Viewing file:  vec-minmax-2.c (1.26 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-require-effective-target powerpc_p9vector_ok } */
/* { dg-options "-O2 -mdejagnu-cpu=power9 -ffast-math" } */
/* { dg-final { scan-assembler-times {\mxsmaxcdp\M} 2 } } */
/* { dg-final { scan-assembler-times {\mxsmincdp\M} 2 } } */
/* This test verifies that float or double vec_min/max can be converted
to scalar comparison when fast-math is set. */
#include <altivec.h>
#ifdef _BIG_ENDIAN
const int PREF_D = 0;
#else
const int PREF_D = 1;
#endif
double vmaxd (double a, double b)
{
vector double va = vec_promote (a, PREF_D);
vector double vb = vec_promote (b, PREF_D);
return vec_extract (vec_max (va, vb), PREF_D);
}
double vmind (double a, double b)
{
vector double va = vec_promote (a, PREF_D);
vector double vb = vec_promote (b, PREF_D);
return vec_extract (vec_min (va, vb), PREF_D);
}
#ifdef _BIG_ENDIAN
const int PREF_F = 0;
#else
const int PREF_F = 3;
#endif
float vmaxf (float a, float b)
{
vector float va = vec_promote (a, PREF_F);
vector float vb = vec_promote (b, PREF_F);
return vec_extract (vec_max (va, vb), PREF_F);
}
float vminf (float a, float b)
{
vector float va = vec_promote (a, PREF_F);
vector float vb = vec_promote (b, PREF_F);
return vec_extract (vec_min (va, vb), PREF_F);
}
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