Subversion Repositories openrisc

/* Test that the compiler properly optimizes floating point multiply

   and add instructions into vfmaddss, vfmsubss, vfnmaddss,

   vfnmsubss on FMA4 systems.  */

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

/* { dg-options "-O2 -mfma4" } */

extern void exit (int);

float

flt_mul_add (float a, float b, float c)

{

  return (a * b) + c;

}

double

dbl_mul_add (double a, double b, double c)

{

  return (a * b) + c;

}

float

flt_mul_sub (float a, float b, float c)

{

  return (a * b) - c;

}

double

dbl_mul_sub (double a, double b, double c)

{

  return (a * b) - c;

}

float

flt_neg_mul_add (float a, float b, float c)

{

  return (-(a * b)) + c;

}

double

dbl_neg_mul_add (double a, double b, double c)

{

  return (-(a * b)) + c;

}

float

flt_neg_mul_sub (float a, float b, float c)

{

  return (-(a * b)) - c;

}

double

dbl_neg_mul_sub (double a, double b, double c)

{

  return (-(a * b)) - c;

}

float  f[10] = { 2, 3, 4 };

double d[10] = { 2, 3, 4 };

int main ()

{

  f[3] = flt_mul_add (f[0], f[1], f[2]);

  f[4] = flt_mul_sub (f[0], f[1], f[2]);

  f[5] = flt_neg_mul_add (f[0], f[1], f[2]);

  f[6] = flt_neg_mul_sub (f[0], f[1], f[2]);

  d[3] = dbl_mul_add (d[0], d[1], d[2]);

  d[4] = dbl_mul_sub (d[0], d[1], d[2]);

  d[5] = dbl_neg_mul_add (d[0], d[1], d[2]);

  d[6] = dbl_neg_mul_sub (d[0], d[1], d[2]);

  exit (0);

}

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

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

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

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

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

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

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

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