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