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target-ppc: Add xscvdphp, xscvhpdp

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xscvdphp: VSX Scalar round & Convert Double-Precision format to
          Half-Precision format
xscvhpdp: VSX Scalar Convert Half-Precision format to
          Double-Precision format

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Bharata B Rao 2017-01-06 11:44:49 +05:30 • committed by David Gibson
parent ffc67420f9
commit f566c0474a
6 changed files with 62 additions and 0 deletions
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20
include/fpu/softfloat.h
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@ -356,6 +356,26 @@ static inline int float16_is_any_nan(float16 a)
return ((float16_val(a) & ~0x8000) > 0x7c00);
}
static inline int float16_is_neg(float16 a)
{
return float16_val(a) >> 15;
}
static inline int float16_is_infinity(float16 a)
{
return (float16_val(a) & 0x7fff) == 0x7c00;
}
static inline int float16_is_zero(float16 a)
{
return (float16_val(a) & 0x7fff) == 0;
}
static inline int float16_is_zero_or_denormal(float16 a)
{
return (float16_val(a) & 0x7c00) == 0;
}
/*----------------------------------------------------------------------------
| The pattern for a default generated half-precision NaN.
*----------------------------------------------------------------------------*/