gcc/testsuite/gcc.target/i386/pr78671.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target int128 } */
   3 /* { dg-options "-march=skylake-avx512 -Og" } */
   4
   5 typedef unsigned __int128 u128;
   6 typedef unsigned __int128 v64u128 __attribute__ ((vector_size (64)));
   7
   8 v64u128
   9 foo (u128 u128_3, v64u128 v64u128_3, v64u128 v64u128_2, v64u128 v64u128_1,
  10      v64u128 v64u128_0)
  11 {
  12   v64u128_0 <<= 1;
  13   v64u128_2 >>= 0 != v64u128_2;
  14   v64u128_3[v64u128_3[0]] &= 1;
  15   v64u128_3 = v64u128_3 & 1;
  16   v64u128_2 = v64u128_2 >> 1 | v64u128_2 << v64u128_1[0];
  17   v64u128_0[0] >>= 127;
  18   return u128_3 + v64u128_0 + v64u128_2 + v64u128_3;
  19 }