gcc/testsuite/gcc.dg/fixed-point/call-by-value.c

   1 /* { dg-do run } */
   2 /* { dg-options "-std=gnu99" } */
   3
   4 /* C99 6.9.1(9) Function definitions; parameter has automatic storage.
   5
   6    Test that actual parameters are passed by value and that modifications
   7    made within functions are lost on function return.
   8
   9    This test is copied from gcc.dg/dfp/ and changed for fixed-point types.  */
  10
  11 extern void abort (void);
  12
  13 #define FOO_FUN(NAME,TYPE,VALUE) \
  14 int foo ## NAME (TYPE z) \
  15 { \
  16   z = z + VALUE; \
  17 }
  18
  19 #define FOO_TEST(NAME,TYPE,VALUE) \
  20   { \
  21     TYPE NAME = VALUE; \
  22     foo ## NAME (NAME); \
  23     if (NAME != VALUE) \
  24       abort (); \
  25   }
  26
  27 FOO_FUN (sf, short _Fract, 0.2hr)
  28 FOO_FUN (f, _Fract, 0.2r)
  29 FOO_FUN (lf, long _Fract, 0.2lr)
  30 FOO_FUN (llf, long long _Fract, 0.2llr)
  31 FOO_FUN (usf, unsigned short _Fract, 0.2uhr)
  32 FOO_FUN (uf, unsigned _Fract, 0.2ur)
  33 FOO_FUN (ulf, unsigned long _Fract, 0.2ulr)
  34 FOO_FUN (ullf, unsigned long long _Fract, 0.2ullr)
  35 FOO_FUN (Ssf, _Sat short _Fract, 0.2hr)
  36 FOO_FUN (Sf, _Sat _Fract, 0.2r)
  37 FOO_FUN (Slf, _Sat long _Fract, 0.2lr)
  38 FOO_FUN (Sllf, _Sat long long _Fract, 0.2llr)
  39 FOO_FUN (Susf, _Sat unsigned short _Fract, 0.2uhr)
  40 FOO_FUN (Suf, _Sat unsigned _Fract, 0.2ur)
  41 FOO_FUN (Sulf, _Sat unsigned long _Fract, 0.2ulr)
  42 FOO_FUN (Sullf, _Sat unsigned long long _Fract, 0.2ullr)
  43 FOO_FUN (sa, short _Accum, 0.2hk)
  44 FOO_FUN (a, _Accum, 0.2k)
  45 FOO_FUN (la, long _Accum, 0.2lk)
  46 FOO_FUN (lla, long long _Accum, 0.2llk)
  47 FOO_FUN (usa, unsigned short _Accum, 0.2uhk)
  48 FOO_FUN (ua, unsigned _Accum, 0.2uk)
  49 FOO_FUN (ula, unsigned long _Accum, 0.2ulk)
  50 FOO_FUN (ulla, unsigned long long _Accum, 0.2ullk)
  51 FOO_FUN (Ssa, _Sat short _Accum, 0.2hk)
  52 FOO_FUN (Sa, _Sat _Accum, 0.2k)
  53 FOO_FUN (Sla, _Sat long _Accum, 0.2lk)
  54 FOO_FUN (Slla, _Sat long long _Accum, 0.2llk)
  55 FOO_FUN (Susa, _Sat unsigned short _Accum, 0.2uhk)
  56 FOO_FUN (Sua, _Sat unsigned _Accum, 0.2uk)
  57 FOO_FUN (Sula, _Sat unsigned long _Accum, 0.2ulk)
  58 FOO_FUN (Sulla, _Sat unsigned long long _Accum, 0.2ullk)
  59
  60 int
  61 main ()
  62 {
  63   FOO_TEST (sf, short _Fract, 0.2hr)
  64   FOO_TEST (f, _Fract, 0.2r)
  65   FOO_TEST (lf, long _Fract, 0.2lr)
  66   FOO_TEST (llf, long long _Fract, 0.2llr)
  67   FOO_TEST (usf, unsigned short _Fract, 0.2uhr)
  68   FOO_TEST (uf, unsigned _Fract, 0.2ur)
  69   FOO_TEST (ulf, unsigned long _Fract, 0.2ulr)
  70   FOO_TEST (ullf, unsigned long long _Fract, 0.2ullr)
  71   FOO_TEST (Ssf, _Sat short _Fract, 0.2hr)
  72   FOO_TEST (Sf, _Sat _Fract, 0.2r)
  73   FOO_TEST (Slf, _Sat long _Fract, 0.2lr)
  74   FOO_TEST (Sllf, _Sat long long _Fract, 0.2llr)
  75   FOO_TEST (Susf, _Sat unsigned short _Fract, 0.2uhr)
  76   FOO_TEST (Suf, _Sat unsigned _Fract, 0.2ur)
  77   FOO_TEST (Sulf, _Sat unsigned long _Fract, 0.2ulr)
  78   FOO_TEST (Sullf, _Sat unsigned long long _Fract, 0.2ullr)
  79   FOO_TEST (sa, short _Accum, 0.2hk)
  80   FOO_TEST (a, _Accum, 0.2k)
  81   FOO_TEST (la, long _Accum, 0.2lk)
  82   FOO_TEST (lla, long long _Accum, 0.2llk)
  83   FOO_TEST (usa, unsigned short _Accum, 0.2uhk)
  84   FOO_TEST (ua, unsigned _Accum, 0.2uk)
  85   FOO_TEST (ula, unsigned long _Accum, 0.2ulk)
  86   FOO_TEST (ulla, unsigned long long _Accum, 0.2ullk)
  87   FOO_TEST (Ssa, _Sat short _Accum, 0.2hk)
  88   FOO_TEST (Sa, _Sat _Accum, 0.2k)
  89   FOO_TEST (Sla, _Sat long _Accum, 0.2lk)
  90   FOO_TEST (Slla, _Sat long long _Accum, 0.2llk)
  91   FOO_TEST (Susa, _Sat unsigned short _Accum, 0.2uhk)
  92   FOO_TEST (Sua, _Sat unsigned _Accum, 0.2uk)
  93   FOO_TEST (Sula, _Sat unsigned long _Accum, 0.2ulk)
  94   FOO_TEST (Sulla, _Sat unsigned long long _Accum, 0.2ullk)
  95
  96   return 0;
  97 }