
1746     printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
1747
1748     printf("%Ld\n", 0x123456789LLU);
1749 }
1750
1751 void manyarg_test(void)
1752 {
1753     long double ld = 1234567891234LL;
1754     printf("manyarg_test:\n");
1755     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
1756            1, 2, 3, 4, 5, 6, 7, 8,
1757            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
1758     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1759            "%Ld %Ld %f %f\n",
1760            1, 2, 3, 4, 5, 6, 7, 8,
1761            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1762            1234567891234LL, 987654321986LL,
1763            42.0, 43.0);
1764     printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1765            "%Ld %Ld %f %f\n",
1766            ld, 1, 2, 3, 4, 5, 6, 7, 8,
1767            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1768            1234567891234LL, 987654321986LL,
1769            42.0, 43.0);
1770     /* XXX: known bug of x86-64 */
1771 #ifndef __x86_64__
1772     printf("%d %d %d %d %d %d %d %d %Lf\n",
1773            1, 2, 3, 4, 5, 6, 7, 8, ld);
1774     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1775            "%Ld %Ld %f %f %Lf\n",
1776            1, 2, 3, 4, 5, 6, 7, 8,
1777            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1778            1234567891234LL, 987654321986LL,
1779            42.0, 43.0, ld);
1780     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1781            "%Lf %Ld %Ld %f %f %Lf\n",
1782            1, 2, 3, 4, 5, 6, 7, 8,
1783            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1784            ld, 1234567891234LL, 987654321986LL,
1785            42.0, 43.0, ld);
1786 #endif
1787 }
1788
1789 void vprintf1(const char *fmt, ...)
1790 {
1791     va_list ap, aq;
1792     const char *p;
1793     int c, i;
1794     double d;
1795     long long ll;
1796     long double ld;
1797
1798     va_start(aq, fmt);
1799     va_copy(ap, aq);
1800
1801     p = fmt;
1802     for(;;) {
1803         c = *p;
1804         if (c == '\0')
1805             break;
1806         p++;
1807         if (c == '%') {
1808             c = *p;
1809             switch(c) {
1810             case '\0':
1811                 goto the_end;
1812             case 'd':
1813                 i = va_arg(ap, int);
1814                 printf("%d", i);
1815                 break;
1816             case 'f':
1817                 d = va_arg(ap, double);
1818                 printf("%f", d);
1819                 break;
1820             case 'l':
1821                 ll = va_arg(ap, long long);
1822                 printf("%Ld", ll);
1823                 break;
1824             case 'F':
1825                 ld = va_arg(ap, long double);
1826                 printf("%Lf", ld);
1827                 break;
1828             }
1829             p++;
1830         } else {
1831             putchar(c);
1832         }
1833     }
1834  the_end:
1835     va_end(aq);
1836     va_end(ap);
1837 }
1838
1839 struct myspace {
1840     short int profile;
1841 };
1842
1843 void stdarg_for_struct(struct myspace bob, ...)
1844 {
1845     struct myspace george, bill;
1846     va_list ap;
1847     short int validate;
1848
1849     va_start(ap, bob);
1850     bill     = va_arg(ap, struct myspace);
1851     george   = va_arg(ap, struct myspace);
1852     validate = va_arg(ap, int);
1853     printf("stdarg_for_struct: %d %d %d %d\n",
1854            bob.profile, bill.profile, george.profile, validate);
1855     va_end(ap);
1856 }
1857
1858 void stdarg_test(void)
1859 {
1860     long double ld = 1234567891234LL;
1861     struct myspace bob;
1862
1863     vprintf1("%d %d %d\n", 1, 2, 3);
1864     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
1865     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
1866     vprintf1("%F %F %F\n", 1.2L, 2.3L, 3.4L);
1867 #ifdef __x86_64__
1868     /* a bug of x86's TCC */
1869     vprintf1("%d %f %l %F %d %f %l %F\n",
1870              1, 1.2, 3L, 4.5L, 6, 7.8, 9L, 0.1L);
1871 #endif
1872     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
1873              1, 2, 3, 4, 5, 6, 7, 8,
1874              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
1875     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
1876              1, 2, 3, 4, 5, 6, 7, 8,
1877              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
1878     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1879              "%l %l %f %f\n",
1880              1, 2, 3, 4, 5, 6, 7, 8,
1881              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1882              1234567891234LL, 987654321986LL,
1883              42.0, 43.0);
1884     vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1885              "%l %l %f %f\n",
1886              ld, 1, 2, 3, 4, 5, 6, 7, 8,
1887              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1888              1234567891234LL, 987654321986LL,
1889              42.0, 43.0);
1890     vprintf1("%d %d %d %d %d %d %d %d %F\n",
1891              1, 2, 3, 4, 5, 6, 7, 8, ld);
1892     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1893              "%l %l %f %f %F\n",
1894              1, 2, 3, 4, 5, 6, 7, 8,
1895              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1896              1234567891234LL, 987654321986LL,
1897              42.0, 43.0, ld);
1898     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1899              "%F %l %l %f %f %F\n",
1900              1, 2, 3, 4, 5, 6, 7, 8,
1901              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1902              ld, 1234567891234LL, 987654321986LL,
1903              42.0, 43.0, ld);
1904
1905     bob.profile = 42;
1906     stdarg_for_struct(bob, bob, bob, bob.profile);
1907 }
1908
1909 void whitespace_test(void)
1910 {
1911     char *str;
1912
1913 \f\v
#if 1
1914     pri\
1915 ntf("whitspace:\n");\f\v
1916 #endif
1917     pf("N=%d\n", 2);
1918
1919 #ifdef CORRECT_CR_HANDLING
1920     pri\
1921 ntf("aaa=%d\n", 3);
1922 #endif
1923
1924     pri\
1925 \
1926 ntf("min=%d\n", 4);
1927
1928 #ifdef ACCEPT_CR_IN_STRINGS
1929     printf("len1=%d\n", strlen("
1930 "));
1931 #ifdef CORRECT_CR_HANDLING
1932     str = "
1933 ";
1934     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
1935 #endif
1936     printf("len1=%d\n", strlen("
a
1937 "));
1938 #endif /* ACCEPT_CR_IN_STRINGS */
1939 }
1940
1941 int reltab[3] = { 1, 2, 3 };
1942
1943 int *rel1 = &reltab[1];
1944 int *rel2 = &reltab[2];
1945
1946 void relocation_test(void)
1947 {
1948     printf("*rel1=%d\n", *rel1);
1949     printf("*rel2=%d\n", *rel2);
1950 }
1951
1952 void old_style_f(a,b,c)
1953      int a, b;
1954      double c;
1955 {
1956     printf("a=%d b=%d b=%f\n", a, b, c);
1957 }
1958
1959 void decl_func1(int cmpfn())
1960 {
1961     printf("cmpfn=%lx\n", (long)cmpfn);
1962 }
1963
1964 void decl_func2(cmpfn)
1965 int cmpfn();
1966 {
1967     printf("cmpfn=%lx\n", (long)cmpfn);
1968 }
1969
1970 void old_style_function(void)
1971 {
1972     old_style_f((void *)1, 2, 3.0);
1973     decl_func1(NULL);
1974     decl_func2(NULL);
1975 }
1976
1977 void alloca_test()
1978 {
1979 #if defined __i386__ || defined __x86_64__
1980     char *p = alloca(16);
1981     strcpy(p,"123456789012345");
1982     printf("alloca: p is %s\n", p);
1983     char *demo = "This is only a test.\n";
1984     /* Test alloca embedded in a larger expression */
1985     printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
1986 #endif
1987 }
1988
1989 void sizeof_test(void)
1990 {
1991     int a;
1992     int **ptr;
1993
1994     printf("sizeof(int) = %d\n", sizeof(int));
1995     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
1996     printf("sizeof(long) = %d\n", sizeof(long));
1997     printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
1998     printf("sizeof(short) = %d\n", sizeof(short));
1999     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
2000     printf("sizeof(char) = %d\n", sizeof(char));
2001     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
2002     printf("sizeof(func) = %d\n", sizeof sizeof_test());
2003     a = 1;
2004     printf("sizeof(a++) = %d\n", sizeof a++);
2005     printf("a=%d\n", a);
2006     ptr = NULL;
2007     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
2008
2009     /* some alignof tests */
2010     printf("__alignof__(int) = %d\n", __alignof__(int));
2011     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
2012     printf("__alignof__(short) = %d\n", __alignof__(short));
2013     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
2014     printf("__alignof__(char) = %d\n", __alignof__(char));
2015     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
2016     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
2017 }
2018
2019 void typeof_test(void)
2020 {
2021     double a;
2022     typeof(a) b;
2023     typeof(float) c;
2024
2025     a = 1.5;
2026     b = 2.5;
2027     c = 3.5;
2028     printf("a=%f b=%f c=%f\n", a, b, c);
2029 }
2030
2031 void statement_expr_test(void)
2032 {
2033     int a, i;
2034
2035     a = 0;
2036     for(i=0;i<10;i++) {
2037         a += 1 +
2038             ( { int b, j;
2039                 b = 0;
2040                 for(j=0;j<5;j++)
2041                     b += j; b;
2042             } );
2043     }
2044     printf("a=%d\n", a);
2045
2046 }
2047
2048 void local_label_test(void)
2049 {
2050     int a;
2051     goto l1;
2052  l2:
2053     a = 1 + ({
2054         __label__ l1, l2, l3, l4;
2055         goto l1;
2056     l4:
2057         printf("aa1\n");
2058         goto l3;
2059     l2:
2060         printf("aa3\n");
2061         goto l4;
2062     l1:
2063         printf("aa2\n");
2064         goto l2;
2065     l3:;
2066         1;
2067     });
2068     printf("a=%d\n", a);
2069     return;
2070  l4:
2071     printf("bb1\n");
2072     goto l2;
2073  l1:
2074     printf("bb2\n");
2075     goto l4;
2076 }
2077
2078 /* inline assembler test */
2079 #ifdef __i386__
2080
2081 /* from linux kernel */
2082 static char * strncat1(char * dest,const char * src,size_t count)
2083 {
2084 int d0, d1, d2, d3;
2085 __asm__ __volatile__(
2086         "repne\n\t"
2087         "scasb\n\t"
2088         "decl %1\n\t"
2089         "movl %8,%3\n"
2090         "1:\tdecl %3\n\t"
2091         "js 2f\n\t"
2092         "lodsb\n\t"
2093         "stosb\n\t"
2094         "testb %%al,%%al\n\t"
2095         "jne 1b\n"
2096         "2:\txorl %2,%2\n\t"
2097         "stosb"
2098         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2099         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2100         : "memory");
2101 return dest;
2102 }
2103
2104 static inline void * memcpy1(void * to, const void * from, size_t n)
2105 {
2106 int d0, d1, d2;
2107 __asm__ __volatile__(
2108         "rep ; movsl\n\t"
2109         "testb $2,%b4\n\t"
2110         "je 1f\n\t"
2111         "movsw\n"
2112         "1:\ttestb $1,%b4\n\t"
2113         "je 2f\n\t"
2114         "movsb\n"
2115         "2:"
2116         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2117         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2118         : "memory");
2119 return (to);
2120 }
2121
2122 static __inline__ void sigaddset1(unsigned int *set, int _sig)
2123 {
2124         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2125 }
2126
2127 static __inline__ void sigdelset1(unsigned int *set, int _sig)
2128 {
2129         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2130 }
2131
2132 static __inline__ __const__ unsigned int swab32(unsigned int x)
2133 {
2134         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
2135                 "rorl $16,%0\n\t"       /* swap words           */
2136                 "xchgb %b0,%h0"         /* swap higher bytes    */
2137                 :"=q" (x)
2138                 : "0" (x));
2139         return x;
2140 }
2141
2142 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
2143 {
2144     unsigned long long res;
2145     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
2146     return res;
2147 }
2148
2149 static __inline__ unsigned long long inc64(unsigned long long a)
2150 {
2151     unsigned long long res;
2152     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
2153     return res;
2154 }
2155
2156 unsigned int set;
2157
2158 void asm_test(void)
2159 {
2160     char buf[128];
2161     unsigned int val;
2162
2163     printf("inline asm:\n");
2164     /* test the no operand case */
2165     asm volatile ("xorl %eax, %eax");
2166
2167     memcpy1(buf, "hello", 6);
2168     strncat1(buf, " worldXXXXX", 3);
2169     printf("%s\n", buf);
2170
2171     /* 'A' constraint test */
2172     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
2173     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
2174
2175     set = 0xff;
2176     sigdelset1(&set, 2);
2177     sigaddset1(&set, 16);
2178     /* NOTE: we test here if C labels are correctly restored after the
2179        asm statement */
2180     goto label1;
2181  label2:
2182     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
2183 #ifdef __GNUC__ // works strange with GCC 4.3
2184     set=0x1080fd;
2185 #endif
2186     printf("set=0x%x\n", set);
2187     val = 0x01020304;
2188     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
2189     return;
2190  label1:
2191     goto label2;
2192 }
2193
2194 #else
2195
2196 void asm_test(void)
2197 {
2198 }
2199
2200 #endif
2201
2202 #define COMPAT_TYPE(type1, type2) \
2203 {\
2204     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
2205            __builtin_types_compatible_p (type1, type2));\
2206 }
2207
2208 int constant_p_var;
2209
2210 void builtin_test(void)
2211 {
2212 #if GCC_MAJOR >= 3
2213     COMPAT_TYPE(int, int);
2214     COMPAT_TYPE(int, unsigned int);
2215     COMPAT_TYPE(int, char);
2216     COMPAT_TYPE(int, const int);
2217     COMPAT_TYPE(int, volatile int);
2218     COMPAT_TYPE(int *, int *);
2219     COMPAT_TYPE(int *, void *);
2220     COMPAT_TYPE(int *, const int *);
2221     COMPAT_TYPE(char *, unsigned char *);
2222 /* space is needed because tcc preprocessor introduces a space between each token */
2223     COMPAT_TYPE(char * *, void *);
2224 #endif
2225     printf("res = %d\n", __builtin_constant_p(1));
2226     printf("res = %d\n", __builtin_constant_p(1 + 2));
2227     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
2228     printf("res = %d\n", __builtin_constant_p(constant_p_var));
2229 }
2230
2231
2232 extern int __attribute__((weak)) weak_f1(void);
2233 extern int __attribute__((weak)) weak_f2(void);
2234 extern int                       weak_f3(void);
2235 extern int __attribute__((weak)) weak_v1;
2236 extern int __attribute__((weak)) weak_v2;
2237 extern int                       weak_v3;
2238
2239 void __attribute__((weak)) weak_test(void)
2240 {
2241         printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
2242         printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
2243         printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
2244         printf("weak_v1=%d\n",&weak_v1 ? weak_v1   : 123);
2245         printf("weak_v2=%d\n",&weak_v2 ? weak_v2   : 123);
2246         printf("weak_v3=%d\n",&weak_v3 ? weak_v3   : 123);
2247 }
2248
2249 int __attribute__((weak)) weak_f2() { return 222; }
2250 int __attribute__((weak)) weak_f3() { return 333; }
2251 int __attribute__((weak)) weak_v2 = 222;
2252 int __attribute__((weak)) weak_v3 = 333;
2253
2254 void const_func(const int a)
2255 {
2256 }
2257
2258 void const_warn_test(void)
2259 {
2260     const_func(1);
2261 }