gcc/testsuite/gcc.dg/fixed-point/func-vararg.c

   1 /* { dg-do run } */
   2 /* { dg-options "-std=gnu99" } */
   3
   4 /* C99 6.5.2.2 Function calls.
   5    Test passing varargs of fixed-point types.
   6    Based on the test from ../dfp/.  */
   7
   8 #include <stdarg.h>
   9
  10 extern void abort (void);
  11
  12 #define FUNC(TYPE, NAME) \
  13 static TYPE \
  14 vararg_ ## NAME (unsigned arg, ...) \
  15 { \
  16   int i; \
  17   va_list ap; \
  18   TYPE result; \
  19   va_start (ap, arg); \
  20   for (i = 0; i <= arg; i++) \
  21     result = va_arg (ap, TYPE); \
  22   va_end (ap); \
  23   return result; \
  24 }
  25
  26 FUNC (short _Fract, sf)
  27 FUNC (_Fract, f)
  28 FUNC (long _Fract, lf)
  29 FUNC (long long _Fract, llf)
  30 FUNC (unsigned short _Fract, usf)
  31 FUNC (unsigned _Fract, uf)
  32 FUNC (unsigned long _Fract, ulf)
  33 FUNC (unsigned long long _Fract, ullf)
  34 FUNC (_Sat short _Fract, Ssf)
  35 FUNC (_Sat _Fract, Sf)
  36 FUNC (_Sat long _Fract, Slf)
  37 FUNC (_Sat long long _Fract, Sllf)
  38 FUNC (_Sat unsigned short _Fract, Susf)
  39 FUNC (_Sat unsigned _Fract, Suf)
  40 FUNC (_Sat unsigned long _Fract, Sulf)
  41 FUNC (_Sat unsigned long long _Fract, Sullf)
  42 FUNC (short _Accum, sa)
  43 FUNC (_Accum, a)
  44 FUNC (long _Accum, la)
  45 FUNC (long long _Accum, lla)
  46 FUNC (unsigned short _Accum, usa)
  47 FUNC (unsigned _Accum, ua)
  48 FUNC (unsigned long _Accum, ula)
  49 FUNC (unsigned long long _Accum, ulla)
  50 FUNC (_Sat short _Accum, Ssa)
  51 FUNC (_Sat _Accum, Sa)
  52 FUNC (_Sat long _Accum, Sla)
  53 FUNC (_Sat long long _Accum, Slla)
  54 FUNC (_Sat unsigned short _Accum, Susa)
  55 FUNC (_Sat unsigned _Accum, Sua)
  56 FUNC (_Sat unsigned long _Accum, Sula)
  57 FUNC (_Sat unsigned long long _Accum, Sulla)
  58
  59 int main()
  60 {
  61 #define TEST(NAME,PF) \
  62   if (vararg_ ## NAME (0, 0.0 ## PF, 0.1 ## PF, 0.2 ## PF, 0.3 ## PF, \
  63                        0.4 ## PF, 0.5 ## PF) != 0.0 ## PF) \
  64     abort (); \
  65   if (vararg_ ## NAME (1, 0.0 ## PF, 0.1 ## PF, 0.2 ## PF, 0.3 ## PF, \
  66                        0.4 ## PF, 0.5 ## PF) != 0.1 ## PF) \
  67     abort (); \
  68   if (vararg_ ## NAME (2, 0.0 ## PF, 0.1 ## PF, 0.2 ## PF, 0.3 ## PF, \
  69                        0.4 ## PF, 0.5 ## PF) != 0.2 ## PF) \
  70     abort (); \
  71   if (vararg_ ## NAME (3, 0.0 ## PF, 0.1 ## PF, 0.2 ## PF, 0.3 ## PF, \
  72                        0.4 ## PF, 0.5 ## PF) != 0.3 ## PF) \
  73     abort (); \
  74   if (vararg_ ## NAME (4, 0.0 ## PF, 0.1 ## PF, 0.2 ## PF, 0.3 ## PF, \
  75                        0.4 ## PF, 0.5 ## PF) != 0.4 ## PF) \
  76     abort (); \
  77   if (vararg_ ## NAME (5, 0.0 ## PF, 0.1 ## PF, 0.2 ## PF, 0.3 ## PF, \
  78                        0.4 ## PF, 0.5 ## PF) != 0.5 ## PF) \
  79     abort ();
  80
  81   TEST(sf, hr)
  82   TEST(f, r)
  83   TEST(lf, lr)
  84   TEST(llf, llr)
  85   TEST(usf, uhr)
  86   TEST(uf, ur)
  87   TEST(ulf, ulr)
  88   TEST(ullf, ullr)
  89   TEST(Ssf, hr)
  90   TEST(Sf, r)
  91   TEST(Slf, lr)
  92   TEST(Sllf, llr)
  93   TEST(Susf, uhr)
  94   TEST(Suf, ur)
  95   TEST(Sulf, ulr)
  96   TEST(Sullf, ullr)
  97   TEST(sa, hk)
  98   TEST(a, k)
  99   TEST(la, lk)
 100   TEST(lla, llk)
 101   TEST(usa, uhk)
 102   TEST(ua, uk)
 103   TEST(ula, ulk)
 104   TEST(ulla, ullk)
 105   TEST(Ssa, hk)
 106   TEST(Sa, k)
 107   TEST(Sla, lk)
 108   TEST(Slla, llk)
 109   TEST(Susa, uhk)
 110   TEST(Sua, uk)
 111   TEST(Sula, ulk)
 112   TEST(Sulla, ullk)
 113
 114   return 0;
 115 }