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 sizeof_test(void);
  79 void typeof_test(void);
  80 void local_label_test(void);
  81 void statement_expr_test(void);
  82 void asm_test(void);
  83 void builtin_test(void);
  84
  85 int fib(int n);
  86 void num(int n);
  87 void forward_ref(void);
  88 int isid(int c);
  89
  90 #define A 2
  91 #define N 1234 + A
  92 #define pf printf
  93 #define M1(a, b)  (a) + (b)
  94
  95 #define str\
  96 (s) # s
  97 #define glue(a, b) a ## b
  98 #define xglue(a, b) glue(a, b)
  99 #define HIGHLOW "hello"
 100 #define LOW LOW ", world"
 101
 102 #define min(a, b) ((a) < (b) ? (a) : (b))
 103
 104 #ifdef C99_MACROS
 105 #define dprintf(level,...) printf(__VA_ARGS__)
 106 #endif
 107
 108 /* gcc vararg macros */
 109 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
 110
 111 #define MACRO_NOARGS()
 112
 113 #define AAA 3
 114 #undef AAA
 115 #define AAA 4
 116
 117 #if 1
 118 #define B3 1
 119 #elif 1
 120 #define B3 2
 121 #elif 0
 122 #define B3 3
 123 #else
 124 #define B3 4
 125 #endif
 126
 127 #define __INT64_C(c)    c ## LL
 128 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 129
 130 int qq(int x)
 131 {
 132     return x + 40;
 133 }
 134 #define qq(x) x
 135
 136 #define spin_lock(lock) do { } while (0)
 137 #define wq_spin_lock spin_lock
 138 #define TEST2() wq_spin_lock(a)
 139
 140 void macro_test(void)
 141 {
 142     printf("macro:\n");\f\v
 143     pf("N=%d\n", N);
 144     printf("aaa=%d\n", AAA);
 145
 146     printf("min=%d\n", min(1, min(2, -1)));
 147
 148     printf("s1=%s\n", glue(HIGH, LOW));
 149     printf("s2=%s\n", xglue(HIGH, LOW));
 150     printf("s3=%s\n", str("c"));
 151     printf("s4=%s\n", str(a1));
 152     printf("B3=%d\n", B3);
 153
 154 #ifdef A
 155     printf("A defined\n");
 156 #endif
 157 #ifdef B
 158     printf("B defined\n");
 159 #endif
 160 #ifdef A
 161     printf("A defined\n");
 162 #else
 163     printf("A not defined\n");
 164 #endif
 165 #ifdef B
 166     printf("B defined\n");
 167 #else
 168     printf("B not defined\n");
 169 #endif
 170
 171 #ifdef A
 172     printf("A defined\n");
 173 #ifdef B
 174     printf("B1 defined\n");
 175 #else
 176     printf("B1 not defined\n");
 177 #endif
 178 #else
 179     printf("A not defined\n");
 180 #ifdef B
 181     printf("B2 defined\n");
 182 #else
 183     printf("B2 not defined\n");
 184 #endif
 185 #endif
 186
 187 #if 1+1
 188     printf("test true1\n");
 189 #endif
 190 #if 0
 191     printf("test true2\n");
 192 #endif
 193 #if 1-1
 194     printf("test true3\n");
 195 #endif
 196 #if defined(A)
 197     printf("test trueA\n");
 198 #endif
 199 #if defined(B)
 200     printf("test trueB\n");
 201 #endif
 202
 203 #if 0
 204     printf("test 0\n");
 205 #elif 0
 206     printf("test 1\n");
 207 #elif 2
 208     printf("test 2\n");
 209 #else
 210     printf("test 3\n");
 211 #endif
 212
 213     MACRO_NOARGS();
 214
 215 #ifdef __LINE__
 216     printf("__LINE__ defined\n");
 217 #endif
 218
 219     printf("__LINE__=%d __FILE__=%s\n",
 220            __LINE__, __FILE__);
 221 #line 200
 222     printf("__LINE__=%d __FILE__=%s\n",
 223            __LINE__, __FILE__);
 224 #line 203 "test"
 225     printf("__LINE__=%d __FILE__=%s\n",
 226            __LINE__, __FILE__);
 227 #line 227 "tcctest.c"
 228
 229     /* not strictly preprocessor, but we test it there */
 230 #ifdef C99_MACROS
 231     printf("__func__ = %s\n", __func__);
 232     dprintf(1, "vaarg=%d\n", 1);
 233 #endif
 234     dprintf1(1, "vaarg1\n");
 235     dprintf1(1, "vaarg1=%d\n", 2);
 236     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 237
 238     /* gcc extension */
 239     printf("func='%s'\n", __FUNCTION__);
 240
 241     /* complicated macros in glibc */
 242     printf("INT64_MIN=%Ld\n", INT64_MIN);
 243     {
 244         int a;
 245         a = 1;
 246         glue(a+, +);
 247         printf("a=%d\n", a);
 248         glue(a <, <= 2);
 249         printf("a=%d\n", a);
 250     }
 251
 252     /* macro function with argument outside the macro string */
 253 #define MF_s MF_hello
 254 #define MF_hello(msg) printf("%s\n",msg)
 255
 256 #define MF_t printf("tralala\n"); MF_hello
 257
 258     MF_s("hi");
 259     MF_t("hi");
 260
 261     /* test macro substituion inside args (should not eat stream) */
 262     printf("qq=%d\n", qq(qq)(2));
 263
 264     /* test zero argument case. NOTE: gcc 2.95.x does not accept a
 265        null argument without a space. gcc 3.2 fixes that. */
 266
 267 #define qq1(x) 1
 268     printf("qq1=%d\n", qq1( ));
 269
 270     /* comment with stray handling *\
 271 /
 272        /* this is a valid *\/ comment */
 273        /* this is a valid comment *\*/
 274     //  this is a valid\
 275 comment
 276
 277     /* test function macro substitution when the function name is
 278        substituted */
 279     TEST2();
 280 }
 281
 282 int op(a,b)
 283 {
 284     return a / b;
 285 }
 286
 287 int ret(a)
 288 {
 289     if (a == 2)
 290         return 1;
 291     if (a == 3)
 292         return 2;
 293     return 0;
 294 }
 295
 296 void ps(const char *s)
 297 {
 298     int c;
 299     while (1) {
 300         c = *s;
 301         if (c == 0)
 302             break;
 303         printf("%c", c);
 304         s++;
 305     }
 306 }
 307
 308 const char foo1_string[] = "\
 309 bar\n\
 310 test\14\
 311 1";
 312
 313 void string_test()
 314 {
 315 #if defined(__x86_64__) && defined(__GNUC__)
 316     unsigned int b;
 317 #else
 318     int b;
 319 #endif
 320     printf("string:\n");
 321     printf("\141\1423\143\n");/* dezdez test */
 322     printf("\x41\x42\x43\x3a\n");
 323     printf("c=%c\n", 'r');
 324     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 325     printf("foo1_string='%s'\n", foo1_string);
 326 #if 0
 327     printf("wstring=%S\n", L"abc");
 328     printf("wstring=%S\n", L"abc" L"def" "ghi");
 329     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 330     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 331 #endif
 332     ps("test\n");
 333     b = 32;
 334     while ((b = b + 1) < 96) {
 335         printf("%c", b);
 336     }
 337     printf("\n");
 338     printf("fib=%d\n", fib(33));
 339     b = 262144;
 340     while (b != 0x80000000) {
 341         num(b);
 342         b = b * 2;
 343     }
 344 }
 345
 346 void loop_test()
 347 {
 348     int i;
 349     i = 0;
 350     while (i < 10)
 351         printf("%d", i++);
 352     printf("\n");
 353     for(i = 0; i < 10;i++)
 354         printf("%d", i);
 355     printf("\n");
 356     i = 0;
 357     do {
 358         printf("%d", i++);
 359     } while (i < 10);
 360     printf("\n");
 361
 362     /* break/continue tests */
 363     i = 0;
 364     while (1) {
 365         if (i == 6)
 366             break;
 367         i++;
 368         if (i == 3)
 369             continue;
 370         printf("%d", i);
 371     }
 372     printf("\n");
 373
 374     /* break/continue tests */
 375     i = 0;
 376     do {
 377         if (i == 6)
 378             break;
 379         i++;
 380         if (i == 3)
 381             continue;
 382         printf("%d", i);
 383     } while(1);
 384     printf("\n");
 385
 386     for(i = 0;i < 10;i++) {
 387         if (i == 3)
 388             continue;
 389         printf("%d", i);
 390     }
 391     printf("\n");
 392 }
 393
 394
 395 void goto_test()
 396 {
 397     int i;
 398     static void *label_table[3] = { &&label1, &&label2, &&label3 };
 399
 400     printf("goto:\n");
 401     i = 0;
 402  s_loop:
 403     if (i >= 10)
 404         goto s_end;
 405     printf("%d", i);
 406     i++;
 407     goto s_loop;
 408  s_end:
 409     printf("\n");
 410
 411     /* we also test computed gotos (GCC extension) */
 412     for(i=0;i<3;i++) {
 413         goto *label_table[i];
 414     label1:
 415         printf("label1\n");
 416         goto next;
 417     label2:
 418         printf("label2\n");
 419         goto next;
 420     label3:
 421         printf("label3\n");
 422     next: ;
 423     }
 424 }
 425
 426 enum {
 427     E0,
 428     E1 = 2,
 429     E2 = 4,
 430     E3,
 431     E4,
 432 };
 433
 434 enum test {
 435     E5 = 1000,
 436 };
 437
 438 void enum_test()
 439 {
 440     enum test b1;
 441     printf("enum:\n%d %d %d %d %d %d\n",
 442            E0, E1, E2, E3, E4, E5);
 443     b1 = 1;
 444     printf("b1=%d\n", b1);
 445 }
 446
 447 typedef int *my_ptr;
 448
 449 typedef int mytype1;
 450 typedef int mytype2;
 451
 452 void typedef_test()
 453 {
 454     my_ptr a;
 455     mytype1 mytype2;
 456     int b;
 457
 458     a = &b;
 459     *a = 1234;
 460     printf("typedef:\n");
 461     printf("a=%d\n", *a);
 462     mytype2 = 2;
 463     printf("mytype2=%d\n", mytype2);
 464 }
 465
 466 void forward_test()
 467 {
 468     printf("forward:\n");
 469     forward_ref();
 470     forward_ref();
 471 }
 472
 473
 474 void forward_ref(void)
 475 {
 476     printf("forward ok\n");
 477 }
 478
 479 typedef struct struct1 {
 480     int f1;
 481     int f2, f3;
 482     union union1 {
 483         int v1;
 484         int v2;
 485     } u;
 486     char str[3];
 487 } struct1;
 488
 489 struct struct2 {
 490     int a;
 491     char b;
 492 };
 493
 494 union union2 {
 495     int w1;
 496     int w2;
 497 };
 498
 499 struct struct1 st1, st2;
 500
 501 int main(int argc, char **argv)
 502 {
 503     string_test();
 504     expr_test();
 505     macro_test();
 506     scope_test();
 507     forward_test();
 508     funcptr_test();
 509     loop_test();
 510     switch_test();
 511     goto_test();
 512     enum_test();
 513     typedef_test();
 514     struct_test();
 515     array_test();
 516     expr_ptr_test();
 517     bool_test();
 518     expr2_test();
 519     constant_expr_test();
 520     expr_cmp_test();
 521     char_short_test();
 522     init_test();
 523     compound_literal_test();
 524     kr_test();
 525     struct_assign_test();
 526     cast_test();
 527     bitfield_test();
 528     c99_bool_test();
 529     float_test();
 530     longlong_test();
 531     manyarg_test();
 532     stdarg_test();
 533     whitespace_test();
 534     relocation_test();
 535     old_style_function();
 536     sizeof_test();
 537     typeof_test();
 538     statement_expr_test();
 539     local_label_test();
 540     asm_test();
 541     builtin_test();
 542     return 0;
 543 }
 544
 545 int tab[3];
 546 int tab2[3][2];
 547
 548 int g;
 549
 550 void f1(g)
 551 {
 552     printf("g1=%d\n", g);
 553 }
 554
 555 void scope_test()
 556 {
 557     printf("scope:\n");
 558     g = 2;
 559     f1(1);
 560     printf("g2=%d\n", g);
 561     {
 562         int g;
 563         g = 3;
 564         printf("g3=%d\n", g);
 565         {
 566             int g;
 567             g = 4;
 568             printf("g4=%d\n", g);
 569         }
 570     }
 571     printf("g5=%d\n", g);
 572 }
 573
 574 void array_test(int a[4])
 575 {
 576     int i, j;
 577
 578     printf("array:\n");
 579     printf("sizeof(a) = %d\n", sizeof(a));
 580     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 581 #ifdef C99_MACROS
 582     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 583 #endif
 584     printf("sizeof tab %d\n", sizeof(tab));
 585     printf("sizeof tab2 %d\n", sizeof tab2);
 586     tab[0] = 1;
 587     tab[1] = 2;
 588     tab[2] = 3;
 589     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 590     for(i=0;i<3;i++)
 591         for(j=0;j<2;j++)
 592             tab2[i][j] = 10 * i + j;
 593     for(i=0;i<3*2;i++) {
 594         printf(" %3d", ((int *)tab2)[i]);
 595     }
 596     printf("\n");
 597 }
 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
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
1159 /* initializers tests */
1160 struct structinit1 {
1161     int f1;
1162     char f2;
1163     short f3;
1164     int farray[3];
1165 };
1166
1167 int sinit1 = 2;
1168 int sinit2 = { 3 };
1169 int sinit3[3] = { 1, 2, {{3}}, };
1170 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1171 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1172 int sinit6[] = { 1, 2, 3 };
1173 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1174 char sinit8[] = "hello" "trala";
1175
1176 struct structinit1 sinit9 = { 1, 2, 3 };
1177 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1178 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1179 #ifdef ALL_ISOC99
1180                                .farray[0] = 10,
1181                                .farray[1] = 11,
1182                                .farray[2] = 12,
1183 #endif
1184 };
1185
1186 char *sinit12 = "hello world";
1187 char *sinit13[] = {
1188     "test1",
1189     "test2",
1190     "test3",
1191 };
1192 char sinit14[10] = { "abc" };
1193 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1194
1195 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1196
1197 struct bar {
1198         char *s;
1199         int len;
1200 } sinit17[] = {
1201         "a1", 4,
1202         "a2", 1
1203 };
1204
1205 int sinit18[10] = {
1206     [2 ... 5] = 20,
1207     2,
1208     [8] = 10,
1209 };
1210
1211 void init_test(void)
1212 {
1213     int linit1 = 2;
1214     int linit2 = { 3 };
1215     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1216     int linit6[] = { 1, 2, 3 };
1217     int i, j;
1218     char linit8[] = "hello" "trala";
1219     int linit12[10] = { 1, 2 };
1220     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1221     char linit14[10] = "abc";
1222     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1223     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1224     int linit17 = sizeof(linit17);
1225
1226     printf("init_test:\n");
1227
1228     printf("sinit1=%d\n", sinit1);
1229     printf("sinit2=%d\n", sinit2);
1230     printf("sinit3=%d %d %d %d\n",
1231            sizeof(sinit3),
1232            sinit3[0],
1233            sinit3[1],
1234            sinit3[2]
1235            );
1236     printf("sinit6=%d\n", sizeof(sinit6));
1237     printf("sinit7=%d %d %d %d\n",
1238            sizeof(sinit7),
1239            sinit7[0],
1240            sinit7[1],
1241            sinit7[2]
1242            );
1243     printf("sinit8=%s\n", sinit8);
1244     printf("sinit9=%d %d %d\n",
1245            sinit9.f1,
1246            sinit9.f2,
1247            sinit9.f3
1248            );
1249     printf("sinit10=%d %d %d\n",
1250            sinit10.f1,
1251            sinit10.f2,
1252            sinit10.f3
1253            );
1254     printf("sinit11=%d %d %d %d %d %d\n",
1255            sinit11.f1,
1256            sinit11.f2,
1257            sinit11.f3,
1258            sinit11.farray[0],
1259            sinit11.farray[1],
1260            sinit11.farray[2]
1261            );
1262
1263     for(i=0;i<3;i++)
1264         for(j=0;j<2;j++)
1265             printf("[%d][%d] = %d %d %d\n",
1266                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1267     printf("linit1=%d\n", linit1);
1268     printf("linit2=%d\n", linit2);
1269     printf("linit6=%d\n", sizeof(linit6));
1270     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1271
1272     printf("sinit12=%s\n", sinit12);
1273     printf("sinit13=%d %s %s %s\n",
1274            sizeof(sinit13),
1275            sinit13[0],
1276            sinit13[1],
1277            sinit13[2]);
1278     printf("sinit14=%s\n", sinit14);
1279
1280     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1281     printf("\n");
1282     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1283     printf("\n");
1284     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1285     printf("\n");
1286     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1287     printf("\n");
1288     printf("%d %d %d %d\n",
1289            linit16.a1,
1290            linit16.a2,
1291            linit16.a3,
1292            linit16.a4);
1293     /* test that initialisation is done after variable declare */
1294     printf("linit17=%d\n", linit17);
1295     printf("sinit15=%d\n", sinit15[0]);
1296     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1297     printf("sinit17=%s %d %s %d\n",
1298            sinit17[0].s, sinit17[0].len,
1299            sinit17[1].s, sinit17[1].len);
1300     for(i=0;i<10;i++)
1301         printf("%x ", sinit18[i]);
1302     printf("\n");
1303 }
1304
1305
1306 void switch_test()
1307 {
1308     int i;
1309
1310     for(i=0;i<15;i++) {
1311         switch(i) {
1312         case 0:
1313         case 1:
1314             printf("a");
1315             break;
1316         default:
1317             printf("%d", i);
1318             break;
1319         case 8 ... 12:
1320             printf("c");
1321             break;
1322         case 3:
1323             printf("b");
1324             break;
1325         }
1326     }
1327     printf("\n");
1328 }
1329
1330 /* ISOC99 _Bool type */
1331 void c99_bool_test(void)
1332 {
1333 #ifdef BOOL_ISOC99
1334     int a;
1335     _Bool b;
1336
1337     printf("bool_test:\n");
1338     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1339     a = 3;
1340     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1341     b = 3;
1342     printf("b = %d\n", b);
1343     b++;
1344     printf("b = %d\n", b);
1345 #endif
1346 }
1347
1348 void bitfield_test(void)
1349 {
1350     int a;
1351     struct sbf1 {
1352         int f1 : 3;
1353         int : 2;
1354         int f2 : 1;
1355         int : 0;
1356         int f3 : 5;
1357         int f4 : 7;
1358         unsigned int f5 : 7;
1359     } st1;
1360     printf("bitfield_test:");
1361     printf("sizeof(st1) = %d\n", sizeof(st1));
1362
1363     st1.f1 = 3;
1364     st1.f2 = 1;
1365     st1.f3 = 15;
1366     a = 120;
1367     st1.f4 = a;
1368     st1.f5 = a;
1369     st1.f5++;
1370     printf("%d %d %d %d %d\n",
1371            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1372
1373     st1.f1 = 7;
1374     if (st1.f1 == -1)
1375         printf("st1.f1 == -1\n");
1376     else
1377         printf("st1.f1 != -1\n");
1378     if (st1.f2 == -1)
1379         printf("st1.f2 == -1\n");
1380     else
1381         printf("st1.f2 != -1\n");
1382 }
1383
1384 #ifdef __x86_64__
1385 #define FLOAT_FMT "%f\n"
1386 #else
1387 /* x86's float isn't compatible with GCC */
1388 #define FLOAT_FMT "%.5f\n"
1389 #endif
1390
1391 #define FTEST(prefix, type, fmt)\
1392 void prefix ## cmp(type a, type b)\
1393 {\
1394     printf("%d %d %d %d %d %d\n",\
1395            a == b,\
1396            a != b,\
1397            a < b,\
1398            a > b,\
1399            a >= b,\
1400            a <= b);\
1401     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1402            a,\
1403            b,\
1404            a + b,\
1405            a - b,\
1406            a * b,\
1407            a / b,\
1408            -a);\
1409     printf(fmt "\n", ++a);\
1410     printf(fmt "\n", a++);\
1411     printf(fmt "\n", a);\
1412 }\
1413 void prefix ## fcast(type a)\
1414 {\
1415     float fa;\
1416     double da;\
1417     long double la;\
1418     int ia;\
1419     unsigned int ua;\
1420     type b;\
1421     fa = a;\
1422     da = a;\
1423     la = a;\
1424     printf("ftof: %f %f %Lf\n", fa, da, la);\
1425     ia = (int)a;\
1426     ua = (unsigned int)a;\
1427     printf("ftoi: %d %u\n", ia, ua);\
1428     ia = -1234;\
1429     ua = 0x81234500;\
1430     b = ia;\
1431     printf("itof: " fmt "\n", b);\
1432     b = ua;\
1433     printf("utof: " fmt "\n", b);\
1434 }\
1435 \
1436 float prefix ## retf(type a) { return a; }\
1437 double prefix ## retd(type a) { return a; }\
1438 long double prefix ## retld(type a) { return a; }\
1439 \
1440 void prefix ## call(void)\
1441 {\
1442     printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
1443     printf("double: %f\n", prefix ## retd(42.123456789));\
1444     printf("long double: %Lf\n", prefix ## retld(42.123456789));\
1445 }\
1446 \
1447 void prefix ## test(void)\
1448 {\
1449     printf("testing '%s'\n", #type);\
1450     prefix ## cmp(1, 2.5);\
1451     prefix ## cmp(2, 1.5);\
1452     prefix ## cmp(1, 1);\
1453     prefix ## fcast(234.6);\
1454     prefix ## fcast(-2334.6);\
1455     prefix ## call();\
1456 }
1457
1458 FTEST(f, float, "%f")
1459 FTEST(d, double, "%f")
1460 FTEST(ld, long double, "%Lf")
1461
1462 double ftab1[3] = { 1.2, 3.4, -5.6 };
1463
1464
1465 void float_test(void)
1466 {
1467     float fa, fb;
1468     double da, db;
1469     int a;
1470     unsigned int b;
1471
1472     printf("float_test:\n");
1473     printf("sizeof(float) = %d\n", sizeof(float));
1474     printf("sizeof(double) = %d\n", sizeof(double));
1475     printf("sizeof(long double) = %d\n", sizeof(long double));
1476     ftest();
1477     dtest();
1478     ldtest();
1479     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1480     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1481     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1482     da = 123;
1483     printf("da=%f\n", da);
1484     fa = 123;
1485     printf("fa=%f\n", fa);
1486     a = 4000000000;
1487     da = a;
1488     printf("da = %f\n", da);
1489     b = 4000000000;
1490     db = b;
1491     printf("db = %f\n", db);
1492 }
1493
1494 int fib(int n)
1495 {
1496     if (n <= 2)
1497         return 1;
1498     else
1499         return fib(n-1) + fib(n-2);
1500 }
1501
1502 void funcptr_test()
1503 {
1504     void (*func)(int);
1505     int a;
1506     struct {
1507         int dummy;
1508         void (*func)(int);
1509     } st1;
1510
1511     printf("funcptr:\n");
1512     func = &num;
1513     (*func)(12345);
1514     func = num;
1515     a = 1;
1516     a = 1;
1517     func(12345);
1518     /* more complicated pointer computation */
1519     st1.func = num;
1520     st1.func(12346);
1521     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1522     printf("sizeof2 = %d\n", sizeof funcptr_test);
1523     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1524     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1525 }
1526
1527 void lloptest(long long a, long long b)
1528 {
1529     unsigned long long ua, ub;
1530
1531     ua = a;
1532     ub = b;
1533     /* arith */
1534     printf("arith: %Ld %Ld %Ld\n",
1535            a + b,
1536            a - b,
1537            a * b);
1538
1539     if (b != 0) {
1540         printf("arith1: %Ld %Ld\n",
1541            a / b,
1542            a % b);
1543     }
1544
1545     /* binary */
1546     printf("bin: %Ld %Ld %Ld\n",
1547            a & b,
1548            a | b,
1549            a ^ b);
1550
1551     /* tests */
1552     printf("test: %d %d %d %d %d %d\n",
1553            a == b,
1554            a != b,
1555            a < b,
1556            a > b,
1557            a >= b,
1558            a <= b);
1559
1560     printf("utest: %d %d %d %d %d %d\n",
1561            ua == ub,
1562            ua != ub,
1563            ua < ub,
1564            ua > ub,
1565            ua >= ub,
1566            ua <= ub);
1567
1568     /* arith2 */
1569     a++;
1570     b++;
1571     printf("arith2: %Ld %Ld\n", a, b);
1572     printf("arith2: %Ld %Ld\n", a++, b++);
1573     printf("arith2: %Ld %Ld\n", --a, --b);
1574     printf("arith2: %Ld %Ld\n", a, b);
1575 }
1576
1577 void llshift(long long a, int b)
1578 {
1579     printf("shift: %Ld %Ld %Ld\n",
1580            (unsigned long long)a >> b,
1581            a >> b,
1582            a << b);
1583     printf("shiftc: %Ld %Ld %Ld\n",
1584            (unsigned long long)a >> 3,
1585            a >> 3,
1586            a << 3);
1587     printf("shiftc: %Ld %Ld %Ld\n",
1588            (unsigned long long)a >> 35,
1589            a >> 35,
1590            a << 35);
1591 }
1592
1593 void llfloat(void)
1594 {
1595     float fa;
1596     double da;
1597     long double lda;
1598     long long la, lb, lc;
1599     unsigned long long ula, ulb, ulc;
1600     la = 0x12345678;
1601     ula = 0x72345678;
1602     la = (la << 20) | 0x12345;
1603     ula = ula << 33;
1604     printf("la=%Ld ula=%Lu\n", la, ula);
1605
1606     fa = la;
1607     da = la;
1608     lda = la;
1609     printf("lltof: %f %f %Lf\n", fa, da, lda);
1610
1611     la = fa;
1612     lb = da;
1613     lc = lda;
1614     printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
1615
1616     fa = ula;
1617     da = ula;
1618     lda = ula;
1619     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1620
1621     ula = fa;
1622     ulb = da;
1623     ulc = lda;
1624     printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
1625 }
1626
1627 long long llfunc1(int a)
1628 {
1629     return a * 2;
1630 }
1631
1632 struct S {
1633     int id;
1634     char item;
1635 };
1636
1637 long long int value(struct S *v)
1638 {
1639     return ((long long int)v->item);
1640 }
1641
1642 void longlong_test(void)
1643 {
1644     long long a, b, c;
1645     int ia;
1646     unsigned int ua;
1647     printf("longlong_test:\n");
1648     printf("sizeof(long long) = %d\n", sizeof(long long));
1649     ia = -1;
1650     ua = -2;
1651     a = ia;
1652     b = ua;
1653     printf("%Ld %Ld\n", a, b);
1654     printf("%Ld %Ld %Ld %Lx\n",
1655            (long long)1,
1656            (long long)-2,
1657            1LL,
1658            0x1234567812345679);
1659     a = llfunc1(-3);
1660     printf("%Ld\n", a);
1661
1662     lloptest(1000, 23);
1663     lloptest(0xff, 0x1234);
1664     b = 0x72345678 << 10;
1665     lloptest(-3, b);
1666     llshift(0x123, 5);
1667     llshift(-23, 5);
1668     b = 0x72345678LL << 10;
1669     llshift(b, 47);
1670
1671     llfloat();
1672 #if 1
1673     b = 0x12345678;
1674     a = -1;
1675     c = a + b;
1676     printf("%Lx\n", c);
1677 #endif
1678
1679     /* long long reg spill test */
1680     {
1681           struct S a;
1682
1683           a.item = 3;
1684           printf("%lld\n", value(&a));
1685     }
1686     lloptest(0x80000000, 0);
1687
1688     /* another long long spill test */
1689     {
1690         long long *p, v;
1691         v = 1;
1692         p = &v;
1693         p[0]++;
1694         printf("%lld\n", *p);
1695     }
1696
1697     a = 68719476720LL;
1698     b = 4294967295LL;
1699     printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
1700 }
1701
1702 void manyarg_test(void)
1703 {
1704     long double ld = 1234567891234LL;
1705     printf("manyarg_test:\n");
1706     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
1707            1, 2, 3, 4, 5, 6, 7, 8,
1708            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
1709     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1710            "%Ld %Ld %f %f\n",
1711            1, 2, 3, 4, 5, 6, 7, 8,
1712            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1713            1234567891234LL, 987654321986LL,
1714            42.0, 43.0);
1715     printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1716            "%Ld %Ld %f %f\n",
1717            ld, 1, 2, 3, 4, 5, 6, 7, 8,
1718            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1719            1234567891234LL, 987654321986LL,
1720            42.0, 43.0);
1721     /* XXX: known bug of x86-64 */
1722 #ifndef __x86_64__
1723     printf("%d %d %d %d %d %d %d %d %Lf\n",
1724            1, 2, 3, 4, 5, 6, 7, 8, ld);
1725     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1726            "%Ld %Ld %f %f %Lf\n",
1727            1, 2, 3, 4, 5, 6, 7, 8,
1728            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1729            1234567891234LL, 987654321986LL,
1730            42.0, 43.0, ld);
1731     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1732            "%Lf %Ld %Ld %f %f %Lf\n",
1733            1, 2, 3, 4, 5, 6, 7, 8,
1734            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1735            ld, 1234567891234LL, 987654321986LL,
1736            42.0, 43.0, ld);
1737 #endif
1738 }
1739
1740 void vprintf1(const char *fmt, ...)
1741 {
1742     va_list ap;
1743     const char *p;
1744     int c, i;
1745     double d;
1746     long long ll;
1747     long double ld;
1748
1749     va_start(ap, fmt);
1750
1751     p = fmt;
1752     for(;;) {
1753         c = *p;
1754         if (c == '\0')
1755             break;
1756         p++;
1757         if (c == '%') {
1758             c = *p;
1759             switch(c) {
1760             case '\0':
1761                 goto the_end;
1762             case 'd':
1763                 i = va_arg(ap, int);
1764                 printf("%d", i);
1765                 break;
1766             case 'f':
1767                 d = va_arg(ap, double);
1768                 printf("%f", d);
1769                 break;
1770             case 'l':
1771                 ll = va_arg(ap, long long);
1772                 printf("%Ld", ll);
1773                 break;
1774             case 'F':
1775                 ld = va_arg(ap, long double);
1776                 printf("%Lf", ld);
1777                 break;
1778             }
1779             p++;
1780         } else {
1781             putchar(c);
1782         }
1783     }
1784  the_end:
1785     va_end(ap);
1786 }
1787
1788
1789 void stdarg_test(void)
1790 {
1791     long double ld = 1234567891234LL;
1792     vprintf1("%d %d %d\n", 1, 2, 3);
1793     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
1794     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
1795     vprintf1("%F %F %F\n", 1.2L, 2.3L, 3.4L);
1796 #ifdef __x86_64__
1797     /* a bug of x86's TCC */
1798     vprintf1("%d %f %l %F %d %f %l %F\n",
1799              1, 1.2, 3L, 4.5L, 6, 7.8, 9L, 0.1L);
1800 #endif
1801     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
1802              1, 2, 3, 4, 5, 6, 7, 8,
1803              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
1804     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
1805              1, 2, 3, 4, 5, 6, 7, 8,
1806              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
1807     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1808              "%l %l %f %f\n",
1809              1, 2, 3, 4, 5, 6, 7, 8,
1810              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1811              1234567891234LL, 987654321986LL,
1812              42.0, 43.0);
1813     vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1814              "%l %l %f %f\n",
1815              ld, 1, 2, 3, 4, 5, 6, 7, 8,
1816              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1817              1234567891234LL, 987654321986LL,
1818              42.0, 43.0);
1819     vprintf1("%d %d %d %d %d %d %d %d %F\n",
1820              1, 2, 3, 4, 5, 6, 7, 8, ld);
1821     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1822              "%l %l %f %f %F\n",
1823              1, 2, 3, 4, 5, 6, 7, 8,
1824              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1825              1234567891234LL, 987654321986LL,
1826              42.0, 43.0, ld);
1827     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1828              "%F %l %l %f %f %F\n",
1829              1, 2, 3, 4, 5, 6, 7, 8,
1830              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1831              ld, 1234567891234LL, 987654321986LL,
1832              42.0, 43.0, ld);
1833 }
1834
1835 void whitespace_test(void)
1836 {
1837     char *str;
1838
1839 \f\v
#if 1
1840     pri\
1841 ntf("whitspace:\n");\f\v
1842 #endif
1843     pf("N=%d\n", 2);
1844
1845 #ifdef CORRECT_CR_HANDLING
1846     pri\
1847 ntf("aaa=%d\n", 3);
1848 #endif
1849
1850     pri\
1851 \
1852 ntf("min=%d\n", 4);
1853
1854 #ifdef ACCEPT_CR_IN_STRINGS
1855     printf("len1=%d\n", strlen("
1856 "));
1857 #ifdef CORRECT_CR_HANDLING
1858     str = "
1859 ";
1860     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
1861 #endif
1862     printf("len1=%d\n", strlen("
a
1863 "));
1864 #endif /* ACCEPT_CR_IN_STRINGS */
1865 }
1866
1867 int reltab[3] = { 1, 2, 3 };
1868
1869 int *rel1 = &reltab[1];
1870 int *rel2 = &reltab[2];
1871
1872 void relocation_test(void)
1873 {
1874     printf("*rel1=%d\n", *rel1);
1875     printf("*rel2=%d\n", *rel2);
1876 }
1877
1878 void old_style_f(a,b,c)
1879      int a, b;
1880      double c;
1881 {
1882     printf("a=%d b=%d b=%f\n", a, b, c);
1883 }
1884
1885 void decl_func1(int cmpfn())
1886 {
1887     printf("cmpfn=%lx\n", (long)cmpfn);
1888 }
1889
1890 void decl_func2(cmpfn)
1891 int cmpfn();
1892 {
1893     printf("cmpfn=%lx\n", (long)cmpfn);
1894 }
1895
1896 void old_style_function(void)
1897 {
1898     old_style_f((void *)1, 2, 3.0);
1899     decl_func1(NULL);
1900     decl_func2(NULL);
1901 }
1902
1903 void sizeof_test(void)
1904 {
1905     int a;
1906     int **ptr;
1907
1908     printf("sizeof(int) = %d\n", sizeof(int));
1909     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
1910     printf("sizeof(long) = %d\n", sizeof(long));
1911     printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
1912     printf("sizeof(short) = %d\n", sizeof(short));
1913     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
1914     printf("sizeof(char) = %d\n", sizeof(char));
1915     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
1916     printf("sizeof(func) = %d\n", sizeof sizeof_test());
1917     a = 1;
1918     printf("sizeof(a++) = %d\n", sizeof a++);
1919     printf("a=%d\n", a);
1920     ptr = NULL;
1921     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
1922
1923     /* some alignof tests */
1924     printf("__alignof__(int) = %d\n", __alignof__(int));
1925     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
1926     printf("__alignof__(short) = %d\n", __alignof__(short));
1927     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
1928     printf("__alignof__(char) = %d\n", __alignof__(char));
1929     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
1930     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
1931 }
1932
1933 void typeof_test(void)
1934 {
1935     double a;
1936     typeof(a) b;
1937     typeof(float) c;
1938
1939     a = 1.5;
1940     b = 2.5;
1941     c = 3.5;
1942     printf("a=%f b=%f c=%f\n", a, b, c);
1943 }
1944
1945 void statement_expr_test(void)
1946 {
1947     int a, i;
1948
1949     a = 0;
1950     for(i=0;i<10;i++) {
1951         a += 1 +
1952             ( { int b, j;
1953                 b = 0;
1954                 for(j=0;j<5;j++)
1955                     b += j; b;
1956             } );
1957     }
1958     printf("a=%d\n", a);
1959
1960 }
1961
1962 void local_label_test(void)
1963 {
1964     int a;
1965     goto l1;
1966  l2:
1967     a = 1 + ({
1968         __label__ l1, l2, l3, l4;
1969         goto l1;
1970     l4:
1971         printf("aa1\n");
1972         goto l3;
1973     l2:
1974         printf("aa3\n");
1975         goto l4;
1976     l1:
1977         printf("aa2\n");
1978         goto l2;
1979     l3:;
1980         1;
1981     });
1982     printf("a=%d\n", a);
1983     return;
1984  l4:
1985     printf("bb1\n");
1986     goto l2;
1987  l1:
1988     printf("bb2\n");
1989     goto l4;
1990 }
1991
1992 /* inline assembler test */
1993 #ifdef __i386__
1994
1995 /* from linux kernel */
1996 static char * strncat1(char * dest,const char * src,size_t count)
1997 {
1998 int d0, d1, d2, d3;
1999 __asm__ __volatile__(
2000         "repne\n\t"
2001         "scasb\n\t"
2002         "decl %1\n\t"
2003         "movl %8,%3\n"
2004         "1:\tdecl %3\n\t"
2005         "js 2f\n\t"
2006         "lodsb\n\t"
2007         "stosb\n\t"
2008         "testb %%al,%%al\n\t"
2009         "jne 1b\n"
2010         "2:\txorl %2,%2\n\t"
2011         "stosb"
2012         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2013         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2014         : "memory");
2015 return dest;
2016 }
2017
2018 static inline void * memcpy1(void * to, const void * from, size_t n)
2019 {
2020 int d0, d1, d2;
2021 __asm__ __volatile__(
2022         "rep ; movsl\n\t"
2023         "testb $2,%b4\n\t"
2024         "je 1f\n\t"
2025         "movsw\n"
2026         "1:\ttestb $1,%b4\n\t"
2027         "je 2f\n\t"
2028         "movsb\n"
2029         "2:"
2030         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2031         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2032         : "memory");
2033 return (to);
2034 }
2035
2036 static __inline__ void sigaddset1(unsigned int *set, int _sig)
2037 {
2038         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2039 }
2040
2041 static __inline__ void sigdelset1(unsigned int *set, int _sig)
2042 {
2043         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2044 }
2045
2046 static __inline__ __const__ unsigned int swab32(unsigned int x)
2047 {
2048         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
2049                 "rorl $16,%0\n\t"       /* swap words           */
2050                 "xchgb %b0,%h0"         /* swap higher bytes    */
2051                 :"=q" (x)
2052                 : "0" (x));
2053         return x;
2054 }
2055
2056 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
2057 {
2058     unsigned long long res;
2059     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
2060     return res;
2061 }
2062
2063 static __inline__ unsigned long long inc64(unsigned long long a)
2064 {
2065     unsigned long long res;
2066     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
2067     return res;
2068 }
2069
2070 unsigned int set;
2071
2072 void asm_test(void)
2073 {
2074     char buf[128];
2075     unsigned int val;
2076
2077     printf("inline asm:\n");
2078     /* test the no operand case */
2079     asm volatile ("xorl %eax, %eax");
2080
2081     memcpy1(buf, "hello", 6);
2082     strncat1(buf, " worldXXXXX", 3);
2083     printf("%s\n", buf);
2084
2085     /* 'A' constraint test */
2086     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
2087     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
2088
2089     set = 0xff;
2090     sigdelset1(&set, 2);
2091     sigaddset1(&set, 16);
2092     /* NOTE: we test here if C labels are correctly restored after the
2093        asm statement */
2094     goto label1;
2095  label2:
2096     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
2097     printf("set=0x%x\n", set);
2098     val = 0x01020304;
2099     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
2100     return;
2101  label1:
2102     goto label2;
2103 }
2104
2105 #else
2106
2107 void asm_test(void)
2108 {
2109 }
2110
2111 #endif
2112
2113 #define COMPAT_TYPE(type1, type2) \
2114 {\
2115     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
2116            __builtin_types_compatible_p (type1, type2));\
2117 }
2118
2119 int constant_p_var;
2120
2121 void builtin_test(void)
2122 {
2123 #if GCC_MAJOR >= 3
2124     COMPAT_TYPE(int, int);
2125     COMPAT_TYPE(int, unsigned int);
2126     COMPAT_TYPE(int, char);
2127     COMPAT_TYPE(int, const int);
2128     COMPAT_TYPE(int, volatile int);
2129     COMPAT_TYPE(int *, int *);
2130     COMPAT_TYPE(int *, void *);
2131     COMPAT_TYPE(int *, const int *);
2132     COMPAT_TYPE(char *, unsigned char *);
2133 /* space is needed because tcc preprocessor introduces a space between each token */
2134     COMPAT_TYPE(char * *, void *);
2135 #endif
2136     printf("res = %d\n", __builtin_constant_p(1));
2137     printf("res = %d\n", __builtin_constant_p(1 + 2));
2138     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
2139     printf("res = %d\n", __builtin_constant_p(constant_p_var));
2140 }
2141
2142
2143 void const_func(const int a)
2144 {
2145 }
2146
2147 void const_warn_test(void)
2148 {
2149     const_func(1);
2150 }