Subversion Repositories openrisc_2011-10-31

/* Common support for checking that appropriate floating point exceptions

   are raised for decimal float operations.  These tests are here to test

   the software decimal float support in libgcc.  */

#include "dfp-dbg.h"

#include "dfp-except.h"

#if defined(DBG) || defined(DBG2)

#include <stdio.h>

#undef FAILURE

#define FAILURE(NUM,KIND,EXCEPT) \

  { printf ("failed for test %d: %s %s\n", NUM, KIND, EXCEPT); failures++; }

#else

#undef FAILURE

#define FAILURE(N,K,E) __builtin_abort ();

#endif

/* This is useful when modifying the test to make sure that tests are

   actually run.  */

#if defined(DBG2)

#define SUCCESS(NUM,EXCEPT) \

  { printf ("passed for test %d: %s\n", NUM, EXCEPT); }

#else

#define SUCCESS(N,E) ;

#endif

#define CHECKFLAG(NUM,EXCEPT,GOT,WANT)                          \

  if ((WANT & EXCEPT) != (GOT & EXCEPT))                        \

    {                                                           \

      if ((WANT & EXCEPT) != 0)                                  \

        FAILURE (NUM, "missing", #EXCEPT)                       \

      else                                                      \

        FAILURE (NUM, "unexpected", #EXCEPT)                    \

    }                                                           \

  else                                                          \

    SUCCESS (NUM, #EXCEPT)

void

checkflags (int num, int want)

{

  int got = DFP_TEST_EXCEPT (FE_ALL_EXCEPT);

  CHECKFLAG (num, FE_INVALID, got, want)

  CHECKFLAG (num, FE_OVERFLOW, got, want)

  CHECKFLAG (num, FE_UNDERFLOW, got, want)

  CHECKFLAG (num, FE_DIVBYZERO, got, want)

  CHECKFLAG (num, FE_INEXACT, got, want)

}

#define BINOP(NUM,OP,VAR1,VAL1,VAR2,VAL2,VAR3,EXCEPT)           \

void                                                            \

binop_##NUM (void)                                              \

{                                                               \

  VAR1 = VAL1;                                                  \

  VAR2 = VAL2;                                                  \

  DFP_CLEAR_EXCEPT (FE_ALL_EXCEPT);                             \

  VAR3 = VAR1 OP VAR2;                                          \

  checkflags (NUM, EXCEPT);                                     \

}

#define CONVERT(NUM,FROM,TO,VALUE,EXCEPT)                       \

void                                                            \

convert_##NUM (void)                                            \

{                                                               \

  FROM = VALUE;                                                 \

  DFP_CLEAR_EXCEPT (FE_ALL_EXCEPT);                             \

  TO = FROM;                                                    \

  checkflags (NUM, EXCEPT);                                     \

}