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 /* __VA_ARGS__ and __func__ support */
  20 #define C99_MACROS
  21
  22 /* test various include syntaxes */
  23
  24 #define TCCLIB_INC <tcclib.h>
  25 #define TCCLIB_INC1 <tcclib
  26 #define TCCLIB_INC2 h>
  27 #define TCCLIB_INC3 "tcclib"
  28
  29 #include TCCLIB_INC
  30
  31 #include TCCLIB_INC1.TCCLIB_INC2
  32
  33 #include TCCLIB_INC1.h>
  34
  35 /* gcc 3.2 does not accept that (bug ?) */
  36 //#include TCCLIB_INC3 ".h"
  37
  38 #include <tcclib.h>
  39
  40 #include "tcclib.h"
  41
  42 void string_test();
  43 void expr_test();
  44 void macro_test();
  45 void scope_test();
  46 void forward_test();
  47 void funcptr_test();
  48 void loop_test();
  49 void switch_test();
  50 void goto_test();
  51 void enum_test();
  52 void typedef_test();
  53 void struct_test();
  54 void array_test();
  55 void expr_ptr_test();
  56 void bool_test();
  57 void expr2_test();
  58 void constant_expr_test();
  59 void expr_cmp_test();
  60 void char_short_test();
  61 void init_test(void);
  62 void compound_literal_test(void);
  63 int kr_test();
  64 void struct_assign_test(void);
  65 void cast_test(void);
  66 void bitfield_test(void);
  67 void c99_bool_test(void);
  68 void float_test(void);
  69 void longlong_test(void);
  70 void stdarg_test(void);
  71 void whitespace_test(void);
  72 void relocation_test(void);
  73 void old_style_function(void);
  74 void sizeof_test(void);
  75 void typeof_test(void);
  76 void local_label_test(void);
  77 void statement_expr_test(void);
  78 void asm_test(void);
  79 void builtin_test(void);
  80
  81 int fib(int n);
  82 void num(int n);
  83 void forward_ref(void);
  84 int isid(int c);
  85
  86 #define A 2
  87 #define N 1234 + A
  88 #define pf printf
  89 #define M1(a, b)  (a) + (b)
  90
  91 #define str\
  92 (s) # s
  93 #define glue(a, b) a ## b
  94 #define xglue(a, b) glue(a, b)
  95 #define HIGHLOW "hello"
  96 #define LOW LOW ", world"
  97
  98 #define min(a, b) ((a) < (b) ? (a) : (b))
  99
 100 #ifdef C99_MACROS
 101 #define dprintf(level,...) printf(__VA_ARGS__)
 102 #endif
 103
 104 /* gcc vararg macros */
 105 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
 106
 107 #define MACRO_NOARGS()
 108
 109 #define AAA 3
 110 #undef AAA
 111 #define AAA 4
 112
 113 #if 1
 114 #define B3 1
 115 #elif 1
 116 #define B3 2
 117 #elif 0
 118 #define B3 3
 119 #else
 120 #define B3 4
 121 #endif
 122
 123 #define __INT64_C(c)    c ## LL
 124 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 125
 126 int qq(int x)
 127 {
 128     return x + 40;
 129 }
 130 #define qq(x) x
 131
 132 void macro_test(void)
 133 {
 134     printf("macro:\n");\f\v
 135     pf("N=%d\n", N);
 136     printf("aaa=%d\n", AAA);
 137
 138     printf("min=%d\n", min(1, min(2, -1)));
 139
 140     printf("s1=%s\n", glue(HIGH, LOW));
 141     printf("s2=%s\n", xglue(HIGH, LOW));
 142     printf("s3=%s\n", str("c"));
 143     printf("s4=%s\n", str(a1));
 144     printf("B3=%d\n", B3);
 145
 146 #ifdef A
 147     printf("A defined\n");
 148 #endif
 149 #ifdef B
 150     printf("B defined\n");
 151 #endif
 152 #ifdef A
 153     printf("A defined\n");
 154 #else
 155     printf("A not defined\n");
 156 #endif
 157 #ifdef B
 158     printf("B defined\n");
 159 #else
 160     printf("B not defined\n");
 161 #endif
 162
 163 #ifdef A
 164     printf("A defined\n");
 165 #ifdef B
 166     printf("B1 defined\n");
 167 #else
 168     printf("B1 not defined\n");
 169 #endif
 170 #else
 171     printf("A not defined\n");
 172 #ifdef B
 173     printf("B2 defined\n");
 174 #else
 175     printf("B2 not defined\n");
 176 #endif
 177 #endif
 178
 179 #if 1+1
 180     printf("test true1\n");
 181 #endif
 182 #if 0
 183     printf("test true2\n");
 184 #endif
 185 #if 1-1
 186     printf("test true3\n");
 187 #endif
 188 #if defined(A)
 189     printf("test trueA\n");
 190 #endif
 191 #if defined(B)
 192     printf("test trueB\n");
 193 #endif
 194
 195 #if 0
 196     printf("test 0\n");
 197 #elif 0
 198     printf("test 1\n");
 199 #elif 2
 200     printf("test 2\n");
 201 #else
 202     printf("test 3\n");
 203 #endif
 204
 205     MACRO_NOARGS();
 206
 207 #ifdef __LINE__
 208     printf("__LINE__ defined\n");
 209 #endif
 210
 211     printf("__LINE__=%d __FILE__=%s\n",
 212            __LINE__, __FILE__);
 213 #line 200
 214     printf("__LINE__=%d __FILE__=%s\n",
 215            __LINE__, __FILE__);
 216 #line 203 "test"
 217     printf("__LINE__=%d __FILE__=%s\n",
 218            __LINE__, __FILE__);
 219 #line 220 "tcctest.c"
 220
 221     /* not strictly preprocessor, but we test it there */
 222 #ifdef C99_MACROS
 223     printf("__func__ = %s\n", __func__);
 224     dprintf(1, "vaarg=%d\n", 1);
 225 #endif
 226     dprintf1(1, "vaarg1\n");
 227     dprintf1(1, "vaarg1=%d\n", 2);
 228     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 229
 230     /* gcc extension */
 231     printf("func='%s'\n", __FUNCTION__);
 232
 233     /* complicated macros in glibc */
 234     printf("INT64_MIN=%Ld\n", INT64_MIN);
 235     {
 236         int a;
 237         a = 1;
 238         glue(a+, +);
 239         printf("a=%d\n", a);
 240         glue(a <, <= 2);
 241         printf("a=%d\n", a);
 242     }
 243
 244     /* macro function with argument outside the macro string */
 245 #define MF_s MF_hello
 246 #define MF_hello(msg) printf("%s\n",msg)
 247
 248 #define MF_t printf("tralala\n"); MF_hello
 249
 250     MF_s("hi");
 251     MF_t("hi");
 252
 253     /* test macro substituion inside args (should not eat stream) */
 254     printf("qq=%d\n", qq(qq)(2));
 255
 256     /* comment with stray handling *\
 257 /
 258        /* this is a valid *\/ comment */
 259        /* this is a valid comment *\*/
 260     //  this is a valid\
 261 comment
 262 }
 263
 264 int op(a,b)
 265 {
 266     return a / b;
 267 }
 268
 269 int ret(a)
 270 {
 271     if (a == 2)
 272         return 1;
 273     if (a == 3)
 274         return 2;
 275     return 0;
 276 }
 277
 278 void ps(const char *s)
 279 {
 280     int c;
 281     while (1) {
 282         c = *s;
 283         if (c == 0)
 284             break;
 285         printf("%c", c);
 286         s++;
 287     }
 288 }
 289
 290 const char foo1_string[] = "\
 291 bar\n\
 292 test\14\
 293 1";
 294
 295 void string_test()
 296 {
 297     int b;
 298     printf("string:\n");
 299     printf("\141\1423\143\n");/* dezdez test */
 300     printf("\x41\x42\x43\x3a\n");
 301     printf("c=%c\n", 'r');
 302     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 303     printf("foo1_string='%s'\n", foo1_string);
 304 #if 0
 305     printf("wstring=%S\n", L"abc");
 306     printf("wstring=%S\n", L"abc" L"def" "ghi");
 307     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 308     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 309 #endif
 310     ps("test\n");
 311     b = 32;
 312     while ((b = b + 1) < 96) {
 313         printf("%c", b);
 314     }
 315     printf("\n");
 316     printf("fib=%d\n", fib(33));
 317     b = 262144;
 318     while (b != 0x80000000) {
 319         num(b);
 320         b = b * 2;
 321     }
 322 }
 323
 324 void loop_test()
 325 {
 326     int i;
 327     i = 0;
 328     while (i < 10)
 329         printf("%d", i++);
 330     printf("\n");
 331     for(i = 0; i < 10;i++)
 332         printf("%d", i);
 333     printf("\n");
 334     i = 0;
 335     do {
 336         printf("%d", i++);
 337     } while (i < 10);
 338     printf("\n");
 339
 340     /* break/continue tests */
 341     i = 0;
 342     while (1) {
 343         if (i == 6)
 344             break;
 345         i++;
 346         if (i == 3)
 347             continue;
 348         printf("%d", i);
 349     }
 350     printf("\n");
 351
 352     /* break/continue tests */
 353     i = 0;
 354     do {
 355         if (i == 6)
 356             break;
 357         i++;
 358         if (i == 3)
 359             continue;
 360         printf("%d", i);
 361     } while(1);
 362     printf("\n");
 363
 364     for(i = 0;i < 10;i++) {
 365         if (i == 3)
 366             continue;
 367         printf("%d", i);
 368     }
 369     printf("\n");
 370 }
 371
 372
 373 void goto_test()
 374 {
 375     int i;
 376     static void *label_table[3] = { &&label1, &&label2, &&label3 };
 377
 378     printf("goto:\n");
 379     i = 0;
 380  s_loop:
 381     if (i >= 10)
 382         goto s_end;
 383     printf("%d", i);
 384     i++;
 385     goto s_loop;
 386  s_end:
 387     printf("\n");
 388
 389     /* we also test computed gotos (GCC extension) */
 390     for(i=0;i<3;i++) {
 391         goto *label_table[i];
 392     label1:
 393         printf("label1\n");
 394         goto next;
 395     label2:
 396         printf("label2\n");
 397         goto next;
 398     label3:
 399         printf("label3\n");
 400     next: ;
 401     }
 402 }
 403
 404 enum {
 405     E0,
 406     E1 = 2,
 407     E2 = 4,
 408     E3,
 409     E4,
 410 };
 411
 412 enum test {
 413     E5 = 1000,
 414 };
 415
 416 void enum_test()
 417 {
 418     enum test b1;
 419     printf("enum:\n%d %d %d %d %d %d\n",
 420            E0, E1, E2, E3, E4, E5);
 421     b1 = 1;
 422     printf("b1=%d\n", b1);
 423 }
 424
 425 typedef int *my_ptr;
 426
 427 void typedef_test()
 428 {
 429     my_ptr a;
 430     int b;
 431     a = &b;
 432     *a = 1234;
 433     printf("typedef:\n");
 434     printf("a=%d\n", *a);
 435 }
 436
 437 void forward_test()
 438 {
 439     printf("forward:\n");
 440     forward_ref();
 441     forward_ref();
 442 }
 443
 444
 445 void forward_ref(void)
 446 {
 447     printf("forward ok\n");
 448 }
 449
 450 typedef struct struct1 {
 451     int f1;
 452     int f2, f3;
 453     union union1 {
 454         int v1;
 455         int v2;
 456     } u;
 457     char str[3];
 458 } struct1;
 459
 460 struct struct2 {
 461     int a;
 462     char b;
 463 };
 464
 465 union union2 {
 466     int w1;
 467     int w2;
 468 };
 469
 470 struct struct1 st1, st2;
 471
 472 int main(int argc, char **argv)
 473 {
 474     string_test();
 475     expr_test();
 476     macro_test();
 477     scope_test();
 478     forward_test();
 479     funcptr_test();
 480     loop_test();
 481     switch_test();
 482     goto_test();
 483     enum_test();
 484     typedef_test();
 485     struct_test();
 486     array_test();
 487     expr_ptr_test();
 488     bool_test();
 489     expr2_test();
 490     constant_expr_test();
 491     expr_cmp_test();
 492     char_short_test();
 493     init_test();
 494     compound_literal_test();
 495     kr_test();
 496     struct_assign_test();
 497     cast_test();
 498     bitfield_test();
 499     c99_bool_test();
 500     float_test();
 501     longlong_test();
 502     stdarg_test();
 503     whitespace_test();
 504     relocation_test();
 505     old_style_function();
 506     sizeof_test();
 507     typeof_test();
 508     statement_expr_test();
 509     local_label_test();
 510     asm_test();
 511     builtin_test();
 512     return 0;
 513 }
 514
 515 int tab[3];
 516 int tab2[3][2];
 517
 518 int g;
 519
 520 void f1(g)
 521 {
 522     printf("g1=%d\n", g);
 523 }
 524
 525 void scope_test()
 526 {
 527     printf("scope:\n");
 528     g = 2;
 529     f1(1);
 530     printf("g2=%d\n", g);
 531     {
 532         int g;
 533         g = 3;
 534         printf("g3=%d\n", g);
 535         {
 536             int g;
 537             g = 4;
 538             printf("g4=%d\n", g);
 539         }
 540     }
 541     printf("g5=%d\n", g);
 542 }
 543
 544 void array_test(int a[4])
 545 {
 546     int i, j;
 547
 548     printf("array:\n");
 549     printf("sizeof(a) = %d\n", sizeof(a));
 550     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 551 #ifdef C99_MACROS
 552     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 553 #endif
 554     printf("sizeof tab %d\n", sizeof(tab));
 555     printf("sizeof tab2 %d\n", sizeof tab2);
 556     tab[0] = 1;
 557     tab[1] = 2;
 558     tab[2] = 3;
 559     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 560     for(i=0;i<3;i++)
 561         for(j=0;j<2;j++)
 562             tab2[i][j] = 10 * i + j;
 563     for(i=0;i<3*2;i++) {
 564         printf(" %3d", ((int *)tab2)[i]);
 565     }
 566     printf("\n");
 567 }
 568
 569 void expr_test()
 570 {
 571     int a, b;
 572     a = 0;
 573     printf("%d\n", a += 1);
 574     printf("%d\n", a -= 2);
 575     printf("%d\n", a *= 31232132);
 576     printf("%d\n", a /= 4);
 577     printf("%d\n", a %= 20);
 578     printf("%d\n", a &= 6);
 579     printf("%d\n", a ^= 7);
 580     printf("%d\n", a |= 8);
 581     printf("%d\n", a >>= 3);
 582     printf("%d\n", a <<= 4);
 583
 584     a = 22321;
 585     b = -22321;
 586     printf("%d\n", a + 1);
 587     printf("%d\n", a - 2);
 588     printf("%d\n", a * 312);
 589     printf("%d\n", a / 4);
 590     printf("%d\n", b / 4);
 591     printf("%d\n", (unsigned)b / 4);
 592     printf("%d\n", a % 20);
 593     printf("%d\n", b % 20);
 594     printf("%d\n", (unsigned)b % 20);
 595     printf("%d\n", a & 6);
 596     printf("%d\n", a ^ 7);
 597     printf("%d\n", a | 8);
 598     printf("%d\n", a >> 3);
 599     printf("%d\n", b >> 3);
 600     printf("%d\n", (unsigned)b >> 3);
 601     printf("%d\n", a << 4);
 602     printf("%d\n", ~a);
 603     printf("%d\n", -a);
 604     printf("%d\n", +a);
 605
 606     printf("%d\n", 12 + 1);
 607     printf("%d\n", 12 - 2);
 608     printf("%d\n", 12 * 312);
 609     printf("%d\n", 12 / 4);
 610     printf("%d\n", 12 % 20);
 611     printf("%d\n", 12 & 6);
 612     printf("%d\n", 12 ^ 7);
 613     printf("%d\n", 12 | 8);
 614     printf("%d\n", 12 >> 2);
 615     printf("%d\n", 12 << 4);
 616     printf("%d\n", ~12);
 617     printf("%d\n", -12);
 618     printf("%d\n", +12);
 619     printf("%d %d %d %d\n",
 620            isid('a'),
 621            isid('g'),
 622            isid('T'),
 623            isid('('));
 624 }
 625
 626 int isid(int c)
 627 {
 628     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 629 }
 630
 631 /**********************/
 632
 633 int vstack[10], *vstack_ptr;
 634
 635 void vpush(int vt, int vc)
 636 {
 637     *vstack_ptr++ = vt;
 638     *vstack_ptr++ = vc;
 639 }
 640
 641 void vpop(int *ft, int *fc)
 642 {
 643     *fc = *--vstack_ptr;
 644     *ft = *--vstack_ptr;
 645 }
 646
 647 void expr2_test()
 648 {
 649     int a, b;
 650
 651     printf("expr2:\n");
 652     vstack_ptr = vstack;
 653     vpush(1432432, 2);
 654     vstack_ptr[-2] &= ~0xffffff80;
 655     vpop(&a, &b);
 656     printf("res= %d %d\n", a, b);
 657 }
 658
 659 void constant_expr_test()
 660 {
 661     int a;
 662     printf("constant_expr:\n");
 663     a = 3;
 664     printf("%d\n", a * 16);
 665     printf("%d\n", a * 1);
 666     printf("%d\n", a + 0);
 667 }
 668
 669 int tab4[10];
 670
 671 void expr_ptr_test()
 672 {
 673     int *p, *q;
 674
 675     printf("expr_ptr:\n");
 676     p = tab4;
 677     q = tab4 + 10;
 678     printf("diff=%d\n", q - p);
 679     p++;
 680     printf("inc=%d\n", p - tab4);
 681     p--;
 682     printf("dec=%d\n", p - tab4);
 683     ++p;
 684     printf("inc=%d\n", p - tab4);
 685     --p;
 686     printf("dec=%d\n", p - tab4);
 687     printf("add=%d\n", p + 3 - tab4);
 688     printf("add=%d\n", 3 + p - tab4);
 689 }
 690
 691 void expr_cmp_test()
 692 {
 693     int a, b;
 694     printf("constant_expr:\n");
 695     a = -1;
 696     b = 1;
 697     printf("%d\n", a == a);
 698     printf("%d\n", a != a);
 699
 700     printf("%d\n", a < b);
 701     printf("%d\n", a <= b);
 702     printf("%d\n", a <= a);
 703     printf("%d\n", b >= a);
 704     printf("%d\n", a >= a);
 705     printf("%d\n", b > a);
 706
 707     printf("%d\n", (unsigned)a < b);
 708     printf("%d\n", (unsigned)a <= b);
 709     printf("%d\n", (unsigned)a <= a);
 710     printf("%d\n", (unsigned)b >= a);
 711     printf("%d\n", (unsigned)a >= a);
 712     printf("%d\n", (unsigned)b > a);
 713 }
 714
 715 struct empty {
 716 };
 717
 718 struct aligntest1 {
 719     char a[10];
 720 };
 721
 722 struct aligntest2 {
 723     int a;
 724     char b[10];
 725 };
 726
 727 struct aligntest3 {
 728     double a, b;
 729 };
 730
 731 struct aligntest4 {
 732     double a[0];
 733 };
 734
 735 void struct_test()
 736 {
 737     struct1 *s;
 738     union union2 u;
 739
 740     printf("struct:\n");
 741     printf("sizes: %d %d %d %d\n",
 742            sizeof(struct struct1),
 743            sizeof(struct struct2),
 744            sizeof(union union1),
 745            sizeof(union union2));
 746     st1.f1 = 1;
 747     st1.f2 = 2;
 748     st1.f3 = 3;
 749     printf("st1: %d %d %d\n",
 750            st1.f1, st1.f2, st1.f3);
 751     st1.u.v1 = 1;
 752     st1.u.v2 = 2;
 753     printf("union1: %d\n", st1.u.v1);
 754     u.w1 = 1;
 755     u.w2 = 2;
 756     printf("union2: %d\n", u.w1);
 757     s = &st2;
 758     s->f1 = 3;
 759     s->f2 = 2;
 760     s->f3 = 1;
 761     printf("st2: %d %d %d\n",
 762            s->f1, s->f2, s->f3);
 763     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 764
 765     /* align / size tests */
 766     printf("aligntest1 sizeof=%d alignof=%d\n",
 767            sizeof(struct aligntest1), __alignof__(struct aligntest1));
 768     printf("aligntest2 sizeof=%d alignof=%d\n",
 769            sizeof(struct aligntest2), __alignof__(struct aligntest2));
 770     printf("aligntest3 sizeof=%d alignof=%d\n",
 771            sizeof(struct aligntest3), __alignof__(struct aligntest3));
 772     printf("aligntest4 sizeof=%d alignof=%d\n",
 773            sizeof(struct aligntest4), __alignof__(struct aligntest4));
 774
 775     /* empty structures (GCC extension) */
 776     printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
 777     printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
 778 }
 779
 780 /* XXX: depend on endianness */
 781 void char_short_test()
 782 {
 783     int var1, var2;
 784
 785     printf("char_short:\n");
 786
 787     var1 = 0x01020304;
 788     var2 = 0xfffefdfc;
 789     printf("s8=%d %d\n",
 790            *(char *)&var1, *(char *)&var2);
 791     printf("u8=%d %d\n",
 792            *(unsigned char *)&var1, *(unsigned char *)&var2);
 793     printf("s16=%d %d\n",
 794            *(short *)&var1, *(short *)&var2);
 795     printf("u16=%d %d\n",
 796            *(unsigned short *)&var1, *(unsigned short *)&var2);
 797     printf("s32=%d %d\n",
 798            *(int *)&var1, *(int *)&var2);
 799     printf("u32=%d %d\n",
 800            *(unsigned int *)&var1, *(unsigned int *)&var2);
 801     *(char *)&var1 = 0x08;
 802     printf("var1=%x\n", var1);
 803     *(short *)&var1 = 0x0809;
 804     printf("var1=%x\n", var1);
 805     *(int *)&var1 = 0x08090a0b;
 806     printf("var1=%x\n", var1);
 807 }
 808
 809 /******************/
 810
 811 typedef struct Sym {
 812     int v;
 813     int t;
 814     int c;
 815     struct Sym *next;
 816     struct Sym *prev;
 817 } Sym;
 818
 819 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 820 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
 821
 822 static int toupper1(int a)
 823 {
 824     return TOUPPER(a);
 825 }
 826
 827 void bool_test()
 828 {
 829     int *s, a, b, t, f, i;
 830
 831     a = 0;
 832     s = (void*)0;
 833     printf("!s=%d\n", !s);
 834
 835     if (!s || !s[0])
 836         a = 1;
 837     printf("a=%d\n", a);
 838
 839     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
 840     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
 841     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
 842 #if 1 && 1
 843     printf("a1\n");
 844 #endif
 845 #if 1 || 0
 846     printf("a2\n");
 847 #endif
 848 #if 1 ? 0 : 1
 849     printf("a3\n");
 850 #endif
 851 #if 0 ? 0 : 1
 852     printf("a4\n");
 853 #endif
 854
 855     a = 4;
 856     printf("b=%d\n", a + (0 ? 1 : a / 2));
 857
 858     /* test register spilling */
 859     a = 10;
 860     b = 10;
 861     a = (a + b) * ((a < b) ?
 862                    ((b - a) * (a - b)): a + b);
 863     printf("a=%d\n", a);
 864
 865     /* test complex || or && expressions */
 866     t = 1;
 867     f = 0;
 868     a = 32;
 869     printf("exp=%d\n", f == (32 <= a && a <= 3));
 870     printf("r=%d\n", (t || f) + (t && f));
 871
 872     /* test ? : cast */
 873     {
 874         int aspect_on;
 875         int aspect_native = 65536;
 876         double bfu_aspect = 1.0;
 877         int aspect;
 878         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
 879             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
 880             printf("aspect=%d\n", aspect);
 881         }
 882     }
 883
 884     /* test ? : GCC extension */
 885     {
 886         static int v1 = 34 ? : -1; /* constant case */
 887         static int v2 = 0 ? : -1; /* constant case */
 888         int a = 30;
 889
 890         printf("%d %d\n", v1, v2);
 891         printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
 892     }
 893
 894     /* again complex expression */
 895     for(i=0;i<256;i++) {
 896         if (toupper1 (i) != TOUPPER (i))
 897             printf("error %d\n", i);
 898     }
 899 }
 900
 901 /* GCC accepts that */
 902 static int tab_reinit[];
 903 static int tab_reinit[10];
 904
 905 //int cinit1; /* a global variable can be defined several times without error ! */
 906 int cinit1;
 907 int cinit1;
 908 int cinit1 = 0;
 909 int *cinit2 = (int []){3, 2, 1};
 910
 911 void compound_literal_test(void)
 912 {
 913     int *p, i;
 914     char *q, *q3;
 915
 916     printf("compound_test:\n");
 917
 918     p = (int []){1, 2, 3};
 919     for(i=0;i<3;i++)
 920         printf(" %d", p[i]);
 921     printf("\n");
 922
 923     for(i=0;i<3;i++)
 924         printf("%d", cinit2[i]);
 925     printf("\n");
 926
 927     q = "tralala1";
 928     printf("q1=%s\n", q);
 929
 930     q = (char *){ "tralala2" };
 931     printf("q2=%s\n", q);
 932
 933     q3 = (char *){ q };
 934     printf("q3=%s\n", q3);
 935
 936     q = (char []){ "tralala3" };
 937     printf("q4=%s\n", q);
 938
 939 #ifdef ALL_ISOC99
 940     p = (int []){1, 2, cinit1 + 3};
 941     for(i=0;i<3;i++)
 942         printf(" %d", p[i]);
 943     printf("\n");
 944
 945     for(i=0;i<3;i++) {
 946         p = (int []){1, 2, 4 + i};
 947         printf("%d %d %d\n",
 948                p[0],
 949                p[1],
 950                p[2]);
 951     }
 952 #endif
 953 }
 954
 955 /* K & R protos */
 956
 957 kr_func1(a, b)
 958 {
 959     return a + b;
 960 }
 961
 962 int kr_func2(a, b)
 963 {
 964     return a + b;
 965 }
 966
 967 kr_test()
 968 {
 969     printf("kr_test:\n");
 970     printf("func1=%d\n", kr_func1(3, 4));
 971     printf("func2=%d\n", kr_func2(3, 4));
 972     return 0;
 973 }
 974
 975 void num(int n)
 976 {
 977     char *tab, *p;
 978     tab = (char*)malloc(20);
 979     p = tab;
 980     while (1) {
 981         *p = 48 + (n % 10);
 982         p++;
 983         n = n / 10;
 984         if (n == 0)
 985             break;
 986     }
 987     while (p != tab) {
 988         p--;
 989         printf("%c", *p);
 990     }
 991     printf("\n");
 992 }
 993
 994 /* structure assignment tests */
 995 struct structa1 {
 996     int f1;
 997     char f2;
 998 };
 999
1000 struct structa1 ssta1;
1001
1002 void struct_assign_test1(struct structa1 s1, int t)
1003 {
1004     printf("%d %d %d\n", s1.f1, s1.f2, t);
1005 }
1006
1007 struct structa1 struct_assign_test2(struct structa1 s1, int t)
1008 {
1009     s1.f1 += t;
1010     s1.f2 -= t;
1011     return s1;
1012 }
1013
1014 void struct_assign_test(void)
1015 {
1016     struct structa1 lsta1, lsta2;
1017
1018 #if 0
1019     printf("struct_assign_test:\n");
1020
1021     lsta1.f1 = 1;
1022     lsta1.f2 = 2;
1023     printf("%d %d\n", lsta1.f1, lsta1.f2);
1024     lsta2 = lsta1;
1025     printf("%d %d\n", lsta2.f1, lsta2.f2);
1026 #else
1027     lsta2.f1 = 1;
1028     lsta2.f2 = 2;
1029 #endif
1030     struct_assign_test1(lsta2, 3);
1031
1032     printf("before call: %d %d\n", lsta2.f1, lsta2.f2);
1033     lsta2 = struct_assign_test2(lsta2, 4);
1034     printf("after call: %d %d\n", lsta2.f1, lsta2.f2);
1035 }
1036
1037 /* casts to short/char */
1038
1039 void cast1(char a, short b, unsigned char c, unsigned short d)
1040 {
1041     printf("%d %d %d %d\n", a, b, c, d);
1042 }
1043
1044 char bcast;
1045 short scast;
1046
1047 void cast_test()
1048 {
1049     int a;
1050     char c;
1051     char tab[10];
1052
1053     printf("cast_test:\n");
1054     a = 0xfffff;
1055     cast1(a, a, a, a);
1056     a = 0xffffe;
1057     printf("%d %d %d %d\n",
1058            (char)(a + 1),
1059            (short)(a + 1),
1060            (unsigned char)(a + 1),
1061            (unsigned short)(a + 1));
1062     printf("%d %d %d %d\n",
1063            (char)0xfffff,
1064            (short)0xfffff,
1065            (unsigned char)0xfffff,
1066            (unsigned short)0xfffff);
1067
1068     a = (bcast = 128) + 1;
1069     printf("%d\n", a);
1070     a = (scast = 65536) + 1;
1071     printf("%d\n", a);
1072
1073     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
1074
1075     /* test implicit int casting for array accesses */
1076     c = 0;
1077     tab[1] = 2;
1078     tab[c] = 1;
1079     printf("%d %d\n", tab[0], tab[1]);
1080
1081     /* test implicit casting on some operators */
1082     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
1083     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
1084     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
1085 }
1086
1087 /* initializers tests */
1088 struct structinit1 {
1089     int f1;
1090     char f2;
1091     short f3;
1092     int farray[3];
1093 };
1094
1095 int sinit1 = 2;
1096 int sinit2 = { 3 };
1097 int sinit3[3] = { 1, 2, {{3}}, };
1098 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1099 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1100 int sinit6[] = { 1, 2, 3 };
1101 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1102 char sinit8[] = "hello" "trala";
1103
1104 struct structinit1 sinit9 = { 1, 2, 3 };
1105 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1106 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1107 #ifdef ALL_ISOC99
1108                                .farray[0] = 10,
1109                                .farray[1] = 11,
1110                                .farray[2] = 12,
1111 #endif
1112 };
1113
1114 char *sinit12 = "hello world";
1115 char *sinit13[] = {
1116     "test1",
1117     "test2",
1118     "test3",
1119 };
1120 char sinit14[10] = { "abc" };
1121 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1122
1123 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1124
1125 struct bar {
1126         char *s;
1127         int len;
1128 } sinit17[] = {
1129         "a1", 4,
1130         "a2", 1
1131 };
1132
1133 int sinit18[10] = {
1134     [2 ... 5] = 20,
1135     2,
1136     [8] = 10,
1137 };
1138
1139 void init_test(void)
1140 {
1141     int linit1 = 2;
1142     int linit2 = { 3 };
1143     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1144     int linit6[] = { 1, 2, 3 };
1145     int i, j;
1146     char linit8[] = "hello" "trala";
1147     int linit12[10] = { 1, 2 };
1148     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1149     char linit14[10] = "abc";
1150     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1151     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1152     int linit17 = sizeof(linit17);
1153
1154     printf("init_test:\n");
1155
1156     printf("sinit1=%d\n", sinit1);
1157     printf("sinit2=%d\n", sinit2);
1158     printf("sinit3=%d %d %d %d\n",
1159            sizeof(sinit3),
1160            sinit3[0],
1161            sinit3[1],
1162            sinit3[2]
1163            );
1164     printf("sinit6=%d\n", sizeof(sinit6));
1165     printf("sinit7=%d %d %d %d\n",
1166            sizeof(sinit7),
1167            sinit7[0],
1168            sinit7[1],
1169            sinit7[2]
1170            );
1171     printf("sinit8=%s\n", sinit8);
1172     printf("sinit9=%d %d %d\n",
1173            sinit9.f1,
1174            sinit9.f2,
1175            sinit9.f3
1176            );
1177     printf("sinit10=%d %d %d\n",
1178            sinit10.f1,
1179            sinit10.f2,
1180            sinit10.f3
1181            );
1182     printf("sinit11=%d %d %d %d %d %d\n",
1183            sinit11.f1,
1184            sinit11.f2,
1185            sinit11.f3,
1186            sinit11.farray[0],
1187            sinit11.farray[1],
1188            sinit11.farray[2]
1189            );
1190
1191     for(i=0;i<3;i++)
1192         for(j=0;j<2;j++)
1193             printf("[%d][%d] = %d %d %d\n",
1194                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1195     printf("linit1=%d\n", linit1);
1196     printf("linit2=%d\n", linit2);
1197     printf("linit6=%d\n", sizeof(linit6));
1198     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1199
1200     printf("sinit12=%s\n", sinit12);
1201     printf("sinit13=%d %s %s %s\n",
1202            sizeof(sinit13),
1203            sinit13[0],
1204            sinit13[1],
1205            sinit13[2]);
1206     printf("sinit14=%s\n", sinit14);
1207
1208     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1209     printf("\n");
1210     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1211     printf("\n");
1212     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1213     printf("\n");
1214     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1215     printf("\n");
1216     printf("%d %d %d %d\n",
1217            linit16.a1,
1218            linit16.a2,
1219            linit16.a3,
1220            linit16.a4);
1221     /* test that initialisation is done after variable declare */
1222     printf("linit17=%d\n", linit17);
1223     printf("sinit15=%d\n", sinit15[0]);
1224     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1225     printf("sinit17=%s %d %s %d\n",
1226            sinit17[0].s, sinit17[0].len,
1227            sinit17[1].s, sinit17[1].len);
1228     for(i=0;i<10;i++)
1229         printf("%x ", sinit18[i]);
1230     printf("\n");
1231 }
1232
1233
1234 void switch_test()
1235 {
1236     int i;
1237
1238     for(i=0;i<15;i++) {
1239         switch(i) {
1240         case 0:
1241         case 1:
1242             printf("a");
1243             break;
1244         default:
1245             printf("%d", i);
1246             break;
1247         case 8 ... 12:
1248             printf("c");
1249             break;
1250         case 3:
1251             printf("b");
1252             break;
1253         }
1254     }
1255     printf("\n");
1256 }
1257
1258 /* ISOC99 _Bool type */
1259 void c99_bool_test(void)
1260 {
1261 #ifdef BOOL_ISOC99
1262     int a;
1263     _Bool b;
1264
1265     printf("bool_test:\n");
1266     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1267     a = 3;
1268     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1269     b = 3;
1270     printf("b = %d\n", b);
1271     b++;
1272     printf("b = %d\n", b);
1273 #endif
1274 }
1275
1276 void bitfield_test(void)
1277 {
1278     int a;
1279     struct sbf1 {
1280         int f1 : 3;
1281         int : 2;
1282         int f2 : 1;
1283         int : 0;
1284         int f3 : 5;
1285         int f4 : 7;
1286         unsigned int f5 : 7;
1287     } st1;
1288     printf("bitfield_test:");
1289     printf("sizeof(st1) = %d\n", sizeof(st1));
1290
1291     st1.f1 = 3;
1292     st1.f2 = 1;
1293     st1.f3 = 15;
1294     a = 120;
1295     st1.f4 = a;
1296     st1.f5 = a;
1297     st1.f5++;
1298     printf("%d %d %d %d %d\n",
1299            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1300 }
1301
1302 #define FTEST(prefix, type, fmt)\
1303 void prefix ## cmp(type a, type b)\
1304 {\
1305     printf("%d %d %d %d %d %d\n",\
1306            a == b,\
1307            a != b,\
1308            a < b,\
1309            a > b,\
1310            a >= b,\
1311            a <= b);\
1312     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1313            a,\
1314            b,\
1315            a + b,\
1316            a - b,\
1317            a * b,\
1318            a / b,\
1319            -a);\
1320     printf(fmt "\n", ++a);\
1321     printf(fmt "\n", a++);\
1322     printf(fmt "\n", a);\
1323 }\
1324 void prefix ## fcast(type a)\
1325 {\
1326     float fa;\
1327     double da;\
1328     long double la;\
1329     int ia;\
1330     unsigned int ua;\
1331     type b;\
1332     fa = a;\
1333     da = a;\
1334     la = a;\
1335     printf("ftof: %f %f %Lf\n", fa, da, la);\
1336     ia = (int)a;\
1337     ua = (unsigned int)a;\
1338     printf("ftoi: %d %u\n", ia, ua);\
1339     ia = -1234;\
1340     ua = 0x81234500;\
1341     b = ia;\
1342     printf("itof: " fmt "\n", b);\
1343     b = ua;\
1344     printf("utof: " fmt "\n", b);\
1345 }\
1346 \
1347 void prefix ## test(void)\
1348 {\
1349     printf("testing '%s'\n", #type);\
1350     prefix ## cmp(1, 2.5);\
1351     prefix ## cmp(2, 1.5);\
1352     prefix ## cmp(1, 1);\
1353     prefix ## fcast(234.6);\
1354     prefix ## fcast(-2334.6);\
1355 }
1356
1357 FTEST(f, float, "%f")
1358 FTEST(d, double, "%f")
1359 FTEST(ld, long double, "%Lf")
1360
1361 double ftab1[3] = { 1.2, 3.4, -5.6 };
1362
1363
1364 void float_test(void)
1365 {
1366     float fa, fb;
1367     double da, db;
1368     int a;
1369     unsigned int b;
1370
1371     printf("float_test:\n");
1372     printf("sizeof(float) = %d\n", sizeof(float));
1373     printf("sizeof(double) = %d\n", sizeof(double));
1374     printf("sizeof(long double) = %d\n", sizeof(long double));
1375     ftest();
1376     dtest();
1377     ldtest();
1378     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1379     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1380     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1381     da = 123;
1382     printf("da=%f\n", da);
1383     fa = 123;
1384     printf("fa=%f\n", fa);
1385     a = 4000000000;
1386     da = a;
1387     printf("da = %f\n", da);
1388     b = 4000000000;
1389     db = b;
1390     printf("db = %f\n", db);
1391 }
1392
1393 int fib(int n)
1394 {
1395     if (n <= 2)
1396         return 1;
1397     else
1398         return fib(n-1) + fib(n-2);
1399 }
1400
1401 void funcptr_test()
1402 {
1403     void (*func)(int);
1404     int a;
1405     struct {
1406         int dummy;
1407         void (*func)(int);
1408     } st1;
1409
1410     printf("funcptr:\n");
1411     func = &num;
1412     (*func)(12345);
1413     func = num;
1414     a = 1;
1415     a = 1;
1416     func(12345);
1417     /* more complicated pointer computation */
1418     st1.func = num;
1419     st1.func(12346);
1420     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1421     printf("sizeof2 = %d\n", sizeof funcptr_test);
1422     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1423     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1424 }
1425
1426 void lloptest(long long a, long long b)
1427 {
1428     unsigned long long ua, ub;
1429
1430     ua = a;
1431     ub = b;
1432     /* arith */
1433     printf("arith: %Ld %Ld %Ld\n",
1434            a + b,
1435            a - b,
1436            a * b);
1437
1438     if (b != 0) {
1439         printf("arith1: %Ld %Ld\n",
1440            a / b,
1441            a % b);
1442     }
1443
1444     /* binary */
1445     printf("bin: %Ld %Ld %Ld\n",
1446            a & b,
1447            a | b,
1448            a ^ b);
1449
1450     /* tests */
1451     printf("test: %d %d %d %d %d %d\n",
1452            a == b,
1453            a != b,
1454            a < b,
1455            a > b,
1456            a >= b,
1457            a <= b);
1458
1459     printf("utest: %d %d %d %d %d %d\n",
1460            ua == ub,
1461            ua != ub,
1462            ua < ub,
1463            ua > ub,
1464            ua >= ub,
1465            ua <= ub);
1466
1467     /* arith2 */
1468     a++;
1469     b++;
1470     printf("arith2: %Ld %Ld\n", a, b);
1471     printf("arith2: %Ld %Ld\n", a++, b++);
1472     printf("arith2: %Ld %Ld\n", --a, --b);
1473     printf("arith2: %Ld %Ld\n", a, b);
1474 }
1475
1476 void llshift(long long a, int b)
1477 {
1478     printf("shift: %Ld %Ld %Ld\n",
1479            (unsigned long long)a >> b,
1480            a >> b,
1481            a << b);
1482     printf("shiftc: %Ld %Ld %Ld\n",
1483            (unsigned long long)a >> 3,
1484            a >> 3,
1485            a << 3);
1486     printf("shiftc: %Ld %Ld %Ld\n",
1487            (unsigned long long)a >> 35,
1488            a >> 35,
1489            a << 35);
1490 }
1491
1492 void llfloat(void)
1493 {
1494     float fa;
1495     double da;
1496     long double lda;
1497     long long la, lb, lc;
1498     unsigned long long ula, ulb, ulc;
1499     la = 0x12345678;
1500     ula = 0x72345678;
1501     la = (la << 20) | 0x12345;
1502     ula = ula << 33;
1503     printf("la=%Ld ula=%Lu\n", la, ula);
1504
1505     fa = la;
1506     da = la;
1507     lda = la;
1508     printf("lltof: %f %f %Lf\n", fa, da, lda);
1509
1510     la = fa;
1511     lb = da;
1512     lc = lda;
1513     printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
1514
1515     fa = ula;
1516     da = ula;
1517     lda = ula;
1518     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1519
1520     ula = fa;
1521     ulb = da;
1522     ulc = lda;
1523     printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
1524 }
1525
1526 long long llfunc1(int a)
1527 {
1528     return a * 2;
1529 }
1530
1531 struct S {
1532     int id;
1533     char item;
1534 };
1535
1536 long long int value(struct S *v)
1537 {
1538     return ((long long int)v->item);
1539 }
1540
1541 void longlong_test(void)
1542 {
1543     long long a, b, c;
1544     int ia;
1545     unsigned int ua;
1546     printf("longlong_test:\n");
1547     printf("sizeof(long long) = %d\n", sizeof(long long));
1548     ia = -1;
1549     ua = -2;
1550     a = ia;
1551     b = ua;
1552     printf("%Ld %Ld\n", a, b);
1553     printf("%Ld %Ld %Ld %Lx\n",
1554            (long long)1,
1555            (long long)-2,
1556            1LL,
1557            0x1234567812345679);
1558     a = llfunc1(-3);
1559     printf("%Ld\n", a);
1560
1561     lloptest(1000, 23);
1562     lloptest(0xff, 0x1234);
1563     b = 0x72345678 << 10;
1564     lloptest(-3, b);
1565     llshift(0x123, 5);
1566     llshift(-23, 5);
1567     b = 0x72345678LL << 10;
1568     llshift(b, 47);
1569
1570     llfloat();
1571 #if 1
1572     b = 0x12345678;
1573     a = -1;
1574     c = a + b;
1575     printf("%Lx\n", c);
1576 #endif
1577
1578     /* long long reg spill test */
1579     {
1580           struct S a;
1581
1582           a.item = 3;
1583           printf("%lld\n", value(&a));
1584     }
1585     lloptest(0x80000000, 0);
1586 }
1587
1588 void vprintf1(const char *fmt, ...)
1589 {
1590     va_list ap;
1591     const char *p;
1592     int c, i;
1593     double d;
1594     long long ll;
1595
1596     va_start(ap, fmt);
1597
1598     p = fmt;
1599     for(;;) {
1600         c = *p;
1601         if (c == '\0')
1602             break;
1603         p++;
1604         if (c == '%') {
1605             c = *p;
1606             switch(c) {
1607             case '\0':
1608                 goto the_end;
1609             case 'd':
1610                 i = va_arg(ap, int);
1611                 printf("%d", i);
1612                 break;
1613             case 'f':
1614                 d = va_arg(ap, double);
1615                 printf("%f", d);
1616                 break;
1617             case 'l':
1618                 ll = va_arg(ap, long long);
1619                 printf("%Ld", ll);
1620                 break;
1621             }
1622             p++;
1623         } else {
1624             putchar(c);
1625         }
1626     }
1627  the_end:
1628     va_end(ap);
1629 }
1630
1631
1632 void stdarg_test(void)
1633 {
1634     vprintf1("%d %d %d\n", 1, 2, 3);
1635     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
1636     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
1637 }
1638
1639 void whitespace_test(void)
1640 {
1641     char *str;
1642
1643 \f\v
#if 1
1644     pri\
1645 ntf("whitspace:\n");\f\v
1646 #endif
1647     pf("N=%d\n", 2);
1648
1649 #ifdef CORRECT_CR_HANDLING
1650     pri\
1651 ntf("aaa=%d\n", 3);
1652 #endif
1653
1654     pri\
1655 \
1656 ntf("min=%d\n", 4);
1657     printf("len1=%d\n", strlen("
1658 "));
1659 #ifdef CORRECT_CR_HANDLING
1660     str = "
1661 ";
1662     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
1663 #endif
1664     printf("len1=%d\n", strlen("
a
1665 "));
1666 }
1667
1668 int reltab[3] = { 1, 2, 3 };
1669
1670 int *rel1 = &reltab[1];
1671 int *rel2 = &reltab[2];
1672
1673 void relocation_test(void)
1674 {
1675     printf("*rel1=%d\n", *rel1);
1676     printf("*rel2=%d\n", *rel2);
1677 }
1678
1679 void old_style_f(a,b,c)
1680      int a, b;
1681      double c;
1682 {
1683     printf("a=%d b=%d b=%f\n", a, b, c);
1684 }
1685
1686 void decl_func1(int cmpfn())
1687 {
1688     printf("cmpfn=%lx\n", (long)cmpfn);
1689 }
1690
1691 void decl_func2(cmpfn)
1692 int cmpfn();
1693 {
1694     printf("cmpfn=%lx\n", (long)cmpfn);
1695 }
1696
1697 void old_style_function(void)
1698 {
1699     old_style_f((void *)1, 2, 3.0);
1700     decl_func1(NULL);
1701     decl_func2(NULL);
1702 }
1703
1704 void sizeof_test(void)
1705 {
1706     int a;
1707     int **ptr;
1708
1709     printf("sizeof(int) = %d\n", sizeof(int));
1710     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
1711     printf("sizeof(short) = %d\n", sizeof(short));
1712     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
1713     printf("sizeof(char) = %d\n", sizeof(char));
1714     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
1715     printf("sizeof(func) = %d\n", sizeof sizeof_test());
1716     a = 1;
1717     printf("sizeof(a++) = %d\n", sizeof a++);
1718     printf("a=%d\n", a);
1719     ptr = NULL;
1720     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
1721
1722     /* some alignof tests */
1723     printf("__alignof__(int) = %d\n", __alignof__(int));
1724     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
1725     printf("__alignof__(short) = %d\n", __alignof__(short));
1726     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
1727     printf("__alignof__(char) = %d\n", __alignof__(char));
1728     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
1729     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
1730 }
1731
1732 void typeof_test(void)
1733 {
1734     double a;
1735     typeof(a) b;
1736     typeof(float) c;
1737
1738     a = 1.5;
1739     b = 2.5;
1740     c = 3.5;
1741     printf("a=%f b=%f c=%f\n", a, b, c);
1742 }
1743
1744 void statement_expr_test(void)
1745 {
1746     int a, i;
1747
1748     a = 0;
1749     for(i=0;i<10;i++) {
1750         a += 1 +
1751             ( { int b, j;
1752                 b = 0;
1753                 for(j=0;j<5;j++)
1754                     b += j; b;
1755             } );
1756     }
1757     printf("a=%d\n", a);
1758
1759 }
1760
1761 void local_label_test(void)
1762 {
1763     int a;
1764     goto l1;
1765  l2:
1766     a = 1 + ({
1767         __label__ l1, l2, l3;
1768         goto l4;
1769     l5:
1770         printf("aa1\n");
1771         goto l1;
1772     l2:
1773         printf("aa3\n");
1774         goto l3;
1775     l1:
1776         printf("aa2\n");
1777         goto l2;
1778     l3:;
1779         1;
1780     });
1781     printf("a=%d\n", a);
1782     return;
1783  l1:
1784     printf("bb1\n");
1785     goto l2;
1786  l4:
1787     printf("bb2\n");
1788     goto l5;
1789 }
1790
1791 /* inline assembler test */
1792 #ifdef __i386__
1793
1794 /* from linux kernel */
1795 static char * strncat1(char * dest,const char * src,size_t count)
1796 {
1797 int d0, d1, d2, d3;
1798 __asm__ __volatile__(
1799         "repne\n\t"
1800         "scasb\n\t"
1801         "decl %1\n\t"
1802         "movl %8,%3\n"
1803         "1:\tdecl %3\n\t"
1804         "js 2f\n\t"
1805         "lodsb\n\t"
1806         "stosb\n\t"
1807         "testb %%al,%%al\n\t"
1808         "jne 1b\n"
1809         "2:\txorl %2,%2\n\t"
1810         "stosb"
1811         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
1812         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
1813         : "memory");
1814 return dest;
1815 }
1816
1817 static inline void * memcpy1(void * to, const void * from, size_t n)
1818 {
1819 int d0, d1, d2;
1820 __asm__ __volatile__(
1821         "rep ; movsl\n\t"
1822         "testb $2,%b4\n\t"
1823         "je 1f\n\t"
1824         "movsw\n"
1825         "1:\ttestb $1,%b4\n\t"
1826         "je 2f\n\t"
1827         "movsb\n"
1828         "2:"
1829         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
1830         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
1831         : "memory");
1832 return (to);
1833 }
1834
1835 static __inline__ void sigaddset1(unsigned int *set, int _sig)
1836 {
1837         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
1838 }
1839
1840 static __inline__ void sigdelset1(unsigned int *set, int _sig)
1841 {
1842         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
1843 }
1844
1845 static __inline__ __const__ unsigned int swab32(unsigned int x)
1846 {
1847         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
1848                 "rorl $16,%0\n\t"       /* swap words           */
1849                 "xchgb %b0,%h0"         /* swap higher bytes    */
1850                 :"=q" (x)
1851                 : "0" (x));
1852         return x;
1853 }
1854
1855 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
1856 {
1857     unsigned long long res;
1858     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
1859     return res;
1860 }
1861
1862 static __inline__ unsigned long long inc64(unsigned long long a)
1863 {
1864     unsigned long long res;
1865     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
1866     return res;
1867 }
1868
1869 unsigned int set;
1870
1871 void asm_test(void)
1872 {
1873     char buf[128];
1874     unsigned int val;
1875
1876     printf("inline asm:\n");
1877     /* test the no operand case */
1878     asm volatile ("xorl %eax, %eax");
1879
1880     memcpy1(buf, "hello", 6);
1881     strncat1(buf, " worldXXXXX", 3);
1882     printf("%s\n", buf);
1883
1884     /* 'A' constraint test */
1885     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
1886     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
1887
1888     set = 0xff;
1889     sigdelset1(&set, 2);
1890     sigaddset1(&set, 16);
1891     /* NOTE: we test here if C labels are correctly restored after the
1892        asm statement */
1893     goto label1;
1894  label2:
1895     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
1896     printf("set=0x%x\n", set);
1897     val = 0x01020304;
1898     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
1899     return;
1900  label1:
1901     goto label2;
1902 }
1903
1904 #else
1905
1906 void asm_test(void)
1907 {
1908 }
1909
1910 #endif
1911
1912 #define COMPAT_TYPE(type1, type2) \
1913 {\
1914     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
1915            __builtin_types_compatible_p (type1, type2));\
1916 }
1917
1918 int constant_p_var;
1919
1920 void builtin_test(void)
1921 {
1922 #if GCC_MAJOR >= 3
1923     COMPAT_TYPE(int, int);
1924     COMPAT_TYPE(int, unsigned int);
1925     COMPAT_TYPE(int, char);
1926     COMPAT_TYPE(int, const int);
1927     COMPAT_TYPE(int, volatile int);
1928     COMPAT_TYPE(int *, int *);
1929     COMPAT_TYPE(int *, void *);
1930     COMPAT_TYPE(int *, const int *);
1931     COMPAT_TYPE(char *, unsigned char *);
1932 /* space is needed because tcc preprocessor introduces a space between each token */
1933     COMPAT_TYPE(char * *, void *);
1934 #endif
1935     printf("res = %d\n", __builtin_constant_p(1));
1936     printf("res = %d\n", __builtin_constant_p(1 + 2));
1937     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
1938     printf("res = %d\n", __builtin_constant_p(constant_p_var));
1939 }