diff options
Diffstat (limited to 'fpu/softfloat.h')
-rw-r--r-- | fpu/softfloat.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fpu/softfloat.h b/fpu/softfloat.h index 618ddee569..07c2929613 100644 --- a/fpu/softfloat.h +++ b/fpu/softfloat.h @@ -212,6 +212,18 @@ void set_floatx80_rounding_precision(int val STATUS_PARAM); void float_raise( int8 flags STATUS_PARAM); /*---------------------------------------------------------------------------- +| Options to indicate which negations to perform in float*_muladd() +| Using these differs from negating an input or output before calling +| the muladd function in that this means that a NaN doesn't have its +| sign bit inverted before it is propagated. +*----------------------------------------------------------------------------*/ +enum { + float_muladd_negate_c = 1, + float_muladd_negate_product = 2, + float_muladd_negate_result = 3, +}; + +/*---------------------------------------------------------------------------- | Software IEC/IEEE integer-to-floating-point conversion routines. *----------------------------------------------------------------------------*/ float32 int32_to_float32( int32 STATUS_PARAM ); @@ -269,6 +281,7 @@ float32 float32_sub( float32, float32 STATUS_PARAM ); float32 float32_mul( float32, float32 STATUS_PARAM ); float32 float32_div( float32, float32 STATUS_PARAM ); float32 float32_rem( float32, float32 STATUS_PARAM ); +float32 float32_muladd(float32, float32, float32, int STATUS_PARAM); float32 float32_sqrt( float32 STATUS_PARAM ); float32 float32_exp2( float32 STATUS_PARAM ); float32 float32_log2( float32 STATUS_PARAM ); @@ -375,6 +388,7 @@ float64 float64_sub( float64, float64 STATUS_PARAM ); float64 float64_mul( float64, float64 STATUS_PARAM ); float64 float64_div( float64, float64 STATUS_PARAM ); float64 float64_rem( float64, float64 STATUS_PARAM ); +float64 float64_muladd(float64, float64, float64, int STATUS_PARAM); float64 float64_sqrt( float64 STATUS_PARAM ); float64 float64_log2( float64 STATUS_PARAM ); int float64_eq( float64, float64 STATUS_PARAM ); |