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| author | Richard Henderson <richard.henderson@linaro.org> | 2020-11-21 09:33:36 -0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-06-03 14:04:02 -0700 |
| commit | 8da5f1dbb0d7b97686d54584c70b55cb05f89007 (patch) | |
| tree | 2c3dbd392b0c18e9397a145e4832a46317146c18 /include/fpu | |
| parent | d6e1f0cd59a59a27a2b109600653e57917cc9594 (diff) | |
| download | qemu-8da5f1dbb0d7b97686d54584c70b55cb05f89007.zip qemu-8da5f1dbb0d7b97686d54584c70b55cb05f89007.tar.gz qemu-8da5f1dbb0d7b97686d54584c70b55cb05f89007.tar.bz2 | |
softfloat: Introduce Floatx80RoundPrec
Use an enumeration instead of raw 32/64/80 values.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/fpu')
| -rw-r--r-- | include/fpu/softfloat-helpers.h | 5 | ||||
| -rw-r--r-- | include/fpu/softfloat-types.h | 10 | ||||
| -rw-r--r-- | include/fpu/softfloat.h | 4 |
3 files changed, 14 insertions, 5 deletions
diff --git a/include/fpu/softfloat-helpers.h b/include/fpu/softfloat-helpers.h index 2f0674f..34f4cf9 100644 --- a/include/fpu/softfloat-helpers.h +++ b/include/fpu/softfloat-helpers.h @@ -69,7 +69,7 @@ static inline void set_float_exception_flags(int val, float_status *status) status->float_exception_flags = val; } -static inline void set_floatx80_rounding_precision(int val, +static inline void set_floatx80_rounding_precision(FloatX80RoundPrec val, float_status *status) { status->floatx80_rounding_precision = val; @@ -120,7 +120,8 @@ static inline int get_float_exception_flags(float_status *status) return status->float_exception_flags; } -static inline int get_floatx80_rounding_precision(float_status *status) +static inline FloatX80RoundPrec +get_floatx80_rounding_precision(float_status *status) { return status->floatx80_rounding_precision; } diff --git a/include/fpu/softfloat-types.h b/include/fpu/softfloat-types.h index 3b757c3..5bcbd04 100644 --- a/include/fpu/softfloat-types.h +++ b/include/fpu/softfloat-types.h @@ -154,6 +154,14 @@ enum { float_flag_output_denormal = 128 }; +/* + * Rounding precision for floatx80. + */ +typedef enum __attribute__((__packed__)) { + floatx80_precision_x, + floatx80_precision_d, + floatx80_precision_s, +} FloatX80RoundPrec; /* * Floating Point Status. Individual architectures may maintain @@ -165,7 +173,7 @@ enum { typedef struct float_status { FloatRoundMode float_rounding_mode; uint8_t float_exception_flags; - signed char floatx80_rounding_precision; + FloatX80RoundPrec floatx80_rounding_precision; bool tininess_before_rounding; /* should denormalised results go to zero and set the inexact flag? */ bool flush_to_zero; diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h index ed32040..ec7dca0 100644 --- a/include/fpu/softfloat.h +++ b/include/fpu/softfloat.h @@ -1152,7 +1152,7 @@ floatx80 propagateFloatx80NaN(floatx80 a, floatx80 b, float_status *status); | Floating-Point Arithmetic. *----------------------------------------------------------------------------*/ -floatx80 roundAndPackFloatx80(int8_t roundingPrecision, bool zSign, +floatx80 roundAndPackFloatx80(FloatX80RoundPrec roundingPrecision, bool zSign, int32_t zExp, uint64_t zSig0, uint64_t zSig1, float_status *status); @@ -1165,7 +1165,7 @@ floatx80 roundAndPackFloatx80(int8_t roundingPrecision, bool zSign, | normalized. *----------------------------------------------------------------------------*/ -floatx80 normalizeRoundAndPackFloatx80(int8_t roundingPrecision, +floatx80 normalizeRoundAndPackFloatx80(FloatX80RoundPrec roundingPrecision, bool zSign, int32_t zExp, uint64_t zSig0, uint64_t zSig1, float_status *status); |