message: Use commonly supported instruction mnemonic.
diff: #define CV_INLINE_ROUND_DBL(value) \
  int out; \
  double temp; \
  - __asm__( "fctiw %[temp],%[in]\n\tmffprwz %[out],%[temp]\n\t" : [out] "=r" (out), [temp] "=d" (temp) : [in] "d" ((double)(value)) : ); \
  + __asm__( "fctiw %[temp],%[in]\n\tmfvsrwz %[out],%[temp]\n\t" : [out] "=r" (out), [temp] "=d" (temp) : [in] "d" ((double)(value)) : ); \
  return out;
  // FP32 also works with FP64 routine above
  