1/* Common support for checking that appropriate floating point exceptions
2   are raised for decimal float operations.  These tests are here to test
3   the software decimal float support in libgcc.  */
4
5#include "dfp-dbg.h"
6#include "dfp-except.h"
7
8#if defined(DBG) || defined(DBG2)
9#include <stdio.h>
10#undef FAILURE
11#define FAILURE(NUM,KIND,EXCEPT) \
12  { printf ("failed for test %d: %s %s\n", NUM, KIND, EXCEPT); failures++; }
13#else
14#undef FAILURE
15#define FAILURE(N,K,E) __builtin_abort ();
16#endif
17
18/* This is useful when modifying the test to make sure that tests are
19   actually run.  */
20#if defined(DBG2)
21#define SUCCESS(NUM,EXCEPT) \
22  { printf ("passed for test %d: %s\n", NUM, EXCEPT); }
23#else
24#define SUCCESS(N,E) ;
25#endif
26
27#define CHECKFLAG(NUM,EXCEPT,GOT,WANT)				\
28  if ((WANT & EXCEPT) != (GOT & EXCEPT))			\
29    {								\
30      if ((WANT & EXCEPT) != 0)					\
31        FAILURE (NUM, "missing", #EXCEPT)			\
32      else							\
33        FAILURE (NUM, "unexpected", #EXCEPT)			\
34    }								\
35  else								\
36    SUCCESS (NUM, #EXCEPT)
37
38void
39checkflags (int num, int want)
40{
41  int got = DFP_TEST_EXCEPT (FE_ALL_EXCEPT);
42  CHECKFLAG (num, FE_INVALID, got, want)
43  CHECKFLAG (num, FE_OVERFLOW, got, want)
44  CHECKFLAG (num, FE_UNDERFLOW, got, want)
45  CHECKFLAG (num, FE_DIVBYZERO, got, want)
46  CHECKFLAG (num, FE_INEXACT, got, want)
47}
48
49#define BINOP(NUM,OP,VAR1,VAL1,VAR2,VAL2,VAR3,EXCEPT)		\
50void								\
51binop_##NUM (void)						\
52{								\
53  VAR1 = VAL1;							\
54  VAR2 = VAL2;							\
55  DFP_CLEAR_EXCEPT (FE_ALL_EXCEPT);				\
56  VAR3 = VAR1 OP VAR2;						\
57  checkflags (NUM, EXCEPT);					\
58}
59
60#define CONVERT(NUM,FROM,TO,VALUE,EXCEPT)			\
61void								\
62convert_##NUM (void)						\
63{								\
64  FROM = VALUE;							\
65  DFP_CLEAR_EXCEPT (FE_ALL_EXCEPT);				\
66  TO = FROM;							\
67  checkflags (NUM, EXCEPT);					\
68}
69