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/* PR optimization/6842

   This testcase caused ICE when trying to optimize V8QI subreg of VOIDmode

   CONST_DOUBLE.  */

/* { dg-do compile { target i?86-*-* x86_64-*-* } } */

/* { dg-options "-O2 -mmmx" } */

typedef unsigned char __v8qi __attribute__ ((vector_size (8)));

extern void abort (void);

extern void exit (int);

void foo (void)

{

  unsigned long long a = 0x0102030405060708LL;

  unsigned long long b = 0x1020304050607080LL;

  unsigned long long c;

  c = (unsigned long long) __builtin_ia32_paddusb ((__v8qi) a, (__v8qi) b);

  __builtin_ia32_emms ();

  if (c != 0x1122334455667788LL)

    abort ();

}