gcc/testsuite/gcc.target/mips/dpaq_sa_l_w.c

   1 /* { dg-do compile { target { fixed_point } } } */
   2 /* { dg-options "-O2 -mgp32 -mdsp" } */
   3 /* { dg-final { scan-assembler-times "\tdpaq_sa.l.w\t\\\$ac" 3 } } */
   4
   5 NOMIPS16 _Sat long long _Fract
   6 f1 (_Sat long _Fract x, _Sat long _Fract y, _Sat long long _Fract z)
   7 {
   8   return (_Sat long long _Fract) x * y + z;
   9 }
  10
  11 NOMIPS16 _Sat long long _Fract
  12 f2 (_Sat long _Fract x, _Sat long _Fract y, _Sat long long _Fract z)
  13 {
  14   return z + (_Sat long long _Fract) y * x;
  15 }
  16
  17 NOMIPS16 _Sat long long _Fract
  18 f3 (_Sat long _Fract x, _Sat long _Fract y, _Sat long long _Fract z)
  19 {
  20   _Sat long long _Fract t = (_Sat long long _Fract) x * y;
  21   int temp = 5;
  22   if (temp == 5)
  23     z = t + z; /* Need to put z at the end.  GCC does not swap operands to
  24                   match the ssmadd pattern, because types are saturating.  */
  25   return z;
  26 }
  27
  28 long long _Fract
  29 f4 (long _Fract x, long _Fract y, long long _Fract z)
  30 {
  31   return (long long _Fract) x * y + z;
  32 }
  33
  34 long long _Fract
  35 f5 (long _Fract x, long _Fract y, long long _Fract z)
  36 {
  37   return z + (long long _Fract) y * x;
  38 }
  39
  40 long long _Fract
  41 f6 (long _Fract x, long _Fract y, long long _Fract z)
  42 {
  43   long long _Fract t = (long long _Fract) x * y;
  44   int temp = 5;
  45   if (temp == 5)
  46     z = t + z; /* Need to put z at the end.  GCC does not swap operands to
  47                   match the ssmadd pattern, because types are saturating.  */
  48   return z;
  49 }