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 /* __VA_ARGS__ and __func__ support */
  20 #define C99_MACROS
  21
  22 /* test various include syntaxes */
  23
  24 #define TCCLIB_INC <tcclib.h>
  25 #define TCCLIB_INC1 <tcclib
  26 #define TCCLIB_INC2 h>
  27 #define TCCLIB_INC3 "tcclib"
  28
  29 #include TCCLIB_INC
  30
  31 #include TCCLIB_INC1.TCCLIB_INC2
  32
  33 #include TCCLIB_INC1.h>
  34
  35 /* gcc 3.2 does not accept that (bug ?) */
  36 //#include TCCLIB_INC3 ".h"
  37
  38 #include <tcclib.h>
  39
  40 #include "tcclib.h"
  41
  42 void string_test();
  43 void expr_test();
  44 void macro_test();
  45 void scope_test();
  46 void forward_test();
  47 void funcptr_test();
  48 void loop_test();
  49 void switch_test();
  50 void goto_test();
  51 void enum_test();
  52 void typedef_test();
  53 void struct_test();
  54 void array_test();
  55 void expr_ptr_test();
  56 void bool_test();
  57 void expr2_test();
  58 void constant_expr_test();
  59 void expr_cmp_test();
  60 void char_short_test();
  61 void init_test(void);
  62 void compound_literal_test(void);
  63 int kr_test();
  64 void struct_assign_test(void);
  65 void cast_test(void);
  66 void bitfield_test(void);
  67 void c99_bool_test(void);
  68 void float_test(void);
  69 void longlong_test(void);
  70 void stdarg_test(void);
  71 void whitespace_test(void);
  72 void relocation_test(void);
  73 void old_style_function(void);
  74 void sizeof_test(void);
  75 void typeof_test(void);
  76 void local_label_test(void);
  77 void statement_expr_test(void);
  78 void asm_test(void);
  79 void builtin_test(void);
  80
  81 int fib(int n);
  82 void num(int n);
  83 void forward_ref(void);
  84 int isid(int c);
  85
  86 #define A 2
  87 #define N 1234 + A
  88 #define pf printf
  89 #define M1(a, b)  (a) + (b)
  90
  91 #define str\
  92 (s) # s
  93 #define glue(a, b) a ## b
  94 #define xglue(a, b) glue(a, b)
  95 #define HIGHLOW "hello"
  96 #define LOW LOW ", world"
  97
  98 #define min(a, b) ((a) < (b) ? (a) : (b))
  99
 100 #ifdef C99_MACROS
 101 #define dprintf(level,...) printf(__VA_ARGS__)
 102 #endif
 103
 104 /* gcc vararg macros */
 105 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
 106
 107 #define MACRO_NOARGS()
 108
 109 #define AAA 3
 110 #undef AAA
 111 #define AAA 4
 112
 113 #if 1
 114 #define B3 1
 115 #elif 1
 116 #define B3 2
 117 #elif 0
 118 #define B3 3
 119 #else
 120 #define B3 4
 121 #endif
 122
 123 #define __INT64_C(c)    c ## LL
 124 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 125
 126 int qq(int x)
 127 {
 128     return x + 40;
 129 }
 130 #define qq(x) x
 131
 132 void macro_test(void)
 133 {
 134     printf("macro:\n");\f\v
 135     pf("N=%d\n", N);
 136     printf("aaa=%d\n", AAA);
 137
 138     printf("min=%d\n", min(1, min(2, -1)));
 139
 140     printf("s1=%s\n", glue(HIGH, LOW));
 141     printf("s2=%s\n", xglue(HIGH, LOW));
 142     printf("s3=%s\n", str("c"));
 143     printf("s4=%s\n", str(a1));
 144     printf("B3=%d\n", B3);
 145
 146 #ifdef A
 147     printf("A defined\n");
 148 #endif
 149 #ifdef B
 150     printf("B defined\n");
 151 #endif
 152 #ifdef A
 153     printf("A defined\n");
 154 #else
 155     printf("A not defined\n");
 156 #endif
 157 #ifdef B
 158     printf("B defined\n");
 159 #else
 160     printf("B not defined\n");
 161 #endif
 162
 163 #ifdef A
 164     printf("A defined\n");
 165 #ifdef B
 166     printf("B1 defined\n");
 167 #else
 168     printf("B1 not defined\n");
 169 #endif
 170 #else
 171     printf("A not defined\n");
 172 #ifdef B
 173     printf("B2 defined\n");
 174 #else
 175     printf("B2 not defined\n");
 176 #endif
 177 #endif
 178
 179 #if 1+1
 180     printf("test true1\n");
 181 #endif
 182 #if 0
 183     printf("test true2\n");
 184 #endif
 185 #if 1-1
 186     printf("test true3\n");
 187 #endif
 188 #if defined(A)
 189     printf("test trueA\n");
 190 #endif
 191 #if defined(B)
 192     printf("test trueB\n");
 193 #endif
 194
 195 #if 0
 196     printf("test 0\n");
 197 #elif 0
 198     printf("test 1\n");
 199 #elif 2
 200     printf("test 2\n");
 201 #else
 202     printf("test 3\n");
 203 #endif
 204
 205     MACRO_NOARGS();
 206
 207 #ifdef __LINE__
 208     printf("__LINE__ defined\n");
 209 #endif
 210
 211     printf("__LINE__=%d __FILE__=%s\n",
 212            __LINE__, __FILE__);
 213 #line 200
 214     printf("__LINE__=%d __FILE__=%s\n",
 215            __LINE__, __FILE__);
 216 #line 203 "test"
 217     printf("__LINE__=%d __FILE__=%s\n",
 218            __LINE__, __FILE__);
 219 #line 220 "tcctest.c"
 220
 221     /* not strictly preprocessor, but we test it there */
 222 #ifdef C99_MACROS
 223     printf("__func__ = %s\n", __func__);
 224     dprintf(1, "vaarg=%d\n", 1);
 225 #endif
 226     dprintf1(1, "vaarg1\n");
 227     dprintf1(1, "vaarg1=%d\n", 2);
 228     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 229
 230     /* gcc extension */
 231     printf("func='%s'\n", __FUNCTION__);
 232
 233     /* complicated macros in glibc */
 234     printf("INT64_MIN=%Ld\n", INT64_MIN);
 235     {
 236         int a;
 237         a = 1;
 238         glue(a+, +);
 239         printf("a=%d\n", a);
 240         glue(a <, <= 2);
 241         printf("a=%d\n", a);
 242     }
 243
 244     /* macro function with argument outside the macro string */
 245 #define MF_s MF_hello
 246 #define MF_hello(msg) printf("%s\n",msg)
 247
 248 #define MF_t printf("tralala\n"); MF_hello
 249
 250     MF_s("hi");
 251     MF_t("hi");
 252
 253     /* test macro substituion inside args (should not eat stream) */
 254     printf("qq=%d\n", qq(qq)(2));
 255
 256     /* test zero argument case. NOTE: gcc 2.95.x does not accept a
 257        null argument without a space. gcc 3.2 fixes that. */
 258
 259 #define qq1(x) 1
 260     printf("qq1=%d\n", qq1( ));
 261
 262     /* comment with stray handling *\
 263 /
 264        /* this is a valid *\/ comment */
 265        /* this is a valid comment *\*/
 266     //  this is a valid\
 267 comment
 268 }
 269
 270 int op(a,b)
 271 {
 272     return a / b;
 273 }
 274
 275 int ret(a)
 276 {
 277     if (a == 2)
 278         return 1;
 279     if (a == 3)
 280         return 2;
 281     return 0;
 282 }
 283
 284 void ps(const char *s)
 285 {
 286     int c;
 287     while (1) {
 288         c = *s;
 289         if (c == 0)
 290             break;
 291         printf("%c", c);
 292         s++;
 293     }
 294 }
 295
 296 const char foo1_string[] = "\
 297 bar\n\
 298 test\14\
 299 1";
 300
 301 void string_test()
 302 {
 303     int b;
 304     printf("string:\n");
 305     printf("\141\1423\143\n");/* dezdez test */
 306     printf("\x41\x42\x43\x3a\n");
 307     printf("c=%c\n", 'r');
 308     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 309     printf("foo1_string='%s'\n", foo1_string);
 310 #if 0
 311     printf("wstring=%S\n", L"abc");
 312     printf("wstring=%S\n", L"abc" L"def" "ghi");
 313     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 314     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 315 #endif
 316     ps("test\n");
 317     b = 32;
 318     while ((b = b + 1) < 96) {
 319         printf("%c", b);
 320     }
 321     printf("\n");
 322     printf("fib=%d\n", fib(33));
 323     b = 262144;
 324     while (b != 0x80000000) {
 325         num(b);
 326         b = b * 2;
 327     }
 328 }
 329
 330 void loop_test()
 331 {
 332     int i;
 333     i = 0;
 334     while (i < 10)
 335         printf("%d", i++);
 336     printf("\n");
 337     for(i = 0; i < 10;i++)
 338         printf("%d", i);
 339     printf("\n");
 340     i = 0;
 341     do {
 342         printf("%d", i++);
 343     } while (i < 10);
 344     printf("\n");
 345
 346     /* break/continue tests */
 347     i = 0;
 348     while (1) {
 349         if (i == 6)
 350             break;
 351         i++;
 352         if (i == 3)
 353             continue;
 354         printf("%d", i);
 355     }
 356     printf("\n");
 357
 358     /* break/continue tests */
 359     i = 0;
 360     do {
 361         if (i == 6)
 362             break;
 363         i++;
 364         if (i == 3)
 365             continue;
 366         printf("%d", i);
 367     } while(1);
 368     printf("\n");
 369
 370     for(i = 0;i < 10;i++) {
 371         if (i == 3)
 372             continue;
 373         printf("%d", i);
 374     }
 375     printf("\n");
 376 }
 377
 378
 379 void goto_test()
 380 {
 381     int i;
 382     static void *label_table[3] = { &&label1, &&label2, &&label3 };
 383
 384     printf("goto:\n");
 385     i = 0;
 386  s_loop:
 387     if (i >= 10)
 388         goto s_end;
 389     printf("%d", i);
 390     i++;
 391     goto s_loop;
 392  s_end:
 393     printf("\n");
 394
 395     /* we also test computed gotos (GCC extension) */
 396     for(i=0;i<3;i++) {
 397         goto *label_table[i];
 398     label1:
 399         printf("label1\n");
 400         goto next;
 401     label2:
 402         printf("label2\n");
 403         goto next;
 404     label3:
 405         printf("label3\n");
 406     next: ;
 407     }
 408 }
 409
 410 enum {
 411     E0,
 412     E1 = 2,
 413     E2 = 4,
 414     E3,
 415     E4,
 416 };
 417
 418 enum test {
 419     E5 = 1000,
 420 };
 421
 422 void enum_test()
 423 {
 424     enum test b1;
 425     printf("enum:\n%d %d %d %d %d %d\n",
 426            E0, E1, E2, E3, E4, E5);
 427     b1 = 1;
 428     printf("b1=%d\n", b1);
 429 }
 430
 431 typedef int *my_ptr;
 432
 433 void typedef_test()
 434 {
 435     my_ptr a;
 436     int b;
 437     a = &b;
 438     *a = 1234;
 439     printf("typedef:\n");
 440     printf("a=%d\n", *a);
 441 }
 442
 443 void forward_test()
 444 {
 445     printf("forward:\n");
 446     forward_ref();
 447     forward_ref();
 448 }
 449
 450
 451 void forward_ref(void)
 452 {
 453     printf("forward ok\n");
 454 }
 455
 456 typedef struct struct1 {
 457     int f1;
 458     int f2, f3;
 459     union union1 {
 460         int v1;
 461         int v2;
 462     } u;
 463     char str[3];
 464 } struct1;
 465
 466 struct struct2 {
 467     int a;
 468     char b;
 469 };
 470
 471 union union2 {
 472     int w1;
 473     int w2;
 474 };
 475
 476 struct struct1 st1, st2;
 477
 478 int main(int argc, char **argv)
 479 {
 480     string_test();
 481     expr_test();
 482     macro_test();
 483     scope_test();
 484     forward_test();
 485     funcptr_test();
 486     loop_test();
 487     switch_test();
 488     goto_test();
 489     enum_test();
 490     typedef_test();
 491     struct_test();
 492     array_test();
 493     expr_ptr_test();
 494     bool_test();
 495     expr2_test();
 496     constant_expr_test();
 497     expr_cmp_test();
 498     char_short_test();
 499     init_test();
 500     compound_literal_test();
 501     kr_test();
 502     struct_assign_test();
 503     cast_test();
 504     bitfield_test();
 505     c99_bool_test();
 506     float_test();
 507     longlong_test();
 508     stdarg_test();
 509     whitespace_test();
 510     relocation_test();
 511     old_style_function();
 512     sizeof_test();
 513     typeof_test();
 514     statement_expr_test();
 515     local_label_test();
 516     asm_test();
 517     builtin_test();
 518     return 0;
 519 }
 520
 521 int tab[3];
 522 int tab2[3][2];
 523
 524 int g;
 525
 526 void f1(g)
 527 {
 528     printf("g1=%d\n", g);
 529 }
 530
 531 void scope_test()
 532 {
 533     printf("scope:\n");
 534     g = 2;
 535     f1(1);
 536     printf("g2=%d\n", g);
 537     {
 538         int g;
 539         g = 3;
 540         printf("g3=%d\n", g);
 541         {
 542             int g;
 543             g = 4;
 544             printf("g4=%d\n", g);
 545         }
 546     }
 547     printf("g5=%d\n", g);
 548 }
 549
 550 void array_test(int a[4])
 551 {
 552     int i, j;
 553
 554     printf("array:\n");
 555     printf("sizeof(a) = %d\n", sizeof(a));
 556     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 557 #ifdef C99_MACROS
 558     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 559 #endif
 560     printf("sizeof tab %d\n", sizeof(tab));
 561     printf("sizeof tab2 %d\n", sizeof tab2);
 562     tab[0] = 1;
 563     tab[1] = 2;
 564     tab[2] = 3;
 565     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 566     for(i=0;i<3;i++)
 567         for(j=0;j<2;j++)
 568             tab2[i][j] = 10 * i + j;
 569     for(i=0;i<3*2;i++) {
 570         printf(" %3d", ((int *)tab2)[i]);
 571     }
 572     printf("\n");
 573 }
 574
 575 void expr_test()
 576 {
 577     int a, b;
 578     a = 0;
 579     printf("%d\n", a += 1);
 580     printf("%d\n", a -= 2);
 581     printf("%d\n", a *= 31232132);
 582     printf("%d\n", a /= 4);
 583     printf("%d\n", a %= 20);
 584     printf("%d\n", a &= 6);
 585     printf("%d\n", a ^= 7);
 586     printf("%d\n", a |= 8);
 587     printf("%d\n", a >>= 3);
 588     printf("%d\n", a <<= 4);
 589
 590     a = 22321;
 591     b = -22321;
 592     printf("%d\n", a + 1);
 593     printf("%d\n", a - 2);
 594     printf("%d\n", a * 312);
 595     printf("%d\n", a / 4);
 596     printf("%d\n", b / 4);
 597     printf("%d\n", (unsigned)b / 4);
 598     printf("%d\n", a % 20);
 599     printf("%d\n", b % 20);
 600     printf("%d\n", (unsigned)b % 20);
 601     printf("%d\n", a & 6);
 602     printf("%d\n", a ^ 7);
 603     printf("%d\n", a | 8);
 604     printf("%d\n", a >> 3);
 605     printf("%d\n", b >> 3);
 606     printf("%d\n", (unsigned)b >> 3);
 607     printf("%d\n", a << 4);
 608     printf("%d\n", ~a);
 609     printf("%d\n", -a);
 610     printf("%d\n", +a);
 611
 612     printf("%d\n", 12 + 1);
 613     printf("%d\n", 12 - 2);
 614     printf("%d\n", 12 * 312);
 615     printf("%d\n", 12 / 4);
 616     printf("%d\n", 12 % 20);
 617     printf("%d\n", 12 & 6);
 618     printf("%d\n", 12 ^ 7);
 619     printf("%d\n", 12 | 8);
 620     printf("%d\n", 12 >> 2);
 621     printf("%d\n", 12 << 4);
 622     printf("%d\n", ~12);
 623     printf("%d\n", -12);
 624     printf("%d\n", +12);
 625     printf("%d %d %d %d\n",
 626            isid('a'),
 627            isid('g'),
 628            isid('T'),
 629            isid('('));
 630 }
 631
 632 int isid(int c)
 633 {
 634     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 635 }
 636
 637 /**********************/
 638
 639 int vstack[10], *vstack_ptr;
 640
 641 void vpush(int vt, int vc)
 642 {
 643     *vstack_ptr++ = vt;
 644     *vstack_ptr++ = vc;
 645 }
 646
 647 void vpop(int *ft, int *fc)
 648 {
 649     *fc = *--vstack_ptr;
 650     *ft = *--vstack_ptr;
 651 }
 652
 653 void expr2_test()
 654 {
 655     int a, b;
 656
 657     printf("expr2:\n");
 658     vstack_ptr = vstack;
 659     vpush(1432432, 2);
 660     vstack_ptr[-2] &= ~0xffffff80;
 661     vpop(&a, &b);
 662     printf("res= %d %d\n", a, b);
 663 }
 664
 665 void constant_expr_test()
 666 {
 667     int a;
 668     printf("constant_expr:\n");
 669     a = 3;
 670     printf("%d\n", a * 16);
 671     printf("%d\n", a * 1);
 672     printf("%d\n", a + 0);
 673 }
 674
 675 int tab4[10];
 676
 677 void expr_ptr_test()
 678 {
 679     int *p, *q;
 680
 681     printf("expr_ptr:\n");
 682     p = tab4;
 683     q = tab4 + 10;
 684     printf("diff=%d\n", q - p);
 685     p++;
 686     printf("inc=%d\n", p - tab4);
 687     p--;
 688     printf("dec=%d\n", p - tab4);
 689     ++p;
 690     printf("inc=%d\n", p - tab4);
 691     --p;
 692     printf("dec=%d\n", p - tab4);
 693     printf("add=%d\n", p + 3 - tab4);
 694     printf("add=%d\n", 3 + p - tab4);
 695 }
 696
 697 void expr_cmp_test()
 698 {
 699     int a, b;
 700     printf("constant_expr:\n");
 701     a = -1;
 702     b = 1;
 703     printf("%d\n", a == a);
 704     printf("%d\n", a != a);
 705
 706     printf("%d\n", a < b);
 707     printf("%d\n", a <= b);
 708     printf("%d\n", a <= a);
 709     printf("%d\n", b >= a);
 710     printf("%d\n", a >= a);
 711     printf("%d\n", b > a);
 712
 713     printf("%d\n", (unsigned)a < b);
 714     printf("%d\n", (unsigned)a <= b);
 715     printf("%d\n", (unsigned)a <= a);
 716     printf("%d\n", (unsigned)b >= a);
 717     printf("%d\n", (unsigned)a >= a);
 718     printf("%d\n", (unsigned)b > a);
 719 }
 720
 721 struct empty {
 722 };
 723
 724 struct aligntest1 {
 725     char a[10];
 726 };
 727
 728 struct aligntest2 {
 729     int a;
 730     char b[10];
 731 };
 732
 733 struct aligntest3 {
 734     double a, b;
 735 };
 736
 737 struct aligntest4 {
 738     double a[0];
 739 };
 740
 741 void struct_test()
 742 {
 743     struct1 *s;
 744     union union2 u;
 745
 746     printf("struct:\n");
 747     printf("sizes: %d %d %d %d\n",
 748            sizeof(struct struct1),
 749            sizeof(struct struct2),
 750            sizeof(union union1),
 751            sizeof(union union2));
 752     st1.f1 = 1;
 753     st1.f2 = 2;
 754     st1.f3 = 3;
 755     printf("st1: %d %d %d\n",
 756            st1.f1, st1.f2, st1.f3);
 757     st1.u.v1 = 1;
 758     st1.u.v2 = 2;
 759     printf("union1: %d\n", st1.u.v1);
 760     u.w1 = 1;
 761     u.w2 = 2;
 762     printf("union2: %d\n", u.w1);
 763     s = &st2;
 764     s->f1 = 3;
 765     s->f2 = 2;
 766     s->f3 = 1;
 767     printf("st2: %d %d %d\n",
 768            s->f1, s->f2, s->f3);
 769     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 770
 771     /* align / size tests */
 772     printf("aligntest1 sizeof=%d alignof=%d\n",
 773            sizeof(struct aligntest1), __alignof__(struct aligntest1));
 774     printf("aligntest2 sizeof=%d alignof=%d\n",
 775            sizeof(struct aligntest2), __alignof__(struct aligntest2));
 776     printf("aligntest3 sizeof=%d alignof=%d\n",
 777            sizeof(struct aligntest3), __alignof__(struct aligntest3));
 778     printf("aligntest4 sizeof=%d alignof=%d\n",
 779            sizeof(struct aligntest4), __alignof__(struct aligntest4));
 780
 781     /* empty structures (GCC extension) */
 782     printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
 783     printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
 784 }
 785
 786 /* XXX: depend on endianness */
 787 void char_short_test()
 788 {
 789     int var1, var2;
 790
 791     printf("char_short:\n");
 792
 793     var1 = 0x01020304;
 794     var2 = 0xfffefdfc;
 795     printf("s8=%d %d\n",
 796            *(char *)&var1, *(char *)&var2);
 797     printf("u8=%d %d\n",
 798            *(unsigned char *)&var1, *(unsigned char *)&var2);
 799     printf("s16=%d %d\n",
 800            *(short *)&var1, *(short *)&var2);
 801     printf("u16=%d %d\n",
 802            *(unsigned short *)&var1, *(unsigned short *)&var2);
 803     printf("s32=%d %d\n",
 804            *(int *)&var1, *(int *)&var2);
 805     printf("u32=%d %d\n",
 806            *(unsigned int *)&var1, *(unsigned int *)&var2);
 807     *(char *)&var1 = 0x08;
 808     printf("var1=%x\n", var1);
 809     *(short *)&var1 = 0x0809;
 810     printf("var1=%x\n", var1);
 811     *(int *)&var1 = 0x08090a0b;
 812     printf("var1=%x\n", var1);
 813 }
 814
 815 /******************/
 816
 817 typedef struct Sym {
 818     int v;
 819     int t;
 820     int c;
 821     struct Sym *next;
 822     struct Sym *prev;
 823 } Sym;
 824
 825 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 826 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
 827
 828 static int toupper1(int a)
 829 {
 830     return TOUPPER(a);
 831 }
 832
 833 void bool_test()
 834 {
 835     int *s, a, b, t, f, i;
 836
 837     a = 0;
 838     s = (void*)0;
 839     printf("!s=%d\n", !s);
 840
 841     if (!s || !s[0])
 842         a = 1;
 843     printf("a=%d\n", a);
 844
 845     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
 846     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
 847     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
 848 #if 1 && 1
 849     printf("a1\n");
 850 #endif
 851 #if 1 || 0
 852     printf("a2\n");
 853 #endif
 854 #if 1 ? 0 : 1
 855     printf("a3\n");
 856 #endif
 857 #if 0 ? 0 : 1
 858     printf("a4\n");
 859 #endif
 860
 861     a = 4;
 862     printf("b=%d\n", a + (0 ? 1 : a / 2));
 863
 864     /* test register spilling */
 865     a = 10;
 866     b = 10;
 867     a = (a + b) * ((a < b) ?
 868                    ((b - a) * (a - b)): a + b);
 869     printf("a=%d\n", a);
 870
 871     /* test complex || or && expressions */
 872     t = 1;
 873     f = 0;
 874     a = 32;
 875     printf("exp=%d\n", f == (32 <= a && a <= 3));
 876     printf("r=%d\n", (t || f) + (t && f));
 877
 878     /* test ? : cast */
 879     {
 880         int aspect_on;
 881         int aspect_native = 65536;
 882         double bfu_aspect = 1.0;
 883         int aspect;
 884         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
 885             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
 886             printf("aspect=%d\n", aspect);
 887         }
 888     }
 889
 890     /* test ? : GCC extension */
 891     {
 892         static int v1 = 34 ? : -1; /* constant case */
 893         static int v2 = 0 ? : -1; /* constant case */
 894         int a = 30;
 895
 896         printf("%d %d\n", v1, v2);
 897         printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
 898     }
 899
 900     /* again complex expression */
 901     for(i=0;i<256;i++) {
 902         if (toupper1 (i) != TOUPPER (i))
 903             printf("error %d\n", i);
 904     }
 905 }
 906
 907 /* GCC accepts that */
 908 static int tab_reinit[];
 909 static int tab_reinit[10];
 910
 911 //int cinit1; /* a global variable can be defined several times without error ! */
 912 int cinit1;
 913 int cinit1;
 914 int cinit1 = 0;
 915 int *cinit2 = (int []){3, 2, 1};
 916
 917 void compound_literal_test(void)
 918 {
 919     int *p, i;
 920     char *q, *q3;
 921
 922     printf("compound_test:\n");
 923
 924     p = (int []){1, 2, 3};
 925     for(i=0;i<3;i++)
 926         printf(" %d", p[i]);
 927     printf("\n");
 928
 929     for(i=0;i<3;i++)
 930         printf("%d", cinit2[i]);
 931     printf("\n");
 932
 933     q = "tralala1";
 934     printf("q1=%s\n", q);
 935
 936     q = (char *){ "tralala2" };
 937     printf("q2=%s\n", q);
 938
 939     q3 = (char *){ q };
 940     printf("q3=%s\n", q3);
 941
 942     q = (char []){ "tralala3" };
 943     printf("q4=%s\n", q);
 944
 945 #ifdef ALL_ISOC99
 946     p = (int []){1, 2, cinit1 + 3};
 947     for(i=0;i<3;i++)
 948         printf(" %d", p[i]);
 949     printf("\n");
 950
 951     for(i=0;i<3;i++) {
 952         p = (int []){1, 2, 4 + i};
 953         printf("%d %d %d\n",
 954                p[0],
 955                p[1],
 956                p[2]);
 957     }
 958 #endif
 959 }
 960
 961 /* K & R protos */
 962
 963 kr_func1(a, b)
 964 {
 965     return a + b;
 966 }
 967
 968 int kr_func2(a, b)
 969 {
 970     return a + b;
 971 }
 972
 973 kr_test()
 974 {
 975     printf("kr_test:\n");
 976     printf("func1=%d\n", kr_func1(3, 4));
 977     printf("func2=%d\n", kr_func2(3, 4));
 978     return 0;
 979 }
 980
 981 void num(int n)
 982 {
 983     char *tab, *p;
 984     tab = (char*)malloc(20);
 985     p = tab;
 986     while (1) {
 987         *p = 48 + (n % 10);
 988         p++;
 989         n = n / 10;
 990         if (n == 0)
 991             break;
 992     }
 993     while (p != tab) {
 994         p--;
 995         printf("%c", *p);
 996     }
 997     printf("\n");
 998 }
 999
1000 /* structure assignment tests */
1001 struct structa1 {
1002     int f1;
1003     char f2;
1004 };
1005
1006 struct structa1 ssta1;
1007
1008 void struct_assign_test1(struct structa1 s1, int t)
1009 {
1010     printf("%d %d %d\n", s1.f1, s1.f2, t);
1011 }
1012
1013 struct structa1 struct_assign_test2(struct structa1 s1, int t)
1014 {
1015     s1.f1 += t;
1016     s1.f2 -= t;
1017     return s1;
1018 }
1019
1020 void struct_assign_test(void)
1021 {
1022     struct structa1 lsta1, lsta2;
1023
1024 #if 0
1025     printf("struct_assign_test:\n");
1026
1027     lsta1.f1 = 1;
1028     lsta1.f2 = 2;
1029     printf("%d %d\n", lsta1.f1, lsta1.f2);
1030     lsta2 = lsta1;
1031     printf("%d %d\n", lsta2.f1, lsta2.f2);
1032 #else
1033     lsta2.f1 = 1;
1034     lsta2.f2 = 2;
1035 #endif
1036     struct_assign_test1(lsta2, 3);
1037
1038     printf("before call: %d %d\n", lsta2.f1, lsta2.f2);
1039     lsta2 = struct_assign_test2(lsta2, 4);
1040     printf("after call: %d %d\n", lsta2.f1, lsta2.f2);
1041 }
1042
1043 /* casts to short/char */
1044
1045 void cast1(char a, short b, unsigned char c, unsigned short d)
1046 {
1047     printf("%d %d %d %d\n", a, b, c, d);
1048 }
1049
1050 char bcast;
1051 short scast;
1052
1053 void cast_test()
1054 {
1055     int a;
1056     char c;
1057     char tab[10];
1058
1059     printf("cast_test:\n");
1060     a = 0xfffff;
1061     cast1(a, a, a, a);
1062     a = 0xffffe;
1063     printf("%d %d %d %d\n",
1064            (char)(a + 1),
1065            (short)(a + 1),
1066            (unsigned char)(a + 1),
1067            (unsigned short)(a + 1));
1068     printf("%d %d %d %d\n",
1069            (char)0xfffff,
1070            (short)0xfffff,
1071            (unsigned char)0xfffff,
1072            (unsigned short)0xfffff);
1073
1074     a = (bcast = 128) + 1;
1075     printf("%d\n", a);
1076     a = (scast = 65536) + 1;
1077     printf("%d\n", a);
1078
1079     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
1080
1081     /* test implicit int casting for array accesses */
1082     c = 0;
1083     tab[1] = 2;
1084     tab[c] = 1;
1085     printf("%d %d\n", tab[0], tab[1]);
1086
1087     /* test implicit casting on some operators */
1088     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
1089     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
1090     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
1091 }
1092
1093 /* initializers tests */
1094 struct structinit1 {
1095     int f1;
1096     char f2;
1097     short f3;
1098     int farray[3];
1099 };
1100
1101 int sinit1 = 2;
1102 int sinit2 = { 3 };
1103 int sinit3[3] = { 1, 2, {{3}}, };
1104 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1105 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1106 int sinit6[] = { 1, 2, 3 };
1107 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1108 char sinit8[] = "hello" "trala";
1109
1110 struct structinit1 sinit9 = { 1, 2, 3 };
1111 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1112 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1113 #ifdef ALL_ISOC99
1114                                .farray[0] = 10,
1115                                .farray[1] = 11,
1116                                .farray[2] = 12,
1117 #endif
1118 };
1119
1120 char *sinit12 = "hello world";
1121 char *sinit13[] = {
1122     "test1",
1123     "test2",
1124     "test3",
1125 };
1126 char sinit14[10] = { "abc" };
1127 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1128
1129 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1130
1131 struct bar {
1132         char *s;
1133         int len;
1134 } sinit17[] = {
1135         "a1", 4,
1136         "a2", 1
1137 };
1138
1139 int sinit18[10] = {
1140     [2 ... 5] = 20,
1141     2,
1142     [8] = 10,
1143 };
1144
1145 void init_test(void)
1146 {
1147     int linit1 = 2;
1148     int linit2 = { 3 };
1149     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1150     int linit6[] = { 1, 2, 3 };
1151     int i, j;
1152     char linit8[] = "hello" "trala";
1153     int linit12[10] = { 1, 2 };
1154     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1155     char linit14[10] = "abc";
1156     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1157     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1158     int linit17 = sizeof(linit17);
1159
1160     printf("init_test:\n");
1161
1162     printf("sinit1=%d\n", sinit1);
1163     printf("sinit2=%d\n", sinit2);
1164     printf("sinit3=%d %d %d %d\n",
1165            sizeof(sinit3),
1166            sinit3[0],
1167            sinit3[1],
1168            sinit3[2]
1169            );
1170     printf("sinit6=%d\n", sizeof(sinit6));
1171     printf("sinit7=%d %d %d %d\n",
1172            sizeof(sinit7),
1173            sinit7[0],
1174            sinit7[1],
1175            sinit7[2]
1176            );
1177     printf("sinit8=%s\n", sinit8);
1178     printf("sinit9=%d %d %d\n",
1179            sinit9.f1,
1180            sinit9.f2,
1181            sinit9.f3
1182            );
1183     printf("sinit10=%d %d %d\n",
1184            sinit10.f1,
1185            sinit10.f2,
1186            sinit10.f3
1187            );
1188     printf("sinit11=%d %d %d %d %d %d\n",
1189            sinit11.f1,
1190            sinit11.f2,
1191            sinit11.f3,
1192            sinit11.farray[0],
1193            sinit11.farray[1],
1194            sinit11.farray[2]
1195            );
1196
1197     for(i=0;i<3;i++)
1198         for(j=0;j<2;j++)
1199             printf("[%d][%d] = %d %d %d\n",
1200                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1201     printf("linit1=%d\n", linit1);
1202     printf("linit2=%d\n", linit2);
1203     printf("linit6=%d\n", sizeof(linit6));
1204     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1205
1206     printf("sinit12=%s\n", sinit12);
1207     printf("sinit13=%d %s %s %s\n",
1208            sizeof(sinit13),
1209            sinit13[0],
1210            sinit13[1],
1211            sinit13[2]);
1212     printf("sinit14=%s\n", sinit14);
1213
1214     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1215     printf("\n");
1216     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1217     printf("\n");
1218     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1219     printf("\n");
1220     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1221     printf("\n");
1222     printf("%d %d %d %d\n",
1223            linit16.a1,
1224            linit16.a2,
1225            linit16.a3,
1226            linit16.a4);
1227     /* test that initialisation is done after variable declare */
1228     printf("linit17=%d\n", linit17);
1229     printf("sinit15=%d\n", sinit15[0]);
1230     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1231     printf("sinit17=%s %d %s %d\n",
1232            sinit17[0].s, sinit17[0].len,
1233            sinit17[1].s, sinit17[1].len);
1234     for(i=0;i<10;i++)
1235         printf("%x ", sinit18[i]);
1236     printf("\n");
1237 }
1238
1239
1240 void switch_test()
1241 {
1242     int i;
1243
1244     for(i=0;i<15;i++) {
1245         switch(i) {
1246         case 0:
1247         case 1:
1248             printf("a");
1249             break;
1250         default:
1251             printf("%d", i);
1252             break;
1253         case 8 ... 12:
1254             printf("c");
1255             break;
1256         case 3:
1257             printf("b");
1258             break;
1259         }
1260     }
1261     printf("\n");
1262 }
1263
1264 /* ISOC99 _Bool type */
1265 void c99_bool_test(void)
1266 {
1267 #ifdef BOOL_ISOC99
1268     int a;
1269     _Bool b;
1270
1271     printf("bool_test:\n");
1272     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1273     a = 3;
1274     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1275     b = 3;
1276     printf("b = %d\n", b);
1277     b++;
1278     printf("b = %d\n", b);
1279 #endif
1280 }
1281
1282 void bitfield_test(void)
1283 {
1284     int a;
1285     struct sbf1 {
1286         int f1 : 3;
1287         int : 2;
1288         int f2 : 1;
1289         int : 0;
1290         int f3 : 5;
1291         int f4 : 7;
1292         unsigned int f5 : 7;
1293     } st1;
1294     printf("bitfield_test:");
1295     printf("sizeof(st1) = %d\n", sizeof(st1));
1296
1297     st1.f1 = 3;
1298     st1.f2 = 1;
1299     st1.f3 = 15;
1300     a = 120;
1301     st1.f4 = a;
1302     st1.f5 = a;
1303     st1.f5++;
1304     printf("%d %d %d %d %d\n",
1305            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1306 }
1307
1308 #define FTEST(prefix, type, fmt)\
1309 void prefix ## cmp(type a, type b)\
1310 {\
1311     printf("%d %d %d %d %d %d\n",\
1312            a == b,\
1313            a != b,\
1314            a < b,\
1315            a > b,\
1316            a >= b,\
1317            a <= b);\
1318     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1319            a,\
1320            b,\
1321            a + b,\
1322            a - b,\
1323            a * b,\
1324            a / b,\
1325            -a);\
1326     printf(fmt "\n", ++a);\
1327     printf(fmt "\n", a++);\
1328     printf(fmt "\n", a);\
1329 }\
1330 void prefix ## fcast(type a)\
1331 {\
1332     float fa;\
1333     double da;\
1334     long double la;\
1335     int ia;\
1336     unsigned int ua;\
1337     type b;\
1338     fa = a;\
1339     da = a;\
1340     la = a;\
1341     printf("ftof: %f %f %Lf\n", fa, da, la);\
1342     ia = (int)a;\
1343     ua = (unsigned int)a;\
1344     printf("ftoi: %d %u\n", ia, ua);\
1345     ia = -1234;\
1346     ua = 0x81234500;\
1347     b = ia;\
1348     printf("itof: " fmt "\n", b);\
1349     b = ua;\
1350     printf("utof: " fmt "\n", b);\
1351 }\
1352 \
1353 void prefix ## test(void)\
1354 {\
1355     printf("testing '%s'\n", #type);\
1356     prefix ## cmp(1, 2.5);\
1357     prefix ## cmp(2, 1.5);\
1358     prefix ## cmp(1, 1);\
1359     prefix ## fcast(234.6);\
1360     prefix ## fcast(-2334.6);\
1361 }
1362
1363 FTEST(f, float, "%f")
1364 FTEST(d, double, "%f")
1365 FTEST(ld, long double, "%Lf")
1366
1367 double ftab1[3] = { 1.2, 3.4, -5.6 };
1368
1369
1370 void float_test(void)
1371 {
1372     float fa, fb;
1373     double da, db;
1374     int a;
1375     unsigned int b;
1376
1377     printf("float_test:\n");
1378     printf("sizeof(float) = %d\n", sizeof(float));
1379     printf("sizeof(double) = %d\n", sizeof(double));
1380     printf("sizeof(long double) = %d\n", sizeof(long double));
1381     ftest();
1382     dtest();
1383     ldtest();
1384     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1385     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1386     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1387     da = 123;
1388     printf("da=%f\n", da);
1389     fa = 123;
1390     printf("fa=%f\n", fa);
1391     a = 4000000000;
1392     da = a;
1393     printf("da = %f\n", da);
1394     b = 4000000000;
1395     db = b;
1396     printf("db = %f\n", db);
1397 }
1398
1399 int fib(int n)
1400 {
1401     if (n <= 2)
1402         return 1;
1403     else
1404         return fib(n-1) + fib(n-2);
1405 }
1406
1407 void funcptr_test()
1408 {
1409     void (*func)(int);
1410     int a;
1411     struct {
1412         int dummy;
1413         void (*func)(int);
1414     } st1;
1415
1416     printf("funcptr:\n");
1417     func = &num;
1418     (*func)(12345);
1419     func = num;
1420     a = 1;
1421     a = 1;
1422     func(12345);
1423     /* more complicated pointer computation */
1424     st1.func = num;
1425     st1.func(12346);
1426     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1427     printf("sizeof2 = %d\n", sizeof funcptr_test);
1428     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1429     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1430 }
1431
1432 void lloptest(long long a, long long b)
1433 {
1434     unsigned long long ua, ub;
1435
1436     ua = a;
1437     ub = b;
1438     /* arith */
1439     printf("arith: %Ld %Ld %Ld\n",
1440            a + b,
1441            a - b,
1442            a * b);
1443
1444     if (b != 0) {
1445         printf("arith1: %Ld %Ld\n",
1446            a / b,
1447            a % b);
1448     }
1449
1450     /* binary */
1451     printf("bin: %Ld %Ld %Ld\n",
1452            a & b,
1453            a | b,
1454            a ^ b);
1455
1456     /* tests */
1457     printf("test: %d %d %d %d %d %d\n",
1458            a == b,
1459            a != b,
1460            a < b,
1461            a > b,
1462            a >= b,
1463            a <= b);
1464
1465     printf("utest: %d %d %d %d %d %d\n",
1466            ua == ub,
1467            ua != ub,
1468            ua < ub,
1469            ua > ub,
1470            ua >= ub,
1471            ua <= ub);
1472
1473     /* arith2 */
1474     a++;
1475     b++;
1476     printf("arith2: %Ld %Ld\n", a, b);
1477     printf("arith2: %Ld %Ld\n", a++, b++);
1478     printf("arith2: %Ld %Ld\n", --a, --b);
1479     printf("arith2: %Ld %Ld\n", a, b);
1480 }
1481
1482 void llshift(long long a, int b)
1483 {
1484     printf("shift: %Ld %Ld %Ld\n",
1485            (unsigned long long)a >> b,
1486            a >> b,
1487            a << b);
1488     printf("shiftc: %Ld %Ld %Ld\n",
1489            (unsigned long long)a >> 3,
1490            a >> 3,
1491            a << 3);
1492     printf("shiftc: %Ld %Ld %Ld\n",
1493            (unsigned long long)a >> 35,
1494            a >> 35,
1495            a << 35);
1496 }
1497
1498 void llfloat(void)
1499 {
1500     float fa;
1501     double da;
1502     long double lda;
1503     long long la, lb, lc;
1504     unsigned long long ula, ulb, ulc;
1505     la = 0x12345678;
1506     ula = 0x72345678;
1507     la = (la << 20) | 0x12345;
1508     ula = ula << 33;
1509     printf("la=%Ld ula=%Lu\n", la, ula);
1510
1511     fa = la;
1512     da = la;
1513     lda = la;
1514     printf("lltof: %f %f %Lf\n", fa, da, lda);
1515
1516     la = fa;
1517     lb = da;
1518     lc = lda;
1519     printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
1520
1521     fa = ula;
1522     da = ula;
1523     lda = ula;
1524     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1525
1526     ula = fa;
1527     ulb = da;
1528     ulc = lda;
1529     printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
1530 }
1531
1532 long long llfunc1(int a)
1533 {
1534     return a * 2;
1535 }
1536
1537 struct S {
1538     int id;
1539     char item;
1540 };
1541
1542 long long int value(struct S *v)
1543 {
1544     return ((long long int)v->item);
1545 }
1546
1547 void longlong_test(void)
1548 {
1549     long long a, b, c;
1550     int ia;
1551     unsigned int ua;
1552     printf("longlong_test:\n");
1553     printf("sizeof(long long) = %d\n", sizeof(long long));
1554     ia = -1;
1555     ua = -2;
1556     a = ia;
1557     b = ua;
1558     printf("%Ld %Ld\n", a, b);
1559     printf("%Ld %Ld %Ld %Lx\n",
1560            (long long)1,
1561            (long long)-2,
1562            1LL,
1563            0x1234567812345679);
1564     a = llfunc1(-3);
1565     printf("%Ld\n", a);
1566
1567     lloptest(1000, 23);
1568     lloptest(0xff, 0x1234);
1569     b = 0x72345678 << 10;
1570     lloptest(-3, b);
1571     llshift(0x123, 5);
1572     llshift(-23, 5);
1573     b = 0x72345678LL << 10;
1574     llshift(b, 47);
1575
1576     llfloat();
1577 #if 1
1578     b = 0x12345678;
1579     a = -1;
1580     c = a + b;
1581     printf("%Lx\n", c);
1582 #endif
1583
1584     /* long long reg spill test */
1585     {
1586           struct S a;
1587
1588           a.item = 3;
1589           printf("%lld\n", value(&a));
1590     }
1591     lloptest(0x80000000, 0);
1592 }
1593
1594 void vprintf1(const char *fmt, ...)
1595 {
1596     va_list ap;
1597     const char *p;
1598     int c, i;
1599     double d;
1600     long long ll;
1601
1602     va_start(ap, fmt);
1603
1604     p = fmt;
1605     for(;;) {
1606         c = *p;
1607         if (c == '\0')
1608             break;
1609         p++;
1610         if (c == '%') {
1611             c = *p;
1612             switch(c) {
1613             case '\0':
1614                 goto the_end;
1615             case 'd':
1616                 i = va_arg(ap, int);
1617                 printf("%d", i);
1618                 break;
1619             case 'f':
1620                 d = va_arg(ap, double);
1621                 printf("%f", d);
1622                 break;
1623             case 'l':
1624                 ll = va_arg(ap, long long);
1625                 printf("%Ld", ll);
1626                 break;
1627             }
1628             p++;
1629         } else {
1630             putchar(c);
1631         }
1632     }
1633  the_end:
1634     va_end(ap);
1635 }
1636
1637
1638 void stdarg_test(void)
1639 {
1640     vprintf1("%d %d %d\n", 1, 2, 3);
1641     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
1642     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
1643 }
1644
1645 void whitespace_test(void)
1646 {
1647     char *str;
1648
1649 \f\v
#if 1
1650     pri\
1651 ntf("whitspace:\n");\f\v
1652 #endif
1653     pf("N=%d\n", 2);
1654
1655 #ifdef CORRECT_CR_HANDLING
1656     pri\
1657 ntf("aaa=%d\n", 3);
1658 #endif
1659
1660     pri\
1661 \
1662 ntf("min=%d\n", 4);
1663     printf("len1=%d\n", strlen("
1664 "));
1665 #ifdef CORRECT_CR_HANDLING
1666     str = "
1667 ";
1668     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
1669 #endif
1670     printf("len1=%d\n", strlen("
a
1671 "));
1672 }
1673
1674 int reltab[3] = { 1, 2, 3 };
1675
1676 int *rel1 = &reltab[1];
1677 int *rel2 = &reltab[2];
1678
1679 void relocation_test(void)
1680 {
1681     printf("*rel1=%d\n", *rel1);
1682     printf("*rel2=%d\n", *rel2);
1683 }
1684
1685 void old_style_f(a,b,c)
1686      int a, b;
1687      double c;
1688 {
1689     printf("a=%d b=%d b=%f\n", a, b, c);
1690 }
1691
1692 void decl_func1(int cmpfn())
1693 {
1694     printf("cmpfn=%lx\n", (long)cmpfn);
1695 }
1696
1697 void decl_func2(cmpfn)
1698 int cmpfn();
1699 {
1700     printf("cmpfn=%lx\n", (long)cmpfn);
1701 }
1702
1703 void old_style_function(void)
1704 {
1705     old_style_f((void *)1, 2, 3.0);
1706     decl_func1(NULL);
1707     decl_func2(NULL);
1708 }
1709
1710 void sizeof_test(void)
1711 {
1712     int a;
1713     int **ptr;
1714
1715     printf("sizeof(int) = %d\n", sizeof(int));
1716     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
1717     printf("sizeof(short) = %d\n", sizeof(short));
1718     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
1719     printf("sizeof(char) = %d\n", sizeof(char));
1720     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
1721     printf("sizeof(func) = %d\n", sizeof sizeof_test());
1722     a = 1;
1723     printf("sizeof(a++) = %d\n", sizeof a++);
1724     printf("a=%d\n", a);
1725     ptr = NULL;
1726     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
1727
1728     /* some alignof tests */
1729     printf("__alignof__(int) = %d\n", __alignof__(int));
1730     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
1731     printf("__alignof__(short) = %d\n", __alignof__(short));
1732     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
1733     printf("__alignof__(char) = %d\n", __alignof__(char));
1734     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
1735     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
1736 }
1737
1738 void typeof_test(void)
1739 {
1740     double a;
1741     typeof(a) b;
1742     typeof(float) c;
1743
1744     a = 1.5;
1745     b = 2.5;
1746     c = 3.5;
1747     printf("a=%f b=%f c=%f\n", a, b, c);
1748 }
1749
1750 void statement_expr_test(void)
1751 {
1752     int a, i;
1753
1754     a = 0;
1755     for(i=0;i<10;i++) {
1756         a += 1 +
1757             ( { int b, j;
1758                 b = 0;
1759                 for(j=0;j<5;j++)
1760                     b += j; b;
1761             } );
1762     }
1763     printf("a=%d\n", a);
1764
1765 }
1766
1767 void local_label_test(void)
1768 {
1769     int a;
1770     goto l1;
1771  l2:
1772     a = 1 + ({
1773         __label__ l1, l2, l3;
1774         goto l4;
1775     l5:
1776         printf("aa1\n");
1777         goto l1;
1778     l2:
1779         printf("aa3\n");
1780         goto l3;
1781     l1:
1782         printf("aa2\n");
1783         goto l2;
1784     l3:;
1785         1;
1786     });
1787     printf("a=%d\n", a);
1788     return;
1789  l1:
1790     printf("bb1\n");
1791     goto l2;
1792  l4:
1793     printf("bb2\n");
1794     goto l5;
1795 }
1796
1797 /* inline assembler test */
1798 #ifdef __i386__
1799
1800 /* from linux kernel */
1801 static char * strncat1(char * dest,const char * src,size_t count)
1802 {
1803 int d0, d1, d2, d3;
1804 __asm__ __volatile__(
1805         "repne\n\t"
1806         "scasb\n\t"
1807         "decl %1\n\t"
1808         "movl %8,%3\n"
1809         "1:\tdecl %3\n\t"
1810         "js 2f\n\t"
1811         "lodsb\n\t"
1812         "stosb\n\t"
1813         "testb %%al,%%al\n\t"
1814         "jne 1b\n"
1815         "2:\txorl %2,%2\n\t"
1816         "stosb"
1817         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
1818         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
1819         : "memory");
1820 return dest;
1821 }
1822
1823 static inline void * memcpy1(void * to, const void * from, size_t n)
1824 {
1825 int d0, d1, d2;
1826 __asm__ __volatile__(
1827         "rep ; movsl\n\t"
1828         "testb $2,%b4\n\t"
1829         "je 1f\n\t"
1830         "movsw\n"
1831         "1:\ttestb $1,%b4\n\t"
1832         "je 2f\n\t"
1833         "movsb\n"
1834         "2:"
1835         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
1836         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
1837         : "memory");
1838 return (to);
1839 }
1840
1841 static __inline__ void sigaddset1(unsigned int *set, int _sig)
1842 {
1843         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
1844 }
1845
1846 static __inline__ void sigdelset1(unsigned int *set, int _sig)
1847 {
1848         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
1849 }
1850
1851 static __inline__ __const__ unsigned int swab32(unsigned int x)
1852 {
1853         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
1854                 "rorl $16,%0\n\t"       /* swap words           */
1855                 "xchgb %b0,%h0"         /* swap higher bytes    */
1856                 :"=q" (x)
1857                 : "0" (x));
1858         return x;
1859 }
1860
1861 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
1862 {
1863     unsigned long long res;
1864     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
1865     return res;
1866 }
1867
1868 static __inline__ unsigned long long inc64(unsigned long long a)
1869 {
1870     unsigned long long res;
1871     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
1872     return res;
1873 }
1874
1875 unsigned int set;
1876
1877 void asm_test(void)
1878 {
1879     char buf[128];
1880     unsigned int val;
1881
1882     printf("inline asm:\n");
1883     /* test the no operand case */
1884     asm volatile ("xorl %eax, %eax");
1885
1886     memcpy1(buf, "hello", 6);
1887     strncat1(buf, " worldXXXXX", 3);
1888     printf("%s\n", buf);
1889
1890     /* 'A' constraint test */
1891     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
1892     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
1893
1894     set = 0xff;
1895     sigdelset1(&set, 2);
1896     sigaddset1(&set, 16);
1897     /* NOTE: we test here if C labels are correctly restored after the
1898        asm statement */
1899     goto label1;
1900  label2:
1901     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
1902     printf("set=0x%x\n", set);
1903     val = 0x01020304;
1904     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
1905     return;
1906  label1:
1907     goto label2;
1908 }
1909
1910 #else
1911
1912 void asm_test(void)
1913 {
1914 }
1915
1916 #endif
1917
1918 #define COMPAT_TYPE(type1, type2) \
1919 {\
1920     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
1921            __builtin_types_compatible_p (type1, type2));\
1922 }
1923
1924 int constant_p_var;
1925
1926 void builtin_test(void)
1927 {
1928 #if GCC_MAJOR >= 3
1929     COMPAT_TYPE(int, int);
1930     COMPAT_TYPE(int, unsigned int);
1931     COMPAT_TYPE(int, char);
1932     COMPAT_TYPE(int, const int);
1933     COMPAT_TYPE(int, volatile int);
1934     COMPAT_TYPE(int *, int *);
1935     COMPAT_TYPE(int *, void *);
1936     COMPAT_TYPE(int *, const int *);
1937     COMPAT_TYPE(char *, unsigned char *);
1938 /* space is needed because tcc preprocessor introduces a space between each token */
1939     COMPAT_TYPE(char * *, void *);
1940 #endif
1941     printf("res = %d\n", __builtin_constant_p(1));
1942     printf("res = %d\n", __builtin_constant_p(1 + 2));
1943     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
1944     printf("res = %d\n", __builtin_constant_p(constant_p_var));
1945 }
1946
1947
1948 void const_func(const int a)
1949 {
1950 }
1951
1952 void const_warn_test(void)
1953 {
1954     const_func(1);
1955 }