gcc/testsuite/gcc.dg/torture/pr116037.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target int128 } */
   3 /* { dg-additional-options "-Wno-psabi" } */
   4
   5 typedef __attribute__((__vector_size__ (64))) unsigned char VC;
   6 typedef __attribute__((__vector_size__ (64))) unsigned short VS;
   7 typedef __attribute__((__vector_size__ (64))) unsigned int VI;
   8 typedef __attribute__((__vector_size__ (64))) unsigned long long VL;
   9 typedef __attribute__((__vector_size__ (64))) unsigned __int128 VV;
  10
  11 VC vc;
  12 VS vs;
  13 VI vi;
  14 VL vl;
  15
  16 VV
  17 foo (unsigned long long x, VV vv)
  18 {
  19 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
  20   x &= -((VC) vv)[0];
  21 #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
  22   x &= -((VC) vv)[sizeof (__int128) - 1];
  23 #else
  24   x &= -(unsigned char) (vv[0]);
  25 #endif
  26   vi *= (VI) (VS){ -vs[0], vc[0], vs[1], vi[7], vs[7], vl[7], x, vi[5] };
  27   return x + vv;
  28 }
  29
  30 int
  31 main ()
  32 {
  33   VV v = foo (0x01aabbccdd, (VV) { -0xff });
  34   if (v[0] != 0x01aabbccdd - 0xff)
  35     __builtin_abort ();
  36   if (v[1] != 0x01aabbccdd)
  37     __builtin_abort ();
  38   if (v[2] != 0x01aabbccdd)
  39     __builtin_abort ();
  40   if (v[3] != 0x01aabbccdd)
  41     __builtin_abort ();
  42 }