gcc/testsuite/gcc.target/aarch64/adds1.c

/* { dg-do run } */
/* { dg-options "-O2 --save-temps -fno-inline" } */

extern void abort (void);

int
adds_si_test1 (int a, int b, int c)
{
  int d = a + b;

  /* { dg-final { scan-assembler "adds\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+" } } */
  if (d == 0)
    return a + c;
  else
    return d;
}

int
adds_si_test2 (int a, int b, int c)
{
  int d = a + 0xff;

  /* { dg-final { scan-assembler "adds\tw\[0-9\]+, w\[0-9\]+, 255" } } */
  if (d == 0)
    return a + c;
  else
    return d;
}

int
adds_si_test3 (int a, int b, int c)
{
  int d = a + (b << 3);

  /* { dg-final { scan-assembler "adds\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+, lsl 3" } } */
  if (d == 0)
    return a + c;
  else
    return d;
}

typedef long long s64;

s64
adds_di_test1 (s64 a, s64 b, s64 c)
{
  s64 d = a + b;

  /* { dg-final { scan-assembler "adds\tx\[0-9\]+, x\[0-9\]+, x\[0-9\]+" } } */
  if (d == 0)
    return a + c;
  else
    return d;
}

s64
adds_di_test2 (s64 a, s64 b, s64 c)
{
  s64 d = a + 0xff;

  /* { dg-final { scan-assembler "adds\tx\[0-9\]+, x\[0-9\]+, 255" } } */
  if (d == 0)
    return a + c;
  else
    return d;
}

s64
adds_di_test3 (s64 a, s64 b, s64 c)
{
  s64 d = a + (b << 3);

  /* { dg-final { scan-assembler "adds\tx\[0-9\]+, x\[0-9\]+, x\[0-9\]+, lsl 3" } } */
  if (d == 0)
    return a + c;
  else
    return d;
}

int main ()
{
  int x;
  s64 y;

  x = adds_si_test1 (29, 4, 5);
  if (x != (29 + 4))
    abort ();

  x = adds_si_test1 (5, 2, -5);
  if (x != 7)
    abort ();

  x = adds_si_test2 (29, 4, 5);
  if (x != (29 + 0xff))
    abort ();

  x = adds_si_test2 (-255, 2, 20);
  if (x != -235)
    abort ();

  x = adds_si_test3 (35, 4, 5);
  if (x != (35 + (4 << 3)))
    abort ();

  x = adds_si_test3 (-(2 << 3), 2, 20);
  if (x != (20 - (2 << 3)))
    abort ();

  y = adds_di_test1 (0x130000029ll,
		     0x320000004ll,
		     0x505050505ll);

  if (y != (0x130000029ll + 0x320000004ll))
    abort ();

  y = adds_di_test1 (0x5000500050005ll,
		     -0x5000500050005ll,
		     0x0000000002020ll);
  if (y != (0x5000500050005ll + 0x0000000002020ll))
    abort ();

  y = adds_di_test2 (0x130000029ll,
		     0x320000004ll,
		     0x505050505ll);
  if (y != (0x130000029ll + 0xff))
    abort ();

  y = adds_di_test2 (-0xff,
		     0x320000004ll,
		     0x505050505ll);
  if (y != (0x505050505ll - 0xff))
    abort ();

  y = adds_di_test3 (0x130000029ll,
		     0x064000008ll,
		     0x505050505ll);
  if (y != (0x130000029ll + (0x064000008ll << 3)))
    abort ();

  y = adds_di_test3 (0x130002900ll,
		     -(0x130002900ll >> 3),
		     0x505050505ll);
  if (y != (0x130002900ll + 0x505050505ll))
    abort ();

  return 0;
}