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