diff options
Diffstat (limited to 'source/8086-SSE/specialize.h')
| -rw-r--r-- | source/8086-SSE/specialize.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/source/8086-SSE/specialize.h b/source/8086-SSE/specialize.h index a9166e1..8ed2e75 100644 --- a/source/8086-SSE/specialize.h +++ b/source/8086-SSE/specialize.h @@ -118,6 +118,27 @@ uint_fast16_t softfloat_propagateNaNF16UI( uint_fast16_t uiA, uint_fast16_t uiB ); /*---------------------------------------------------------------------------- +| Returns true when 16-bit unsigned integer 'uiA' has the bit pattern of a +| 16-bit brain floating-point (BF16) signaling NaN. +| Note: This macro evaluates its argument more than once. +*----------------------------------------------------------------------------*/ +#define softfloat_isSigNaNBF16UI( uiA ) ((((uiA) & 0x7FC0) == 0x7F80) && ((uiA) & 0x003F)) + +/*---------------------------------------------------------------------------- +| Assuming 'uiA' has the bit pattern of a 16-bit BF16 floating-point NaN, converts +| this NaN to the common NaN form, and stores the resulting common NaN at the +| location pointed to by 'zPtr'. If the NaN is a signaling NaN, the invalid +| exception is raised. +*----------------------------------------------------------------------------*/ +void softfloat_bf16UIToCommonNaN( uint_fast16_t uiA, struct commonNaN *zPtr ); + +/*---------------------------------------------------------------------------- +| Converts the common NaN pointed to by 'aPtr' into a 16-bit floating-point +| NaN, and returns the bit pattern of this value as an unsigned integer. +*----------------------------------------------------------------------------*/ +uint_fast16_t softfloat_commonNaNToBF16UI( const struct commonNaN *aPtr ); + +/*---------------------------------------------------------------------------- | The bit pattern for a default generated 32-bit floating-point NaN. *----------------------------------------------------------------------------*/ #define defaultNaNF32UI 0xFFC00000 |