[thirdparty/gcc.git] / gcc / testsuite / gcc.dg / Wunused-var-3.c

/* PR c/52577 */
/* { dg-do compile } */
/* { dg-options "-Wunused" } */

typedef int V __attribute__((vector_size (sizeof (int) * 4)));

void
f1 (V *p)
{
  V mask = { 1, 2, 3, 0 };
  *p = __builtin_shuffle (*p, mask);
}

void
f2 (V *p, V *q)
{
  V mask = { 1, 2, 3, 0 };
  *p = __builtin_shuffle (*p, *q, mask);
}

void
f3 (V *p, V *mask)
{
  V a = { 1, 2, 3, 0 };
  *p = __builtin_shuffle (a, *mask);
}

void
f4 (V *p, V *mask)
{
  V a = { 1, 2, 3, 0 };
  V b = { 2, 3, 4, 1 };
  *p = __builtin_shuffle (a, b, *mask);
}
Commit	Line	Data
9243c51d JJ	1	/* PR c/52577 */
	2	/* { dg-do compile } */
	3	/* { dg-options "-Wunused" } */
	4
	5	typedef int V __attribute__((vector_size (sizeof (int) * 4)));
	6
	7	void
	8	f1 (V *p)
	9	{
	10	V mask = { 1, 2, 3, 0 };
	11	p = __builtin_shuffle (p, mask);
	12	}
	13
	14	void
	15	f2 (V p, V q)
	16	{
	17	V mask = { 1, 2, 3, 0 };
	18	p = __builtin_shuffle (p, *q, mask);
	19	}
	20
	21	void
	22	f3 (V p, V mask)
	23	{
	24	V a = { 1, 2, 3, 0 };
	25	p = __builtin_shuffle (a, mask);
	26	}
	27
	28	void
	29	f4 (V p, V mask)
	30	{
	31	V a = { 1, 2, 3, 0 };
	32	V b = { 2, 3, 4, 1 };
	33	p = __builtin_shuffle (a, b, mask);
	34	}