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