gcc/testsuite/gcc.dg/pr69896.c

   1 /* PR rtl-optimization/69896 */
   2 /* { dg-do run { target int128 } } */
   3 /* { dg-options "-w -O -fcaller-saves -fno-dse -frename-registers -fno-tree-ter" } */
   4 /* { dg-additional-options "-mno-sse" { target x86_64-*-* i?86-*-* } } */
   5
   6 typedef unsigned short A;
   7 typedef unsigned short B __attribute__ ((vector_size (32)));
   8 typedef unsigned int C;
   9 typedef unsigned int D __attribute__ ((vector_size (32)));
  10 typedef unsigned long long E;
  11 typedef unsigned long long F __attribute__ ((vector_size (32)));
  12 typedef unsigned __int128 G;
  13 typedef unsigned __int128 H __attribute__ ((vector_size (32)));
  14
  15 G __attribute__ ((noinline, noclone))
  16 foo (A a, C b, E c, G d, A e, C f, E g, G h, B i, D j, F k, H l, B m, D n, F o, H p)
  17 {
  18   j /= (D) { -c, -c, ~h, 1, ~l[0], -m[0], p[0], 1} | 1;
  19   l %= (H) o | 1;
  20   l[1] = (l[1] << (e & 127)) | (l[1] >> (e & 127));
  21   return j[6] + l[0] + l[1] + n[7] + o[0] + o[2] + o[3] + p[0] + p[1];
  22 }
  23
  24 int
  25 main ()
  26 {
  27   if (__CHAR_BIT__ != 8 || sizeof (A) != 2 || sizeof (C) != 4 || sizeof (E) != 8 || sizeof (G) != 16)
  28     return 0;
  29   G x = foo (0, 1, 2, 3, 4, 5, 6, 7, (B) {}, (D) {}, (F) {}, (H) {}, (B) {}, (D) {}, (F) {}, (H) { 0xffffffffffffffffULL, 0x74a3e4aULL });
  30   if ((E) x != 0x00000000074a3e49ULL || (E) (x >> 64) != 1)
  31     __builtin_abort ();
  32   return 0;
  33 }