tests/tcctest.c

   1 /*
   2  * TCC auto test program
   3  */
   4 #include "../config.h"
   5
   6 #if GCC_MAJOR >= 3
   7
   8 /* Unfortunately, gcc version < 3 does not handle that! */
   9 #define ALL_ISOC99
  10
  11 /* only gcc 3 handles _Bool correctly */
  12 #define BOOL_ISOC99
  13
  14 /* gcc 2.95.3 does not handle correctly CR in strings or after strays */
  15 #define CORRECT_CR_HANDLING
  16
  17 #endif
  18
  19 /* deprecated and no longer supported in gcc 3.3 */
  20 //#define ACCEPT_CR_IN_STRINGS
  21
  22 /* __VA_ARGS__ and __func__ support */
  23 #define C99_MACROS
  24
  25 /* test various include syntaxes */
  26
  27 #define TCCLIB_INC <tcclib.h>
  28 #define TCCLIB_INC1 <tcclib
  29 #define TCCLIB_INC2 h>
  30 #define TCCLIB_INC3 "tcclib"
  31
  32 #include TCCLIB_INC
  33
  34 #include TCCLIB_INC1.TCCLIB_INC2
  35
  36 #include TCCLIB_INC1.h>
  37
  38 /* gcc 3.2 does not accept that (bug ?) */
  39 //#include TCCLIB_INC3 ".h"
  40
  41 #include <tcclib.h>
  42
  43 #include "tcclib.h"
  44
  45 void string_test();
  46 void expr_test();
  47 void macro_test();
  48 void recursive_macro_test();
  49 void scope_test();
  50 void forward_test();
  51 void funcptr_test();
  52 void loop_test();
  53 void switch_test();
  54 void goto_test();
  55 void enum_test();
  56 void typedef_test();
  57 void struct_test();
  58 void array_test();
  59 void expr_ptr_test();
  60 void bool_test();
  61 void expr2_test();
  62 void constant_expr_test();
  63 void expr_cmp_test();
  64 void char_short_test();
  65 void init_test(void);
  66 void compound_literal_test(void);
  67 int kr_test();
  68 void struct_assign_test(void);
  69 void cast_test(void);
  70 void bitfield_test(void);
  71 void c99_bool_test(void);
  72 void float_test(void);
  73 void longlong_test(void);
  74 void manyarg_test(void);
  75 void stdarg_test(void);
  76 void whitespace_test(void);
  77 void relocation_test(void);
  78 void old_style_function(void);
  79 void alloca_test(void);
  80 void c99_vla_test(int size1, int size2);
  81 void sizeof_test(void);
  82 void typeof_test(void);
  83 void local_label_test(void);
  84 void statement_expr_test(void);
  85 void asm_test(void);
  86 void builtin_test(void);
  87 void weak_test(void);
  88 void global_data_test(void);
  89 void cmp_comparison_test(void);
  90 void math_cmp_test(void);
  91 void callsave_test(void);
  92 void builtin_frame_address_test(void);
  93
  94 int fib(int n);
  95 void num(int n);
  96 void forward_ref(void);
  97 int isid(int c);
  98
  99 #define A 2
 100 #define N 1234 + A
 101 #define pf printf
 102 #define M1(a, b)  (a) + (b)
 103
 104 #define str\
 105 (s) # s
 106 #define glue(a, b) a ## b
 107 #define xglue(a, b) glue(a, b)
 108 #define HIGHLOW "hello"
 109 #define LOW LOW ", world"
 110
 111 static int onetwothree = 123;
 112 #define onetwothree4 onetwothree
 113 #define onetwothree xglue(onetwothree,4)
 114
 115 #define min(a, b) ((a) < (b) ? (a) : (b))
 116
 117 #ifdef C99_MACROS
 118 #define dprintf(level,...) printf(__VA_ARGS__)
 119 #endif
 120
 121 /* gcc vararg macros */
 122 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
 123
 124 #define MACRO_NOARGS()
 125
 126 #define AAA 3
 127 #undef AAA
 128 #define AAA 4
 129
 130 #if 1
 131 #define B3 1
 132 #elif 1
 133 #define B3 2
 134 #elif 0
 135 #define B3 3
 136 #else
 137 #define B3 4
 138 #endif
 139
 140 #define __INT64_C(c)    c ## LL
 141 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 142
 143 int qq(int x)
 144 {
 145     return x + 40;
 146 }
 147 #define qq(x) x
 148
 149 #define spin_lock(lock) do { } while (0)
 150 #define wq_spin_lock spin_lock
 151 #define TEST2() wq_spin_lock(a)
 152
 153 void macro_test(void)
 154 {
 155     printf("macro:\n");\f\v
 156     pf("N=%d\n", N);
 157     printf("aaa=%d\n", AAA);
 158
 159     printf("min=%d\n", min(1, min(2, -1)));
 160
 161     printf("s1=%s\n", glue(HIGH, LOW));
 162     printf("s2=%s\n", xglue(HIGH, LOW));
 163     printf("s3=%s\n", str("c"));
 164     printf("s4=%s\n", str(a1));
 165     printf("B3=%d\n", B3);
 166
 167     printf("onetwothree=%d\n", onetwothree);
 168
 169 #ifdef A
 170     printf("A defined\n");
 171 #endif
 172 #ifdef B
 173     printf("B defined\n");
 174 #endif
 175 #ifdef A
 176     printf("A defined\n");
 177 #else
 178     printf("A not defined\n");
 179 #endif
 180 #ifdef B
 181     printf("B defined\n");
 182 #else
 183     printf("B not defined\n");
 184 #endif
 185
 186 #ifdef A
 187     printf("A defined\n");
 188 #ifdef B
 189     printf("B1 defined\n");
 190 #else
 191     printf("B1 not defined\n");
 192 #endif
 193 #else
 194     printf("A not defined\n");
 195 #ifdef B
 196     printf("B2 defined\n");
 197 #else
 198     printf("B2 not defined\n");
 199 #endif
 200 #endif
 201
 202 #if 1+1
 203     printf("test true1\n");
 204 #endif
 205 #if 0
 206     printf("test true2\n");
 207 #endif
 208 #if 1-1
 209     printf("test true3\n");
 210 #endif
 211 #if defined(A)
 212     printf("test trueA\n");
 213 #endif
 214 #if defined(B)
 215     printf("test trueB\n");
 216 #endif
 217
 218 #if 0
 219     printf("test 0\n");
 220 #elif 0
 221     printf("test 1\n");
 222 #elif 2
 223     printf("test 2\n");
 224 #else
 225     printf("test 3\n");
 226 #endif
 227
 228     MACRO_NOARGS();
 229
 230 #ifdef __LINE__
 231     printf("__LINE__ defined\n");
 232 #endif
 233
 234     printf("__LINE__=%d __FILE__=%s\n",
 235            __LINE__, __FILE__);
 236 #line 200
 237     printf("__LINE__=%d __FILE__=%s\n",
 238            __LINE__, __FILE__);
 239 #line 203 "test"
 240     printf("__LINE__=%d __FILE__=%s\n",
 241            __LINE__, __FILE__);
 242 #line 227 "tcctest.c"
 243
 244     /* not strictly preprocessor, but we test it there */
 245 #ifdef C99_MACROS
 246     printf("__func__ = %s\n", __func__);
 247     dprintf(1, "vaarg=%d\n", 1);
 248 #endif
 249     dprintf1(1, "vaarg1\n");
 250     dprintf1(1, "vaarg1=%d\n", 2);
 251     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 252
 253     /* gcc extension */
 254     printf("func='%s'\n", __FUNCTION__);
 255
 256     /* complicated macros in glibc */
 257     printf("INT64_MIN=%Ld\n", INT64_MIN);
 258     {
 259         int a;
 260         a = 1;
 261         glue(a+, +);
 262         printf("a=%d\n", a);
 263         glue(a <, <= 2);
 264         printf("a=%d\n", a);
 265     }
 266
 267     /* macro function with argument outside the macro string */
 268 #define MF_s MF_hello
 269 #define MF_hello(msg) printf("%s\n",msg)
 270
 271 #define MF_t printf("tralala\n"); MF_hello
 272
 273     MF_s("hi");
 274     MF_t("hi");
 275
 276     /* test macro substituion inside args (should not eat stream) */
 277     printf("qq=%d\n", qq(qq)(2));
 278
 279     /* test zero argument case. NOTE: gcc 2.95.x does not accept a
 280        null argument without a space. gcc 3.2 fixes that. */
 281
 282 #define qq1(x) 1
 283     printf("qq1=%d\n", qq1( ));
 284
 285     /* comment with stray handling *\
 286 /
 287        /* this is a valid *\/ comment */
 288        /* this is a valid comment *\*/
 289     //  this is a valid\
 290 comment
 291
 292     /* test function macro substitution when the function name is
 293        substituted */
 294     TEST2();
 295
 296     /* And again when the name and parenthes are separated by a
 297        comment.  */
 298     TEST2 /* the comment */ ();
 299 }
 300
 301
 302 static void print_num(char *fn, int line, int num) {
 303     printf("fn %s, line %d, num %d\n", fn, line, num);
 304 }
 305
 306 void recursive_macro_test(void)
 307 {
 308
 309 #define ELF32_ST_TYPE(val)              ((val) & 0xf)
 310 #define ELF32_ST_INFO(bind, type)       (((bind) << 4) + ((type) & 0xf))
 311 #define STB_WEAK        2               /* Weak symbol */
 312 #define ELFW(type) ELF##32##_##type
 313     printf("%d\n", ELFW(ST_INFO)(STB_WEAK, ELFW(ST_TYPE)(123)));
 314
 315 #define WRAP(x) x
 316
 317 #define print_num(x) print_num(__FILE__,__LINE__,x)
 318     print_num(123);
 319     WRAP(print_num(123));
 320     WRAP(WRAP(print_num(123)));
 321
 322 static struct recursive_macro { int rm_field; } G;
 323 #define rm_field (G.rm_field)
 324     printf("rm_field = %d\n", rm_field);
 325     printf("rm_field = %d\n", WRAP(rm_field));
 326     WRAP((printf("rm_field = %d %d\n", rm_field, WRAP(rm_field))));
 327 }
 328
 329 int op(a,b)
 330 {
 331     return a / b;
 332 }
 333
 334 int ret(a)
 335 {
 336     if (a == 2)
 337         return 1;
 338     if (a == 3)
 339         return 2;
 340     return 0;
 341 }
 342
 343 void ps(const char *s)
 344 {
 345     int c;
 346     while (1) {
 347         c = *s;
 348         if (c == 0)
 349             break;
 350         printf("%c", c);
 351         s++;
 352     }
 353 }
 354
 355 const char foo1_string[] = "\
 356 bar\n\
 357 test\14\
 358 1";
 359
 360 void string_test()
 361 {
 362     unsigned int b;
 363     printf("string:\n");
 364     printf("\141\1423\143\n");/* dezdez test */
 365     printf("\x41\x42\x43\x3a\n");
 366     printf("c=%c\n", 'r');
 367     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 368     printf("foo1_string='%s'\n", foo1_string);
 369 #if 0
 370     printf("wstring=%S\n", L"abc");
 371     printf("wstring=%S\n", L"abc" L"def" "ghi");
 372     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 373     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 374 #endif
 375     ps("test\n");
 376     b = 32;
 377     while ((b = b + 1) < 96) {
 378         printf("%c", b);
 379     }
 380     printf("\n");
 381     printf("fib=%d\n", fib(33));
 382     b = 262144;
 383     while (b != 0x80000000) {
 384         num(b);
 385         b = b * 2;
 386     }
 387 }
 388
 389 void loop_test()
 390 {
 391     int i;
 392     i = 0;
 393     while (i < 10)
 394         printf("%d", i++);
 395     printf("\n");
 396     for(i = 0; i < 10;i++)
 397         printf("%d", i);
 398     printf("\n");
 399     i = 0;
 400     do {
 401         printf("%d", i++);
 402     } while (i < 10);
 403     printf("\n");
 404
 405     char count = 123;
 406     /* c99 for loop init test */
 407     for (size_t count = 1; count < 3; count++)
 408         printf("count=%d\n", count);
 409     printf("count = %d\n", count);
 410
 411     /* break/continue tests */
 412     i = 0;
 413     while (1) {
 414         if (i == 6)
 415             break;
 416         i++;
 417         if (i == 3)
 418             continue;
 419         printf("%d", i);
 420     }
 421     printf("\n");
 422
 423     /* break/continue tests */
 424     i = 0;
 425     do {
 426         if (i == 6)
 427             break;
 428         i++;
 429         if (i == 3)
 430             continue;
 431         printf("%d", i);
 432     } while(1);
 433     printf("\n");
 434
 435     for(i = 0;i < 10;i++) {
 436         if (i == 3)
 437             continue;
 438         printf("%d", i);
 439     }
 440     printf("\n");
 441 }
 442
 443 typedef int typedef_and_label;
 444
 445 void goto_test()
 446 {
 447     int i;
 448     static void *label_table[3] = { &&label1, &&label2, &&label3 };
 449
 450     printf("goto:\n");
 451     i = 0;
 452     /* This needs to parse as label, not as start of decl.  */
 453  typedef_and_label:
 454  s_loop:
 455     if (i >= 10)
 456         goto s_end;
 457     printf("%d", i);
 458     i++;
 459     goto s_loop;
 460  s_end:
 461     printf("\n");
 462
 463     /* we also test computed gotos (GCC extension) */
 464     for(i=0;i<3;i++) {
 465         goto *label_table[i];
 466     label1:
 467         printf("label1\n");
 468         goto next;
 469     label2:
 470         printf("label2\n");
 471         goto next;
 472     label3:
 473         printf("label3\n");
 474     next: ;
 475     }
 476 }
 477
 478 enum {
 479     E0,
 480     E1 = 2,
 481     E2 = 4,
 482     E3,
 483     E4,
 484 };
 485
 486 enum test {
 487     E5 = 1000,
 488 };
 489
 490 void enum_test()
 491 {
 492     enum test b1;
 493     printf("enum:\n%d %d %d %d %d %d\n",
 494            E0, E1, E2, E3, E4, E5);
 495     b1 = 1;
 496     printf("b1=%d\n", b1);
 497 }
 498
 499 typedef int *my_ptr;
 500
 501 typedef int mytype1;
 502 typedef int mytype2;
 503
 504 void typedef_test()
 505 {
 506     my_ptr a;
 507     mytype1 mytype2;
 508     int b;
 509
 510     a = &b;
 511     *a = 1234;
 512     printf("typedef:\n");
 513     printf("a=%d\n", *a);
 514     mytype2 = 2;
 515     printf("mytype2=%d\n", mytype2);
 516 }
 517
 518 void forward_test()
 519 {
 520     printf("forward:\n");
 521     forward_ref();
 522     forward_ref();
 523 }
 524
 525
 526 void forward_ref(void)
 527 {
 528     printf("forward ok\n");
 529 }
 530
 531 typedef struct struct1 {
 532     int f1;
 533     int f2, f3;
 534     union union1 {
 535         int v1;
 536         int v2;
 537     } u;
 538     char str[3];
 539 } struct1;
 540
 541 struct struct2 {
 542     int a;
 543     char b;
 544 };
 545
 546 union union2 {
 547     int w1;
 548     int w2;
 549 };
 550
 551 struct struct1 st1, st2;
 552
 553 int main(int argc, char **argv)
 554 {
 555     string_test();
 556     expr_test();
 557     macro_test();
 558     recursive_macro_test();
 559     scope_test();
 560     forward_test();
 561     funcptr_test();
 562     loop_test();
 563     switch_test();
 564     goto_test();
 565     enum_test();
 566     typedef_test();
 567     struct_test();
 568     array_test();
 569     expr_ptr_test();
 570     bool_test();
 571     expr2_test();
 572     constant_expr_test();
 573     expr_cmp_test();
 574     char_short_test();
 575     init_test();
 576     compound_literal_test();
 577     kr_test();
 578     struct_assign_test();
 579     cast_test();
 580     bitfield_test();
 581     c99_bool_test();
 582     float_test();
 583     longlong_test();
 584     manyarg_test();
 585     stdarg_test();
 586     whitespace_test();
 587     relocation_test();
 588     old_style_function();
 589     alloca_test();
 590     c99_vla_test(5, 2);
 591     sizeof_test();
 592     typeof_test();
 593     statement_expr_test();
 594     local_label_test();
 595     asm_test();
 596     builtin_test();
 597 #ifndef _WIN32
 598     weak_test();
 599 #endif
 600     global_data_test();
 601     cmp_comparison_test();
 602     math_cmp_test();
 603     callsave_test();
 604     builtin_frame_address_test();
 605     return 0;
 606 }
 607
 608 int tab[3];
 609 int tab2[3][2];
 610
 611 int g;
 612
 613 void f1(g)
 614 {
 615     printf("g1=%d\n", g);
 616 }
 617
 618 void scope_test()
 619 {
 620     printf("scope:\n");
 621     g = 2;
 622     f1(1);
 623     printf("g2=%d\n", g);
 624     {
 625         int g;
 626         g = 3;
 627         printf("g3=%d\n", g);
 628         {
 629             int g;
 630             g = 4;
 631             printf("g4=%d\n", g);
 632         }
 633     }
 634     printf("g5=%d\n", g);
 635 }
 636
 637 void array_test()
 638 {
 639     int i, j, a[4];
 640
 641     printf("array:\n");
 642     printf("sizeof(a) = %d\n", sizeof(a));
 643     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 644 #ifdef C99_MACROS
 645     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 646 #endif
 647     printf("sizeof tab %d\n", sizeof(tab));
 648     printf("sizeof tab2 %d\n", sizeof tab2);
 649     tab[0] = 1;
 650     tab[1] = 2;
 651     tab[2] = 3;
 652     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 653     for(i=0;i<3;i++)
 654         for(j=0;j<2;j++)
 655             tab2[i][j] = 10 * i + j;
 656     for(i=0;i<3*2;i++) {
 657         printf(" %3d", ((int *)tab2)[i]);
 658     }
 659     printf("\n");
 660     printf("sizeof(size_t)=%d\n", sizeof(size_t));
 661     printf("sizeof(ptrdiff_t)=%d\n", sizeof(ptrdiff_t));
 662 }
 663
 664 void expr_test()
 665 {
 666     int a, b;
 667     a = 0;
 668     printf("%d\n", a += 1);
 669     printf("%d\n", a -= 2);
 670     printf("%d\n", a *= 31232132);
 671     printf("%d\n", a /= 4);
 672     printf("%d\n", a %= 20);
 673     printf("%d\n", a &= 6);
 674     printf("%d\n", a ^= 7);
 675     printf("%d\n", a |= 8);
 676     printf("%d\n", a >>= 3);
 677     printf("%d\n", a <<= 4);
 678
 679     a = 22321;
 680     b = -22321;
 681     printf("%d\n", a + 1);
 682     printf("%d\n", a - 2);
 683     printf("%d\n", a * 312);
 684     printf("%d\n", a / 4);
 685     printf("%d\n", b / 4);
 686     printf("%d\n", (unsigned)b / 4);
 687     printf("%d\n", a % 20);
 688     printf("%d\n", b % 20);
 689     printf("%d\n", (unsigned)b % 20);
 690     printf("%d\n", a & 6);
 691     printf("%d\n", a ^ 7);
 692     printf("%d\n", a | 8);
 693     printf("%d\n", a >> 3);
 694     printf("%d\n", b >> 3);
 695     printf("%d\n", (unsigned)b >> 3);
 696     printf("%d\n", a << 4);
 697     printf("%d\n", ~a);
 698     printf("%d\n", -a);
 699     printf("%d\n", +a);
 700
 701     printf("%d\n", 12 + 1);
 702     printf("%d\n", 12 - 2);
 703     printf("%d\n", 12 * 312);
 704     printf("%d\n", 12 / 4);
 705     printf("%d\n", 12 % 20);
 706     printf("%d\n", 12 & 6);
 707     printf("%d\n", 12 ^ 7);
 708     printf("%d\n", 12 | 8);
 709     printf("%d\n", 12 >> 2);
 710     printf("%d\n", 12 << 4);
 711     printf("%d\n", ~12);
 712     printf("%d\n", -12);
 713     printf("%d\n", +12);
 714     printf("%d %d %d %d\n",
 715            isid('a'),
 716            isid('g'),
 717            isid('T'),
 718            isid('('));
 719 }
 720
 721 int isid(int c)
 722 {
 723     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 724 }
 725
 726 /**********************/
 727
 728 int vstack[10], *vstack_ptr;
 729
 730 void vpush(int vt, int vc)
 731 {
 732     *vstack_ptr++ = vt;
 733     *vstack_ptr++ = vc;
 734 }
 735
 736 void vpop(int *ft, int *fc)
 737 {
 738     *fc = *--vstack_ptr;
 739     *ft = *--vstack_ptr;
 740 }
 741
 742 void expr2_test()
 743 {
 744     int a, b;
 745
 746     printf("expr2:\n");
 747     vstack_ptr = vstack;
 748     vpush(1432432, 2);
 749     vstack_ptr[-2] &= ~0xffffff80;
 750     vpop(&a, &b);
 751     printf("res= %d %d\n", a, b);
 752 }
 753
 754 void constant_expr_test()
 755 {
 756     int a;
 757     printf("constant_expr:\n");
 758     a = 3;
 759     printf("%d\n", a * 16);
 760     printf("%d\n", a * 1);
 761     printf("%d\n", a + 0);
 762 }
 763
 764 int tab4[10];
 765
 766 void expr_ptr_test()
 767 {
 768     int *p, *q;
 769     int i = -1;
 770
 771     printf("expr_ptr:\n");
 772     p = tab4;
 773     q = tab4 + 10;
 774     printf("diff=%d\n", q - p);
 775     p++;
 776     printf("inc=%d\n", p - tab4);
 777     p--;
 778     printf("dec=%d\n", p - tab4);
 779     ++p;
 780     printf("inc=%d\n", p - tab4);
 781     --p;
 782     printf("dec=%d\n", p - tab4);
 783     printf("add=%d\n", p + 3 - tab4);
 784     printf("add=%d\n", 3 + p - tab4);
 785
 786     /* check if 64bit support is ok */
 787     q = p = 0;
 788     q += i;
 789     printf("%p %p %ld\n", q, p, p-q);
 790     printf("%d %d %d %d %d %d\n",
 791            p == q, p != q, p < q, p <= q, p >= q, p > q);
 792     i = 0xf0000000;
 793     p += i;
 794     printf("%p %p %ld\n", q, p, p-q);
 795     printf("%d %d %d %d %d %d\n",
 796            p == q, p != q, p < q, p <= q, p >= q, p > q);
 797     p = (int *)((char *)p + 0xf0000000);
 798     printf("%p %p %ld\n", q, p, p-q);
 799     printf("%d %d %d %d %d %d\n",
 800            p == q, p != q, p < q, p <= q, p >= q, p > q);
 801     p += 0xf0000000;
 802     printf("%p %p %ld\n", q, p, p-q);
 803     printf("%d %d %d %d %d %d\n",
 804            p == q, p != q, p < q, p <= q, p >= q, p > q);
 805     {
 806         struct size12 {
 807             int i, j, k;
 808         };
 809         struct size12 s[2], *sp = s;
 810         int i, j;
 811         sp->i = 42;
 812         sp++;
 813         j = -1;
 814         printf("%d\n", sp[j].i);
 815     }
 816 }
 817
 818 void expr_cmp_test()
 819 {
 820     int a, b;
 821     printf("constant_expr:\n");
 822     a = -1;
 823     b = 1;
 824     printf("%d\n", a == a);
 825     printf("%d\n", a != a);
 826
 827     printf("%d\n", a < b);
 828     printf("%d\n", a <= b);
 829     printf("%d\n", a <= a);
 830     printf("%d\n", b >= a);
 831     printf("%d\n", a >= a);
 832     printf("%d\n", b > a);
 833
 834     printf("%d\n", (unsigned)a < b);
 835     printf("%d\n", (unsigned)a <= b);
 836     printf("%d\n", (unsigned)a <= a);
 837     printf("%d\n", (unsigned)b >= a);
 838     printf("%d\n", (unsigned)a >= a);
 839     printf("%d\n", (unsigned)b > a);
 840 }
 841
 842 struct empty {
 843 };
 844
 845 struct aligntest1 {
 846     char a[10];
 847 };
 848
 849 struct aligntest2 {
 850     int a;
 851     char b[10];
 852 };
 853
 854 struct aligntest3 {
 855     double a, b;
 856 };
 857
 858 struct aligntest4 {
 859     double a[0];
 860 };
 861
 862 void struct_test()
 863 {
 864     struct1 *s;
 865     union union2 u;
 866
 867     printf("struct:\n");
 868     printf("sizes: %d %d %d %d\n",
 869            sizeof(struct struct1),
 870            sizeof(struct struct2),
 871            sizeof(union union1),
 872            sizeof(union union2));
 873     st1.f1 = 1;
 874     st1.f2 = 2;
 875     st1.f3 = 3;
 876     printf("st1: %d %d %d\n",
 877            st1.f1, st1.f2, st1.f3);
 878     st1.u.v1 = 1;
 879     st1.u.v2 = 2;
 880     printf("union1: %d\n", st1.u.v1);
 881     u.w1 = 1;
 882     u.w2 = 2;
 883     printf("union2: %d\n", u.w1);
 884     s = &st2;
 885     s->f1 = 3;
 886     s->f2 = 2;
 887     s->f3 = 1;
 888     printf("st2: %d %d %d\n",
 889            s->f1, s->f2, s->f3);
 890     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 891
 892     /* align / size tests */
 893     printf("aligntest1 sizeof=%d alignof=%d\n",
 894            sizeof(struct aligntest1), __alignof__(struct aligntest1));
 895     printf("aligntest2 sizeof=%d alignof=%d\n",
 896            sizeof(struct aligntest2), __alignof__(struct aligntest2));
 897     printf("aligntest3 sizeof=%d alignof=%d\n",
 898            sizeof(struct aligntest3), __alignof__(struct aligntest3));
 899     printf("aligntest4 sizeof=%d alignof=%d\n",
 900            sizeof(struct aligntest4), __alignof__(struct aligntest4));
 901
 902     /* empty structures (GCC extension) */
 903     printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
 904     printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
 905 }
 906
 907 /* XXX: depend on endianness */
 908 void char_short_test()
 909 {
 910     int var1, var2;
 911
 912     printf("char_short:\n");
 913
 914     var1 = 0x01020304;
 915     var2 = 0xfffefdfc;
 916     printf("s8=%d %d\n",
 917            *(char *)&var1, *(char *)&var2);
 918     printf("u8=%d %d\n",
 919            *(unsigned char *)&var1, *(unsigned char *)&var2);
 920     printf("s16=%d %d\n",
 921            *(short *)&var1, *(short *)&var2);
 922     printf("u16=%d %d\n",
 923            *(unsigned short *)&var1, *(unsigned short *)&var2);
 924     printf("s32=%d %d\n",
 925            *(int *)&var1, *(int *)&var2);
 926     printf("u32=%d %d\n",
 927            *(unsigned int *)&var1, *(unsigned int *)&var2);
 928     *(char *)&var1 = 0x08;
 929     printf("var1=%x\n", var1);
 930     *(short *)&var1 = 0x0809;
 931     printf("var1=%x\n", var1);
 932     *(int *)&var1 = 0x08090a0b;
 933     printf("var1=%x\n", var1);
 934 }
 935
 936 /******************/
 937
 938 typedef struct Sym {
 939     int v;
 940     int t;
 941     int c;
 942     struct Sym *next;
 943     struct Sym *prev;
 944 } Sym;
 945
 946 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 947 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
 948
 949 static int toupper1(int a)
 950 {
 951     return TOUPPER(a);
 952 }
 953
 954 void bool_test()
 955 {
 956     int *s, a, b, t, f, i;
 957
 958     a = 0;
 959     s = (void*)0;
 960     printf("!s=%d\n", !s);
 961
 962     if (!s || !s[0])
 963         a = 1;
 964     printf("a=%d\n", a);
 965
 966     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
 967     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
 968     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
 969 #if 1 && 1
 970     printf("a1\n");
 971 #endif
 972 #if 1 || 0
 973     printf("a2\n");
 974 #endif
 975 #if 1 ? 0 : 1
 976     printf("a3\n");
 977 #endif
 978 #if 0 ? 0 : 1
 979     printf("a4\n");
 980 #endif
 981
 982     a = 4;
 983     printf("b=%d\n", a + (0 ? 1 : a / 2));
 984
 985     /* test register spilling */
 986     a = 10;
 987     b = 10;
 988     a = (a + b) * ((a < b) ?
 989                    ((b - a) * (a - b)): a + b);
 990     printf("a=%d\n", a);
 991
 992     /* test complex || or && expressions */
 993     t = 1;
 994     f = 0;
 995     a = 32;
 996     printf("exp=%d\n", f == (32 <= a && a <= 3));
 997     printf("r=%d\n", (t || f) + (t && f));
 998
 999     /* test ? : cast */
1000     {
1001         int aspect_on;
1002         int aspect_native = 65536;
1003         double bfu_aspect = 1.0;
1004         int aspect;
1005         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
1006             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
1007             printf("aspect=%d\n", aspect);
1008         }
1009     }
1010
1011     /* test ? : GCC extension */
1012     {
1013         static int v1 = 34 ? : -1; /* constant case */
1014         static int v2 = 0 ? : -1; /* constant case */
1015         int a = 30;
1016
1017         printf("%d %d\n", v1, v2);
1018         printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
1019     }
1020
1021     /* again complex expression */
1022     for(i=0;i<256;i++) {
1023         if (toupper1 (i) != TOUPPER (i))
1024             printf("error %d\n", i);
1025     }
1026 }
1027
1028 /* GCC accepts that */
1029 static int tab_reinit[];
1030 static int tab_reinit[10];
1031
1032 //int cinit1; /* a global variable can be defined several times without error ! */
1033 int cinit1;
1034 int cinit1;
1035 int cinit1 = 0;
1036 int *cinit2 = (int []){3, 2, 1};
1037
1038 void compound_literal_test(void)
1039 {
1040     int *p, i;
1041     char *q, *q3;
1042
1043     printf("compound_test:\n");
1044
1045     p = (int []){1, 2, 3};
1046     for(i=0;i<3;i++)
1047         printf(" %d", p[i]);
1048     printf("\n");
1049
1050     for(i=0;i<3;i++)
1051         printf("%d", cinit2[i]);
1052     printf("\n");
1053
1054     q = "tralala1";
1055     printf("q1=%s\n", q);
1056
1057     q = (char *){ "tralala2" };
1058     printf("q2=%s\n", q);
1059
1060     q3 = (char *){ q };
1061     printf("q3=%s\n", q3);
1062
1063     q = (char []){ "tralala3" };
1064     printf("q4=%s\n", q);
1065
1066 #ifdef ALL_ISOC99
1067     p = (int []){1, 2, cinit1 + 3};
1068     for(i=0;i<3;i++)
1069         printf(" %d", p[i]);
1070     printf("\n");
1071
1072     for(i=0;i<3;i++) {
1073         p = (int []){1, 2, 4 + i};
1074         printf("%d %d %d\n",
1075                p[0],
1076                p[1],
1077                p[2]);
1078     }
1079 #endif
1080 }
1081
1082 /* K & R protos */
1083
1084 kr_func1(a, b)
1085 {
1086     return a + b;
1087 }
1088
1089 int kr_func2(a, b)
1090 {
1091     return a + b;
1092 }
1093
1094 kr_test()
1095 {
1096     printf("kr_test:\n");
1097     printf("func1=%d\n", kr_func1(3, 4));
1098     printf("func2=%d\n", kr_func2(3, 4));
1099     return 0;
1100 }
1101
1102 void num(int n)
1103 {
1104     char *tab, *p;
1105     tab = (char*)malloc(20);
1106     p = tab;
1107     while (1) {
1108         *p = 48 + (n % 10);
1109         p++;
1110         n = n / 10;
1111         if (n == 0)
1112             break;
1113     }
1114     while (p != tab) {
1115         p--;
1116         printf("%c", *p);
1117     }
1118     printf("\n");
1119     free(tab);
1120 }
1121
1122 /* structure assignment tests */
1123 struct structa1 {
1124     int f1;
1125     char f2;
1126 };
1127
1128 struct structa1 ssta1;
1129
1130 void struct_assign_test1(struct structa1 s1, int t, float f)
1131 {
1132     printf("%d %d %d %f\n", s1.f1, s1.f2, t, f);
1133 }
1134
1135 struct structa1 struct_assign_test2(struct structa1 s1, int t)
1136 {
1137     s1.f1 += t;
1138     s1.f2 -= t;
1139     return s1;
1140 }
1141
1142 void struct_assign_test(void)
1143 {
1144     struct S {
1145       struct structa1 lsta1, lsta2;
1146       int i;
1147     } s, *ps;
1148
1149     ps = &s;
1150     ps->i = 4;
1151 #if 0
1152     printf("struct_assign_test:\n");
1153
1154     s.lsta1.f1 = 1;
1155     s.lsta1.f2 = 2;
1156     printf("%d %d\n", s.lsta1.f1, s.lsta1.f2);
1157     s.lsta2 = s.lsta1;
1158     printf("%d %d\n", s.lsta2.f1, s.lsta2.f2);
1159 #else
1160     s.lsta2.f1 = 1;
1161     s.lsta2.f2 = 2;
1162 #endif
1163     struct_assign_test1(ps->lsta2, 3, 4.5);
1164
1165     printf("before call: %d %d\n", s.lsta2.f1, s.lsta2.f2);
1166     ps->lsta2 = struct_assign_test2(ps->lsta2, ps->i);
1167     printf("after call: %d %d\n", ps->lsta2.f1, ps->lsta2.f2);
1168
1169     static struct {
1170         void (*elem)();
1171     } t[] = {
1172         /* XXX: we should allow this even without braces */
1173         { struct_assign_test }
1174     };
1175     printf("%d\n", struct_assign_test == t[0].elem);
1176 }
1177
1178 /* casts to short/char */
1179
1180 void cast1(char a, short b, unsigned char c, unsigned short d)
1181 {
1182     printf("%d %d %d %d\n", a, b, c, d);
1183 }
1184
1185 char bcast;
1186 short scast;
1187
1188 void cast_test()
1189 {
1190     int a;
1191     char c;
1192     char tab[10];
1193     unsigned b,d;
1194     short s;
1195     char *p = NULL;
1196     p -= 0x700000000042;
1197
1198     printf("cast_test:\n");
1199     a = 0xfffff;
1200     cast1(a, a, a, a);
1201     a = 0xffffe;
1202     printf("%d %d %d %d\n",
1203            (char)(a + 1),
1204            (short)(a + 1),
1205            (unsigned char)(a + 1),
1206            (unsigned short)(a + 1));
1207     printf("%d %d %d %d\n",
1208            (char)0xfffff,
1209            (short)0xfffff,
1210            (unsigned char)0xfffff,
1211            (unsigned short)0xfffff);
1212
1213     a = (bcast = 128) + 1;
1214     printf("%d\n", a);
1215     a = (scast = 65536) + 1;
1216     printf("%d\n", a);
1217
1218     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
1219
1220     /* test cast from unsigned to signed short to int */
1221     b = 0xf000;
1222     d = (short)b;
1223     printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
1224     b = 0xf0f0;
1225     d = (char)b;
1226     printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
1227
1228     /* test implicit int casting for array accesses */
1229     c = 0;
1230     tab[1] = 2;
1231     tab[c] = 1;
1232     printf("%d %d\n", tab[0], tab[1]);
1233
1234     /* test implicit casting on some operators */
1235     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
1236     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
1237     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
1238
1239     /* from pointer to integer types */
1240     printf("%d %d %ld %ld %lld %lld\n",
1241            (int)p, (unsigned int)p,
1242            (long)p, (unsigned long)p,
1243            (long long)p, (unsigned long long)p);
1244
1245     /* from integers to pointers */
1246     printf("%p %p %p %p\n",
1247            (void *)a, (void *)b, (void *)c, (void *)d);
1248 }
1249
1250 /* initializers tests */
1251 struct structinit1 {
1252     int f1;
1253     char f2;
1254     short f3;
1255     int farray[3];
1256 };
1257
1258 int sinit1 = 2;
1259 int sinit2 = { 3 };
1260 int sinit3[3] = { 1, 2, {{3}}, };
1261 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1262 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1263 int sinit6[] = { 1, 2, 3 };
1264 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1265 char sinit8[] = "hello" "trala";
1266
1267 struct structinit1 sinit9 = { 1, 2, 3 };
1268 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1269 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1270 #ifdef ALL_ISOC99
1271                                .farray[0] = 10,
1272                                .farray[1] = 11,
1273                                .farray[2] = 12,
1274 #endif
1275 };
1276
1277 char *sinit12 = "hello world";
1278 char *sinit13[] = {
1279     "test1",
1280     "test2",
1281     "test3",
1282 };
1283 char sinit14[10] = { "abc" };
1284 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1285
1286 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1287
1288 struct bar {
1289         char *s;
1290         int len;
1291 } sinit17[] = {
1292         "a1", 4,
1293         "a2", 1
1294 };
1295
1296 int sinit18[10] = {
1297     [2 ... 5] = 20,
1298     2,
1299     [8] = 10,
1300 };
1301
1302 struct complexinit0 {
1303     int a;
1304     int b;
1305 };
1306
1307 struct complexinit {
1308     int a;
1309     const struct complexinit0 *b;
1310 };
1311
1312 const static struct complexinit cix[] = {
1313     [0] = {
1314         .a = 2000,
1315         .b = (const struct complexinit0[]) {
1316                 { 2001, 2002 },
1317                 { 2003, 2003 },
1318                 {}
1319         }
1320     }
1321 };
1322
1323 struct complexinit2 {
1324         int a;
1325         int b[];
1326 };
1327
1328 struct complexinit2 cix20;
1329
1330 struct complexinit2 cix21 = {
1331         .a = 3000,
1332         .b = { 3001, 3002, 3003 }
1333 };
1334
1335 struct complexinit2 cix22 = {
1336         .a = 4000,
1337         .b = { 4001, 4002, 4003, 4004, 4005, 4006 }
1338 };
1339
1340 void init_test(void)
1341 {
1342     int linit1 = 2;
1343     int linit2 = { 3 };
1344     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1345     int linit6[] = { 1, 2, 3 };
1346     int i, j;
1347     char linit8[] = "hello" "trala";
1348     int linit12[10] = { 1, 2 };
1349     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1350     char linit14[10] = "abc";
1351     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1352     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1353     int linit17 = sizeof(linit17);
1354
1355     printf("init_test:\n");
1356
1357     printf("sinit1=%d\n", sinit1);
1358     printf("sinit2=%d\n", sinit2);
1359     printf("sinit3=%d %d %d %d\n",
1360            sizeof(sinit3),
1361            sinit3[0],
1362            sinit3[1],
1363            sinit3[2]
1364            );
1365     printf("sinit6=%d\n", sizeof(sinit6));
1366     printf("sinit7=%d %d %d %d\n",
1367            sizeof(sinit7),
1368            sinit7[0],
1369            sinit7[1],
1370            sinit7[2]
1371            );
1372     printf("sinit8=%s\n", sinit8);
1373     printf("sinit9=%d %d %d\n",
1374            sinit9.f1,
1375            sinit9.f2,
1376            sinit9.f3
1377            );
1378     printf("sinit10=%d %d %d\n",
1379            sinit10.f1,
1380            sinit10.f2,
1381            sinit10.f3
1382            );
1383     printf("sinit11=%d %d %d %d %d %d\n",
1384            sinit11.f1,
1385            sinit11.f2,
1386            sinit11.f3,
1387            sinit11.farray[0],
1388            sinit11.farray[1],
1389            sinit11.farray[2]
1390            );
1391
1392     for(i=0;i<3;i++)
1393         for(j=0;j<2;j++)
1394             printf("[%d][%d] = %d %d %d\n",
1395                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1396     printf("linit1=%d\n", linit1);
1397     printf("linit2=%d\n", linit2);
1398     printf("linit6=%d\n", sizeof(linit6));
1399     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1400
1401     printf("sinit12=%s\n", sinit12);
1402     printf("sinit13=%d %s %s %s\n",
1403            sizeof(sinit13),
1404            sinit13[0],
1405            sinit13[1],
1406            sinit13[2]);
1407     printf("sinit14=%s\n", sinit14);
1408
1409     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1410     printf("\n");
1411     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1412     printf("\n");
1413     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1414     printf("\n");
1415     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1416     printf("\n");
1417     printf("%d %d %d %d\n",
1418            linit16.a1,
1419            linit16.a2,
1420            linit16.a3,
1421            linit16.a4);
1422     /* test that initialisation is done after variable declare */
1423     printf("linit17=%d\n", linit17);
1424     printf("sinit15=%d\n", sinit15[0]);
1425     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1426     printf("sinit17=%s %d %s %d\n",
1427            sinit17[0].s, sinit17[0].len,
1428            sinit17[1].s, sinit17[1].len);
1429     for(i=0;i<10;i++)
1430         printf("%x ", sinit18[i]);
1431     printf("\n");
1432     /* complex init check */
1433     printf("cix: %d %d %d %d %d %d %d\n",
1434         cix[0].a,
1435         cix[0].b[0].a, cix[0].b[0].b,
1436         cix[0].b[1].a, cix[0].b[1].b,
1437         cix[0].b[2].a, cix[0].b[2].b);
1438     printf("cix2: %d %d\n", cix21.b[2], cix22.b[5]);
1439     printf("sizeof cix20 %d, cix21 %d, sizeof cix22 %d\n", sizeof cix20, sizeof cix21, sizeof cix22);
1440 }
1441
1442
1443 void switch_test()
1444 {
1445     int i;
1446
1447     for(i=0;i<15;i++) {
1448         switch(i) {
1449         case 0:
1450         case 1:
1451             printf("a");
1452             break;
1453         default:
1454             printf("%d", i);
1455             break;
1456         case 8 ... 12:
1457             printf("c");
1458             break;
1459         case 3:
1460             printf("b");
1461             break;
1462         }
1463     }
1464     printf("\n");
1465 }
1466
1467 /* ISOC99 _Bool type */
1468 void c99_bool_test(void)
1469 {
1470 #ifdef BOOL_ISOC99
1471     int a;
1472     _Bool b;
1473
1474     printf("bool_test:\n");
1475     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1476     a = 3;
1477     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1478     b = 3;
1479     printf("b = %d\n", b);
1480     b++;
1481     printf("b = %d\n", b);
1482 #endif
1483 }
1484
1485 void bitfield_test(void)
1486 {
1487     int a;
1488     short sa;
1489     unsigned char ca;
1490     struct sbf1 {
1491         int f1 : 3;
1492         int : 2;
1493         int f2 : 1;
1494         int : 0;
1495         int f3 : 5;
1496         int f4 : 7;
1497         unsigned int f5 : 7;
1498     } st1;
1499     printf("bitfield_test:");
1500     printf("sizeof(st1) = %d\n", sizeof(st1));
1501
1502     st1.f1 = 3;
1503     st1.f2 = 1;
1504     st1.f3 = 15;
1505     a = 120;
1506     st1.f4 = a;
1507     st1.f5 = a;
1508     st1.f5++;
1509     printf("%d %d %d %d %d\n",
1510            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1511     sa = st1.f5;
1512     ca = st1.f5;
1513     printf("%d %d\n", sa, ca);
1514
1515     st1.f1 = 7;
1516     if (st1.f1 == -1)
1517         printf("st1.f1 == -1\n");
1518     else
1519         printf("st1.f1 != -1\n");
1520     if (st1.f2 == -1)
1521         printf("st1.f2 == -1\n");
1522     else
1523         printf("st1.f2 != -1\n");
1524
1525     /* bit sizes below must be bigger than 32 since GCC doesn't allow
1526        long-long bitfields whose size is not bigger than int */
1527     struct sbf2 {
1528         long long f1 : 45;
1529         long long : 2;
1530         long long f2 : 35;
1531         unsigned long long f3 : 38;
1532     } st2;
1533     st2.f1 = 0x123456789ULL;
1534     a = 120;
1535     st2.f2 = (long long)a << 25;
1536     st2.f3 = a;
1537     st2.f2++;
1538     printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
1539 }
1540
1541 #ifdef __x86_64__
1542 #define FLOAT_FMT "%f\n"
1543 #else
1544 /* x86's float isn't compatible with GCC */
1545 #define FLOAT_FMT "%.5f\n"
1546 #endif
1547
1548 /* declare strto* functions as they are C99 */
1549 double strtod(const char *nptr, char **endptr);
1550 float strtof(const char *nptr, char **endptr);
1551 long double strtold(const char *nptr, char **endptr);
1552
1553 #define FTEST(prefix, type, fmt)\
1554 void prefix ## cmp(type a, type b)\
1555 {\
1556     printf("%d %d %d %d %d %d\n",\
1557            a == b,\
1558            a != b,\
1559            a < b,\
1560            a > b,\
1561            a >= b,\
1562            a <= b);\
1563     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1564            a,\
1565            b,\
1566            a + b,\
1567            a - b,\
1568            a * b,\
1569            a / b,\
1570            -a);\
1571     printf(fmt "\n", ++a);\
1572     printf(fmt "\n", a++);\
1573     printf(fmt "\n", a);\
1574     b = 0;\
1575     printf("%d %d\n", !a, !b);\
1576 }\
1577 void prefix ## fcast(type a)\
1578 {\
1579     float fa;\
1580     double da;\
1581     long double la;\
1582     int ia;\
1583     unsigned int ua;\
1584     type b;\
1585     fa = a;\
1586     da = a;\
1587     la = a;\
1588     printf("ftof: %f %f %Lf\n", fa, da, la);\
1589     ia = (int)a;\
1590     ua = (unsigned int)a;\
1591     printf("ftoi: %d %u\n", ia, ua);\
1592     ia = -1234;\
1593     ua = 0x81234500;\
1594     b = ia;\
1595     printf("itof: " fmt "\n", b);\
1596     b = ua;\
1597     printf("utof: " fmt "\n", b);\
1598 }\
1599 \
1600 float prefix ## retf(type a) { return a; }\
1601 double prefix ## retd(type a) { return a; }\
1602 long double prefix ## retld(type a) { return a; }\
1603 \
1604 void prefix ## call(void)\
1605 {\
1606     printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
1607     printf("double: %f\n", prefix ## retd(42.123456789));\
1608     printf("long double: %Lf\n", prefix ## retld(42.123456789));\
1609     printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
1610 }\
1611 \
1612 void prefix ## test(void)\
1613 {\
1614     printf("testing '%s'\n", #type);\
1615     prefix ## cmp(1, 2.5);\
1616     prefix ## cmp(2, 1.5);\
1617     prefix ## cmp(1, 1);\
1618     prefix ## fcast(234.6);\
1619     prefix ## fcast(-2334.6);\
1620     prefix ## call();\
1621 }
1622
1623 FTEST(f, float, "%f")
1624 FTEST(d, double, "%f")
1625 FTEST(ld, long double, "%Lf")
1626
1627 double ftab1[3] = { 1.2, 3.4, -5.6 };
1628
1629
1630 void float_test(void)
1631 {
1632     float fa, fb;
1633     double da, db;
1634     int a;
1635     unsigned int b;
1636
1637     printf("float_test:\n");
1638     printf("sizeof(float) = %d\n", sizeof(float));
1639     printf("sizeof(double) = %d\n", sizeof(double));
1640     printf("sizeof(long double) = %d\n", sizeof(long double));
1641     ftest();
1642     dtest();
1643     ldtest();
1644     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1645     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1646     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1647     da = 123;
1648     printf("da=%f\n", da);
1649     fa = 123;
1650     printf("fa=%f\n", fa);
1651     a = 4000000000;
1652     da = a;
1653     printf("da = %f\n", da);
1654     b = 4000000000;
1655     db = b;
1656     printf("db = %f\n", db);
1657 }
1658
1659 int fib(int n)
1660 {
1661     if (n <= 2)
1662         return 1;
1663     else
1664         return fib(n-1) + fib(n-2);
1665 }
1666
1667 void funcptr_test()
1668 {
1669     void (*func)(int);
1670     int a;
1671     struct {
1672         int dummy;
1673         void (*func)(int);
1674     } st1;
1675
1676     printf("funcptr:\n");
1677     func = &num;
1678     (*func)(12345);
1679     func = num;
1680     a = 1;
1681     a = 1;
1682     func(12345);
1683     /* more complicated pointer computation */
1684     st1.func = num;
1685     st1.func(12346);
1686     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1687     printf("sizeof2 = %d\n", sizeof funcptr_test);
1688     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1689     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1690 }
1691
1692 void lloptest(long long a, long long b)
1693 {
1694     unsigned long long ua, ub;
1695
1696     ua = a;
1697     ub = b;
1698     /* arith */
1699     printf("arith: %Ld %Ld %Ld\n",
1700            a + b,
1701            a - b,
1702            a * b);
1703
1704     if (b != 0) {
1705         printf("arith1: %Ld %Ld\n",
1706            a / b,
1707            a % b);
1708     }
1709
1710     /* binary */
1711     printf("bin: %Ld %Ld %Ld\n",
1712            a & b,
1713            a | b,
1714            a ^ b);
1715
1716     /* tests */
1717     printf("test: %d %d %d %d %d %d\n",
1718            a == b,
1719            a != b,
1720            a < b,
1721            a > b,
1722            a >= b,
1723            a <= b);
1724
1725     printf("utest: %d %d %d %d %d %d\n",
1726            ua == ub,
1727            ua != ub,
1728            ua < ub,
1729            ua > ub,
1730            ua >= ub,
1731            ua <= ub);
1732
1733     /* arith2 */
1734     a++;
1735     b++;
1736     printf("arith2: %Ld %Ld\n", a, b);
1737     printf("arith2: %Ld %Ld\n", a++, b++);
1738     printf("arith2: %Ld %Ld\n", --a, --b);
1739     printf("arith2: %Ld %Ld\n", a, b);
1740     b = ub = 0;
1741     printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
1742 }
1743
1744 void llshift(long long a, int b)
1745 {
1746     printf("shift: %Ld %Ld %Ld\n",
1747            (unsigned long long)a >> b,
1748            a >> b,
1749            a << b);
1750     printf("shiftc: %Ld %Ld %Ld\n",
1751            (unsigned long long)a >> 3,
1752            a >> 3,
1753            a << 3);
1754     printf("shiftc: %Ld %Ld %Ld\n",
1755            (unsigned long long)a >> 35,
1756            a >> 35,
1757            a << 35);
1758 }
1759
1760 void llfloat(void)
1761 {
1762     float fa;
1763     double da;
1764     long double lda;
1765     long long la, lb, lc;
1766     unsigned long long ula, ulb, ulc;
1767     la = 0x12345678;
1768     ula = 0x72345678;
1769     la = (la << 20) | 0x12345;
1770     ula = ula << 33;
1771     printf("la=%Ld ula=%Lu\n", la, ula);
1772
1773     fa = la;
1774     da = la;
1775     lda = la;
1776     printf("lltof: %f %f %Lf\n", fa, da, lda);
1777
1778     la = fa;
1779     lb = da;
1780     lc = lda;
1781     printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
1782
1783     fa = ula;
1784     da = ula;
1785     lda = ula;
1786     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1787
1788     ula = fa;
1789     ulb = da;
1790     ulc = lda;
1791     printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
1792 }
1793
1794 long long llfunc1(int a)
1795 {
1796     return a * 2;
1797 }
1798
1799 struct S {
1800     int id;
1801     char item;
1802 };
1803
1804 long long int value(struct S *v)
1805 {
1806     return ((long long int)v->item);
1807 }
1808
1809 void longlong_test(void)
1810 {
1811     long long a, b, c;
1812     int ia;
1813     unsigned int ua;
1814     printf("longlong_test:\n");
1815     printf("sizeof(long long) = %d\n", sizeof(long long));
1816     ia = -1;
1817     ua = -2;
1818     a = ia;
1819     b = ua;
1820     printf("%Ld %Ld\n", a, b);
1821     printf("%Ld %Ld %Ld %Lx\n",
1822            (long long)1,
1823            (long long)-2,
1824            1LL,
1825            0x1234567812345679);
1826     a = llfunc1(-3);
1827     printf("%Ld\n", a);
1828
1829     lloptest(1000, 23);
1830     lloptest(0xff, 0x1234);
1831     b = 0x72345678 << 10;
1832     lloptest(-3, b);
1833     llshift(0x123, 5);
1834     llshift(-23, 5);
1835     b = 0x72345678LL << 10;
1836     llshift(b, 47);
1837
1838     llfloat();
1839 #if 1
1840     b = 0x12345678;
1841     a = -1;
1842     c = a + b;
1843     printf("%Lx\n", c);
1844 #endif
1845
1846     /* long long reg spill test */
1847     {
1848           struct S a;
1849
1850           a.item = 3;
1851           printf("%lld\n", value(&a));
1852     }
1853     lloptest(0x80000000, 0);
1854
1855     /* another long long spill test */
1856     {
1857         long long *p, v;
1858         v = 1;
1859         p = &v;
1860         p[0]++;
1861         printf("%lld\n", *p);
1862     }
1863
1864     a = 68719476720LL;
1865     b = 4294967295LL;
1866     printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
1867
1868     printf("%Ld\n", 0x123456789LLU);
1869 }
1870
1871 void manyarg_test(void)
1872 {
1873     long double ld = 1234567891234LL;
1874     printf("manyarg_test:\n");
1875     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
1876            1, 2, 3, 4, 5, 6, 7, 8,
1877            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
1878     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1879            "%Ld %Ld %f %f\n",
1880            1, 2, 3, 4, 5, 6, 7, 8,
1881            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1882            1234567891234LL, 987654321986LL,
1883            42.0, 43.0);
1884     printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1885            "%Ld %Ld %f %f\n",
1886            ld, 1, 2, 3, 4, 5, 6, 7, 8,
1887            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1888            1234567891234LL, 987654321986LL,
1889            42.0, 43.0);
1890     /* XXX: known bug of x86-64 */
1891 #ifndef __x86_64__
1892     printf("%d %d %d %d %d %d %d %d %Lf\n",
1893            1, 2, 3, 4, 5, 6, 7, 8, ld);
1894     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1895            "%Ld %Ld %f %f %Lf\n",
1896            1, 2, 3, 4, 5, 6, 7, 8,
1897            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1898            1234567891234LL, 987654321986LL,
1899            42.0, 43.0, ld);
1900     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1901            "%Lf %Ld %Ld %f %f %Lf\n",
1902            1, 2, 3, 4, 5, 6, 7, 8,
1903            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
1904            ld, 1234567891234LL, 987654321986LL,
1905            42.0, 43.0, ld);
1906 #endif
1907 }
1908
1909 void vprintf1(const char *fmt, ...)
1910 {
1911     va_list ap, aq;
1912     const char *p;
1913     int c, i;
1914     double d;
1915     long long ll;
1916     long double ld;
1917
1918     va_start(aq, fmt);
1919     va_copy(ap, aq);
1920
1921     p = fmt;
1922     for(;;) {
1923         c = *p;
1924         if (c == '\0')
1925             break;
1926         p++;
1927         if (c == '%') {
1928             c = *p;
1929             switch(c) {
1930             case '\0':
1931                 goto the_end;
1932             case 'd':
1933                 i = va_arg(ap, int);
1934                 printf("%d", i);
1935                 break;
1936             case 'f':
1937                 d = va_arg(ap, double);
1938                 printf("%f", d);
1939                 break;
1940             case 'l':
1941                 ll = va_arg(ap, long long);
1942                 printf("%Ld", ll);
1943                 break;
1944             case 'F':
1945                 ld = va_arg(ap, long double);
1946                 printf("%Lf", ld);
1947                 break;
1948             }
1949             p++;
1950         } else {
1951             putchar(c);
1952         }
1953     }
1954  the_end:
1955     va_end(aq);
1956     va_end(ap);
1957 }
1958
1959 struct myspace {
1960     short int profile;
1961 };
1962
1963 void stdarg_for_struct(struct myspace bob, ...)
1964 {
1965     struct myspace george, bill;
1966     va_list ap;
1967     short int validate;
1968
1969     va_start(ap, bob);
1970     bill     = va_arg(ap, struct myspace);
1971     george   = va_arg(ap, struct myspace);
1972     validate = va_arg(ap, int);
1973     printf("stdarg_for_struct: %d %d %d %d\n",
1974            bob.profile, bill.profile, george.profile, validate);
1975     va_end(ap);
1976 }
1977
1978 void stdarg_test(void)
1979 {
1980     long double ld = 1234567891234LL;
1981     struct myspace bob;
1982
1983     vprintf1("%d %d %d\n", 1, 2, 3);
1984     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
1985     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
1986     vprintf1("%F %F %F\n", 1.2L, 2.3L, 3.4L);
1987 #ifdef __x86_64__
1988     /* a bug of x86's TCC */
1989     vprintf1("%d %f %l %F %d %f %l %F\n",
1990              1, 1.2, 3L, 4.5L, 6, 7.8, 9L, 0.1L);
1991 #endif
1992     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
1993              1, 2, 3, 4, 5, 6, 7, 8,
1994              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
1995     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
1996              1, 2, 3, 4, 5, 6, 7, 8,
1997              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
1998     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
1999              "%l %l %f %f\n",
2000              1, 2, 3, 4, 5, 6, 7, 8,
2001              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2002              1234567891234LL, 987654321986LL,
2003              42.0, 43.0);
2004     vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2005              "%l %l %f %f\n",
2006              ld, 1, 2, 3, 4, 5, 6, 7, 8,
2007              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2008              1234567891234LL, 987654321986LL,
2009              42.0, 43.0);
2010     vprintf1("%d %d %d %d %d %d %d %d %F\n",
2011              1, 2, 3, 4, 5, 6, 7, 8, ld);
2012     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2013              "%l %l %f %f %F\n",
2014              1, 2, 3, 4, 5, 6, 7, 8,
2015              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2016              1234567891234LL, 987654321986LL,
2017              42.0, 43.0, ld);
2018     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2019              "%F %l %l %f %f %F\n",
2020              1, 2, 3, 4, 5, 6, 7, 8,
2021              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2022              ld, 1234567891234LL, 987654321986LL,
2023              42.0, 43.0, ld);
2024
2025     bob.profile = 42;
2026     stdarg_for_struct(bob, bob, bob, bob.profile);
2027 }
2028
2029 void whitespace_test(void)
2030 {
2031     char *str;
2032
2033 \f\v
#if 1
2034     pri\
2035 ntf("whitspace:\n");\f\v
2036 #endif
2037     pf("N=%d\n", 2);
2038
2039 #ifdef CORRECT_CR_HANDLING
2040     pri\
2041 ntf("aaa=%d\n", 3);
2042 #endif
2043
2044     pri\
2045 \
2046 ntf("min=%d\n", 4);
2047
2048 #ifdef ACCEPT_CR_IN_STRINGS
2049     printf("len1=%d\n", strlen("
2050 "));
2051 #ifdef CORRECT_CR_HANDLING
2052     str = "
2053 ";
2054     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
2055 #endif
2056     printf("len1=%d\n", strlen("
a
2057 "));
2058 #endif /* ACCEPT_CR_IN_STRINGS */
2059 }
2060
2061 int reltab[3] = { 1, 2, 3 };
2062
2063 int *rel1 = &reltab[1];
2064 int *rel2 = &reltab[2];
2065
2066 void relocation_test(void)
2067 {
2068     printf("*rel1=%d\n", *rel1);
2069     printf("*rel2=%d\n", *rel2);
2070 }
2071
2072 void old_style_f(a,b,c)
2073      int a, b;
2074      double c;
2075 {
2076     printf("a=%d b=%d b=%f\n", a, b, c);
2077 }
2078
2079 void decl_func1(int cmpfn())
2080 {
2081     printf("cmpfn=%lx\n", (long)cmpfn);
2082 }
2083
2084 void decl_func2(cmpfn)
2085 int cmpfn();
2086 {
2087     printf("cmpfn=%lx\n", (long)cmpfn);
2088 }
2089
2090 void old_style_function(void)
2091 {
2092     old_style_f((void *)1, 2, 3.0);
2093     decl_func1(NULL);
2094     decl_func2(NULL);
2095 }
2096
2097 void alloca_test()
2098 {
2099 #if defined __i386__ || defined __x86_64__
2100     char *p = alloca(16);
2101     strcpy(p,"123456789012345");
2102     printf("alloca: p is %s\n", p);
2103     char *demo = "This is only a test.\n";
2104     /* Test alloca embedded in a larger expression */
2105     printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
2106 #endif
2107 }
2108
2109 void *bounds_checking_is_enabled()
2110 {
2111     char ca[10], *cp = ca-1;
2112     return (ca != cp + 1) ? cp : NULL;
2113 }
2114
2115 typedef int constant_negative_array_size_as_compile_time_assertion_idiom[(1 ? 2 : 0) - 1];
2116
2117 void c99_vla_test(int size1, int size2)
2118 {
2119 #if defined __i386__ || defined __x86_64__
2120     int size = size1 * size2;
2121     int tab1[size][2], tab2[10][2];
2122     void *tab1_ptr, *tab2_ptr, *bad_ptr;
2123
2124     /* "size" should have been 'captured' at tab1 declaration,
2125         so modifying it should have no effect on VLA behaviour. */
2126     size = size-1;
2127
2128     printf("Test C99 VLA 1 (sizeof): ");
2129     printf("%s\n", (sizeof tab1 == size1 * size2 * 2 * sizeof(int)) ? "PASSED" : "FAILED");
2130     tab1_ptr = tab1;
2131     tab2_ptr = tab2;
2132     printf("Test C99 VLA 2 (ptrs substract): ");
2133     printf("%s\n", (tab2 - tab1 == (tab2_ptr - tab1_ptr) / (sizeof(int) * 2)) ? "PASSED" : "FAILED");
2134     printf("Test C99 VLA 3 (ptr add): ");
2135     printf("%s\n", &tab1[5][1] == (tab1_ptr + (5 * 2 + 1) * sizeof(int)) ? "PASSED" : "FAILED");
2136     printf("Test C99 VLA 4 (ptr access): ");
2137     tab1[size1][1] = 42;
2138     printf("%s\n", (*((int *) (tab1_ptr + (size1 * 2 + 1) * sizeof(int))) == 42) ? "PASSED" : "FAILED");
2139
2140     printf("Test C99 VLA 5 (bounds checking (might be disabled)): ");
2141     if (bad_ptr = bounds_checking_is_enabled()) {
2142         int *t1 = &tab1[size1 * size2 - 1][3];
2143         int *t2 = &tab2[9][3];
2144         printf("%s ", bad_ptr == t1 ? "PASSED" : "FAILED");
2145         printf("%s ", bad_ptr == t2 ? "PASSED" : "FAILED");
2146
2147         char*c1 = 1 + sizeof(tab1) + (char*)tab1;
2148         char*c2 = 1 + sizeof(tab2) + (char*)tab2;
2149         printf("%s ", bad_ptr == c1 ? "PASSED" : "FAILED");
2150         printf("%s ", bad_ptr == c2 ? "PASSED" : "FAILED");
2151
2152         int *i1 = tab1[-1];
2153         int *i2 = tab2[-1];
2154         printf("%s ", bad_ptr == i1 ? "PASSED" : "FAILED");
2155         printf("%s ", bad_ptr == i2 ? "PASSED" : "FAILED");
2156
2157         int *x1 = tab1[size1 * size2 + 1];
2158         int *x2 = tab2[10 + 1];
2159         printf("%s ", bad_ptr == x1 ? "PASSED" : "FAILED");
2160         printf("%s ", bad_ptr == x2 ? "PASSED" : "FAILED");
2161     } else {
2162         printf("PASSED PASSED PASSED PASSED PASSED PASSED PASSED PASSED ");
2163     }
2164     printf("\n");
2165 #endif
2166 }
2167
2168 typedef __SIZE_TYPE__ uintptr_t;
2169
2170 void sizeof_test(void)
2171 {
2172     int a;
2173     int **ptr;
2174
2175     printf("sizeof(int) = %d\n", sizeof(int));
2176     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
2177     printf("sizeof(long) = %d\n", sizeof(long));
2178     printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
2179     printf("sizeof(short) = %d\n", sizeof(short));
2180     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
2181     printf("sizeof(char) = %d\n", sizeof(char));
2182     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
2183     printf("sizeof(func) = %d\n", sizeof sizeof_test());
2184     a = 1;
2185     printf("sizeof(a++) = %d\n", sizeof a++);
2186     printf("a=%d\n", a);
2187     ptr = NULL;
2188     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
2189
2190     /* The type of sizeof should be as large as a pointer, actually
2191        it should be size_t.  */
2192     printf("sizeof(sizeof(int) = %d\n", sizeof(sizeof(int)));
2193     uintptr_t t = 1;
2194     uintptr_t t2;
2195     /* Effectively <<32, but defined also on 32bit machines.  */
2196     t <<= 16;
2197     t <<= 16;
2198     t++;
2199     /* This checks that sizeof really can be used to manipulate
2200        uintptr_t objects, without truncation.  */
2201     t2 = t & -sizeof(uintptr_t);
2202     printf ("%lu %lu\n", t, t2);
2203
2204     /* some alignof tests */
2205     printf("__alignof__(int) = %d\n", __alignof__(int));
2206     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
2207     printf("__alignof__(short) = %d\n", __alignof__(short));
2208     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
2209     printf("__alignof__(char) = %d\n", __alignof__(char));
2210     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
2211     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
2212 }
2213
2214 void typeof_test(void)
2215 {
2216     double a;
2217     typeof(a) b;
2218     typeof(float) c;
2219
2220     a = 1.5;
2221     b = 2.5;
2222     c = 3.5;
2223     printf("a=%f b=%f c=%f\n", a, b, c);
2224 }
2225
2226 void statement_expr_test(void)
2227 {
2228     int a, i;
2229
2230     a = 0;
2231     for(i=0;i<10;i++) {
2232         a += 1 +
2233             ( { int b, j;
2234                 b = 0;
2235                 for(j=0;j<5;j++)
2236                     b += j; b;
2237             } );
2238     }
2239     printf("a=%d\n", a);
2240
2241 }
2242
2243 void local_label_test(void)
2244 {
2245     int a;
2246     goto l1;
2247  l2:
2248     a = 1 + ({
2249         __label__ l1, l2, l3, l4;
2250         goto l1;
2251     l4:
2252         printf("aa1\n");
2253         goto l3;
2254     l2:
2255         printf("aa3\n");
2256         goto l4;
2257     l1:
2258         printf("aa2\n");
2259         goto l2;
2260     l3:;
2261         1;
2262     });
2263     printf("a=%d\n", a);
2264     return;
2265  l4:
2266     printf("bb1\n");
2267     goto l2;
2268  l1:
2269     printf("bb2\n");
2270     goto l4;
2271 }
2272
2273 /* inline assembler test */
2274 #ifdef __i386__
2275
2276 /* from linux kernel */
2277 static char * strncat1(char * dest,const char * src,size_t count)
2278 {
2279 int d0, d1, d2, d3;
2280 __asm__ __volatile__(
2281         "repne\n\t"
2282         "scasb\n\t"
2283         "decl %1\n\t"
2284         "movl %8,%3\n"
2285         "1:\tdecl %3\n\t"
2286         "js 2f\n\t"
2287         "lodsb\n\t"
2288         "stosb\n\t"
2289         "testb %%al,%%al\n\t"
2290         "jne 1b\n"
2291         "2:\txorl %2,%2\n\t"
2292         "stosb"
2293         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2294         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2295         : "memory");
2296 return dest;
2297 }
2298
2299 static char * strncat2(char * dest,const char * src,size_t count)
2300 {
2301 int d0, d1, d2, d3;
2302 __asm__ __volatile__(
2303         "repne scasb\n\t" /* one-line repne prefix + string op */
2304         "decl %1\n\t"
2305         "movl %8,%3\n"
2306         "1:\tdecl %3\n\t"
2307         "js 2f\n\t"
2308         "lodsb\n\t"
2309         "stosb\n\t"
2310         "testb %%al,%%al\n\t"
2311         "jne 1b\n"
2312         "2:\txorl %2,%2\n\t"
2313         "stosb"
2314         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2315         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2316         : "memory");
2317 return dest;
2318 }
2319
2320 static inline void * memcpy1(void * to, const void * from, size_t n)
2321 {
2322 int d0, d1, d2;
2323 __asm__ __volatile__(
2324         "rep ; movsl\n\t"
2325         "testb $2,%b4\n\t"
2326         "je 1f\n\t"
2327         "movsw\n"
2328         "1:\ttestb $1,%b4\n\t"
2329         "je 2f\n\t"
2330         "movsb\n"
2331         "2:"
2332         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2333         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2334         : "memory");
2335 return (to);
2336 }
2337
2338 static inline void * memcpy2(void * to, const void * from, size_t n)
2339 {
2340 int d0, d1, d2;
2341 __asm__ __volatile__(
2342         "rep movsl\n\t"  /* one-line rep prefix + string op */
2343         "testb $2,%b4\n\t"
2344         "je 1f\n\t"
2345         "movsw\n"
2346         "1:\ttestb $1,%b4\n\t"
2347         "je 2f\n\t"
2348         "movsb\n"
2349         "2:"
2350         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2351         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2352         : "memory");
2353 return (to);
2354 }
2355
2356 static __inline__ void sigaddset1(unsigned int *set, int _sig)
2357 {
2358         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2359 }
2360
2361 static __inline__ void sigdelset1(unsigned int *set, int _sig)
2362 {
2363         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2364 }
2365
2366 static __inline__ __const__ unsigned int swab32(unsigned int x)
2367 {
2368         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
2369                 "rorl $16,%0\n\t"       /* swap words           */
2370                 "xchgb %b0,%h0"         /* swap higher bytes    */
2371                 :"=q" (x)
2372                 : "0" (x));
2373         return x;
2374 }
2375
2376 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
2377 {
2378     unsigned long long res;
2379     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
2380     return res;
2381 }
2382
2383 static __inline__ unsigned long long inc64(unsigned long long a)
2384 {
2385     unsigned long long res;
2386     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
2387     return res;
2388 }
2389
2390 unsigned int set;
2391
2392 void asm_test(void)
2393 {
2394     char buf[128];
2395     unsigned int val;
2396
2397     printf("inline asm:\n");
2398     /* test the no operand case */
2399     asm volatile ("xorl %eax, %eax");
2400
2401     memcpy1(buf, "hello", 6);
2402     strncat1(buf, " worldXXXXX", 3);
2403     printf("%s\n", buf);
2404
2405     memcpy2(buf, "hello", 6);
2406     strncat2(buf, " worldXXXXX", 3);
2407     printf("%s\n", buf);
2408
2409     /* 'A' constraint test */
2410     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
2411     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
2412
2413     set = 0xff;
2414     sigdelset1(&set, 2);
2415     sigaddset1(&set, 16);
2416     /* NOTE: we test here if C labels are correctly restored after the
2417        asm statement */
2418     goto label1;
2419  label2:
2420     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
2421 #ifdef __GNUC__ // works strange with GCC 4.3
2422     set=0x1080fd;
2423 #endif
2424     printf("set=0x%x\n", set);
2425     val = 0x01020304;
2426     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
2427     return;
2428  label1:
2429     goto label2;
2430 }
2431
2432 #else
2433
2434 void asm_test(void)
2435 {
2436 }
2437
2438 #endif
2439
2440 #define COMPAT_TYPE(type1, type2) \
2441 {\
2442     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
2443            __builtin_types_compatible_p (type1, type2));\
2444 }
2445
2446 int constant_p_var;
2447
2448 void builtin_test(void)
2449 {
2450 #if GCC_MAJOR >= 3
2451     COMPAT_TYPE(int, int);
2452     COMPAT_TYPE(int, unsigned int);
2453     COMPAT_TYPE(int, char);
2454     COMPAT_TYPE(int, const int);
2455     COMPAT_TYPE(int, volatile int);
2456     COMPAT_TYPE(int *, int *);
2457     COMPAT_TYPE(int *, void *);
2458     COMPAT_TYPE(int *, const int *);
2459     COMPAT_TYPE(char *, unsigned char *);
2460 /* space is needed because tcc preprocessor introduces a space between each token */
2461     COMPAT_TYPE(char * *, void *);
2462 #endif
2463     printf("res = %d\n", __builtin_constant_p(1));
2464     printf("res = %d\n", __builtin_constant_p(1 + 2));
2465     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
2466     printf("res = %d\n", __builtin_constant_p(constant_p_var));
2467 }
2468
2469 #ifndef _WIN32
2470 extern int __attribute__((weak)) weak_f1(void);
2471 extern int __attribute__((weak)) weak_f2(void);
2472 extern int                       weak_f3(void);
2473 extern int __attribute__((weak)) weak_v1;
2474 extern int __attribute__((weak)) weak_v2;
2475 extern int                       weak_v3;
2476
2477 extern int                           (*weak_fpa)() __attribute__((weak));
2478 extern int __attribute__((weak))     (*weak_fpb)();
2479 extern     __attribute__((weak)) int (*weak_fpc)();
2480
2481 extern int                     weak_asm_f1(void) asm("weak_asm_f1x") __attribute((weak));
2482 extern int __attribute((weak)) weak_asm_f2(void) asm("weak_asm_f2x")                    ;
2483 extern int __attribute((weak)) weak_asm_f3(void) asm("weak_asm_f3x") __attribute((weak));
2484 extern int                     weak_asm_v1       asm("weak_asm_v1x") __attribute((weak));
2485 extern int __attribute((weak)) weak_asm_v2       asm("weak_asm_v2x")                    ;
2486 extern int __attribute((weak)) weak_asm_v3(void) asm("weak_asm_v3x") __attribute((weak));
2487
2488 static const size_t dummy = 0;
2489 extern __typeof(dummy) weak_dummy1 __attribute__((weak, alias("dummy")));
2490 extern __typeof(dummy) __attribute__((weak, alias("dummy"))) weak_dummy2;
2491 extern __attribute__((weak, alias("dummy"))) __typeof(dummy) weak_dummy3;
2492
2493 int some_lib_func(void);
2494 int dummy_impl_of_slf(void) { return 444; }
2495 int some_lib_func(void) __attribute__((weak, alias("dummy_impl_of_slf")));
2496
2497 int weak_toolate() __attribute__((weak));
2498 int weak_toolate() { return 0; }
2499
2500 void __attribute__((weak)) weak_test(void)
2501 {
2502         printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
2503         printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
2504         printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
2505         printf("weak_v1=%d\n",&weak_v1 ? weak_v1   : 123);
2506         printf("weak_v2=%d\n",&weak_v2 ? weak_v2   : 123);
2507         printf("weak_v3=%d\n",&weak_v3 ? weak_v3   : 123);
2508
2509         printf("weak_fpa=%d\n",&weak_fpa ? weak_fpa() : 123);
2510         printf("weak_fpb=%d\n",&weak_fpb ? weak_fpb() : 123);
2511         printf("weak_fpc=%d\n",&weak_fpc ? weak_fpc() : 123);
2512
2513         printf("weak_asm_f1=%d\n", weak_asm_f1 != NULL);
2514         printf("weak_asm_f2=%d\n", weak_asm_f2 != NULL);
2515         printf("weak_asm_f3=%d\n", weak_asm_f3 != NULL);
2516         printf("weak_asm_v1=%d\n",&weak_asm_v1 != NULL);
2517         printf("weak_asm_v2=%d\n",&weak_asm_v2 != NULL);
2518         printf("weak_asm_v3=%d\n",&weak_asm_v3 != NULL);
2519 }
2520
2521 int __attribute__((weak)) weak_f2() { return 222; }
2522 int __attribute__((weak)) weak_f3() { return 333; }
2523 int __attribute__((weak)) weak_v2 = 222;
2524 int __attribute__((weak)) weak_v3 = 333;
2525 #endif
2526
2527 void const_func(const int a)
2528 {
2529 }
2530
2531 void const_warn_test(void)
2532 {
2533     const_func(1);
2534 }
2535
2536 struct condstruct {
2537   int i;
2538 };
2539
2540 int getme (struct condstruct *s, int i)
2541 {
2542   int i1 = (i == 0 ? 0 : s)->i;
2543   int i2 = (i == 0 ? s : 0)->i;
2544   int i3 = (i == 0 ? (void*)0 : s)->i;
2545   int i4 = (i == 0 ? s : (void*)0)->i;
2546   return i1 + i2 + i3 + i4;
2547 }
2548
2549 struct global_data
2550 {
2551   int a[40];
2552   int *b[40];
2553 };
2554
2555 struct global_data global_data;
2556
2557 int global_data_getstuff (int *, int);
2558
2559 void global_data_callit (int i)
2560 {
2561   *global_data.b[i] = global_data_getstuff (global_data.b[i], 1);
2562 }
2563
2564 int global_data_getstuff (int *p, int i)
2565 {
2566   return *p + i;
2567 }
2568
2569 void global_data_test (void)
2570 {
2571   global_data.a[0] = 42;
2572   global_data.b[0] = &global_data.a[0];
2573   global_data_callit (0);
2574   printf ("%d\n", global_data.a[0]);
2575 }
2576
2577 struct cmpcmpS
2578 {
2579   unsigned char fill : 3;
2580   unsigned char b1 : 1;
2581   unsigned char b2 : 1;
2582   unsigned char fill2 : 3;
2583 };
2584
2585 int glob1, glob2, glob3;
2586
2587 void compare_comparisons (struct cmpcmpS *s)
2588 {
2589   if (s->b1 != (glob1 == glob2)
2590       || (s->b2 != (glob1 == glob3)))
2591     printf ("comparing comparisons broken\n");
2592 }
2593
2594 void cmp_comparison_test(void)
2595 {
2596   struct cmpcmpS s;
2597   s.b1 = 1;
2598   glob1 = 42; glob2 = 42;
2599   s.b2 = 0;
2600   glob3 = 43;
2601   compare_comparisons (&s);
2602 }
2603
2604 int fcompare (double a, double b, int code)
2605 {
2606   switch (code) {
2607     case 0: return a == b;
2608     case 1: return a != b;
2609     case 2: return a < b;
2610     case 3: return a >= b;
2611     case 4: return a > b;
2612     case 5: return a <= b;
2613   }
2614 }
2615
2616 void math_cmp_test(void)
2617 {
2618   double nan = 0.0/0.0;
2619   double one = 1.0;
2620   double two = 2.0;
2621   int comp = 0;
2622 #define bug(a,b,op,iop,part) printf("Test broken: %s %s %s %s %d\n", #a, #b, #op, #iop, part)
2623
2624   /* This asserts that "a op b" is _not_ true, but "a iop b" is true.
2625      And it does this in various ways so that all code generation paths
2626      are checked (generating inverted tests, or non-inverted tests, or
2627      producing a 0/1 value without jumps (that's done in the fcompare
2628      function).  */
2629 #define FCMP(a,b,op,iop,code) \
2630   if (fcompare (a,b,code))    \
2631     bug (a,b,op,iop,1); \
2632   if (a op b) \
2633     bug (a,b,op,iop,2); \
2634   if (a iop b) \
2635     ; \
2636   else \
2637     bug (a,b,op,iop,3); \
2638   if ((a op b) || comp) \
2639     bug (a,b,op,iop,4); \
2640   if ((a iop b) || comp) \
2641     ; \
2642   else \
2643     bug (a,b,op,iop,5);
2644
2645   /* Equality tests.  */
2646   FCMP(nan, nan, ==, !=, 0);
2647   FCMP(one, two, ==, !=, 0);
2648   FCMP(one, one, !=, ==, 1);
2649   /* Non-equality is a bit special.  */
2650   if (!fcompare (nan, nan, 1))
2651     bug (nan, nan, !=, ==, 6);
2652
2653   /* Relational tests on numbers.  */
2654   FCMP(two, one, <, >=, 2);
2655   FCMP(one, two, >=, <, 3);
2656   FCMP(one, two, >, <=, 4);
2657   FCMP(two, one, <=, >, 5);
2658
2659   /* Relational tests on NaNs.  Note that the inverse op here is
2660      always !=, there's no operator in C that is equivalent to !(a < b),
2661      when NaNs are involved, same for the other relational ops.  */
2662   FCMP(nan, nan, <, !=, 2);
2663   FCMP(nan, nan, >=, !=, 3);
2664   FCMP(nan, nan, >, !=, 4);
2665   FCMP(nan, nan, <=, !=, 5);
2666 }
2667
2668 double get100 () { return 100.0; }
2669
2670 void callsave_test(void)
2671 {
2672 #if defined __i386__ || defined __x86_64__
2673   int i, s; double *d; double t;
2674   s = sizeof (double);
2675   printf ("callsavetest: %d\n", s);
2676   d = alloca (sizeof(double));
2677   d[0] = 10.0;
2678   /* x86-64 had a bug were the next call to get100 would evict
2679      the lvalue &d[0] as VT_LLOCAL, and the reload would be done
2680      in int type, not pointer type.  When alloca returns a pointer
2681      with the high 32 bit set (which is likely on x86-64) the access
2682      generates a segfault.  */
2683   i = d[0] > get100 ();
2684   printf ("%d\n", i);
2685 #endif
2686 }
2687
2688
2689 void bfa3(ptrdiff_t str_offset)
2690 {
2691     printf("bfa3: %s\n", (char *)__builtin_frame_address(3) + str_offset);
2692 }
2693 void bfa2(ptrdiff_t str_offset)
2694 {
2695     printf("bfa2: %s\n", (char *)__builtin_frame_address(2) + str_offset);
2696     bfa3(str_offset);
2697 }
2698 void bfa1(ptrdiff_t str_offset)
2699 {
2700     printf("bfa1: %s\n", (char *)__builtin_frame_address(1) + str_offset);
2701 #if defined(__arm__) && !defined(__GNUC__)
2702     bfa2(str_offset);
2703 #endif
2704 }
2705
2706 void builtin_frame_address_test(void)
2707 {
2708     char str[] = "__builtin_frame_address";
2709     char *fp0 = __builtin_frame_address(0);
2710
2711     printf("str: %s\n", str);
2712     bfa1(str-fp0);
2713 }