Subversion Repositories openrisc

/* Test that the compiler properly optimizes floating point multiply and add

   instructions vector into vfmaddps on FMA4 systems.  */

/* { dg-do compile { target { ! { ia32 } } } } */

/* { dg-options "-O2 -mfma4 -ftree-vectorize -mtune=generic" } */

extern void exit (int);

typedef float     __m128  __attribute__ ((__vector_size__ (16), __may_alias__));

typedef double    __m128d __attribute__ ((__vector_size__ (16), __may_alias__));

#define SIZE 10240

union {

  __m128 f_align;

  __m128d d_align;

  float f[SIZE];

  double d[SIZE];

} a, b, c, d;

void

flt_mul_add (void)

{

  int i;

  for (i = 0; i < SIZE; i++)

    a.f[i] = (b.f[i] * c.f[i]) + d.f[i];

}

void

dbl_mul_add (void)

{

  int i;

  for (i = 0; i < SIZE; i++)

    a.d[i] = (b.d[i] * c.d[i]) + d.d[i];

}

void

flt_mul_sub (void)

{

  int i;

  for (i = 0; i < SIZE; i++)

    a.f[i] = (b.f[i] * c.f[i]) - d.f[i];

}

void

dbl_mul_sub (void)

{

  int i;

  for (i = 0; i < SIZE; i++)

    a.d[i] = (b.d[i] * c.d[i]) - d.d[i];

}

void

flt_neg_mul_add (void)

{

  int i;

  for (i = 0; i < SIZE; i++)

    a.f[i] = (-(b.f[i] * c.f[i])) + d.f[i];

}

void

dbl_neg_mul_add (void)

{

  int i;

  for (i = 0; i < SIZE; i++)

    a.d[i] = (-(b.d[i] * c.d[i])) + d.d[i];

}

int main ()

{

  flt_mul_add ();

  flt_mul_sub ();

  flt_neg_mul_add ();

  dbl_mul_add ();

  dbl_mul_sub ();

  dbl_neg_mul_add ();

  exit (0);

}

/* { dg-final { scan-assembler "vfmaddps" } } */

/* { dg-final { scan-assembler "vfmaddpd" } } */

/* { dg-final { scan-assembler "vfmsubps" } } */

/* { dg-final { scan-assembler "vfmsubpd" } } */

/* { dg-final { scan-assembler "vfnmaddps" } } */

/* { dg-final { scan-assembler "vfnmaddpd" } } */