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 #if defined(_WIN32)
  20 #define LONG_LONG_FORMAT "%lld"
  21 #define ULONG_LONG_FORMAT "%llu"
  22 #else
  23 #define LONG_LONG_FORMAT "%Ld"
  24 #define ULONG_LONG_FORMAT "%Lu"
  25 #endif
  26
  27 // MinGW has 80-bit rather than 64-bit long double which isn't compatible with TCC or MSVC
  28 #if defined(_WIN32) && defined(__GNUC__)
  29 #define LONG_DOUBLE double
  30 #define LONG_DOUBLE_LITERAL(x) x
  31 #else
  32 #define LONG_DOUBLE long double
  33 #define LONG_DOUBLE_LITERAL(x) x ## L
  34 #endif
  35
  36 /* deprecated and no longer supported in gcc 3.3 */
  37 //#define ACCEPT_CR_IN_STRINGS
  38
  39 /* __VA_ARGS__ and __func__ support */
  40 #define C99_MACROS
  41
  42 /* test various include syntaxes */
  43
  44 #define TCCLIB_INC <tcclib.h>
  45 #define TCCLIB_INC1 <tcclib
  46 #define TCCLIB_INC2 h>
  47 #define TCCLIB_INC3 "tcclib"
  48
  49 #include TCCLIB_INC
  50
  51 #include TCCLIB_INC1.TCCLIB_INC2
  52
  53 #include TCCLIB_INC1.h>
  54
  55 /* gcc 3.2 does not accept that (bug ?) */
  56 //#include TCCLIB_INC3 ".h"
  57
  58 #include <tcclib.h>
  59
  60 #include "tcclib.h"
  61
  62 void intdiv_test();
  63 void string_test();
  64 void expr_test();
  65 void macro_test();
  66 void recursive_macro_test();
  67 void scope_test();
  68 void forward_test();
  69 void funcptr_test();
  70 void loop_test();
  71 void switch_test();
  72 void goto_test();
  73 void enum_test();
  74 void typedef_test();
  75 void struct_test();
  76 void array_test();
  77 void expr_ptr_test();
  78 void bool_test();
  79 void expr2_test();
  80 void constant_expr_test();
  81 void expr_cmp_test();
  82 void char_short_test();
  83 void init_test(void);
  84 void compound_literal_test(void);
  85 int kr_test();
  86 void struct_assign_test(void);
  87 void cast_test(void);
  88 void bitfield_test(void);
  89 void c99_bool_test(void);
  90 void float_test(void);
  91 void longlong_test(void);
  92 void manyarg_test(void);
  93 void stdarg_test(void);
  94 void whitespace_test(void);
  95 void relocation_test(void);
  96 void old_style_function(void);
  97 void alloca_test(void);
  98 void c99_vla_test(int size1, int size2);
  99 void sizeof_test(void);
 100 void typeof_test(void);
 101 void local_label_test(void);
 102 void statement_expr_test(void);
 103 void asm_test(void);
 104 void builtin_test(void);
 105 void weak_test(void);
 106 void global_data_test(void);
 107 void cmp_comparison_test(void);
 108 void math_cmp_test(void);
 109 void callsave_test(void);
 110 void builtin_frame_address_test(void);
 111
 112 int fib(int n);
 113 void num(int n);
 114 void forward_ref(void);
 115 int isid(int c);
 116
 117 #define A 2
 118 #define N 1234 + A
 119 #define pf printf
 120 #define M1(a, b)  (a) + (b)
 121
 122 #define str\
 123 (s) # s
 124 #define glue(a, b) a ## b
 125 #define xglue(a, b) glue(a, b)
 126 #define HIGHLOW "hello"
 127 #define LOW LOW ", world"
 128
 129 static int onetwothree = 123;
 130 #define onetwothree4 onetwothree
 131 #define onetwothree xglue(onetwothree,4)
 132
 133 #define min(a, b) ((a) < (b) ? (a) : (b))
 134
 135 #ifdef C99_MACROS
 136 #define dprintf(level,...) printf(__VA_ARGS__)
 137 #endif
 138
 139 /* gcc vararg macros */
 140 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
 141
 142 #define MACRO_NOARGS()
 143
 144 #define AAA 3
 145 #undef AAA
 146 #define AAA 4
 147
 148 #if 1
 149 #define B3 1
 150 #elif 1
 151 #define B3 2
 152 #elif 0
 153 #define B3 3
 154 #else
 155 #define B3 4
 156 #endif
 157
 158 #define __INT64_C(c)    c ## LL
 159 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 160
 161 int qq(int x)
 162 {
 163     return x + 40;
 164 }
 165 #define qq(x) x
 166
 167 #define spin_lock(lock) do { } while (0)
 168 #define wq_spin_lock spin_lock
 169 #define TEST2() wq_spin_lock(a)
 170
 171 #define UINT_MAX ((unsigned) -1)
 172
 173 void intdiv_test(void)
 174 {
 175     printf("18/21=%u\n", 18/21);
 176     printf("18%21=%u\n", 18%21);
 177     printf("41/21=%u\n", 41/21);
 178     printf("41%21=%u\n", 41%21);
 179     printf("42/21=%u\n", 42/21);
 180     printf("42%21=%u\n", 42%21);
 181     printf("43/21=%u\n", 43/21);
 182     printf("43%21=%u\n", 43%21);
 183     printf("126/21=%u\n", 126/21);
 184     printf("12%/21=%u\n", 126%21);
 185     printf("131/21=%u\n", 131/21);
 186     printf("131%21=%u\n", 131%21);
 187     printf("(UINT_MAX/2+3)/2=%u\n", (UINT_MAX/2+3)/2);
 188     printf("(UINT_MAX/2+3)%2=%u\n", (UINT_MAX/2+3)%2);
 189
 190     printf("18/-21=%u\n", 18/-21);
 191     printf("18%-21=%u\n", 18%-21);
 192     printf("41/-21=%u\n", 41/-21);
 193     printf("41%-21=%u\n", 41%-21);
 194     printf("42/-21=%u\n", 42/-21);
 195     printf("42%-21=%u\n", 42%-21);
 196     printf("43/-21=%u\n", 43/-21);
 197     printf("43%-21=%u\n", 43%-21);
 198     printf("126/-21=%u\n", 126/-21);
 199     printf("12%/-21=%u\n", 126%-21);
 200     printf("131/-21=%u\n", 131/-21);
 201     printf("131%-21=%u\n", 131%-21);
 202     printf("(UINT_MAX/2+3)/-2=%u\n", (UINT_MAX/2+3)/-2);
 203     printf("(UINT_MAX/2+3)%-2=%u\n", (UINT_MAX/2+3)%-2);
 204
 205     printf("-18/21=%u\n", -18/21);
 206     printf("-18%21=%u\n", -18%21);
 207     printf("-41/21=%u\n", -41/21);
 208     printf("-41%21=%u\n", -41%21);
 209     printf("-42/21=%u\n", -42/21);
 210     printf("-42%21=%u\n", -42%21);
 211     printf("-43/21=%u\n", -43/21);
 212     printf("-43%21=%u\n", -43%21);
 213     printf("-126/21=%u\n", -126/21);
 214     printf("-12%/21=%u\n", -126%21);
 215     printf("-131/21=%u\n", -131/21);
 216     printf("-131%21=%u\n", -131%21);
 217     printf("-(UINT_MAX/2+3)/2=%u\n", (0-(UINT_MAX/2+3))/2);
 218     printf("-(UINT_MAX/2+3)%2=%u\n", (0-(UINT_MAX/2+3))%2);
 219
 220     printf("-18/-21=%u\n", -18/-21);
 221     printf("-18%-21=%u\n", -18%-21);
 222     printf("-41/-21=%u\n", -41/-21);
 223     printf("-41%-21=%u\n", -41%-21);
 224     printf("-42/-21=%u\n", -42/-21);
 225     printf("-42%-21=%u\n", -42%-21);
 226     printf("-43/-21=%u\n", -43/-21);
 227     printf("-43%-21=%u\n", -43%-21);
 228     printf("-126/-21=%u\n", -126/-21);
 229     printf("-12%/-21=%u\n", -126%-21);
 230     printf("-131/-21=%u\n", -131/-21);
 231     printf("-131%-21=%u\n", -131%-21);
 232     printf("-(UINT_MAX/2+3)/-2=%u\n", (0-(UINT_MAX/2+3))/-2);
 233     printf("-(UINT_MAX/2+3)%-2=%u\n", (0-(UINT_MAX/2+3))%-2);
 234 }
 235
 236 void macro_test(void)
 237 {
 238     printf("macro:\n");\f\v
 239     pf("N=%d\n", N);
 240     printf("aaa=%d\n", AAA);
 241
 242     printf("min=%d\n", min(1, min(2, -1)));
 243
 244     printf("s1=%s\n", glue(HIGH, LOW));
 245     printf("s2=%s\n", xglue(HIGH, LOW));
 246     printf("s3=%s\n", str("c"));
 247     printf("s4=%s\n", str(a1));
 248     printf("B3=%d\n", B3);
 249
 250     printf("onetwothree=%d\n", onetwothree);
 251
 252 #ifdef A
 253     printf("A defined\n");
 254 #endif
 255 #ifdef B
 256     printf("B defined\n");
 257 #endif
 258 #ifdef A
 259     printf("A defined\n");
 260 #else
 261     printf("A not defined\n");
 262 #endif
 263 #ifdef B
 264     printf("B defined\n");
 265 #else
 266     printf("B not defined\n");
 267 #endif
 268
 269 #ifdef A
 270     printf("A defined\n");
 271 #ifdef B
 272     printf("B1 defined\n");
 273 #else
 274     printf("B1 not defined\n");
 275 #endif
 276 #else
 277     printf("A not defined\n");
 278 #ifdef B
 279     printf("B2 defined\n");
 280 #else
 281     printf("B2 not defined\n");
 282 #endif
 283 #endif
 284
 285 #if 1+1
 286     printf("test true1\n");
 287 #endif
 288 #if 0
 289     printf("test true2\n");
 290 #endif
 291 #if 1-1
 292     printf("test true3\n");
 293 #endif
 294 #if defined(A)
 295     printf("test trueA\n");
 296 #endif
 297 #if defined(B)
 298     printf("test trueB\n");
 299 #endif
 300
 301 #if 0
 302     printf("test 0\n");
 303 #elif 0
 304     printf("test 1\n");
 305 #elif 2
 306     printf("test 2\n");
 307 #else
 308     printf("test 3\n");
 309 #endif
 310
 311     MACRO_NOARGS();
 312
 313 #ifdef __LINE__
 314     printf("__LINE__ defined\n");
 315 #endif
 316
 317     printf("__LINE__=%d __FILE__=%s\n",
 318            __LINE__, __FILE__);
 319 #if 0
 320 #line 200
 321     printf("__LINE__=%d __FILE__=%s\n",
 322            __LINE__, __FILE__);
 323 #line 203 "test"
 324     printf("__LINE__=%d __FILE__=%s\n",
 325            __LINE__, __FILE__);
 326 #line 227 "tcctest.c"
 327 #endif
 328
 329     /* not strictly preprocessor, but we test it there */
 330 #ifdef C99_MACROS
 331     printf("__func__ = %s\n", __func__);
 332     dprintf(1, "vaarg=%d\n", 1);
 333 #endif
 334     dprintf1(1, "vaarg1\n");
 335     dprintf1(1, "vaarg1=%d\n", 2);
 336     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 337
 338     /* gcc extension */
 339     printf("func='%s'\n", __FUNCTION__);
 340
 341     /* complicated macros in glibc */
 342     printf("INT64_MIN=" LONG_LONG_FORMAT "\n", INT64_MIN);
 343     {
 344         int a;
 345         a = 1;
 346         glue(a+, +);
 347         printf("a=%d\n", a);
 348         glue(a <, <= 2);
 349         printf("a=%d\n", a);
 350     }
 351
 352     /* macro function with argument outside the macro string */
 353 #define MF_s MF_hello
 354 #define MF_hello(msg) printf("%s\n",msg)
 355
 356 #define MF_t printf("tralala\n"); MF_hello
 357
 358     MF_s("hi");
 359     MF_t("hi");
 360
 361     /* test macro substituion inside args (should not eat stream) */
 362     printf("qq=%d\n", qq(qq)(2));
 363
 364     /* test zero argument case. NOTE: gcc 2.95.x does not accept a
 365        null argument without a space. gcc 3.2 fixes that. */
 366
 367 #define qq1(x) 1
 368     printf("qq1=%d\n", qq1( ));
 369
 370     /* comment with stray handling *\
 371 /
 372        /* this is a valid *\/ comment */
 373        /* this is a valid comment *\*/
 374     //  this is a valid\
 375 comment
 376
 377     /* test function macro substitution when the function name is
 378        substituted */
 379     TEST2();
 380
 381     /* And again when the name and parenthes are separated by a
 382        comment.  */
 383     TEST2 /* the comment */ ();
 384 }
 385
 386
 387 static void print_num(char *fn, int line, int num) {
 388     printf("fn %s, line %d, num %d\n", fn, line, num);
 389 }
 390
 391 void recursive_macro_test(void)
 392 {
 393
 394 #define ELF32_ST_TYPE(val)              ((val) & 0xf)
 395 #define ELF32_ST_INFO(bind, type)       (((bind) << 4) + ((type) & 0xf))
 396 #define STB_WEAK        2               /* Weak symbol */
 397 #define ELFW(type) ELF##32##_##type
 398     printf("%d\n", ELFW(ST_INFO)(STB_WEAK, ELFW(ST_TYPE)(123)));
 399
 400 #define WRAP(x) x
 401
 402 #define print_num(x) print_num(__FILE__,__LINE__,x)
 403     print_num(123);
 404     WRAP(print_num(123));
 405     WRAP(WRAP(print_num(123)));
 406
 407 static struct recursive_macro { int rm_field; } G;
 408 #define rm_field (G.rm_field)
 409     printf("rm_field = %d\n", rm_field);
 410     printf("rm_field = %d\n", WRAP(rm_field));
 411     WRAP((printf("rm_field = %d %d\n", rm_field, WRAP(rm_field))));
 412 }
 413
 414 int op(a,b)
 415 {
 416     return a / b;
 417 }
 418
 419 int ret(a)
 420 {
 421     if (a == 2)
 422         return 1;
 423     if (a == 3)
 424         return 2;
 425     return 0;
 426 }
 427
 428 void ps(const char *s)
 429 {
 430     int c;
 431     while (1) {
 432         c = *s;
 433         if (c == 0)
 434             break;
 435         printf("%c", c);
 436         s++;
 437     }
 438 }
 439
 440 const char foo1_string[] = "\
 441 bar\n\
 442 test\14\
 443 1";
 444
 445 void string_test()
 446 {
 447     unsigned int b;
 448     printf("string:\n");
 449     printf("\141\1423\143\n");/* dezdez test */
 450     printf("\x41\x42\x43\x3a\n");
 451     printf("c=%c\n", 'r');
 452     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 453     printf("foo1_string='%s'\n", foo1_string);
 454 #if 0
 455     printf("wstring=%S\n", L"abc");
 456     printf("wstring=%S\n", L"abc" L"def" "ghi");
 457     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 458     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 459 #endif
 460     ps("test\n");
 461     b = 32;
 462     while ((b = b + 1) < 96) {
 463         printf("%c", b);
 464     }
 465     printf("\n");
 466     printf("fib=%d\n", fib(33));
 467     b = 262144;
 468     while (b != 0x80000000) {
 469         num(b);
 470         b = b * 2;
 471     }
 472 }
 473
 474 void loop_test()
 475 {
 476     int i;
 477     i = 0;
 478     while (i < 10)
 479         printf("%d", i++);
 480     printf("\n");
 481     for(i = 0; i < 10;i++)
 482         printf("%d", i);
 483     printf("\n");
 484     i = 0;
 485     do {
 486         printf("%d", i++);
 487     } while (i < 10);
 488     printf("\n");
 489
 490     char count = 123;
 491     /* c99 for loop init test */
 492     for (size_t count = 1; count < 3; count++)
 493         printf("count=%d\n", count);
 494     printf("count = %d\n", count);
 495
 496     /* break/continue tests */
 497     i = 0;
 498     while (1) {
 499         if (i == 6)
 500             break;
 501         i++;
 502         if (i == 3)
 503             continue;
 504         printf("%d", i);
 505     }
 506     printf("\n");
 507
 508     /* break/continue tests */
 509     i = 0;
 510     do {
 511         if (i == 6)
 512             break;
 513         i++;
 514         if (i == 3)
 515             continue;
 516         printf("%d", i);
 517     } while(1);
 518     printf("\n");
 519
 520     for(i = 0;i < 10;i++) {
 521         if (i == 3)
 522             continue;
 523         printf("%d", i);
 524     }
 525     printf("\n");
 526 }
 527
 528 typedef int typedef_and_label;
 529
 530 void goto_test()
 531 {
 532     int i;
 533     static void *label_table[3] = { &&label1, &&label2, &&label3 };
 534
 535     printf("goto:\n");
 536     i = 0;
 537     /* This needs to parse as label, not as start of decl.  */
 538  typedef_and_label:
 539  s_loop:
 540     if (i >= 10)
 541         goto s_end;
 542     printf("%d", i);
 543     i++;
 544     goto s_loop;
 545  s_end:
 546     printf("\n");
 547
 548     /* we also test computed gotos (GCC extension) */
 549     for(i=0;i<3;i++) {
 550         goto *label_table[i];
 551     label1:
 552         printf("label1\n");
 553         goto next;
 554     label2:
 555         printf("label2\n");
 556         goto next;
 557     label3:
 558         printf("label3\n");
 559     next: ;
 560     }
 561 }
 562
 563 enum {
 564     E0,
 565     E1 = 2,
 566     E2 = 4,
 567     E3,
 568     E4,
 569 };
 570
 571 enum test {
 572     E5 = 1000,
 573 };
 574
 575 void enum_test()
 576 {
 577     enum test b1;
 578     printf("enum:\n%d %d %d %d %d %d\n",
 579            E0, E1, E2, E3, E4, E5);
 580     b1 = 1;
 581     printf("b1=%d\n", b1);
 582 }
 583
 584 typedef int *my_ptr;
 585
 586 typedef int mytype1;
 587 typedef int mytype2;
 588
 589 void typedef_test()
 590 {
 591     my_ptr a;
 592     mytype1 mytype2;
 593     int b;
 594
 595     a = &b;
 596     *a = 1234;
 597     printf("typedef:\n");
 598     printf("a=%d\n", *a);
 599     mytype2 = 2;
 600     printf("mytype2=%d\n", mytype2);
 601 }
 602
 603 void forward_test()
 604 {
 605     printf("forward:\n");
 606     forward_ref();
 607     forward_ref();
 608 }
 609
 610
 611 void forward_ref(void)
 612 {
 613     printf("forward ok\n");
 614 }
 615
 616 typedef struct struct1 {
 617     int f1;
 618     int f2, f3;
 619     union union1 {
 620         int v1;
 621         int v2;
 622     } u;
 623     char str[3];
 624 } struct1;
 625
 626 struct struct2 {
 627     int a;
 628     char b;
 629 };
 630
 631 union union2 {
 632     int w1;
 633     int w2;
 634 };
 635
 636 struct struct1 st1, st2;
 637
 638 int main(int argc, char **argv)
 639 {
 640     string_test();
 641     expr_test();
 642     macro_test();
 643     recursive_macro_test();
 644     scope_test();
 645     forward_test();
 646     funcptr_test();
 647     loop_test();
 648     switch_test();
 649     goto_test();
 650     enum_test();
 651     typedef_test();
 652     struct_test();
 653     array_test();
 654     expr_ptr_test();
 655     bool_test();
 656     expr2_test();
 657     constant_expr_test();
 658     expr_cmp_test();
 659     char_short_test();
 660     init_test();
 661     compound_literal_test();
 662     kr_test();
 663     struct_assign_test();
 664     cast_test();
 665     bitfield_test();
 666     c99_bool_test();
 667     float_test();
 668     longlong_test();
 669     manyarg_test();
 670     stdarg_test();
 671     whitespace_test();
 672     relocation_test();
 673     old_style_function();
 674     alloca_test();
 675     c99_vla_test(5, 2);
 676     sizeof_test();
 677     typeof_test();
 678     statement_expr_test();
 679     local_label_test();
 680     asm_test();
 681     builtin_test();
 682 #ifndef _WIN32
 683     weak_test();
 684 #endif
 685     global_data_test();
 686     cmp_comparison_test();
 687     math_cmp_test();
 688     callsave_test();
 689     builtin_frame_address_test();
 690     intdiv_test();
 691     return 0;
 692 }
 693
 694 int tab[3];
 695 int tab2[3][2];
 696
 697 int g;
 698
 699 void f1(g)
 700 {
 701     printf("g1=%d\n", g);
 702 }
 703
 704 void scope_test()
 705 {
 706     printf("scope:\n");
 707     g = 2;
 708     f1(1);
 709     printf("g2=%d\n", g);
 710     {
 711         int g;
 712         g = 3;
 713         printf("g3=%d\n", g);
 714         {
 715             int g;
 716             g = 4;
 717             printf("g4=%d\n", g);
 718         }
 719     }
 720     printf("g5=%d\n", g);
 721 }
 722
 723 void array_test()
 724 {
 725     int i, j, a[4];
 726
 727     printf("array:\n");
 728     printf("sizeof(a) = %d\n", sizeof(a));
 729     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 730 #ifdef C99_MACROS
 731     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 732 #endif
 733     printf("sizeof tab %d\n", sizeof(tab));
 734     printf("sizeof tab2 %d\n", sizeof tab2);
 735     tab[0] = 1;
 736     tab[1] = 2;
 737     tab[2] = 3;
 738     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 739     for(i=0;i<3;i++)
 740         for(j=0;j<2;j++)
 741             tab2[i][j] = 10 * i + j;
 742     for(i=0;i<3*2;i++) {
 743         printf(" %3d", ((int *)tab2)[i]);
 744     }
 745     printf("\n");
 746     printf("sizeof(size_t)=%d\n", sizeof(size_t));
 747     printf("sizeof(ptrdiff_t)=%d\n", sizeof(ptrdiff_t));
 748 }
 749
 750 void expr_test()
 751 {
 752     int a, b;
 753     a = 0;
 754     printf("%d\n", a += 1);
 755     printf("%d\n", a -= 2);
 756     printf("%d\n", a *= 31232132);
 757     printf("%d\n", a /= 4);
 758     printf("%d\n", a %= 20);
 759     printf("%d\n", a &= 6);
 760     printf("%d\n", a ^= 7);
 761     printf("%d\n", a |= 8);
 762     printf("%d\n", a >>= 3);
 763     printf("%d\n", a <<= 4);
 764
 765     a = 22321;
 766     b = -22321;
 767     printf("%d\n", a + 1);
 768     printf("%d\n", a - 2);
 769     printf("%d\n", a * 312);
 770     printf("%d\n", a / 4);
 771     printf("%d\n", b / 4);
 772     printf("%d\n", (unsigned)b / 4);
 773     printf("%d\n", a % 20);
 774     printf("%d\n", b % 20);
 775     printf("%d\n", (unsigned)b % 20);
 776     printf("%d\n", a & 6);
 777     printf("%d\n", a ^ 7);
 778     printf("%d\n", a | 8);
 779     printf("%d\n", a >> 3);
 780     printf("%d\n", b >> 3);
 781     printf("%d\n", (unsigned)b >> 3);
 782     printf("%d\n", a << 4);
 783     printf("%d\n", ~a);
 784     printf("%d\n", -a);
 785     printf("%d\n", +a);
 786
 787     printf("%d\n", 12 + 1);
 788     printf("%d\n", 12 - 2);
 789     printf("%d\n", 12 * 312);
 790     printf("%d\n", 12 / 4);
 791     printf("%d\n", 12 % 20);
 792     printf("%d\n", 12 & 6);
 793     printf("%d\n", 12 ^ 7);
 794     printf("%d\n", 12 | 8);
 795     printf("%d\n", 12 >> 2);
 796     printf("%d\n", 12 << 4);
 797     printf("%d\n", ~12);
 798     printf("%d\n", -12);
 799     printf("%d\n", +12);
 800     printf("%d %d %d %d\n",
 801            isid('a'),
 802            isid('g'),
 803            isid('T'),
 804            isid('('));
 805 }
 806
 807 int isid(int c)
 808 {
 809     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 810 }
 811
 812 /**********************/
 813
 814 int vstack[10], *vstack_ptr;
 815
 816 void vpush(int vt, int vc)
 817 {
 818     *vstack_ptr++ = vt;
 819     *vstack_ptr++ = vc;
 820 }
 821
 822 void vpop(int *ft, int *fc)
 823 {
 824     *fc = *--vstack_ptr;
 825     *ft = *--vstack_ptr;
 826 }
 827
 828 void expr2_test()
 829 {
 830     int a, b;
 831
 832     printf("expr2:\n");
 833     vstack_ptr = vstack;
 834     vpush(1432432, 2);
 835     vstack_ptr[-2] &= ~0xffffff80;
 836     vpop(&a, &b);
 837     printf("res= %d %d\n", a, b);
 838 }
 839
 840 void constant_expr_test()
 841 {
 842     int a;
 843     printf("constant_expr:\n");
 844     a = 3;
 845     printf("%d\n", a * 16);
 846     printf("%d\n", a * 1);
 847     printf("%d\n", a + 0);
 848 }
 849
 850 int tab4[10];
 851
 852 void expr_ptr_test()
 853 {
 854     int *p, *q;
 855     int i = -1;
 856
 857     printf("expr_ptr:\n");
 858     p = tab4;
 859     q = tab4 + 10;
 860     printf("diff=%d\n", q - p);
 861     p++;
 862     printf("inc=%d\n", p - tab4);
 863     p--;
 864     printf("dec=%d\n", p - tab4);
 865     ++p;
 866     printf("inc=%d\n", p - tab4);
 867     --p;
 868     printf("dec=%d\n", p - tab4);
 869     printf("add=%d\n", p + 3 - tab4);
 870     printf("add=%d\n", 3 + p - tab4);
 871
 872     /* check if 64bit support is ok */
 873     q = p = 0;
 874     q += i;
 875     printf("%p %p %ld\n", q, p, p-q);
 876     printf("%d %d %d %d %d %d\n",
 877            p == q, p != q, p < q, p <= q, p >= q, p > q);
 878     i = 0xf0000000;
 879     p += i;
 880     printf("%p %p %ld\n", q, p, p-q);
 881     printf("%d %d %d %d %d %d\n",
 882            p == q, p != q, p < q, p <= q, p >= q, p > q);
 883     p = (int *)((char *)p + 0xf0000000);
 884     printf("%p %p %ld\n", q, p, p-q);
 885     printf("%d %d %d %d %d %d\n",
 886            p == q, p != q, p < q, p <= q, p >= q, p > q);
 887     p += 0xf0000000;
 888     printf("%p %p %ld\n", q, p, p-q);
 889     printf("%d %d %d %d %d %d\n",
 890            p == q, p != q, p < q, p <= q, p >= q, p > q);
 891     {
 892         struct size12 {
 893             int i, j, k;
 894         };
 895         struct size12 s[2], *sp = s;
 896         int i, j;
 897         sp->i = 42;
 898         sp++;
 899         j = -1;
 900         printf("%d\n", sp[j].i);
 901     }
 902 }
 903
 904 void expr_cmp_test()
 905 {
 906     int a, b;
 907     printf("constant_expr:\n");
 908     a = -1;
 909     b = 1;
 910     printf("%d\n", a == a);
 911     printf("%d\n", a != a);
 912
 913     printf("%d\n", a < b);
 914     printf("%d\n", a <= b);
 915     printf("%d\n", a <= a);
 916     printf("%d\n", b >= a);
 917     printf("%d\n", a >= a);
 918     printf("%d\n", b > a);
 919
 920     printf("%d\n", (unsigned)a < b);
 921     printf("%d\n", (unsigned)a <= b);
 922     printf("%d\n", (unsigned)a <= a);
 923     printf("%d\n", (unsigned)b >= a);
 924     printf("%d\n", (unsigned)a >= a);
 925     printf("%d\n", (unsigned)b > a);
 926 }
 927
 928 struct empty {
 929 };
 930
 931 struct aligntest1 {
 932     char a[10];
 933 };
 934
 935 struct aligntest2 {
 936     int a;
 937     char b[10];
 938 };
 939
 940 struct aligntest3 {
 941     double a, b;
 942 };
 943
 944 struct aligntest4 {
 945     double a[0];
 946 };
 947
 948 void struct_test()
 949 {
 950     struct1 *s;
 951     union union2 u;
 952
 953     printf("struct:\n");
 954     printf("sizes: %d %d %d %d\n",
 955            sizeof(struct struct1),
 956            sizeof(struct struct2),
 957            sizeof(union union1),
 958            sizeof(union union2));
 959     st1.f1 = 1;
 960     st1.f2 = 2;
 961     st1.f3 = 3;
 962     printf("st1: %d %d %d\n",
 963            st1.f1, st1.f2, st1.f3);
 964     st1.u.v1 = 1;
 965     st1.u.v2 = 2;
 966     printf("union1: %d\n", st1.u.v1);
 967     u.w1 = 1;
 968     u.w2 = 2;
 969     printf("union2: %d\n", u.w1);
 970     s = &st2;
 971     s->f1 = 3;
 972     s->f2 = 2;
 973     s->f3 = 1;
 974     printf("st2: %d %d %d\n",
 975            s->f1, s->f2, s->f3);
 976     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 977
 978     /* align / size tests */
 979     printf("aligntest1 sizeof=%d alignof=%d\n",
 980            sizeof(struct aligntest1), __alignof__(struct aligntest1));
 981     printf("aligntest2 sizeof=%d alignof=%d\n",
 982            sizeof(struct aligntest2), __alignof__(struct aligntest2));
 983     printf("aligntest3 sizeof=%d alignof=%d\n",
 984            sizeof(struct aligntest3), __alignof__(struct aligntest3));
 985     printf("aligntest4 sizeof=%d alignof=%d\n",
 986            sizeof(struct aligntest4), __alignof__(struct aligntest4));
 987
 988     /* empty structures (GCC extension) */
 989     printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
 990     printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
 991 }
 992
 993 /* XXX: depend on endianness */
 994 void char_short_test()
 995 {
 996     int var1, var2;
 997
 998     printf("char_short:\n");
 999
1000     var1 = 0x01020304;
1001     var2 = 0xfffefdfc;
1002     printf("s8=%d %d\n",
1003            *(char *)&var1, *(char *)&var2);
1004     printf("u8=%d %d\n",
1005            *(unsigned char *)&var1, *(unsigned char *)&var2);
1006     printf("s16=%d %d\n",
1007            *(short *)&var1, *(short *)&var2);
1008     printf("u16=%d %d\n",
1009            *(unsigned short *)&var1, *(unsigned short *)&var2);
1010     printf("s32=%d %d\n",
1011            *(int *)&var1, *(int *)&var2);
1012     printf("u32=%d %d\n",
1013            *(unsigned int *)&var1, *(unsigned int *)&var2);
1014     *(char *)&var1 = 0x08;
1015     printf("var1=%x\n", var1);
1016     *(short *)&var1 = 0x0809;
1017     printf("var1=%x\n", var1);
1018     *(int *)&var1 = 0x08090a0b;
1019     printf("var1=%x\n", var1);
1020 }
1021
1022 /******************/
1023
1024 typedef struct Sym {
1025     int v;
1026     int t;
1027     int c;
1028     struct Sym *next;
1029     struct Sym *prev;
1030 } Sym;
1031
1032 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
1033 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
1034
1035 static int toupper1(int a)
1036 {
1037     return TOUPPER(a);
1038 }
1039
1040 void bool_test()
1041 {
1042     int *s, a, b, t, f, i;
1043
1044     a = 0;
1045     s = (void*)0;
1046     printf("!s=%d\n", !s);
1047
1048     if (!s || !s[0])
1049         a = 1;
1050     printf("a=%d\n", a);
1051
1052     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
1053     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
1054     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
1055 #if 1 && 1
1056     printf("a1\n");
1057 #endif
1058 #if 1 || 0
1059     printf("a2\n");
1060 #endif
1061 #if 1 ? 0 : 1
1062     printf("a3\n");
1063 #endif
1064 #if 0 ? 0 : 1
1065     printf("a4\n");
1066 #endif
1067
1068     a = 4;
1069     printf("b=%d\n", a + (0 ? 1 : a / 2));
1070
1071     /* test register spilling */
1072     a = 10;
1073     b = 10;
1074     a = (a + b) * ((a < b) ?
1075                    ((b - a) * (a - b)): a + b);
1076     printf("a=%d\n", a);
1077
1078     /* test complex || or && expressions */
1079     t = 1;
1080     f = 0;
1081     a = 32;
1082     printf("exp=%d\n", f == (32 <= a && a <= 3));
1083     printf("r=%d\n", (t || f) + (t && f));
1084
1085     /* test ? : cast */
1086     {
1087         int aspect_on;
1088         int aspect_native = 65536;
1089         double bfu_aspect = 1.0;
1090         int aspect;
1091         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
1092             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
1093             printf("aspect=%d\n", aspect);
1094         }
1095     }
1096
1097     /* test ? : GCC extension */
1098     {
1099         static int v1 = 34 ? : -1; /* constant case */
1100         static int v2 = 0 ? : -1; /* constant case */
1101         int a = 30;
1102
1103         printf("%d %d\n", v1, v2);
1104         printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
1105     }
1106
1107     /* again complex expression */
1108     for(i=0;i<256;i++) {
1109         if (toupper1 (i) != TOUPPER (i))
1110             printf("error %d\n", i);
1111     }
1112 }
1113
1114 /* GCC accepts that */
1115 static int tab_reinit[];
1116 static int tab_reinit[10];
1117
1118 //int cinit1; /* a global variable can be defined several times without error ! */
1119 int cinit1;
1120 int cinit1;
1121 int cinit1 = 0;
1122 int *cinit2 = (int []){3, 2, 1};
1123
1124 void compound_literal_test(void)
1125 {
1126     int *p, i;
1127     char *q, *q3;
1128
1129     printf("compound_test:\n");
1130
1131     p = (int []){1, 2, 3};
1132     for(i=0;i<3;i++)
1133         printf(" %d", p[i]);
1134     printf("\n");
1135
1136     for(i=0;i<3;i++)
1137         printf("%d", cinit2[i]);
1138     printf("\n");
1139
1140     q = "tralala1";
1141     printf("q1=%s\n", q);
1142
1143     q = (char *){ "tralala2" };
1144     printf("q2=%s\n", q);
1145
1146     q3 = (char *){ q };
1147     printf("q3=%s\n", q3);
1148
1149     q = (char []){ "tralala3" };
1150     printf("q4=%s\n", q);
1151
1152 #ifdef ALL_ISOC99
1153     p = (int []){1, 2, cinit1 + 3};
1154     for(i=0;i<3;i++)
1155         printf(" %d", p[i]);
1156     printf("\n");
1157
1158     for(i=0;i<3;i++) {
1159         p = (int []){1, 2, 4 + i};
1160         printf("%d %d %d\n",
1161                p[0],
1162                p[1],
1163                p[2]);
1164     }
1165 #endif
1166 }
1167
1168 /* K & R protos */
1169
1170 kr_func1(a, b)
1171 {
1172     return a + b;
1173 }
1174
1175 int kr_func2(a, b)
1176 {
1177     return a + b;
1178 }
1179
1180 kr_test()
1181 {
1182     printf("kr_test:\n");
1183     printf("func1=%d\n", kr_func1(3, 4));
1184     printf("func2=%d\n", kr_func2(3, 4));
1185     return 0;
1186 }
1187
1188 void num(int n)
1189 {
1190     char *tab, *p;
1191     tab = (char*)malloc(20);
1192     p = tab;
1193     while (1) {
1194         *p = 48 + (n % 10);
1195         p++;
1196         n = n / 10;
1197         if (n == 0)
1198             break;
1199     }
1200     while (p != tab) {
1201         p--;
1202         printf("%c", *p);
1203     }
1204     printf("\n");
1205     free(tab);
1206 }
1207
1208 /* structure assignment tests */
1209 struct structa1 {
1210     int f1;
1211     char f2;
1212 };
1213
1214 struct structa1 ssta1;
1215
1216 void struct_assign_test1(struct structa1 s1, int t, float f)
1217 {
1218     printf("%d %d %d %f\n", s1.f1, s1.f2, t, f);
1219 }
1220
1221 struct structa1 struct_assign_test2(struct structa1 s1, int t)
1222 {
1223     s1.f1 += t;
1224     s1.f2 -= t;
1225     return s1;
1226 }
1227
1228 void struct_assign_test(void)
1229 {
1230     struct S {
1231       struct structa1 lsta1, lsta2;
1232       int i;
1233     } s, *ps;
1234
1235     ps = &s;
1236     ps->i = 4;
1237 #if 0
1238     printf("struct_assign_test:\n");
1239
1240     s.lsta1.f1 = 1;
1241     s.lsta1.f2 = 2;
1242     printf("%d %d\n", s.lsta1.f1, s.lsta1.f2);
1243     s.lsta2 = s.lsta1;
1244     printf("%d %d\n", s.lsta2.f1, s.lsta2.f2);
1245 #else
1246     s.lsta2.f1 = 1;
1247     s.lsta2.f2 = 2;
1248 #endif
1249     struct_assign_test1(ps->lsta2, 3, 4.5);
1250
1251     printf("before call: %d %d\n", s.lsta2.f1, s.lsta2.f2);
1252     ps->lsta2 = struct_assign_test2(ps->lsta2, ps->i);
1253     printf("after call: %d %d\n", ps->lsta2.f1, ps->lsta2.f2);
1254
1255     static struct {
1256         void (*elem)();
1257     } t[] = {
1258         /* XXX: we should allow this even without braces */
1259         { struct_assign_test }
1260     };
1261     printf("%d\n", struct_assign_test == t[0].elem);
1262 }
1263
1264 /* casts to short/char */
1265
1266 void cast1(char a, short b, unsigned char c, unsigned short d)
1267 {
1268     printf("%d %d %d %d\n", a, b, c, d);
1269 }
1270
1271 char bcast;
1272 short scast;
1273
1274 void cast_test()
1275 {
1276     int a;
1277     char c;
1278     char tab[10];
1279     unsigned b,d;
1280     short s;
1281     char *p = NULL;
1282     p -= 0x700000000042;
1283
1284     printf("cast_test:\n");
1285     a = 0xfffff;
1286     cast1(a, a, a, a);
1287     a = 0xffffe;
1288     printf("%d %d %d %d\n",
1289            (char)(a + 1),
1290            (short)(a + 1),
1291            (unsigned char)(a + 1),
1292            (unsigned short)(a + 1));
1293     printf("%d %d %d %d\n",
1294            (char)0xfffff,
1295            (short)0xfffff,
1296            (unsigned char)0xfffff,
1297            (unsigned short)0xfffff);
1298
1299     a = (bcast = 128) + 1;
1300     printf("%d\n", a);
1301     a = (scast = 65536) + 1;
1302     printf("%d\n", a);
1303
1304     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
1305
1306     /* test cast from unsigned to signed short to int */
1307     b = 0xf000;
1308     d = (short)b;
1309     printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
1310     b = 0xf0f0;
1311     d = (char)b;
1312     printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
1313
1314     /* test implicit int casting for array accesses */
1315     c = 0;
1316     tab[1] = 2;
1317     tab[c] = 1;
1318     printf("%d %d\n", tab[0], tab[1]);
1319
1320     /* test implicit casting on some operators */
1321     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
1322     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
1323     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
1324
1325     /* from pointer to integer types */
1326     printf("%d %d %ld %ld %lld %lld\n",
1327            (int)p, (unsigned int)p,
1328            (long)p, (unsigned long)p,
1329            (long long)p, (unsigned long long)p);
1330
1331     /* from integers to pointers */
1332     printf("%p %p %p %p\n",
1333            (void *)a, (void *)b, (void *)c, (void *)d);
1334 }
1335
1336 /* initializers tests */
1337 struct structinit1 {
1338     int f1;
1339     char f2;
1340     short f3;
1341     int farray[3];
1342 };
1343
1344 int sinit1 = 2;
1345 int sinit2 = { 3 };
1346 int sinit3[3] = { 1, 2, {{3}}, };
1347 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1348 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1349 int sinit6[] = { 1, 2, 3 };
1350 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1351 char sinit8[] = "hello" "trala";
1352
1353 struct structinit1 sinit9 = { 1, 2, 3 };
1354 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1355 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1356 #ifdef ALL_ISOC99
1357                                .farray[0] = 10,
1358                                .farray[1] = 11,
1359                                .farray[2] = 12,
1360 #endif
1361 };
1362
1363 char *sinit12 = "hello world";
1364 char *sinit13[] = {
1365     "test1",
1366     "test2",
1367     "test3",
1368 };
1369 char sinit14[10] = { "abc" };
1370 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1371
1372 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1373
1374 struct bar {
1375         char *s;
1376         int len;
1377 } sinit17[] = {
1378         "a1", 4,
1379         "a2", 1
1380 };
1381
1382 int sinit18[10] = {
1383     [2 ... 5] = 20,
1384     2,
1385     [8] = 10,
1386 };
1387
1388 struct complexinit0 {
1389     int a;
1390     int b;
1391 };
1392
1393 struct complexinit {
1394     int a;
1395     const struct complexinit0 *b;
1396 };
1397
1398 const static struct complexinit cix[] = {
1399     [0] = {
1400         .a = 2000,
1401         .b = (const struct complexinit0[]) {
1402                 { 2001, 2002 },
1403                 { 2003, 2003 },
1404                 {}
1405         }
1406     }
1407 };
1408
1409 struct complexinit2 {
1410         int a;
1411         int b[];
1412 };
1413
1414 struct complexinit2 cix20;
1415
1416 struct complexinit2 cix21 = {
1417         .a = 3000,
1418         .b = { 3001, 3002, 3003 }
1419 };
1420
1421 struct complexinit2 cix22 = {
1422         .a = 4000,
1423         .b = { 4001, 4002, 4003, 4004, 4005, 4006 }
1424 };
1425
1426 void init_test(void)
1427 {
1428     int linit1 = 2;
1429     int linit2 = { 3 };
1430     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1431     int linit6[] = { 1, 2, 3 };
1432     int i, j;
1433     char linit8[] = "hello" "trala";
1434     int linit12[10] = { 1, 2 };
1435     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1436     char linit14[10] = "abc";
1437     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1438     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1439     int linit17 = sizeof(linit17);
1440
1441     printf("init_test:\n");
1442
1443     printf("sinit1=%d\n", sinit1);
1444     printf("sinit2=%d\n", sinit2);
1445     printf("sinit3=%d %d %d %d\n",
1446            sizeof(sinit3),
1447            sinit3[0],
1448            sinit3[1],
1449            sinit3[2]
1450            );
1451     printf("sinit6=%d\n", sizeof(sinit6));
1452     printf("sinit7=%d %d %d %d\n",
1453            sizeof(sinit7),
1454            sinit7[0],
1455            sinit7[1],
1456            sinit7[2]
1457            );
1458     printf("sinit8=%s\n", sinit8);
1459     printf("sinit9=%d %d %d\n",
1460            sinit9.f1,
1461            sinit9.f2,
1462            sinit9.f3
1463            );
1464     printf("sinit10=%d %d %d\n",
1465            sinit10.f1,
1466            sinit10.f2,
1467            sinit10.f3
1468            );
1469     printf("sinit11=%d %d %d %d %d %d\n",
1470            sinit11.f1,
1471            sinit11.f2,
1472            sinit11.f3,
1473            sinit11.farray[0],
1474            sinit11.farray[1],
1475            sinit11.farray[2]
1476            );
1477
1478     for(i=0;i<3;i++)
1479         for(j=0;j<2;j++)
1480             printf("[%d][%d] = %d %d %d\n",
1481                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1482     printf("linit1=%d\n", linit1);
1483     printf("linit2=%d\n", linit2);
1484     printf("linit6=%d\n", sizeof(linit6));
1485     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1486
1487     printf("sinit12=%s\n", sinit12);
1488     printf("sinit13=%d %s %s %s\n",
1489            sizeof(sinit13),
1490            sinit13[0],
1491            sinit13[1],
1492            sinit13[2]);
1493     printf("sinit14=%s\n", sinit14);
1494
1495     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1496     printf("\n");
1497     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1498     printf("\n");
1499     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1500     printf("\n");
1501     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1502     printf("\n");
1503     printf("%d %d %d %d\n",
1504            linit16.a1,
1505            linit16.a2,
1506            linit16.a3,
1507            linit16.a4);
1508     /* test that initialisation is done after variable declare */
1509     printf("linit17=%d\n", linit17);
1510     printf("sinit15=%d\n", sinit15[0]);
1511     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1512     printf("sinit17=%s %d %s %d\n",
1513            sinit17[0].s, sinit17[0].len,
1514            sinit17[1].s, sinit17[1].len);
1515     for(i=0;i<10;i++)
1516         printf("%x ", sinit18[i]);
1517     printf("\n");
1518     /* complex init check */
1519     printf("cix: %d %d %d %d %d %d %d\n",
1520         cix[0].a,
1521         cix[0].b[0].a, cix[0].b[0].b,
1522         cix[0].b[1].a, cix[0].b[1].b,
1523         cix[0].b[2].a, cix[0].b[2].b);
1524     printf("cix2: %d %d\n", cix21.b[2], cix22.b[5]);
1525     printf("sizeof cix20 %d, cix21 %d, sizeof cix22 %d\n", sizeof cix20, sizeof cix21, sizeof cix22);
1526 }
1527
1528
1529 void switch_test()
1530 {
1531     int i;
1532
1533     for(i=0;i<15;i++) {
1534         switch(i) {
1535         case 0:
1536         case 1:
1537             printf("a");
1538             break;
1539         default:
1540             printf("%d", i);
1541             break;
1542         case 8 ... 12:
1543             printf("c");
1544             break;
1545         case 3:
1546             printf("b");
1547             break;
1548         }
1549     }
1550     printf("\n");
1551 }
1552
1553 /* ISOC99 _Bool type */
1554 void c99_bool_test(void)
1555 {
1556 #ifdef BOOL_ISOC99
1557     int a;
1558     _Bool b;
1559
1560     printf("bool_test:\n");
1561     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1562     a = 3;
1563     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1564     b = 3;
1565     printf("b = %d\n", b);
1566     b++;
1567     printf("b = %d\n", b);
1568 #endif
1569 }
1570
1571 void bitfield_test(void)
1572 {
1573     int a;
1574     short sa;
1575     unsigned char ca;
1576     struct sbf1 {
1577         int f1 : 3;
1578         int : 2;
1579         int f2 : 1;
1580         int : 0;
1581         int f3 : 5;
1582         int f4 : 7;
1583         unsigned int f5 : 7;
1584     } st1;
1585     printf("bitfield_test:");
1586     printf("sizeof(st1) = %d\n", sizeof(st1));
1587
1588     st1.f1 = 3;
1589     st1.f2 = 1;
1590     st1.f3 = 15;
1591     a = 120;
1592     st1.f4 = a;
1593     st1.f5 = a;
1594     st1.f5++;
1595     printf("%d %d %d %d %d\n",
1596            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1597     sa = st1.f5;
1598     ca = st1.f5;
1599     printf("%d %d\n", sa, ca);
1600
1601     st1.f1 = 7;
1602     if (st1.f1 == -1)
1603         printf("st1.f1 == -1\n");
1604     else
1605         printf("st1.f1 != -1\n");
1606     if (st1.f2 == -1)
1607         printf("st1.f2 == -1\n");
1608     else
1609         printf("st1.f2 != -1\n");
1610
1611     /* bit sizes below must be bigger than 32 since GCC doesn't allow
1612        long-long bitfields whose size is not bigger than int */
1613     struct sbf2 {
1614         long long f1 : 45;
1615         long long : 2;
1616         long long f2 : 35;
1617         unsigned long long f3 : 38;
1618     } st2;
1619     st2.f1 = 0x123456789ULL;
1620     a = 120;
1621     st2.f2 = (long long)a << 25;
1622     st2.f3 = a;
1623     st2.f2++;
1624     printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
1625 }
1626
1627 #ifdef __x86_64__
1628 #define FLOAT_FMT "%f\n"
1629 #else
1630 /* x86's float isn't compatible with GCC */
1631 #define FLOAT_FMT "%.5f\n"
1632 #endif
1633
1634 /* declare strto* functions as they are C99 */
1635 double strtod(const char *nptr, char **endptr);
1636
1637 #if defined(_WIN32)
1638 float strtof(const char *nptr, char **endptr) {return (float)strtod(nptr, endptr);}
1639 LONG_DOUBLE strtold(const char *nptr, char **endptr) {return (LONG_DOUBLE)strtod(nptr, endptr);}
1640 #else
1641 float strtof(const char *nptr, char **endptr);
1642 LONG_DOUBLE strtold(const char *nptr, char **endptr);
1643 #endif
1644
1645 #define FTEST(prefix, typename, type, fmt)\
1646 void prefix ## cmp(type a, type b)\
1647 {\
1648     printf("%d %d %d %d %d %d\n",\
1649            a == b,\
1650            a != b,\
1651            a < b,\
1652            a > b,\
1653            a >= b,\
1654            a <= b);\
1655     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1656            a,\
1657            b,\
1658            a + b,\
1659            a - b,\
1660            a * b,\
1661            a / b,\
1662            -a);\
1663     printf(fmt "\n", ++a);\
1664     printf(fmt "\n", a++);\
1665     printf(fmt "\n", a);\
1666     b = 0;\
1667     printf("%d %d\n", !a, !b);\
1668 }\
1669 void prefix ## fcast(type a)\
1670 {\
1671     float fa;\
1672     double da;\
1673     LONG_DOUBLE la;\
1674     int ia;\
1675     long long llia;\
1676     unsigned int ua;\
1677     unsigned long long llua;\
1678     type b;\
1679     fa = a;\
1680     da = a;\
1681     la = a;\
1682     printf("ftof: %f %f %Lf\n", fa, da, la);\
1683     ia = (int)a;\
1684     llia = (long long)a;\
1685     a = (a >= 0) ? a : -a;\
1686     ua = (unsigned int)a;\
1687     llua = (unsigned long long)a;\
1688     printf("ftoi: %d %u %lld %llu\n", ia, ua, llia, llua);\
1689     ia = -1234;\
1690     ua = 0x81234500;\
1691     llia = -0x123456789012345LL;\
1692     llua = 0xf123456789012345LLU;\
1693     b = ia;\
1694     printf("itof: " fmt "\n", b);\
1695     b = ua;\
1696     printf("utof: " fmt "\n", b);\
1697     b = llia;\
1698     printf("lltof: " fmt "\n", b);\
1699     b = llua;\
1700     printf("ulltof: " fmt "\n", b);\
1701 }\
1702 \
1703 float prefix ## retf(type a) { return a; }\
1704 double prefix ## retd(type a) { return a; }\
1705 LONG_DOUBLE prefix ## retld(type a) { return a; }\
1706 \
1707 void prefix ## call(void)\
1708 {\
1709     printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
1710     printf("double: %f\n", prefix ## retd(42.123456789));\
1711     printf("long double: %Lf\n", prefix ## retld(42.123456789));\
1712     printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
1713 }\
1714 \
1715 void prefix ## signed_zeros(void) \
1716 {\
1717   type x = 0.0, y = -0.0, n, p;\
1718   if (x == y)\
1719     printf ("Test 1.0 / x != 1.0 / y  returns %d (should be 1).\n",\
1720             1.0 / x != 1.0 / y);\
1721   else\
1722     printf ("x != y; this is wrong!\n");\
1723 \
1724   n = -x;\
1725   if (x == n)\
1726     printf ("Test 1.0 / x != 1.0 / -x returns %d (should be 1).\n",\
1727             1.0 / x != 1.0 / n);\
1728   else\
1729     printf ("x != -x; this is wrong!\n");\
1730 \
1731   p = +y;\
1732   if (x == p)\
1733     printf ("Test 1.0 / x != 1.0 / +y returns %d (should be 1).\n",\
1734             1.0 / x != 1.0 / p);\
1735   else\
1736     printf ("x != +y; this is wrong!\n");\
1737   p = -y;\
1738   if (x == p)\
1739     printf ("Test 1.0 / x != 1.0 / -y returns %d (should be 0).\n",\
1740             1.0 / x != 1.0 / p);\
1741   else\
1742     printf ("x != -y; this is wrong!\n");\
1743 }\
1744 void prefix ## test(void)\
1745 {\
1746     printf("testing '%s'\n", #typename);\
1747     prefix ## cmp(1, 2.5);\
1748     prefix ## cmp(2, 1.5);\
1749     prefix ## cmp(1, 1);\
1750     prefix ## fcast(234.6);\
1751     prefix ## fcast(-2334.6);\
1752     prefix ## call();\
1753     prefix ## signed_zeros();\
1754 }
1755
1756 FTEST(f, float, float, "%f")
1757 FTEST(d, double, double, "%f")
1758 FTEST(ld, long double, LONG_DOUBLE, "%Lf")
1759
1760 double ftab1[3] = { 1.2, 3.4, -5.6 };
1761
1762
1763 void float_test(void)
1764 {
1765 #if !defined(__arm__) || defined(__ARM_PCS_VFP)
1766     float fa, fb;
1767     double da, db;
1768     int a;
1769     unsigned int b;
1770
1771     printf("float_test:\n");
1772     printf("sizeof(float) = %d\n", sizeof(float));
1773     printf("sizeof(double) = %d\n", sizeof(double));
1774     printf("sizeof(long double) = %d\n", sizeof(LONG_DOUBLE));
1775     ftest();
1776     dtest();
1777     ldtest();
1778     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1779     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1780     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1781     da = 123;
1782     printf("da=%f\n", da);
1783     fa = 123;
1784     printf("fa=%f\n", fa);
1785     a = 4000000000;
1786     da = a;
1787     printf("da = %f\n", da);
1788     b = 4000000000;
1789     db = b;
1790     printf("db = %f\n", db);
1791 #endif
1792 }
1793
1794 int fib(int n)
1795 {
1796     if (n <= 2)
1797         return 1;
1798     else
1799         return fib(n-1) + fib(n-2);
1800 }
1801
1802 void funcptr_test()
1803 {
1804     void (*func)(int);
1805     int a;
1806     struct {
1807         int dummy;
1808         void (*func)(int);
1809     } st1;
1810
1811     printf("funcptr:\n");
1812     func = &num;
1813     (*func)(12345);
1814     func = num;
1815     a = 1;
1816     a = 1;
1817     func(12345);
1818     /* more complicated pointer computation */
1819     st1.func = num;
1820     st1.func(12346);
1821     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1822     printf("sizeof2 = %d\n", sizeof funcptr_test);
1823     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1824     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1825 }
1826
1827 void lloptest(long long a, long long b)
1828 {
1829     unsigned long long ua, ub;
1830
1831     ua = a;
1832     ub = b;
1833     /* arith */
1834     printf("arith: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1835            a + b,
1836            a - b,
1837            a * b);
1838
1839     if (b != 0) {
1840         printf("arith1: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1841            a / b,
1842            a % b);
1843     }
1844
1845     /* binary */
1846     printf("bin: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1847            a & b,
1848            a | b,
1849            a ^ b);
1850
1851     /* tests */
1852     printf("test: %d %d %d %d %d %d\n",
1853            a == b,
1854            a != b,
1855            a < b,
1856            a > b,
1857            a >= b,
1858            a <= b);
1859
1860     printf("utest: %d %d %d %d %d %d\n",
1861            ua == ub,
1862            ua != ub,
1863            ua < ub,
1864            ua > ub,
1865            ua >= ub,
1866            ua <= ub);
1867
1868     /* arith2 */
1869     a++;
1870     b++;
1871     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1872     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a++, b++);
1873     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", --a, --b);
1874     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1875     b = ub = 0;
1876     printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
1877 }
1878
1879 void llshift(long long a, int b)
1880 {
1881     printf("shift: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1882            (unsigned long long)a >> b,
1883            a >> b,
1884            a << b);
1885     printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1886            (unsigned long long)a >> 3,
1887            a >> 3,
1888            a << 3);
1889     printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1890            (unsigned long long)a >> 35,
1891            a >> 35,
1892            a << 35);
1893 }
1894
1895 void llfloat(void)
1896 {
1897     float fa;
1898     double da;
1899     LONG_DOUBLE lda;
1900     long long la, lb, lc;
1901     unsigned long long ula, ulb, ulc;
1902     la = 0x12345678;
1903     ula = 0x72345678;
1904     la = (la << 20) | 0x12345;
1905     ula = ula << 33;
1906     printf("la=" LONG_LONG_FORMAT " ula=" ULONG_LONG_FORMAT "\n", la, ula);
1907
1908     fa = la;
1909     da = la;
1910     lda = la;
1911     printf("lltof: %f %f %Lf\n", fa, da, lda);
1912
1913     la = fa;
1914     lb = da;
1915     lc = lda;
1916     printf("ftoll: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", la, lb, lc);
1917
1918     fa = ula;
1919     da = ula;
1920     lda = ula;
1921     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1922
1923     ula = fa;
1924     ulb = da;
1925     ulc = lda;
1926     printf("ftoull: " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT "\n", ula, ulb, ulc);
1927 }
1928
1929 long long llfunc1(int a)
1930 {
1931     return a * 2;
1932 }
1933
1934 struct S {
1935     int id;
1936     char item;
1937 };
1938
1939 long long int value(struct S *v)
1940 {
1941     return ((long long int)v->item);
1942 }
1943
1944 void longlong_test(void)
1945 {
1946     long long a, b, c;
1947     int ia;
1948     unsigned int ua;
1949     printf("longlong_test:\n");
1950     printf("sizeof(long long) = %d\n", sizeof(long long));
1951     ia = -1;
1952     ua = -2;
1953     a = ia;
1954     b = ua;
1955     printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1956     printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %Lx\n",
1957            (long long)1,
1958            (long long)-2,
1959            1LL,
1960            0x1234567812345679);
1961     a = llfunc1(-3);
1962     printf(LONG_LONG_FORMAT "\n", a);
1963
1964     lloptest(1000, 23);
1965     lloptest(0xff, 0x1234);
1966     b = 0x72345678 << 10;
1967     lloptest(-3, b);
1968     llshift(0x123, 5);
1969     llshift(-23, 5);
1970     b = 0x72345678LL << 10;
1971     llshift(b, 47);
1972
1973     llfloat();
1974 #if 1
1975     b = 0x12345678;
1976     a = -1;
1977     c = a + b;
1978     printf("%Lx\n", c);
1979 #endif
1980
1981     /* long long reg spill test */
1982     {
1983           struct S a;
1984
1985           a.item = 3;
1986           printf("%lld\n", value(&a));
1987     }
1988     lloptest(0x80000000, 0);
1989
1990     /* another long long spill test */
1991     {
1992         long long *p, v;
1993         v = 1;
1994         p = &v;
1995         p[0]++;
1996         printf("%lld\n", *p);
1997     }
1998
1999     a = 68719476720LL;
2000     b = 4294967295LL;
2001     printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
2002
2003     printf(LONG_LONG_FORMAT "\n", 0x123456789LLU);
2004 }
2005
2006 void manyarg_test(void)
2007 {
2008     LONG_DOUBLE ld = 1234567891234LL;
2009     printf("manyarg_test:\n");
2010     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
2011            1, 2, 3, 4, 5, 6, 7, 8,
2012            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
2013     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2014            LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
2015            1, 2, 3, 4, 5, 6, 7, 8,
2016            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2017            1234567891234LL, 987654321986LL,
2018            42.0, 43.0);
2019     printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2020            LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
2021            ld, 1, 2, 3, 4, 5, 6, 7, 8,
2022            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2023            1234567891234LL, 987654321986LL,
2024            42.0, 43.0);
2025     printf("%d %d %d %d %d %d %d %d %Lf\n",
2026            1, 2, 3, 4, 5, 6, 7, 8, ld);
2027     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2028            LONG_LONG_FORMAT " " LONG_LONG_FORMAT "%f %f %Lf\n",
2029            1, 2, 3, 4, 5, 6, 7, 8,
2030            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2031            1234567891234LL, 987654321986LL,
2032            42.0, 43.0, ld);
2033     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2034            "%Lf " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f %Lf\n",
2035            1, 2, 3, 4, 5, 6, 7, 8,
2036            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2037            ld, 1234567891234LL, 987654321986LL,
2038            42.0, 43.0, ld);
2039 }
2040
2041 void vprintf1(const char *fmt, ...)
2042 {
2043     va_list ap, aq;
2044     const char *p;
2045     int c, i;
2046     double d;
2047     long long ll;
2048     LONG_DOUBLE ld;
2049
2050     va_start(aq, fmt);
2051     va_copy(ap, aq);
2052
2053     p = fmt;
2054     for(;;) {
2055         c = *p;
2056         if (c == '\0')
2057             break;
2058         p++;
2059         if (c == '%') {
2060             c = *p;
2061             switch(c) {
2062             case '\0':
2063                 goto the_end;
2064             case 'd':
2065                 i = va_arg(ap, int);
2066                 printf("%d", i);
2067                 break;
2068             case 'f':
2069                 d = va_arg(ap, double);
2070                 printf("%f", d);
2071                 break;
2072             case 'l':
2073                 ll = va_arg(ap, long long);
2074                 printf(LONG_LONG_FORMAT, ll);
2075                 break;
2076             case 'F':
2077                 ld = va_arg(ap, LONG_DOUBLE);
2078                 printf("%Lf", ld);
2079                 break;
2080             }
2081             p++;
2082         } else {
2083             putchar(c);
2084         }
2085     }
2086  the_end:
2087     va_end(aq);
2088     va_end(ap);
2089 }
2090
2091 struct myspace {
2092     short int profile;
2093 };
2094
2095 void stdarg_for_struct(struct myspace bob, ...)
2096 {
2097     struct myspace george, bill;
2098     va_list ap;
2099     short int validate;
2100
2101     va_start(ap, bob);
2102     bill     = va_arg(ap, struct myspace);
2103     george   = va_arg(ap, struct myspace);
2104     validate = va_arg(ap, int);
2105     printf("stdarg_for_struct: %d %d %d %d\n",
2106            bob.profile, bill.profile, george.profile, validate);
2107     va_end(ap);
2108 }
2109
2110 void stdarg_test(void)
2111 {
2112     LONG_DOUBLE ld = 1234567891234LL;
2113     struct myspace bob;
2114
2115     vprintf1("%d %d %d\n", 1, 2, 3);
2116     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
2117     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
2118     vprintf1("%F %F %F\n", LONG_DOUBLE_LITERAL(1.2), LONG_DOUBLE_LITERAL(2.3), LONG_DOUBLE_LITERAL(3.4));
2119     vprintf1("%d %f %l %F %d %f %l %F\n",
2120              1, 1.2, 3LL, LONG_DOUBLE_LITERAL(4.5), 6, 7.8, 9LL, LONG_DOUBLE_LITERAL(0.1));
2121     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
2122              1, 2, 3, 4, 5, 6, 7, 8,
2123              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
2124     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
2125              1, 2, 3, 4, 5, 6, 7, 8,
2126              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
2127     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2128              "%l %l %f %f\n",
2129              1, 2, 3, 4, 5, 6, 7, 8,
2130              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2131              1234567891234LL, 987654321986LL,
2132              42.0, 43.0);
2133     vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2134              "%l %l %f %f\n",
2135              ld, 1, 2, 3, 4, 5, 6, 7, 8,
2136              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2137              1234567891234LL, 987654321986LL,
2138              42.0, 43.0);
2139     vprintf1("%d %d %d %d %d %d %d %d %F\n",
2140              1, 2, 3, 4, 5, 6, 7, 8, ld);
2141     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2142              "%l %l %f %f %F\n",
2143              1, 2, 3, 4, 5, 6, 7, 8,
2144              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2145              1234567891234LL, 987654321986LL,
2146              42.0, 43.0, ld);
2147     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2148              "%F %l %l %f %f %F\n",
2149              1, 2, 3, 4, 5, 6, 7, 8,
2150              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2151              ld, 1234567891234LL, 987654321986LL,
2152              42.0, 43.0, ld);
2153
2154     bob.profile = 42;
2155     stdarg_for_struct(bob, bob, bob, bob.profile);
2156 }
2157
2158 void whitespace_test(void)
2159 {
2160     char *str;
2161
2162 \f\v
#if 1
2163     pri\
2164 ntf("whitspace:\n");\f\v
2165 #endif
2166     pf("N=%d\n", 2);
2167
2168 #ifdef CORRECT_CR_HANDLING
2169     pri\
2170 ntf("aaa=%d\n", 3);
2171 #endif
2172
2173     pri\
2174 \
2175 ntf("min=%d\n", 4);
2176
2177 #ifdef ACCEPT_CR_IN_STRINGS
2178     printf("len1=%d\n", strlen("
2179 "));
2180 #ifdef CORRECT_CR_HANDLING
2181     str = "
2182 ";
2183     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
2184 #endif
2185     printf("len1=%d\n", strlen("
a
2186 "));
2187 #endif /* ACCEPT_CR_IN_STRINGS */
2188 }
2189
2190 int reltab[3] = { 1, 2, 3 };
2191
2192 int *rel1 = &reltab[1];
2193 int *rel2 = &reltab[2];
2194
2195 void relocation_test(void)
2196 {
2197     printf("*rel1=%d\n", *rel1);
2198     printf("*rel2=%d\n", *rel2);
2199 }
2200
2201 void old_style_f(a,b,c)
2202      int a, b;
2203      double c;
2204 {
2205     printf("a=%d b=%d b=%f\n", a, b, c);
2206 }
2207
2208 void decl_func1(int cmpfn())
2209 {
2210     printf("cmpfn=%lx\n", (long)cmpfn);
2211 }
2212
2213 void decl_func2(cmpfn)
2214 int cmpfn();
2215 {
2216     printf("cmpfn=%lx\n", (long)cmpfn);
2217 }
2218
2219 void old_style_function(void)
2220 {
2221     old_style_f((void *)1, 2, 3.0);
2222     decl_func1(NULL);
2223     decl_func2(NULL);
2224 }
2225
2226 void alloca_test()
2227 {
2228 #if defined __i386__ || defined __x86_64__ || defined __arm__
2229     char *p = alloca(16);
2230     strcpy(p,"123456789012345");
2231     printf("alloca: p is %s\n", p);
2232     char *demo = "This is only a test.\n";
2233     /* Test alloca embedded in a larger expression */
2234     printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
2235 #endif
2236 }
2237
2238 void *bounds_checking_is_enabled()
2239 {
2240     char ca[10], *cp = ca-1;
2241     return (ca != cp + 1) ? cp : NULL;
2242 }
2243
2244 typedef int constant_negative_array_size_as_compile_time_assertion_idiom[(1 ? 2 : 0) - 1];
2245
2246 void c99_vla_test(int size1, int size2)
2247 {
2248 #if defined __i386__ || defined __x86_64__
2249     int size = size1 * size2;
2250     int tab1[size][2], tab2[10][2];
2251     void *tab1_ptr, *tab2_ptr, *bad_ptr;
2252
2253     /* "size" should have been 'captured' at tab1 declaration,
2254         so modifying it should have no effect on VLA behaviour. */
2255     size = size-1;
2256
2257     printf("Test C99 VLA 1 (sizeof): ");
2258     printf("%s\n", (sizeof tab1 == size1 * size2 * 2 * sizeof(int)) ? "PASSED" : "FAILED");
2259     tab1_ptr = tab1;
2260     tab2_ptr = tab2;
2261     printf("Test C99 VLA 2 (ptrs subtract): ");
2262     printf("%s\n", (tab2 - tab1 == (tab2_ptr - tab1_ptr) / (sizeof(int) * 2)) ? "PASSED" : "FAILED");
2263     printf("Test C99 VLA 3 (ptr add): ");
2264     printf("%s\n", &tab1[5][1] == (tab1_ptr + (5 * 2 + 1) * sizeof(int)) ? "PASSED" : "FAILED");
2265     printf("Test C99 VLA 4 (ptr access): ");
2266     tab1[size1][1] = 42;
2267     printf("%s\n", (*((int *) (tab1_ptr + (size1 * 2 + 1) * sizeof(int))) == 42) ? "PASSED" : "FAILED");
2268
2269     printf("Test C99 VLA 5 (bounds checking (might be disabled)): ");
2270     if (bad_ptr = bounds_checking_is_enabled()) {
2271         int *t1 = &tab1[size1 * size2 - 1][3];
2272         int *t2 = &tab2[9][3];
2273         printf("%s ", bad_ptr == t1 ? "PASSED" : "FAILED");
2274         printf("%s ", bad_ptr == t2 ? "PASSED" : "FAILED");
2275
2276         char*c1 = 1 + sizeof(tab1) + (char*)tab1;
2277         char*c2 = 1 + sizeof(tab2) + (char*)tab2;
2278         printf("%s ", bad_ptr == c1 ? "PASSED" : "FAILED");
2279         printf("%s ", bad_ptr == c2 ? "PASSED" : "FAILED");
2280
2281         int *i1 = tab1[-1];
2282         int *i2 = tab2[-1];
2283         printf("%s ", bad_ptr == i1 ? "PASSED" : "FAILED");
2284         printf("%s ", bad_ptr == i2 ? "PASSED" : "FAILED");
2285
2286         int *x1 = tab1[size1 * size2 + 1];
2287         int *x2 = tab2[10 + 1];
2288         printf("%s ", bad_ptr == x1 ? "PASSED" : "FAILED");
2289         printf("%s ", bad_ptr == x2 ? "PASSED" : "FAILED");
2290     } else {
2291         printf("PASSED PASSED PASSED PASSED PASSED PASSED PASSED PASSED ");
2292     }
2293     printf("\n");
2294 #endif
2295 }
2296
2297 typedef __SIZE_TYPE__ uintptr_t;
2298
2299 void sizeof_test(void)
2300 {
2301     int a;
2302     int **ptr;
2303
2304     printf("sizeof(int) = %d\n", sizeof(int));
2305     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
2306     printf("sizeof(long) = %d\n", sizeof(long));
2307     printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
2308     printf("sizeof(short) = %d\n", sizeof(short));
2309     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
2310     printf("sizeof(char) = %d\n", sizeof(char));
2311     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
2312     printf("sizeof(func) = %d\n", sizeof sizeof_test());
2313     a = 1;
2314     printf("sizeof(a++) = %d\n", sizeof a++);
2315     printf("a=%d\n", a);
2316     ptr = NULL;
2317     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
2318
2319     /* The type of sizeof should be as large as a pointer, actually
2320        it should be size_t.  */
2321     printf("sizeof(sizeof(int) = %d\n", sizeof(sizeof(int)));
2322     uintptr_t t = 1;
2323     uintptr_t t2;
2324     /* Effectively <<32, but defined also on 32bit machines.  */
2325     t <<= 16;
2326     t <<= 16;
2327     t++;
2328     /* This checks that sizeof really can be used to manipulate
2329        uintptr_t objects, without truncation.  */
2330     t2 = t & -sizeof(uintptr_t);
2331     printf ("%lu %lu\n", t, t2);
2332
2333     /* some alignof tests */
2334     printf("__alignof__(int) = %d\n", __alignof__(int));
2335     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
2336     printf("__alignof__(short) = %d\n", __alignof__(short));
2337     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
2338     printf("__alignof__(char) = %d\n", __alignof__(char));
2339     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
2340     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
2341 }
2342
2343 void typeof_test(void)
2344 {
2345     double a;
2346     typeof(a) b;
2347     typeof(float) c;
2348
2349     a = 1.5;
2350     b = 2.5;
2351     c = 3.5;
2352     printf("a=%f b=%f c=%f\n", a, b, c);
2353 }
2354
2355 void statement_expr_test(void)
2356 {
2357     int a, i;
2358
2359     a = 0;
2360     for(i=0;i<10;i++) {
2361         a += 1 +
2362             ( { int b, j;
2363                 b = 0;
2364                 for(j=0;j<5;j++)
2365                     b += j; b;
2366             } );
2367     }
2368     printf("a=%d\n", a);
2369
2370 }
2371
2372 void local_label_test(void)
2373 {
2374     int a;
2375     goto l1;
2376  l2:
2377     a = 1 + ({
2378         __label__ l1, l2, l3, l4;
2379         goto l1;
2380     l4:
2381         printf("aa1\n");
2382         goto l3;
2383     l2:
2384         printf("aa3\n");
2385         goto l4;
2386     l1:
2387         printf("aa2\n");
2388         goto l2;
2389     l3:;
2390         1;
2391     });
2392     printf("a=%d\n", a);
2393     return;
2394  l4:
2395     printf("bb1\n");
2396     goto l2;
2397  l1:
2398     printf("bb2\n");
2399     goto l4;
2400 }
2401
2402 /* inline assembler test */
2403 #ifdef __i386__
2404
2405 /* from linux kernel */
2406 static char * strncat1(char * dest,const char * src,size_t count)
2407 {
2408 int d0, d1, d2, d3;
2409 __asm__ __volatile__(
2410         "repne\n\t"
2411         "scasb\n\t"
2412         "decl %1\n\t"
2413         "movl %8,%3\n"
2414         "1:\tdecl %3\n\t"
2415         "js 2f\n\t"
2416         "lodsb\n\t"
2417         "stosb\n\t"
2418         "testb %%al,%%al\n\t"
2419         "jne 1b\n"
2420         "2:\txorl %2,%2\n\t"
2421         "stosb"
2422         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2423         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2424         : "memory");
2425 return dest;
2426 }
2427
2428 static char * strncat2(char * dest,const char * src,size_t count)
2429 {
2430 int d0, d1, d2, d3;
2431 __asm__ __volatile__(
2432         "repne scasb\n\t" /* one-line repne prefix + string op */
2433         "decl %1\n\t"
2434         "movl %8,%3\n"
2435         "1:\tdecl %3\n\t"
2436         "js 2f\n\t"
2437         "lodsb\n\t"
2438         "stosb\n\t"
2439         "testb %%al,%%al\n\t"
2440         "jne 1b\n"
2441         "2:\txorl %2,%2\n\t"
2442         "stosb"
2443         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2444         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2445         : "memory");
2446 return dest;
2447 }
2448
2449 static inline void * memcpy1(void * to, const void * from, size_t n)
2450 {
2451 int d0, d1, d2;
2452 __asm__ __volatile__(
2453         "rep ; movsl\n\t"
2454         "testb $2,%b4\n\t"
2455         "je 1f\n\t"
2456         "movsw\n"
2457         "1:\ttestb $1,%b4\n\t"
2458         "je 2f\n\t"
2459         "movsb\n"
2460         "2:"
2461         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2462         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2463         : "memory");
2464 return (to);
2465 }
2466
2467 static inline void * memcpy2(void * to, const void * from, size_t n)
2468 {
2469 int d0, d1, d2;
2470 __asm__ __volatile__(
2471         "rep movsl\n\t"  /* one-line rep prefix + string op */
2472         "testb $2,%b4\n\t"
2473         "je 1f\n\t"
2474         "movsw\n"
2475         "1:\ttestb $1,%b4\n\t"
2476         "je 2f\n\t"
2477         "movsb\n"
2478         "2:"
2479         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2480         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2481         : "memory");
2482 return (to);
2483 }
2484
2485 static __inline__ void sigaddset1(unsigned int *set, int _sig)
2486 {
2487         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2488 }
2489
2490 static __inline__ void sigdelset1(unsigned int *set, int _sig)
2491 {
2492         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2493 }
2494
2495 static __inline__ __const__ unsigned int swab32(unsigned int x)
2496 {
2497         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
2498                 "rorl $16,%0\n\t"       /* swap words           */
2499                 "xchgb %b0,%h0"         /* swap higher bytes    */
2500                 :"=q" (x)
2501                 : "0" (x));
2502         return x;
2503 }
2504
2505 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
2506 {
2507     unsigned long long res;
2508     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
2509     return res;
2510 }
2511
2512 static __inline__ unsigned long long inc64(unsigned long long a)
2513 {
2514     unsigned long long res;
2515     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
2516     return res;
2517 }
2518
2519 unsigned int set;
2520
2521 void asm_test(void)
2522 {
2523     char buf[128];
2524     unsigned int val;
2525
2526     printf("inline asm:\n");
2527     /* test the no operand case */
2528     asm volatile ("xorl %eax, %eax");
2529
2530     memcpy1(buf, "hello", 6);
2531     strncat1(buf, " worldXXXXX", 3);
2532     printf("%s\n", buf);
2533
2534     memcpy2(buf, "hello", 6);
2535     strncat2(buf, " worldXXXXX", 3);
2536     printf("%s\n", buf);
2537
2538     /* 'A' constraint test */
2539     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
2540     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
2541
2542     set = 0xff;
2543     sigdelset1(&set, 2);
2544     sigaddset1(&set, 16);
2545     /* NOTE: we test here if C labels are correctly restored after the
2546        asm statement */
2547     goto label1;
2548  label2:
2549     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
2550 #ifdef __GNUC__ // works strange with GCC 4.3
2551     set=0x1080fd;
2552 #endif
2553     printf("set=0x%x\n", set);
2554     val = 0x01020304;
2555     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
2556     return;
2557  label1:
2558     goto label2;
2559 }
2560
2561 #else
2562
2563 void asm_test(void)
2564 {
2565 }
2566
2567 #endif
2568
2569 #define COMPAT_TYPE(type1, type2) \
2570 {\
2571     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
2572            __builtin_types_compatible_p (type1, type2));\
2573 }
2574
2575 int constant_p_var;
2576
2577 void builtin_test(void)
2578 {
2579 #if GCC_MAJOR >= 3
2580     COMPAT_TYPE(int, int);
2581     COMPAT_TYPE(int, unsigned int);
2582     COMPAT_TYPE(int, char);
2583     COMPAT_TYPE(int, const int);
2584     COMPAT_TYPE(int, volatile int);
2585     COMPAT_TYPE(int *, int *);
2586     COMPAT_TYPE(int *, void *);
2587     COMPAT_TYPE(int *, const int *);
2588     COMPAT_TYPE(char *, unsigned char *);
2589     COMPAT_TYPE(char *, signed char *);
2590     COMPAT_TYPE(char *, char *);
2591 /* space is needed because tcc preprocessor introduces a space between each token */
2592     COMPAT_TYPE(char * *, void *);
2593 #endif
2594     printf("res = %d\n", __builtin_constant_p(1));
2595     printf("res = %d\n", __builtin_constant_p(1 + 2));
2596     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
2597     printf("res = %d\n", __builtin_constant_p(constant_p_var));
2598 }
2599
2600 #ifndef _WIN32
2601 extern int __attribute__((weak)) weak_f1(void);
2602 extern int __attribute__((weak)) weak_f2(void);
2603 extern int                       weak_f3(void);
2604 extern int __attribute__((weak)) weak_v1;
2605 extern int __attribute__((weak)) weak_v2;
2606 extern int                       weak_v3;
2607
2608 extern int                           (*weak_fpa)() __attribute__((weak));
2609 extern int __attribute__((weak))     (*weak_fpb)();
2610 extern     __attribute__((weak)) int (*weak_fpc)();
2611
2612 extern int                     weak_asm_f1(void) asm("weak_asm_f1x") __attribute((weak));
2613 extern int __attribute((weak)) weak_asm_f2(void) asm("weak_asm_f2x")                    ;
2614 extern int __attribute((weak)) weak_asm_f3(void) asm("weak_asm_f3x") __attribute((weak));
2615 extern int                     weak_asm_v1       asm("weak_asm_v1x") __attribute((weak));
2616 extern int __attribute((weak)) weak_asm_v2       asm("weak_asm_v2x")                    ;
2617 extern int __attribute((weak)) weak_asm_v3(void) asm("weak_asm_v3x") __attribute((weak));
2618
2619 static const size_t dummy = 0;
2620 extern __typeof(dummy) weak_dummy1 __attribute__((weak, alias("dummy")));
2621 extern __typeof(dummy) __attribute__((weak, alias("dummy"))) weak_dummy2;
2622 extern __attribute__((weak, alias("dummy"))) __typeof(dummy) weak_dummy3;
2623
2624 int some_lib_func(void);
2625 int dummy_impl_of_slf(void) { return 444; }
2626 int some_lib_func(void) __attribute__((weak, alias("dummy_impl_of_slf")));
2627
2628 int weak_toolate() __attribute__((weak));
2629 int weak_toolate() { return 0; }
2630
2631 void __attribute__((weak)) weak_test(void)
2632 {
2633         printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
2634         printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
2635         printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
2636         printf("weak_v1=%d\n",&weak_v1 ? weak_v1   : 123);
2637         printf("weak_v2=%d\n",&weak_v2 ? weak_v2   : 123);
2638         printf("weak_v3=%d\n",&weak_v3 ? weak_v3   : 123);
2639
2640         printf("weak_fpa=%d\n",&weak_fpa ? weak_fpa() : 123);
2641         printf("weak_fpb=%d\n",&weak_fpb ? weak_fpb() : 123);
2642         printf("weak_fpc=%d\n",&weak_fpc ? weak_fpc() : 123);
2643
2644         printf("weak_asm_f1=%d\n", weak_asm_f1 != NULL);
2645         printf("weak_asm_f2=%d\n", weak_asm_f2 != NULL);
2646         printf("weak_asm_f3=%d\n", weak_asm_f3 != NULL);
2647         printf("weak_asm_v1=%d\n",&weak_asm_v1 != NULL);
2648         printf("weak_asm_v2=%d\n",&weak_asm_v2 != NULL);
2649         printf("weak_asm_v3=%d\n",&weak_asm_v3 != NULL);
2650 }
2651
2652 int __attribute__((weak)) weak_f2() { return 222; }
2653 int __attribute__((weak)) weak_f3() { return 333; }
2654 int __attribute__((weak)) weak_v2 = 222;
2655 int __attribute__((weak)) weak_v3 = 333;
2656 #endif
2657
2658 void const_func(const int a)
2659 {
2660 }
2661
2662 void const_warn_test(void)
2663 {
2664     const_func(1);
2665 }
2666
2667 struct condstruct {
2668   int i;
2669 };
2670
2671 int getme (struct condstruct *s, int i)
2672 {
2673   int i1 = (i == 0 ? 0 : s)->i;
2674   int i2 = (i == 0 ? s : 0)->i;
2675   int i3 = (i == 0 ? (void*)0 : s)->i;
2676   int i4 = (i == 0 ? s : (void*)0)->i;
2677   return i1 + i2 + i3 + i4;
2678 }
2679
2680 struct global_data
2681 {
2682   int a[40];
2683   int *b[40];
2684 };
2685
2686 struct global_data global_data;
2687
2688 int global_data_getstuff (int *, int);
2689
2690 void global_data_callit (int i)
2691 {
2692   *global_data.b[i] = global_data_getstuff (global_data.b[i], 1);
2693 }
2694
2695 int global_data_getstuff (int *p, int i)
2696 {
2697   return *p + i;
2698 }
2699
2700 void global_data_test (void)
2701 {
2702   global_data.a[0] = 42;
2703   global_data.b[0] = &global_data.a[0];
2704   global_data_callit (0);
2705   printf ("%d\n", global_data.a[0]);
2706 }
2707
2708 struct cmpcmpS
2709 {
2710   unsigned char fill : 3;
2711   unsigned char b1 : 1;
2712   unsigned char b2 : 1;
2713   unsigned char fill2 : 3;
2714 };
2715
2716 int glob1, glob2, glob3;
2717
2718 void compare_comparisons (struct cmpcmpS *s)
2719 {
2720   if (s->b1 != (glob1 == glob2)
2721       || (s->b2 != (glob1 == glob3)))
2722     printf ("comparing comparisons broken\n");
2723 }
2724
2725 void cmp_comparison_test(void)
2726 {
2727   struct cmpcmpS s;
2728   s.b1 = 1;
2729   glob1 = 42; glob2 = 42;
2730   s.b2 = 0;
2731   glob3 = 43;
2732   compare_comparisons (&s);
2733 }
2734
2735 int fcompare (double a, double b, int code)
2736 {
2737   switch (code) {
2738     case 0: return a == b;
2739     case 1: return a != b;
2740     case 2: return a < b;
2741     case 3: return a >= b;
2742     case 4: return a > b;
2743     case 5: return a <= b;
2744   }
2745 }
2746
2747 void math_cmp_test(void)
2748 {
2749   double nan = 0.0/0.0;
2750   double one = 1.0;
2751   double two = 2.0;
2752   int comp = 0;
2753 #define bug(a,b,op,iop,part) printf("Test broken: %s %s %s %s %d\n", #a, #b, #op, #iop, part)
2754
2755   /* This asserts that "a op b" is _not_ true, but "a iop b" is true.
2756      And it does this in various ways so that all code generation paths
2757      are checked (generating inverted tests, or non-inverted tests, or
2758      producing a 0/1 value without jumps (that's done in the fcompare
2759      function).  */
2760 #define FCMP(a,b,op,iop,code) \
2761   if (fcompare (a,b,code))    \
2762     bug (a,b,op,iop,1); \
2763   if (a op b) \
2764     bug (a,b,op,iop,2); \
2765   if (a iop b) \
2766     ; \
2767   else \
2768     bug (a,b,op,iop,3); \
2769   if ((a op b) || comp) \
2770     bug (a,b,op,iop,4); \
2771   if ((a iop b) || comp) \
2772     ; \
2773   else \
2774     bug (a,b,op,iop,5);
2775
2776   /* Equality tests.  */
2777   FCMP(nan, nan, ==, !=, 0);
2778   FCMP(one, two, ==, !=, 0);
2779   FCMP(one, one, !=, ==, 1);
2780   /* Non-equality is a bit special.  */
2781   if (!fcompare (nan, nan, 1))
2782     bug (nan, nan, !=, ==, 6);
2783
2784   /* Relational tests on numbers.  */
2785   FCMP(two, one, <, >=, 2);
2786   FCMP(one, two, >=, <, 3);
2787   FCMP(one, two, >, <=, 4);
2788   FCMP(two, one, <=, >, 5);
2789
2790   /* Relational tests on NaNs.  Note that the inverse op here is
2791      always !=, there's no operator in C that is equivalent to !(a < b),
2792      when NaNs are involved, same for the other relational ops.  */
2793   FCMP(nan, nan, <, !=, 2);
2794   FCMP(nan, nan, >=, !=, 3);
2795   FCMP(nan, nan, >, !=, 4);
2796   FCMP(nan, nan, <=, !=, 5);
2797 }
2798
2799 double get100 () { return 100.0; }
2800
2801 void callsave_test(void)
2802 {
2803 #if defined __i386__ || defined __x86_64__ || defined __arm__
2804   int i, s; double *d; double t;
2805   s = sizeof (double);
2806   printf ("callsavetest: %d\n", s);
2807   d = alloca (sizeof(double));
2808   d[0] = 10.0;
2809   /* x86-64 had a bug were the next call to get100 would evict
2810      the lvalue &d[0] as VT_LLOCAL, and the reload would be done
2811      in int type, not pointer type.  When alloca returns a pointer
2812      with the high 32 bit set (which is likely on x86-64) the access
2813      generates a segfault.  */
2814   i = d[0] > get100 ();
2815   printf ("%d\n", i);
2816 #endif
2817 }
2818
2819
2820 void bfa3(ptrdiff_t str_offset)
2821 {
2822     printf("bfa3: %s\n", (char *)__builtin_frame_address(3) + str_offset);
2823 }
2824 void bfa2(ptrdiff_t str_offset)
2825 {
2826     printf("bfa2: %s\n", (char *)__builtin_frame_address(2) + str_offset);
2827     bfa3(str_offset);
2828 }
2829 void bfa1(ptrdiff_t str_offset)
2830 {
2831     printf("bfa1: %s\n", (char *)__builtin_frame_address(1) + str_offset);
2832     bfa2(str_offset);
2833 }
2834
2835 void builtin_frame_address_test(void)
2836 {
2837 /* builtin_frame_address fails on ARM with gcc which make test3 fail */
2838 #ifndef __arm__
2839     char str[] = "__builtin_frame_address";
2840     char *fp0 = __builtin_frame_address(0);
2841
2842     printf("str: %s\n", str);
2843     bfa1(str-fp0);
2844 #endif
2845 }