Viewing file:  ppc-fma-1.c (3.89 KB) -rw-r--r--
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/* { dg-do compile { target { powerpc*-*-* } } } */
/* { dg-skip-if "" { powerpc*-*-darwin* } } */
/* { dg-require-effective-target powerpc_vsx_ok } */
/* { dg-options "-O3 -ftree-vectorize -mdejagnu-cpu=power7 -ffast-math -fno-unroll-loops" } */
/* { dg-final { scan-assembler-times "xvmadd" 4 } } */
/* { dg-final { scan-assembler-times "xsmadd\|fmadd\ " 2 } } */
/* { dg-final { scan-assembler-times "fmadds" 2 } } */
/* { dg-final { scan-assembler-times "xvmsub" 2 } } */
/* { dg-final { scan-assembler-times "xsmsub\|fmsub\ " 1 } } */
/* { dg-final { scan-assembler-times "fmsubs" 1 } } */
/* { dg-final { scan-assembler-times "xvnmadd" 2 } } */
/* { dg-final { scan-assembler-times "xsnmadd\|fnmadd " 1 } } */
/* { dg-final { scan-assembler-times "fnmadds" 1 } } */
/* { dg-final { scan-assembler-times "xvnmsub" 2 } } */
/* { dg-final { scan-assembler-times "xsnmsub\|fnmsub " 1 } } */
/* { dg-final { scan-assembler-times "fnmsubs" 1 } } */
/* All functions should generate an appropriate (a * b) + c instruction
since -mfused-madd is on by default. */
double
builtin_fma (double b, double c, double d)
{
return __builtin_fma (b, c, d); /* xsmadd{a,m}dp */
}
double
builtin_fms (double b, double c, double d)
{
return __builtin_fma (b, c, -d); /* xsmsub{a,b}dp */
}
double
builtin_fnma (double b, double c, double d)
{
return - __builtin_fma (b, c, d); /* xsnmadd{a,b}dp */
}
double
builtin_fnms (double b, double c, double d)
{
return - __builtin_fma (b, c, -d); /* xsnmsub{a,b}dp */
}
float
builtin_fmaf (float b, float c, float d)
{
return __builtin_fmaf (b, c, d); /* fmadds */
}
float
builtin_fmsf (float b, float c, float d)
{
return __builtin_fmaf (b, c, -d); /* fmsubs */
}
float
builtin_fnmaf (float b, float c, float d)
{
return - __builtin_fmaf (b, c, d); /* fnmadds */
}
float
builtin_fnmsf (float b, float c, float d)
{
return - __builtin_fmaf (b, c, -d); /* fnmsubs */
}
double
normal_fma (double b, double c, double d)
{
return (b * c) + d; /* xsmadd{a,m}dp */
}
float
normal_fmaf (float b, float c, float d)
{
return (b * c) + d; /* fmadds */
}
#ifndef SIZE
#define SIZE 1024
#endif
double vda[SIZE] __attribute__((__aligned__(32)));
double vdb[SIZE] __attribute__((__aligned__(32)));
double vdc[SIZE] __attribute__((__aligned__(32)));
double vdd[SIZE] __attribute__((__aligned__(32)));
float vfa[SIZE] __attribute__((__aligned__(32)));
float vfb[SIZE] __attribute__((__aligned__(32)));
float vfc[SIZE] __attribute__((__aligned__(32)));
float vfd[SIZE] __attribute__((__aligned__(32)));
void
vector_fma (void)
{
int i;
for (i = 0; i < SIZE; i++)
vda[i] = __builtin_fma (vdb[i], vdc[i], vdd[i]); /* xvmadd{a,m}dp */
}
void
vector_fms (void)
{
int i;
for (i = 0; i < SIZE; i++)
vda[i] = __builtin_fma (vdb[i], vdc[i], -vdd[i]); /* xvmsub{a,m}dp */
}
void
vector_fnma (void)
{
int i;
for (i = 0; i < SIZE; i++)
vda[i] = - __builtin_fma (vdb[i], vdc[i], vdd[i]); /* xvnmadd{a,m}dp */
}
void
vector_fnms (void)
{
int i;
for (i = 0; i < SIZE; i++)
vda[i] = - __builtin_fma (vdb[i], vdc[i], -vdd[i]); /* xvnmsub{a,m}dp */
}
void
vector_fmaf (void)
{
int i;
for (i = 0; i < SIZE; i++)
vfa[i] = __builtin_fmaf (vfb[i], vfc[i], vfd[i]); /* xvmadd{a,m}sp */
}
void
vector_fmsf (void)
{
int i;
for (i = 0; i < SIZE; i++)
vfa[i] = __builtin_fmaf (vfb[i], vfc[i], -vfd[i]); /* xvmsub{a,m}sp */
}
void
vector_fnmaf (void)
{
int i;
for (i = 0; i < SIZE; i++)
vfa[i] = - __builtin_fmaf (vfb[i], vfc[i], vfd[i]); /* xvnmadd{a,m}sp */
}
void
vector_fnmsf (void)
{
int i;
for (i = 0; i < SIZE; i++)
vfa[i] = - __builtin_fmaf (vfb[i], vfc[i], -vfd[i]); /* xvnmsub{a,m}sp */
}
void
vnormal_fma (void)
{
int i;
for (i = 0; i < SIZE; i++)
vda[i] = (vdb[i] * vdc[i]) + vdd[i]; /* xvmadd{a,m}dp */
}
void
vnormal_fmaf (void)
{
int i;
for (i = 0; i < SIZE; i++)
vfa[i] = (vfb[i] * vfc[i]) + vfd[i]; /* xvmadd{a,m}sp */
}
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