[thirdparty/gcc.git] / gcc / testsuite / gcc.dg / pr83424.c

/* PR rtl-optimization/83424 */
/* { dg-do run { target int128 } } */
/* { dg-options "-O -fno-tree-ccp -fno-tree-coalesce-vars" } */

typedef unsigned char u8;
typedef unsigned int u32;
typedef unsigned __int128 u128;

u32 a, c;
u8 b;

static u128 __attribute__ ((noinline, noclone))
foo (u128 p)
{
  u8 x = ~b;
  p &= c;
  x *= -p;
  x &= a == 0;
  x >>= 1;
  return p + x;
}

int
main (void)
{
  u128 x = foo (0);
  if (x != 0)
    __builtin_abort ();
  return 0;
}
Commit	Line	Data
aa8ec7fb SB	1	/* PR rtl-optimization/83424 */
	2	/* { dg-do run { target int128 } } */
	3	/* { dg-options "-O -fno-tree-ccp -fno-tree-coalesce-vars" } */
	4
	5	typedef unsigned char u8;
	6	typedef unsigned int u32;
	7	typedef unsigned __int128 u128;
	8
	9	u32 a, c;
	10	u8 b;
	11
	12	static u128 __attribute__ ((noinline, noclone))
	13	foo (u128 p)
	14	{
	15	u8 x = ~b;
	16	p &= c;
	17	x *= -p;
	18	x &= a == 0;
	19	x >>= 1;
	20	return p + x;
	21	}
	22
	23	int
	24	main (void)
	25	{
	26	u128 x = foo (0);
	27	if (x != 0)
	28	__builtin_abort ();
	29	return 0;
	30	}