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