| Message ID | 20200722091641.8834-53-frank.chang@sifive.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | target/riscv: support vector extension v0.9 | expand |
frank.chang@sifive.com writes: > From: Kito Cheng <kito.cheng@sifive.com> > > Signed-off-by: Kito Cheng <kito.cheng@sifive.com> > Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com> > Signed-off-by: Frank Chang <frank.chang@sifive.com> > --- > fpu/softfloat.c | 28 ++++++++++++++++++++++++++++ > include/fpu/softfloat.h | 41 +++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 69 insertions(+) > > diff --git a/fpu/softfloat.c b/fpu/softfloat.c > index 79be4f5840..9c6640862e 100644 > --- a/fpu/softfloat.c > +++ b/fpu/softfloat.c > @@ -401,6 +401,34 @@ float64_gen2(float64 xa, float64 xb, float_status *s, > return soft(ua.s, ub.s, s); > } > > +/*---------------------------------------------------------------------------- > +| Returns the fraction bits of the half-precision floating-point value `a'. > +*----------------------------------------------------------------------------*/ > + > +static inline uint32_t extractFloat16Frac(float16 a) > +{ > + return float16_val(a) & 0x3ff; > +} > + > +/*---------------------------------------------------------------------------- > +| Returns the exponent bits of the half-precision floating-point value `a'. > +*----------------------------------------------------------------------------*/ > + > +static inline int extractFloat16Exp(float16 a) > +{ > + return (float16_val(a) >> 10) & 0x1f; > +} > + > +/*---------------------------------------------------------------------------- > +| Returns the sign bit of the half-precision floating-point value `a'. > +*----------------------------------------------------------------------------*/ > + > +static inline bool extractFloat16Sign(float16 a) > +{ > + return float16_val(a) >> 15; > +} > + > + There functions are no longer needed as float16_compare uses the decompose code to get what it wants. > /*---------------------------------------------------------------------------- > | Returns the fraction bits of the single-precision floating-point value `a'. > *----------------------------------------------------------------------------*/ > diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h > index ff4e2605b1..267519cd65 100644 > --- a/include/fpu/softfloat.h > +++ b/include/fpu/softfloat.h > @@ -285,6 +285,47 @@ static inline float16 float16_set_sign(float16 a, int sign) > return make_float16((float16_val(a) & 0x7fff) | (sign << 15)); > } > > +static inline bool float16_eq(float16 a, float16 b, float_status *s) > +{ > + return float16_compare(a, b, s) == float_relation_equal; > +} > + > +static inline bool float16_le(float16 a, float16 b, float_status *s) > +{ > + return float16_compare(a, b, s) <= float_relation_equal; > +} > + > +static inline bool float16_lt(float16 a, float16 b, float_status *s) > +{ > + return float16_compare(a, b, s) < float_relation_equal; > +} > + > +static inline bool float16_unordered(float16 a, float16 b, float_status *s) > +{ > + return float16_compare(a, b, s) == float_relation_unordered; > +} > + > +static inline bool float16_eq_quiet(float16 a, float16 b, float_status *s) > +{ > + return float16_compare_quiet(a, b, s) == float_relation_equal; > +} > + > +static inline bool float16_le_quiet(float16 a, float16 b, float_status *s) > +{ > + return float16_compare_quiet(a, b, s) <= float_relation_equal; > +} > + > +static inline bool float16_lt_quiet(float16 a, float16 b, float_status *s) > +{ > + return float16_compare_quiet(a, b, s) < float_relation_equal; > +} > + > +static inline bool float16_unordered_quiet(float16 a, float16 b, > + float_status *s) > +{ > + return float16_compare_quiet(a, b, s) == float_relation_unordered; > +} > + > #define float16_zero make_float16(0) > #define float16_half make_float16(0x3800) > #define float16_one make_float16(0x3c00) The rest looks fine. With the extra functions removed: Acked-by: Alex Bennée <alex.bennee@linaro.org>
diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 79be4f5840..9c6640862e 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -401,6 +401,34 @@ float64_gen2(float64 xa, float64 xb, float_status *s, return soft(ua.s, ub.s, s); } +/*---------------------------------------------------------------------------- +| Returns the fraction bits of the half-precision floating-point value `a'. +*----------------------------------------------------------------------------*/ + +static inline uint32_t extractFloat16Frac(float16 a) +{ + return float16_val(a) & 0x3ff; +} + +/*---------------------------------------------------------------------------- +| Returns the exponent bits of the half-precision floating-point value `a'. +*----------------------------------------------------------------------------*/ + +static inline int extractFloat16Exp(float16 a) +{ + return (float16_val(a) >> 10) & 0x1f; +} + +/*---------------------------------------------------------------------------- +| Returns the sign bit of the half-precision floating-point value `a'. +*----------------------------------------------------------------------------*/ + +static inline bool extractFloat16Sign(float16 a) +{ + return float16_val(a) >> 15; +} + + /*---------------------------------------------------------------------------- | Returns the fraction bits of the single-precision floating-point value `a'. *----------------------------------------------------------------------------*/ diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h index ff4e2605b1..267519cd65 100644 --- a/include/fpu/softfloat.h +++ b/include/fpu/softfloat.h @@ -285,6 +285,47 @@ static inline float16 float16_set_sign(float16 a, int sign) return make_float16((float16_val(a) & 0x7fff) | (sign << 15)); } +static inline bool float16_eq(float16 a, float16 b, float_status *s) +{ + return float16_compare(a, b, s) == float_relation_equal; +} + +static inline bool float16_le(float16 a, float16 b, float_status *s) +{ + return float16_compare(a, b, s) <= float_relation_equal; +} + +static inline bool float16_lt(float16 a, float16 b, float_status *s) +{ + return float16_compare(a, b, s) < float_relation_equal; +} + +static inline bool float16_unordered(float16 a, float16 b, float_status *s) +{ + return float16_compare(a, b, s) == float_relation_unordered; +} + +static inline bool float16_eq_quiet(float16 a, float16 b, float_status *s) +{ + return float16_compare_quiet(a, b, s) == float_relation_equal; +} + +static inline bool float16_le_quiet(float16 a, float16 b, float_status *s) +{ + return float16_compare_quiet(a, b, s) <= float_relation_equal; +} + +static inline bool float16_lt_quiet(float16 a, float16 b, float_status *s) +{ + return float16_compare_quiet(a, b, s) < float_relation_equal; +} + +static inline bool float16_unordered_quiet(float16 a, float16 b, + float_status *s) +{ + return float16_compare_quiet(a, b, s) == float_relation_unordered; +} + #define float16_zero make_float16(0) #define float16_half make_float16(0x3800) #define float16_one make_float16(0x3c00)