gcc/testsuite/gcc.target/i386/pr43067.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -mxop -ftree-vectorize -fschedule-insns" } */
   3
   4 union {
   5   int i32[10240];
   6   long long i64[10240];
   7 } a, b, c;
   8
   9 void imul32_to_64 (void)
  10 {
  11   int i;
  12
  13   for (i = 0; i < 10240; i++)
  14     a.i64[i] = (long long) b.i32[i] * c.i32[i];
  15 }