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         case 0xc33c6b9fU:
1558         case 0x7c9eeeb9U:
1559             break;
1560         }
1561     }
1562     printf("\n");
1563 }
1564
1565 /* ISOC99 _Bool type */
1566 void c99_bool_test(void)
1567 {
1568 #ifdef BOOL_ISOC99
1569     int a;
1570     _Bool b;
1571
1572     printf("bool_test:\n");
1573     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1574     a = 3;
1575     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1576     b = 3;
1577     printf("b = %d\n", b);
1578     b++;
1579     printf("b = %d\n", b);
1580 #endif
1581 }
1582
1583 void bitfield_test(void)
1584 {
1585     int a;
1586     short sa;
1587     unsigned char ca;
1588     struct sbf1 {
1589         int f1 : 3;
1590         int : 2;
1591         int f2 : 1;
1592         int : 0;
1593         int f3 : 5;
1594         int f4 : 7;
1595         unsigned int f5 : 7;
1596     } st1;
1597     printf("bitfield_test:");
1598     printf("sizeof(st1) = %d\n", sizeof(st1));
1599
1600     st1.f1 = 3;
1601     st1.f2 = 1;
1602     st1.f3 = 15;
1603     a = 120;
1604     st1.f4 = a;
1605     st1.f5 = a;
1606     st1.f5++;
1607     printf("%d %d %d %d %d\n",
1608            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1609     sa = st1.f5;
1610     ca = st1.f5;
1611     printf("%d %d\n", sa, ca);
1612
1613     st1.f1 = 7;
1614     if (st1.f1 == -1)
1615         printf("st1.f1 == -1\n");
1616     else
1617         printf("st1.f1 != -1\n");
1618     if (st1.f2 == -1)
1619         printf("st1.f2 == -1\n");
1620     else
1621         printf("st1.f2 != -1\n");
1622
1623     /* bit sizes below must be bigger than 32 since GCC doesn't allow
1624        long-long bitfields whose size is not bigger than int */
1625     struct sbf2 {
1626         long long f1 : 45;
1627         long long : 2;
1628         long long f2 : 35;
1629         unsigned long long f3 : 38;
1630     } st2;
1631     st2.f1 = 0x123456789ULL;
1632     a = 120;
1633     st2.f2 = (long long)a << 25;
1634     st2.f3 = a;
1635     st2.f2++;
1636     printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
1637 }
1638
1639 #ifdef __x86_64__
1640 #define FLOAT_FMT "%f\n"
1641 #else
1642 /* x86's float isn't compatible with GCC */
1643 #define FLOAT_FMT "%.5f\n"
1644 #endif
1645
1646 /* declare strto* functions as they are C99 */
1647 double strtod(const char *nptr, char **endptr);
1648
1649 #if defined(_WIN32)
1650 float strtof(const char *nptr, char **endptr) {return (float)strtod(nptr, endptr);}
1651 LONG_DOUBLE strtold(const char *nptr, char **endptr) {return (LONG_DOUBLE)strtod(nptr, endptr);}
1652 #else
1653 float strtof(const char *nptr, char **endptr);
1654 LONG_DOUBLE strtold(const char *nptr, char **endptr);
1655 #endif
1656
1657 #define FTEST(prefix, typename, type, fmt)\
1658 void prefix ## cmp(type a, type b)\
1659 {\
1660     printf("%d %d %d %d %d %d\n",\
1661            a == b,\
1662            a != b,\
1663            a < b,\
1664            a > b,\
1665            a >= b,\
1666            a <= b);\
1667     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1668            a,\
1669            b,\
1670            a + b,\
1671            a - b,\
1672            a * b,\
1673            a / b,\
1674            -a);\
1675     printf(fmt "\n", ++a);\
1676     printf(fmt "\n", a++);\
1677     printf(fmt "\n", a);\
1678     b = 0;\
1679     printf("%d %d\n", !a, !b);\
1680 }\
1681 void prefix ## fcast(type a)\
1682 {\
1683     float fa;\
1684     double da;\
1685     LONG_DOUBLE la;\
1686     int ia;\
1687     long long llia;\
1688     unsigned int ua;\
1689     unsigned long long llua;\
1690     type b;\
1691     fa = a;\
1692     da = a;\
1693     la = a;\
1694     printf("ftof: %f %f %Lf\n", fa, da, la);\
1695     ia = (int)a;\
1696     llia = (long long)a;\
1697     a = (a >= 0) ? a : -a;\
1698     ua = (unsigned int)a;\
1699     llua = (unsigned long long)a;\
1700     printf("ftoi: %d %u %lld %llu\n", ia, ua, llia, llua);\
1701     ia = -1234;\
1702     ua = 0x81234500;\
1703     llia = -0x123456789012345LL;\
1704     llua = 0xf123456789012345LLU;\
1705     b = ia;\
1706     printf("itof: " fmt "\n", b);\
1707     b = ua;\
1708     printf("utof: " fmt "\n", b);\
1709     b = llia;\
1710     printf("lltof: " fmt "\n", b);\
1711     b = llua;\
1712     printf("ulltof: " fmt "\n", b);\
1713 }\
1714 \
1715 float prefix ## retf(type a) { return a; }\
1716 double prefix ## retd(type a) { return a; }\
1717 LONG_DOUBLE prefix ## retld(type a) { return a; }\
1718 \
1719 void prefix ## call(void)\
1720 {\
1721     printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
1722     printf("double: %f\n", prefix ## retd(42.123456789));\
1723     printf("long double: %Lf\n", prefix ## retld(42.123456789));\
1724     printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
1725 }\
1726 \
1727 void prefix ## signed_zeros(void) \
1728 {\
1729   type x = 0.0, y = -0.0, n, p;\
1730   if (x == y)\
1731     printf ("Test 1.0 / x != 1.0 / y  returns %d (should be 1).\n",\
1732             1.0 / x != 1.0 / y);\
1733   else\
1734     printf ("x != y; this is wrong!\n");\
1735 \
1736   n = -x;\
1737   if (x == n)\
1738     printf ("Test 1.0 / x != 1.0 / -x returns %d (should be 1).\n",\
1739             1.0 / x != 1.0 / n);\
1740   else\
1741     printf ("x != -x; this is wrong!\n");\
1742 \
1743   p = +y;\
1744   if (x == p)\
1745     printf ("Test 1.0 / x != 1.0 / +y returns %d (should be 1).\n",\
1746             1.0 / x != 1.0 / p);\
1747   else\
1748     printf ("x != +y; this is wrong!\n");\
1749   p = -y;\
1750   if (x == p)\
1751     printf ("Test 1.0 / x != 1.0 / -y returns %d (should be 0).\n",\
1752             1.0 / x != 1.0 / p);\
1753   else\
1754     printf ("x != -y; this is wrong!\n");\
1755 }\
1756 void prefix ## test(void)\
1757 {\
1758     printf("testing '%s'\n", #typename);\
1759     prefix ## cmp(1, 2.5);\
1760     prefix ## cmp(2, 1.5);\
1761     prefix ## cmp(1, 1);\
1762     prefix ## fcast(234.6);\
1763     prefix ## fcast(-2334.6);\
1764     prefix ## call();\
1765     prefix ## signed_zeros();\
1766 }
1767
1768 FTEST(f, float, float, "%f")
1769 FTEST(d, double, double, "%f")
1770 FTEST(ld, long double, LONG_DOUBLE, "%Lf")
1771
1772 double ftab1[3] = { 1.2, 3.4, -5.6 };
1773
1774
1775 void float_test(void)
1776 {
1777 #if !defined(__arm__) || defined(__ARM_PCS_VFP)
1778     float fa, fb;
1779     double da, db;
1780     int a;
1781     unsigned int b;
1782
1783     printf("float_test:\n");
1784     printf("sizeof(float) = %d\n", sizeof(float));
1785     printf("sizeof(double) = %d\n", sizeof(double));
1786     printf("sizeof(long double) = %d\n", sizeof(LONG_DOUBLE));
1787     ftest();
1788     dtest();
1789     ldtest();
1790     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1791     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1792     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1793     da = 123;
1794     printf("da=%f\n", da);
1795     fa = 123;
1796     printf("fa=%f\n", fa);
1797     a = 4000000000;
1798     da = a;
1799     printf("da = %f\n", da);
1800     b = 4000000000;
1801     db = b;
1802     printf("db = %f\n", db);
1803 #endif
1804 }
1805
1806 int fib(int n)
1807 {
1808     if (n <= 2)
1809         return 1;
1810     else
1811         return fib(n-1) + fib(n-2);
1812 }
1813
1814 void funcptr_test()
1815 {
1816     void (*func)(int);
1817     int a;
1818     struct {
1819         int dummy;
1820         void (*func)(int);
1821     } st1;
1822
1823     printf("funcptr:\n");
1824     func = &num;
1825     (*func)(12345);
1826     func = num;
1827     a = 1;
1828     a = 1;
1829     func(12345);
1830     /* more complicated pointer computation */
1831     st1.func = num;
1832     st1.func(12346);
1833     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1834     printf("sizeof2 = %d\n", sizeof funcptr_test);
1835     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1836     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1837 }
1838
1839 void lloptest(long long a, long long b)
1840 {
1841     unsigned long long ua, ub;
1842
1843     ua = a;
1844     ub = b;
1845     /* arith */
1846     printf("arith: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1847            a + b,
1848            a - b,
1849            a * b);
1850
1851     if (b != 0) {
1852         printf("arith1: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1853            a / b,
1854            a % b);
1855     }
1856
1857     /* binary */
1858     printf("bin: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1859            a & b,
1860            a | b,
1861            a ^ b);
1862
1863     /* tests */
1864     printf("test: %d %d %d %d %d %d\n",
1865            a == b,
1866            a != b,
1867            a < b,
1868            a > b,
1869            a >= b,
1870            a <= b);
1871
1872     printf("utest: %d %d %d %d %d %d\n",
1873            ua == ub,
1874            ua != ub,
1875            ua < ub,
1876            ua > ub,
1877            ua >= ub,
1878            ua <= ub);
1879
1880     /* arith2 */
1881     a++;
1882     b++;
1883     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1884     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a++, b++);
1885     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", --a, --b);
1886     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1887     b = ub = 0;
1888     printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
1889 }
1890
1891 void llshift(long long a, int b)
1892 {
1893     printf("shift: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1894            (unsigned long long)a >> b,
1895            a >> b,
1896            a << b);
1897     printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1898            (unsigned long long)a >> 3,
1899            a >> 3,
1900            a << 3);
1901     printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1902            (unsigned long long)a >> 35,
1903            a >> 35,
1904            a << 35);
1905 }
1906
1907 void llfloat(void)
1908 {
1909     float fa;
1910     double da;
1911     LONG_DOUBLE lda;
1912     long long la, lb, lc;
1913     unsigned long long ula, ulb, ulc;
1914     la = 0x12345678;
1915     ula = 0x72345678;
1916     la = (la << 20) | 0x12345;
1917     ula = ula << 33;
1918     printf("la=" LONG_LONG_FORMAT " ula=" ULONG_LONG_FORMAT "\n", la, ula);
1919
1920     fa = la;
1921     da = la;
1922     lda = la;
1923     printf("lltof: %f %f %Lf\n", fa, da, lda);
1924
1925     la = fa;
1926     lb = da;
1927     lc = lda;
1928     printf("ftoll: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", la, lb, lc);
1929
1930     fa = ula;
1931     da = ula;
1932     lda = ula;
1933     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1934
1935     ula = fa;
1936     ulb = da;
1937     ulc = lda;
1938     printf("ftoull: " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT "\n", ula, ulb, ulc);
1939 }
1940
1941 long long llfunc1(int a)
1942 {
1943     return a * 2;
1944 }
1945
1946 struct S {
1947     int id;
1948     char item;
1949 };
1950
1951 long long int value(struct S *v)
1952 {
1953     return ((long long int)v->item);
1954 }
1955
1956 void longlong_test(void)
1957 {
1958     long long a, b, c;
1959     int ia;
1960     unsigned int ua;
1961     printf("longlong_test:\n");
1962     printf("sizeof(long long) = %d\n", sizeof(long long));
1963     ia = -1;
1964     ua = -2;
1965     a = ia;
1966     b = ua;
1967     printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1968     printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %Lx\n",
1969            (long long)1,
1970            (long long)-2,
1971            1LL,
1972            0x1234567812345679);
1973     a = llfunc1(-3);
1974     printf(LONG_LONG_FORMAT "\n", a);
1975
1976     lloptest(1000, 23);
1977     lloptest(0xff, 0x1234);
1978     b = 0x72345678 << 10;
1979     lloptest(-3, b);
1980     llshift(0x123, 5);
1981     llshift(-23, 5);
1982     b = 0x72345678LL << 10;
1983     llshift(b, 47);
1984
1985     llfloat();
1986 #if 1
1987     b = 0x12345678;
1988     a = -1;
1989     c = a + b;
1990     printf("%Lx\n", c);
1991 #endif
1992
1993     /* long long reg spill test */
1994     {
1995           struct S a;
1996
1997           a.item = 3;
1998           printf("%lld\n", value(&a));
1999     }
2000     lloptest(0x80000000, 0);
2001
2002     /* another long long spill test */
2003     {
2004         long long *p, v;
2005         v = 1;
2006         p = &v;
2007         p[0]++;
2008         printf("%lld\n", *p);
2009     }
2010
2011     a = 68719476720LL;
2012     b = 4294967295LL;
2013     printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
2014
2015     printf(LONG_LONG_FORMAT "\n", 0x123456789LLU);
2016
2017     /* long long pointer deref in argument passing test */
2018     a = 0x123;
2019     long long *p = &a;
2020     llshift(*p, 5);
2021 }
2022
2023 void manyarg_test(void)
2024 {
2025     LONG_DOUBLE ld = 1234567891234LL;
2026     printf("manyarg_test:\n");
2027     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
2028            1, 2, 3, 4, 5, 6, 7, 8,
2029            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
2030     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2031            LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
2032            1, 2, 3, 4, 5, 6, 7, 8,
2033            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2034            1234567891234LL, 987654321986LL,
2035            42.0, 43.0);
2036     printf("%Lf %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\n",
2038            ld, 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);
2042     printf("%d %d %d %d %d %d %d %d %Lf\n",
2043            1, 2, 3, 4, 5, 6, 7, 8, ld);
2044     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2045            LONG_LONG_FORMAT " " LONG_LONG_FORMAT "%f %f %Lf\n",
2046            1, 2, 3, 4, 5, 6, 7, 8,
2047            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2048            1234567891234LL, 987654321986LL,
2049            42.0, 43.0, ld);
2050     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2051            "%Lf " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f %Lf\n",
2052            1, 2, 3, 4, 5, 6, 7, 8,
2053            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2054            ld, 1234567891234LL, 987654321986LL,
2055            42.0, 43.0, ld);
2056 }
2057
2058 void vprintf1(const char *fmt, ...)
2059 {
2060     va_list ap, aq;
2061     const char *p;
2062     int c, i;
2063     double d;
2064     long long ll;
2065     LONG_DOUBLE ld;
2066
2067     va_start(aq, fmt);
2068     va_copy(ap, aq);
2069
2070     p = fmt;
2071     for(;;) {
2072         c = *p;
2073         if (c == '\0')
2074             break;
2075         p++;
2076         if (c == '%') {
2077             c = *p;
2078             switch(c) {
2079             case '\0':
2080                 goto the_end;
2081             case 'd':
2082                 i = va_arg(ap, int);
2083                 printf("%d", i);
2084                 break;
2085             case 'f':
2086                 d = va_arg(ap, double);
2087                 printf("%f", d);
2088                 break;
2089             case 'l':
2090                 ll = va_arg(ap, long long);
2091                 printf(LONG_LONG_FORMAT, ll);
2092                 break;
2093             case 'F':
2094                 ld = va_arg(ap, LONG_DOUBLE);
2095                 printf("%Lf", ld);
2096                 break;
2097             }
2098             p++;
2099         } else {
2100             putchar(c);
2101         }
2102     }
2103  the_end:
2104     va_end(aq);
2105     va_end(ap);
2106 }
2107
2108 struct myspace {
2109     short int profile;
2110 };
2111
2112 void stdarg_for_struct(struct myspace bob, ...)
2113 {
2114     struct myspace george, bill;
2115     va_list ap;
2116     short int validate;
2117
2118     va_start(ap, bob);
2119     bill     = va_arg(ap, struct myspace);
2120     george   = va_arg(ap, struct myspace);
2121     validate = va_arg(ap, int);
2122     printf("stdarg_for_struct: %d %d %d %d\n",
2123            bob.profile, bill.profile, george.profile, validate);
2124     va_end(ap);
2125 }
2126
2127 void stdarg_for_libc(const char *fmt, ...)
2128 {
2129     va_list args;
2130     va_start(args, fmt);
2131     vprintf(fmt, args);
2132     va_end(args);
2133 }
2134
2135 void stdarg_test(void)
2136 {
2137     LONG_DOUBLE ld = 1234567891234LL;
2138     struct myspace bob;
2139
2140     vprintf1("%d %d %d\n", 1, 2, 3);
2141     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
2142     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
2143     vprintf1("%F %F %F\n", LONG_DOUBLE_LITERAL(1.2), LONG_DOUBLE_LITERAL(2.3), LONG_DOUBLE_LITERAL(3.4));
2144     vprintf1("%d %f %l %F %d %f %l %F\n",
2145              1, 1.2, 3LL, LONG_DOUBLE_LITERAL(4.5), 6, 7.8, 9LL, LONG_DOUBLE_LITERAL(0.1));
2146     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
2147              1, 2, 3, 4, 5, 6, 7, 8,
2148              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
2149     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
2150              1, 2, 3, 4, 5, 6, 7, 8,
2151              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
2152     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2153              "%l %l %f %f\n",
2154              1, 2, 3, 4, 5, 6, 7, 8,
2155              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2156              1234567891234LL, 987654321986LL,
2157              42.0, 43.0);
2158     vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2159              "%l %l %f %f\n",
2160              ld, 1, 2, 3, 4, 5, 6, 7, 8,
2161              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2162              1234567891234LL, 987654321986LL,
2163              42.0, 43.0);
2164     vprintf1("%d %d %d %d %d %d %d %d %F\n",
2165              1, 2, 3, 4, 5, 6, 7, 8, ld);
2166     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2167              "%l %l %f %f %F\n",
2168              1, 2, 3, 4, 5, 6, 7, 8,
2169              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2170              1234567891234LL, 987654321986LL,
2171              42.0, 43.0, ld);
2172     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2173              "%F %l %l %f %f %F\n",
2174              1, 2, 3, 4, 5, 6, 7, 8,
2175              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2176              ld, 1234567891234LL, 987654321986LL,
2177              42.0, 43.0, ld);
2178
2179     bob.profile = 42;
2180     stdarg_for_struct(bob, bob, bob, bob.profile);
2181     stdarg_for_libc("stdarg_for_libc: %s %.2f %d\n", "string", 1.23, 456);
2182 }
2183
2184 void whitespace_test(void)
2185 {
2186     char *str;
2187
2188 \f\v
#if 1
2189     pri\
2190 ntf("whitspace:\n");\f\v
2191 #endif
2192     pf("N=%d\n", 2);
2193
2194 #ifdef CORRECT_CR_HANDLING
2195     pri\
2196 ntf("aaa=%d\n", 3);
2197 #endif
2198
2199     pri\
2200 \
2201 ntf("min=%d\n", 4);
2202
2203 #ifdef ACCEPT_CR_IN_STRINGS
2204     printf("len1=%d\n", strlen("
2205 "));
2206 #ifdef CORRECT_CR_HANDLING
2207     str = "
2208 ";
2209     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
2210 #endif
2211     printf("len1=%d\n", strlen("
a
2212 "));
2213 #endif /* ACCEPT_CR_IN_STRINGS */
2214 }
2215
2216 int reltab[3] = { 1, 2, 3 };
2217
2218 int *rel1 = &reltab[1];
2219 int *rel2 = &reltab[2];
2220
2221 void relocation_test(void)
2222 {
2223     printf("*rel1=%d\n", *rel1);
2224     printf("*rel2=%d\n", *rel2);
2225 }
2226
2227 void old_style_f(a,b,c)
2228      int a, b;
2229      double c;
2230 {
2231     printf("a=%d b=%d b=%f\n", a, b, c);
2232 }
2233
2234 void decl_func1(int cmpfn())
2235 {
2236     printf("cmpfn=%lx\n", (long)cmpfn);
2237 }
2238
2239 void decl_func2(cmpfn)
2240 int cmpfn();
2241 {
2242     printf("cmpfn=%lx\n", (long)cmpfn);
2243 }
2244
2245 void old_style_function(void)
2246 {
2247     old_style_f((void *)1, 2, 3.0);
2248     decl_func1(NULL);
2249     decl_func2(NULL);
2250 }
2251
2252 void alloca_test()
2253 {
2254 #if defined __i386__ || defined __x86_64__ || defined __arm__
2255     char *p = alloca(16);
2256     strcpy(p,"123456789012345");
2257     printf("alloca: p is %s\n", p);
2258     char *demo = "This is only a test.\n";
2259     /* Test alloca embedded in a larger expression */
2260     printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
2261 #endif
2262 }
2263
2264 void *bounds_checking_is_enabled()
2265 {
2266     char ca[10], *cp = ca-1;
2267     return (ca != cp + 1) ? cp : NULL;
2268 }
2269
2270 typedef int constant_negative_array_size_as_compile_time_assertion_idiom[(1 ? 2 : 0) - 1];
2271
2272 void c99_vla_test(int size1, int size2)
2273 {
2274 #if defined __i386__ || defined __x86_64__
2275     int size = size1 * size2;
2276     int tab1[size][2], tab2[10][2];
2277     void *tab1_ptr, *tab2_ptr, *bad_ptr;
2278
2279     /* "size" should have been 'captured' at tab1 declaration,
2280         so modifying it should have no effect on VLA behaviour. */
2281     size = size-1;
2282
2283     printf("Test C99 VLA 1 (sizeof): ");
2284     printf("%s\n", (sizeof tab1 == size1 * size2 * 2 * sizeof(int)) ? "PASSED" : "FAILED");
2285     tab1_ptr = tab1;
2286     tab2_ptr = tab2;
2287     printf("Test C99 VLA 2 (ptrs subtract): ");
2288     printf("%s\n", (tab2 - tab1 == (tab2_ptr - tab1_ptr) / (sizeof(int) * 2)) ? "PASSED" : "FAILED");
2289     printf("Test C99 VLA 3 (ptr add): ");
2290     printf("%s\n", &tab1[5][1] == (tab1_ptr + (5 * 2 + 1) * sizeof(int)) ? "PASSED" : "FAILED");
2291     printf("Test C99 VLA 4 (ptr access): ");
2292     tab1[size1][1] = 42;
2293     printf("%s\n", (*((int *) (tab1_ptr + (size1 * 2 + 1) * sizeof(int))) == 42) ? "PASSED" : "FAILED");
2294
2295     printf("Test C99 VLA 5 (bounds checking (might be disabled)): ");
2296     if (bad_ptr = bounds_checking_is_enabled()) {
2297         int *t1 = &tab1[size1 * size2 - 1][3];
2298         int *t2 = &tab2[9][3];
2299         printf("%s ", bad_ptr == t1 ? "PASSED" : "FAILED");
2300         printf("%s ", bad_ptr == t2 ? "PASSED" : "FAILED");
2301
2302         char*c1 = 1 + sizeof(tab1) + (char*)tab1;
2303         char*c2 = 1 + sizeof(tab2) + (char*)tab2;
2304         printf("%s ", bad_ptr == c1 ? "PASSED" : "FAILED");
2305         printf("%s ", bad_ptr == c2 ? "PASSED" : "FAILED");
2306
2307         int *i1 = tab1[-1];
2308         int *i2 = tab2[-1];
2309         printf("%s ", bad_ptr == i1 ? "PASSED" : "FAILED");
2310         printf("%s ", bad_ptr == i2 ? "PASSED" : "FAILED");
2311
2312         int *x1 = tab1[size1 * size2 + 1];
2313         int *x2 = tab2[10 + 1];
2314         printf("%s ", bad_ptr == x1 ? "PASSED" : "FAILED");
2315         printf("%s ", bad_ptr == x2 ? "PASSED" : "FAILED");
2316     } else {
2317         printf("PASSED PASSED PASSED PASSED PASSED PASSED PASSED PASSED ");
2318     }
2319     printf("\n");
2320 #endif
2321 }
2322
2323 #ifndef __TINYC__
2324 typedef __SIZE_TYPE__ uintptr_t;
2325 #endif
2326
2327 void sizeof_test(void)
2328 {
2329     int a;
2330     int **ptr;
2331
2332     printf("sizeof(int) = %d\n", sizeof(int));
2333     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
2334     printf("sizeof(long) = %d\n", sizeof(long));
2335     printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
2336     printf("sizeof(short) = %d\n", sizeof(short));
2337     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
2338     printf("sizeof(char) = %d\n", sizeof(char));
2339     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
2340     printf("sizeof(func) = %d\n", sizeof sizeof_test());
2341     a = 1;
2342     printf("sizeof(a++) = %d\n", sizeof a++);
2343     printf("a=%d\n", a);
2344     ptr = NULL;
2345     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
2346
2347     /* The type of sizeof should be as large as a pointer, actually
2348        it should be size_t.  */
2349     printf("sizeof(sizeof(int) = %d\n", sizeof(sizeof(int)));
2350     uintptr_t t = 1;
2351     uintptr_t t2;
2352     /* Effectively <<32, but defined also on 32bit machines.  */
2353     t <<= 16;
2354     t <<= 16;
2355     t++;
2356     /* This checks that sizeof really can be used to manipulate
2357        uintptr_t objects, without truncation.  */
2358     t2 = t & -sizeof(uintptr_t);
2359     printf ("%lu %lu\n", t, t2);
2360
2361     /* some alignof tests */
2362     printf("__alignof__(int) = %d\n", __alignof__(int));
2363     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
2364     printf("__alignof__(short) = %d\n", __alignof__(short));
2365     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
2366     printf("__alignof__(char) = %d\n", __alignof__(char));
2367     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
2368     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
2369 }
2370
2371 void typeof_test(void)
2372 {
2373     double a;
2374     typeof(a) b;
2375     typeof(float) c;
2376
2377     a = 1.5;
2378     b = 2.5;
2379     c = 3.5;
2380     printf("a=%f b=%f c=%f\n", a, b, c);
2381 }
2382
2383 void statement_expr_test(void)
2384 {
2385     int a, i;
2386
2387     a = 0;
2388     for(i=0;i<10;i++) {
2389         a += 1 +
2390             ( { int b, j;
2391                 b = 0;
2392                 for(j=0;j<5;j++)
2393                     b += j; b;
2394             } );
2395     }
2396     printf("a=%d\n", a);
2397
2398 }
2399
2400 void local_label_test(void)
2401 {
2402     int a;
2403     goto l1;
2404  l2:
2405     a = 1 + ({
2406         __label__ l1, l2, l3, l4;
2407         goto l1;
2408     l4:
2409         printf("aa1\n");
2410         goto l3;
2411     l2:
2412         printf("aa3\n");
2413         goto l4;
2414     l1:
2415         printf("aa2\n");
2416         goto l2;
2417     l3:;
2418         1;
2419     });
2420     printf("a=%d\n", a);
2421     return;
2422  l4:
2423     printf("bb1\n");
2424     goto l2;
2425  l1:
2426     printf("bb2\n");
2427     goto l4;
2428 }
2429
2430 /* inline assembler test */
2431 #if defined(__i386__) || defined(__x86_64__)
2432
2433 /* from linux kernel */
2434 static char * strncat1(char * dest,const char * src,size_t count)
2435 {
2436 long d0, d1, d2, d3;
2437 __asm__ __volatile__(
2438         "repne\n\t"
2439         "scasb\n\t"
2440         "dec %1\n\t"
2441         "mov %8,%3\n"
2442         "1:\tdec %3\n\t"
2443         "js 2f\n\t"
2444         "lodsb\n\t"
2445         "stosb\n\t"
2446         "testb %%al,%%al\n\t"
2447         "jne 1b\n"
2448         "2:\txor %2,%2\n\t"
2449         "stosb"
2450         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2451         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2452         : "memory");
2453 return dest;
2454 }
2455
2456 static char * strncat2(char * dest,const char * src,size_t count)
2457 {
2458 long d0, d1, d2, d3;
2459 __asm__ __volatile__(
2460         "repne scasb\n\t" /* one-line repne prefix + string op */
2461         "dec %1\n\t"
2462         "mov %8,%3\n"
2463         "1:\tdec %3\n\t"
2464         "js 2f\n\t"
2465         "lodsb\n\t"
2466         "stosb\n\t"
2467         "testb %%al,%%al\n\t"
2468         "jne 1b\n"
2469         "2:\txor %2,%2\n\t"
2470         "stosb"
2471         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2472         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2473         : "memory");
2474 return dest;
2475 }
2476
2477 static inline void * memcpy1(void * to, const void * from, size_t n)
2478 {
2479 long d0, d1, d2;
2480 __asm__ __volatile__(
2481         "rep ; movsl\n\t"
2482         "testb $2,%b4\n\t"
2483         "je 1f\n\t"
2484         "movsw\n"
2485         "1:\ttestb $1,%b4\n\t"
2486         "je 2f\n\t"
2487         "movsb\n"
2488         "2:"
2489         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2490         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2491         : "memory");
2492 return (to);
2493 }
2494
2495 static inline void * memcpy2(void * to, const void * from, size_t n)
2496 {
2497 long d0, d1, d2;
2498 __asm__ __volatile__(
2499         "rep movsl\n\t"  /* one-line rep prefix + string op */
2500         "testb $2,%b4\n\t"
2501         "je 1f\n\t"
2502         "movsw\n"
2503         "1:\ttestb $1,%b4\n\t"
2504         "je 2f\n\t"
2505         "movsb\n"
2506         "2:"
2507         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2508         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2509         : "memory");
2510 return (to);
2511 }
2512
2513 static __inline__ void sigaddset1(unsigned int *set, int _sig)
2514 {
2515         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2516 }
2517
2518 static __inline__ void sigdelset1(unsigned int *set, int _sig)
2519 {
2520         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2521 }
2522
2523 static __inline__ __const__ unsigned int swab32(unsigned int x)
2524 {
2525         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
2526                 "rorl $16,%0\n\t"       /* swap words           */
2527                 "xchgb %b0,%h0"         /* swap higher bytes    */
2528                 :"=q" (x)
2529                 : "0" (x));
2530         return x;
2531 }
2532
2533 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
2534 {
2535     unsigned long long res;
2536 #ifdef __x86_64__
2537     /* Using the A constraint is wrong (it means rdx:rax, which is too large)
2538        but still test the 32bit->64bit mull.  */
2539     unsigned int resh, resl;
2540     __asm__("mull %2" : "=a" (resl), "=d" (resh) : "a" (a), "r" (b));
2541     res = ((unsigned long long)resh << 32) | resl;
2542 #else
2543     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
2544 #endif
2545     return res;
2546 }
2547
2548 static __inline__ unsigned long long inc64(unsigned long long a)
2549 {
2550     unsigned long long res;
2551 #ifdef __x86_64__
2552     /* Using the A constraint is wrong, and increments are tested
2553        elsewere.  */
2554     res = a + 1;
2555 #else
2556     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
2557 #endif
2558     return res;
2559 }
2560
2561 unsigned int set;
2562
2563 void asm_test(void)
2564 {
2565     char buf[128];
2566     unsigned int val;
2567
2568     printf("inline asm:\n");
2569     /* test the no operand case */
2570     asm volatile ("xorl %eax, %eax");
2571
2572     memcpy1(buf, "hello", 6);
2573     strncat1(buf, " worldXXXXX", 3);
2574     printf("%s\n", buf);
2575
2576     memcpy2(buf, "hello", 6);
2577     strncat2(buf, " worldXXXXX", 3);
2578     printf("%s\n", buf);
2579
2580     /* 'A' constraint test */
2581     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
2582     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
2583
2584     set = 0xff;
2585     sigdelset1(&set, 2);
2586     sigaddset1(&set, 16);
2587     /* NOTE: we test here if C labels are correctly restored after the
2588        asm statement */
2589     goto label1;
2590  label2:
2591     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
2592 #ifdef __GNUC__ // works strange with GCC 4.3
2593     set=0x1080fd;
2594 #endif
2595     printf("set=0x%x\n", set);
2596     val = 0x01020304;
2597     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
2598     return;
2599  label1:
2600     goto label2;
2601 }
2602
2603 #else
2604
2605 void asm_test(void)
2606 {
2607 }
2608
2609 #endif
2610
2611 #define COMPAT_TYPE(type1, type2) \
2612 {\
2613     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
2614            __builtin_types_compatible_p (type1, type2));\
2615 }
2616
2617 int constant_p_var;
2618
2619 void builtin_test(void)
2620 {
2621 #if GCC_MAJOR >= 3
2622     COMPAT_TYPE(int, int);
2623     COMPAT_TYPE(int, unsigned int);
2624     COMPAT_TYPE(int, char);
2625     COMPAT_TYPE(int, const int);
2626     COMPAT_TYPE(int, volatile int);
2627     COMPAT_TYPE(int *, int *);
2628     COMPAT_TYPE(int *, void *);
2629     COMPAT_TYPE(int *, const int *);
2630     COMPAT_TYPE(char *, unsigned char *);
2631     COMPAT_TYPE(char *, signed char *);
2632     COMPAT_TYPE(char *, char *);
2633 /* space is needed because tcc preprocessor introduces a space between each token */
2634     COMPAT_TYPE(char * *, void *);
2635 #endif
2636     printf("res = %d\n", __builtin_constant_p(1));
2637     printf("res = %d\n", __builtin_constant_p(1 + 2));
2638     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
2639     printf("res = %d\n", __builtin_constant_p(constant_p_var));
2640 }
2641
2642 #ifndef _WIN32
2643 extern int __attribute__((weak)) weak_f1(void);
2644 extern int __attribute__((weak)) weak_f2(void);
2645 extern int                       weak_f3(void);
2646 extern int __attribute__((weak)) weak_v1;
2647 extern int __attribute__((weak)) weak_v2;
2648 extern int                       weak_v3;
2649
2650 extern int                           (*weak_fpa)() __attribute__((weak));
2651 extern int __attribute__((weak))     (*weak_fpb)();
2652 extern     __attribute__((weak)) int (*weak_fpc)();
2653
2654 extern int                     weak_asm_f1(void) asm("weak_asm_f1x") __attribute((weak));
2655 extern int __attribute((weak)) weak_asm_f2(void) asm("weak_asm_f2x")                    ;
2656 extern int __attribute((weak)) weak_asm_f3(void) asm("weak_asm_f3x") __attribute((weak));
2657 extern int                     weak_asm_v1       asm("weak_asm_v1x") __attribute((weak));
2658 extern int __attribute((weak)) weak_asm_v2       asm("weak_asm_v2x")                    ;
2659 extern int __attribute((weak)) weak_asm_v3(void) asm("weak_asm_v3x") __attribute((weak));
2660
2661 static const size_t dummy = 0;
2662 extern __typeof(dummy) weak_dummy1 __attribute__((weak, alias("dummy")));
2663 extern __typeof(dummy) __attribute__((weak, alias("dummy"))) weak_dummy2;
2664 extern __attribute__((weak, alias("dummy"))) __typeof(dummy) weak_dummy3;
2665
2666 int some_lib_func(void);
2667 int dummy_impl_of_slf(void) { return 444; }
2668 int some_lib_func(void) __attribute__((weak, alias("dummy_impl_of_slf")));
2669
2670 int weak_toolate() __attribute__((weak));
2671 int weak_toolate() { return 0; }
2672
2673 void __attribute__((weak)) weak_test(void)
2674 {
2675         printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
2676         printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
2677         printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
2678         printf("weak_v1=%d\n",&weak_v1 ? weak_v1   : 123);
2679         printf("weak_v2=%d\n",&weak_v2 ? weak_v2   : 123);
2680         printf("weak_v3=%d\n",&weak_v3 ? weak_v3   : 123);
2681
2682         printf("weak_fpa=%d\n",&weak_fpa ? weak_fpa() : 123);
2683         printf("weak_fpb=%d\n",&weak_fpb ? weak_fpb() : 123);
2684         printf("weak_fpc=%d\n",&weak_fpc ? weak_fpc() : 123);
2685
2686         printf("weak_asm_f1=%d\n", weak_asm_f1 != NULL);
2687         printf("weak_asm_f2=%d\n", weak_asm_f2 != NULL);
2688         printf("weak_asm_f3=%d\n", weak_asm_f3 != NULL);
2689         printf("weak_asm_v1=%d\n",&weak_asm_v1 != NULL);
2690         printf("weak_asm_v2=%d\n",&weak_asm_v2 != NULL);
2691         printf("weak_asm_v3=%d\n",&weak_asm_v3 != NULL);
2692 }
2693
2694 int __attribute__((weak)) weak_f2() { return 222; }
2695 int __attribute__((weak)) weak_f3() { return 333; }
2696 int __attribute__((weak)) weak_v2 = 222;
2697 int __attribute__((weak)) weak_v3 = 333;
2698 #endif
2699
2700 void const_func(const int a)
2701 {
2702 }
2703
2704 void const_warn_test(void)
2705 {
2706     const_func(1);
2707 }
2708
2709 struct condstruct {
2710   int i;
2711 };
2712
2713 int getme (struct condstruct *s, int i)
2714 {
2715   int i1 = (i == 0 ? 0 : s)->i;
2716   int i2 = (i == 0 ? s : 0)->i;
2717   int i3 = (i == 0 ? (void*)0 : s)->i;
2718   int i4 = (i == 0 ? s : (void*)0)->i;
2719   return i1 + i2 + i3 + i4;
2720 }
2721
2722 struct global_data
2723 {
2724   int a[40];
2725   int *b[40];
2726 };
2727
2728 struct global_data global_data;
2729
2730 int global_data_getstuff (int *, int);
2731
2732 void global_data_callit (int i)
2733 {
2734   *global_data.b[i] = global_data_getstuff (global_data.b[i], 1);
2735 }
2736
2737 int global_data_getstuff (int *p, int i)
2738 {
2739   return *p + i;
2740 }
2741
2742 void global_data_test (void)
2743 {
2744   global_data.a[0] = 42;
2745   global_data.b[0] = &global_data.a[0];
2746   global_data_callit (0);
2747   printf ("%d\n", global_data.a[0]);
2748 }
2749
2750 struct cmpcmpS
2751 {
2752   unsigned char fill : 3;
2753   unsigned char b1 : 1;
2754   unsigned char b2 : 1;
2755   unsigned char fill2 : 3;
2756 };
2757
2758 int glob1, glob2, glob3;
2759
2760 void compare_comparisons (struct cmpcmpS *s)
2761 {
2762   if (s->b1 != (glob1 == glob2)
2763       || (s->b2 != (glob1 == glob3)))
2764     printf ("comparing comparisons broken\n");
2765 }
2766
2767 void cmp_comparison_test(void)
2768 {
2769   struct cmpcmpS s;
2770   s.b1 = 1;
2771   glob1 = 42; glob2 = 42;
2772   s.b2 = 0;
2773   glob3 = 43;
2774   compare_comparisons (&s);
2775 }
2776
2777 int fcompare (double a, double b, int code)
2778 {
2779   switch (code) {
2780     case 0: return a == b;
2781     case 1: return a != b;
2782     case 2: return a < b;
2783     case 3: return a >= b;
2784     case 4: return a > b;
2785     case 5: return a <= b;
2786   }
2787 }
2788
2789 void math_cmp_test(void)
2790 {
2791   double nan = 0.0/0.0;
2792   double one = 1.0;
2793   double two = 2.0;
2794   int comp = 0;
2795 #define bug(a,b,op,iop,part) printf("Test broken: %s %s %s %s %d\n", #a, #b, #op, #iop, part)
2796
2797   /* This asserts that "a op b" is _not_ true, but "a iop b" is true.
2798      And it does this in various ways so that all code generation paths
2799      are checked (generating inverted tests, or non-inverted tests, or
2800      producing a 0/1 value without jumps (that's done in the fcompare
2801      function).  */
2802 #define FCMP(a,b,op,iop,code) \
2803   if (fcompare (a,b,code))    \
2804     bug (a,b,op,iop,1); \
2805   if (a op b) \
2806     bug (a,b,op,iop,2); \
2807   if (a iop b) \
2808     ; \
2809   else \
2810     bug (a,b,op,iop,3); \
2811   if ((a op b) || comp) \
2812     bug (a,b,op,iop,4); \
2813   if ((a iop b) || comp) \
2814     ; \
2815   else \
2816     bug (a,b,op,iop,5);
2817
2818   /* Equality tests.  */
2819   FCMP(nan, nan, ==, !=, 0);
2820   FCMP(one, two, ==, !=, 0);
2821   FCMP(one, one, !=, ==, 1);
2822   /* Non-equality is a bit special.  */
2823   if (!fcompare (nan, nan, 1))
2824     bug (nan, nan, !=, ==, 6);
2825
2826   /* Relational tests on numbers.  */
2827   FCMP(two, one, <, >=, 2);
2828   FCMP(one, two, >=, <, 3);
2829   FCMP(one, two, >, <=, 4);
2830   FCMP(two, one, <=, >, 5);
2831
2832   /* Relational tests on NaNs.  Note that the inverse op here is
2833      always !=, there's no operator in C that is equivalent to !(a < b),
2834      when NaNs are involved, same for the other relational ops.  */
2835   FCMP(nan, nan, <, !=, 2);
2836   FCMP(nan, nan, >=, !=, 3);
2837   FCMP(nan, nan, >, !=, 4);
2838   FCMP(nan, nan, <=, !=, 5);
2839 }
2840
2841 double get100 () { return 100.0; }
2842
2843 void callsave_test(void)
2844 {
2845 #if defined __i386__ || defined __x86_64__ || defined __arm__
2846   int i, s; double *d; double t;
2847   s = sizeof (double);
2848   printf ("callsavetest: %d\n", s);
2849   d = alloca (sizeof(double));
2850   d[0] = 10.0;
2851   /* x86-64 had a bug were the next call to get100 would evict
2852      the lvalue &d[0] as VT_LLOCAL, and the reload would be done
2853      in int type, not pointer type.  When alloca returns a pointer
2854      with the high 32 bit set (which is likely on x86-64) the access
2855      generates a segfault.  */
2856   i = d[0] > get100 ();
2857   printf ("%d\n", i);
2858 #endif
2859 }
2860
2861
2862 void bfa3(ptrdiff_t str_offset)
2863 {
2864     printf("bfa3: %s\n", (char *)__builtin_frame_address(3) + str_offset);
2865 }
2866 void bfa2(ptrdiff_t str_offset)
2867 {
2868     printf("bfa2: %s\n", (char *)__builtin_frame_address(2) + str_offset);
2869     bfa3(str_offset);
2870 }
2871 void bfa1(ptrdiff_t str_offset)
2872 {
2873     printf("bfa1: %s\n", (char *)__builtin_frame_address(1) + str_offset);
2874     bfa2(str_offset);
2875 }
2876
2877 void builtin_frame_address_test(void)
2878 {
2879 /* builtin_frame_address fails on ARM with gcc which make test3 fail */
2880 #ifndef __arm__
2881     char str[] = "__builtin_frame_address";
2882     char *fp0 = __builtin_frame_address(0);
2883
2884     printf("str: %s\n", str);
2885     bfa1(str-fp0);
2886 #endif
2887 }
2888
2889 char via_volatile (char i)
2890 {
2891   char volatile vi;
2892   vi = i;
2893   return vi;
2894 }