tests/tcctest.c

   1 /*
   2  * TCC auto test program
   3  */
   4 #include "config.h"
   5
   6 #if GCC_MAJOR >= 3
   7
   8 /* Unfortunately, gcc version < 3 does not handle that! */
   9 #define ALL_ISOC99
  10
  11 /* only gcc 3 handles _Bool correctly */
  12 #define BOOL_ISOC99
  13
  14 /* gcc 2.95.3 does not handle correctly CR in strings or after strays */
  15 #define CORRECT_CR_HANDLING
  16
  17 #endif
  18
  19 #if defined(_WIN32)
  20 #define LONG_LONG_FORMAT "%lld"
  21 #define ULONG_LONG_FORMAT "%llu"
  22 #else
  23 #define LONG_LONG_FORMAT "%Ld"
  24 #define ULONG_LONG_FORMAT "%Lu"
  25 #endif
  26
  27 // MinGW has 80-bit rather than 64-bit long double which isn't compatible with TCC or MSVC
  28 #if defined(_WIN32) && defined(__GNUC__)
  29 #define LONG_DOUBLE double
  30 #define LONG_DOUBLE_LITERAL(x) x
  31 #else
  32 #define LONG_DOUBLE long double
  33 #define LONG_DOUBLE_LITERAL(x) x ## L
  34 #endif
  35
  36 /* deprecated and no longer supported in gcc 3.3 */
  37 //#define ACCEPT_CR_IN_STRINGS
  38
  39 /* __VA_ARGS__ and __func__ support */
  40 #define C99_MACROS
  41
  42 /* test various include syntaxes */
  43
  44 #define TCCLIB_INC <tcclib.h>
  45 #define TCCLIB_INC1 <tcclib
  46 #define TCCLIB_INC2 h>
  47 #define TCCLIB_INC3 "tcclib"
  48
  49 #include TCCLIB_INC
  50
  51 #include TCCLIB_INC1.TCCLIB_INC2
  52
  53 #include TCCLIB_INC1.h>
  54
  55 /* gcc 3.2 does not accept that (bug ?) */
  56 //#include TCCLIB_INC3 ".h"
  57
  58 #include <tcclib.h>
  59
  60 #include "tcclib.h"
  61
  62 void intdiv_test();
  63 void string_test();
  64 void expr_test();
  65 void macro_test();
  66 void recursive_macro_test();
  67 void scope_test();
  68 void forward_test();
  69 void funcptr_test();
  70 void loop_test();
  71 void switch_test();
  72 void goto_test();
  73 void enum_test();
  74 void typedef_test();
  75 void struct_test();
  76 void array_test();
  77 void expr_ptr_test();
  78 void bool_test();
  79 void expr2_test();
  80 void constant_expr_test();
  81 void expr_cmp_test();
  82 void char_short_test();
  83 void init_test(void);
  84 void compound_literal_test(void);
  85 int kr_test();
  86 void struct_assign_test(void);
  87 void cast_test(void);
  88 void bitfield_test(void);
  89 void c99_bool_test(void);
  90 void float_test(void);
  91 void longlong_test(void);
  92 void manyarg_test(void);
  93 void stdarg_test(void);
  94 void whitespace_test(void);
  95 void relocation_test(void);
  96 void old_style_function(void);
  97 void alloca_test(void);
  98 void c99_vla_test(int size1, int size2);
  99 void sizeof_test(void);
 100 void typeof_test(void);
 101 void local_label_test(void);
 102 void statement_expr_test(void);
 103 void asm_test(void);
 104 void builtin_test(void);
 105 void weak_test(void);
 106 void global_data_test(void);
 107 void cmp_comparison_test(void);
 108 void math_cmp_test(void);
 109 void callsave_test(void);
 110 void builtin_frame_address_test(void);
 111
 112 int fib(int n);
 113 void num(int n);
 114 void forward_ref(void);
 115 int isid(int c);
 116
 117 #define A 2
 118 #define N 1234 + A
 119 #define pf printf
 120 #define M1(a, b)  (a) + (b)
 121
 122 #define str\
 123 (s) # s
 124 #define glue(a, b) a ## b
 125 #define xglue(a, b) glue(a, b)
 126 #define HIGHLOW "hello"
 127 #define LOW LOW ", world"
 128
 129 static int onetwothree = 123;
 130 #define onetwothree4 onetwothree
 131 #define onetwothree xglue(onetwothree,4)
 132
 133 #define min(a, b) ((a) < (b) ? (a) : (b))
 134
 135 #ifdef C99_MACROS
 136 #define dprintf(level,...) printf(__VA_ARGS__)
 137 #endif
 138
 139 /* gcc vararg macros */
 140 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
 141
 142 #define MACRO_NOARGS()
 143
 144 #define AAA 3
 145 #undef AAA
 146 #define AAA 4
 147
 148 #if 1
 149 #define B3 1
 150 #elif 1
 151 #define B3 2
 152 #elif 0
 153 #define B3 3
 154 #else
 155 #define B3 4
 156 #endif
 157
 158 #define __INT64_C(c)    c ## LL
 159 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 160
 161 int qq(int x)
 162 {
 163     return x + 40;
 164 }
 165 #define qq(x) x
 166
 167 #define spin_lock(lock) do { } while (0)
 168 #define wq_spin_lock spin_lock
 169 #define TEST2() wq_spin_lock(a)
 170
 171 #define UINT_MAX ((unsigned) -1)
 172
 173 void intdiv_test(void)
 174 {
 175     printf("18/21=%u\n", 18/21);
 176     printf("18%21=%u\n", 18%21);
 177     printf("41/21=%u\n", 41/21);
 178     printf("41%21=%u\n", 41%21);
 179     printf("42/21=%u\n", 42/21);
 180     printf("42%21=%u\n", 42%21);
 181     printf("43/21=%u\n", 43/21);
 182     printf("43%21=%u\n", 43%21);
 183     printf("126/21=%u\n", 126/21);
 184     printf("12%/21=%u\n", 126%21);
 185     printf("131/21=%u\n", 131/21);
 186     printf("131%21=%u\n", 131%21);
 187     printf("(UINT_MAX/2+3)/2=%u\n", (UINT_MAX/2+3)/2);
 188     printf("(UINT_MAX/2+3)%2=%u\n", (UINT_MAX/2+3)%2);
 189
 190     printf("18/-21=%u\n", 18/-21);
 191     printf("18%-21=%u\n", 18%-21);
 192     printf("41/-21=%u\n", 41/-21);
 193     printf("41%-21=%u\n", 41%-21);
 194     printf("42/-21=%u\n", 42/-21);
 195     printf("42%-21=%u\n", 42%-21);
 196     printf("43/-21=%u\n", 43/-21);
 197     printf("43%-21=%u\n", 43%-21);
 198     printf("126/-21=%u\n", 126/-21);
 199     printf("12%/-21=%u\n", 126%-21);
 200     printf("131/-21=%u\n", 131/-21);
 201     printf("131%-21=%u\n", 131%-21);
 202     printf("(UINT_MAX/2+3)/-2=%u\n", (UINT_MAX/2+3)/-2);
 203     printf("(UINT_MAX/2+3)%-2=%u\n", (UINT_MAX/2+3)%-2);
 204
 205     printf("-18/21=%u\n", -18/21);
 206     printf("-18%21=%u\n", -18%21);
 207     printf("-41/21=%u\n", -41/21);
 208     printf("-41%21=%u\n", -41%21);
 209     printf("-42/21=%u\n", -42/21);
 210     printf("-42%21=%u\n", -42%21);
 211     printf("-43/21=%u\n", -43/21);
 212     printf("-43%21=%u\n", -43%21);
 213     printf("-126/21=%u\n", -126/21);
 214     printf("-12%/21=%u\n", -126%21);
 215     printf("-131/21=%u\n", -131/21);
 216     printf("-131%21=%u\n", -131%21);
 217     printf("-(UINT_MAX/2+3)/2=%u\n", (0-(UINT_MAX/2+3))/2);
 218     printf("-(UINT_MAX/2+3)%2=%u\n", (0-(UINT_MAX/2+3))%2);
 219
 220     printf("-18/-21=%u\n", -18/-21);
 221     printf("-18%-21=%u\n", -18%-21);
 222     printf("-41/-21=%u\n", -41/-21);
 223     printf("-41%-21=%u\n", -41%-21);
 224     printf("-42/-21=%u\n", -42/-21);
 225     printf("-42%-21=%u\n", -42%-21);
 226     printf("-43/-21=%u\n", -43/-21);
 227     printf("-43%-21=%u\n", -43%-21);
 228     printf("-126/-21=%u\n", -126/-21);
 229     printf("-12%/-21=%u\n", -126%-21);
 230     printf("-131/-21=%u\n", -131/-21);
 231     printf("-131%-21=%u\n", -131%-21);
 232     printf("-(UINT_MAX/2+3)/-2=%u\n", (0-(UINT_MAX/2+3))/-2);
 233     printf("-(UINT_MAX/2+3)%-2=%u\n", (0-(UINT_MAX/2+3))%-2);
 234 }
 235
 236 void macro_test(void)
 237 {
 238     printf("macro:\n");\f\v
 239     pf("N=%d\n", N);
 240     printf("aaa=%d\n", AAA);
 241
 242     printf("min=%d\n", min(1, min(2, -1)));
 243
 244     printf("s1=%s\n", glue(HIGH, LOW));
 245     printf("s2=%s\n", xglue(HIGH, LOW));
 246     printf("s3=%s\n", str("c"));
 247     printf("s4=%s\n", str(a1));
 248     printf("B3=%d\n", B3);
 249
 250     printf("onetwothree=%d\n", onetwothree);
 251
 252 #ifdef A
 253     printf("A defined\n");
 254 #endif
 255 #ifdef B
 256     printf("B defined\n");
 257 #endif
 258 #ifdef A
 259     printf("A defined\n");
 260 #else
 261     printf("A not defined\n");
 262 #endif
 263 #ifdef B
 264     printf("B defined\n");
 265 #else
 266     printf("B not defined\n");
 267 #endif
 268
 269 #ifdef A
 270     printf("A defined\n");
 271 #ifdef B
 272     printf("B1 defined\n");
 273 #else
 274     printf("B1 not defined\n");
 275 #endif
 276 #else
 277     printf("A not defined\n");
 278 #ifdef B
 279     printf("B2 defined\n");
 280 #else
 281     printf("B2 not defined\n");
 282 #endif
 283 #endif
 284
 285 #if 1+1
 286     printf("test true1\n");
 287 #endif
 288 #if 0
 289     printf("test true2\n");
 290 #endif
 291 #if 1-1
 292     printf("test true3\n");
 293 #endif
 294 #if defined(A)
 295     printf("test trueA\n");
 296 #endif
 297 #if defined(B)
 298     printf("test trueB\n");
 299 #endif
 300
 301 #if 0
 302     printf("test 0\n");
 303 #elif 0
 304     printf("test 1\n");
 305 #elif 2
 306     printf("test 2\n");
 307 #else
 308     printf("test 3\n");
 309 #endif
 310
 311     MACRO_NOARGS();
 312
 313 #ifdef __LINE__
 314     printf("__LINE__ defined\n");
 315 #endif
 316
 317     printf("__LINE__=%d __FILE__=%s\n",
 318            __LINE__, __FILE__);
 319 #line 200
 320     printf("__LINE__=%d __FILE__=%s\n",
 321            __LINE__, __FILE__);
 322 #line 203 "test"
 323     printf("__LINE__=%d __FILE__=%s\n",
 324            __LINE__, __FILE__);
 325 #line 227 "tcctest.c"
 326
 327     /* not strictly preprocessor, but we test it there */
 328 #ifdef C99_MACROS
 329     printf("__func__ = %s\n", __func__);
 330     dprintf(1, "vaarg=%d\n", 1);
 331 #endif
 332     dprintf1(1, "vaarg1\n");
 333     dprintf1(1, "vaarg1=%d\n", 2);
 334     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 335
 336     /* gcc extension */
 337     printf("func='%s'\n", __FUNCTION__);
 338
 339     /* complicated macros in glibc */
 340     printf("INT64_MIN=" LONG_LONG_FORMAT "\n", INT64_MIN);
 341     {
 342         int a;
 343         a = 1;
 344         glue(a+, +);
 345         printf("a=%d\n", a);
 346         glue(a <, <= 2);
 347         printf("a=%d\n", a);
 348     }
 349
 350     /* macro function with argument outside the macro string */
 351 #define MF_s MF_hello
 352 #define MF_hello(msg) printf("%s\n",msg)
 353
 354 #define MF_t printf("tralala\n"); MF_hello
 355
 356     MF_s("hi");
 357     MF_t("hi");
 358
 359     /* test macro substituion inside args (should not eat stream) */
 360     printf("qq=%d\n", qq(qq)(2));
 361
 362     /* test zero argument case. NOTE: gcc 2.95.x does not accept a
 363        null argument without a space. gcc 3.2 fixes that. */
 364
 365 #define qq1(x) 1
 366     printf("qq1=%d\n", qq1( ));
 367
 368     /* comment with stray handling *\
 369 /
 370        /* this is a valid *\/ comment */
 371        /* this is a valid comment *\*/
 372     //  this is a valid\
 373 comment
 374
 375     /* test function macro substitution when the function name is
 376        substituted */
 377     TEST2();
 378
 379     /* And again when the name and parenthes are separated by a
 380        comment.  */
 381     TEST2 /* the comment */ ();
 382
 383     /* macro_push and macro_pop test */
 384     #undef MACRO_TEST
 385     #ifdef MACRO_TEST
 386         printf("define MACRO_TEST\n");
 387     #else
 388         printf("undef MACRO_TEST\n");
 389     #endif
 390
 391     #pragma push_macro("MACRO_TEST")
 392     #define MACRO_TEST
 393     #pragma push_macro("MACRO_TEST")
 394     #undef MACRO_TEST
 395     #pragma push_macro("MACRO_TEST")
 396
 397     #pragma pop_macro("MACRO_TEST")
 398     #ifdef MACRO_TEST
 399         printf("define MACRO_TEST\n");
 400     #else
 401         printf("undef MACRO_TEST\n");
 402     #endif
 403
 404     #pragma pop_macro("MACRO_TEST")
 405     #ifdef MACRO_TEST
 406         printf("define MACRO_TEST\n");
 407     #else
 408         printf("undef MACRO_TEST\n");
 409     #endif
 410
 411     #pragma pop_macro("MACRO_TEST")
 412     #ifdef MACRO_TEST
 413         printf("define MACRO_TEST\n");
 414     #else
 415         printf("undef MACRO_TEST\n");
 416     #endif
 417
 418     /* pack test */
 419     #pragma pack(push,8)
 420     #pragma pack(pop)
 421
 422 /* gcc does not support
 423     #define MACRO_TEST_MACRO "MACRO_TEST"
 424     #pragma push_macro(MACRO_TEST_MACRO)
 425     #undef MACRO_TEST
 426     #define MACRO_TEST "macro_test3\n"
 427     printf(MACRO_TEST);
 428     #pragma pop_macro(MACRO_TEST_MACRO)
 429     printf(MACRO_TEST);
 430 */
 431 }
 432
 433
 434 static void print_num(char *fn, int line, int num) {
 435     printf("fn %s, line %d, num %d\n", fn, line, num);
 436 }
 437
 438 void recursive_macro_test(void)
 439 {
 440
 441 #define ELF32_ST_TYPE(val)              ((val) & 0xf)
 442 #define ELF32_ST_INFO(bind, type)       (((bind) << 4) + ((type) & 0xf))
 443 #define STB_WEAK        2               /* Weak symbol */
 444 #define ELFW(type) ELF##32##_##type
 445     printf("%d\n", ELFW(ST_INFO)(STB_WEAK, ELFW(ST_TYPE)(123)));
 446
 447 #define WRAP(x) x
 448
 449 #define print_num(x) print_num(__FILE__,__LINE__,x)
 450     print_num(123);
 451     WRAP(print_num(123));
 452     WRAP(WRAP(print_num(123)));
 453
 454 static struct recursive_macro { int rm_field; } G;
 455 #define rm_field (G.rm_field)
 456     printf("rm_field = %d\n", rm_field);
 457     printf("rm_field = %d\n", WRAP(rm_field));
 458     WRAP((printf("rm_field = %d %d\n", rm_field, WRAP(rm_field))));
 459 }
 460
 461 int op(a,b)
 462 {
 463     return a / b;
 464 }
 465
 466 int ret(a)
 467 {
 468     if (a == 2)
 469         return 1;
 470     if (a == 3)
 471         return 2;
 472     return 0;
 473 }
 474
 475 void ps(const char *s)
 476 {
 477     int c;
 478     while (1) {
 479         c = *s;
 480         if (c == 0)
 481             break;
 482         printf("%c", c);
 483         s++;
 484     }
 485 }
 486
 487 const char foo1_string[] = "\
 488 bar\n\
 489 test\14\
 490 1";
 491
 492 void string_test()
 493 {
 494     unsigned int b;
 495     printf("string:\n");
 496     printf("\141\1423\143\n");/* dezdez test */
 497     printf("\x41\x42\x43\x3a\n");
 498     printf("c=%c\n", 'r');
 499     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 500     printf("foo1_string='%s'\n", foo1_string);
 501 #if 0
 502     printf("wstring=%S\n", L"abc");
 503     printf("wstring=%S\n", L"abc" L"def" "ghi");
 504     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 505     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 506 #endif
 507     ps("test\n");
 508     b = 32;
 509     while ((b = b + 1) < 96) {
 510         printf("%c", b);
 511     }
 512     printf("\n");
 513     printf("fib=%d\n", fib(33));
 514     b = 262144;
 515     while (b != 0x80000000) {
 516         num(b);
 517         b = b * 2;
 518     }
 519 }
 520
 521 void loop_test()
 522 {
 523     int i;
 524     i = 0;
 525     while (i < 10)
 526         printf("%d", i++);
 527     printf("\n");
 528     for(i = 0; i < 10;i++)
 529         printf("%d", i);
 530     printf("\n");
 531     i = 0;
 532     do {
 533         printf("%d", i++);
 534     } while (i < 10);
 535     printf("\n");
 536
 537     char count = 123;
 538     /* c99 for loop init test */
 539     for (size_t count = 1; count < 3; count++)
 540         printf("count=%d\n", count);
 541     printf("count = %d\n", count);
 542
 543     /* break/continue tests */
 544     i = 0;
 545     while (1) {
 546         if (i == 6)
 547             break;
 548         i++;
 549         if (i == 3)
 550             continue;
 551         printf("%d", i);
 552     }
 553     printf("\n");
 554
 555     /* break/continue tests */
 556     i = 0;
 557     do {
 558         if (i == 6)
 559             break;
 560         i++;
 561         if (i == 3)
 562             continue;
 563         printf("%d", i);
 564     } while(1);
 565     printf("\n");
 566
 567     for(i = 0;i < 10;i++) {
 568         if (i == 3)
 569             continue;
 570         printf("%d", i);
 571     }
 572     printf("\n");
 573 }
 574
 575 typedef int typedef_and_label;
 576
 577 void goto_test()
 578 {
 579     int i;
 580     static void *label_table[3] = { &&label1, &&label2, &&label3 };
 581
 582     printf("goto:\n");
 583     i = 0;
 584     /* This needs to parse as label, not as start of decl.  */
 585  typedef_and_label:
 586  s_loop:
 587     if (i >= 10)
 588         goto s_end;
 589     printf("%d", i);
 590     i++;
 591     goto s_loop;
 592  s_end:
 593     printf("\n");
 594
 595     /* we also test computed gotos (GCC extension) */
 596     for(i=0;i<3;i++) {
 597         goto *label_table[i];
 598     label1:
 599         printf("label1\n");
 600         goto next;
 601     label2:
 602         printf("label2\n");
 603         goto next;
 604     label3:
 605         printf("label3\n");
 606     next: ;
 607     }
 608 }
 609
 610 enum {
 611     E0,
 612     E1 = 2,
 613     E2 = 4,
 614     E3,
 615     E4,
 616 };
 617
 618 enum test {
 619     E5 = 1000,
 620 };
 621
 622 void enum_test()
 623 {
 624     enum test b1;
 625     printf("enum:\n%d %d %d %d %d %d\n",
 626            E0, E1, E2, E3, E4, E5);
 627     b1 = 1;
 628     printf("b1=%d\n", b1);
 629 }
 630
 631 typedef int *my_ptr;
 632
 633 typedef int mytype1;
 634 typedef int mytype2;
 635
 636 void typedef_test()
 637 {
 638     my_ptr a;
 639     mytype1 mytype2;
 640     int b;
 641
 642     a = &b;
 643     *a = 1234;
 644     printf("typedef:\n");
 645     printf("a=%d\n", *a);
 646     mytype2 = 2;
 647     printf("mytype2=%d\n", mytype2);
 648 }
 649
 650 void forward_test()
 651 {
 652     printf("forward:\n");
 653     forward_ref();
 654     forward_ref();
 655 }
 656
 657
 658 void forward_ref(void)
 659 {
 660     printf("forward ok\n");
 661 }
 662
 663 typedef struct struct1 {
 664     int f1;
 665     int f2, f3;
 666     union union1 {
 667         int v1;
 668         int v2;
 669     } u;
 670     char str[3];
 671 } struct1;
 672
 673 struct struct2 {
 674     int a;
 675     char b;
 676 };
 677
 678 union union2 {
 679     int w1;
 680     int w2;
 681 };
 682
 683 struct struct1 st1, st2;
 684
 685 int main(int argc, char **argv)
 686 {
 687     string_test();
 688     expr_test();
 689     macro_test();
 690     recursive_macro_test();
 691     scope_test();
 692     forward_test();
 693     funcptr_test();
 694     loop_test();
 695     switch_test();
 696     goto_test();
 697     enum_test();
 698     typedef_test();
 699     struct_test();
 700     array_test();
 701     expr_ptr_test();
 702     bool_test();
 703     expr2_test();
 704     constant_expr_test();
 705     expr_cmp_test();
 706     char_short_test();
 707     init_test();
 708     compound_literal_test();
 709     kr_test();
 710     struct_assign_test();
 711     cast_test();
 712     bitfield_test();
 713     c99_bool_test();
 714     float_test();
 715     longlong_test();
 716     manyarg_test();
 717     stdarg_test();
 718     whitespace_test();
 719     relocation_test();
 720     old_style_function();
 721     alloca_test();
 722     c99_vla_test(5, 2);
 723     sizeof_test();
 724     typeof_test();
 725     statement_expr_test();
 726     local_label_test();
 727     asm_test();
 728     builtin_test();
 729 #ifndef _WIN32
 730     weak_test();
 731 #endif
 732     global_data_test();
 733     cmp_comparison_test();
 734     math_cmp_test();
 735     callsave_test();
 736     builtin_frame_address_test();
 737     intdiv_test();
 738     return 0;
 739 }
 740
 741 int tab[3];
 742 int tab2[3][2];
 743
 744 int g;
 745
 746 void f1(g)
 747 {
 748     printf("g1=%d\n", g);
 749 }
 750
 751 void scope_test()
 752 {
 753     printf("scope:\n");
 754     g = 2;
 755     f1(1);
 756     printf("g2=%d\n", g);
 757     {
 758         int g;
 759         g = 3;
 760         printf("g3=%d\n", g);
 761         {
 762             int g;
 763             g = 4;
 764             printf("g4=%d\n", g);
 765         }
 766     }
 767     printf("g5=%d\n", g);
 768 }
 769
 770 void array_test()
 771 {
 772     int i, j, a[4];
 773
 774     printf("array:\n");
 775     printf("sizeof(a) = %d\n", sizeof(a));
 776     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 777 #ifdef C99_MACROS
 778     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 779 #endif
 780     printf("sizeof tab %d\n", sizeof(tab));
 781     printf("sizeof tab2 %d\n", sizeof tab2);
 782     tab[0] = 1;
 783     tab[1] = 2;
 784     tab[2] = 3;
 785     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 786     for(i=0;i<3;i++)
 787         for(j=0;j<2;j++)
 788             tab2[i][j] = 10 * i + j;
 789     for(i=0;i<3*2;i++) {
 790         printf(" %3d", ((int *)tab2)[i]);
 791     }
 792     printf("\n");
 793     printf("sizeof(size_t)=%d\n", sizeof(size_t));
 794     printf("sizeof(ptrdiff_t)=%d\n", sizeof(ptrdiff_t));
 795 }
 796
 797 void expr_test()
 798 {
 799     int a, b;
 800     a = 0;
 801     printf("%d\n", a += 1);
 802     printf("%d\n", a -= 2);
 803     printf("%d\n", a *= 31232132);
 804     printf("%d\n", a /= 4);
 805     printf("%d\n", a %= 20);
 806     printf("%d\n", a &= 6);
 807     printf("%d\n", a ^= 7);
 808     printf("%d\n", a |= 8);
 809     printf("%d\n", a >>= 3);
 810     printf("%d\n", a <<= 4);
 811
 812     a = 22321;
 813     b = -22321;
 814     printf("%d\n", a + 1);
 815     printf("%d\n", a - 2);
 816     printf("%d\n", a * 312);
 817     printf("%d\n", a / 4);
 818     printf("%d\n", b / 4);
 819     printf("%d\n", (unsigned)b / 4);
 820     printf("%d\n", a % 20);
 821     printf("%d\n", b % 20);
 822     printf("%d\n", (unsigned)b % 20);
 823     printf("%d\n", a & 6);
 824     printf("%d\n", a ^ 7);
 825     printf("%d\n", a | 8);
 826     printf("%d\n", a >> 3);
 827     printf("%d\n", b >> 3);
 828     printf("%d\n", (unsigned)b >> 3);
 829     printf("%d\n", a << 4);
 830     printf("%d\n", ~a);
 831     printf("%d\n", -a);
 832     printf("%d\n", +a);
 833
 834     printf("%d\n", 12 + 1);
 835     printf("%d\n", 12 - 2);
 836     printf("%d\n", 12 * 312);
 837     printf("%d\n", 12 / 4);
 838     printf("%d\n", 12 % 20);
 839     printf("%d\n", 12 & 6);
 840     printf("%d\n", 12 ^ 7);
 841     printf("%d\n", 12 | 8);
 842     printf("%d\n", 12 >> 2);
 843     printf("%d\n", 12 << 4);
 844     printf("%d\n", ~12);
 845     printf("%d\n", -12);
 846     printf("%d\n", +12);
 847     printf("%d %d %d %d\n",
 848            isid('a'),
 849            isid('g'),
 850            isid('T'),
 851            isid('('));
 852 }
 853
 854 int isid(int c)
 855 {
 856     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 857 }
 858
 859 /**********************/
 860
 861 int vstack[10], *vstack_ptr;
 862
 863 void vpush(int vt, int vc)
 864 {
 865     *vstack_ptr++ = vt;
 866     *vstack_ptr++ = vc;
 867 }
 868
 869 void vpop(int *ft, int *fc)
 870 {
 871     *fc = *--vstack_ptr;
 872     *ft = *--vstack_ptr;
 873 }
 874
 875 void expr2_test()
 876 {
 877     int a, b;
 878
 879     printf("expr2:\n");
 880     vstack_ptr = vstack;
 881     vpush(1432432, 2);
 882     vstack_ptr[-2] &= ~0xffffff80;
 883     vpop(&a, &b);
 884     printf("res= %d %d\n", a, b);
 885 }
 886
 887 void constant_expr_test()
 888 {
 889     int a;
 890     printf("constant_expr:\n");
 891     a = 3;
 892     printf("%d\n", a * 16);
 893     printf("%d\n", a * 1);
 894     printf("%d\n", a + 0);
 895 }
 896
 897 int tab4[10];
 898
 899 void expr_ptr_test()
 900 {
 901     int *p, *q;
 902     int i = -1;
 903
 904     printf("expr_ptr:\n");
 905     p = tab4;
 906     q = tab4 + 10;
 907     printf("diff=%d\n", q - p);
 908     p++;
 909     printf("inc=%d\n", p - tab4);
 910     p--;
 911     printf("dec=%d\n", p - tab4);
 912     ++p;
 913     printf("inc=%d\n", p - tab4);
 914     --p;
 915     printf("dec=%d\n", p - tab4);
 916     printf("add=%d\n", p + 3 - tab4);
 917     printf("add=%d\n", 3 + p - tab4);
 918
 919     /* check if 64bit support is ok */
 920     q = p = 0;
 921     q += i;
 922     printf("%p %p %ld\n", q, p, p-q);
 923     printf("%d %d %d %d %d %d\n",
 924            p == q, p != q, p < q, p <= q, p >= q, p > q);
 925     i = 0xf0000000;
 926     p += i;
 927     printf("%p %p %ld\n", q, p, p-q);
 928     printf("%d %d %d %d %d %d\n",
 929            p == q, p != q, p < q, p <= q, p >= q, p > q);
 930     p = (int *)((char *)p + 0xf0000000);
 931     printf("%p %p %ld\n", q, p, p-q);
 932     printf("%d %d %d %d %d %d\n",
 933            p == q, p != q, p < q, p <= q, p >= q, p > q);
 934     p += 0xf0000000;
 935     printf("%p %p %ld\n", q, p, p-q);
 936     printf("%d %d %d %d %d %d\n",
 937            p == q, p != q, p < q, p <= q, p >= q, p > q);
 938     {
 939         struct size12 {
 940             int i, j, k;
 941         };
 942         struct size12 s[2], *sp = s;
 943         int i, j;
 944         sp->i = 42;
 945         sp++;
 946         j = -1;
 947         printf("%d\n", sp[j].i);
 948     }
 949 }
 950
 951 void expr_cmp_test()
 952 {
 953     int a, b;
 954     printf("constant_expr:\n");
 955     a = -1;
 956     b = 1;
 957     printf("%d\n", a == a);
 958     printf("%d\n", a != a);
 959
 960     printf("%d\n", a < b);
 961     printf("%d\n", a <= b);
 962     printf("%d\n", a <= a);
 963     printf("%d\n", b >= a);
 964     printf("%d\n", a >= a);
 965     printf("%d\n", b > a);
 966
 967     printf("%d\n", (unsigned)a < b);
 968     printf("%d\n", (unsigned)a <= b);
 969     printf("%d\n", (unsigned)a <= a);
 970     printf("%d\n", (unsigned)b >= a);
 971     printf("%d\n", (unsigned)a >= a);
 972     printf("%d\n", (unsigned)b > a);
 973 }
 974
 975 struct empty {
 976 };
 977
 978 struct aligntest1 {
 979     char a[10];
 980 };
 981
 982 struct aligntest2 {
 983     int a;
 984     char b[10];
 985 };
 986
 987 struct aligntest3 {
 988     double a, b;
 989 };
 990
 991 struct aligntest4 {
 992     double a[0];
 993 };
 994
 995 void struct_test()
 996 {
 997     struct1 *s;
 998     union union2 u;
 999
1000     printf("struct:\n");
1001     printf("sizes: %d %d %d %d\n",
1002            sizeof(struct struct1),
1003            sizeof(struct struct2),
1004            sizeof(union union1),
1005            sizeof(union union2));
1006     st1.f1 = 1;
1007     st1.f2 = 2;
1008     st1.f3 = 3;
1009     printf("st1: %d %d %d\n",
1010            st1.f1, st1.f2, st1.f3);
1011     st1.u.v1 = 1;
1012     st1.u.v2 = 2;
1013     printf("union1: %d\n", st1.u.v1);
1014     u.w1 = 1;
1015     u.w2 = 2;
1016     printf("union2: %d\n", u.w1);
1017     s = &st2;
1018     s->f1 = 3;
1019     s->f2 = 2;
1020     s->f3 = 1;
1021     printf("st2: %d %d %d\n",
1022            s->f1, s->f2, s->f3);
1023     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
1024
1025     /* align / size tests */
1026     printf("aligntest1 sizeof=%d alignof=%d\n",
1027            sizeof(struct aligntest1), __alignof__(struct aligntest1));
1028     printf("aligntest2 sizeof=%d alignof=%d\n",
1029            sizeof(struct aligntest2), __alignof__(struct aligntest2));
1030     printf("aligntest3 sizeof=%d alignof=%d\n",
1031            sizeof(struct aligntest3), __alignof__(struct aligntest3));
1032     printf("aligntest4 sizeof=%d alignof=%d\n",
1033            sizeof(struct aligntest4), __alignof__(struct aligntest4));
1034
1035     /* empty structures (GCC extension) */
1036     printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
1037     printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
1038 }
1039
1040 /* XXX: depend on endianness */
1041 void char_short_test()
1042 {
1043     int var1, var2;
1044
1045     printf("char_short:\n");
1046
1047     var1 = 0x01020304;
1048     var2 = 0xfffefdfc;
1049     printf("s8=%d %d\n",
1050            *(char *)&var1, *(char *)&var2);
1051     printf("u8=%d %d\n",
1052            *(unsigned char *)&var1, *(unsigned char *)&var2);
1053     printf("s16=%d %d\n",
1054            *(short *)&var1, *(short *)&var2);
1055     printf("u16=%d %d\n",
1056            *(unsigned short *)&var1, *(unsigned short *)&var2);
1057     printf("s32=%d %d\n",
1058            *(int *)&var1, *(int *)&var2);
1059     printf("u32=%d %d\n",
1060            *(unsigned int *)&var1, *(unsigned int *)&var2);
1061     *(char *)&var1 = 0x08;
1062     printf("var1=%x\n", var1);
1063     *(short *)&var1 = 0x0809;
1064     printf("var1=%x\n", var1);
1065     *(int *)&var1 = 0x08090a0b;
1066     printf("var1=%x\n", var1);
1067 }
1068
1069 /******************/
1070
1071 typedef struct Sym {
1072     int v;
1073     int t;
1074     int c;
1075     struct Sym *next;
1076     struct Sym *prev;
1077 } Sym;
1078
1079 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
1080 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
1081
1082 static int toupper1(int a)
1083 {
1084     return TOUPPER(a);
1085 }
1086
1087 void bool_test()
1088 {
1089     int *s, a, b, t, f, i;
1090
1091     a = 0;
1092     s = (void*)0;
1093     printf("!s=%d\n", !s);
1094
1095     if (!s || !s[0])
1096         a = 1;
1097     printf("a=%d\n", a);
1098
1099     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
1100     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
1101     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
1102 #if 1 && 1
1103     printf("a1\n");
1104 #endif
1105 #if 1 || 0
1106     printf("a2\n");
1107 #endif
1108 #if 1 ? 0 : 1
1109     printf("a3\n");
1110 #endif
1111 #if 0 ? 0 : 1
1112     printf("a4\n");
1113 #endif
1114
1115     a = 4;
1116     printf("b=%d\n", a + (0 ? 1 : a / 2));
1117
1118     /* test register spilling */
1119     a = 10;
1120     b = 10;
1121     a = (a + b) * ((a < b) ?
1122                    ((b - a) * (a - b)): a + b);
1123     printf("a=%d\n", a);
1124
1125     /* test complex || or && expressions */
1126     t = 1;
1127     f = 0;
1128     a = 32;
1129     printf("exp=%d\n", f == (32 <= a && a <= 3));
1130     printf("r=%d\n", (t || f) + (t && f));
1131
1132     /* test ? : cast */
1133     {
1134         int aspect_on;
1135         int aspect_native = 65536;
1136         double bfu_aspect = 1.0;
1137         int aspect;
1138         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
1139             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
1140             printf("aspect=%d\n", aspect);
1141         }
1142     }
1143
1144     /* test ? : GCC extension */
1145     {
1146         static int v1 = 34 ? : -1; /* constant case */
1147         static int v2 = 0 ? : -1; /* constant case */
1148         int a = 30;
1149
1150         printf("%d %d\n", v1, v2);
1151         printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
1152     }
1153
1154     /* again complex expression */
1155     for(i=0;i<256;i++) {
1156         if (toupper1 (i) != TOUPPER (i))
1157             printf("error %d\n", i);
1158     }
1159 }
1160
1161 /* GCC accepts that */
1162 static int tab_reinit[];
1163 static int tab_reinit[10];
1164
1165 //int cinit1; /* a global variable can be defined several times without error ! */
1166 int cinit1;
1167 int cinit1;
1168 int cinit1 = 0;
1169 int *cinit2 = (int []){3, 2, 1};
1170
1171 void compound_literal_test(void)
1172 {
1173     int *p, i;
1174     char *q, *q3;
1175
1176     printf("compound_test:\n");
1177
1178     p = (int []){1, 2, 3};
1179     for(i=0;i<3;i++)
1180         printf(" %d", p[i]);
1181     printf("\n");
1182
1183     for(i=0;i<3;i++)
1184         printf("%d", cinit2[i]);
1185     printf("\n");
1186
1187     q = "tralala1";
1188     printf("q1=%s\n", q);
1189
1190     q = (char *){ "tralala2" };
1191     printf("q2=%s\n", q);
1192
1193     q3 = (char *){ q };
1194     printf("q3=%s\n", q3);
1195
1196     q = (char []){ "tralala3" };
1197     printf("q4=%s\n", q);
1198
1199 #ifdef ALL_ISOC99
1200     p = (int []){1, 2, cinit1 + 3};
1201     for(i=0;i<3;i++)
1202         printf(" %d", p[i]);
1203     printf("\n");
1204
1205     for(i=0;i<3;i++) {
1206         p = (int []){1, 2, 4 + i};
1207         printf("%d %d %d\n",
1208                p[0],
1209                p[1],
1210                p[2]);
1211     }
1212 #endif
1213 }
1214
1215 /* K & R protos */
1216
1217 kr_func1(a, b)
1218 {
1219     return a + b;
1220 }
1221
1222 int kr_func2(a, b)
1223 {
1224     return a + b;
1225 }
1226
1227 kr_test()
1228 {
1229     printf("kr_test:\n");
1230     printf("func1=%d\n", kr_func1(3, 4));
1231     printf("func2=%d\n", kr_func2(3, 4));
1232     return 0;
1233 }
1234
1235 void num(int n)
1236 {
1237     char *tab, *p;
1238     tab = (char*)malloc(20);
1239     p = tab;
1240     while (1) {
1241         *p = 48 + (n % 10);
1242         p++;
1243         n = n / 10;
1244         if (n == 0)
1245             break;
1246     }
1247     while (p != tab) {
1248         p--;
1249         printf("%c", *p);
1250     }
1251     printf("\n");
1252     free(tab);
1253 }
1254
1255 /* structure assignment tests */
1256 struct structa1 {
1257     int f1;
1258     char f2;
1259 };
1260
1261 struct structa1 ssta1;
1262
1263 void struct_assign_test1(struct structa1 s1, int t, float f)
1264 {
1265     printf("%d %d %d %f\n", s1.f1, s1.f2, t, f);
1266 }
1267
1268 struct structa1 struct_assign_test2(struct structa1 s1, int t)
1269 {
1270     s1.f1 += t;
1271     s1.f2 -= t;
1272     return s1;
1273 }
1274
1275 void struct_assign_test(void)
1276 {
1277     struct S {
1278       struct structa1 lsta1, lsta2;
1279       int i;
1280     } s, *ps;
1281
1282     ps = &s;
1283     ps->i = 4;
1284 #if 0
1285     printf("struct_assign_test:\n");
1286
1287     s.lsta1.f1 = 1;
1288     s.lsta1.f2 = 2;
1289     printf("%d %d\n", s.lsta1.f1, s.lsta1.f2);
1290     s.lsta2 = s.lsta1;
1291     printf("%d %d\n", s.lsta2.f1, s.lsta2.f2);
1292 #else
1293     s.lsta2.f1 = 1;
1294     s.lsta2.f2 = 2;
1295 #endif
1296     struct_assign_test1(ps->lsta2, 3, 4.5);
1297
1298     printf("before call: %d %d\n", s.lsta2.f1, s.lsta2.f2);
1299     ps->lsta2 = struct_assign_test2(ps->lsta2, ps->i);
1300     printf("after call: %d %d\n", ps->lsta2.f1, ps->lsta2.f2);
1301
1302     static struct {
1303         void (*elem)();
1304     } t[] = {
1305         /* XXX: we should allow this even without braces */
1306         { struct_assign_test }
1307     };
1308     printf("%d\n", struct_assign_test == t[0].elem);
1309 }
1310
1311 /* casts to short/char */
1312
1313 void cast1(char a, short b, unsigned char c, unsigned short d)
1314 {
1315     printf("%d %d %d %d\n", a, b, c, d);
1316 }
1317
1318 char bcast;
1319 short scast;
1320
1321 void cast_test()
1322 {
1323     int a;
1324     char c;
1325     char tab[10];
1326     unsigned b,d;
1327     short s;
1328     char *p = NULL;
1329     p -= 0x700000000042;
1330
1331     printf("cast_test:\n");
1332     a = 0xfffff;
1333     cast1(a, a, a, a);
1334     a = 0xffffe;
1335     printf("%d %d %d %d\n",
1336            (char)(a + 1),
1337            (short)(a + 1),
1338            (unsigned char)(a + 1),
1339            (unsigned short)(a + 1));
1340     printf("%d %d %d %d\n",
1341            (char)0xfffff,
1342            (short)0xfffff,
1343            (unsigned char)0xfffff,
1344            (unsigned short)0xfffff);
1345
1346     a = (bcast = 128) + 1;
1347     printf("%d\n", a);
1348     a = (scast = 65536) + 1;
1349     printf("%d\n", a);
1350
1351     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
1352
1353     /* test cast from unsigned to signed short to int */
1354     b = 0xf000;
1355     d = (short)b;
1356     printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
1357     b = 0xf0f0;
1358     d = (char)b;
1359     printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
1360
1361     /* test implicit int casting for array accesses */
1362     c = 0;
1363     tab[1] = 2;
1364     tab[c] = 1;
1365     printf("%d %d\n", tab[0], tab[1]);
1366
1367     /* test implicit casting on some operators */
1368     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
1369     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
1370     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
1371
1372     /* from pointer to integer types */
1373     printf("%d %d %ld %ld %lld %lld\n",
1374            (int)p, (unsigned int)p,
1375            (long)p, (unsigned long)p,
1376            (long long)p, (unsigned long long)p);
1377
1378     /* from integers to pointers */
1379     printf("%p %p %p %p\n",
1380            (void *)a, (void *)b, (void *)c, (void *)d);
1381 }
1382
1383 /* initializers tests */
1384 struct structinit1 {
1385     int f1;
1386     char f2;
1387     short f3;
1388     int farray[3];
1389 };
1390
1391 int sinit1 = 2;
1392 int sinit2 = { 3 };
1393 int sinit3[3] = { 1, 2, {{3}}, };
1394 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1395 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1396 int sinit6[] = { 1, 2, 3 };
1397 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1398 char sinit8[] = "hello" "trala";
1399
1400 struct structinit1 sinit9 = { 1, 2, 3 };
1401 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1402 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1403 #ifdef ALL_ISOC99
1404                                .farray[0] = 10,
1405                                .farray[1] = 11,
1406                                .farray[2] = 12,
1407 #endif
1408 };
1409
1410 char *sinit12 = "hello world";
1411 char *sinit13[] = {
1412     "test1",
1413     "test2",
1414     "test3",
1415 };
1416 char sinit14[10] = { "abc" };
1417 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1418
1419 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1420
1421 struct bar {
1422         char *s;
1423         int len;
1424 } sinit17[] = {
1425         "a1", 4,
1426         "a2", 1
1427 };
1428
1429 int sinit18[10] = {
1430     [2 ... 5] = 20,
1431     2,
1432     [8] = 10,
1433 };
1434
1435 struct complexinit0 {
1436     int a;
1437     int b;
1438 };
1439
1440 struct complexinit {
1441     int a;
1442     const struct complexinit0 *b;
1443 };
1444
1445 const static struct complexinit cix[] = {
1446     [0] = {
1447         .a = 2000,
1448         .b = (const struct complexinit0[]) {
1449                 { 2001, 2002 },
1450                 { 2003, 2003 },
1451                 {}
1452         }
1453     }
1454 };
1455
1456 struct complexinit2 {
1457         int a;
1458         int b[];
1459 };
1460
1461 struct complexinit2 cix20;
1462
1463 struct complexinit2 cix21 = {
1464         .a = 3000,
1465         .b = { 3001, 3002, 3003 }
1466 };
1467
1468 struct complexinit2 cix22 = {
1469         .a = 4000,
1470         .b = { 4001, 4002, 4003, 4004, 4005, 4006 }
1471 };
1472
1473 void init_test(void)
1474 {
1475     int linit1 = 2;
1476     int linit2 = { 3 };
1477     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1478     int linit6[] = { 1, 2, 3 };
1479     int i, j;
1480     char linit8[] = "hello" "trala";
1481     int linit12[10] = { 1, 2 };
1482     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1483     char linit14[10] = "abc";
1484     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1485     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1486     int linit17 = sizeof(linit17);
1487
1488     printf("init_test:\n");
1489
1490     printf("sinit1=%d\n", sinit1);
1491     printf("sinit2=%d\n", sinit2);
1492     printf("sinit3=%d %d %d %d\n",
1493            sizeof(sinit3),
1494            sinit3[0],
1495            sinit3[1],
1496            sinit3[2]
1497            );
1498     printf("sinit6=%d\n", sizeof(sinit6));
1499     printf("sinit7=%d %d %d %d\n",
1500            sizeof(sinit7),
1501            sinit7[0],
1502            sinit7[1],
1503            sinit7[2]
1504            );
1505     printf("sinit8=%s\n", sinit8);
1506     printf("sinit9=%d %d %d\n",
1507            sinit9.f1,
1508            sinit9.f2,
1509            sinit9.f3
1510            );
1511     printf("sinit10=%d %d %d\n",
1512            sinit10.f1,
1513            sinit10.f2,
1514            sinit10.f3
1515            );
1516     printf("sinit11=%d %d %d %d %d %d\n",
1517            sinit11.f1,
1518            sinit11.f2,
1519            sinit11.f3,
1520            sinit11.farray[0],
1521            sinit11.farray[1],
1522            sinit11.farray[2]
1523            );
1524
1525     for(i=0;i<3;i++)
1526         for(j=0;j<2;j++)
1527             printf("[%d][%d] = %d %d %d\n",
1528                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1529     printf("linit1=%d\n", linit1);
1530     printf("linit2=%d\n", linit2);
1531     printf("linit6=%d\n", sizeof(linit6));
1532     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1533
1534     printf("sinit12=%s\n", sinit12);
1535     printf("sinit13=%d %s %s %s\n",
1536            sizeof(sinit13),
1537            sinit13[0],
1538            sinit13[1],
1539            sinit13[2]);
1540     printf("sinit14=%s\n", sinit14);
1541
1542     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1543     printf("\n");
1544     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1545     printf("\n");
1546     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1547     printf("\n");
1548     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1549     printf("\n");
1550     printf("%d %d %d %d\n",
1551            linit16.a1,
1552            linit16.a2,
1553            linit16.a3,
1554            linit16.a4);
1555     /* test that initialisation is done after variable declare */
1556     printf("linit17=%d\n", linit17);
1557     printf("sinit15=%d\n", sinit15[0]);
1558     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1559     printf("sinit17=%s %d %s %d\n",
1560            sinit17[0].s, sinit17[0].len,
1561            sinit17[1].s, sinit17[1].len);
1562     for(i=0;i<10;i++)
1563         printf("%x ", sinit18[i]);
1564     printf("\n");
1565     /* complex init check */
1566     printf("cix: %d %d %d %d %d %d %d\n",
1567         cix[0].a,
1568         cix[0].b[0].a, cix[0].b[0].b,
1569         cix[0].b[1].a, cix[0].b[1].b,
1570         cix[0].b[2].a, cix[0].b[2].b);
1571     printf("cix2: %d %d\n", cix21.b[2], cix22.b[5]);
1572     printf("sizeof cix20 %d, cix21 %d, sizeof cix22 %d\n", sizeof cix20, sizeof cix21, sizeof cix22);
1573 }
1574
1575
1576 void switch_test()
1577 {
1578     int i;
1579
1580     for(i=0;i<15;i++) {
1581         switch(i) {
1582         case 0:
1583         case 1:
1584             printf("a");
1585             break;
1586         default:
1587             printf("%d", i);
1588             break;
1589         case 8 ... 12:
1590             printf("c");
1591             break;
1592         case 3:
1593             printf("b");
1594             break;
1595         }
1596     }
1597     printf("\n");
1598 }
1599
1600 /* ISOC99 _Bool type */
1601 void c99_bool_test(void)
1602 {
1603 #ifdef BOOL_ISOC99
1604     int a;
1605     _Bool b;
1606
1607     printf("bool_test:\n");
1608     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1609     a = 3;
1610     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1611     b = 3;
1612     printf("b = %d\n", b);
1613     b++;
1614     printf("b = %d\n", b);
1615 #endif
1616 }
1617
1618 void bitfield_test(void)
1619 {
1620     int a;
1621     short sa;
1622     unsigned char ca;
1623     struct sbf1 {
1624         int f1 : 3;
1625         int : 2;
1626         int f2 : 1;
1627         int : 0;
1628         int f3 : 5;
1629         int f4 : 7;
1630         unsigned int f5 : 7;
1631     } st1;
1632     printf("bitfield_test:");
1633     printf("sizeof(st1) = %d\n", sizeof(st1));
1634
1635     st1.f1 = 3;
1636     st1.f2 = 1;
1637     st1.f3 = 15;
1638     a = 120;
1639     st1.f4 = a;
1640     st1.f5 = a;
1641     st1.f5++;
1642     printf("%d %d %d %d %d\n",
1643            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1644     sa = st1.f5;
1645     ca = st1.f5;
1646     printf("%d %d\n", sa, ca);
1647
1648     st1.f1 = 7;
1649     if (st1.f1 == -1)
1650         printf("st1.f1 == -1\n");
1651     else
1652         printf("st1.f1 != -1\n");
1653     if (st1.f2 == -1)
1654         printf("st1.f2 == -1\n");
1655     else
1656         printf("st1.f2 != -1\n");
1657
1658     /* bit sizes below must be bigger than 32 since GCC doesn't allow
1659        long-long bitfields whose size is not bigger than int */
1660     struct sbf2 {
1661         long long f1 : 45;
1662         long long : 2;
1663         long long f2 : 35;
1664         unsigned long long f3 : 38;
1665     } st2;
1666     st2.f1 = 0x123456789ULL;
1667     a = 120;
1668     st2.f2 = (long long)a << 25;
1669     st2.f3 = a;
1670     st2.f2++;
1671     printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
1672 }
1673
1674 #ifdef __x86_64__
1675 #define FLOAT_FMT "%f\n"
1676 #else
1677 /* x86's float isn't compatible with GCC */
1678 #define FLOAT_FMT "%.5f\n"
1679 #endif
1680
1681 /* declare strto* functions as they are C99 */
1682 double strtod(const char *nptr, char **endptr);
1683
1684 #if defined(_WIN32)
1685 float strtof(const char *nptr, char **endptr) {return (float)strtod(nptr, endptr);}
1686 LONG_DOUBLE strtold(const char *nptr, char **endptr) {return (LONG_DOUBLE)strtod(nptr, endptr);}
1687 #else
1688 float strtof(const char *nptr, char **endptr);
1689 LONG_DOUBLE strtold(const char *nptr, char **endptr);
1690 #endif
1691
1692 #define FTEST(prefix, typename, type, fmt)\
1693 void prefix ## cmp(type a, type b)\
1694 {\
1695     printf("%d %d %d %d %d %d\n",\
1696            a == b,\
1697            a != b,\
1698            a < b,\
1699            a > b,\
1700            a >= b,\
1701            a <= b);\
1702     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1703            a,\
1704            b,\
1705            a + b,\
1706            a - b,\
1707            a * b,\
1708            a / b,\
1709            -a);\
1710     printf(fmt "\n", ++a);\
1711     printf(fmt "\n", a++);\
1712     printf(fmt "\n", a);\
1713     b = 0;\
1714     printf("%d %d\n", !a, !b);\
1715 }\
1716 void prefix ## fcast(type a)\
1717 {\
1718     float fa;\
1719     double da;\
1720     LONG_DOUBLE la;\
1721     int ia;\
1722     long long llia;\
1723     unsigned int ua;\
1724     unsigned long long llua;\
1725     type b;\
1726     fa = a;\
1727     da = a;\
1728     la = a;\
1729     printf("ftof: %f %f %Lf\n", fa, da, la);\
1730     ia = (int)a;\
1731     llia = (long long)a;\
1732     a = (a >= 0) ? a : -a;\
1733     ua = (unsigned int)a;\
1734     llua = (unsigned long long)a;\
1735     printf("ftoi: %d %u %lld %llu\n", ia, ua, llia, llua);\
1736     ia = -1234;\
1737     ua = 0x81234500;\
1738     llia = -0x123456789012345LL;\
1739     llua = 0xf123456789012345LLU;\
1740     b = ia;\
1741     printf("itof: " fmt "\n", b);\
1742     b = ua;\
1743     printf("utof: " fmt "\n", b);\
1744     b = llia;\
1745     printf("lltof: " fmt "\n", b);\
1746     b = llua;\
1747     printf("ulltof: " fmt "\n", b);\
1748 }\
1749 \
1750 float prefix ## retf(type a) { return a; }\
1751 double prefix ## retd(type a) { return a; }\
1752 LONG_DOUBLE prefix ## retld(type a) { return a; }\
1753 \
1754 void prefix ## call(void)\
1755 {\
1756     printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
1757     printf("double: %f\n", prefix ## retd(42.123456789));\
1758     printf("long double: %Lf\n", prefix ## retld(42.123456789));\
1759     printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
1760 }\
1761 \
1762 void prefix ## signed_zeros(void) \
1763 {\
1764   type x = 0.0, y = -0.0, n, p;\
1765   if (x == y)\
1766     printf ("Test 1.0 / x != 1.0 / y  returns %d (should be 1).\n",\
1767             1.0 / x != 1.0 / y);\
1768   else\
1769     printf ("x != y; this is wrong!\n");\
1770 \
1771   n = -x;\
1772   if (x == n)\
1773     printf ("Test 1.0 / x != 1.0 / -x returns %d (should be 1).\n",\
1774             1.0 / x != 1.0 / n);\
1775   else\
1776     printf ("x != -x; this is wrong!\n");\
1777 \
1778   p = +y;\
1779   if (x == p)\
1780     printf ("Test 1.0 / x != 1.0 / +y returns %d (should be 1).\n",\
1781             1.0 / x != 1.0 / p);\
1782   else\
1783     printf ("x != +y; this is wrong!\n");\
1784   p = -y;\
1785   if (x == p)\
1786     printf ("Test 1.0 / x != 1.0 / -y returns %d (should be 0).\n",\
1787             1.0 / x != 1.0 / p);\
1788   else\
1789     printf ("x != -y; this is wrong!\n");\
1790 }\
1791 void prefix ## test(void)\
1792 {\
1793     printf("testing '%s'\n", #typename);\
1794     prefix ## cmp(1, 2.5);\
1795     prefix ## cmp(2, 1.5);\
1796     prefix ## cmp(1, 1);\
1797     prefix ## fcast(234.6);\
1798     prefix ## fcast(-2334.6);\
1799     prefix ## call();\
1800     prefix ## signed_zeros();\
1801 }
1802
1803 FTEST(f, float, float, "%f")
1804 FTEST(d, double, double, "%f")
1805 FTEST(ld, long double, LONG_DOUBLE, "%Lf")
1806
1807 double ftab1[3] = { 1.2, 3.4, -5.6 };
1808
1809
1810 void float_test(void)
1811 {
1812     float fa, fb;
1813     double da, db;
1814     int a;
1815     unsigned int b;
1816
1817     printf("float_test:\n");
1818     printf("sizeof(float) = %d\n", sizeof(float));
1819     printf("sizeof(double) = %d\n", sizeof(double));
1820     printf("sizeof(long double) = %d\n", sizeof(LONG_DOUBLE));
1821     ftest();
1822     dtest();
1823     ldtest();
1824     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1825     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1826     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1827     da = 123;
1828     printf("da=%f\n", da);
1829     fa = 123;
1830     printf("fa=%f\n", fa);
1831     a = 4000000000;
1832     da = a;
1833     printf("da = %f\n", da);
1834     b = 4000000000;
1835     db = b;
1836     printf("db = %f\n", db);
1837 }
1838
1839 int fib(int n)
1840 {
1841     if (n <= 2)
1842         return 1;
1843     else
1844         return fib(n-1) + fib(n-2);
1845 }
1846
1847 void funcptr_test()
1848 {
1849     void (*func)(int);
1850     int a;
1851     struct {
1852         int dummy;
1853         void (*func)(int);
1854     } st1;
1855
1856     printf("funcptr:\n");
1857     func = &num;
1858     (*func)(12345);
1859     func = num;
1860     a = 1;
1861     a = 1;
1862     func(12345);
1863     /* more complicated pointer computation */
1864     st1.func = num;
1865     st1.func(12346);
1866     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1867     printf("sizeof2 = %d\n", sizeof funcptr_test);
1868     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1869     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1870 }
1871
1872 void lloptest(long long a, long long b)
1873 {
1874     unsigned long long ua, ub;
1875
1876     ua = a;
1877     ub = b;
1878     /* arith */
1879     printf("arith: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1880            a + b,
1881            a - b,
1882            a * b);
1883
1884     if (b != 0) {
1885         printf("arith1: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1886            a / b,
1887            a % b);
1888     }
1889
1890     /* binary */
1891     printf("bin: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1892            a & b,
1893            a | b,
1894            a ^ b);
1895
1896     /* tests */
1897     printf("test: %d %d %d %d %d %d\n",
1898            a == b,
1899            a != b,
1900            a < b,
1901            a > b,
1902            a >= b,
1903            a <= b);
1904
1905     printf("utest: %d %d %d %d %d %d\n",
1906            ua == ub,
1907            ua != ub,
1908            ua < ub,
1909            ua > ub,
1910            ua >= ub,
1911            ua <= ub);
1912
1913     /* arith2 */
1914     a++;
1915     b++;
1916     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1917     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a++, b++);
1918     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", --a, --b);
1919     printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
1920     b = ub = 0;
1921     printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
1922 }
1923
1924 void llshift(long long a, int b)
1925 {
1926     printf("shift: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1927            (unsigned long long)a >> b,
1928            a >> b,
1929            a << b);
1930     printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1931            (unsigned long long)a >> 3,
1932            a >> 3,
1933            a << 3);
1934     printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
1935            (unsigned long long)a >> 35,
1936            a >> 35,
1937            a << 35);
1938 }
1939
1940 void llfloat(void)
1941 {
1942     float fa;
1943     double da;
1944     LONG_DOUBLE lda;
1945     long long la, lb, lc;
1946     unsigned long long ula, ulb, ulc;
1947     la = 0x12345678;
1948     ula = 0x72345678;
1949     la = (la << 20) | 0x12345;
1950     ula = ula << 33;
1951     printf("la=" LONG_LONG_FORMAT " ula=" ULONG_LONG_FORMAT "\n", la, ula);
1952
1953     fa = la;
1954     da = la;
1955     lda = la;
1956     printf("lltof: %f %f %Lf\n", fa, da, lda);
1957
1958     la = fa;
1959     lb = da;
1960     lc = lda;
1961     printf("ftoll: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", la, lb, lc);
1962
1963     fa = ula;
1964     da = ula;
1965     lda = ula;
1966     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1967
1968     ula = fa;
1969     ulb = da;
1970     ulc = lda;
1971     printf("ftoull: " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT "\n", ula, ulb, ulc);
1972 }
1973
1974 long long llfunc1(int a)
1975 {
1976     return a * 2;
1977 }
1978
1979 struct S {
1980     int id;
1981     char item;
1982 };
1983
1984 long long int value(struct S *v)
1985 {
1986     return ((long long int)v->item);
1987 }
1988
1989 void longlong_test(void)
1990 {
1991     long long a, b, c;
1992     int ia;
1993     unsigned int ua;
1994     printf("longlong_test:\n");
1995     printf("sizeof(long long) = %d\n", sizeof(long long));
1996     ia = -1;
1997     ua = -2;
1998     a = ia;
1999     b = ua;
2000     printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
2001     printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %Lx\n",
2002            (long long)1,
2003            (long long)-2,
2004            1LL,
2005            0x1234567812345679);
2006     a = llfunc1(-3);
2007     printf(LONG_LONG_FORMAT "\n", a);
2008
2009     lloptest(1000, 23);
2010     lloptest(0xff, 0x1234);
2011     b = 0x72345678 << 10;
2012     lloptest(-3, b);
2013     llshift(0x123, 5);
2014     llshift(-23, 5);
2015     b = 0x72345678LL << 10;
2016     llshift(b, 47);
2017
2018     llfloat();
2019 #if 1
2020     b = 0x12345678;
2021     a = -1;
2022     c = a + b;
2023     printf("%Lx\n", c);
2024 #endif
2025
2026     /* long long reg spill test */
2027     {
2028           struct S a;
2029
2030           a.item = 3;
2031           printf("%lld\n", value(&a));
2032     }
2033     lloptest(0x80000000, 0);
2034
2035     /* another long long spill test */
2036     {
2037         long long *p, v;
2038         v = 1;
2039         p = &v;
2040         p[0]++;
2041         printf("%lld\n", *p);
2042     }
2043
2044     a = 68719476720LL;
2045     b = 4294967295LL;
2046     printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
2047
2048     printf(LONG_LONG_FORMAT "\n", 0x123456789LLU);
2049 }
2050
2051 void manyarg_test(void)
2052 {
2053     LONG_DOUBLE ld = 1234567891234LL;
2054     printf("manyarg_test:\n");
2055     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
2056            1, 2, 3, 4, 5, 6, 7, 8,
2057            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
2058     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2059            LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
2060            1, 2, 3, 4, 5, 6, 7, 8,
2061            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2062            1234567891234LL, 987654321986LL,
2063            42.0, 43.0);
2064     printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2065            LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
2066            ld, 1, 2, 3, 4, 5, 6, 7, 8,
2067            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2068            1234567891234LL, 987654321986LL,
2069            42.0, 43.0);
2070     printf("%d %d %d %d %d %d %d %d %Lf\n",
2071            1, 2, 3, 4, 5, 6, 7, 8, ld);
2072     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2073            LONG_LONG_FORMAT " " LONG_LONG_FORMAT "%f %f %Lf\n",
2074            1, 2, 3, 4, 5, 6, 7, 8,
2075            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2076            1234567891234LL, 987654321986LL,
2077            42.0, 43.0, ld);
2078     printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2079            "%Lf " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f %Lf\n",
2080            1, 2, 3, 4, 5, 6, 7, 8,
2081            0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2082            ld, 1234567891234LL, 987654321986LL,
2083            42.0, 43.0, ld);
2084 }
2085
2086 void vprintf1(const char *fmt, ...)
2087 {
2088     va_list ap, aq;
2089     const char *p;
2090     int c, i;
2091     double d;
2092     long long ll;
2093     LONG_DOUBLE ld;
2094
2095     va_start(aq, fmt);
2096     va_copy(ap, aq);
2097
2098     p = fmt;
2099     for(;;) {
2100         c = *p;
2101         if (c == '\0')
2102             break;
2103         p++;
2104         if (c == '%') {
2105             c = *p;
2106             switch(c) {
2107             case '\0':
2108                 goto the_end;
2109             case 'd':
2110                 i = va_arg(ap, int);
2111                 printf("%d", i);
2112                 break;
2113             case 'f':
2114                 d = va_arg(ap, double);
2115                 printf("%f", d);
2116                 break;
2117             case 'l':
2118                 ll = va_arg(ap, long long);
2119                 printf(LONG_LONG_FORMAT, ll);
2120                 break;
2121             case 'F':
2122                 ld = va_arg(ap, LONG_DOUBLE);
2123                 printf("%Lf", ld);
2124                 break;
2125             }
2126             p++;
2127         } else {
2128             putchar(c);
2129         }
2130     }
2131  the_end:
2132     va_end(aq);
2133     va_end(ap);
2134 }
2135
2136 struct myspace {
2137     short int profile;
2138 };
2139
2140 void stdarg_for_struct(struct myspace bob, ...)
2141 {
2142     struct myspace george, bill;
2143     va_list ap;
2144     short int validate;
2145
2146     va_start(ap, bob);
2147     bill     = va_arg(ap, struct myspace);
2148     george   = va_arg(ap, struct myspace);
2149     validate = va_arg(ap, int);
2150     printf("stdarg_for_struct: %d %d %d %d\n",
2151            bob.profile, bill.profile, george.profile, validate);
2152     va_end(ap);
2153 }
2154
2155 void stdarg_test(void)
2156 {
2157     LONG_DOUBLE ld = 1234567891234LL;
2158     struct myspace bob;
2159
2160     vprintf1("%d %d %d\n", 1, 2, 3);
2161     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
2162     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
2163     vprintf1("%F %F %F\n", LONG_DOUBLE_LITERAL(1.2), LONG_DOUBLE_LITERAL(2.3), LONG_DOUBLE_LITERAL(3.4));
2164     vprintf1("%d %f %l %F %d %f %l %F\n",
2165              1, 1.2, 3LL, LONG_DOUBLE_LITERAL(4.5), 6, 7.8, 9LL, LONG_DOUBLE_LITERAL(0.1));
2166     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
2167              1, 2, 3, 4, 5, 6, 7, 8,
2168              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
2169     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
2170              1, 2, 3, 4, 5, 6, 7, 8,
2171              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
2172     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2173              "%l %l %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              1234567891234LL, 987654321986LL,
2177              42.0, 43.0);
2178     vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2179              "%l %l %f %f\n",
2180              ld, 1, 2, 3, 4, 5, 6, 7, 8,
2181              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2182              1234567891234LL, 987654321986LL,
2183              42.0, 43.0);
2184     vprintf1("%d %d %d %d %d %d %d %d %F\n",
2185              1, 2, 3, 4, 5, 6, 7, 8, ld);
2186     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2187              "%l %l %f %f %F\n",
2188              1, 2, 3, 4, 5, 6, 7, 8,
2189              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2190              1234567891234LL, 987654321986LL,
2191              42.0, 43.0, ld);
2192     vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
2193              "%F %l %l %f %f %F\n",
2194              1, 2, 3, 4, 5, 6, 7, 8,
2195              0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
2196              ld, 1234567891234LL, 987654321986LL,
2197              42.0, 43.0, ld);
2198
2199     bob.profile = 42;
2200     stdarg_for_struct(bob, bob, bob, bob.profile);
2201 }
2202
2203 void whitespace_test(void)
2204 {
2205     char *str;
2206
2207 \f\v
2208 #if 1
2209     pri\
2210 ntf("whitspace:\n");\f\v
2211 #endif
2212     pf("N=%d\n", 2);
2213
2214 #ifdef CORRECT_CR_HANDLING
2215     pri\
2216 ntf("aaa=%d\n", 3);
2217 #endif
2218
2219     pri\
2220 \
2221 ntf("min=%d\n", 4);
2222
2223 #ifdef ACCEPT_CR_IN_STRINGS
2224     printf("len1=%d\n", strlen("
2225 "));
2226 #ifdef CORRECT_CR_HANDLING
2227     str = "
2228 ";
2229     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
2230 #endif
2231     printf("len1=%d\n", strlen("
2232 a
2233 "));
2234 #endif /* ACCEPT_CR_IN_STRINGS */
2235 }
2236
2237 int reltab[3] = { 1, 2, 3 };
2238
2239 int *rel1 = &reltab[1];
2240 int *rel2 = &reltab[2];
2241
2242 void relocation_test(void)
2243 {
2244     printf("*rel1=%d\n", *rel1);
2245     printf("*rel2=%d\n", *rel2);
2246 }
2247
2248 void old_style_f(a,b,c)
2249      int a, b;
2250      double c;
2251 {
2252     printf("a=%d b=%d b=%f\n", a, b, c);
2253 }
2254
2255 void decl_func1(int cmpfn())
2256 {
2257     printf("cmpfn=%lx\n", (long)cmpfn);
2258 }
2259
2260 void decl_func2(cmpfn)
2261 int cmpfn();
2262 {
2263     printf("cmpfn=%lx\n", (long)cmpfn);
2264 }
2265
2266 void old_style_function(void)
2267 {
2268     old_style_f((void *)1, 2, 3.0);
2269     decl_func1(NULL);
2270     decl_func2(NULL);
2271 }
2272
2273 void alloca_test()
2274 {
2275 #if defined __i386__ || defined __x86_64__ || defined __arm__
2276     char *p = alloca(16);
2277     strcpy(p,"123456789012345");
2278     printf("alloca: p is %s\n", p);
2279     char *demo = "This is only a test.\n";
2280     /* Test alloca embedded in a larger expression */
2281     printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
2282 #endif
2283 }
2284
2285 void *bounds_checking_is_enabled()
2286 {
2287     char ca[10], *cp = ca-1;
2288     return (ca != cp + 1) ? cp : NULL;
2289 }
2290
2291 typedef int constant_negative_array_size_as_compile_time_assertion_idiom[(1 ? 2 : 0) - 1];
2292
2293 void c99_vla_test(int size1, int size2)
2294 {
2295 #if defined __i386__ || defined __x86_64__
2296     int size = size1 * size2;
2297     int tab1[size][2], tab2[10][2];
2298     void *tab1_ptr, *tab2_ptr, *bad_ptr;
2299
2300     /* "size" should have been 'captured' at tab1 declaration,
2301         so modifying it should have no effect on VLA behaviour. */
2302     size = size-1;
2303
2304     printf("Test C99 VLA 1 (sizeof): ");
2305     printf("%s\n", (sizeof tab1 == size1 * size2 * 2 * sizeof(int)) ? "PASSED" : "FAILED");
2306     tab1_ptr = tab1;
2307     tab2_ptr = tab2;
2308     printf("Test C99 VLA 2 (ptrs subtract): ");
2309     printf("%s\n", (tab2 - tab1 == (tab2_ptr - tab1_ptr) / (sizeof(int) * 2)) ? "PASSED" : "FAILED");
2310     printf("Test C99 VLA 3 (ptr add): ");
2311     printf("%s\n", &tab1[5][1] == (tab1_ptr + (5 * 2 + 1) * sizeof(int)) ? "PASSED" : "FAILED");
2312     printf("Test C99 VLA 4 (ptr access): ");
2313     tab1[size1][1] = 42;
2314     printf("%s\n", (*((int *) (tab1_ptr + (size1 * 2 + 1) * sizeof(int))) == 42) ? "PASSED" : "FAILED");
2315
2316     printf("Test C99 VLA 5 (bounds checking (might be disabled)): ");
2317     if (bad_ptr = bounds_checking_is_enabled()) {
2318         int *t1 = &tab1[size1 * size2 - 1][3];
2319         int *t2 = &tab2[9][3];
2320         printf("%s ", bad_ptr == t1 ? "PASSED" : "FAILED");
2321         printf("%s ", bad_ptr == t2 ? "PASSED" : "FAILED");
2322
2323         char*c1 = 1 + sizeof(tab1) + (char*)tab1;
2324         char*c2 = 1 + sizeof(tab2) + (char*)tab2;
2325         printf("%s ", bad_ptr == c1 ? "PASSED" : "FAILED");
2326         printf("%s ", bad_ptr == c2 ? "PASSED" : "FAILED");
2327
2328         int *i1 = tab1[-1];
2329         int *i2 = tab2[-1];
2330         printf("%s ", bad_ptr == i1 ? "PASSED" : "FAILED");
2331         printf("%s ", bad_ptr == i2 ? "PASSED" : "FAILED");
2332
2333         int *x1 = tab1[size1 * size2 + 1];
2334         int *x2 = tab2[10 + 1];
2335         printf("%s ", bad_ptr == x1 ? "PASSED" : "FAILED");
2336         printf("%s ", bad_ptr == x2 ? "PASSED" : "FAILED");
2337     } else {
2338         printf("PASSED PASSED PASSED PASSED PASSED PASSED PASSED PASSED ");
2339     }
2340     printf("\n");
2341 #endif
2342 }
2343
2344 typedef __SIZE_TYPE__ uintptr_t;
2345
2346 void sizeof_test(void)
2347 {
2348     int a;
2349     int **ptr;
2350
2351     printf("sizeof(int) = %d\n", sizeof(int));
2352     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
2353     printf("sizeof(long) = %d\n", sizeof(long));
2354     printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
2355     printf("sizeof(short) = %d\n", sizeof(short));
2356     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
2357     printf("sizeof(char) = %d\n", sizeof(char));
2358     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
2359     printf("sizeof(func) = %d\n", sizeof sizeof_test());
2360     a = 1;
2361     printf("sizeof(a++) = %d\n", sizeof a++);
2362     printf("a=%d\n", a);
2363     ptr = NULL;
2364     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
2365
2366     /* The type of sizeof should be as large as a pointer, actually
2367        it should be size_t.  */
2368     printf("sizeof(sizeof(int) = %d\n", sizeof(sizeof(int)));
2369     uintptr_t t = 1;
2370     uintptr_t t2;
2371     /* Effectively <<32, but defined also on 32bit machines.  */
2372     t <<= 16;
2373     t <<= 16;
2374     t++;
2375     /* This checks that sizeof really can be used to manipulate
2376        uintptr_t objects, without truncation.  */
2377     t2 = t & -sizeof(uintptr_t);
2378     printf ("%lu %lu\n", t, t2);
2379
2380     /* some alignof tests */
2381     printf("__alignof__(int) = %d\n", __alignof__(int));
2382     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
2383     printf("__alignof__(short) = %d\n", __alignof__(short));
2384     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
2385     printf("__alignof__(char) = %d\n", __alignof__(char));
2386     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
2387     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
2388 }
2389
2390 void typeof_test(void)
2391 {
2392     double a;
2393     typeof(a) b;
2394     typeof(float) c;
2395
2396     a = 1.5;
2397     b = 2.5;
2398     c = 3.5;
2399     printf("a=%f b=%f c=%f\n", a, b, c);
2400 }
2401
2402 void statement_expr_test(void)
2403 {
2404     int a, i;
2405
2406     a = 0;
2407     for(i=0;i<10;i++) {
2408         a += 1 +
2409             ( { int b, j;
2410                 b = 0;
2411                 for(j=0;j<5;j++)
2412                     b += j; b;
2413             } );
2414     }
2415     printf("a=%d\n", a);
2416
2417 }
2418
2419 void local_label_test(void)
2420 {
2421     int a;
2422     goto l1;
2423  l2:
2424     a = 1 + ({
2425         __label__ l1, l2, l3, l4;
2426         goto l1;
2427     l4:
2428         printf("aa1\n");
2429         goto l3;
2430     l2:
2431         printf("aa3\n");
2432         goto l4;
2433     l1:
2434         printf("aa2\n");
2435         goto l2;
2436     l3:;
2437         1;
2438     });
2439     printf("a=%d\n", a);
2440     return;
2441  l4:
2442     printf("bb1\n");
2443     goto l2;
2444  l1:
2445     printf("bb2\n");
2446     goto l4;
2447 }
2448
2449 /* inline assembler test */
2450 #ifdef __i386__
2451
2452 /* from linux kernel */
2453 static char * strncat1(char * dest,const char * src,size_t count)
2454 {
2455 int d0, d1, d2, d3;
2456 __asm__ __volatile__(
2457         "repne\n\t"
2458         "scasb\n\t"
2459         "decl %1\n\t"
2460         "movl %8,%3\n"
2461         "1:\tdecl %3\n\t"
2462         "js 2f\n\t"
2463         "lodsb\n\t"
2464         "stosb\n\t"
2465         "testb %%al,%%al\n\t"
2466         "jne 1b\n"
2467         "2:\txorl %2,%2\n\t"
2468         "stosb"
2469         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2470         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2471         : "memory");
2472 return dest;
2473 }
2474
2475 static char * strncat2(char * dest,const char * src,size_t count)
2476 {
2477 int d0, d1, d2, d3;
2478 __asm__ __volatile__(
2479         "repne scasb\n\t" /* one-line repne prefix + string op */
2480         "decl %1\n\t"
2481         "movl %8,%3\n"
2482         "1:\tdecl %3\n\t"
2483         "js 2f\n\t"
2484         "lodsb\n\t"
2485         "stosb\n\t"
2486         "testb %%al,%%al\n\t"
2487         "jne 1b\n"
2488         "2:\txorl %2,%2\n\t"
2489         "stosb"
2490         : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
2491         : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
2492         : "memory");
2493 return dest;
2494 }
2495
2496 static inline void * memcpy1(void * to, const void * from, size_t n)
2497 {
2498 int d0, d1, d2;
2499 __asm__ __volatile__(
2500         "rep ; movsl\n\t"
2501         "testb $2,%b4\n\t"
2502         "je 1f\n\t"
2503         "movsw\n"
2504         "1:\ttestb $1,%b4\n\t"
2505         "je 2f\n\t"
2506         "movsb\n"
2507         "2:"
2508         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2509         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2510         : "memory");
2511 return (to);
2512 }
2513
2514 static inline void * memcpy2(void * to, const void * from, size_t n)
2515 {
2516 int d0, d1, d2;
2517 __asm__ __volatile__(
2518         "rep movsl\n\t"  /* one-line rep prefix + string op */
2519         "testb $2,%b4\n\t"
2520         "je 1f\n\t"
2521         "movsw\n"
2522         "1:\ttestb $1,%b4\n\t"
2523         "je 2f\n\t"
2524         "movsb\n"
2525         "2:"
2526         : "=&c" (d0), "=&D" (d1), "=&S" (d2)
2527         :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
2528         : "memory");
2529 return (to);
2530 }
2531
2532 static __inline__ void sigaddset1(unsigned int *set, int _sig)
2533 {
2534         __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2535 }
2536
2537 static __inline__ void sigdelset1(unsigned int *set, int _sig)
2538 {
2539         asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
2540 }
2541
2542 static __inline__ __const__ unsigned int swab32(unsigned int x)
2543 {
2544         __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
2545                 "rorl $16,%0\n\t"       /* swap words           */
2546                 "xchgb %b0,%h0"         /* swap higher bytes    */
2547                 :"=q" (x)
2548                 : "0" (x));
2549         return x;
2550 }
2551
2552 static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
2553 {
2554     unsigned long long res;
2555     __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
2556     return res;
2557 }
2558
2559 static __inline__ unsigned long long inc64(unsigned long long a)
2560 {
2561     unsigned long long res;
2562     __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
2563     return res;
2564 }
2565
2566 unsigned int set;
2567
2568 void asm_test(void)
2569 {
2570     char buf[128];
2571     unsigned int val;
2572
2573     printf("inline asm:\n");
2574     /* test the no operand case */
2575     asm volatile ("xorl %eax, %eax");
2576
2577     memcpy1(buf, "hello", 6);
2578     strncat1(buf, " worldXXXXX", 3);
2579     printf("%s\n", buf);
2580
2581     memcpy2(buf, "hello", 6);
2582     strncat2(buf, " worldXXXXX", 3);
2583     printf("%s\n", buf);
2584
2585     /* 'A' constraint test */
2586     printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
2587     printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
2588
2589     set = 0xff;
2590     sigdelset1(&set, 2);
2591     sigaddset1(&set, 16);
2592     /* NOTE: we test here if C labels are correctly restored after the
2593        asm statement */
2594     goto label1;
2595  label2:
2596     __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
2597 #ifdef __GNUC__ // works strange with GCC 4.3
2598     set=0x1080fd;
2599 #endif
2600     printf("set=0x%x\n", set);
2601     val = 0x01020304;
2602     printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
2603     return;
2604  label1:
2605     goto label2;
2606 }
2607
2608 #else
2609
2610 void asm_test(void)
2611 {
2612 }
2613
2614 #endif
2615
2616 #define COMPAT_TYPE(type1, type2) \
2617 {\
2618     printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
2619            __builtin_types_compatible_p (type1, type2));\
2620 }
2621
2622 int constant_p_var;
2623
2624 void builtin_test(void)
2625 {
2626 #if GCC_MAJOR >= 3
2627     COMPAT_TYPE(int, int);
2628     COMPAT_TYPE(int, unsigned int);
2629     COMPAT_TYPE(int, char);
2630     COMPAT_TYPE(int, const int);
2631     COMPAT_TYPE(int, volatile int);
2632     COMPAT_TYPE(int *, int *);
2633     COMPAT_TYPE(int *, void *);
2634     COMPAT_TYPE(int *, const int *);
2635     COMPAT_TYPE(char *, unsigned char *);
2636 /* space is needed because tcc preprocessor introduces a space between each token */
2637     COMPAT_TYPE(char * *, void *);
2638 #endif
2639     printf("res = %d\n", __builtin_constant_p(1));
2640     printf("res = %d\n", __builtin_constant_p(1 + 2));
2641     printf("res = %d\n", __builtin_constant_p(&constant_p_var));
2642     printf("res = %d\n", __builtin_constant_p(constant_p_var));
2643 }
2644
2645 #ifndef _WIN32
2646 extern int __attribute__((weak)) weak_f1(void);
2647 extern int __attribute__((weak)) weak_f2(void);
2648 extern int                       weak_f3(void);
2649 extern int __attribute__((weak)) weak_v1;
2650 extern int __attribute__((weak)) weak_v2;
2651 extern int                       weak_v3;
2652
2653 extern int                           (*weak_fpa)() __attribute__((weak));
2654 extern int __attribute__((weak))     (*weak_fpb)();
2655 extern     __attribute__((weak)) int (*weak_fpc)();
2656
2657 extern int                     weak_asm_f1(void) asm("weak_asm_f1x") __attribute((weak));
2658 extern int __attribute((weak)) weak_asm_f2(void) asm("weak_asm_f2x")                    ;
2659 extern int __attribute((weak)) weak_asm_f3(void) asm("weak_asm_f3x") __attribute((weak));
2660 extern int                     weak_asm_v1       asm("weak_asm_v1x") __attribute((weak));
2661 extern int __attribute((weak)) weak_asm_v2       asm("weak_asm_v2x")                    ;
2662 extern int __attribute((weak)) weak_asm_v3(void) asm("weak_asm_v3x") __attribute((weak));
2663
2664 static const size_t dummy = 0;
2665 extern __typeof(dummy) weak_dummy1 __attribute__((weak, alias("dummy")));
2666 extern __typeof(dummy) __attribute__((weak, alias("dummy"))) weak_dummy2;
2667 extern __attribute__((weak, alias("dummy"))) __typeof(dummy) weak_dummy3;
2668
2669 int some_lib_func(void);
2670 int dummy_impl_of_slf(void) { return 444; }
2671 int some_lib_func(void) __attribute__((weak, alias("dummy_impl_of_slf")));
2672
2673 int weak_toolate() __attribute__((weak));
2674 int weak_toolate() { return 0; }
2675
2676 void __attribute__((weak)) weak_test(void)
2677 {
2678         printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
2679         printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
2680         printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
2681         printf("weak_v1=%d\n",&weak_v1 ? weak_v1   : 123);
2682         printf("weak_v2=%d\n",&weak_v2 ? weak_v2   : 123);
2683         printf("weak_v3=%d\n",&weak_v3 ? weak_v3   : 123);
2684
2685         printf("weak_fpa=%d\n",&weak_fpa ? weak_fpa() : 123);
2686         printf("weak_fpb=%d\n",&weak_fpb ? weak_fpb() : 123);
2687         printf("weak_fpc=%d\n",&weak_fpc ? weak_fpc() : 123);
2688
2689         printf("weak_asm_f1=%d\n", weak_asm_f1 != NULL);
2690         printf("weak_asm_f2=%d\n", weak_asm_f2 != NULL);
2691         printf("weak_asm_f3=%d\n", weak_asm_f3 != NULL);
2692         printf("weak_asm_v1=%d\n",&weak_asm_v1 != NULL);
2693         printf("weak_asm_v2=%d\n",&weak_asm_v2 != NULL);
2694         printf("weak_asm_v3=%d\n",&weak_asm_v3 != NULL);
2695 }
2696
2697 int __attribute__((weak)) weak_f2() { return 222; }
2698 int __attribute__((weak)) weak_f3() { return 333; }
2699 int __attribute__((weak)) weak_v2 = 222;
2700 int __attribute__((weak)) weak_v3 = 333;
2701 #endif
2702
2703 void const_func(const int a)
2704 {
2705 }
2706
2707 void const_warn_test(void)
2708 {
2709     const_func(1);
2710 }
2711
2712 struct condstruct {
2713   int i;
2714 };
2715
2716 int getme (struct condstruct *s, int i)
2717 {
2718   int i1 = (i == 0 ? 0 : s)->i;
2719   int i2 = (i == 0 ? s : 0)->i;
2720   int i3 = (i == 0 ? (void*)0 : s)->i;
2721   int i4 = (i == 0 ? s : (void*)0)->i;
2722   return i1 + i2 + i3 + i4;
2723 }
2724
2725 struct global_data
2726 {
2727   int a[40];
2728   int *b[40];
2729 };
2730
2731 struct global_data global_data;
2732
2733 int global_data_getstuff (int *, int);
2734
2735 void global_data_callit (int i)
2736 {
2737   *global_data.b[i] = global_data_getstuff (global_data.b[i], 1);
2738 }
2739
2740 int global_data_getstuff (int *p, int i)
2741 {
2742   return *p + i;
2743 }
2744
2745 void global_data_test (void)
2746 {
2747   global_data.a[0] = 42;
2748   global_data.b[0] = &global_data.a[0];
2749   global_data_callit (0);
2750   printf ("%d\n", global_data.a[0]);
2751 }
2752
2753 struct cmpcmpS
2754 {
2755   unsigned char fill : 3;
2756   unsigned char b1 : 1;
2757   unsigned char b2 : 1;
2758   unsigned char fill2 : 3;
2759 };
2760
2761 int glob1, glob2, glob3;
2762
2763 void compare_comparisons (struct cmpcmpS *s)
2764 {
2765   if (s->b1 != (glob1 == glob2)
2766       || (s->b2 != (glob1 == glob3)))
2767     printf ("comparing comparisons broken\n");
2768 }
2769
2770 void cmp_comparison_test(void)
2771 {
2772   struct cmpcmpS s;
2773   s.b1 = 1;
2774   glob1 = 42; glob2 = 42;
2775   s.b2 = 0;
2776   glob3 = 43;
2777   compare_comparisons (&s);
2778 }
2779
2780 int fcompare (double a, double b, int code)
2781 {
2782   switch (code) {
2783     case 0: return a == b;
2784     case 1: return a != b;
2785     case 2: return a < b;
2786     case 3: return a >= b;
2787     case 4: return a > b;
2788     case 5: return a <= b;
2789   }
2790 }
2791
2792 void math_cmp_test(void)
2793 {
2794   double nan = 0.0/0.0;
2795   double one = 1.0;
2796   double two = 2.0;
2797   int comp = 0;
2798 #define bug(a,b,op,iop,part) printf("Test broken: %s %s %s %s %d\n", #a, #b, #op, #iop, part)
2799
2800   /* This asserts that "a op b" is _not_ true, but "a iop b" is true.
2801      And it does this in various ways so that all code generation paths
2802      are checked (generating inverted tests, or non-inverted tests, or
2803      producing a 0/1 value without jumps (that's done in the fcompare
2804      function).  */
2805 #define FCMP(a,b,op,iop,code) \
2806   if (fcompare (a,b,code))    \
2807     bug (a,b,op,iop,1); \
2808   if (a op b) \
2809     bug (a,b,op,iop,2); \
2810   if (a iop b) \
2811     ; \
2812   else \
2813     bug (a,b,op,iop,3); \
2814   if ((a op b) || comp) \
2815     bug (a,b,op,iop,4); \
2816   if ((a iop b) || comp) \
2817     ; \
2818   else \
2819     bug (a,b,op,iop,5);
2820
2821   /* Equality tests.  */
2822   FCMP(nan, nan, ==, !=, 0);
2823   FCMP(one, two, ==, !=, 0);
2824   FCMP(one, one, !=, ==, 1);
2825   /* Non-equality is a bit special.  */
2826   if (!fcompare (nan, nan, 1))
2827     bug (nan, nan, !=, ==, 6);
2828
2829   /* Relational tests on numbers.  */
2830   FCMP(two, one, <, >=, 2);
2831   FCMP(one, two, >=, <, 3);
2832   FCMP(one, two, >, <=, 4);
2833   FCMP(two, one, <=, >, 5);
2834
2835   /* Relational tests on NaNs.  Note that the inverse op here is
2836      always !=, there's no operator in C that is equivalent to !(a < b),
2837      when NaNs are involved, same for the other relational ops.  */
2838   FCMP(nan, nan, <, !=, 2);
2839   FCMP(nan, nan, >=, !=, 3);
2840   FCMP(nan, nan, >, !=, 4);
2841   FCMP(nan, nan, <=, !=, 5);
2842 }
2843
2844 double get100 () { return 100.0; }
2845
2846 void callsave_test(void)
2847 {
2848 #if defined __i386__ || defined __x86_64__ || defined __arm__
2849   int i, s; double *d; double t;
2850   s = sizeof (double);
2851   printf ("callsavetest: %d\n", s);
2852   d = alloca (sizeof(double));
2853   d[0] = 10.0;
2854   /* x86-64 had a bug were the next call to get100 would evict
2855      the lvalue &d[0] as VT_LLOCAL, and the reload would be done
2856      in int type, not pointer type.  When alloca returns a pointer
2857      with the high 32 bit set (which is likely on x86-64) the access
2858      generates a segfault.  */
2859   i = d[0] > get100 ();
2860   printf ("%d\n", i);
2861 #endif
2862 }
2863
2864
2865 void bfa3(ptrdiff_t str_offset)
2866 {
2867     printf("bfa3: %s\n", (char *)__builtin_frame_address(3) + str_offset);
2868 }
2869 void bfa2(ptrdiff_t str_offset)
2870 {
2871     printf("bfa2: %s\n", (char *)__builtin_frame_address(2) + str_offset);
2872     bfa3(str_offset);
2873 }
2874 void bfa1(ptrdiff_t str_offset)
2875 {
2876     printf("bfa1: %s\n", (char *)__builtin_frame_address(1) + str_offset);
2877     bfa2(str_offset);
2878 }
2879
2880 void builtin_frame_address_test(void)
2881 {
2882 /* builtin_frame_address fails on ARM with gcc which make test3 fail */
2883 #ifndef __arm__
2884     char str[] = "__builtin_frame_address";
2885     char *fp0 = __builtin_frame_address(0);
2886
2887     printf("str: %s\n", str);
2888     bfa1(str-fp0);
2889 #endif
2890 }