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