📄 dhrystone.c
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#ifdef ROPT printf ("Register option selected? YES\n");#else printf ("Register option selected? NO\n");#ifndef __ECOS__ strcpy(Reg_Define, "Register option not selected.");#endif // __ECOS__#endif printf ("Microseconds for one run through Dhrystone: ");#ifdef __ECOS__ printf ("%7.1f \n", Microseconds); printf ("Dhrystones per Second: "); printf ("%10.1f \n", Dhrystones_Per_Second); printf ("VAX MIPS rating = %10.3f \n",Vax_Mips); printf ("\n");#else // __ECOS__ printf ("%7.1lf \n", Microseconds); printf ("Dhrystones per Second: "); printf ("%10.1lf \n", Dhrystones_Per_Second); printf ("VAX MIPS rating = %10.3lf \n",Vax_Mips); printf ("\n"); fprintf(Ap,"\n"); fprintf(Ap,"Dhrystone Benchmark, Version 2.1 (Language: C)\n"); fprintf(Ap,"%s\n",Reg_Define); fprintf(Ap,"Microseconds for one loop: %7.1lf\n",Microseconds); fprintf(Ap,"Dhrystones per second: %10.1lf\n",Dhrystones_Per_Second); fprintf(Ap,"VAX MIPS rating: %10.3lf\n",Vax_Mips); fclose(Ap);#endif // __ECOS__ } #ifdef __ECOS__ CYG_TEST_PASS_FINISH("Dhrystone test");#endif // __ECOS__}#ifdef __ECOS__void#endif // __ECOS__Proc_1 (Ptr_Val_Par)/******************/REG Rec_Pointer Ptr_Val_Par; /* executed once */{ REG Rec_Pointer Next_Record = Ptr_Val_Par->Ptr_Comp; /* == Ptr_Glob_Next */ /* Local variable, initialized with Ptr_Val_Par->Ptr_Comp, */ /* corresponds to "rename" in Ada, "with" in Pascal */ structassign (*Ptr_Val_Par->Ptr_Comp, *Ptr_Glob); Ptr_Val_Par->variant.var_1.Int_Comp = 5; Next_Record->variant.var_1.Int_Comp = Ptr_Val_Par->variant.var_1.Int_Comp; Next_Record->Ptr_Comp = Ptr_Val_Par->Ptr_Comp; Proc_3 (&Next_Record->Ptr_Comp); /* Ptr_Val_Par->Ptr_Comp->Ptr_Comp == Ptr_Glob->Ptr_Comp */ if (Next_Record->Discr == Ident_1) /* then, executed */ { Next_Record->variant.var_1.Int_Comp = 6; Proc_6 (Ptr_Val_Par->variant.var_1.Enum_Comp, &Next_Record->variant.var_1.Enum_Comp); Next_Record->Ptr_Comp = Ptr_Glob->Ptr_Comp; Proc_7 (Next_Record->variant.var_1.Int_Comp, 10, &Next_Record->variant.var_1.Int_Comp); } else /* not executed */ structassign (*Ptr_Val_Par, *Ptr_Val_Par->Ptr_Comp);} /* Proc_1 */#ifdef __ECOS__void#endif // __ECOS__Proc_2 (Int_Par_Ref)/******************/ /* executed once */ /* *Int_Par_Ref == 1, becomes 4 */One_Fifty *Int_Par_Ref;{ One_Fifty Int_Loc;#ifdef __ECOS__ Enumeration Enum_Loc = Ident_1;#else // __ECOS__ Enumeration Enum_Loc;#endif // __ECOS__ Int_Loc = *Int_Par_Ref + 10; do /* executed once */ if (Ch_1_Glob == 'A') /* then, executed */ { Int_Loc -= 1; *Int_Par_Ref = Int_Loc - Int_Glob; Enum_Loc = Ident_1; } /* if */ while (Enum_Loc != Ident_1); /* true */} /* Proc_2 */#ifdef __ECOS__void#endif // __ECOS__Proc_3 (Ptr_Ref_Par)/******************/ /* executed once */ /* Ptr_Ref_Par becomes Ptr_Glob */Rec_Pointer *Ptr_Ref_Par;{ if (Ptr_Glob != Null) /* then, executed */ *Ptr_Ref_Par = Ptr_Glob->Ptr_Comp; Proc_7 (10, Int_Glob, &Ptr_Glob->variant.var_1.Int_Comp);} /* Proc_3 */#ifdef __ECOS__void#endif // __ECOS__Proc_4 () /* without parameters *//*******/ /* executed once */{ Boolean Bool_Loc; Bool_Loc = Ch_1_Glob == 'A'; Bool_Glob = Bool_Loc | Bool_Glob; Ch_2_Glob = 'B';} /* Proc_4 */#ifdef __ECOS__void#endif // __ECOS__Proc_5 () /* without parameters *//*******/ /* executed once */{ Ch_1_Glob = 'A'; Bool_Glob = false;} /* Proc_5 */ /* Procedure for the assignment of structures, */ /* if the C compiler doesn't support this feature */#ifdef NOSTRUCTASSIGNmemcpy (d, s, l)register char *d;register char *s;register int l;{ while (l--) *d++ = *s++;}#endif/* ************************************************************************* * * "DHRYSTONE" Benchmark Program * ----------------------------- * * Version: C, Version 2.1 * * File: dhry_2.c (part 3 of 3) * * Date: May 25, 1988 * * Author: Reinhold P. Weicker * ************************************************************************* */#ifndef __ECOS__#include "dhry.h"#ifndef REG#define REG /* REG becomes defined as empty */ /* i.e. no register variables */#else#define REG register#endif#endif // __ECOS__extern int Int_Glob;extern char Ch_1_Glob;#ifdef __ECOS__void#endif // __ECOS__Proc_6 (Enum_Val_Par, Enum_Ref_Par)/*********************************/ /* executed once */ /* Enum_Val_Par == Ident_3, Enum_Ref_Par becomes Ident_2 */Enumeration Enum_Val_Par;Enumeration *Enum_Ref_Par;{ *Enum_Ref_Par = Enum_Val_Par; if (! Func_3 (Enum_Val_Par)) /* then, not executed */ *Enum_Ref_Par = Ident_4; switch (Enum_Val_Par) { case Ident_1: *Enum_Ref_Par = Ident_1; break; case Ident_2: if (Int_Glob > 100) /* then */ *Enum_Ref_Par = Ident_1; else *Enum_Ref_Par = Ident_4; break; case Ident_3: /* executed */ *Enum_Ref_Par = Ident_2; break; case Ident_4: break; case Ident_5: *Enum_Ref_Par = Ident_3; break; } /* switch */} /* Proc_6 */#ifdef __ECOS__void#endif // __ECOS__Proc_7 (Int_1_Par_Val, Int_2_Par_Val, Int_Par_Ref)/**********************************************/ /* executed three times */ /* first call: Int_1_Par_Val == 2, Int_2_Par_Val == 3, */ /* Int_Par_Ref becomes 7 */ /* second call: Int_1_Par_Val == 10, Int_2_Par_Val == 5, */ /* Int_Par_Ref becomes 17 */ /* third call: Int_1_Par_Val == 6, Int_2_Par_Val == 10, */ /* Int_Par_Ref becomes 18 */One_Fifty Int_1_Par_Val;One_Fifty Int_2_Par_Val;One_Fifty *Int_Par_Ref;{ One_Fifty Int_Loc; Int_Loc = Int_1_Par_Val + 2; *Int_Par_Ref = Int_2_Par_Val + Int_Loc;} /* Proc_7 */#ifdef __ECOS__void#endif // __ECOS__Proc_8 (Arr_1_Par_Ref, Arr_2_Par_Ref, Int_1_Par_Val, Int_2_Par_Val)/*********************************************************************/ /* executed once */ /* Int_Par_Val_1 == 3 */ /* Int_Par_Val_2 == 7 */Arr_1_Dim Arr_1_Par_Ref;Arr_2_Dim Arr_2_Par_Ref;int Int_1_Par_Val;int Int_2_Par_Val;{ REG One_Fifty Int_Index; REG One_Fifty Int_Loc; Int_Loc = Int_1_Par_Val + 5; Arr_1_Par_Ref [Int_Loc] = Int_2_Par_Val; Arr_1_Par_Ref [Int_Loc+1] = Arr_1_Par_Ref [Int_Loc]; Arr_1_Par_Ref [Int_Loc+30] = Int_Loc; for (Int_Index = Int_Loc; Int_Index <= Int_Loc+1; ++Int_Index) Arr_2_Par_Ref [Int_Loc] [Int_Index] = Int_Loc; Arr_2_Par_Ref [Int_Loc] [Int_Loc-1] += 1; Arr_2_Par_Ref [Int_Loc+20] [Int_Loc] = Arr_1_Par_Ref [Int_Loc]; Int_Glob = 5;} /* Proc_8 */Enumeration Func_1 (Ch_1_Par_Val, Ch_2_Par_Val)/*************************************************/ /* executed three times */ /* first call: Ch_1_Par_Val == 'H', Ch_2_Par_Val == 'R' */ /* second call: Ch_1_Par_Val == 'A', Ch_2_Par_Val == 'C' */ /* third call: Ch_1_Par_Val == 'B', Ch_2_Par_Val == 'C' */Capital_Letter Ch_1_Par_Val;Capital_Letter Ch_2_Par_Val;{ Capital_Letter Ch_1_Loc; Capital_Letter Ch_2_Loc; Ch_1_Loc = Ch_1_Par_Val; Ch_2_Loc = Ch_1_Loc; if (Ch_2_Loc != Ch_2_Par_Val) /* then, executed */ return (Ident_1); else /* not executed */ { Ch_1_Glob = Ch_1_Loc; return (Ident_2); }} /* Func_1 */Boolean Func_2 (Str_1_Par_Ref, Str_2_Par_Ref)/*************************************************/ /* executed once */ /* Str_1_Par_Ref == "DHRYSTONE PROGRAM, 1'ST STRING" */ /* Str_2_Par_Ref == "DHRYSTONE PROGRAM, 2'ND STRING" */Str_30 Str_1_Par_Ref;Str_30 Str_2_Par_Ref;{ REG One_Thirty Int_Loc;#ifdef __ECOS__ Capital_Letter Ch_Loc = 'A';#else // __ECOS__ Capital_Letter Ch_Loc;#endif // __ECOS__ Int_Loc = 2; while (Int_Loc <= 2) /* loop body executed once */ if (Func_1 (Str_1_Par_Ref[Int_Loc], Str_2_Par_Ref[Int_Loc+1]) == Ident_1) /* then, executed */ { Ch_Loc = 'A'; Int_Loc += 1; } /* if, while */ if (Ch_Loc >= 'W' && Ch_Loc < 'Z') /* then, not executed */ Int_Loc = 7; if (Ch_Loc == 'R') /* then, not executed */ return (true); else /* executed */ { if (strcmp (Str_1_Par_Ref, Str_2_Par_Ref) > 0) /* then, not executed */ { Int_Loc += 7; Int_Glob = Int_Loc; return (true); } else /* executed */ return (false); } /* if Ch_Loc */} /* Func_2 */Boolean Func_3 (Enum_Par_Val)/***************************/ /* executed once */ /* Enum_Par_Val == Ident_3 */Enumeration Enum_Par_Val;{ Enumeration Enum_Loc; Enum_Loc = Enum_Par_Val; if (Enum_Loc == Ident_3) /* then, executed */ return (true); else /* not executed */ return (false);} /* Func_3 */#else#define NA_MSG "Must use HAL diag output to avoid background DSR activity"#endif // CYGDBG_INFRA_DIAG_USE_DEVICE#else#define NA_MSG "Only runs with optimized code, no tracing and no asserts"#endif // __OPTIMIZE__ && !CYGPKG_INFRA_DEBUG && !CYGPKG_KERNEL_INSTRUMENT#else#define NA_MSG "Requires CYGFUN_KERNEL_API_C && CYGSEM_LIBC_STDIO_PRINTF_FLOATING_POINT"#endif // CYGFUN_KERNEL_API_C && CYGSEM_LIBC_STDIO_PRINTF_FLOATING_POINT#else#define NA_MSG "Requires CYGPKG_KERNEL && CYGPKG_LIBC"#endif // CYGPKG_KERNEL && CYGPKG_LIBC#ifdef NA_MSGexternC voidcyg_start( void ){ CYG_TEST_INIT(); CYG_TEST_NA(NA_MSG);}#endif
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