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 /* Line joining happens before tokenization, so the following
 118    must be parsed as ellipsis.  */
 119 void funny_line_continuation (int, ..\
 120 . );
 121
 122 char via_volatile (char);
 123
 124 #define A 2
 125 #define N 1234 + A
 126 #define pf printf
 127 #define M1(a, b)  (a) + (b)
 128
 129 #define str\
 130 (s) # s
 131 #define glue(a, b) a ## b
 132 #define xglue(a, b) glue(a, b)
 133 #define HIGHLOW "hello"
 134 #define LOW LOW ", world"
 135
 136 static int onetwothree = 123;
 137 #define onetwothree4 onetwothree
 138 #define onetwothree xglue(onetwothree,4)
 139
 140 #define min(a, b) ((a) < (b) ? (a) : (b))
 141
 142 #ifdef C99_MACROS
 143 #define dprintf(level,...) printf(__VA_ARGS__)
 144 #endif
 145
 146 /* gcc vararg macros */
 147 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
 148
 149 #define MACRO_NOARGS()
 150
 151 #define AAA 3
 152 #undef AAA
 153 #define AAA 4
 154
 155 #if 1
 156 #define B3 1
 157 #elif 1
 158 #define B3 2
 159 #elif 0
 160 #define B3 3
 161 #else
 162 #define B3 4
 163 #endif
 164
 165 #define __INT64_C(c)    c ## LL
 166 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 167
 168 int qq(int x)
 169 {
 170     return x + 40;
 171 }
 172 #define qq(x) x
 173
 174 #define spin_lock(lock) do { } while (0)
 175 #define wq_spin_lock spin_lock
 176 #define TEST2() wq_spin_lock(a)
 177
 178 #define UINT_MAX ((unsigned) -1)
 179
 180 void intdiv_test(void)
 181 {
 182     printf("18/21=%u\n", 18/21);
 183     printf("18%%21=%u\n", 18%21);
 184     printf("41/21=%u\n", 41/21);
 185     printf("41%%21=%u\n", 41%21);
 186     printf("42/21=%u\n", 42/21);
 187     printf("42%%21=%u\n", 42%21);
 188     printf("43/21=%u\n", 43/21);
 189     printf("43%%21=%u\n", 43%21);
 190     printf("126/21=%u\n", 126/21);
 191     printf("126%%21=%u\n", 126%21);
 192     printf("131/21=%u\n", 131/21);
 193     printf("131%%21=%u\n", 131%21);
 194     printf("(UINT_MAX/2+3)/2=%u\n", (UINT_MAX/2+3)/2);
 195     printf("(UINT_MAX/2+3)%%2=%u\n", (UINT_MAX/2+3)%2);
 196
 197     printf("18/-21=%u\n", 18/-21);
 198     printf("18%%-21=%u\n", 18%-21);
 199     printf("41/-21=%u\n", 41/-21);
 200     printf("41%%-21=%u\n", 41%-21);
 201     printf("42/-21=%u\n", 42/-21);
 202     printf("42%%-21=%u\n", 42%-21);
 203     printf("43/-21=%u\n", 43/-21);
 204     printf("43%%-21=%u\n", 43%-21);
 205     printf("126/-21=%u\n", 126/-21);
 206     printf("126%%-21=%u\n", 126%-21);
 207     printf("131/-21=%u\n", 131/-21);
 208     printf("131%%-21=%u\n", 131%-21);
 209     printf("(UINT_MAX/2+3)/-2=%u\n", (UINT_MAX/2+3)/-2);
 210     printf("(UINT_MAX/2+3)%%-2=%u\n", (UINT_MAX/2+3)%-2);
 211
 212     printf("-18/21=%u\n", -18/21);
 213     printf("-18%%21=%u\n", -18%21);
 214     printf("-41/21=%u\n", -41/21);
 215     printf("-41%%21=%u\n", -41%21);
 216     printf("-42/21=%u\n", -42/21);
 217     printf("-42%%21=%u\n", -42%21);
 218     printf("-43/21=%u\n", -43/21);
 219     printf("-43%%21=%u\n", -43%21);
 220     printf("-126/21=%u\n", -126/21);
 221     printf("-126%%21=%u\n", -126%21);
 222     printf("-131/21=%u\n", -131/21);
 223     printf("-131%%21=%u\n", -131%21);
 224     printf("-(UINT_MAX/2+3)/2=%u\n", (0-(UINT_MAX/2+3))/2);
 225     printf("-(UINT_MAX/2+3)%%2=%u\n", (0-(UINT_MAX/2+3))%2);
 226
 227     printf("-18/-21=%u\n", -18/-21);
 228     printf("-18%%-21=%u\n", -18%-21);
 229     printf("-41/-21=%u\n", -41/-21);
 230     printf("-41%%-21=%u\n", -41%-21);
 231     printf("-42/-21=%u\n", -42/-21);
 232     printf("-42%%-21=%u\n", -42%-21);
 233     printf("-43/-21=%u\n", -43/-21);
 234     printf("-43%%-21=%u\n", -43%-21);
 235     printf("-126/-21=%u\n", -126/-21);
 236     printf("-126%%-21=%u\n", -126%-21);
 237     printf("-131/-21=%u\n", -131/-21);
 238     printf("-131%%-21=%u\n", -131%-21);
 239     printf("-(UINT_MAX/2+3)/-2=%u\n", (0-(UINT_MAX/2+3))/-2);
 240     printf("-(UINT_MAX/2+3)%%-2=%u\n", (0-(UINT_MAX/2+3))%-2);
 241 }
 242
 243 void macro_test(void)
 244 {
 245     printf("macro:\n");\f\v
 246     pf("N=%d\n", N);
 247     printf("aaa=%d\n", AAA);
 248
 249     printf("min=%d\n", min(1, min(2, -1)));
 250
 251     printf("s1=%s\n", glue(HIGH, LOW));
 252     printf("s2=%s\n", xglue(HIGH, LOW));
 253     printf("s3=%s\n", str("c"));
 254     printf("s4=%s\n", str(a1));
 255     printf("B3=%d\n", B3);
 256
 257     printf("onetwothree=%d\n", onetwothree);
 258
 259 #ifdef A
 260     printf("A defined\n");
 261 #endif
 262 #ifdef B
 263     printf("B defined\n");
 264 #endif
 265 #ifdef A
 266     printf("A defined\n");
 267 #else
 268     printf("A not defined\n");
 269 #endif
 270 #ifdef B
 271     printf("B defined\n");
 272 #else
 273     printf("B not defined\n");
 274 #endif
 275
 276 #ifdef A
 277     printf("A defined\n");
 278 #ifdef B
 279     printf("B1 defined\n");
 280 #else
 281     printf("B1 not defined\n");
 282 #endif
 283 #else
 284     printf("A not defined\n");
 285 #ifdef B
 286     printf("B2 defined\n");
 287 #else
 288     printf("B2 not defined\n");
 289 #endif
 290 #endif
 291
 292 #if 1+1
 293     printf("test true1\n");
 294 #endif
 295 #if 0
 296     printf("test true2\n");
 297 #endif
 298 #if 1-1
 299     printf("test true3\n");
 300 #endif
 301 #if defined(A)
 302     printf("test trueA\n");
 303 #endif
 304 #if defined(B)
 305     printf("test trueB\n");
 306 #endif
 307
 308 #if 0
 309     printf("test 0\n");
 310 #elif 0
 311     printf("test 1\n");
 312 #elif 2
 313     printf("test 2\n");
 314 #else
 315     printf("test 3\n");
 316 #endif
 317
 318     MACRO_NOARGS();
 319
 320 #ifdef __LINE__
 321     printf("__LINE__ defined\n");
 322 #endif
 323
 324     printf("__LINE__=%d __FILE__=%s\n",
 325            __LINE__, __FILE__);
 326 #if 0
 327 #line 200
 328     printf("__LINE__=%d __FILE__=%s\n",
 329            __LINE__, __FILE__);
 330 #line 203 "test"
 331     printf("__LINE__=%d __FILE__=%s\n",
 332            __LINE__, __FILE__);
 333 #line 227 "tcctest.c"
 334 #endif
 335
 336     /* not strictly preprocessor, but we test it there */
 337 #ifdef C99_MACROS
 338     printf("__func__ = %s\n", __func__);
 339     dprintf(1, "vaarg=%d\n", 1);
 340 #endif
 341     dprintf1(1, "vaarg1\n");
 342     dprintf1(1, "vaarg1=%d\n", 2);
 343     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 344
 345     /* gcc extension */
 346     printf("func='%s'\n", __FUNCTION__);
 347
 348     /* complicated macros in glibc */
 349     printf("INT64_MIN=" LONG_LONG_FORMAT "\n", INT64_MIN);
 350     {
 351         int a;
 352         a = 1;
 353         glue(a+, +);
 354         printf("a=%d\n", a);
 355         glue(a <, <= 2);
 356         printf("a=%d\n", a);
 357     }
 358
 359     /* macro function with argument outside the macro string */
 360 #define MF_s MF_hello
 361 #define MF_hello(msg) printf("%s\n",msg)
 362
 363 #define MF_t printf("tralala\n"); MF_hello
 364
 365     MF_s("hi");
 366     MF_t("hi");
 367
 368     /* test macro substituion inside args (should not eat stream) */
 369     printf("qq=%d\n", qq(qq)(2));
 370
 371     /* test zero argument case. NOTE: gcc 2.95.x does not accept a
 372        null argument without a space. gcc 3.2 fixes that. */
 373
 374 #define qq1(x) 1
 375     printf("qq1=%d\n", qq1( ));
 376
 377     /* comment with stray handling *\
 378 /
 379        /* this is a valid *\/ comment */
 380        /* this is a valid comment *\*/
 381     //  this is a valid\
 382 comment
 383
 384     /* test function macro substitution when the function name is
 385        substituted */
 386     TEST2();
 387
 388     /* And again when the name and parenthes are separated by a
 389        comment.  */
 390     TEST2 /* the comment */ ();
 391 }
 392
 393
 394 static void print_num(char *fn, int line, int num) {
 395     printf("fn %s, line %d, num %d\n", fn, line, num);
 396 }
 397
 398 void recursive_macro_test(void)
 399 {
 400
 401 #define ELF32_ST_TYPE(val)              ((val) & 0xf)
 402 #define ELF32_ST_INFO(bind, type)       (((bind) << 4) + ((type) & 0xf))
 403 #define STB_WEAK        2               /* Weak symbol */
 404 #define ELFW(type) ELF##32##_##type
 405     printf("%d\n", ELFW(ST_INFO)(STB_WEAK, ELFW(ST_TYPE)(123)));
 406
 407 #define WRAP(x) x
 408
 409 #define print_num(x) print_num(__FILE__,__LINE__,x)
 410     print_num(123);
 411     WRAP(print_num(123));
 412     WRAP(WRAP(print_num(123)));
 413
 414 static struct recursive_macro { int rm_field; } G;
 415 #define rm_field (G.rm_field)
 416     printf("rm_field = %d\n", rm_field);
 417     printf("rm_field = %d\n", WRAP(rm_field));
 418     WRAP((printf("rm_field = %d %d\n", rm_field, WRAP(rm_field))));
 419 }
 420
 421 int op(a,b)
 422 {
 423     return a / b;
 424 }
 425
 426 int ret(a)
 427 {
 428     if (a == 2)
 429         return 1;
 430     if (a == 3)
 431         return 2;
 432     return 0;
 433 }
 434
 435 void ps(const char *s)
 436 {
 437     int c;
 438     while (1) {
 439         c = *s;
 440         if (c == 0)
 441             break;
 442         printf("%c", c);
 443         s++;
 444     }
 445 }
 446
 447 const char foo1_string[] = "\
 448 bar\n\
 449 test\14\
 450 1";
 451
 452 void string_test()
 453 {
 454     unsigned int b;
 455     printf("string:\n");
 456     printf("\141\1423\143\n");/* dezdez test */
 457     printf("\x41\x42\x43\x3a\n");
 458     printf("c=%c\n", 'r');
 459     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 460     printf("foo1_string='%s'\n", foo1_string);
 461 #if 0
 462     printf("wstring=%S\n", L"abc");
 463     printf("wstring=%S\n", L"abc" L"def" "ghi");
 464     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 465     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 466 #endif
 467     ps("test\n");
 468     b = 32;
 469     while ((b = b + 1) < 96) {
 470         printf("%c", b);
 471     }
 472     printf("\n");
 473     printf("fib=%d\n", fib(33));
 474     b = 262144;
 475     while (b != 0x80000000) {
 476         num(b);
 477         b = b * 2;
 478     }
 479 }
 480
 481 void loop_test()
 482 {
 483     int i;
 484     i = 0;
 485     while (i < 10)
 486         printf("%d", i++);
 487     printf("\n");
 488     for(i = 0; i < 10;i++)
 489         printf("%d", i);
 490     printf("\n");
 491     i = 0;
 492     do {
 493         printf("%d", i++);
 494     } while (i < 10);
 495     printf("\n");
 496
 497     char count = 123;
 498     /* c99 for loop init test */
 499     for (size_t count = 1; count < 3; count++)
 500         printf("count=%d\n", count);
 501     printf("count = %d\n", count);
 502
 503     /* break/continue tests */
 504     i = 0;
 505     while (1) {
 506         if (i == 6)
 507             break;
 508         i++;
 509         if (i == 3)
 510             continue;
 511         printf("%d", i);
 512     }
 513     printf("\n");
 514
 515     /* break/continue tests */
 516     i = 0;
 517     do {
 518         if (i == 6)
 519             break;
 520         i++;
 521         if (i == 3)
 522             continue;
 523         printf("%d", i);
 524     } while(1);
 525     printf("\n");
 526
 527     for(i = 0;i < 10;i++) {
 528         if (i == 3)
 529             continue;
 530         printf("%d", i);
 531     }
 532     printf("\n");
 533 }
 534
 535 typedef int typedef_and_label;
 536
 537 void goto_test()
 538 {
 539     int i;
 540     static void *label_table[3] = { &&label1, &&label2, &&label3 };
 541
 542     printf("goto:\n");
 543     i = 0;
 544     /* This needs to parse as label, not as start of decl.  */
 545  typedef_and_label:
 546  s_loop:
 547     if (i >= 10)
 548         goto s_end;
 549     printf("%d", i);
 550     i++;
 551     goto s_loop;
 552  s_end:
 553     printf("\n");
 554
 555     /* we also test computed gotos (GCC extension) */
 556     for(i=0;i<3;i++) {
 557         goto *label_table[i];
 558     label1:
 559         printf("label1\n");
 560         goto next;
 561     label2:
 562         printf("label2\n");
 563         goto next;
 564     label3:
 565         printf("label3\n");
 566     next: ;
 567     }
 568 }
 569
 570 enum {
 571     E0,
 572     E1 = 2,
 573     E2 = 4,
 574     E3,
 575     E4,
 576 };
 577
 578 enum test {
 579     E5 = 1000,
 580 };
 581
 582 void enum_test()
 583 {
 584     enum test b1;
 585     printf("enum:\n%d %d %d %d %d %d\n",
 586            E0, E1, E2, E3, E4, E5);
 587     b1 = 1;
 588     printf("b1=%d\n", b1);
 589 }
 590
 591 typedef int *my_ptr;
 592
 593 typedef int mytype1;
 594 typedef int mytype2;
 595
 596 void typedef_test()
 597 {
 598     my_ptr a;
 599     mytype1 mytype2;
 600     int b;
 601
 602     a = &b;
 603     *a = 1234;
 604     printf("typedef:\n");
 605     printf("a=%d\n", *a);
 606     mytype2 = 2;
 607     printf("mytype2=%d\n", mytype2);
 608 }
 609
 610 void forward_test()
 611 {
 612     printf("forward:\n");
 613     forward_ref();
 614     forward_ref();
 615 }
 616
 617
 618 void forward_ref(void)
 619 {
 620     printf("forward ok\n");
 621 }
 622
 623 typedef struct struct1 {
 624     int f1;
 625     int f2, f3;
 626     union union1 {
 627         int v1;
 628         int v2;
 629     } u;
 630     char str[3];
 631 } struct1;
 632
 633 struct struct2 {
 634     int a;
 635     char b;
 636 };
 637
 638 union union2 {
 639     int w1;
 640     int w2;
 641 };
 642
 643 struct struct1 st1, st2;
 644
 645 int main(int argc, char **argv)
 646 {
 647     string_test();
 648     expr_test();
 649     macro_test();
 650     recursive_macro_test();
 651     scope_test();
 652     forward_test();
 653     funcptr_test();
 654     loop_test();
 655     switch_test();
 656     goto_test();
 657     enum_test();
 658     typedef_test();
 659     struct_test();
 660     array_test();
 661     expr_ptr_test();
 662     bool_test();
 663     expr2_test();
 664     constant_expr_test();
 665     expr_cmp_test();
 666     char_short_test();
 667     init_test();
 668     compound_literal_test();
 669     kr_test();
 670     struct_assign_test();
 671     cast_test();
 672     bitfield_test();
 673     c99_bool_test();
 674     float_test();
 675     longlong_test();
 676     manyarg_test();
 677     stdarg_test();
 678     whitespace_test();
 679     relocation_test();
 680     old_style_function();
 681     alloca_test();
 682     c99_vla_test(5, 2);
 683     sizeof_test();
 684     typeof_test();
 685     statement_expr_test();
 686     local_label_test();
 687     asm_test();
 688     builtin_test();
 689 #ifndef _WIN32
 690     weak_test();
 691 #endif
 692     global_data_test();
 693     cmp_comparison_test();
 694     math_cmp_test();
 695     callsave_test();
 696     builtin_frame_address_test();
 697     intdiv_test();
 698     if (via_volatile (42) != 42)
 699       printf ("via_volatile broken\n");
 700     return 0;
 701 }
 702
 703 int tab[3];
 704 int tab2[3][2];
 705
 706 int g;
 707
 708 void f1(g)
 709 {
 710     printf("g1=%d\n", g);
 711 }
 712
 713 void scope_test()
 714 {
 715     printf("scope:\n");
 716     g = 2;
 717     f1(1);
 718     printf("g2=%d\n", g);
 719     {
 720         int g;
 721         g = 3;
 722         printf("g3=%d\n", g);
 723         {
 724             int g;
 725             g = 4;
 726             printf("g4=%d\n", g);
 727         }
 728     }
 729     printf("g5=%d\n", g);
 730 }
 731
 732 void array_test()
 733 {
 734     int i, j, a[4];
 735
 736     printf("array:\n");
 737     printf("sizeof(a) = %d\n", sizeof(a));
 738     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 739 #ifdef C99_MACROS
 740     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 741 #endif
 742     printf("sizeof tab %d\n", sizeof(tab));
 743     printf("sizeof tab2 %d\n", sizeof tab2);
 744     tab[0] = 1;
 745     tab[1] = 2;
 746     tab[2] = 3;
 747     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 748     for(i=0;i<3;i++)
 749         for(j=0;j<2;j++)
 750             tab2[i][j] = 10 * i + j;
 751     for(i=0;i<3*2;i++) {
 752         printf(" %3d", ((int *)tab2)[i]);
 753     }
 754     printf("\n");
 755     printf("sizeof(size_t)=%d\n", sizeof(size_t));
 756     printf("sizeof(ptrdiff_t)=%d\n", sizeof(ptrdiff_t));
 757 }
 758
 759 void expr_test()
 760 {
 761     int a, b;
 762     a = 0;
 763     printf("%d\n", a += 1);
 764     printf("%d\n", a -= 2);
 765     printf("%d\n", a *= 31232132);
 766     printf("%d\n", a /= 4);
 767     printf("%d\n", a %= 20);
 768     printf("%d\n", a &= 6);
 769     printf("%d\n", a ^= 7);
 770     printf("%d\n", a |= 8);
 771     printf("%d\n", a >>= 3);
 772     printf("%d\n", a <<= 4);
 773
 774     a = 22321;
 775     b = -22321;
 776     printf("%d\n", a + 1);
 777     printf("%d\n", a - 2);
 778     printf("%d\n", a * 312);
 779     printf("%d\n", a / 4);
 780     printf("%d\n", b / 4);
 781     printf("%d\n", (unsigned)b / 4);
 782     printf("%d\n", a % 20);
 783     printf("%d\n", b % 20);
 784     printf("%d\n", (unsigned)b % 20);
 785     printf("%d\n", a & 6);
 786     printf("%d\n", a ^ 7);
 787     printf("%d\n", a | 8);
 788     printf("%d\n", a >> 3);
 789     printf("%d\n", b >> 3);
 790     printf("%d\n", (unsigned)b >> 3);
 791     printf("%d\n", a << 4);
 792     printf("%d\n", ~a);
 793     printf("%d\n", -a);
 794     printf("%d\n", +a);
 795
 796     printf("%d\n", 12 + 1);
 797     printf("%d\n", 12 - 2);
 798     printf("%d\n", 12 * 312);
 799     printf("%d\n", 12 / 4);
 800     printf("%d\n", 12 % 20);
 801     printf("%d\n", 12 & 6);
 802     printf("%d\n", 12 ^ 7);
 803     printf("%d\n", 12 | 8);
 804     printf("%d\n", 12 >> 2);
 805     printf("%d\n", 12 << 4);
 806     printf("%d\n", ~12);
 807     printf("%d\n", -12);
 808     printf("%d\n", +12);
 809     printf("%d %d %d %d\n",
 810            isid('a'),
 811            isid('g'),
 812            isid('T'),
 813            isid('('));
 814 }
 815
 816 int isid(int c)
 817 {
 818     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 819 }
 820
 821 /**********************/
 822
 823 int vstack[10], *vstack_ptr;
 824
 825 void vpush(int vt, int vc)
 826 {
 827     *vstack_ptr++ = vt;
 828     *vstack_ptr++ = vc;
 829 }
 830
 831 void vpop(int *ft, int *fc)
 832 {
 833     *fc = *--vstack_ptr;
 834     *ft = *--vstack_ptr;
 835 }
 836
 837 void expr2_test()
 838 {
 839     int a, b;
 840
 841     printf("expr2:\n");
 842     vstack_ptr = vstack;
 843     vpush(1432432, 2);
 844     vstack_ptr[-2] &= ~0xffffff80;
 845     vpop(&a, &b);
 846     printf("res= %d %d\n", a, b);
 847 }
 848
 849 void constant_expr_test()
 850 {
 851     int a;
 852     printf("constant_expr:\n");
 853     a = 3;
 854     printf("%d\n", a * 16);
 855     printf("%d\n", a * 1);
 856     printf("%d\n", a + 0);
 857 }
 858
 859 int tab4[10];
 860
 861 void expr_ptr_test()
 862 {
 863     int *p, *q;
 864     int i = -1;
 865
 866     printf("expr_ptr:\n");
 867     p = tab4;
 868     q = tab4 + 10;
 869     printf("diff=%d\n", q - p);
 870     p++;
 871     printf("inc=%d\n", p - tab4);
 872     p--;
 873     printf("dec=%d\n", p - tab4);
 874     ++p;
 875     printf("inc=%d\n", p - tab4);
 876     --p;
 877     printf("dec=%d\n", p - tab4);
 878     printf("add=%d\n", p + 3 - tab4);
 879     printf("add=%d\n", 3 + p - tab4);
 880
 881     /* check if 64bit support is ok */
 882     q = p = 0;
 883     q += i;
 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     i = 0xf0000000;
 888     p += i;
 889     printf("%p %p %ld\n", q, p, p-q);
 890     printf("%d %d %d %d %d %d\n",
 891            p == q, p != q, p < q, p <= q, p >= q, p > q);
 892     p = (int *)((char *)p + 0xf0000000);
 893     printf("%p %p %ld\n", q, p, p-q);
 894     printf("%d %d %d %d %d %d\n",
 895            p == q, p != q, p < q, p <= q, p >= q, p > q);
 896     p += 0xf0000000;
 897     printf("%p %p %ld\n", q, p, p-q);
 898     printf("%d %d %d %d %d %d\n",
 899            p == q, p != q, p < q, p <= q, p >= q, p > q);
 900     {
 901         struct size12 {
 902             int i, j, k;
 903         };
 904         struct size12 s[2], *sp = s;
 905         int i, j;
 906         sp->i = 42;
 907         sp++;
 908         j = -1;
 909         printf("%d\n", sp[j].i);
 910     }
 911 }
 912
 913 void expr_cmp_test()
 914 {
 915     int a, b;
 916     printf("constant_expr:\n");
 917     a = -1;
 918     b = 1;
 919     printf("%d\n", a == a);
 920     printf("%d\n", a != a);
 921
 922     printf("%d\n", a < b);
 923     printf("%d\n", a <= b);
 924     printf("%d\n", a <= a);
 925     printf("%d\n", b >= a);
 926     printf("%d\n", a >= a);
 927     printf("%d\n", b > a);
 928
 929     printf("%d\n", (unsigned)a < b);
 930     printf("%d\n", (unsigned)a <= b);
 931     printf("%d\n", (unsigned)a <= a);
 932     printf("%d\n", (unsigned)b >= a);
 933     printf("%d\n", (unsigned)a >= a);
 934     printf("%d\n", (unsigned)b > a);
 935 }
 936
 937 struct empty {
 938 };
 939
 940 struct aligntest1 {
 941     char a[10];
 942 };
 943
 944 struct aligntest2 {
 945     int a;
 946     char b[10];
 947 };
 948
 949 struct aligntest3 {
 950     double a, b;
 951 };
 952
 953 struct aligntest4 {
 954     double a[0];
 955 };
 956
 957 void struct_test()
 958 {
 959     struct1 *s;
 960     union union2 u;
 961
 962     printf("struct:\n");
 963     printf("sizes: %d %d %d %d\n",
 964            sizeof(struct struct1),
 965            sizeof(struct struct2),
 966            sizeof(union union1),
 967            sizeof(union union2));
 968     st1.f1 = 1;
 969     st1.f2 = 2;
 970     st1.f3 = 3;
 971     printf("st1: %d %d %d\n",
 972            st1.f1, st1.f2, st1.f3);
 973     st1.u.v1 = 1;
 974     st1.u.v2 = 2;
 975     printf("union1: %d\n", st1.u.v1);
 976     u.w1 = 1;
 977     u.w2 = 2;
 978     printf("union2: %d\n", u.w1);
 979     s = &st2;
 980     s->f1 = 3;
 981     s->f2 = 2;
 982     s->f3 = 1;
 983     printf("st2: %d %d %d\n",
 984            s->f1, s->f2, s->f3);
 985     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 986
 987     /* align / size tests */
 988     printf("aligntest1 sizeof=%d alignof=%d\n",
 989            sizeof(struct aligntest1), __alignof__(struct aligntest1));
 990     printf("aligntest2 sizeof=%d alignof=%d\n",
 991            sizeof(struct aligntest2), __alignof__(struct aligntest2));
 992     printf("aligntest3 sizeof=%d alignof=%d\n",
 993            sizeof(struct aligntest3), __alignof__(struct aligntest3));
 994     printf("aligntest4 sizeof=%d alignof=%d\n",
 995            sizeof(struct aligntest4), __alignof__(struct aligntest4));
 996
 997     /* empty structures (GCC extension) */
 998     printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
 999     printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
1000 }
1001
1002 /* XXX: depend on endianness */
1003 void char_short_test()
1004 {
1005     int var1, var2;
1006
1007     printf("char_short:\n");
1008
1009     var1 = 0x01020304;
1010     var2 = 0xfffefdfc;
1011     printf("s8=%d %d\n",
1012            *(char *)&var1, *(char *)&var2);
1013     printf("u8=%d %d\n",
1014            *(unsigned char *)&var1, *(unsigned char *)&var2);
1015     printf("s16=%d %d\n",
1016            *(short *)&var1, *(short *)&var2);
1017     printf("u16=%d %d\n",
1018            *(unsigned short *)&var1, *(unsigned short *)&var2);
1019     printf("s32=%d %d\n",
1020            *(int *)&var1, *(int *)&var2);
1021     printf("u32=%d %d\n",
1022            *(unsigned int *)&var1, *(unsigned int *)&var2);
1023     *(char *)&var1 = 0x08;
1024     printf("var1=%x\n", var1);
1025     *(short *)&var1 = 0x0809;
1026     printf("var1=%x\n", var1);
1027     *(int *)&var1 = 0x08090a0b;
1028     printf("var1=%x\n", var1);
1029 }
1030
1031 /******************/
1032
1033 typedef struct Sym {
1034     int v;
1035     int t;
1036     int c;
1037     struct Sym *next;
1038     struct Sym *prev;
1039 } Sym;
1040
1041 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
1042 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
1043
1044 static int toupper1(int a)
1045 {
1046     return TOUPPER(a);
1047 }
1048
1049 void bool_test()
1050 {
1051     int *s, a, b, t, f, i;
1052
1053     a = 0;
1054     s = (void*)0;
1055     printf("!s=%d\n", !s);
1056
1057     if (!s || !s[0])
1058         a = 1;
1059     printf("a=%d\n", a);
1060
1061     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
1062     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
1063     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
1064 #if 1 && 1
1065     printf("a1\n");
1066 #endif
1067 #if 1 || 0
1068     printf("a2\n");
1069 #endif
1070 #if 1 ? 0 : 1
1071     printf("a3\n");
1072 #endif
1073 #if 0 ? 0 : 1
1074     printf("a4\n");
1075 #endif
1076
1077     a = 4;
1078     printf("b=%d\n", a + (0 ? 1 : a / 2));
1079
1080     /* test register spilling */
1081     a = 10;
1082     b = 10;
1083     a = (a + b) * ((a < b) ?
1084                    ((b - a) * (a - b)): a + b);
1085     printf("a=%d\n", a);
1086
1087     /* test complex || or && expressions */
1088     t = 1;
1089     f = 0;
1090     a = 32;
1091     printf("exp=%d\n", f == (32 <= a && a <= 3));
1092     printf("r=%d\n", (t || f) + (t && f));
1093
1094     /* test ? : cast */
1095     {
1096         int aspect_on;
1097         int aspect_native = 65536;
1098         double bfu_aspect = 1.0;
1099         int aspect;
1100         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
1101             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
1102             printf("aspect=%d\n", aspect);
1103         }
1104     }
1105
1106     /* test ? : GCC extension */
1107     {
1108         static int v1 = 34 ? : -1; /* constant case */
1109         static int v2 = 0 ? : -1; /* constant case */
1110         int a = 30;
1111
1112         printf("%d %d\n", v1, v2);
1113         printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
1114     }
1115
1116     /* again complex expression */
1117     for(i=0;i<256;i++) {
1118         if (toupper1 (i) != TOUPPER (i))
1119             printf("error %d\n", i);
1120     }
1121 }
1122
1123 /* GCC accepts that */
1124 static int tab_reinit[];
1125 static int tab_reinit[10];
1126
1127 //int cinit1; /* a global variable can be defined several times without error ! */
1128 int cinit1;
1129 int cinit1;
1130 int cinit1 = 0;
1131 int *cinit2 = (int []){3, 2, 1};
1132
1133 void compound_literal_test(void)
1134 {
1135     int *p, i;
1136     char *q, *q3;
1137
1138     printf("compound_test:\n");
1139
1140     p = (int []){1, 2, 3};
1141     for(i=0;i<3;i++)
1142         printf(" %d", p[i]);
1143     printf("\n");
1144
1145     for(i=0;i<3;i++)
1146         printf("%d", cinit2[i]);
1147     printf("\n");
1148
1149     q = "tralala1";
1150     printf("q1=%s\n", q);
1151
1152     q = (char *){ "tralala2" };
1153     printf("q2=%s\n", q);
1154
1155     q3 = (char *){ q };
1156     printf("q3=%s\n", q3);
1157
1158     q = (char []){ "tralala3" };
1159     printf("q4=%s\n", q);
1160
1161 #ifdef ALL_ISOC99
1162     p = (int []){1, 2, cinit1 + 3};
1163     for(i=0;i<3;i++)
1164         printf(" %d", p[i]);
1165     printf("\n");
1166
1167     for(i=0;i<3;i++) {
1168         p = (int []){1, 2, 4 + i};
1169         printf("%d %d %d\n",
1170                p[0],
1171                p[1],
1172                p[2]);
1173     }
1174 #endif
1175 }
1176
1177 /* K & R protos */
1178
1179 kr_func1(a, b)
1180 {
1181     return a + b;
1182 }
1183
1184 int kr_func2(a, b)
1185 {
1186     return a + b;
1187 }
1188
1189 kr_test()
1190 {
1191     printf("kr_test:\n");
1192     printf("func1=%d\n", kr_func1(3, 4));
1193     printf("func2=%d\n", kr_func2(3, 4));
1194     return 0;
1195 }
1196
1197 void num(int n)
1198 {
1199     char *tab, *p;
1200     tab = (char*)malloc(20);
1201     p = tab;
1202     while (1) {
1203         *p = 48 + (n % 10);
1204         p++;
1205         n = n / 10;
1206         if (n == 0)
1207             break;
1208     }
1209     while (p != tab) {
1210         p--;
1211         printf("%c", *p);
1212     }
1213     printf("\n");
1214     free(tab);
1215 }
1216
1217 /* structure assignment tests */
1218 struct structa1 {
1219     int f1;
1220     char f2;
1221 };
1222
1223 struct structa1 ssta1;
1224
1225 void struct_assign_test1(struct structa1 s1, int t, float f)
1226 {
1227     printf("%d %d %d %f\n", s1.f1, s1.f2, t, f);
1228 }
1229
1230 struct structa1 struct_assign_test2(struct structa1 s1, int t)
1231 {
1232     s1.f1 += t;
1233     s1.f2 -= t;
1234     return s1;
1235 }
1236
1237 void struct_assign_test(void)
1238 {
1239     struct S {
1240       struct structa1 lsta1, lsta2;
1241       int i;
1242     } s, *ps;
1243
1244     ps = &s;
1245     ps->i = 4;
1246 #if 0
1247     printf("struct_assign_test:\n");
1248
1249     s.lsta1.f1 = 1;
1250     s.lsta1.f2 = 2;
1251     printf("%d %d\n", s.lsta1.f1, s.lsta1.f2);
1252     s.lsta2 = s.lsta1;
1253     printf("%d %d\n", s.lsta2.f1, s.lsta2.f2);
1254 #else
1255     s.lsta2.f1 = 1;
1256     s.lsta2.f2 = 2;
1257 #endif
1258     struct_assign_test1(ps->lsta2, 3, 4.5);
1259
1260     printf("before call: %d %d\n", s.lsta2.f1, s.lsta2.f2);
1261     ps->lsta2 = struct_assign_test2(ps->lsta2, ps->i);
1262     printf("after call: %d %d\n", ps->lsta2.f1, ps->lsta2.f2);
1263
1264     static struct {
1265         void (*elem)();
1266     } t[] = {
1267         /* XXX: we should allow this even without braces */
1268         { struct_assign_test }
1269     };
1270     printf("%d\n", struct_assign_test == t[0].elem);
1271 }
1272
1273 /* casts to short/char */
1274
1275 void cast1(char a, short b, unsigned char c, unsigned short d)
1276 {
1277     printf("%d %d %d %d\n", a, b, c, d);
1278 }
1279
1280 char bcast;
1281 short scast;
1282
1283 void cast_test()
1284 {
1285     int a;
1286     char c;
1287     char tab[10];
1288     unsigned b,d;
1289     short s;
1290     char *p = NULL;
1291     p -= 0x700000000042;
1292
1293     printf("cast_test:\n");
1294     a = 0xfffff;
1295     cast1(a, a, a, a);
1296     a = 0xffffe;
1297     printf("%d %d %d %d\n",
1298            (char)(a + 1),
1299            (short)(a + 1),
1300            (unsigned char)(a + 1),
1301            (unsigned short)(a + 1));
1302     printf("%d %d %d %d\n",
1303            (char)0xfffff,
1304            (short)0xfffff,
1305            (unsigned char)0xfffff,
1306            (unsigned short)0xfffff);
1307
1308     a = (bcast = 128) + 1;
1309     printf("%d\n", a);
1310     a = (scast = 65536) + 1;
1311     printf("%d\n", a);
1312
1313     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
1314
1315     /* test cast from unsigned to signed short to int */
1316     b = 0xf000;
1317     d = (short)b;
1318     printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
1319     b = 0xf0f0;
1320     d = (char)b;
1321     printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
1322
1323     /* test implicit int casting for array accesses */
1324     c = 0;
1325     tab[1] = 2;
1326     tab[c] = 1;
1327     printf("%d %d\n", tab[0], tab[1]);
1328
1329     /* test implicit casting on some operators */
1330     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
1331     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
1332     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
1333
1334     /* from pointer to integer types */
1335     printf("%d %d %ld %ld %lld %lld\n",
1336            (int)p, (unsigned int)p,
1337            (long)p, (unsigned long)p,
1338            (long long)p, (unsigned long long)p);
1339
1340     /* from integers to pointers */
1341     printf("%p %p %p %p\n",
1342            (void *)a, (void *)b, (void *)c, (void *)d);
1343 }
1344
1345 /* initializers tests */
1346 struct structinit1 {
1347     int f1;
1348     char f2;
1349     short f3;
1350     int farray[3];
1351 };
1352
1353 int sinit1 = 2;
1354 int sinit2 = { 3 };
1355 int sinit3[3] = { 1, 2, {{3}}, };
1356 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1357 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1358 int sinit6[] = { 1, 2, 3 };
1359 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1360 char sinit8[] = "hello" "trala";
1361
1362 struct structinit1 sinit9 = { 1, 2, 3 };
1363 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1364 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1365 #ifdef ALL_ISOC99
1366                                .farray[0] = 10,
1367                                .farray[1] = 11,
1368                                .farray[2] = 12,
1369 #endif
1370 };
1371
1372 char *sinit12 = "hello world";
1373 char *sinit13[] = {
1374     "test1",
1375     "test2",
1376     "test3",
1377 };
1378 char sinit14[10] = { "abc" };
1379 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1380
1381 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1382
1383 struct bar {
1384         char *s;
1385         int len;
1386 } sinit17[] = {
1387         "a1", 4,
1388         "a2", 1
1389 };
1390
1391 int sinit18[10] = {
1392     [2 ... 5] = 20,
1393     2,
1394     [8] = 10,
1395 };
1396
1397 struct complexinit0 {
1398     int a;
1399     int b;
1400 };
1401
1402 struct complexinit {
1403     int a;
1404     const struct complexinit0 *b;
1405 };
1406
1407 const static struct complexinit cix[] = {
1408     [0] = {
1409         .a = 2000,
1410         .b = (const struct complexinit0[]) {
1411                 { 2001, 2002 },
1412                 { 2003, 2003 },
1413                 {}
1414         }
1415     }
1416 };
1417
1418 struct complexinit2 {
1419         int a;
1420         int b[];
1421 };
1422
1423 struct complexinit2 cix20;
1424
1425 struct complexinit2 cix21 = {
1426         .a = 3000,
1427         .b = { 3001, 3002, 3003 }
1428 };
1429
1430 struct complexinit2 cix22 = {
1431         .a = 4000,
1432         .b = { 4001, 4002, 4003, 4004, 4005, 4006 }
1433 };
1434
1435 void init_test(void)
1436 {
1437     int linit1 = 2;
1438     int linit2 = { 3 };
1439     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1440     int linit6[] = { 1, 2, 3 };
1441     int i, j;
1442     char linit8[] = "hello" "trala";
1443     int linit12[10] = { 1, 2 };
1444     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1445     char linit14[10] = "abc";
1446     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1447     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1448     int linit17 = sizeof(linit17);
1449
1450     printf("init_test:\n");
1451
1452     printf("sinit1=%d\n", sinit1);
1453     printf("sinit2=%d\n", sinit2);
1454     printf("sinit3=%d %d %d %d\n",
1455            sizeof(sinit3),
1456            sinit3[0],
1457            sinit3[1],
1458            sinit3[2]
1459            );
1460     printf("sinit6=%d\n", sizeof(sinit6));
1461     printf("sinit7=%d %d %d %d\n",
1462            sizeof(sinit7),
1463            sinit7[0],
1464            sinit7[1],
1465            sinit7[2]
1466            );
1467     printf("sinit8=%s\n", sinit8);
1468     printf("sinit9=%d %d %d\n",
1469            sinit9.f1,
1470            sinit9.f2,
1471            sinit9.f3
1472            );
1473     printf("sinit10=%d %d %d\n",
1474            sinit10.f1,
1475            sinit10.f2,
1476            sinit10.f3
1477            );
1478     printf("sinit11=%d %d %d %d %d %d\n",
1479            sinit11.f1,
1480            sinit11.f2,
1481            sinit11.f3,
1482            sinit11.farray[0],
1483            sinit11.farray[1],
1484            sinit11.farray[2]
1485            );
1486
1487     for(i=0;i<3;i++)
1488         for(j=0;j<2;j++)
1489             printf("[%d][%d] = %d %d %d\n",
1490                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1491     printf("linit1=%d\n", linit1);
1492     printf("linit2=%d\n", linit2);
1493     printf("linit6=%d\n", sizeof(linit6));
1494     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1495
1496     printf("sinit12=%s\n", sinit12);
1497     printf("sinit13=%d %s %s %s\n",
1498            sizeof(sinit13),
1499            sinit13[0],
1500            sinit13[1],
1501            sinit13[2]);
1502     printf("sinit14=%s\n", sinit14);
1503
1504     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1505     printf("\n");
1506     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1507     printf("\n");
1508     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1509     printf("\n");
1510     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1511     printf("\n");
1512     printf("%d %d %d %d\n",
1513            linit16.a1,
1514            linit16.a2,
1515            linit16.a3,
1516            linit16.a4);
1517     /* test that initialisation is done after variable declare */
1518     printf("linit17=%d\n", linit17);
1519     printf("sinit15=%d\n", sinit15[0]);
1520     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1521     printf("sinit17=%s %d %s %d\n",
1522            sinit17[0].s, sinit17[0].len,
1523            sinit17[1].s, sinit17[1].len);
1524     for(i=0;i<10;i++)
1525         printf("%x ", sinit18[i]);
1526     printf("\n");
1527     /* complex init check */
1528     printf("cix: %d %d %d %d %d %d %d\n",
1529         cix[0].a,
1530         cix[0].b[0].a, cix[0].b[0].b,
1531         cix[0].b[1].a, cix[0].b[1].b,
1532         cix[0].b[2].a, cix[0].b[2].b);
1533     printf("cix2: %d %d\n", cix21.b[2], cix22.b[5]);
1534     printf("sizeof cix20 %d, cix21 %d, sizeof cix22 %d\n", sizeof cix20, sizeof cix21, sizeof cix22);
1535 }
1536
1537
1538 void switch_test()
1539 {
1540     int i;
1541
1542     for(i=0;i<15;i++) {
1543         switch(i) {
1544         case 0:
1545         case 1:
1546             printf("a");
1547             break;
1548         default:
1549             printf("%d", i);
1550             break;
1551         case 8 ... 12:
1552             printf("c");
1553             break;
1554         case 3:
1555             printf("b");
1556             break;
1557         }
1558     }
1559     printf("\n");
1560 }
1561
1562 /* ISOC99 _Bool type */
1563 void c99_bool_test(void)
1564 {
1565 #ifdef BOOL_ISOC99
1566     int a;
1567     _Bool b;
1568
1569     printf("bool_test:\n");
1570     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1571     a = 3;
1572     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1573     b = 3;
1574     printf("b = %d\n", b);
1575     b++;
1576     printf("b = %d\n", b);
1577 #endif
1578 }
1579
1580 void bitfield_test(void)
1581 {
1582     int a;
1583     short sa;
1584     unsigned char ca;
1585     struct sbf1 {
1586         int f1 : 3;
1587         int : 2;
1588         int f2 : 1;
1589         int : 0;
1590         int f3 : 5;
1591         int f4 : 7;
1592         unsigned int f5 : 7;
1593     } st1;
1594     printf("bitfield_test:");
1595     printf("sizeof(st1) = %d\n", sizeof(st1));
1596
1597     st1.f1 = 3;
1598     st1.f2 = 1;
1599     st1.f3 = 15;
1600     a = 120;
1601     st1.f4 = a;
1602     st1.f5 = a;
1603     st1.f5++;
1604     printf("%d %d %d %d %d\n",
1605            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1606     sa = st1.f5;
1607     ca = st1.f5;
1608     printf("%d %d\n", sa, ca);
1609
1610     st1.f1 = 7;
1611     if (st1.f1 == -1)
1612         printf("st1.f1 == -1\n");
1613     else
1614         printf("st1.f1 != -1\n");
1615     if (st1.f2 == -1)
1616         printf("st1.f2 == -1\n");
1617     else
1618         printf("st1.f2 != -1\n");
1619
1620     /* bit sizes below must be bigger than 32 since GCC doesn't allow
1621        long-long bitfields whose size is not bigger than int */
1622     struct sbf2 {
1623         long long f1 : 45;
1624         long long : 2;
1625         long long f2 : 35;
1626         unsigned long long f3 : 38;
1627     } st2;
1628     st2.f1 = 0x123456789ULL;
1629     a = 120;
1630     st2.f2 = (long long)a << 25;
1631     st2.f3 = a;
1632     st2.f2++;
1633     printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
1634 }
1635
1636 #ifdef __x86_64__
1637 #define FLOAT_FMT "%f\n"
1638 #else
1639 /* x86's float isn't compatible with GCC */
1640 #define FLOAT_FMT "%.5f\n"
1641 #endif
1642
1643 /* declare strto* functions as they are C99 */
1644 double strtod(const char *nptr, char **endptr);
1645
1646 #if defined(_WIN32)
1647 float strtof(const char *nptr, char **endptr) {return (float)strtod(nptr, endptr);}
1648 LONG_DOUBLE strtold(const char *nptr, char **endptr) {return (LONG_DOUBLE)strtod(nptr, endptr);}
1649 #else
1650 float strtof(const char *nptr, char **endptr);
1651 LONG_DOUBLE strtold(const char *nptr, char **endptr);
1652 #endif
1653
1654 #define FTEST(prefix, typename, type, fmt)\
1655 void prefix ## cmp(type a, type b)\
1656 {\
1657     printf("%d %d %d %d %d %d\n",\
1658            a == b,\
1659            a != b,\
1660            a < b,\
1661            a > b,\
1662            a >= b,\
1663            a <= b);\
1664     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1665            a,\
1666            b,\
1667            a + b,\
1668            a - b,\
1669            a * b,\
1670            a / b,\
1671            -a);\
1672     printf(fmt "\n", ++a);\
1673     printf(fmt "\n", a++);\
1674     printf(fmt "\n", a);\
1675     b = 0;\
1676     printf("%d %d\n", !a, !b);\
1677 }\
1678 void prefix ## fcast(type a)\
1679 {\
1680     float fa;\
1681     double da;\
1682     LONG_DOUBLE la;\
1683     int ia;\
1684     long long llia;\
1685     unsigned int ua;\
1686     unsigned long long llua;\
1687     type b;\
1688     fa = a;\
1689     da = a;\
1690     la = a;\
1691     printf("ftof: %f %f %Lf\n", fa, da, la);\
1692     ia = (int)a;\
1693     llia = (long long)a;\
1694     a = (a >= 0) ? a : -a;\
1695     ua = (unsigned int)a;\
1696     llua = (unsigned long long)a;\
1697     printf("ftoi: %d %u %lld %llu\n", ia, ua, llia, llua);\
1698     ia = -1234;\
1699     ua = 0x81234500;\
1700     llia = -0x123456789012345LL;\
1701     llua = 0xf123456789012345LLU;\
1702     b = ia;\
1703     printf("itof: " fmt "\n", b);\
1704     b = ua;\
1705     printf("utof: " fmt "\n", b);\
1706     b = llia;\
1707     printf("lltof: " fmt "\n", b);\
1708     b = llua;\
1709     printf("ulltof: " fmt "\n", b);\
1710 }\
1711 \
1712 float prefix ## retf(type a) { return a; }\
1713 double prefix ## retd(type a) { return a; }\
1714 LONG_DOUBLE prefix ## retld(type a) { return a; }\
1715 \
1716 void prefix ## call(void)\
1717 {\
1718     printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
1719     printf("double: %f\n", prefix ## retd(42.123456789));\
1720     printf("long double: %Lf\n", prefix ## retld(42.123456789));\
1721     printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
1722 }\
1723 \
1724 void prefix ## signed_zeros(void) \
1725 {\
1726   type x = 0.0, y = -0.0, n, p;\
1727   if (x == y)\
1728     printf ("Test 1.0 / x != 1.0 / y  returns %d (should be 1).\n",\
1729             1.0 / x != 1.0 / y);\
1730   else\
1731     printf ("x != y; this is wrong!\n");\
1732 \
1733   n = -x;\
1734   if (x == n)\
1735     printf ("Test 1.0 / x != 1.0 / -x returns %d (should be 1).\n",\
1736             1.0 / x != 1.0 / n);\
1737   else\
1738     printf ("x != -x; this is wrong!\n");\
1739 \
1740   p = +y;\
1741   if (x == p)\
1742     printf ("Test 1.0 / x != 1.0 / +y returns %d (should be 1).\n",\
1743             1.0 / x != 1.0 / p);\
1744   else\
1745     printf ("x != +y; this is wrong!\n");\
1746   p = -y;\
1747   if (x == p)\
1748     printf ("Test 1.0 / x != 1.0 / -y returns %d (should be 0).\n",\
1749             1.0 / x != 1.0 / p);\
1750   else\
1751     printf ("x != -y; this is wrong!\n");\
1752 }\
1753 void prefix ## test(void)\
1754 {\
1755     printf("testing '%s'\n", #typename);\
1756     prefix ## cmp(1, 2.5);\
1757     prefix ## cmp(2, 1.5);\
1758     prefix ## cmp(1, 1);\
1759     prefix ## fcast(234.6);\
1760     prefix ## fcast(-2334.6);\
1761     prefix ## call();\
1762     prefix ## signed_zeros();\
1763 }
1764
1765 FTEST(f, float, float, "%f")
1766 FTEST(d, double, double, "%f")
1767 FTEST(ld, long double, LONG_DOUBLE, "%Lf")
1768
1769 double ftab1[3] = { 1.2, 3.4, -5.6 };
1770
1771
1772 void float_test(void)
1773 {
1774 #if !defined(__arm__) || defined(__ARM_PCS_VFP)
1775     float fa, fb;
1776     double da, db;
1777     int a;
1778     unsigned int b;
1779
1780     printf("float_test:\n");
1781     printf("sizeof(float) = %d\n", sizeof(float));
1782     printf("sizeof(double) = %d\n", sizeof(double));
1783     printf("sizeof(long double) = %d\n", sizeof(LONG_DOUBLE));
1784     ftest();
1785     dtest();
1786     ldtest();
1787     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1788     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1789     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1790     da = 123;
1791     printf("da=%f\n", da);
1792     fa = 123;
1793     printf("fa=%f\n", fa);
1794     a = 4000000000;
1795     da = a;
1796     printf("da = %f\n", da);
1797     b = 4000000000;
1798     db = b;
1799     printf("db = %f\n", db);
1800 #endif
1801 }
1802
1803 int fib(int n)
1804 {
1805     if (n <= 2)
1806         return 1;
1807     else
1808         return fib(n-1) + fib(n-2);
1809 }
1810
1811 void funcptr_test()
1812 {
1813     void (*func)(int);
1814     int a;
1815     struct {
1816         int dummy;
1817         void (*func)(int);
1818     } st1;
1819
1820     printf("funcptr:\n");
1821     func = &num;
1822     (*func)(12345);
1823     func = num;
1824     a = 1;
1825     a = 1;
1826     func(12345);
1827     /* more complicated pointer computation */
1828     st1.func = num;
1829     st1.func(12346);
1830     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1831     printf("sizeof2 = %d\n", sizeof funcptr_test);
1832     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1833     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1834 }
1835
1836 void lloptest(long long a, long long b)
1837 {
1838     unsigned long long ua, ub;
1839
1840     ua = a;
1841     ub = b;
1842     /* arith */
1843     printf("arith: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1844            a + b,
1845            a - b,
1846            a * b);
1847
1848     if (b != 0) {
1849         printf("arith1: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1850            a / b,
1851            a % b);
1852     }
1853
1854     /* binary */
1855     printf("bin: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1856            a & b,
1857            a | b,
1858            a ^ b);
1859
1860     /* tests */
1861     printf("test: %d %d %d %d %d %d\n",
1862            a == b,
1863            a != b,
1864            a < b,
1865            a > b,
1866            a >= b,
1867            a <= b);
1868
1869     printf("utest: %d %d %d %d %d %d\n",
1870            ua == ub,
1871            ua != ub,
1872            ua < ub,
1873            ua > ub,
1874            ua >= ub,
1875            ua <= ub);
1876
1877     /* arith2 */
1878     a++;
1879     b++;
1880     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1881     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a++, b++);
1882     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", --a, --b);
1883     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1884     b = ub = 0;
1885     printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
1886 }
1887
1888 void llshift(long long a, int b)
1889 {
1890     printf("shift: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1891            (unsigned long long)a >> b,
1892            a >> b,
1893            a << b);
1894     printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1895            (unsigned long long)a >> 3,
1896            a >> 3,
1897            a << 3);
1898     printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1899            (unsigned long long)a >> 35,
1900            a >> 35,
1901            a << 35);
1902 }
1903
1904 void llfloat(void)
1905 {
1906     float fa;
1907     double da;
1908     LONG_DOUBLE lda;
1909     long long la, lb, lc;
1910     unsigned long long ula, ulb, ulc;
1911     la = 0x12345678;
1912     ula = 0x72345678;
1913     la = (la << 20) | 0x12345;
1914     ula = ula << 33;
1915     printf("la=" LONG_LONG_FORMAT " ula=" ULONG_LONG_FORMAT "\n", la, ula);
1916
1917     fa = la;
1918     da = la;
1919     lda = la;
1920     printf("lltof: %f %f %Lf\n", fa, da, lda);
1921
1922     la = fa;
1923     lb = da;
1924     lc = lda;
1925     printf("ftoll: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", la, lb, lc);
1926
1927     fa = ula;
1928     da = ula;
1929     lda = ula;
1930     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1931
1932     ula = fa;
1933     ulb = da;
1934     ulc = lda;
1935     printf("ftoull: " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT "\n", ula, ulb, ulc);
1936 }
1937
1938 long long llfunc1(int a)
1939 {
1940     return a * 2;
1941 }
1942
1943 struct S {
1944     int id;
1945     char item;
1946 };
1947
1948 long long int value(struct S *v)
1949 {
1950     return ((long long int)v->item);
1951 }
1952
1953 void longlong_test(void)
1954 {
1955     long long a, b, c;
1956     int ia;
1957     unsigned int ua;
1958     printf("longlong_test:\n");
1959     printf("sizeof(long long) = %d\n", sizeof(long long));
1960     ia = -1;
1961     ua = -2;
1962     a = ia;
1963     b = ua;
1964     printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1965     printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %Lx\n",
1966            (long long)1,
1967            (long long)-2,
1968            1LL,
1969            0x1234567812345679);
1970     a = llfunc1(-3);
1971     printf(LONG_LONG_FORMAT "\n", a);
1972
1973     lloptest(1000, 23);
1974     lloptest(0xff, 0x1234);
1975     b = 0x72345678 << 10;
1976     lloptest(-3, b);
1977     llshift(0x123, 5);
1978     llshift(-23, 5);
1979     b = 0x72345678LL << 10;
1980     llshift(b, 47);
1981
1982     llfloat();
1983 #if 1
1984     b = 0x12345678;
1985     a = -1;
1986     c = a + b;
1987     printf("%Lx\n", c);
1988 #endif
1989
1990     /* long long reg spill test */
1991     {
1992           struct S a;
1993
1994           a.item = 3;
1995           printf("%lld\n", value(&a));
1996     }
1997     lloptest(0x80000000, 0);
1998
1999     /* another long long spill test */
2000     {
2001         long long *p, v;
2002         v = 1;
2003         p = &v;
2004         p[0]++;
2005         printf("%lld\n", *p);
2006     }
2007
2008     a = 68719476720LL;
2009     b = 4294967295LL;
2010     printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
2011
2012     printf(LONG_LONG_FORMAT "\n", 0x123456789LLU);
2013 }
2014
2015 void manyarg_test(void)
2016 {
2017     LONG_DOUBLE ld = 1234567891234LL;
2018     printf("manyarg_test:\n");
2019     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
2020            1, 2, 3, 4, 5, 6, 7, 8,
2021            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
2022     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2023            LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
2024            1, 2, 3, 4, 5, 6, 7, 8,
2025            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2026            1234567891234LL, 987654321986LL,
2027            42.0, 43.0);
2028     printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2029            LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
2030            ld, 1, 2, 3, 4, 5, 6, 7, 8,
2031            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2032            1234567891234LL, 987654321986LL,
2033            42.0, 43.0);
2034     printf("%d %d %d %d %d %d %d %d %Lf\n",
2035            1, 2, 3, 4, 5, 6, 7, 8, ld);
2036     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2037            LONG_LONG_FORMAT " " LONG_LONG_FORMAT "%f %f %Lf\n",
2038            1, 2, 3, 4, 5, 6, 7, 8,
2039            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2040            1234567891234LL, 987654321986LL,
2041            42.0, 43.0, ld);
2042     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2043            "%Lf " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f %Lf\n",
2044            1, 2, 3, 4, 5, 6, 7, 8,
2045            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2046            ld, 1234567891234LL, 987654321986LL,
2047            42.0, 43.0, ld);
2048 }
2049
2050 void vprintf1(const char *fmt, ...)
2051 {
2052     va_list ap, aq;
2053     const char *p;
2054     int c, i;
2055     double d;
2056     long long ll;
2057     LONG_DOUBLE ld;
2058
2059     va_start(aq, fmt);
2060     va_copy(ap, aq);
2061
2062     p = fmt;
2063     for(;;) {
2064         c = *p;
2065         if (c == '\0')
2066             break;
2067         p++;
2068         if (c == '%') {
2069             c = *p;
2070             switch(c) {
2071             case '\0':
2072                 goto the_end;
2073             case 'd':
2074                 i = va_arg(ap, int);
2075                 printf("%d", i);
2076                 break;
2077             case 'f':
2078                 d = va_arg(ap, double);
2079                 printf("%f", d);
2080                 break;
2081             case 'l':
2082                 ll = va_arg(ap, long long);
2083                 printf(LONG_LONG_FORMAT, ll);
2084                 break;
2085             case 'F':
2086                 ld = va_arg(ap, LONG_DOUBLE);
2087                 printf("%Lf", ld);
2088                 break;
2089             }
2090             p++;
2091         } else {
2092             putchar(c);
2093         }
2094     }
2095  the_end:
2096     va_end(aq);
2097     va_end(ap);
2098 }
2099
2100 struct myspace {
2101     short int profile;
2102 };
2103
2104 void stdarg_for_struct(struct myspace bob, ...)
2105 {
2106     struct myspace george, bill;
2107     va_list ap;
2108     short int validate;
2109
2110     va_start(ap, bob);
2111     bill     = va_arg(ap, struct myspace);
2112     george   = va_arg(ap, struct myspace);
2113     validate = va_arg(ap, int);
2114     printf("stdarg_for_struct: %d %d %d %d\n",
2115            bob.profile, bill.profile, george.profile, validate);
2116     va_end(ap);
2117 }
2118
2119 void stdarg_test(void)
2120 {
2121     LONG_DOUBLE ld = 1234567891234LL;
2122     struct myspace bob;
2123
2124     vprintf1("%d %d %d\n", 1, 2, 3);
2125     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
2126     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
2127     vprintf1("%F %F %F\n", LONG_DOUBLE_LITERAL(1.2), LONG_DOUBLE_LITERAL(2.3), LONG_DOUBLE_LITERAL(3.4));
2128     vprintf1("%d %f %l %F %d %f %l %F\n",
2129              1, 1.2, 3LL, LONG_DOUBLE_LITERAL(4.5), 6, 7.8, 9LL, LONG_DOUBLE_LITERAL(0.1));
2130     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
2131              1, 2, 3, 4, 5, 6, 7, 8,
2132              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
2133     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
2134              1, 2, 3, 4, 5, 6, 7, 8,
2135              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
2136     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2137              "%l %l %f %f\n",
2138              1, 2, 3, 4, 5, 6, 7, 8,
2139              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2140              1234567891234LL, 987654321986LL,
2141              42.0, 43.0);
2142     vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2143              "%l %l %f %f\n",
2144              ld, 1, 2, 3, 4, 5, 6, 7, 8,
2145              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2146              1234567891234LL, 987654321986LL,
2147              42.0, 43.0);
2148     vprintf1("%d %d %d %d %d %d %d %d %F\n",
2149              1, 2, 3, 4, 5, 6, 7, 8, ld);
2150     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2151              "%l %l %f %f %F\n",
2152              1, 2, 3, 4, 5, 6, 7, 8,
2153              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2154              1234567891234LL, 987654321986LL,
2155              42.0, 43.0, ld);
2156     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2157              "%F %l %l %f %f %F\n",
2158              1, 2, 3, 4, 5, 6, 7, 8,
2159              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2160              ld, 1234567891234LL, 987654321986LL,
2161              42.0, 43.0, ld);
2162
2163     bob.profile = 42;
2164     stdarg_for_struct(bob, bob, bob, bob.profile);
2165 }
2166
2167 void whitespace_test(void)
2168 {
2169     char *str;
2170
2171 \f\v
#if 1
2172     pri\
2173 ntf("whitspace:\n");\f\v
2174 #endif
2175     pf("N=%d\n", 2);
2176
2177 #ifdef CORRECT_CR_HANDLING
2178     pri\
2179 ntf("aaa=%d\n", 3);
2180 #endif
2181
2182     pri\
2183 \
2184 ntf("min=%d\n", 4);
2185
2186 #ifdef ACCEPT_CR_IN_STRINGS
2187     printf("len1=%d\n", strlen("
2188 "));
2189 #ifdef CORRECT_CR_HANDLING
2190     str = "
2191 ";
2192     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
2193 #endif
2194     printf("len1=%d\n", strlen("
a
2195 "));
2196 #endif /* ACCEPT_CR_IN_STRINGS */
2197 }
2198
2199 int reltab[3] = { 1, 2, 3 };
2200
2201 int *rel1 = &reltab[1];
2202 int *rel2 = &reltab[2];
2203
2204 void relocation_test(void)
2205 {
2206     printf("*rel1=%d\n", *rel1);
2207     printf("*rel2=%d\n", *rel2);
2208 }
2209
2210 void old_style_f(a,b,c)
2211      int a, b;
2212      double c;
2213 {
2214     printf("a=%d b=%d b=%f\n", a, b, c);
2215 }
2216
2217 void decl_func1(int cmpfn())
2218 {
2219     printf("cmpfn=%lx\n", (long)cmpfn);
2220 }
2221
2222 void decl_func2(cmpfn)
2223 int cmpfn();
2224 {
2225     printf("cmpfn=%lx\n", (long)cmpfn);
2226 }
2227
2228 void old_style_function(void)
2229 {
2230     old_style_f((void *)1, 2, 3.0);
2231     decl_func1(NULL);
2232     decl_func2(NULL);
2233 }
2234
2235 void alloca_test()
2236 {
2237 #if defined __i386__ || defined __x86_64__ || defined __arm__
2238     char *p = alloca(16);
2239     strcpy(p,"123456789012345");
2240     printf("alloca: p is %s\n", p);
2241     char *demo = "This is only a test.\n";
2242     /* Test alloca embedded in a larger expression */
2243     printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
2244 #endif
2245 }
2246
2247 void *bounds_checking_is_enabled()
2248 {
2249     char ca[10], *cp = ca-1;
2250     return (ca != cp + 1) ? cp : NULL;
2251 }
2252
2253 typedef int constant_negative_array_size_as_compile_time_assertion_idiom[(1 ? 2 : 0) - 1];
2254
2255 void c99_vla_test(int size1, int size2)
2256 {
2257 #if defined __i386__ || defined __x86_64__
2258     int size = size1 * size2;
2259     int tab1[size][2], tab2[10][2];
2260     void *tab1_ptr, *tab2_ptr, *bad_ptr;
2261
2262     /* "size" should have been 'captured' at tab1 declaration,
2263         so modifying it should have no effect on VLA behaviour. */
2264     size = size-1;
2265
2266     printf("Test C99 VLA 1 (sizeof): ");
2267     printf("%s\n", (sizeof tab1 == size1 * size2 * 2 * sizeof(int)) ? "PASSED" : "FAILED");
2268     tab1_ptr = tab1;
2269     tab2_ptr = tab2;
2270     printf("Test C99 VLA 2 (ptrs subtract): ");
2271     printf("%s\n", (tab2 - tab1 == (tab2_ptr - tab1_ptr) / (sizeof(int) * 2)) ? "PASSED" : "FAILED");
2272     printf("Test C99 VLA 3 (ptr add): ");
2273     printf("%s\n", &tab1[5][1] == (tab1_ptr + (5 * 2 + 1) * sizeof(int)) ? "PASSED" : "FAILED");
2274     printf("Test C99 VLA 4 (ptr access): ");
2275     tab1[size1][1] = 42;
2276     printf("%s\n", (*((int *) (tab1_ptr + (size1 * 2 + 1) * sizeof(int))) == 42) ? "PASSED" : "FAILED");
2277
2278     printf("Test C99 VLA 5 (bounds checking (might be disabled)): ");
2279     if (bad_ptr = bounds_checking_is_enabled()) {
2280         int *t1 = &tab1[size1 * size2 - 1][3];
2281         int *t2 = &tab2[9][3];
2282         printf("%s ", bad_ptr == t1 ? "PASSED" : "FAILED");
2283         printf("%s ", bad_ptr == t2 ? "PASSED" : "FAILED");
2284
2285         char*c1 = 1 + sizeof(tab1) + (char*)tab1;
2286         char*c2 = 1 + sizeof(tab2) + (char*)tab2;
2287         printf("%s ", bad_ptr == c1 ? "PASSED" : "FAILED");
2288         printf("%s ", bad_ptr == c2 ? "PASSED" : "FAILED");
2289
2290         int *i1 = tab1[-1];
2291         int *i2 = tab2[-1];
2292         printf("%s ", bad_ptr == i1 ? "PASSED" : "FAILED");
2293         printf("%s ", bad_ptr == i2 ? "PASSED" : "FAILED");
2294
2295         int *x1 = tab1[size1 * size2 + 1];
2296         int *x2 = tab2[10 + 1];
2297         printf("%s ", bad_ptr == x1 ? "PASSED" : "FAILED");
2298         printf("%s ", bad_ptr == x2 ? "PASSED" : "FAILED");
2299     } else {
2300         printf("PASSED PASSED PASSED PASSED PASSED PASSED PASSED PASSED ");
2301     }
2302     printf("\n");
2303 #endif
2304 }
2305
2306 #ifndef __TINYC__
2307 typedef __SIZE_TYPE__ uintptr_t;
2308 #endif
2309
2310 void sizeof_test(void)
2311 {
2312     int a;
2313     int **ptr;
2314
2315     printf("sizeof(int) = %d\n", sizeof(int));
2316     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
2317     printf("sizeof(long) = %d\n", sizeof(long));
2318     printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
2319     printf("sizeof(short) = %d\n", sizeof(short));
2320     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
2321     printf("sizeof(char) = %d\n", sizeof(char));
2322     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
2323     printf("sizeof(func) = %d\n", sizeof sizeof_test());
2324     a = 1;
2325     printf("sizeof(a++) = %d\n", sizeof a++);
2326     printf("a=%d\n", a);
2327     ptr = NULL;
2328     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
2329
2330     /* The type of sizeof should be as large as a pointer, actually
2331        it should be size_t.  */
2332     printf("sizeof(sizeof(int) = %d\n", sizeof(sizeof(int)));
2333     uintptr_t t = 1;
2334     uintptr_t t2;
2335     /* Effectively <<32, but defined also on 32bit machines.  */
2336     t <<= 16;
2337     t <<= 16;
2338     t++;
2339     /* This checks that sizeof really can be used to manipulate
2340        uintptr_t objects, without truncation.  */
2341     t2 = t & -sizeof(uintptr_t);
2342     printf ("%lu %lu\n", t, t2);
2343
2344     /* some alignof tests */
2345     printf("__alignof__(int) = %d\n", __alignof__(int));
2346     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
2347     printf("__alignof__(short) = %d\n", __alignof__(short));
2348     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
2349     printf("__alignof__(char) = %d\n", __alignof__(char));
2350     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
2351     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
2352 }
2353
2354 void typeof_test(void)
2355 {
2356     double a;
2357     typeof(a) b;
2358     typeof(float) c;
2359
2360     a = 1.5;
2361     b = 2.5;
2362     c = 3.5;
2363     printf("a=%f b=%f c=%f\n", a, b, c);
2364 }
2365
2366 void statement_expr_test(void)
2367 {
2368     int a, i;
2369
2370     a = 0;
2371     for(i=0;i<10;i++) {
2372         a += 1 +
2373             ( { int b, j;
2374                 b = 0;
2375                 for(j=0;j<5;j++)
2376                     b += j; b;
2377             } );
2378     }
2379     printf("a=%d\n", a);
2380
2381 }
2382
2383 void local_label_test(void)
2384 {
2385     int a;
2386     goto l1;
2387  l2:
2388     a = 1 + ({
2389         __label__ l1, l2, l3, l4;
2390         goto l1;
2391     l4:
2392         printf("aa1\n");
2393         goto l3;
2394     l2:
2395         printf("aa3\n");
2396         goto l4;
2397     l1:
2398         printf("aa2\n");
2399         goto l2;
2400     l3:;
2401         1;
2402     });
2403     printf("a=%d\n", a);
2404     return;
2405  l4:
2406     printf("bb1\n");
2407     goto l2;
2408  l1:
2409     printf("bb2\n");
2410     goto l4;
2411 }
2412
2413 /* inline assembler test */
2414 #ifdef __i386__
2415
2416 /* from linux kernel */
2417 static char * strncat1(char * dest,const char * src,size_t count)
2418 {
2419 int d0, d1, d2, d3;
2420 __asm__ __volatile__(
2421         "repne\n\t"
2422         "scasb\n\t"
2423         "decl %1\n\t"
2424         "movl %8,%3\n"
2425         "1:\tdecl %3\n\t"
2426         "js 2f\n\t"
2427         "lodsb\n\t"
2428         "stosb\n\t"
2429         "testb %%al,%%al\n\t"
2430         "jne 1b\n"
2431         "2:\txorl %2,%2\n\t"
2432         "stosb"
2433         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2434         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2435         : "memory");
2436 return dest;
2437 }
2438
2439 static char * strncat2(char * dest,const char * src,size_t count)
2440 {
2441 int d0, d1, d2, d3;
2442 __asm__ __volatile__(
2443         "repne scasb\n\t" /* one-line repne prefix + string op */
2444         "decl %1\n\t"
2445         "movl %8,%3\n"
2446         "1:\tdecl %3\n\t"
2447         "js 2f\n\t"
2448         "lodsb\n\t"
2449         "stosb\n\t"
2450         "testb %%al,%%al\n\t"
2451         "jne 1b\n"
2452         "2:\txorl %2,%2\n\t"
2453         "stosb"
2454         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2455         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2456         : "memory");
2457 return dest;
2458 }
2459
2460 static inline void * memcpy1(void * to, const void * from, size_t n)
2461 {
2462 int d0, d1, d2;
2463 __asm__ __volatile__(
2464         "rep ; movsl\n\t"
2465         "testb $2,%b4\n\t"
2466         "je 1f\n\t"
2467         "movsw\n"
2468         "1:\ttestb $1,%b4\n\t"
2469         "je 2f\n\t"
2470         "movsb\n"
2471         "2:"
2472         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2473         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2474         : "memory");
2475 return (to);
2476 }
2477
2478 static inline void * memcpy2(void * to, const void * from, size_t n)
2479 {
2480 int d0, d1, d2;
2481 __asm__ __volatile__(
2482         "rep movsl\n\t"  /* one-line rep prefix + string op */
2483         "testb $2,%b4\n\t"
2484         "je 1f\n\t"
2485         "movsw\n"
2486         "1:\ttestb $1,%b4\n\t"
2487         "je 2f\n\t"
2488         "movsb\n"
2489         "2:"
2490         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2491         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2492         : "memory");
2493 return (to);
2494 }
2495
2496 static __inline__ void sigaddset1(unsigned int *set, int _sig)
2497 {
2498         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2499 }
2500
2501 static __inline__ void sigdelset1(unsigned int *set, int _sig)
2502 {
2503         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2504 }
2505
2506 static __inline__ __const__ unsigned int swab32(unsigned int x)
2507 {
2508         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
2509                 "rorl $16,%0\n\t"       /* swap words           */
2510                 "xchgb %b0,%h0"         /* swap higher bytes    */
2511                 :"=q" (x)
2512                 : "0" (x));
2513         return x;
2514 }
2515
2516 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
2517 {
2518     unsigned long long res;
2519     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
2520     return res;
2521 }
2522
2523 static __inline__ unsigned long long inc64(unsigned long long a)
2524 {
2525     unsigned long long res;
2526     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
2527     return res;
2528 }
2529
2530 unsigned int set;
2531
2532 void asm_test(void)
2533 {
2534     char buf[128];
2535     unsigned int val;
2536
2537     printf("inline asm:\n");
2538     /* test the no operand case */
2539     asm volatile ("xorl %eax, %eax");
2540
2541     memcpy1(buf, "hello", 6);
2542     strncat1(buf, " worldXXXXX", 3);
2543     printf("%s\n", buf);
2544
2545     memcpy2(buf, "hello", 6);
2546     strncat2(buf, " worldXXXXX", 3);
2547     printf("%s\n", buf);
2548
2549     /* 'A' constraint test */
2550     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
2551     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
2552
2553     set = 0xff;
2554     sigdelset1(&set, 2);
2555     sigaddset1(&set, 16);
2556     /* NOTE: we test here if C labels are correctly restored after the
2557        asm statement */
2558     goto label1;
2559  label2:
2560     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
2561 #ifdef __GNUC__ // works strange with GCC 4.3
2562     set=0x1080fd;
2563 #endif
2564     printf("set=0x%x\n", set);
2565     val = 0x01020304;
2566     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
2567     return;
2568  label1:
2569     goto label2;
2570 }
2571
2572 #else
2573
2574 void asm_test(void)
2575 {
2576 }
2577
2578 #endif
2579
2580 #define COMPAT_TYPE(type1, type2) \
2581 {\
2582     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
2583            __builtin_types_compatible_p (type1, type2));\
2584 }
2585
2586 int constant_p_var;
2587
2588 void builtin_test(void)
2589 {
2590 #if GCC_MAJOR >= 3
2591     COMPAT_TYPE(int, int);
2592     COMPAT_TYPE(int, unsigned int);
2593     COMPAT_TYPE(int, char);
2594     COMPAT_TYPE(int, const int);
2595     COMPAT_TYPE(int, volatile int);
2596     COMPAT_TYPE(int *, int *);
2597     COMPAT_TYPE(int *, void *);
2598     COMPAT_TYPE(int *, const int *);
2599     COMPAT_TYPE(char *, unsigned char *);
2600     COMPAT_TYPE(char *, signed char *);
2601     COMPAT_TYPE(char *, char *);
2602 /* space is needed because tcc preprocessor introduces a space between each token */
2603     COMPAT_TYPE(char * *, void *);
2604 #endif
2605     printf("res = %d\n", __builtin_constant_p(1));
2606     printf("res = %d\n", __builtin_constant_p(1 + 2));
2607     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
2608     printf("res = %d\n", __builtin_constant_p(constant_p_var));
2609 }
2610
2611 #ifndef _WIN32
2612 extern int __attribute__((weak)) weak_f1(void);
2613 extern int __attribute__((weak)) weak_f2(void);
2614 extern int                       weak_f3(void);
2615 extern int __attribute__((weak)) weak_v1;
2616 extern int __attribute__((weak)) weak_v2;
2617 extern int                       weak_v3;
2618
2619 extern int                           (*weak_fpa)() __attribute__((weak));
2620 extern int __attribute__((weak))     (*weak_fpb)();
2621 extern     __attribute__((weak)) int (*weak_fpc)();
2622
2623 extern int                     weak_asm_f1(void) asm("weak_asm_f1x") __attribute((weak));
2624 extern int __attribute((weak)) weak_asm_f2(void) asm("weak_asm_f2x")                    ;
2625 extern int __attribute((weak)) weak_asm_f3(void) asm("weak_asm_f3x") __attribute((weak));
2626 extern int                     weak_asm_v1       asm("weak_asm_v1x") __attribute((weak));
2627 extern int __attribute((weak)) weak_asm_v2       asm("weak_asm_v2x")                    ;
2628 extern int __attribute((weak)) weak_asm_v3(void) asm("weak_asm_v3x") __attribute((weak));
2629
2630 static const size_t dummy = 0;
2631 extern __typeof(dummy) weak_dummy1 __attribute__((weak, alias("dummy")));
2632 extern __typeof(dummy) __attribute__((weak, alias("dummy"))) weak_dummy2;
2633 extern __attribute__((weak, alias("dummy"))) __typeof(dummy) weak_dummy3;
2634
2635 int some_lib_func(void);
2636 int dummy_impl_of_slf(void) { return 444; }
2637 int some_lib_func(void) __attribute__((weak, alias("dummy_impl_of_slf")));
2638
2639 int weak_toolate() __attribute__((weak));
2640 int weak_toolate() { return 0; }
2641
2642 void __attribute__((weak)) weak_test(void)
2643 {
2644         printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
2645         printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
2646         printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
2647         printf("weak_v1=%d\n",&weak_v1 ? weak_v1   : 123);
2648         printf("weak_v2=%d\n",&weak_v2 ? weak_v2   : 123);
2649         printf("weak_v3=%d\n",&weak_v3 ? weak_v3   : 123);
2650
2651         printf("weak_fpa=%d\n",&weak_fpa ? weak_fpa() : 123);
2652         printf("weak_fpb=%d\n",&weak_fpb ? weak_fpb() : 123);
2653         printf("weak_fpc=%d\n",&weak_fpc ? weak_fpc() : 123);
2654
2655         printf("weak_asm_f1=%d\n", weak_asm_f1 != NULL);
2656         printf("weak_asm_f2=%d\n", weak_asm_f2 != NULL);
2657         printf("weak_asm_f3=%d\n", weak_asm_f3 != NULL);
2658         printf("weak_asm_v1=%d\n",&weak_asm_v1 != NULL);
2659         printf("weak_asm_v2=%d\n",&weak_asm_v2 != NULL);
2660         printf("weak_asm_v3=%d\n",&weak_asm_v3 != NULL);
2661 }
2662
2663 int __attribute__((weak)) weak_f2() { return 222; }
2664 int __attribute__((weak)) weak_f3() { return 333; }
2665 int __attribute__((weak)) weak_v2 = 222;
2666 int __attribute__((weak)) weak_v3 = 333;
2667 #endif
2668
2669 void const_func(const int a)
2670 {
2671 }
2672
2673 void const_warn_test(void)
2674 {
2675     const_func(1);
2676 }
2677
2678 struct condstruct {
2679   int i;
2680 };
2681
2682 int getme (struct condstruct *s, int i)
2683 {
2684   int i1 = (i == 0 ? 0 : s)->i;
2685   int i2 = (i == 0 ? s : 0)->i;
2686   int i3 = (i == 0 ? (void*)0 : s)->i;
2687   int i4 = (i == 0 ? s : (void*)0)->i;
2688   return i1 + i2 + i3 + i4;
2689 }
2690
2691 struct global_data
2692 {
2693   int a[40];
2694   int *b[40];
2695 };
2696
2697 struct global_data global_data;
2698
2699 int global_data_getstuff (int *, int);
2700
2701 void global_data_callit (int i)
2702 {
2703   *global_data.b[i] = global_data_getstuff (global_data.b[i], 1);
2704 }
2705
2706 int global_data_getstuff (int *p, int i)
2707 {
2708   return *p + i;
2709 }
2710
2711 void global_data_test (void)
2712 {
2713   global_data.a[0] = 42;
2714   global_data.b[0] = &global_data.a[0];
2715   global_data_callit (0);
2716   printf ("%d\n", global_data.a[0]);
2717 }
2718
2719 struct cmpcmpS
2720 {
2721   unsigned char fill : 3;
2722   unsigned char b1 : 1;
2723   unsigned char b2 : 1;
2724   unsigned char fill2 : 3;
2725 };
2726
2727 int glob1, glob2, glob3;
2728
2729 void compare_comparisons (struct cmpcmpS *s)
2730 {
2731   if (s->b1 != (glob1 == glob2)
2732       || (s->b2 != (glob1 == glob3)))
2733     printf ("comparing comparisons broken\n");
2734 }
2735
2736 void cmp_comparison_test(void)
2737 {
2738   struct cmpcmpS s;
2739   s.b1 = 1;
2740   glob1 = 42; glob2 = 42;
2741   s.b2 = 0;
2742   glob3 = 43;
2743   compare_comparisons (&s);
2744 }
2745
2746 int fcompare (double a, double b, int code)
2747 {
2748   switch (code) {
2749     case 0: return a == b;
2750     case 1: return a != b;
2751     case 2: return a < b;
2752     case 3: return a >= b;
2753     case 4: return a > b;
2754     case 5: return a <= b;
2755   }
2756 }
2757
2758 void math_cmp_test(void)
2759 {
2760   double nan = 0.0/0.0;
2761   double one = 1.0;
2762   double two = 2.0;
2763   int comp = 0;
2764 #define bug(a,b,op,iop,part) printf("Test broken: %s %s %s %s %d\n", #a, #b, #op, #iop, part)
2765
2766   /* This asserts that "a op b" is _not_ true, but "a iop b" is true.
2767      And it does this in various ways so that all code generation paths
2768      are checked (generating inverted tests, or non-inverted tests, or
2769      producing a 0/1 value without jumps (that's done in the fcompare
2770      function).  */
2771 #define FCMP(a,b,op,iop,code) \
2772   if (fcompare (a,b,code))    \
2773     bug (a,b,op,iop,1); \
2774   if (a op b) \
2775     bug (a,b,op,iop,2); \
2776   if (a iop b) \
2777     ; \
2778   else \
2779     bug (a,b,op,iop,3); \
2780   if ((a op b) || comp) \
2781     bug (a,b,op,iop,4); \
2782   if ((a iop b) || comp) \
2783     ; \
2784   else \
2785     bug (a,b,op,iop,5);
2786
2787   /* Equality tests.  */
2788   FCMP(nan, nan, ==, !=, 0);
2789   FCMP(one, two, ==, !=, 0);
2790   FCMP(one, one, !=, ==, 1);
2791   /* Non-equality is a bit special.  */
2792   if (!fcompare (nan, nan, 1))
2793     bug (nan, nan, !=, ==, 6);
2794
2795   /* Relational tests on numbers.  */
2796   FCMP(two, one, <, >=, 2);
2797   FCMP(one, two, >=, <, 3);
2798   FCMP(one, two, >, <=, 4);
2799   FCMP(two, one, <=, >, 5);
2800
2801   /* Relational tests on NaNs.  Note that the inverse op here is
2802      always !=, there's no operator in C that is equivalent to !(a < b),
2803      when NaNs are involved, same for the other relational ops.  */
2804   FCMP(nan, nan, <, !=, 2);
2805   FCMP(nan, nan, >=, !=, 3);
2806   FCMP(nan, nan, >, !=, 4);
2807   FCMP(nan, nan, <=, !=, 5);
2808 }
2809
2810 double get100 () { return 100.0; }
2811
2812 void callsave_test(void)
2813 {
2814 #if defined __i386__ || defined __x86_64__ || defined __arm__
2815   int i, s; double *d; double t;
2816   s = sizeof (double);
2817   printf ("callsavetest: %d\n", s);
2818   d = alloca (sizeof(double));
2819   d[0] = 10.0;
2820   /* x86-64 had a bug were the next call to get100 would evict
2821      the lvalue &d[0] as VT_LLOCAL, and the reload would be done
2822      in int type, not pointer type.  When alloca returns a pointer
2823      with the high 32 bit set (which is likely on x86-64) the access
2824      generates a segfault.  */
2825   i = d[0] > get100 ();
2826   printf ("%d\n", i);
2827 #endif
2828 }
2829
2830
2831 void bfa3(ptrdiff_t str_offset)
2832 {
2833     printf("bfa3: %s\n", (char *)__builtin_frame_address(3) + str_offset);
2834 }
2835 void bfa2(ptrdiff_t str_offset)
2836 {
2837     printf("bfa2: %s\n", (char *)__builtin_frame_address(2) + str_offset);
2838     bfa3(str_offset);
2839 }
2840 void bfa1(ptrdiff_t str_offset)
2841 {
2842     printf("bfa1: %s\n", (char *)__builtin_frame_address(1) + str_offset);
2843     bfa2(str_offset);
2844 }
2845
2846 void builtin_frame_address_test(void)
2847 {
2848 /* builtin_frame_address fails on ARM with gcc which make test3 fail */
2849 #ifndef __arm__
2850     char str[] = "__builtin_frame_address";
2851     char *fp0 = __builtin_frame_address(0);
2852
2853     printf("str: %s\n", str);
2854     bfa1(str-fp0);
2855 #endif
2856 }
2857
2858 char via_volatile (char i)
2859 {
2860   char volatile vi;
2861   vi = i;
2862   return vi;
2863 }