gcc/testsuite/gcc.c-torture/execute/simd-4.c

   1 #include <stdint.h>
   2 typedef int32_t __attribute__((vector_size(8))) v2si;
   3 int64_t s64;
   4
   5 static inline int64_t
   6 __ev_convert_s64 (v2si a)
   7 {
   8   return (int64_t) a;
   9 }
  10
  11 int main()
  12 {
  13   union { int64_t ll; int32_t i[2]; } endianness_test;
  14   endianness_test.ll = 1;
  15   int32_t little_endian = endianness_test.i[0];
  16   s64 = __ev_convert_s64 ((v2si){1,0xffffffff});
  17   if (s64 != (little_endian ? 0xffffffff00000001LL : 0x1ffffffffLL))
  18     abort ();
  19   return 0;
  20 }