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