tests/tcctest.c

   1 /*
   2  * TCC auto test program
   3  */
   4 #include "../config.h"
   5
   6 #if GCC_MAJOR >= 3
   7
   8 /* Unfortunately, gcc version < 3 does not handle that! */
   9 #define ALL_ISOC99
  10
  11 /* only gcc 3 handles _Bool correctly */
  12 #define BOOL_ISOC99
  13
  14 /* gcc 2.95.3 does not handle correctly CR in strings or after strays */
  15 #define CORRECT_CR_HANDLING
  16
  17 #endif
  18
  19 /* deprecated and no longer supported in gcc 3.3 */
  20 //#define ACCEPT_CR_IN_STRINGS
  21
  22 /* __VA_ARGS__ and __func__ support */
  23 #define C99_MACROS
  24
  25 /* test various include syntaxes */
  26
  27 #define TCCLIB_INC <tcclib.h>
  28 #define TCCLIB_INC1 <tcclib
  29 #define TCCLIB_INC2 h>
  30 #define TCCLIB_INC3 "tcclib"
  31
  32 #include TCCLIB_INC
  33
  34 #include TCCLIB_INC1.TCCLIB_INC2
  35
  36 #include TCCLIB_INC1.h>
  37
  38 /* gcc 3.2 does not accept that (bug ?) */
  39 //#include TCCLIB_INC3 ".h"
  40
  41 #include <tcclib.h>
  42
  43 #include "tcclib.h"
  44
  45 void string_test();
  46 void expr_test();
  47 void macro_test();
  48 void recursive_macro_test();
  49 void scope_test();
  50 void forward_test();
  51 void funcptr_test();
  52 void loop_test();
  53 void switch_test();
  54 void goto_test();
  55 void enum_test();
  56 void typedef_test();
  57 void struct_test();
  58 void array_test();
  59 void expr_ptr_test();
  60 void bool_test();
  61 void expr2_test();
  62 void constant_expr_test();
  63 void expr_cmp_test();
  64 void char_short_test();
  65 void init_test(void);
  66 void compound_literal_test(void);
  67 int kr_test();
  68 void struct_assign_test(void);
  69 void cast_test(void);
  70 void bitfield_test(void);
  71 void c99_bool_test(void);
  72 void float_test(void);
  73 void longlong_test(void);
  74 void manyarg_test(void);
  75 void stdarg_test(void);
  76 void whitespace_test(void);
  77 void relocation_test(void);
  78 void old_style_function(void);
  79 void alloca_test(void);
  80 void c99_vla_test(int size1, int size2);
  81 void sizeof_test(void);
  82 void typeof_test(void);
  83 void local_label_test(void);
  84 void statement_expr_test(void);
  85 void asm_test(void);
  86 void builtin_test(void);
  87 void weak_test(void);
  88 void global_data_test(void);
  89
  90 int fib(int n);
  91 void num(int n);
  92 void forward_ref(void);
  93 int isid(int c);
  94
  95 #define A 2
  96 #define N 1234 + A
  97 #define pf printf
  98 #define M1(a, b)  (a) + (b)
  99
 100 #define str\
 101 (s) # s
 102 #define glue(a, b) a ## b
 103 #define xglue(a, b) glue(a, b)
 104 #define HIGHLOW "hello"
 105 #define LOW LOW ", world"
 106
 107 static int onetwothree = 123;
 108 #define onetwothree4 onetwothree
 109 #define onetwothree xglue(onetwothree,4)
 110
 111 #define min(a, b) ((a) < (b) ? (a) : (b))
 112
 113 #ifdef C99_MACROS
 114 #define dprintf(level,...) printf(__VA_ARGS__)
 115 #endif
 116
 117 /* gcc vararg macros */
 118 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
 119
 120 #define MACRO_NOARGS()
 121
 122 #define AAA 3
 123 #undef AAA
 124 #define AAA 4
 125
 126 #if 1
 127 #define B3 1
 128 #elif 1
 129 #define B3 2
 130 #elif 0
 131 #define B3 3
 132 #else
 133 #define B3 4
 134 #endif
 135
 136 #define __INT64_C(c)    c ## LL
 137 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 138
 139 int qq(int x)
 140 {
 141     return x + 40;
 142 }
 143 #define qq(x) x
 144
 145 #define spin_lock(lock) do { } while (0)
 146 #define wq_spin_lock spin_lock
 147 #define TEST2() wq_spin_lock(a)
 148
 149 void macro_test(void)
 150 {
 151     printf("macro:\n");\f\v
 152     pf("N=%d\n", N);
 153     printf("aaa=%d\n", AAA);
 154
 155     printf("min=%d\n", min(1, min(2, -1)));
 156
 157     printf("s1=%s\n", glue(HIGH, LOW));
 158     printf("s2=%s\n", xglue(HIGH, LOW));
 159     printf("s3=%s\n", str("c"));
 160     printf("s4=%s\n", str(a1));
 161     printf("B3=%d\n", B3);
 162
 163     printf("onetwothree=%d\n", onetwothree);
 164
 165 #ifdef A
 166     printf("A defined\n");
 167 #endif
 168 #ifdef B
 169     printf("B defined\n");
 170 #endif
 171 #ifdef A
 172     printf("A defined\n");
 173 #else
 174     printf("A not defined\n");
 175 #endif
 176 #ifdef B
 177     printf("B defined\n");
 178 #else
 179     printf("B not defined\n");
 180 #endif
 181
 182 #ifdef A
 183     printf("A defined\n");
 184 #ifdef B
 185     printf("B1 defined\n");
 186 #else
 187     printf("B1 not defined\n");
 188 #endif
 189 #else
 190     printf("A not defined\n");
 191 #ifdef B
 192     printf("B2 defined\n");
 193 #else
 194     printf("B2 not defined\n");
 195 #endif
 196 #endif
 197
 198 #if 1+1
 199     printf("test true1\n");
 200 #endif
 201 #if 0
 202     printf("test true2\n");
 203 #endif
 204 #if 1-1
 205     printf("test true3\n");
 206 #endif
 207 #if defined(A)
 208     printf("test trueA\n");
 209 #endif
 210 #if defined(B)
 211     printf("test trueB\n");
 212 #endif
 213
 214 #if 0
 215     printf("test 0\n");
 216 #elif 0
 217     printf("test 1\n");
 218 #elif 2
 219     printf("test 2\n");
 220 #else
 221     printf("test 3\n");
 222 #endif
 223
 224     MACRO_NOARGS();
 225
 226 #ifdef __LINE__
 227     printf("__LINE__ defined\n");
 228 #endif
 229
 230     printf("__LINE__=%d __FILE__=%s\n",
 231            __LINE__, __FILE__);
 232 #line 200
 233     printf("__LINE__=%d __FILE__=%s\n",
 234            __LINE__, __FILE__);
 235 #line 203 "test"
 236     printf("__LINE__=%d __FILE__=%s\n",
 237            __LINE__, __FILE__);
 238 #line 227 "tcctest.c"
 239
 240     /* not strictly preprocessor, but we test it there */
 241 #ifdef C99_MACROS
 242     printf("__func__ = %s\n", __func__);
 243     dprintf(1, "vaarg=%d\n", 1);
 244 #endif
 245     dprintf1(1, "vaarg1\n");
 246     dprintf1(1, "vaarg1=%d\n", 2);
 247     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 248
 249     /* gcc extension */
 250     printf("func='%s'\n", __FUNCTION__);
 251
 252     /* complicated macros in glibc */
 253     printf("INT64_MIN=%Ld\n", INT64_MIN);
 254     {
 255         int a;
 256         a = 1;
 257         glue(a+, +);
 258         printf("a=%d\n", a);
 259         glue(a <, <= 2);
 260         printf("a=%d\n", a);
 261     }
 262
 263     /* macro function with argument outside the macro string */
 264 #define MF_s MF_hello
 265 #define MF_hello(msg) printf("%s\n",msg)
 266
 267 #define MF_t printf("tralala\n"); MF_hello
 268
 269     MF_s("hi");
 270     MF_t("hi");
 271
 272     /* test macro substituion inside args (should not eat stream) */
 273     printf("qq=%d\n", qq(qq)(2));
 274
 275     /* test zero argument case. NOTE: gcc 2.95.x does not accept a
 276        null argument without a space. gcc 3.2 fixes that. */
 277
 278 #define qq1(x) 1
 279     printf("qq1=%d\n", qq1( ));
 280
 281     /* comment with stray handling *\
 282 /
 283        /* this is a valid *\/ comment */
 284        /* this is a valid comment *\*/
 285     //  this is a valid\
 286 comment
 287
 288     /* test function macro substitution when the function name is
 289        substituted */
 290     TEST2();
 291
 292     /* And again when the name and parenthes are separated by a
 293        comment.  */
 294     TEST2 /* the comment */ ();
 295 }
 296
 297
 298 static void print_num(char *fn, int line, int num) {
 299     printf("fn %s, line %d, num %d\n", fn, line, num);
 300 }
 301
 302 void recursive_macro_test(void)
 303 {
 304
 305 #define ELF32_ST_TYPE(val)              ((val) & 0xf)
 306 #define ELF32_ST_INFO(bind, type)       (((bind) << 4) + ((type) & 0xf))
 307 #define STB_WEAK        2               /* Weak symbol */
 308 #define ELFW(type) ELF##32##_##type
 309     printf("%d\n", ELFW(ST_INFO)(STB_WEAK, ELFW(ST_TYPE)(123)));
 310
 311 #define WRAP(x) x
 312
 313 #define print_num(x) print_num(__FILE__,__LINE__,x)
 314     print_num(123);
 315     WRAP(print_num(123));
 316     WRAP(WRAP(print_num(123)));
 317
 318 static struct recursive_macro { int rm_field; } G;
 319 #define rm_field (G.rm_field)
 320     printf("rm_field = %d\n", rm_field);
 321     printf("rm_field = %d\n", WRAP(rm_field));
 322     WRAP((printf("rm_field = %d %d\n", rm_field, WRAP(rm_field))));
 323 }
 324
 325 int op(a,b)
 326 {
 327     return a / b;
 328 }
 329
 330 int ret(a)
 331 {
 332     if (a == 2)
 333         return 1;
 334     if (a == 3)
 335         return 2;
 336     return 0;
 337 }
 338
 339 void ps(const char *s)
 340 {
 341     int c;
 342     while (1) {
 343         c = *s;
 344         if (c == 0)
 345             break;
 346         printf("%c", c);
 347         s++;
 348     }
 349 }
 350
 351 const char foo1_string[] = "\
 352 bar\n\
 353 test\14\
 354 1";
 355
 356 void string_test()
 357 {
 358     unsigned int b;
 359     printf("string:\n");
 360     printf("\141\1423\143\n");/* dezdez test */
 361     printf("\x41\x42\x43\x3a\n");
 362     printf("c=%c\n", 'r');
 363     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 364     printf("foo1_string='%s'\n", foo1_string);
 365 #if 0
 366     printf("wstring=%S\n", L"abc");
 367     printf("wstring=%S\n", L"abc" L"def" "ghi");
 368     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 369     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 370 #endif
 371     ps("test\n");
 372     b = 32;
 373     while ((b = b + 1) < 96) {
 374         printf("%c", b);
 375     }
 376     printf("\n");
 377     printf("fib=%d\n", fib(33));
 378     b = 262144;
 379     while (b != 0x80000000) {
 380         num(b);
 381         b = b * 2;
 382     }
 383 }
 384
 385 void loop_test()
 386 {
 387     int i;
 388     i = 0;
 389     while (i < 10)
 390         printf("%d", i++);
 391     printf("\n");
 392     for(i = 0; i < 10;i++)
 393         printf("%d", i);
 394     printf("\n");
 395     i = 0;
 396     do {
 397         printf("%d", i++);
 398     } while (i < 10);
 399     printf("\n");
 400
 401     char count = 123;
 402     /* c99 for loop init test */
 403     for (size_t count = 1; count < 3; count++)
 404         printf("count=%d\n", count);
 405     printf("count = %d\n", count);
 406
 407     /* break/continue tests */
 408     i = 0;
 409     while (1) {
 410         if (i == 6)
 411             break;
 412         i++;
 413         if (i == 3)
 414             continue;
 415         printf("%d", i);
 416     }
 417     printf("\n");
 418
 419     /* break/continue tests */
 420     i = 0;
 421     do {
 422         if (i == 6)
 423             break;
 424         i++;
 425         if (i == 3)
 426             continue;
 427         printf("%d", i);
 428     } while(1);
 429     printf("\n");
 430
 431     for(i = 0;i < 10;i++) {
 432         if (i == 3)
 433             continue;
 434         printf("%d", i);
 435     }
 436     printf("\n");
 437 }
 438
 439 typedef int typedef_and_label;
 440
 441 void goto_test()
 442 {
 443     int i;
 444     static void *label_table[3] = { &&label1, &&label2, &&label3 };
 445
 446     printf("goto:\n");
 447     i = 0;
 448     /* This needs to parse as label, not as start of decl.  */
 449  typedef_and_label:
 450  s_loop:
 451     if (i >= 10)
 452         goto s_end;
 453     printf("%d", i);
 454     i++;
 455     goto s_loop;
 456  s_end:
 457     printf("\n");
 458
 459     /* we also test computed gotos (GCC extension) */
 460     for(i=0;i<3;i++) {
 461         goto *label_table[i];
 462     label1:
 463         printf("label1\n");
 464         goto next;
 465     label2:
 466         printf("label2\n");
 467         goto next;
 468     label3:
 469         printf("label3\n");
 470     next: ;
 471     }
 472 }
 473
 474 enum {
 475     E0,
 476     E1 = 2,
 477     E2 = 4,
 478     E3,
 479     E4,
 480 };
 481
 482 enum test {
 483     E5 = 1000,
 484 };
 485
 486 void enum_test()
 487 {
 488     enum test b1;
 489     printf("enum:\n%d %d %d %d %d %d\n",
 490            E0, E1, E2, E3, E4, E5);
 491     b1 = 1;
 492     printf("b1=%d\n", b1);
 493 }
 494
 495 typedef int *my_ptr;
 496
 497 typedef int mytype1;
 498 typedef int mytype2;
 499
 500 void typedef_test()
 501 {
 502     my_ptr a;
 503     mytype1 mytype2;
 504     int b;
 505
 506     a = &b;
 507     *a = 1234;
 508     printf("typedef:\n");
 509     printf("a=%d\n", *a);
 510     mytype2 = 2;
 511     printf("mytype2=%d\n", mytype2);
 512 }
 513
 514 void forward_test()
 515 {
 516     printf("forward:\n");
 517     forward_ref();
 518     forward_ref();
 519 }
 520
 521
 522 void forward_ref(void)
 523 {
 524     printf("forward ok\n");
 525 }
 526
 527 typedef struct struct1 {
 528     int f1;
 529     int f2, f3;
 530     union union1 {
 531         int v1;
 532         int v2;
 533     } u;
 534     char str[3];
 535 } struct1;
 536
 537 struct struct2 {
 538     int a;
 539     char b;
 540 };
 541
 542 union union2 {
 543     int w1;
 544     int w2;
 545 };
 546
 547 struct struct1 st1, st2;
 548
 549 int main(int argc, char **argv)
 550 {
 551     string_test();
 552     expr_test();
 553     macro_test();
 554     recursive_macro_test();
 555     scope_test();
 556     forward_test();
 557     funcptr_test();
 558     loop_test();
 559     switch_test();
 560     goto_test();
 561     enum_test();
 562     typedef_test();
 563     struct_test();
 564     array_test();
 565     expr_ptr_test();
 566     bool_test();
 567     expr2_test();
 568     constant_expr_test();
 569     expr_cmp_test();
 570     char_short_test();
 571     init_test();
 572     compound_literal_test();
 573     kr_test();
 574     struct_assign_test();
 575     cast_test();
 576     bitfield_test();
 577     c99_bool_test();
 578     float_test();
 579     longlong_test();
 580     manyarg_test();
 581     stdarg_test();
 582     whitespace_test();
 583     relocation_test();
 584     old_style_function();
 585     alloca_test();
 586     c99_vla_test(5, 2);
 587     sizeof_test();
 588     typeof_test();
 589     statement_expr_test();
 590     local_label_test();
 591     asm_test();
 592     builtin_test();
 593     weak_test();
 594     global_data_test();
 595     return 0;
 596 }
 597
 598 int tab[3];
 599 int tab2[3][2];
 600
 601 int g;
 602
 603 void f1(g)
 604 {
 605     printf("g1=%d\n", g);
 606 }
 607
 608 void scope_test()
 609 {
 610     printf("scope:\n");
 611     g = 2;
 612     f1(1);
 613     printf("g2=%d\n", g);
 614     {
 615         int g;
 616         g = 3;
 617         printf("g3=%d\n", g);
 618         {
 619             int g;
 620             g = 4;
 621             printf("g4=%d\n", g);
 622         }
 623     }
 624     printf("g5=%d\n", g);
 625 }
 626
 627 void array_test()
 628 {
 629     int i, j, a[4];
 630
 631     printf("array:\n");
 632     printf("sizeof(a) = %d\n", sizeof(a));
 633     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 634 #ifdef C99_MACROS
 635     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 636 #endif
 637     printf("sizeof tab %d\n", sizeof(tab));
 638     printf("sizeof tab2 %d\n", sizeof tab2);
 639     tab[0] = 1;
 640     tab[1] = 2;
 641     tab[2] = 3;
 642     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 643     for(i=0;i<3;i++)
 644         for(j=0;j<2;j++)
 645             tab2[i][j] = 10 * i + j;
 646     for(i=0;i<3*2;i++) {
 647         printf(" %3d", ((int *)tab2)[i]);
 648     }
 649     printf("\n");
 650     printf("sizeof(size_t)=%d\n", sizeof(size_t));
 651     printf("sizeof(ptrdiff_t)=%d\n", sizeof(ptrdiff_t));
 652 }
 653
 654 void expr_test()
 655 {
 656     int a, b;
 657     a = 0;
 658     printf("%d\n", a += 1);
 659     printf("%d\n", a -= 2);
 660     printf("%d\n", a *= 31232132);
 661     printf("%d\n", a /= 4);
 662     printf("%d\n", a %= 20);
 663     printf("%d\n", a &= 6);
 664     printf("%d\n", a ^= 7);
 665     printf("%d\n", a |= 8);
 666     printf("%d\n", a >>= 3);
 667     printf("%d\n", a <<= 4);
 668
 669     a = 22321;
 670     b = -22321;
 671     printf("%d\n", a + 1);
 672     printf("%d\n", a - 2);
 673     printf("%d\n", a * 312);
 674     printf("%d\n", a / 4);
 675     printf("%d\n", b / 4);
 676     printf("%d\n", (unsigned)b / 4);
 677     printf("%d\n", a % 20);
 678     printf("%d\n", b % 20);
 679     printf("%d\n", (unsigned)b % 20);
 680     printf("%d\n", a & 6);
 681     printf("%d\n", a ^ 7);
 682     printf("%d\n", a | 8);
 683     printf("%d\n", a >> 3);
 684     printf("%d\n", b >> 3);
 685     printf("%d\n", (unsigned)b >> 3);
 686     printf("%d\n", a << 4);
 687     printf("%d\n", ~a);
 688     printf("%d\n", -a);
 689     printf("%d\n", +a);
 690
 691     printf("%d\n", 12 + 1);
 692     printf("%d\n", 12 - 2);
 693     printf("%d\n", 12 * 312);
 694     printf("%d\n", 12 / 4);
 695     printf("%d\n", 12 % 20);
 696     printf("%d\n", 12 & 6);
 697     printf("%d\n", 12 ^ 7);
 698     printf("%d\n", 12 | 8);
 699     printf("%d\n", 12 >> 2);
 700     printf("%d\n", 12 << 4);
 701     printf("%d\n", ~12);
 702     printf("%d\n", -12);
 703     printf("%d\n", +12);
 704     printf("%d %d %d %d\n",
 705            isid('a'),
 706            isid('g'),
 707            isid('T'),
 708            isid('('));
 709 }
 710
 711 int isid(int c)
 712 {
 713     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 714 }
 715
 716 /**********************/
 717
 718 int vstack[10], *vstack_ptr;
 719
 720 void vpush(int vt, int vc)
 721 {
 722     *vstack_ptr++ = vt;
 723     *vstack_ptr++ = vc;
 724 }
 725
 726 void vpop(int *ft, int *fc)
 727 {
 728     *fc = *--vstack_ptr;
 729     *ft = *--vstack_ptr;
 730 }
 731
 732 void expr2_test()
 733 {
 734     int a, b;
 735
 736     printf("expr2:\n");
 737     vstack_ptr = vstack;
 738     vpush(1432432, 2);
 739     vstack_ptr[-2] &= ~0xffffff80;
 740     vpop(&a, &b);
 741     printf("res= %d %d\n", a, b);
 742 }
 743
 744 void constant_expr_test()
 745 {
 746     int a;
 747     printf("constant_expr:\n");
 748     a = 3;
 749     printf("%d\n", a * 16);
 750     printf("%d\n", a * 1);
 751     printf("%d\n", a + 0);
 752 }
 753
 754 int tab4[10];
 755
 756 void expr_ptr_test()
 757 {
 758     int *p, *q;
 759     int i = -1;
 760
 761     printf("expr_ptr:\n");
 762     p = tab4;
 763     q = tab4 + 10;
 764     printf("diff=%d\n", q - p);
 765     p++;
 766     printf("inc=%d\n", p - tab4);
 767     p--;
 768     printf("dec=%d\n", p - tab4);
 769     ++p;
 770     printf("inc=%d\n", p - tab4);
 771     --p;
 772     printf("dec=%d\n", p - tab4);
 773     printf("add=%d\n", p + 3 - tab4);
 774     printf("add=%d\n", 3 + p - tab4);
 775
 776     /* check if 64bit support is ok */
 777     q = p = 0;
 778     q += i;
 779     printf("%p %p %ld\n", q, p, p-q);
 780     printf("%d %d %d %d %d %d\n",
 781            p == q, p != q, p < q, p <= q, p >= q, p > q);
 782     i = 0xf0000000;
 783     p += i;
 784     printf("%p %p %ld\n", q, p, p-q);
 785     printf("%d %d %d %d %d %d\n",
 786            p == q, p != q, p < q, p <= q, p >= q, p > q);
 787     p = (int *)((char *)p + 0xf0000000);
 788     printf("%p %p %ld\n", q, p, p-q);
 789     printf("%d %d %d %d %d %d\n",
 790            p == q, p != q, p < q, p <= q, p >= q, p > q);
 791     p += 0xf0000000;
 792     printf("%p %p %ld\n", q, p, p-q);
 793     printf("%d %d %d %d %d %d\n",
 794            p == q, p != q, p < q, p <= q, p >= q, p > q);
 795     {
 796         struct size12 {
 797             int i, j, k;
 798         };
 799         struct size12 s[2], *sp = s;
 800         int i, j;
 801         sp->i = 42;
 802         sp++;
 803         j = -1;
 804         printf("%d\n", sp[j].i);
 805     }
 806 }
 807
 808 void expr_cmp_test()
 809 {
 810     int a, b;
 811     printf("constant_expr:\n");
 812     a = -1;
 813     b = 1;
 814     printf("%d\n", a == a);
 815     printf("%d\n", a != a);
 816
 817     printf("%d\n", a < b);
 818     printf("%d\n", a <= b);
 819     printf("%d\n", a <= a);
 820     printf("%d\n", b >= a);
 821     printf("%d\n", a >= a);
 822     printf("%d\n", b > a);
 823
 824     printf("%d\n", (unsigned)a < b);
 825     printf("%d\n", (unsigned)a <= b);
 826     printf("%d\n", (unsigned)a <= a);
 827     printf("%d\n", (unsigned)b >= a);
 828     printf("%d\n", (unsigned)a >= a);
 829     printf("%d\n", (unsigned)b > a);
 830 }
 831
 832 struct empty {
 833 };
 834
 835 struct aligntest1 {
 836     char a[10];
 837 };
 838
 839 struct aligntest2 {
 840     int a;
 841     char b[10];
 842 };
 843
 844 struct aligntest3 {
 845     double a, b;
 846 };
 847
 848 struct aligntest4 {
 849     double a[0];
 850 };
 851
 852 void struct_test()
 853 {
 854     struct1 *s;
 855     union union2 u;
 856
 857     printf("struct:\n");
 858     printf("sizes: %d %d %d %d\n",
 859            sizeof(struct struct1),
 860            sizeof(struct struct2),
 861            sizeof(union union1),
 862            sizeof(union union2));
 863     st1.f1 = 1;
 864     st1.f2 = 2;
 865     st1.f3 = 3;
 866     printf("st1: %d %d %d\n",
 867            st1.f1, st1.f2, st1.f3);
 868     st1.u.v1 = 1;
 869     st1.u.v2 = 2;
 870     printf("union1: %d\n", st1.u.v1);
 871     u.w1 = 1;
 872     u.w2 = 2;
 873     printf("union2: %d\n", u.w1);
 874     s = &st2;
 875     s->f1 = 3;
 876     s->f2 = 2;
 877     s->f3 = 1;
 878     printf("st2: %d %d %d\n",
 879            s->f1, s->f2, s->f3);
 880     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 881
 882     /* align / size tests */
 883     printf("aligntest1 sizeof=%d alignof=%d\n",
 884            sizeof(struct aligntest1), __alignof__(struct aligntest1));
 885     printf("aligntest2 sizeof=%d alignof=%d\n",
 886            sizeof(struct aligntest2), __alignof__(struct aligntest2));
 887     printf("aligntest3 sizeof=%d alignof=%d\n",
 888            sizeof(struct aligntest3), __alignof__(struct aligntest3));
 889     printf("aligntest4 sizeof=%d alignof=%d\n",
 890            sizeof(struct aligntest4), __alignof__(struct aligntest4));
 891
 892     /* empty structures (GCC extension) */
 893     printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
 894     printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
 895 }
 896
 897 /* XXX: depend on endianness */
 898 void char_short_test()
 899 {
 900     int var1, var2;
 901
 902     printf("char_short:\n");
 903
 904     var1 = 0x01020304;
 905     var2 = 0xfffefdfc;
 906     printf("s8=%d %d\n",
 907            *(char *)&var1, *(char *)&var2);
 908     printf("u8=%d %d\n",
 909            *(unsigned char *)&var1, *(unsigned char *)&var2);
 910     printf("s16=%d %d\n",
 911            *(short *)&var1, *(short *)&var2);
 912     printf("u16=%d %d\n",
 913            *(unsigned short *)&var1, *(unsigned short *)&var2);
 914     printf("s32=%d %d\n",
 915            *(int *)&var1, *(int *)&var2);
 916     printf("u32=%d %d\n",
 917            *(unsigned int *)&var1, *(unsigned int *)&var2);
 918     *(char *)&var1 = 0x08;
 919     printf("var1=%x\n", var1);
 920     *(short *)&var1 = 0x0809;
 921     printf("var1=%x\n", var1);
 922     *(int *)&var1 = 0x08090a0b;
 923     printf("var1=%x\n", var1);
 924 }
 925
 926 /******************/
 927
 928 typedef struct Sym {
 929     int v;
 930     int t;
 931     int c;
 932     struct Sym *next;
 933     struct Sym *prev;
 934 } Sym;
 935
 936 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 937 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
 938
 939 static int toupper1(int a)
 940 {
 941     return TOUPPER(a);
 942 }
 943
 944 void bool_test()
 945 {
 946     int *s, a, b, t, f, i;
 947
 948     a = 0;
 949     s = (void*)0;
 950     printf("!s=%d\n", !s);
 951
 952     if (!s || !s[0])
 953         a = 1;
 954     printf("a=%d\n", a);
 955
 956     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
 957     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
 958     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
 959 #if 1 && 1
 960     printf("a1\n");
 961 #endif
 962 #if 1 || 0
 963     printf("a2\n");
 964 #endif
 965 #if 1 ? 0 : 1
 966     printf("a3\n");
 967 #endif
 968 #if 0 ? 0 : 1
 969     printf("a4\n");
 970 #endif
 971
 972     a = 4;
 973     printf("b=%d\n", a + (0 ? 1 : a / 2));
 974
 975     /* test register spilling */
 976     a = 10;
 977     b = 10;
 978     a = (a + b) * ((a < b) ?
 979                    ((b - a) * (a - b)): a + b);
 980     printf("a=%d\n", a);
 981
 982     /* test complex || or && expressions */
 983     t = 1;
 984     f = 0;
 985     a = 32;
 986     printf("exp=%d\n", f == (32 <= a && a <= 3));
 987     printf("r=%d\n", (t || f) + (t && f));
 988
 989     /* test ? : cast */
 990     {
 991         int aspect_on;
 992         int aspect_native = 65536;
 993         double bfu_aspect = 1.0;
 994         int aspect;
 995         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
 996             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
 997             printf("aspect=%d\n", aspect);
 998         }
 999     }
1000
1001     /* test ? : GCC extension */
1002     {
1003         static int v1 = 34 ? : -1; /* constant case */
1004         static int v2 = 0 ? : -1; /* constant case */
1005         int a = 30;
1006
1007         printf("%d %d\n", v1, v2);
1008         printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
1009     }
1010
1011     /* again complex expression */
1012     for(i=0;i<256;i++) {
1013         if (toupper1 (i) != TOUPPER (i))
1014             printf("error %d\n", i);
1015     }
1016 }
1017
1018 /* GCC accepts that */
1019 static int tab_reinit[];
1020 static int tab_reinit[10];
1021
1022 //int cinit1; /* a global variable can be defined several times without error ! */
1023 int cinit1;
1024 int cinit1;
1025 int cinit1 = 0;
1026 int *cinit2 = (int []){3, 2, 1};
1027
1028 void compound_literal_test(void)
1029 {
1030     int *p, i;
1031     char *q, *q3;
1032
1033     printf("compound_test:\n");
1034
1035     p = (int []){1, 2, 3};
1036     for(i=0;i<3;i++)
1037         printf(" %d", p[i]);
1038     printf("\n");
1039
1040     for(i=0;i<3;i++)
1041         printf("%d", cinit2[i]);
1042     printf("\n");
1043
1044     q = "tralala1";
1045     printf("q1=%s\n", q);
1046
1047     q = (char *){ "tralala2" };
1048     printf("q2=%s\n", q);
1049
1050     q3 = (char *){ q };
1051     printf("q3=%s\n", q3);
1052
1053     q = (char []){ "tralala3" };
1054     printf("q4=%s\n", q);
1055
1056 #ifdef ALL_ISOC99
1057     p = (int []){1, 2, cinit1 + 3};
1058     for(i=0;i<3;i++)
1059         printf(" %d", p[i]);
1060     printf("\n");
1061
1062     for(i=0;i<3;i++) {
1063         p = (int []){1, 2, 4 + i};
1064         printf("%d %d %d\n",
1065                p[0],
1066                p[1],
1067                p[2]);
1068     }
1069 #endif
1070 }
1071
1072 /* K & R protos */
1073
1074 kr_func1(a, b)
1075 {
1076     return a + b;
1077 }
1078
1079 int kr_func2(a, b)
1080 {
1081     return a + b;
1082 }
1083
1084 kr_test()
1085 {
1086     printf("kr_test:\n");
1087     printf("func1=%d\n", kr_func1(3, 4));
1088     printf("func2=%d\n", kr_func2(3, 4));
1089     return 0;
1090 }
1091
1092 void num(int n)
1093 {
1094     char *tab, *p;
1095     tab = (char*)malloc(20);
1096     p = tab;
1097     while (1) {
1098         *p = 48 + (n % 10);
1099         p++;
1100         n = n / 10;
1101         if (n == 0)
1102             break;
1103     }
1104     while (p != tab) {
1105         p--;
1106         printf("%c", *p);
1107     }
1108     printf("\n");
1109     free(tab);
1110 }
1111
1112 /* structure assignment tests */
1113 struct structa1 {
1114     int f1;
1115     char f2;
1116 };
1117
1118 struct structa1 ssta1;
1119
1120 void struct_assign_test1(struct structa1 s1, int t, float f)
1121 {
1122     printf("%d %d %d %f\n", s1.f1, s1.f2, t, f);
1123 }
1124
1125 struct structa1 struct_assign_test2(struct structa1 s1, int t)
1126 {
1127     s1.f1 += t;
1128     s1.f2 -= t;
1129     return s1;
1130 }
1131
1132 void struct_assign_test(void)
1133 {
1134     struct S {
1135       struct structa1 lsta1, lsta2;
1136       int i;
1137     } s, *ps;
1138
1139     ps = &s;
1140     ps->i = 4;
1141 #if 0
1142     printf("struct_assign_test:\n");
1143
1144     s.lsta1.f1 = 1;
1145     s.lsta1.f2 = 2;
1146     printf("%d %d\n", s.lsta1.f1, s.lsta1.f2);
1147     s.lsta2 = s.lsta1;
1148     printf("%d %d\n", s.lsta2.f1, s.lsta2.f2);
1149 #else
1150     s.lsta2.f1 = 1;
1151     s.lsta2.f2 = 2;
1152 #endif
1153     struct_assign_test1(ps->lsta2, 3, 4.5);
1154
1155     printf("before call: %d %d\n", s.lsta2.f1, s.lsta2.f2);
1156     ps->lsta2 = struct_assign_test2(ps->lsta2, ps->i);
1157     printf("after call: %d %d\n", ps->lsta2.f1, ps->lsta2.f2);
1158
1159     static struct {
1160         void (*elem)();
1161     } t[] = {
1162         /* XXX: we should allow this even without braces */
1163         { struct_assign_test }
1164     };
1165     printf("%d\n", struct_assign_test == t[0].elem);
1166 }
1167
1168 /* casts to short/char */
1169
1170 void cast1(char a, short b, unsigned char c, unsigned short d)
1171 {
1172     printf("%d %d %d %d\n", a, b, c, d);
1173 }
1174
1175 char bcast;
1176 short scast;
1177
1178 void cast_test()
1179 {
1180     int a;
1181     char c;
1182     char tab[10];
1183     unsigned b,d;
1184     short s;
1185     char *p = NULL;
1186     p -= 0x700000000042;
1187
1188     printf("cast_test:\n");
1189     a = 0xfffff;
1190     cast1(a, a, a, a);
1191     a = 0xffffe;
1192     printf("%d %d %d %d\n",
1193            (char)(a + 1),
1194            (short)(a + 1),
1195            (unsigned char)(a + 1),
1196            (unsigned short)(a + 1));
1197     printf("%d %d %d %d\n",
1198            (char)0xfffff,
1199            (short)0xfffff,
1200            (unsigned char)0xfffff,
1201            (unsigned short)0xfffff);
1202
1203     a = (bcast = 128) + 1;
1204     printf("%d\n", a);
1205     a = (scast = 65536) + 1;
1206     printf("%d\n", a);
1207
1208     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
1209
1210     /* test cast from unsigned to signed short to int */
1211     b = 0xf000;
1212     d = (short)b;
1213     printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
1214     b = 0xf0f0;
1215     d = (char)b;
1216     printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
1217
1218     /* test implicit int casting for array accesses */
1219     c = 0;
1220     tab[1] = 2;
1221     tab[c] = 1;
1222     printf("%d %d\n", tab[0], tab[1]);
1223
1224     /* test implicit casting on some operators */
1225     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
1226     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
1227     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
1228
1229     /* from pointer to integer types */
1230     printf("%d %d %ld %ld %lld %lld\n",
1231            (int)p, (unsigned int)p,
1232            (long)p, (unsigned long)p,
1233            (long long)p, (unsigned long long)p);
1234
1235     /* from integers to pointers */
1236     printf("%p %p %p %p\n",
1237            (void *)a, (void *)b, (void *)c, (void *)d);
1238 }
1239
1240 /* initializers tests */
1241 struct structinit1 {
1242     int f1;
1243     char f2;
1244     short f3;
1245     int farray[3];
1246 };
1247
1248 int sinit1 = 2;
1249 int sinit2 = { 3 };
1250 int sinit3[3] = { 1, 2, {{3}}, };
1251 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1252 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1253 int sinit6[] = { 1, 2, 3 };
1254 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1255 char sinit8[] = "hello" "trala";
1256
1257 struct structinit1 sinit9 = { 1, 2, 3 };
1258 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1259 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1260 #ifdef ALL_ISOC99
1261                                .farray[0] = 10,
1262                                .farray[1] = 11,
1263                                .farray[2] = 12,
1264 #endif
1265 };
1266
1267 char *sinit12 = "hello world";
1268 char *sinit13[] = {
1269     "test1",
1270     "test2",
1271     "test3",
1272 };
1273 char sinit14[10] = { "abc" };
1274 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1275
1276 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1277
1278 struct bar {
1279         char *s;
1280         int len;
1281 } sinit17[] = {
1282         "a1", 4,
1283         "a2", 1
1284 };
1285
1286 int sinit18[10] = {
1287     [2 ... 5] = 20,
1288     2,
1289     [8] = 10,
1290 };
1291
1292 struct complexinit0 {
1293     int a;
1294     int b;
1295 };
1296
1297 struct complexinit {
1298     int a;
1299     const struct complexinit0 *b;
1300 };
1301
1302 const static struct complexinit cix[] = {
1303     [0] = {
1304         .a = 2000,
1305         .b = (const struct complexinit0[]) {
1306                 { 2001, 2002 },
1307                 { 2003, 2003 },
1308                 {}
1309         }
1310     }
1311 };
1312
1313 struct complexinit2 {
1314         int a;
1315         int b[];
1316 };
1317
1318 struct complexinit2 cix20;
1319
1320 struct complexinit2 cix21 = {
1321         .a = 3000,
1322         .b = { 3001, 3002, 3003 }
1323 };
1324
1325 struct complexinit2 cix22 = {
1326         .a = 4000,
1327         .b = { 4001, 4002, 4003, 4004, 4005, 4006 }
1328 };
1329
1330 void init_test(void)
1331 {
1332     int linit1 = 2;
1333     int linit2 = { 3 };
1334     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1335     int linit6[] = { 1, 2, 3 };
1336     int i, j;
1337     char linit8[] = "hello" "trala";
1338     int linit12[10] = { 1, 2 };
1339     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1340     char linit14[10] = "abc";
1341     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1342     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1343     int linit17 = sizeof(linit17);
1344
1345     printf("init_test:\n");
1346
1347     printf("sinit1=%d\n", sinit1);
1348     printf("sinit2=%d\n", sinit2);
1349     printf("sinit3=%d %d %d %d\n",
1350            sizeof(sinit3),
1351            sinit3[0],
1352            sinit3[1],
1353            sinit3[2]
1354            );
1355     printf("sinit6=%d\n", sizeof(sinit6));
1356     printf("sinit7=%d %d %d %d\n",
1357            sizeof(sinit7),
1358            sinit7[0],
1359            sinit7[1],
1360            sinit7[2]
1361            );
1362     printf("sinit8=%s\n", sinit8);
1363     printf("sinit9=%d %d %d\n",
1364            sinit9.f1,
1365            sinit9.f2,
1366            sinit9.f3
1367            );
1368     printf("sinit10=%d %d %d\n",
1369            sinit10.f1,
1370            sinit10.f2,
1371            sinit10.f3
1372            );
1373     printf("sinit11=%d %d %d %d %d %d\n",
1374            sinit11.f1,
1375            sinit11.f2,
1376            sinit11.f3,
1377            sinit11.farray[0],
1378            sinit11.farray[1],
1379            sinit11.farray[2]
1380            );
1381
1382     for(i=0;i<3;i++)
1383         for(j=0;j<2;j++)
1384             printf("[%d][%d] = %d %d %d\n",
1385                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1386     printf("linit1=%d\n", linit1);
1387     printf("linit2=%d\n", linit2);
1388     printf("linit6=%d\n", sizeof(linit6));
1389     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1390
1391     printf("sinit12=%s\n", sinit12);
1392     printf("sinit13=%d %s %s %s\n",
1393            sizeof(sinit13),
1394            sinit13[0],
1395            sinit13[1],
1396            sinit13[2]);
1397     printf("sinit14=%s\n", sinit14);
1398
1399     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1400     printf("\n");
1401     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1402     printf("\n");
1403     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1404     printf("\n");
1405     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1406     printf("\n");
1407     printf("%d %d %d %d\n",
1408            linit16.a1,
1409            linit16.a2,
1410            linit16.a3,
1411            linit16.a4);
1412     /* test that initialisation is done after variable declare */
1413     printf("linit17=%d\n", linit17);
1414     printf("sinit15=%d\n", sinit15[0]);
1415     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1416     printf("sinit17=%s %d %s %d\n",
1417            sinit17[0].s, sinit17[0].len,
1418            sinit17[1].s, sinit17[1].len);
1419     for(i=0;i<10;i++)
1420         printf("%x ", sinit18[i]);
1421     printf("\n");
1422     /* complex init check */
1423     printf("cix: %d %d %d %d %d %d %d\n",
1424         cix[0].a,
1425         cix[0].b[0].a, cix[0].b[0].b,
1426         cix[0].b[1].a, cix[0].b[1].b,
1427         cix[0].b[2].a, cix[0].b[2].b);
1428     printf("cix2: %d %d\n", cix21.b[2], cix22.b[5]);
1429     printf("sizeof cix20 %d, cix21 %d, sizeof cix22 %d\n", sizeof cix20, sizeof cix21, sizeof cix22);
1430 }
1431
1432
1433 void switch_test()
1434 {
1435     int i;
1436
1437     for(i=0;i<15;i++) {
1438         switch(i) {
1439         case 0:
1440         case 1:
1441             printf("a");
1442             break;
1443         default:
1444             printf("%d", i);
1445             break;
1446         case 8 ... 12:
1447             printf("c");
1448             break;
1449         case 3:
1450             printf("b");
1451             break;
1452         }
1453     }
1454     printf("\n");
1455 }
1456
1457 /* ISOC99 _Bool type */
1458 void c99_bool_test(void)
1459 {
1460 #ifdef BOOL_ISOC99
1461     int a;
1462     _Bool b;
1463
1464     printf("bool_test:\n");
1465     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1466     a = 3;
1467     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1468     b = 3;
1469     printf("b = %d\n", b);
1470     b++;
1471     printf("b = %d\n", b);
1472 #endif
1473 }
1474
1475 void bitfield_test(void)
1476 {
1477     int a;
1478     short sa;
1479     unsigned char ca;
1480     struct sbf1 {
1481         int f1 : 3;
1482         int : 2;
1483         int f2 : 1;
1484         int : 0;
1485         int f3 : 5;
1486         int f4 : 7;
1487         unsigned int f5 : 7;
1488     } st1;
1489     printf("bitfield_test:");
1490     printf("sizeof(st1) = %d\n", sizeof(st1));
1491
1492     st1.f1 = 3;
1493     st1.f2 = 1;
1494     st1.f3 = 15;
1495     a = 120;
1496     st1.f4 = a;
1497     st1.f5 = a;
1498     st1.f5++;
1499     printf("%d %d %d %d %d\n",
1500            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1501     sa = st1.f5;
1502     ca = st1.f5;
1503     printf("%d %d\n", sa, ca);
1504
1505     st1.f1 = 7;
1506     if (st1.f1 == -1)
1507         printf("st1.f1 == -1\n");
1508     else
1509         printf("st1.f1 != -1\n");
1510     if (st1.f2 == -1)
1511         printf("st1.f2 == -1\n");
1512     else
1513         printf("st1.f2 != -1\n");
1514
1515     /* bit sizes below must be bigger than 32 since GCC doesn't allow
1516        long-long bitfields whose size is not bigger than int */
1517     struct sbf2 {
1518         long long f1 : 45;
1519         long long : 2;
1520         long long f2 : 35;
1521         unsigned long long f3 : 38;
1522     } st2;
1523     st2.f1 = 0x123456789ULL;
1524     a = 120;
1525     st2.f2 = (long long)a << 25;
1526     st2.f3 = a;
1527     st2.f2++;
1528     printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
1529 }
1530
1531 #ifdef __x86_64__
1532 #define FLOAT_FMT "%f\n"
1533 #else
1534 /* x86's float isn't compatible with GCC */
1535 #define FLOAT_FMT "%.5f\n"
1536 #endif
1537
1538 /* declare strto* functions as they are C99 */
1539 double strtod(const char *nptr, char **endptr);
1540 float strtof(const char *nptr, char **endptr);
1541 long double strtold(const char *nptr, char **endptr);
1542
1543 #define FTEST(prefix, type, fmt)\
1544 void prefix ## cmp(type a, type b)\
1545 {\
1546     printf("%d %d %d %d %d %d\n",\
1547            a == b,\
1548            a != b,\
1549            a < b,\
1550            a > b,\
1551            a >= b,\
1552            a <= b);\
1553     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1554            a,\
1555            b,\
1556            a + b,\
1557            a - b,\
1558            a * b,\
1559            a / b,\
1560            -a);\
1561     printf(fmt "\n", ++a);\
1562     printf(fmt "\n", a++);\
1563     printf(fmt "\n", a);\
1564     b = 0;\
1565     printf("%d %d\n", !a, !b);\
1566 }\
1567 void prefix ## fcast(type a)\
1568 {\
1569     float fa;\
1570     double da;\
1571     long double la;\
1572     int ia;\
1573     unsigned int ua;\
1574     type b;\
1575     fa = a;\
1576     da = a;\
1577     la = a;\
1578     printf("ftof: %f %f %Lf\n", fa, da, la);\
1579     ia = (int)a;\
1580     ua = (unsigned int)a;\
1581     printf("ftoi: %d %u\n", ia, ua);\
1582     ia = -1234;\
1583     ua = 0x81234500;\
1584     b = ia;\
1585     printf("itof: " fmt "\n", b);\
1586     b = ua;\
1587     printf("utof: " fmt "\n", b);\
1588 }\
1589 \
1590 float prefix ## retf(type a) { return a; }\
1591 double prefix ## retd(type a) { return a; }\
1592 long double prefix ## retld(type a) { return a; }\
1593 \
1594 void prefix ## call(void)\
1595 {\
1596     printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
1597     printf("double: %f\n", prefix ## retd(42.123456789));\
1598     printf("long double: %Lf\n", prefix ## retld(42.123456789));\
1599     printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
1600 }\
1601 \
1602 void prefix ## test(void)\
1603 {\
1604     printf("testing '%s'\n", #type);\
1605     prefix ## cmp(1, 2.5);\
1606     prefix ## cmp(2, 1.5);\
1607     prefix ## cmp(1, 1);\
1608     prefix ## fcast(234.6);\
1609     prefix ## fcast(-2334.6);\
1610     prefix ## call();\
1611 }
1612
1613 FTEST(f, float, "%f")
1614 FTEST(d, double, "%f")
1615 FTEST(ld, long double, "%Lf")
1616
1617 double ftab1[3] = { 1.2, 3.4, -5.6 };
1618
1619
1620 void float_test(void)
1621 {
1622     float fa, fb;
1623     double da, db;
1624     int a;
1625     unsigned int b;
1626
1627     printf("float_test:\n");
1628     printf("sizeof(float) = %d\n", sizeof(float));
1629     printf("sizeof(double) = %d\n", sizeof(double));
1630     printf("sizeof(long double) = %d\n", sizeof(long double));
1631     ftest();
1632     dtest();
1633     ldtest();
1634     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1635     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1636     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1637     da = 123;
1638     printf("da=%f\n", da);
1639     fa = 123;
1640     printf("fa=%f\n", fa);
1641     a = 4000000000;
1642     da = a;
1643     printf("da = %f\n", da);
1644     b = 4000000000;
1645     db = b;
1646     printf("db = %f\n", db);
1647 }
1648
1649 int fib(int n)
1650 {
1651     if (n <= 2)
1652         return 1;
1653     else
1654         return fib(n-1) + fib(n-2);
1655 }
1656
1657 void funcptr_test()
1658 {
1659     void (*func)(int);
1660     int a;
1661     struct {
1662         int dummy;
1663         void (*func)(int);
1664     } st1;
1665
1666     printf("funcptr:\n");
1667     func = &num;
1668     (*func)(12345);
1669     func = num;
1670     a = 1;
1671     a = 1;
1672     func(12345);
1673     /* more complicated pointer computation */
1674     st1.func = num;
1675     st1.func(12346);
1676     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1677     printf("sizeof2 = %d\n", sizeof funcptr_test);
1678     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1679     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1680 }
1681
1682 void lloptest(long long a, long long b)
1683 {
1684     unsigned long long ua, ub;
1685
1686     ua = a;
1687     ub = b;
1688     /* arith */
1689     printf("arith: %Ld %Ld %Ld\n",
1690            a + b,
1691            a - b,
1692            a * b);
1693
1694     if (b != 0) {
1695         printf("arith1: %Ld %Ld\n",
1696            a / b,
1697            a % b);
1698     }
1699
1700     /* binary */
1701     printf("bin: %Ld %Ld %Ld\n",
1702            a & b,
1703            a | b,
1704            a ^ b);
1705
1706     /* tests */
1707     printf("test: %d %d %d %d %d %d\n",
1708            a == b,
1709            a != b,
1710            a < b,
1711            a > b,
1712            a >= b,
1713            a <= b);
1714
1715     printf("utest: %d %d %d %d %d %d\n",
1716            ua == ub,
1717            ua != ub,
1718            ua < ub,
1719            ua > ub,
1720            ua >= ub,
1721            ua <= ub);
1722
1723     /* arith2 */
1724     a++;
1725     b++;
1726     printf("arith2: %Ld %Ld\n", a, b);
1727     printf("arith2: %Ld %Ld\n", a++, b++);
1728     printf("arith2: %Ld %Ld\n", --a, --b);
1729     printf("arith2: %Ld %Ld\n", a, b);
1730     b = ub = 0;
1731     printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
1732 }
1733
1734 void llshift(long long a, int b)
1735 {
1736     printf("shift: %Ld %Ld %Ld\n",
1737            (unsigned long long)a >> b,
1738            a >> b,
1739            a << b);
1740     printf("shiftc: %Ld %Ld %Ld\n",
1741            (unsigned long long)a >> 3,
1742            a >> 3,
1743            a << 3);
1744     printf("shiftc: %Ld %Ld %Ld\n",
1745            (unsigned long long)a >> 35,
1746            a >> 35,
1747            a << 35);
1748 }
1749
1750 void llfloat(void)
1751 {
1752     float fa;
1753     double da;
1754     long double lda;
1755     long long la, lb, lc;
1756     unsigned long long ula, ulb, ulc;
1757     la = 0x12345678;
1758     ula = 0x72345678;
1759     la = (la << 20) | 0x12345;
1760     ula = ula << 33;
1761     printf("la=%Ld ula=%Lu\n", la, ula);
1762
1763     fa = la;
1764     da = la;
1765     lda = la;
1766     printf("lltof: %f %f %Lf\n", fa, da, lda);
1767
1768     la = fa;
1769     lb = da;
1770     lc = lda;
1771     printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
1772
1773     fa = ula;
1774     da = ula;
1775     lda = ula;
1776     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1777
1778     ula = fa;
1779     ulb = da;
1780     ulc = lda;
1781     printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
1782 }
1783
1784 long long llfunc1(int a)
1785 {
1786     return a * 2;
1787 }
1788
1789 struct S {
1790     int id;
1791     char item;
1792 };
1793
1794 long long int value(struct S *v)
1795 {
1796     return ((long long int)v->item);
1797 }
1798
1799 void longlong_test(void)
1800 {
1801     long long a, b, c;
1802     int ia;
1803     unsigned int ua;
1804     printf("longlong_test:\n");
1805     printf("sizeof(long long) = %d\n", sizeof(long long));
1806     ia = -1;
1807     ua = -2;
1808     a = ia;
1809     b = ua;
1810     printf("%Ld %Ld\n", a, b);
1811     printf("%Ld %Ld %Ld %Lx\n",
1812            (long long)1,
1813            (long long)-2,
1814            1LL,
1815            0x1234567812345679);
1816     a = llfunc1(-3);
1817     printf("%Ld\n", a);
1818
1819     lloptest(1000, 23);
1820     lloptest(0xff, 0x1234);
1821     b = 0x72345678 << 10;
1822     lloptest(-3, b);
1823     llshift(0x123, 5);
1824     llshift(-23, 5);
1825     b = 0x72345678LL << 10;
1826     llshift(b, 47);
1827
1828     llfloat();
1829 #if 1
1830     b = 0x12345678;
1831     a = -1;
1832     c = a + b;
1833     printf("%Lx\n", c);
1834 #endif
1835
1836     /* long long reg spill test */
1837     {
1838           struct S a;
1839
1840           a.item = 3;
1841           printf("%lld\n", value(&a));
1842     }
1843     lloptest(0x80000000, 0);
1844
1845     /* another long long spill test */
1846     {
1847         long long *p, v;
1848         v = 1;
1849         p = &v;
1850         p[0]++;
1851         printf("%lld\n", *p);
1852     }
1853
1854     a = 68719476720LL;
1855     b = 4294967295LL;
1856     printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
1857
1858     printf("%Ld\n", 0x123456789LLU);
1859 }
1860
1861 void manyarg_test(void)
1862 {
1863     long double ld = 1234567891234LL;
1864     printf("manyarg_test:\n");
1865     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
1866            1, 2, 3, 4, 5, 6, 7, 8,
1867            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
1868     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1869            "%Ld %Ld %f %f\n",
1870            1, 2, 3, 4, 5, 6, 7, 8,
1871            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1872            1234567891234LL, 987654321986LL,
1873            42.0, 43.0);
1874     printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1875            "%Ld %Ld %f %f\n",
1876            ld, 1, 2, 3, 4, 5, 6, 7, 8,
1877            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1878            1234567891234LL, 987654321986LL,
1879            42.0, 43.0);
1880     /* XXX: known bug of x86-64 */
1881 #ifndef __x86_64__
1882     printf("%d %d %d %d %d %d %d %d %Lf\n",
1883            1, 2, 3, 4, 5, 6, 7, 8, ld);
1884     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1885            "%Ld %Ld %f %f %Lf\n",
1886            1, 2, 3, 4, 5, 6, 7, 8,
1887            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1888            1234567891234LL, 987654321986LL,
1889            42.0, 43.0, ld);
1890     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1891            "%Lf %Ld %Ld %f %f %Lf\n",
1892            1, 2, 3, 4, 5, 6, 7, 8,
1893            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1894            ld, 1234567891234LL, 987654321986LL,
1895            42.0, 43.0, ld);
1896 #endif
1897 }
1898
1899 void vprintf1(const char *fmt, ...)
1900 {
1901     va_list ap, aq;
1902     const char *p;
1903     int c, i;
1904     double d;
1905     long long ll;
1906     long double ld;
1907
1908     va_start(aq, fmt);
1909     va_copy(ap, aq);
1910
1911     p = fmt;
1912     for(;;) {
1913         c = *p;
1914         if (c == '\0')
1915             break;
1916         p++;
1917         if (c == '%') {
1918             c = *p;
1919             switch(c) {
1920             case '\0':
1921                 goto the_end;
1922             case 'd':
1923                 i = va_arg(ap, int);
1924                 printf("%d", i);
1925                 break;
1926             case 'f':
1927                 d = va_arg(ap, double);
1928                 printf("%f", d);
1929                 break;
1930             case 'l':
1931                 ll = va_arg(ap, long long);
1932                 printf("%Ld", ll);
1933                 break;
1934             case 'F':
1935                 ld = va_arg(ap, long double);
1936                 printf("%Lf", ld);
1937                 break;
1938             }
1939             p++;
1940         } else {
1941             putchar(c);
1942         }
1943     }
1944  the_end:
1945     va_end(aq);
1946     va_end(ap);
1947 }
1948
1949 struct myspace {
1950     short int profile;
1951 };
1952
1953 void stdarg_for_struct(struct myspace bob, ...)
1954 {
1955     struct myspace george, bill;
1956     va_list ap;
1957     short int validate;
1958
1959     va_start(ap, bob);
1960     bill     = va_arg(ap, struct myspace);
1961     george   = va_arg(ap, struct myspace);
1962     validate = va_arg(ap, int);
1963     printf("stdarg_for_struct: %d %d %d %d\n",
1964            bob.profile, bill.profile, george.profile, validate);
1965     va_end(ap);
1966 }
1967
1968 void stdarg_test(void)
1969 {
1970     long double ld = 1234567891234LL;
1971     struct myspace bob;
1972
1973     vprintf1("%d %d %d\n", 1, 2, 3);
1974     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
1975     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
1976     vprintf1("%F %F %F\n", 1.2L, 2.3L, 3.4L);
1977 #ifdef __x86_64__
1978     /* a bug of x86's TCC */
1979     vprintf1("%d %f %l %F %d %f %l %F\n",
1980              1, 1.2, 3L, 4.5L, 6, 7.8, 9L, 0.1L);
1981 #endif
1982     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
1983              1, 2, 3, 4, 5, 6, 7, 8,
1984              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
1985     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
1986              1, 2, 3, 4, 5, 6, 7, 8,
1987              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
1988     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1989              "%l %l %f %f\n",
1990              1, 2, 3, 4, 5, 6, 7, 8,
1991              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1992              1234567891234LL, 987654321986LL,
1993              42.0, 43.0);
1994     vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1995              "%l %l %f %f\n",
1996              ld, 1, 2, 3, 4, 5, 6, 7, 8,
1997              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1998              1234567891234LL, 987654321986LL,
1999              42.0, 43.0);
2000     vprintf1("%d %d %d %d %d %d %d %d %F\n",
2001              1, 2, 3, 4, 5, 6, 7, 8, ld);
2002     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2003              "%l %l %f %f %F\n",
2004              1, 2, 3, 4, 5, 6, 7, 8,
2005              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2006              1234567891234LL, 987654321986LL,
2007              42.0, 43.0, ld);
2008     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2009              "%F %l %l %f %f %F\n",
2010              1, 2, 3, 4, 5, 6, 7, 8,
2011              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2012              ld, 1234567891234LL, 987654321986LL,
2013              42.0, 43.0, ld);
2014
2015     bob.profile = 42;
2016     stdarg_for_struct(bob, bob, bob, bob.profile);
2017 }
2018
2019 void whitespace_test(void)
2020 {
2021     char *str;
2022
2023 \f\v
#if 1
2024     pri\
2025 ntf("whitspace:\n");\f\v
2026 #endif
2027     pf("N=%d\n", 2);
2028
2029 #ifdef CORRECT_CR_HANDLING
2030     pri\
2031 ntf("aaa=%d\n", 3);
2032 #endif
2033
2034     pri\
2035 \
2036 ntf("min=%d\n", 4);
2037
2038 #ifdef ACCEPT_CR_IN_STRINGS
2039     printf("len1=%d\n", strlen("
2040 "));
2041 #ifdef CORRECT_CR_HANDLING
2042     str = "
2043 ";
2044     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
2045 #endif
2046     printf("len1=%d\n", strlen("
a
2047 "));
2048 #endif /* ACCEPT_CR_IN_STRINGS */
2049 }
2050
2051 int reltab[3] = { 1, 2, 3 };
2052
2053 int *rel1 = &reltab[1];
2054 int *rel2 = &reltab[2];
2055
2056 void relocation_test(void)
2057 {
2058     printf("*rel1=%d\n", *rel1);
2059     printf("*rel2=%d\n", *rel2);
2060 }
2061
2062 void old_style_f(a,b,c)
2063      int a, b;
2064      double c;
2065 {
2066     printf("a=%d b=%d b=%f\n", a, b, c);
2067 }
2068
2069 void decl_func1(int cmpfn())
2070 {
2071     printf("cmpfn=%lx\n", (long)cmpfn);
2072 }
2073
2074 void decl_func2(cmpfn)
2075 int cmpfn();
2076 {
2077     printf("cmpfn=%lx\n", (long)cmpfn);
2078 }
2079
2080 void old_style_function(void)
2081 {
2082     old_style_f((void *)1, 2, 3.0);
2083     decl_func1(NULL);
2084     decl_func2(NULL);
2085 }
2086
2087 void alloca_test()
2088 {
2089 #if defined __i386__ || defined __x86_64__
2090     char *p = alloca(16);
2091     strcpy(p,"123456789012345");
2092     printf("alloca: p is %s\n", p);
2093     char *demo = "This is only a test.\n";
2094     /* Test alloca embedded in a larger expression */
2095     printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
2096 #endif
2097 }
2098
2099 void *bounds_checking_is_enabled()
2100 {
2101     char ca[10], *cp = ca-1;
2102     return (ca != cp + 1) ? cp : NULL;
2103 }
2104
2105 typedef int constant_negative_array_size_as_compile_time_assertion_idiom[(1 ? 2 : 0) - 1];
2106
2107 void c99_vla_test(int size1, int size2)
2108 {
2109 #if defined __i386__ || defined __x86_64__
2110     int size = size1 * size2;
2111     int tab1[size][2], tab2[10][2];
2112     void *tab1_ptr, *tab2_ptr, *bad_ptr;
2113
2114     /* "size" should have been 'captured' at tab1 declaration,
2115         so modifying it should have no effect on VLA behaviour. */
2116     size = size-1;
2117
2118     printf("Test C99 VLA 1 (sizeof): ");
2119     printf("%s\n", (sizeof tab1 == size1 * size2 * 2 * sizeof(int)) ? "PASSED" : "FAILED");
2120     tab1_ptr = tab1;
2121     tab2_ptr = tab2;
2122     printf("Test C99 VLA 2 (ptrs substract): ");
2123     printf("%s\n", (tab2 - tab1 == (tab2_ptr - tab1_ptr) / (sizeof(int) * 2)) ? "PASSED" : "FAILED");
2124     printf("Test C99 VLA 3 (ptr add): ");
2125     printf("%s\n", &tab1[5][1] == (tab1_ptr + (5 * 2 + 1) * sizeof(int)) ? "PASSED" : "FAILED");
2126     printf("Test C99 VLA 4 (ptr access): ");
2127     tab1[size1][1] = 42;
2128     printf("%s\n", (*((int *) (tab1_ptr + (size1 * 2 + 1) * sizeof(int))) == 42) ? "PASSED" : "FAILED");
2129
2130     printf("Test C99 VLA 5 (bounds checking (might be disabled)): ");
2131     if (bad_ptr = bounds_checking_is_enabled()) {
2132         int *t1 = &tab1[size1 * size2 - 1][3];
2133         int *t2 = &tab2[9][3];
2134         printf("%s ", bad_ptr == t1 ? "PASSED" : "FAILED");
2135         printf("%s ", bad_ptr == t2 ? "PASSED" : "FAILED");
2136
2137         char*c1 = 1 + sizeof(tab1) + (char*)tab1;
2138         char*c2 = 1 + sizeof(tab2) + (char*)tab2;
2139         printf("%s ", bad_ptr == c1 ? "PASSED" : "FAILED");
2140         printf("%s ", bad_ptr == c2 ? "PASSED" : "FAILED");
2141
2142         int *i1 = tab1[-1];
2143         int *i2 = tab2[-1];
2144         printf("%s ", bad_ptr == i1 ? "PASSED" : "FAILED");
2145         printf("%s ", bad_ptr == i2 ? "PASSED" : "FAILED");
2146
2147         int *x1 = tab1[size1 * size2 + 1];
2148         int *x2 = tab2[10 + 1];
2149         printf("%s ", bad_ptr == x1 ? "PASSED" : "FAILED");
2150         printf("%s ", bad_ptr == x2 ? "PASSED" : "FAILED");
2151     } else {
2152         printf("PASSED PASSED PASSED PASSED PASSED PASSED PASSED PASSED ");
2153     }
2154     printf("\n");
2155 #endif
2156 }
2157
2158 typedef __SIZE_TYPE__ uintptr_t;
2159
2160 void sizeof_test(void)
2161 {
2162     int a;
2163     int **ptr;
2164
2165     printf("sizeof(int) = %d\n", sizeof(int));
2166     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
2167     printf("sizeof(long) = %d\n", sizeof(long));
2168     printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
2169     printf("sizeof(short) = %d\n", sizeof(short));
2170     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
2171     printf("sizeof(char) = %d\n", sizeof(char));
2172     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
2173     printf("sizeof(func) = %d\n", sizeof sizeof_test());
2174     a = 1;
2175     printf("sizeof(a++) = %d\n", sizeof a++);
2176     printf("a=%d\n", a);
2177     ptr = NULL;
2178     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
2179
2180     /* The type of sizeof should be as large as a pointer, actually
2181        it should be size_t.  */
2182     printf("sizeof(sizeof(int) = %d\n", sizeof(sizeof(int)));
2183     uintptr_t t = 1;
2184     uintptr_t t2;
2185     /* Effectively <<32, but defined also on 32bit machines.  */
2186     t <<= 16;
2187     t <<= 16;
2188     t++;
2189     /* This checks that sizeof really can be used to manipulate
2190        uintptr_t objects, without truncation.  */
2191     t2 = t & -sizeof(uintptr_t);
2192     printf ("%lu %lu\n", t, t2);
2193
2194     /* some alignof tests */
2195     printf("__alignof__(int) = %d\n", __alignof__(int));
2196     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
2197     printf("__alignof__(short) = %d\n", __alignof__(short));
2198     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
2199     printf("__alignof__(char) = %d\n", __alignof__(char));
2200     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
2201     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
2202 }
2203
2204 void typeof_test(void)
2205 {
2206     double a;
2207     typeof(a) b;
2208     typeof(float) c;
2209
2210     a = 1.5;
2211     b = 2.5;
2212     c = 3.5;
2213     printf("a=%f b=%f c=%f\n", a, b, c);
2214 }
2215
2216 void statement_expr_test(void)
2217 {
2218     int a, i;
2219
2220     a = 0;
2221     for(i=0;i<10;i++) {
2222         a += 1 +
2223             ( { int b, j;
2224                 b = 0;
2225                 for(j=0;j<5;j++)
2226                     b += j; b;
2227             } );
2228     }
2229     printf("a=%d\n", a);
2230
2231 }
2232
2233 void local_label_test(void)
2234 {
2235     int a;
2236     goto l1;
2237  l2:
2238     a = 1 + ({
2239         __label__ l1, l2, l3, l4;
2240         goto l1;
2241     l4:
2242         printf("aa1\n");
2243         goto l3;
2244     l2:
2245         printf("aa3\n");
2246         goto l4;
2247     l1:
2248         printf("aa2\n");
2249         goto l2;
2250     l3:;
2251         1;
2252     });
2253     printf("a=%d\n", a);
2254     return;
2255  l4:
2256     printf("bb1\n");
2257     goto l2;
2258  l1:
2259     printf("bb2\n");
2260     goto l4;
2261 }
2262
2263 /* inline assembler test */
2264 #ifdef __i386__
2265
2266 /* from linux kernel */
2267 static char * strncat1(char * dest,const char * src,size_t count)
2268 {
2269 int d0, d1, d2, d3;
2270 __asm__ __volatile__(
2271         "repne\n\t"
2272         "scasb\n\t"
2273         "decl %1\n\t"
2274         "movl %8,%3\n"
2275         "1:\tdecl %3\n\t"
2276         "js 2f\n\t"
2277         "lodsb\n\t"
2278         "stosb\n\t"
2279         "testb %%al,%%al\n\t"
2280         "jne 1b\n"
2281         "2:\txorl %2,%2\n\t"
2282         "stosb"
2283         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2284         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2285         : "memory");
2286 return dest;
2287 }
2288
2289 static char * strncat2(char * dest,const char * src,size_t count)
2290 {
2291 int d0, d1, d2, d3;
2292 __asm__ __volatile__(
2293         "repne scasb\n\t" /* one-line repne prefix + string op */
2294         "decl %1\n\t"
2295         "movl %8,%3\n"
2296         "1:\tdecl %3\n\t"
2297         "js 2f\n\t"
2298         "lodsb\n\t"
2299         "stosb\n\t"
2300         "testb %%al,%%al\n\t"
2301         "jne 1b\n"
2302         "2:\txorl %2,%2\n\t"
2303         "stosb"
2304         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2305         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2306         : "memory");
2307 return dest;
2308 }
2309
2310 static inline void * memcpy1(void * to, const void * from, size_t n)
2311 {
2312 int d0, d1, d2;
2313 __asm__ __volatile__(
2314         "rep ; movsl\n\t"
2315         "testb $2,%b4\n\t"
2316         "je 1f\n\t"
2317         "movsw\n"
2318         "1:\ttestb $1,%b4\n\t"
2319         "je 2f\n\t"
2320         "movsb\n"
2321         "2:"
2322         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2323         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2324         : "memory");
2325 return (to);
2326 }
2327
2328 static inline void * memcpy2(void * to, const void * from, size_t n)
2329 {
2330 int d0, d1, d2;
2331 __asm__ __volatile__(
2332         "rep movsl\n\t"  /* one-line rep prefix + string op */
2333         "testb $2,%b4\n\t"
2334         "je 1f\n\t"
2335         "movsw\n"
2336         "1:\ttestb $1,%b4\n\t"
2337         "je 2f\n\t"
2338         "movsb\n"
2339         "2:"
2340         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2341         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2342         : "memory");
2343 return (to);
2344 }
2345
2346 static __inline__ void sigaddset1(unsigned int *set, int _sig)
2347 {
2348         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2349 }
2350
2351 static __inline__ void sigdelset1(unsigned int *set, int _sig)
2352 {
2353         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2354 }
2355
2356 static __inline__ __const__ unsigned int swab32(unsigned int x)
2357 {
2358         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
2359                 "rorl $16,%0\n\t"       /* swap words           */
2360                 "xchgb %b0,%h0"         /* swap higher bytes    */
2361                 :"=q" (x)
2362                 : "0" (x));
2363         return x;
2364 }
2365
2366 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
2367 {
2368     unsigned long long res;
2369     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
2370     return res;
2371 }
2372
2373 static __inline__ unsigned long long inc64(unsigned long long a)
2374 {
2375     unsigned long long res;
2376     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
2377     return res;
2378 }
2379
2380 unsigned int set;
2381
2382 void asm_test(void)
2383 {
2384     char buf[128];
2385     unsigned int val;
2386
2387     printf("inline asm:\n");
2388     /* test the no operand case */
2389     asm volatile ("xorl %eax, %eax");
2390
2391     memcpy1(buf, "hello", 6);
2392     strncat1(buf, " worldXXXXX", 3);
2393     printf("%s\n", buf);
2394
2395     memcpy2(buf, "hello", 6);
2396     strncat2(buf, " worldXXXXX", 3);
2397     printf("%s\n", buf);
2398
2399     /* 'A' constraint test */
2400     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
2401     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
2402
2403     set = 0xff;
2404     sigdelset1(&set, 2);
2405     sigaddset1(&set, 16);
2406     /* NOTE: we test here if C labels are correctly restored after the
2407        asm statement */
2408     goto label1;
2409  label2:
2410     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
2411 #ifdef __GNUC__ // works strange with GCC 4.3
2412     set=0x1080fd;
2413 #endif
2414     printf("set=0x%x\n", set);
2415     val = 0x01020304;
2416     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
2417     return;
2418  label1:
2419     goto label2;
2420 }
2421
2422 #else
2423
2424 void asm_test(void)
2425 {
2426 }
2427
2428 #endif
2429
2430 #define COMPAT_TYPE(type1, type2) \
2431 {\
2432     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
2433            __builtin_types_compatible_p (type1, type2));\
2434 }
2435
2436 int constant_p_var;
2437
2438 void builtin_test(void)
2439 {
2440 #if GCC_MAJOR >= 3
2441     COMPAT_TYPE(int, int);
2442     COMPAT_TYPE(int, unsigned int);
2443     COMPAT_TYPE(int, char);
2444     COMPAT_TYPE(int, const int);
2445     COMPAT_TYPE(int, volatile int);
2446     COMPAT_TYPE(int *, int *);
2447     COMPAT_TYPE(int *, void *);
2448     COMPAT_TYPE(int *, const int *);
2449     COMPAT_TYPE(char *, unsigned char *);
2450 /* space is needed because tcc preprocessor introduces a space between each token */
2451     COMPAT_TYPE(char * *, void *);
2452 #endif
2453     printf("res = %d\n", __builtin_constant_p(1));
2454     printf("res = %d\n", __builtin_constant_p(1 + 2));
2455     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
2456     printf("res = %d\n", __builtin_constant_p(constant_p_var));
2457 }
2458
2459
2460 extern int __attribute__((weak)) weak_f1(void);
2461 extern int __attribute__((weak)) weak_f2(void);
2462 extern int                       weak_f3(void);
2463 extern int __attribute__((weak)) weak_v1;
2464 extern int __attribute__((weak)) weak_v2;
2465 extern int                       weak_v3;
2466
2467 extern int                           (*weak_fpa)() __attribute__((weak));
2468 extern int __attribute__((weak))     (*weak_fpb)();
2469 extern     __attribute__((weak)) int (*weak_fpc)();
2470
2471 extern int                     weak_asm_f1(void) asm("weak_asm_f1x") __attribute((weak));
2472 extern int __attribute((weak)) weak_asm_f2(void) asm("weak_asm_f2x")                    ;
2473 extern int __attribute((weak)) weak_asm_f3(void) asm("weak_asm_f3x") __attribute((weak));
2474 extern int                     weak_asm_v1       asm("weak_asm_v1x") __attribute((weak));
2475 extern int __attribute((weak)) weak_asm_v2       asm("weak_asm_v2x")                    ;
2476 extern int __attribute((weak)) weak_asm_v3(void) asm("weak_asm_v3x") __attribute((weak));
2477
2478 static const size_t dummy = 0;
2479 extern __typeof(dummy) weak_dummy1 __attribute__((weak, alias("dummy")));
2480 extern __typeof(dummy) __attribute__((weak, alias("dummy"))) weak_dummy2;
2481 extern __attribute__((weak, alias("dummy"))) __typeof(dummy) weak_dummy3;
2482
2483 int some_lib_func(void);
2484 int dummy_impl_of_slf(void) { return 444; }
2485 int some_lib_func(void) __attribute__((weak, alias("dummy_impl_of_slf")));
2486
2487 int weak_toolate() __attribute__((weak));
2488 int weak_toolate() { return 0; }
2489
2490 void __attribute__((weak)) weak_test(void)
2491 {
2492         printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
2493         printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
2494         printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
2495         printf("weak_v1=%d\n",&weak_v1 ? weak_v1   : 123);
2496         printf("weak_v2=%d\n",&weak_v2 ? weak_v2   : 123);
2497         printf("weak_v3=%d\n",&weak_v3 ? weak_v3   : 123);
2498
2499         printf("weak_fpa=%d\n",&weak_fpa ? weak_fpa() : 123);
2500         printf("weak_fpb=%d\n",&weak_fpb ? weak_fpb() : 123);
2501         printf("weak_fpc=%d\n",&weak_fpc ? weak_fpc() : 123);
2502
2503         printf("weak_asm_f1=%d\n", weak_asm_f1 != NULL);
2504         printf("weak_asm_f2=%d\n", weak_asm_f2 != NULL);
2505         printf("weak_asm_f3=%d\n", weak_asm_f3 != NULL);
2506         printf("weak_asm_v1=%d\n",&weak_asm_v1 != NULL);
2507         printf("weak_asm_v2=%d\n",&weak_asm_v2 != NULL);
2508         printf("weak_asm_v3=%d\n",&weak_asm_v3 != NULL);
2509 }
2510
2511 int __attribute__((weak)) weak_f2() { return 222; }
2512 int __attribute__((weak)) weak_f3() { return 333; }
2513 int __attribute__((weak)) weak_v2 = 222;
2514 int __attribute__((weak)) weak_v3 = 333;
2515
2516 void const_func(const int a)
2517 {
2518 }
2519
2520 void const_warn_test(void)
2521 {
2522     const_func(1);
2523 }
2524
2525 struct condstruct {
2526   int i;
2527 };
2528
2529 int getme (struct condstruct *s, int i)
2530 {
2531   int i1 = (i == 0 ? 0 : s)->i;
2532   int i2 = (i == 0 ? s : 0)->i;
2533   int i3 = (i == 0 ? (void*)0 : s)->i;
2534   int i4 = (i == 0 ? s : (void*)0)->i;
2535   return i1 + i2 + i3 + i4;
2536 }
2537
2538 struct global_data
2539 {
2540   int a[40];
2541   int *b[40];
2542 };
2543
2544 struct global_data global_data;
2545
2546 int global_data_getstuff (int *, int);
2547
2548 void global_data_callit (int i)
2549 {
2550   *global_data.b[i] = global_data_getstuff (global_data.b[i], 1);
2551 }
2552
2553 int global_data_getstuff (int *p, int i)
2554 {
2555   return *p + i;
2556 }
2557
2558 void global_data_test (void)
2559 {
2560   global_data.a[0] = 42;
2561   global_data.b[0] = &global_data.a[0];
2562   global_data_callit (0);
2563   printf ("%d\n", global_data.a[0]);
2564 }