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 }
 596
 597 void expr_test()
 598 {
 599     int a, b;
 600     a = 0;
 601     printf("%d\n", a += 1);
 602     printf("%d\n", a -= 2);
 603     printf("%d\n", a *= 31232132);
 604     printf("%d\n", a /= 4);
 605     printf("%d\n", a %= 20);
 606     printf("%d\n", a &= 6);
 607     printf("%d\n", a ^= 7);
 608     printf("%d\n", a |= 8);
 609     printf("%d\n", a >>= 3);
 610     printf("%d\n", a <<= 4);
 611
 612     a = 22321;
 613     b = -22321;
 614     printf("%d\n", a + 1);
 615     printf("%d\n", a - 2);
 616     printf("%d\n", a * 312);
 617     printf("%d\n", a / 4);
 618     printf("%d\n", b / 4);
 619     printf("%d\n", (unsigned)b / 4);
 620     printf("%d\n", a % 20);
 621     printf("%d\n", b % 20);
 622     printf("%d\n", (unsigned)b % 20);
 623     printf("%d\n", a & 6);
 624     printf("%d\n", a ^ 7);
 625     printf("%d\n", a | 8);
 626     printf("%d\n", a >> 3);
 627     printf("%d\n", b >> 3);
 628     printf("%d\n", (unsigned)b >> 3);
 629     printf("%d\n", a << 4);
 630     printf("%d\n", ~a);
 631     printf("%d\n", -a);
 632     printf("%d\n", +a);
 633
 634     printf("%d\n", 12 + 1);
 635     printf("%d\n", 12 - 2);
 636     printf("%d\n", 12 * 312);
 637     printf("%d\n", 12 / 4);
 638     printf("%d\n", 12 % 20);
 639     printf("%d\n", 12 & 6);
 640     printf("%d\n", 12 ^ 7);
 641     printf("%d\n", 12 | 8);
 642     printf("%d\n", 12 >> 2);
 643     printf("%d\n", 12 << 4);
 644     printf("%d\n", ~12);
 645     printf("%d\n", -12);
 646     printf("%d\n", +12);
 647     printf("%d %d %d %d\n",
 648            isid('a'),
 649            isid('g'),
 650            isid('T'),
 651            isid('('));
 652 }
 653
 654 int isid(int c)
 655 {
 656     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 657 }
 658
 659 /**********************/
 660
 661 int vstack[10], *vstack_ptr;
 662
 663 void vpush(int vt, int vc)
 664 {
 665     *vstack_ptr++ = vt;
 666     *vstack_ptr++ = vc;
 667 }
 668
 669 void vpop(int *ft, int *fc)
 670 {
 671     *fc = *--vstack_ptr;
 672     *ft = *--vstack_ptr;
 673 }
 674
 675 void expr2_test()
 676 {
 677     int a, b;
 678
 679     printf("expr2:\n");
 680     vstack_ptr = vstack;
 681     vpush(1432432, 2);
 682     vstack_ptr[-2] &= ~0xffffff80;
 683     vpop(&a, &b);
 684     printf("res= %d %d\n", a, b);
 685 }
 686
 687 void constant_expr_test()
 688 {
 689     int a;
 690     printf("constant_expr:\n");
 691     a = 3;
 692     printf("%d\n", a * 16);
 693     printf("%d\n", a * 1);
 694     printf("%d\n", a + 0);
 695 }
 696
 697 int tab4[10];
 698
 699 void expr_ptr_test()
 700 {
 701     int *p, *q;
 702     int i = -1;
 703
 704     printf("expr_ptr:\n");
 705     p = tab4;
 706     q = tab4 + 10;
 707     printf("diff=%d\n", q - p);
 708     p++;
 709     printf("inc=%d\n", p - tab4);
 710     p--;
 711     printf("dec=%d\n", p - tab4);
 712     ++p;
 713     printf("inc=%d\n", p - tab4);
 714     --p;
 715     printf("dec=%d\n", p - tab4);
 716     printf("add=%d\n", p + 3 - tab4);
 717     printf("add=%d\n", 3 + p - tab4);
 718
 719     /* check if 64bit support is ok */
 720     q = p = 0;
 721     q += i;
 722     printf("%p %p %ld\n", q, p, p-q);
 723     printf("%d %d %d %d %d %d\n",
 724            p == q, p != q, p < q, p <= q, p >= q, p > q);
 725     i = 0xf0000000;
 726     p += i;
 727     printf("%p %p %ld\n", q, p, p-q);
 728     printf("%d %d %d %d %d %d\n",
 729            p == q, p != q, p < q, p <= q, p >= q, p > q);
 730     p = (int *)((char *)p + 0xf0000000);
 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 += 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     {
 739         struct size12 {
 740             int i, j, k;
 741         };
 742         struct size12 s[2], *sp = s;
 743         int i, j;
 744         sp->i = 42;
 745         sp++;
 746         j = -1;
 747         printf("%d\n", sp[j].i);
 748     }
 749 }
 750
 751 void expr_cmp_test()
 752 {
 753     int a, b;
 754     printf("constant_expr:\n");
 755     a = -1;
 756     b = 1;
 757     printf("%d\n", a == a);
 758     printf("%d\n", a != a);
 759
 760     printf("%d\n", a < b);
 761     printf("%d\n", a <= b);
 762     printf("%d\n", a <= a);
 763     printf("%d\n", b >= a);
 764     printf("%d\n", a >= a);
 765     printf("%d\n", b > a);
 766
 767     printf("%d\n", (unsigned)a < b);
 768     printf("%d\n", (unsigned)a <= b);
 769     printf("%d\n", (unsigned)a <= a);
 770     printf("%d\n", (unsigned)b >= a);
 771     printf("%d\n", (unsigned)a >= a);
 772     printf("%d\n", (unsigned)b > a);
 773 }
 774
 775 struct empty {
 776 };
 777
 778 struct aligntest1 {
 779     char a[10];
 780 };
 781
 782 struct aligntest2 {
 783     int a;
 784     char b[10];
 785 };
 786
 787 struct aligntest3 {
 788     double a, b;
 789 };
 790
 791 struct aligntest4 {
 792     double a[0];
 793 };
 794
 795 void struct_test()
 796 {
 797     struct1 *s;
 798     union union2 u;
 799
 800     printf("struct:\n");
 801     printf("sizes: %d %d %d %d\n",
 802            sizeof(struct struct1),
 803            sizeof(struct struct2),
 804            sizeof(union union1),
 805            sizeof(union union2));
 806     st1.f1 = 1;
 807     st1.f2 = 2;
 808     st1.f3 = 3;
 809     printf("st1: %d %d %d\n",
 810            st1.f1, st1.f2, st1.f3);
 811     st1.u.v1 = 1;
 812     st1.u.v2 = 2;
 813     printf("union1: %d\n", st1.u.v1);
 814     u.w1 = 1;
 815     u.w2 = 2;
 816     printf("union2: %d\n", u.w1);
 817     s = &st2;
 818     s->f1 = 3;
 819     s->f2 = 2;
 820     s->f3 = 1;
 821     printf("st2: %d %d %d\n",
 822            s->f1, s->f2, s->f3);
 823     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 824
 825     /* align / size tests */
 826     printf("aligntest1 sizeof=%d alignof=%d\n",
 827            sizeof(struct aligntest1), __alignof__(struct aligntest1));
 828     printf("aligntest2 sizeof=%d alignof=%d\n",
 829            sizeof(struct aligntest2), __alignof__(struct aligntest2));
 830     printf("aligntest3 sizeof=%d alignof=%d\n",
 831            sizeof(struct aligntest3), __alignof__(struct aligntest3));
 832     printf("aligntest4 sizeof=%d alignof=%d\n",
 833            sizeof(struct aligntest4), __alignof__(struct aligntest4));
 834
 835     /* empty structures (GCC extension) */
 836     printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
 837     printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
 838 }
 839
 840 /* XXX: depend on endianness */
 841 void char_short_test()
 842 {
 843     int var1, var2;
 844
 845     printf("char_short:\n");
 846
 847     var1 = 0x01020304;
 848     var2 = 0xfffefdfc;
 849     printf("s8=%d %d\n",
 850            *(char *)&var1, *(char *)&var2);
 851     printf("u8=%d %d\n",
 852            *(unsigned char *)&var1, *(unsigned char *)&var2);
 853     printf("s16=%d %d\n",
 854            *(short *)&var1, *(short *)&var2);
 855     printf("u16=%d %d\n",
 856            *(unsigned short *)&var1, *(unsigned short *)&var2);
 857     printf("s32=%d %d\n",
 858            *(int *)&var1, *(int *)&var2);
 859     printf("u32=%d %d\n",
 860            *(unsigned int *)&var1, *(unsigned int *)&var2);
 861     *(char *)&var1 = 0x08;
 862     printf("var1=%x\n", var1);
 863     *(short *)&var1 = 0x0809;
 864     printf("var1=%x\n", var1);
 865     *(int *)&var1 = 0x08090a0b;
 866     printf("var1=%x\n", var1);
 867 }
 868
 869 /******************/
 870
 871 typedef struct Sym {
 872     int v;
 873     int t;
 874     int c;
 875     struct Sym *next;
 876     struct Sym *prev;
 877 } Sym;
 878
 879 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 880 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
 881
 882 static int toupper1(int a)
 883 {
 884     return TOUPPER(a);
 885 }
 886
 887 void bool_test()
 888 {
 889     int *s, a, b, t, f, i;
 890
 891     a = 0;
 892     s = (void*)0;
 893     printf("!s=%d\n", !s);
 894
 895     if (!s || !s[0])
 896         a = 1;
 897     printf("a=%d\n", a);
 898
 899     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
 900     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
 901     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
 902 #if 1 && 1
 903     printf("a1\n");
 904 #endif
 905 #if 1 || 0
 906     printf("a2\n");
 907 #endif
 908 #if 1 ? 0 : 1
 909     printf("a3\n");
 910 #endif
 911 #if 0 ? 0 : 1
 912     printf("a4\n");
 913 #endif
 914
 915     a = 4;
 916     printf("b=%d\n", a + (0 ? 1 : a / 2));
 917
 918     /* test register spilling */
 919     a = 10;
 920     b = 10;
 921     a = (a + b) * ((a < b) ?
 922                    ((b - a) * (a - b)): a + b);
 923     printf("a=%d\n", a);
 924
 925     /* test complex || or && expressions */
 926     t = 1;
 927     f = 0;
 928     a = 32;
 929     printf("exp=%d\n", f == (32 <= a && a <= 3));
 930     printf("r=%d\n", (t || f) + (t && f));
 931
 932     /* test ? : cast */
 933     {
 934         int aspect_on;
 935         int aspect_native = 65536;
 936         double bfu_aspect = 1.0;
 937         int aspect;
 938         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
 939             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
 940             printf("aspect=%d\n", aspect);
 941         }
 942     }
 943
 944     /* test ? : GCC extension */
 945     {
 946         static int v1 = 34 ? : -1; /* constant case */
 947         static int v2 = 0 ? : -1; /* constant case */
 948         int a = 30;
 949
 950         printf("%d %d\n", v1, v2);
 951         printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
 952     }
 953
 954     /* again complex expression */
 955     for(i=0;i<256;i++) {
 956         if (toupper1 (i) != TOUPPER (i))
 957             printf("error %d\n", i);
 958     }
 959 }
 960
 961 /* GCC accepts that */
 962 static int tab_reinit[];
 963 static int tab_reinit[10];
 964
 965 //int cinit1; /* a global variable can be defined several times without error ! */
 966 int cinit1;
 967 int cinit1;
 968 int cinit1 = 0;
 969 int *cinit2 = (int []){3, 2, 1};
 970
 971 void compound_literal_test(void)
 972 {
 973     int *p, i;
 974     char *q, *q3;
 975
 976     printf("compound_test:\n");
 977
 978     p = (int []){1, 2, 3};
 979     for(i=0;i<3;i++)
 980         printf(" %d", p[i]);
 981     printf("\n");
 982
 983     for(i=0;i<3;i++)
 984         printf("%d", cinit2[i]);
 985     printf("\n");
 986
 987     q = "tralala1";
 988     printf("q1=%s\n", q);
 989
 990     q = (char *){ "tralala2" };
 991     printf("q2=%s\n", q);
 992
 993     q3 = (char *){ q };
 994     printf("q3=%s\n", q3);
 995
 996     q = (char []){ "tralala3" };
 997     printf("q4=%s\n", q);
 998
 999 #ifdef ALL_ISOC99
1000     p = (int []){1, 2, cinit1 + 3};
1001     for(i=0;i<3;i++)
1002         printf(" %d", p[i]);
1003     printf("\n");
1004
1005     for(i=0;i<3;i++) {
1006         p = (int []){1, 2, 4 + i};
1007         printf("%d %d %d\n",
1008                p[0],
1009                p[1],
1010                p[2]);
1011     }
1012 #endif
1013 }
1014
1015 /* K & R protos */
1016
1017 kr_func1(a, b)
1018 {
1019     return a + b;
1020 }
1021
1022 int kr_func2(a, b)
1023 {
1024     return a + b;
1025 }
1026
1027 kr_test()
1028 {
1029     printf("kr_test:\n");
1030     printf("func1=%d\n", kr_func1(3, 4));
1031     printf("func2=%d\n", kr_func2(3, 4));
1032     return 0;
1033 }
1034
1035 void num(int n)
1036 {
1037     char *tab, *p;
1038     tab = (char*)malloc(20);
1039     p = tab;
1040     while (1) {
1041         *p = 48 + (n % 10);
1042         p++;
1043         n = n / 10;
1044         if (n == 0)
1045             break;
1046     }
1047     while (p != tab) {
1048         p--;
1049         printf("%c", *p);
1050     }
1051     printf("\n");
1052 }
1053
1054 /* structure assignment tests */
1055 struct structa1 {
1056     int f1;
1057     char f2;
1058 };
1059
1060 struct structa1 ssta1;
1061
1062 void struct_assign_test1(struct structa1 s1, int t)
1063 {
1064     printf("%d %d %d\n", s1.f1, s1.f2, t);
1065 }
1066
1067 struct structa1 struct_assign_test2(struct structa1 s1, int t)
1068 {
1069     s1.f1 += t;
1070     s1.f2 -= t;
1071     return s1;
1072 }
1073
1074 void struct_assign_test(void)
1075 {
1076     struct structa1 lsta1, lsta2;
1077
1078 #if 0
1079     printf("struct_assign_test:\n");
1080
1081     lsta1.f1 = 1;
1082     lsta1.f2 = 2;
1083     printf("%d %d\n", lsta1.f1, lsta1.f2);
1084     lsta2 = lsta1;
1085     printf("%d %d\n", lsta2.f1, lsta2.f2);
1086 #else
1087     lsta2.f1 = 1;
1088     lsta2.f2 = 2;
1089 #endif
1090     struct_assign_test1(lsta2, 3);
1091
1092     printf("before call: %d %d\n", lsta2.f1, lsta2.f2);
1093     lsta2 = struct_assign_test2(lsta2, 4);
1094     printf("after call: %d %d\n", lsta2.f1, lsta2.f2);
1095 }
1096
1097 /* casts to short/char */
1098
1099 void cast1(char a, short b, unsigned char c, unsigned short d)
1100 {
1101     printf("%d %d %d %d\n", a, b, c, d);
1102 }
1103
1104 char bcast;
1105 short scast;
1106
1107 void cast_test()
1108 {
1109     int a;
1110     char c;
1111     char tab[10];
1112     unsigned b,d;
1113     short s;
1114     char *p = NULL;
1115     p -= 0x700000000042;
1116
1117     printf("cast_test:\n");
1118     a = 0xfffff;
1119     cast1(a, a, a, a);
1120     a = 0xffffe;
1121     printf("%d %d %d %d\n",
1122            (char)(a + 1),
1123            (short)(a + 1),
1124            (unsigned char)(a + 1),
1125            (unsigned short)(a + 1));
1126     printf("%d %d %d %d\n",
1127            (char)0xfffff,
1128            (short)0xfffff,
1129            (unsigned char)0xfffff,
1130            (unsigned short)0xfffff);
1131
1132     a = (bcast = 128) + 1;
1133     printf("%d\n", a);
1134     a = (scast = 65536) + 1;
1135     printf("%d\n", a);
1136
1137     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
1138
1139     /* test cast from unsigned to signed short to int */
1140     b = 0xf000;
1141     d = (short)b;
1142     printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
1143     b = 0xf0f0;
1144     d = (char)b;
1145     printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
1146
1147     /* test implicit int casting for array accesses */
1148     c = 0;
1149     tab[1] = 2;
1150     tab[c] = 1;
1151     printf("%d %d\n", tab[0], tab[1]);
1152
1153     /* test implicit casting on some operators */
1154     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
1155     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
1156     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
1157
1158     /* from pointer to integer types */
1159     printf("%d %d %ld %ld %lld %lld\n",
1160            (int)p, (unsigned int)p,
1161            (long)p, (unsigned long)p,
1162            (long long)p, (unsigned long long)p);
1163
1164     /* from integers to pointers */
1165     printf("%p %p %p %p\n",
1166            (void *)a, (void *)b, (void *)c, (void *)d);
1167 }
1168
1169 /* initializers tests */
1170 struct structinit1 {
1171     int f1;
1172     char f2;
1173     short f3;
1174     int farray[3];
1175 };
1176
1177 int sinit1 = 2;
1178 int sinit2 = { 3 };
1179 int sinit3[3] = { 1, 2, {{3}}, };
1180 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1181 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1182 int sinit6[] = { 1, 2, 3 };
1183 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1184 char sinit8[] = "hello" "trala";
1185
1186 struct structinit1 sinit9 = { 1, 2, 3 };
1187 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1188 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1189 #ifdef ALL_ISOC99
1190                                .farray[0] = 10,
1191                                .farray[1] = 11,
1192                                .farray[2] = 12,
1193 #endif
1194 };
1195
1196 char *sinit12 = "hello world";
1197 char *sinit13[] = {
1198     "test1",
1199     "test2",
1200     "test3",
1201 };
1202 char sinit14[10] = { "abc" };
1203 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1204
1205 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1206
1207 struct bar {
1208         char *s;
1209         int len;
1210 } sinit17[] = {
1211         "a1", 4,
1212         "a2", 1
1213 };
1214
1215 int sinit18[10] = {
1216     [2 ... 5] = 20,
1217     2,
1218     [8] = 10,
1219 };
1220
1221 void init_test(void)
1222 {
1223     int linit1 = 2;
1224     int linit2 = { 3 };
1225     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1226     int linit6[] = { 1, 2, 3 };
1227     int i, j;
1228     char linit8[] = "hello" "trala";
1229     int linit12[10] = { 1, 2 };
1230     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1231     char linit14[10] = "abc";
1232     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1233     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1234     int linit17 = sizeof(linit17);
1235
1236     printf("init_test:\n");
1237
1238     printf("sinit1=%d\n", sinit1);
1239     printf("sinit2=%d\n", sinit2);
1240     printf("sinit3=%d %d %d %d\n",
1241            sizeof(sinit3),
1242            sinit3[0],
1243            sinit3[1],
1244            sinit3[2]
1245            );
1246     printf("sinit6=%d\n", sizeof(sinit6));
1247     printf("sinit7=%d %d %d %d\n",
1248            sizeof(sinit7),
1249            sinit7[0],
1250            sinit7[1],
1251            sinit7[2]
1252            );
1253     printf("sinit8=%s\n", sinit8);
1254     printf("sinit9=%d %d %d\n",
1255            sinit9.f1,
1256            sinit9.f2,
1257            sinit9.f3
1258            );
1259     printf("sinit10=%d %d %d\n",
1260            sinit10.f1,
1261            sinit10.f2,
1262            sinit10.f3
1263            );
1264     printf("sinit11=%d %d %d %d %d %d\n",
1265            sinit11.f1,
1266            sinit11.f2,
1267            sinit11.f3,
1268            sinit11.farray[0],
1269            sinit11.farray[1],
1270            sinit11.farray[2]
1271            );
1272
1273     for(i=0;i<3;i++)
1274         for(j=0;j<2;j++)
1275             printf("[%d][%d] = %d %d %d\n",
1276                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1277     printf("linit1=%d\n", linit1);
1278     printf("linit2=%d\n", linit2);
1279     printf("linit6=%d\n", sizeof(linit6));
1280     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1281
1282     printf("sinit12=%s\n", sinit12);
1283     printf("sinit13=%d %s %s %s\n",
1284            sizeof(sinit13),
1285            sinit13[0],
1286            sinit13[1],
1287            sinit13[2]);
1288     printf("sinit14=%s\n", sinit14);
1289
1290     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1291     printf("\n");
1292     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1293     printf("\n");
1294     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1295     printf("\n");
1296     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1297     printf("\n");
1298     printf("%d %d %d %d\n",
1299            linit16.a1,
1300            linit16.a2,
1301            linit16.a3,
1302            linit16.a4);
1303     /* test that initialisation is done after variable declare */
1304     printf("linit17=%d\n", linit17);
1305     printf("sinit15=%d\n", sinit15[0]);
1306     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1307     printf("sinit17=%s %d %s %d\n",
1308            sinit17[0].s, sinit17[0].len,
1309            sinit17[1].s, sinit17[1].len);
1310     for(i=0;i<10;i++)
1311         printf("%x ", sinit18[i]);
1312     printf("\n");
1313 }
1314
1315
1316 void switch_test()
1317 {
1318     int i;
1319
1320     for(i=0;i<15;i++) {
1321         switch(i) {
1322         case 0:
1323         case 1:
1324             printf("a");
1325             break;
1326         default:
1327             printf("%d", i);
1328             break;
1329         case 8 ... 12:
1330             printf("c");
1331             break;
1332         case 3:
1333             printf("b");
1334             break;
1335         }
1336     }
1337     printf("\n");
1338 }
1339
1340 /* ISOC99 _Bool type */
1341 void c99_bool_test(void)
1342 {
1343 #ifdef BOOL_ISOC99
1344     int a;
1345     _Bool b;
1346
1347     printf("bool_test:\n");
1348     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1349     a = 3;
1350     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1351     b = 3;
1352     printf("b = %d\n", b);
1353     b++;
1354     printf("b = %d\n", b);
1355 #endif
1356 }
1357
1358 void bitfield_test(void)
1359 {
1360     int a;
1361     struct sbf1 {
1362         int f1 : 3;
1363         int : 2;
1364         int f2 : 1;
1365         int : 0;
1366         int f3 : 5;
1367         int f4 : 7;
1368         unsigned int f5 : 7;
1369     } st1;
1370     printf("bitfield_test:");
1371     printf("sizeof(st1) = %d\n", sizeof(st1));
1372
1373     st1.f1 = 3;
1374     st1.f2 = 1;
1375     st1.f3 = 15;
1376     a = 120;
1377     st1.f4 = a;
1378     st1.f5 = a;
1379     st1.f5++;
1380     printf("%d %d %d %d %d\n",
1381            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1382
1383     st1.f1 = 7;
1384     if (st1.f1 == -1)
1385         printf("st1.f1 == -1\n");
1386     else
1387         printf("st1.f1 != -1\n");
1388     if (st1.f2 == -1)
1389         printf("st1.f2 == -1\n");
1390     else
1391         printf("st1.f2 != -1\n");
1392
1393     /* bit sizes below must be bigger than 32 since GCC doesn't allow
1394        long-long bitfields whose size is not bigger than int */
1395     struct sbf2 {
1396         long long f1 : 45;
1397         long long : 2;
1398         long long f2 : 35;
1399         unsigned long long f3 : 38;
1400     } st2;
1401     st2.f1 = 0x123456789ULL;
1402     a = 120;
1403     st2.f2 = (long long)a << 25;
1404     st2.f3 = a;
1405     st2.f2++;
1406     printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
1407 }
1408
1409 #ifdef __x86_64__
1410 #define FLOAT_FMT "%f\n"
1411 #else
1412 /* x86's float isn't compatible with GCC */
1413 #define FLOAT_FMT "%.5f\n"
1414 #endif
1415
1416 /* declare strto* functions as they are C99 */
1417 double strtod(const char *nptr, char **endptr);
1418 float strtof(const char *nptr, char **endptr);
1419 long double strtold(const char *nptr, char **endptr);
1420
1421 #define FTEST(prefix, type, fmt)\
1422 void prefix ## cmp(type a, type b)\
1423 {\
1424     printf("%d %d %d %d %d %d\n",\
1425            a == b,\
1426            a != b,\
1427            a < b,\
1428            a > b,\
1429            a >= b,\
1430            a <= b);\
1431     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1432            a,\
1433            b,\
1434            a + b,\
1435            a - b,\
1436            a * b,\
1437            a / b,\
1438            -a);\
1439     printf(fmt "\n", ++a);\
1440     printf(fmt "\n", a++);\
1441     printf(fmt "\n", a);\
1442     b = 0;\
1443     printf("%d %d\n", !a, !b);\
1444 }\
1445 void prefix ## fcast(type a)\
1446 {\
1447     float fa;\
1448     double da;\
1449     long double la;\
1450     int ia;\
1451     unsigned int ua;\
1452     type b;\
1453     fa = a;\
1454     da = a;\
1455     la = a;\
1456     printf("ftof: %f %f %Lf\n", fa, da, la);\
1457     ia = (int)a;\
1458     ua = (unsigned int)a;\
1459     printf("ftoi: %d %u\n", ia, ua);\
1460     ia = -1234;\
1461     ua = 0x81234500;\
1462     b = ia;\
1463     printf("itof: " fmt "\n", b);\
1464     b = ua;\
1465     printf("utof: " fmt "\n", b);\
1466 }\
1467 \
1468 float prefix ## retf(type a) { return a; }\
1469 double prefix ## retd(type a) { return a; }\
1470 long double prefix ## retld(type a) { return a; }\
1471 \
1472 void prefix ## call(void)\
1473 {\
1474     printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
1475     printf("double: %f\n", prefix ## retd(42.123456789));\
1476     printf("long double: %Lf\n", prefix ## retld(42.123456789));\
1477     printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
1478 }\
1479 \
1480 void prefix ## test(void)\
1481 {\
1482     printf("testing '%s'\n", #type);\
1483     prefix ## cmp(1, 2.5);\
1484     prefix ## cmp(2, 1.5);\
1485     prefix ## cmp(1, 1);\
1486     prefix ## fcast(234.6);\
1487     prefix ## fcast(-2334.6);\
1488     prefix ## call();\
1489 }
1490
1491 FTEST(f, float, "%f")
1492 FTEST(d, double, "%f")
1493 FTEST(ld, long double, "%Lf")
1494
1495 double ftab1[3] = { 1.2, 3.4, -5.6 };
1496
1497
1498 void float_test(void)
1499 {
1500     float fa, fb;
1501     double da, db;
1502     int a;
1503     unsigned int b;
1504
1505     printf("float_test:\n");
1506     printf("sizeof(float) = %d\n", sizeof(float));
1507     printf("sizeof(double) = %d\n", sizeof(double));
1508     printf("sizeof(long double) = %d\n", sizeof(long double));
1509     ftest();
1510     dtest();
1511     ldtest();
1512     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1513     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1514     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1515     da = 123;
1516     printf("da=%f\n", da);
1517     fa = 123;
1518     printf("fa=%f\n", fa);
1519     a = 4000000000;
1520     da = a;
1521     printf("da = %f\n", da);
1522     b = 4000000000;
1523     db = b;
1524     printf("db = %f\n", db);
1525 }
1526
1527 int fib(int n)
1528 {
1529     if (n <= 2)
1530         return 1;
1531     else
1532         return fib(n-1) + fib(n-2);
1533 }
1534
1535 void funcptr_test()
1536 {
1537     void (*func)(int);
1538     int a;
1539     struct {
1540         int dummy;
1541         void (*func)(int);
1542     } st1;
1543
1544     printf("funcptr:\n");
1545     func = &num;
1546     (*func)(12345);
1547     func = num;
1548     a = 1;
1549     a = 1;
1550     func(12345);
1551     /* more complicated pointer computation */
1552     st1.func = num;
1553     st1.func(12346);
1554     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1555     printf("sizeof2 = %d\n", sizeof funcptr_test);
1556     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1557     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1558 }
1559
1560 void lloptest(long long a, long long b)
1561 {
1562     unsigned long long ua, ub;
1563
1564     ua = a;
1565     ub = b;
1566     /* arith */
1567     printf("arith: %Ld %Ld %Ld\n",
1568            a + b,
1569            a - b,
1570            a * b);
1571
1572     if (b != 0) {
1573         printf("arith1: %Ld %Ld\n",
1574            a / b,
1575            a % b);
1576     }
1577
1578     /* binary */
1579     printf("bin: %Ld %Ld %Ld\n",
1580            a & b,
1581            a | b,
1582            a ^ b);
1583
1584     /* tests */
1585     printf("test: %d %d %d %d %d %d\n",
1586            a == b,
1587            a != b,
1588            a < b,
1589            a > b,
1590            a >= b,
1591            a <= b);
1592
1593     printf("utest: %d %d %d %d %d %d\n",
1594            ua == ub,
1595            ua != ub,
1596            ua < ub,
1597            ua > ub,
1598            ua >= ub,
1599            ua <= ub);
1600
1601     /* arith2 */
1602     a++;
1603     b++;
1604     printf("arith2: %Ld %Ld\n", a, b);
1605     printf("arith2: %Ld %Ld\n", a++, b++);
1606     printf("arith2: %Ld %Ld\n", --a, --b);
1607     printf("arith2: %Ld %Ld\n", a, b);
1608     b = ub = 0;
1609     printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
1610 }
1611
1612 void llshift(long long a, int b)
1613 {
1614     printf("shift: %Ld %Ld %Ld\n",
1615            (unsigned long long)a >> b,
1616            a >> b,
1617            a << b);
1618     printf("shiftc: %Ld %Ld %Ld\n",
1619            (unsigned long long)a >> 3,
1620            a >> 3,
1621            a << 3);
1622     printf("shiftc: %Ld %Ld %Ld\n",
1623            (unsigned long long)a >> 35,
1624            a >> 35,
1625            a << 35);
1626 }
1627
1628 void llfloat(void)
1629 {
1630     float fa;
1631     double da;
1632     long double lda;
1633     long long la, lb, lc;
1634     unsigned long long ula, ulb, ulc;
1635     la = 0x12345678;
1636     ula = 0x72345678;
1637     la = (la << 20) | 0x12345;
1638     ula = ula << 33;
1639     printf("la=%Ld ula=%Lu\n", la, ula);
1640
1641     fa = la;
1642     da = la;
1643     lda = la;
1644     printf("lltof: %f %f %Lf\n", fa, da, lda);
1645
1646     la = fa;
1647     lb = da;
1648     lc = lda;
1649     printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
1650
1651     fa = ula;
1652     da = ula;
1653     lda = ula;
1654     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1655
1656     ula = fa;
1657     ulb = da;
1658     ulc = lda;
1659     printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
1660 }
1661
1662 long long llfunc1(int a)
1663 {
1664     return a * 2;
1665 }
1666
1667 struct S {
1668     int id;
1669     char item;
1670 };
1671
1672 long long int value(struct S *v)
1673 {
1674     return ((long long int)v->item);
1675 }
1676
1677 void longlong_test(void)
1678 {
1679     long long a, b, c;
1680     int ia;
1681     unsigned int ua;
1682     printf("longlong_test:\n");
1683     printf("sizeof(long long) = %d\n", sizeof(long long));
1684     ia = -1;
1685     ua = -2;
1686     a = ia;
1687     b = ua;
1688     printf("%Ld %Ld\n", a, b);
1689     printf("%Ld %Ld %Ld %Lx\n",
1690            (long long)1,
1691            (long long)-2,
1692            1LL,
1693            0x1234567812345679);
1694     a = llfunc1(-3);
1695     printf("%Ld\n", a);
1696
1697     lloptest(1000, 23);
1698     lloptest(0xff, 0x1234);
1699     b = 0x72345678 << 10;
1700     lloptest(-3, b);
1701     llshift(0x123, 5);
1702     llshift(-23, 5);
1703     b = 0x72345678LL << 10;
1704     llshift(b, 47);
1705
1706     llfloat();
1707 #if 1
1708     b = 0x12345678;
1709     a = -1;
1710     c = a + b;
1711     printf("%Lx\n", c);
1712 #endif
1713
1714     /* long long reg spill test */
1715     {
1716           struct S a;
1717
1718           a.item = 3;
1719           printf("%lld\n", value(&a));
1720     }
1721     lloptest(0x80000000, 0);
1722
1723     /* another long long spill test */
1724     {
1725         long long *p, v;
1726         v = 1;
1727         p = &v;
1728         p[0]++;
1729         printf("%lld\n", *p);
1730     }
1731
1732     a = 68719476720LL;
1733     b = 4294967295LL;
1734     printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
1735
1736     printf("%Ld\n", 0x123456789LLU);
1737 }
1738
1739 void manyarg_test(void)
1740 {
1741     long double ld = 1234567891234LL;
1742     printf("manyarg_test:\n");
1743     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
1744            1, 2, 3, 4, 5, 6, 7, 8,
1745            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
1746     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1747            "%Ld %Ld %f %f\n",
1748            1, 2, 3, 4, 5, 6, 7, 8,
1749            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1750            1234567891234LL, 987654321986LL,
1751            42.0, 43.0);
1752     printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1753            "%Ld %Ld %f %f\n",
1754            ld, 1, 2, 3, 4, 5, 6, 7, 8,
1755            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1756            1234567891234LL, 987654321986LL,
1757            42.0, 43.0);
1758     /* XXX: known bug of x86-64 */
1759 #ifndef __x86_64__
1760     printf("%d %d %d %d %d %d %d %d %Lf\n",
1761            1, 2, 3, 4, 5, 6, 7, 8, ld);
1762     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1763            "%Ld %Ld %f %f %Lf\n",
1764            1, 2, 3, 4, 5, 6, 7, 8,
1765            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1766            1234567891234LL, 987654321986LL,
1767            42.0, 43.0, ld);
1768     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1769            "%Lf %Ld %Ld %f %f %Lf\n",
1770            1, 2, 3, 4, 5, 6, 7, 8,
1771            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1772            ld, 1234567891234LL, 987654321986LL,
1773            42.0, 43.0, ld);
1774 #endif
1775 }
1776
1777 void vprintf1(const char *fmt, ...)
1778 {
1779     va_list ap;
1780     const char *p;
1781     int c, i;
1782     double d;
1783     long long ll;
1784     long double ld;
1785
1786     va_start(ap, fmt);
1787
1788     p = fmt;
1789     for(;;) {
1790         c = *p;
1791         if (c == '\0')
1792             break;
1793         p++;
1794         if (c == '%') {
1795             c = *p;
1796             switch(c) {
1797             case '\0':
1798                 goto the_end;
1799             case 'd':
1800                 i = va_arg(ap, int);
1801                 printf("%d", i);
1802                 break;
1803             case 'f':
1804                 d = va_arg(ap, double);
1805                 printf("%f", d);
1806                 break;
1807             case 'l':
1808                 ll = va_arg(ap, long long);
1809                 printf("%Ld", ll);
1810                 break;
1811             case 'F':
1812                 ld = va_arg(ap, long double);
1813                 printf("%Lf", ld);
1814                 break;
1815             }
1816             p++;
1817         } else {
1818             putchar(c);
1819         }
1820     }
1821  the_end:
1822     va_end(ap);
1823 }
1824
1825
1826 void stdarg_test(void)
1827 {
1828     long double ld = 1234567891234LL;
1829     vprintf1("%d %d %d\n", 1, 2, 3);
1830     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
1831     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
1832     vprintf1("%F %F %F\n", 1.2L, 2.3L, 3.4L);
1833 #ifdef __x86_64__
1834     /* a bug of x86's TCC */
1835     vprintf1("%d %f %l %F %d %f %l %F\n",
1836              1, 1.2, 3L, 4.5L, 6, 7.8, 9L, 0.1L);
1837 #endif
1838     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
1839              1, 2, 3, 4, 5, 6, 7, 8,
1840              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
1841     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
1842              1, 2, 3, 4, 5, 6, 7, 8,
1843              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
1844     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1845              "%l %l %f %f\n",
1846              1, 2, 3, 4, 5, 6, 7, 8,
1847              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1848              1234567891234LL, 987654321986LL,
1849              42.0, 43.0);
1850     vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1851              "%l %l %f %f\n",
1852              ld, 1, 2, 3, 4, 5, 6, 7, 8,
1853              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1854              1234567891234LL, 987654321986LL,
1855              42.0, 43.0);
1856     vprintf1("%d %d %d %d %d %d %d %d %F\n",
1857              1, 2, 3, 4, 5, 6, 7, 8, ld);
1858     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1859              "%l %l %f %f %F\n",
1860              1, 2, 3, 4, 5, 6, 7, 8,
1861              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1862              1234567891234LL, 987654321986LL,
1863              42.0, 43.0, ld);
1864     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1865              "%F %l %l %f %f %F\n",
1866              1, 2, 3, 4, 5, 6, 7, 8,
1867              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1868              ld, 1234567891234LL, 987654321986LL,
1869              42.0, 43.0, ld);
1870 }
1871
1872 void whitespace_test(void)
1873 {
1874     char *str;
1875
1876 \f\v
#if 1
1877     pri\
1878 ntf("whitspace:\n");\f\v
1879 #endif
1880     pf("N=%d\n", 2);
1881
1882 #ifdef CORRECT_CR_HANDLING
1883     pri\
1884 ntf("aaa=%d\n", 3);
1885 #endif
1886
1887     pri\
1888 \
1889 ntf("min=%d\n", 4);
1890
1891 #ifdef ACCEPT_CR_IN_STRINGS
1892     printf("len1=%d\n", strlen("
1893 "));
1894 #ifdef CORRECT_CR_HANDLING
1895     str = "
1896 ";
1897     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
1898 #endif
1899     printf("len1=%d\n", strlen("
a
1900 "));
1901 #endif /* ACCEPT_CR_IN_STRINGS */
1902 }
1903
1904 int reltab[3] = { 1, 2, 3 };
1905
1906 int *rel1 = &reltab[1];
1907 int *rel2 = &reltab[2];
1908
1909 void relocation_test(void)
1910 {
1911     printf("*rel1=%d\n", *rel1);
1912     printf("*rel2=%d\n", *rel2);
1913 }
1914
1915 void old_style_f(a,b,c)
1916      int a, b;
1917      double c;
1918 {
1919     printf("a=%d b=%d b=%f\n", a, b, c);
1920 }
1921
1922 void decl_func1(int cmpfn())
1923 {
1924     printf("cmpfn=%lx\n", (long)cmpfn);
1925 }
1926
1927 void decl_func2(cmpfn)
1928 int cmpfn();
1929 {
1930     printf("cmpfn=%lx\n", (long)cmpfn);
1931 }
1932
1933 void old_style_function(void)
1934 {
1935     old_style_f((void *)1, 2, 3.0);
1936     decl_func1(NULL);
1937     decl_func2(NULL);
1938 }
1939
1940 void alloca_test()
1941 {
1942 #if defined __i386__ || defined __x86_64__
1943     char *p = alloca(16);
1944     strcpy(p,"123456789012345");
1945     printf("alloca: p is %s\n", p);
1946     char *demo = "This is only a test.\n";
1947     /* Test alloca embedded in a larger expression */
1948     printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
1949 #endif
1950 }
1951
1952 void sizeof_test(void)
1953 {
1954     int a;
1955     int **ptr;
1956
1957     printf("sizeof(int) = %d\n", sizeof(int));
1958     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
1959     printf("sizeof(long) = %d\n", sizeof(long));
1960     printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
1961     printf("sizeof(short) = %d\n", sizeof(short));
1962     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
1963     printf("sizeof(char) = %d\n", sizeof(char));
1964     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
1965     printf("sizeof(func) = %d\n", sizeof sizeof_test());
1966     a = 1;
1967     printf("sizeof(a++) = %d\n", sizeof a++);
1968     printf("a=%d\n", a);
1969     ptr = NULL;
1970     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
1971
1972     /* some alignof tests */
1973     printf("__alignof__(int) = %d\n", __alignof__(int));
1974     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
1975     printf("__alignof__(short) = %d\n", __alignof__(short));
1976     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
1977     printf("__alignof__(char) = %d\n", __alignof__(char));
1978     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
1979     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
1980 }
1981
1982 void typeof_test(void)
1983 {
1984     double a;
1985     typeof(a) b;
1986     typeof(float) c;
1987
1988     a = 1.5;
1989     b = 2.5;
1990     c = 3.5;
1991     printf("a=%f b=%f c=%f\n", a, b, c);
1992 }
1993
1994 void statement_expr_test(void)
1995 {
1996     int a, i;
1997
1998     a = 0;
1999     for(i=0;i<10;i++) {
2000         a += 1 +
2001             ( { int b, j;
2002                 b = 0;
2003                 for(j=0;j<5;j++)
2004                     b += j; b;
2005             } );
2006     }
2007     printf("a=%d\n", a);
2008
2009 }
2010
2011 void local_label_test(void)
2012 {
2013     int a;
2014     goto l1;
2015  l2:
2016     a = 1 + ({
2017         __label__ l1, l2, l3, l4;
2018         goto l1;
2019     l4:
2020         printf("aa1\n");
2021         goto l3;
2022     l2:
2023         printf("aa3\n");
2024         goto l4;
2025     l1:
2026         printf("aa2\n");
2027         goto l2;
2028     l3:;
2029         1;
2030     });
2031     printf("a=%d\n", a);
2032     return;
2033  l4:
2034     printf("bb1\n");
2035     goto l2;
2036  l1:
2037     printf("bb2\n");
2038     goto l4;
2039 }
2040
2041 /* inline assembler test */
2042 #ifdef __i386__
2043
2044 /* from linux kernel */
2045 static char * strncat1(char * dest,const char * src,size_t count)
2046 {
2047 int d0, d1, d2, d3;
2048 __asm__ __volatile__(
2049         "repne\n\t"
2050         "scasb\n\t"
2051         "decl %1\n\t"
2052         "movl %8,%3\n"
2053         "1:\tdecl %3\n\t"
2054         "js 2f\n\t"
2055         "lodsb\n\t"
2056         "stosb\n\t"
2057         "testb %%al,%%al\n\t"
2058         "jne 1b\n"
2059         "2:\txorl %2,%2\n\t"
2060         "stosb"
2061         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2062         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2063         : "memory");
2064 return dest;
2065 }
2066
2067 static inline void * memcpy1(void * to, const void * from, size_t n)
2068 {
2069 int d0, d1, d2;
2070 __asm__ __volatile__(
2071         "rep ; movsl\n\t"
2072         "testb $2,%b4\n\t"
2073         "je 1f\n\t"
2074         "movsw\n"
2075         "1:\ttestb $1,%b4\n\t"
2076         "je 2f\n\t"
2077         "movsb\n"
2078         "2:"
2079         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2080         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2081         : "memory");
2082 return (to);
2083 }
2084
2085 static __inline__ void sigaddset1(unsigned int *set, int _sig)
2086 {
2087         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2088 }
2089
2090 static __inline__ void sigdelset1(unsigned int *set, int _sig)
2091 {
2092         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2093 }
2094
2095 static __inline__ __const__ unsigned int swab32(unsigned int x)
2096 {
2097         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
2098                 "rorl $16,%0\n\t"       /* swap words           */
2099                 "xchgb %b0,%h0"         /* swap higher bytes    */
2100                 :"=q" (x)
2101                 : "0" (x));
2102         return x;
2103 }
2104
2105 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
2106 {
2107     unsigned long long res;
2108     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
2109     return res;
2110 }
2111
2112 static __inline__ unsigned long long inc64(unsigned long long a)
2113 {
2114     unsigned long long res;
2115     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
2116     return res;
2117 }
2118
2119 unsigned int set;
2120
2121 void asm_test(void)
2122 {
2123     char buf[128];
2124     unsigned int val;
2125
2126     printf("inline asm:\n");
2127     /* test the no operand case */
2128     asm volatile ("xorl %eax, %eax");
2129
2130     memcpy1(buf, "hello", 6);
2131     strncat1(buf, " worldXXXXX", 3);
2132     printf("%s\n", buf);
2133
2134     /* 'A' constraint test */
2135     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
2136     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
2137
2138     set = 0xff;
2139     sigdelset1(&set, 2);
2140     sigaddset1(&set, 16);
2141     /* NOTE: we test here if C labels are correctly restored after the
2142        asm statement */
2143     goto label1;
2144  label2:
2145     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
2146 #ifdef __GNUC__ // works strange with GCC 4.3
2147     set=0x1080fd;
2148 #endif
2149     printf("set=0x%x\n", set);
2150     val = 0x01020304;
2151     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
2152     return;
2153  label1:
2154     goto label2;
2155 }
2156
2157 #else
2158
2159 void asm_test(void)
2160 {
2161 }
2162
2163 #endif
2164
2165 #define COMPAT_TYPE(type1, type2) \
2166 {\
2167     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
2168            __builtin_types_compatible_p (type1, type2));\
2169 }
2170
2171 int constant_p_var;
2172
2173 void builtin_test(void)
2174 {
2175 #if GCC_MAJOR >= 3
2176     COMPAT_TYPE(int, int);
2177     COMPAT_TYPE(int, unsigned int);
2178     COMPAT_TYPE(int, char);
2179     COMPAT_TYPE(int, const int);
2180     COMPAT_TYPE(int, volatile int);
2181     COMPAT_TYPE(int *, int *);
2182     COMPAT_TYPE(int *, void *);
2183     COMPAT_TYPE(int *, const int *);
2184     COMPAT_TYPE(char *, unsigned char *);
2185 /* space is needed because tcc preprocessor introduces a space between each token */
2186     COMPAT_TYPE(char * *, void *);
2187 #endif
2188     printf("res = %d\n", __builtin_constant_p(1));
2189     printf("res = %d\n", __builtin_constant_p(1 + 2));
2190     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
2191     printf("res = %d\n", __builtin_constant_p(constant_p_var));
2192 }
2193
2194
2195 void const_func(const int a)
2196 {
2197 }
2198
2199 void const_warn_test(void)
2200 {
2201     const_func(1);
2202 }