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