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move denormals_are_zeros to fpu_specialize.h

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Stanislav Shwartsman 2008-04-04 20:02:36 +00:00
parent 858842edec
commit bb1195f1e6
1 changed files with 20 additions and 0 deletions
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20
bochs/fpu/softfloat-specialize.h
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@ -122,6 +122,16 @@ BX_CPP_INLINE int float32_is_signaling_nan(float32 a)
return (((a>>22) & 0x1FF) == 0x1FE) && (a & 0x003FFFFF);
}
/*----------------------------------------------------------------------------
| Convert float32 denormals to zero
*----------------------------------------------------------------------------*/
BX_CPP_INLINE float32 float32_denormal_to_zero(float32 op)
{
if (float32_class(op) == float_denormal) op &= ((Bit32u)(1) << 31);
return op;
}
/*----------------------------------------------------------------------------
| Returns the result of converting the single-precision floating-point NaN
| `a' to the canonical NaN format. If `a' is a signaling NaN, the invalid
@ -241,6 +251,16 @@ BX_CPP_INLINE int float64_is_signaling_nan(float64 a)
return (((a>>51) & 0xFFF) == 0xFFE) && (a & BX_CONST64(0x0007FFFFFFFFFFFF));
}
/*----------------------------------------------------------------------------
| Convert float64 denormals to zero
*----------------------------------------------------------------------------*/
BX_CPP_INLINE float64 float64_denormal_to_zero(float64 op)
{
if (float64_class(op) == float_denormal) op &= ((Bit64u)(1) << 63);
return op;
}
/*----------------------------------------------------------------------------
| Returns the result of converting the double-precision floating-point NaN
| `a' to the canonical NaN format. If `a' is a signaling NaN, the invalid