gcc/testsuite/gcc.target/aarch64/vect-movi.c

/* { dg-do run } */
/* { dg-options "-O3 --save-temps -fno-inline" } */

#pragma GCC target "+nosve"

extern void abort (void);

#define N 16

static void
movi_msl8 (int *__restrict a)
{
  int i;

  /* { dg-final { scan-assembler "movi\\tv\[0-9\]+\.\[42\]s, 0xab, msl 8" } } */
  for (i = 0; i < N; i++)
    a[i] = 0xabff;
}

static void
movi_msl16 (int *__restrict a)
{
  int i;

  /* { dg-final { scan-assembler "movi\\tv\[0-9\]+\.\[42\]s, 0xab, msl 16" } } */
  for (i = 0; i < N; i++)
    a[i] = 0xabffff;
}

static void
mvni_msl8 (int *__restrict a)
{
  int i;

  /* { dg-final { scan-assembler "mvni\\tv\[0-9\]+\.\[42\]s, 0xab, msl 8" } } */
  for (i = 0; i < N; i++)
    a[i] = 0xffff5400;
}

static void
mvni_msl16 (int *__restrict a)
{
  int i;

  /* { dg-final { scan-assembler "mvni\\tv\[0-9\]+\.\[42\]s, 0xab, msl 16" } } */
  for (i = 0; i < N; i++)
    a[i] = 0xff540000;
}

static void
movi_float_lsl24 (float * a)
{
  int i;

  /* { dg-final { scan-assembler {\tmovi\tv[0-9]+\.[42]s, 0x43, lsl 24\n} } } */
  for (i = 0; i < N; i++)
    a[i] = 128.0;
}

int
main (void)
{
  int a[N] = { 0 };
  float b[N] = { 0 };
  int i;

#define CHECK_ARRAY(a, val)	\
  for (i = 0; i < N; i++)	\
    if (a[i] != val)		\
      abort ();

  movi_msl8 (a);
  CHECK_ARRAY (a, 0xabff);

  movi_msl16 (a);
  CHECK_ARRAY (a, 0xabffff);

  mvni_msl8 (a);
  CHECK_ARRAY (a, 0xffff5400);

  mvni_msl16 (a);
  CHECK_ARRAY (a, 0xff540000);

  movi_float_lsl24 (b);
  CHECK_ARRAY (b, 128.0);

  return 0;
}