diff options
Diffstat (limited to 'include/fpu')
| -rw-r--r-- | include/fpu/softfloat-helpers.h | 27 | ||||
| -rw-r--r-- | include/fpu/softfloat-macros.h | 24 | ||||
| -rw-r--r-- | include/fpu/softfloat-types.h | 28 | ||||
| -rw-r--r-- | include/fpu/softfloat.h | 336 |
4 files changed, 268 insertions, 147 deletions
diff --git a/include/fpu/softfloat-helpers.h b/include/fpu/softfloat-helpers.h index e0baf24c8f..735ed6b653 100644 --- a/include/fpu/softfloat-helpers.h +++ b/include/fpu/softfloat-helpers.h @@ -53,12 +53,13 @@ this code that are retained. #include "fpu/softfloat-types.h" -static inline void set_float_detect_tininess(int val, float_status *status) +static inline void set_float_detect_tininess(bool val, float_status *status) { - status->float_detect_tininess = val; + status->tininess_before_rounding = val; } -static inline void set_float_rounding_mode(int val, float_status *status) +static inline void set_float_rounding_mode(FloatRoundMode val, + float_status *status) { status->float_rounding_mode = val; } @@ -74,32 +75,32 @@ static inline void set_floatx80_rounding_precision(int val, status->floatx80_rounding_precision = val; } -static inline void set_flush_to_zero(flag val, float_status *status) +static inline void set_flush_to_zero(bool val, float_status *status) { status->flush_to_zero = val; } -static inline void set_flush_inputs_to_zero(flag val, float_status *status) +static inline void set_flush_inputs_to_zero(bool val, float_status *status) { status->flush_inputs_to_zero = val; } -static inline void set_default_nan_mode(flag val, float_status *status) +static inline void set_default_nan_mode(bool val, float_status *status) { status->default_nan_mode = val; } -static inline void set_snan_bit_is_one(flag val, float_status *status) +static inline void set_snan_bit_is_one(bool val, float_status *status) { status->snan_bit_is_one = val; } -static inline int get_float_detect_tininess(float_status *status) +static inline bool get_float_detect_tininess(float_status *status) { - return status->float_detect_tininess; + return status->tininess_before_rounding; } -static inline int get_float_rounding_mode(float_status *status) +static inline FloatRoundMode get_float_rounding_mode(float_status *status) { return status->float_rounding_mode; } @@ -114,17 +115,17 @@ static inline int get_floatx80_rounding_precision(float_status *status) return status->floatx80_rounding_precision; } -static inline flag get_flush_to_zero(float_status *status) +static inline bool get_flush_to_zero(float_status *status) { return status->flush_to_zero; } -static inline flag get_flush_inputs_to_zero(float_status *status) +static inline bool get_flush_inputs_to_zero(float_status *status) { return status->flush_inputs_to_zero; } -static inline flag get_default_nan_mode(float_status *status) +static inline bool get_default_nan_mode(float_status *status) { return status->default_nan_mode; } diff --git a/include/fpu/softfloat-macros.h b/include/fpu/softfloat-macros.h index 605c4f4bc6..a35ec2893a 100644 --- a/include/fpu/softfloat-macros.h +++ b/include/fpu/softfloat-macros.h @@ -756,11 +756,9 @@ static inline uint32_t estimateSqrt32(int aExp, uint32_t a) | Otherwise, returns 0. *----------------------------------------------------------------------------*/ -static inline flag eq128( uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1 ) +static inline bool eq128(uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1) { - - return ( a0 == b0 ) && ( a1 == b1 ); - + return a0 == b0 && a1 == b1; } /*---------------------------------------------------------------------------- @@ -769,11 +767,9 @@ static inline flag eq128( uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1 ) | Otherwise, returns 0. *----------------------------------------------------------------------------*/ -static inline flag le128( uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1 ) +static inline bool le128(uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1) { - - return ( a0 < b0 ) || ( ( a0 == b0 ) && ( a1 <= b1 ) ); - + return a0 < b0 || (a0 == b0 && a1 <= b1); } /*---------------------------------------------------------------------------- @@ -782,11 +778,9 @@ static inline flag le128( uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1 ) | returns 0. *----------------------------------------------------------------------------*/ -static inline flag lt128( uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1 ) +static inline bool lt128(uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1) { - - return ( a0 < b0 ) || ( ( a0 == b0 ) && ( a1 < b1 ) ); - + return a0 < b0 || (a0 == b0 && a1 < b1); } /*---------------------------------------------------------------------------- @@ -795,11 +789,9 @@ static inline flag lt128( uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1 ) | Otherwise, returns 0. *----------------------------------------------------------------------------*/ -static inline flag ne128( uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1 ) +static inline bool ne128(uint64_t a0, uint64_t a1, uint64_t b0, uint64_t b1) { - - return ( a0 != b0 ) || ( a1 != b1 ); - + return a0 != b0 || a1 != b1; } #endif diff --git a/include/fpu/softfloat-types.h b/include/fpu/softfloat-types.h index 2aae6a89b1..7680193ebc 100644 --- a/include/fpu/softfloat-types.h +++ b/include/fpu/softfloat-types.h @@ -80,12 +80,6 @@ this code that are retained. #ifndef SOFTFLOAT_TYPES_H #define SOFTFLOAT_TYPES_H -/* This 'flag' type must be able to hold at least 0 and 1. It should - * probably be replaced with 'bool' but the uses would need to be audited - * to check that they weren't accidentally relying on it being a larger type. - */ -typedef uint8_t flag; - /* * Software IEC/IEEE floating-point types. */ @@ -122,16 +116,14 @@ typedef struct { * Software IEC/IEEE floating-point underflow tininess-detection mode. */ -enum { - float_tininess_after_rounding = 0, - float_tininess_before_rounding = 1 -}; +#define float_tininess_after_rounding false +#define float_tininess_before_rounding true /* *Software IEC/IEEE floating-point rounding mode. */ -enum { +typedef enum __attribute__((__packed__)) { float_round_nearest_even = 0, float_round_down = 1, float_round_up = 2, @@ -139,7 +131,7 @@ enum { float_round_ties_away = 4, /* Not an IEEE rounding mode: round to the closest odd mantissa value */ float_round_to_odd = 5, -}; +} FloatRoundMode; /* * Software IEC/IEEE floating-point exception flags. @@ -164,17 +156,17 @@ enum { */ typedef struct float_status { - signed char float_detect_tininess; - signed char float_rounding_mode; + FloatRoundMode float_rounding_mode; uint8_t float_exception_flags; signed char floatx80_rounding_precision; + bool tininess_before_rounding; /* should denormalised results go to zero and set the inexact flag? */ - flag flush_to_zero; + bool flush_to_zero; /* should denormalised inputs go to zero and set the input_denormal flag? */ - flag flush_inputs_to_zero; - flag default_nan_mode; + bool flush_inputs_to_zero; + bool default_nan_mode; /* not always used -- see snan_bit_is_one() in softfloat-specialize.h */ - flag snan_bit_is_one; + bool snan_bit_is_one; } float_status; #endif /* SOFTFLOAT_TYPES_H */ diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h index ecb8ba0114..16ca697a73 100644 --- a/include/fpu/softfloat.h +++ b/include/fpu/softfloat.h @@ -85,12 +85,13 @@ this code that are retained. /*---------------------------------------------------------------------------- | Software IEC/IEEE floating-point ordering relations *----------------------------------------------------------------------------*/ -enum { + +typedef enum { float_relation_less = -1, float_relation_equal = 0, float_relation_greater = 1, float_relation_unordered = 2 -}; +} FloatRelation; #include "fpu/softfloat-types.h" #include "fpu/softfloat-helpers.h" @@ -186,9 +187,9 @@ float32 float16_to_float32(float16, bool ieee, float_status *status); float16 float64_to_float16(float64 a, bool ieee, float_status *status); float64 float16_to_float64(float16 a, bool ieee, float_status *status); -int16_t float16_to_int16_scalbn(float16, int, int, float_status *status); -int32_t float16_to_int32_scalbn(float16, int, int, float_status *status); -int64_t float16_to_int64_scalbn(float16, int, int, float_status *status); +int16_t float16_to_int16_scalbn(float16, FloatRoundMode, int, float_status *); +int32_t float16_to_int32_scalbn(float16, FloatRoundMode, int, float_status *); +int64_t float16_to_int64_scalbn(float16, FloatRoundMode, int, float_status *); int16_t float16_to_int16(float16, float_status *status); int32_t float16_to_int32(float16, float_status *status); @@ -198,9 +199,12 @@ int16_t float16_to_int16_round_to_zero(float16, float_status *status); int32_t float16_to_int32_round_to_zero(float16, float_status *status); int64_t float16_to_int64_round_to_zero(float16, float_status *status); -uint16_t float16_to_uint16_scalbn(float16 a, int, int, float_status *status); -uint32_t float16_to_uint32_scalbn(float16 a, int, int, float_status *status); -uint64_t float16_to_uint64_scalbn(float16 a, int, int, float_status *status); +uint16_t float16_to_uint16_scalbn(float16 a, FloatRoundMode, + int, float_status *status); +uint32_t float16_to_uint32_scalbn(float16 a, FloatRoundMode, + int, float_status *status); +uint64_t float16_to_uint64_scalbn(float16 a, FloatRoundMode, + int, float_status *status); uint16_t float16_to_uint16(float16 a, float_status *status); uint32_t float16_to_uint32(float16 a, float_status *status); @@ -228,34 +232,34 @@ float16 float16_maxnum(float16, float16, float_status *status); float16 float16_minnummag(float16, float16, float_status *status); float16 float16_maxnummag(float16, float16, float_status *status); float16 float16_sqrt(float16, float_status *status); -int float16_compare(float16, float16, float_status *status); -int float16_compare_quiet(float16, float16, float_status *status); +FloatRelation float16_compare(float16, float16, float_status *status); +FloatRelation float16_compare_quiet(float16, float16, float_status *status); -int float16_is_quiet_nan(float16, float_status *status); -int float16_is_signaling_nan(float16, float_status *status); +bool float16_is_quiet_nan(float16, float_status *status); +bool float16_is_signaling_nan(float16, float_status *status); float16 float16_silence_nan(float16, float_status *status); -static inline int float16_is_any_nan(float16 a) +static inline bool float16_is_any_nan(float16 a) { return ((float16_val(a) & ~0x8000) > 0x7c00); } -static inline int float16_is_neg(float16 a) +static inline bool float16_is_neg(float16 a) { return float16_val(a) >> 15; } -static inline int float16_is_infinity(float16 a) +static inline bool float16_is_infinity(float16 a) { return (float16_val(a) & 0x7fff) == 0x7c00; } -static inline int float16_is_zero(float16 a) +static inline bool float16_is_zero(float16 a) { return (float16_val(a) & 0x7fff) == 0; } -static inline int float16_is_zero_or_denormal(float16 a) +static inline bool float16_is_zero_or_denormal(float16 a) { return (float16_val(a) & 0x7c00) == 0; } @@ -298,9 +302,9 @@ float16 float16_default_nan(float_status *status); | Software IEC/IEEE single-precision conversion routines. *----------------------------------------------------------------------------*/ -int16_t float32_to_int16_scalbn(float32, int, int, float_status *status); -int32_t float32_to_int32_scalbn(float32, int, int, float_status *status); -int64_t float32_to_int64_scalbn(float32, int, int, float_status *status); +int16_t float32_to_int16_scalbn(float32, FloatRoundMode, int, float_status *); +int32_t float32_to_int32_scalbn(float32, FloatRoundMode, int, float_status *); +int64_t float32_to_int64_scalbn(float32, FloatRoundMode, int, float_status *); int16_t float32_to_int16(float32, float_status *status); int32_t float32_to_int32(float32, float_status *status); @@ -310,9 +314,9 @@ int16_t float32_to_int16_round_to_zero(float32, float_status *status); int32_t float32_to_int32_round_to_zero(float32, float_status *status); int64_t float32_to_int64_round_to_zero(float32, float_status *status); -uint16_t float32_to_uint16_scalbn(float32, int, int, float_status *status); -uint32_t float32_to_uint32_scalbn(float32, int, int, float_status *status); -uint64_t float32_to_uint64_scalbn(float32, int, int, float_status *status); +uint16_t float32_to_uint16_scalbn(float32, FloatRoundMode, int, float_status *); +uint32_t float32_to_uint32_scalbn(float32, FloatRoundMode, int, float_status *); +uint64_t float32_to_uint64_scalbn(float32, FloatRoundMode, int, float_status *); uint16_t float32_to_uint16(float32, float_status *status); uint32_t float32_to_uint32(float32, float_status *status); @@ -339,24 +343,16 @@ float32 float32_muladd(float32, float32, float32, int, float_status *status); float32 float32_sqrt(float32, float_status *status); float32 float32_exp2(float32, float_status *status); float32 float32_log2(float32, float_status *status); -int float32_eq(float32, float32, float_status *status); -int float32_le(float32, float32, float_status *status); -int float32_lt(float32, float32, float_status *status); -int float32_unordered(float32, float32, float_status *status); -int float32_eq_quiet(float32, float32, float_status *status); -int float32_le_quiet(float32, float32, float_status *status); -int float32_lt_quiet(float32, float32, float_status *status); -int float32_unordered_quiet(float32, float32, float_status *status); -int float32_compare(float32, float32, float_status *status); -int float32_compare_quiet(float32, float32, float_status *status); +FloatRelation float32_compare(float32, float32, float_status *status); +FloatRelation float32_compare_quiet(float32, float32, float_status *status); float32 float32_min(float32, float32, float_status *status); float32 float32_max(float32, float32, float_status *status); float32 float32_minnum(float32, float32, float_status *status); float32 float32_maxnum(float32, float32, float_status *status); float32 float32_minnummag(float32, float32, float_status *status); float32 float32_maxnummag(float32, float32, float_status *status); -int float32_is_quiet_nan(float32, float_status *status); -int float32_is_signaling_nan(float32, float_status *status); +bool float32_is_quiet_nan(float32, float_status *status); +bool float32_is_signaling_nan(float32, float_status *status); float32 float32_silence_nan(float32, float_status *status); float32 float32_scalbn(float32, int, float_status *status); @@ -376,27 +372,27 @@ static inline float32 float32_chs(float32 a) return make_float32(float32_val(a) ^ 0x80000000); } -static inline int float32_is_infinity(float32 a) +static inline bool float32_is_infinity(float32 a) { return (float32_val(a) & 0x7fffffff) == 0x7f800000; } -static inline int float32_is_neg(float32 a) +static inline bool float32_is_neg(float32 a) { return float32_val(a) >> 31; } -static inline int float32_is_zero(float32 a) +static inline bool float32_is_zero(float32 a) { return (float32_val(a) & 0x7fffffff) == 0; } -static inline int float32_is_any_nan(float32 a) +static inline bool float32_is_any_nan(float32 a) { return ((float32_val(a) & ~(1 << 31)) > 0x7f800000UL); } -static inline int float32_is_zero_or_denormal(float32 a) +static inline bool float32_is_zero_or_denormal(float32 a) { return (float32_val(a) & 0x7f800000) == 0; } @@ -421,6 +417,47 @@ static inline float32 float32_set_sign(float32 a, int sign) return make_float32((float32_val(a) & 0x7fffffff) | (sign << 31)); } +static inline bool float32_eq(float32 a, float32 b, float_status *s) +{ + return float32_compare(a, b, s) == float_relation_equal; +} + +static inline bool float32_le(float32 a, float32 b, float_status *s) +{ + return float32_compare(a, b, s) <= float_relation_equal; +} + +static inline bool float32_lt(float32 a, float32 b, float_status *s) +{ + return float32_compare(a, b, s) < float_relation_equal; +} + +static inline bool float32_unordered(float32 a, float32 b, float_status *s) +{ + return float32_compare(a, b, s) == float_relation_unordered; +} + +static inline bool float32_eq_quiet(float32 a, float32 b, float_status *s) +{ + return float32_compare_quiet(a, b, s) == float_relation_equal; +} + +static inline bool float32_le_quiet(float32 a, float32 b, float_status *s) +{ + return float32_compare_quiet(a, b, s) <= float_relation_equal; +} + +static inline bool float32_lt_quiet(float32 a, float32 b, float_status *s) +{ + return float32_compare_quiet(a, b, s) < float_relation_equal; +} + +static inline bool float32_unordered_quiet(float32 a, float32 b, + float_status *s) +{ + return float32_compare_quiet(a, b, s) == float_relation_unordered; +} + #define float32_zero make_float32(0) #define float32_half make_float32(0x3f000000) #define float32_one make_float32(0x3f800000) @@ -440,7 +477,7 @@ static inline float32 float32_set_sign(float32 a, int sign) | significand. *----------------------------------------------------------------------------*/ -static inline float32 packFloat32(flag zSign, int zExp, uint32_t zSig) +static inline float32 packFloat32(bool zSign, int zExp, uint32_t zSig) { return make_float32( (((uint32_t)zSign) << 31) + (((uint32_t)zExp) << 23) + zSig); @@ -455,9 +492,9 @@ float32 float32_default_nan(float_status *status); | Software IEC/IEEE double-precision conversion routines. *----------------------------------------------------------------------------*/ -int16_t float64_to_int16_scalbn(float64, int, int, float_status *status); -int32_t float64_to_int32_scalbn(float64, int, int, float_status *status); -int64_t float64_to_int64_scalbn(float64, int, int, float_status *status); +int16_t float64_to_int16_scalbn(float64, FloatRoundMode, int, float_status *); +int32_t float64_to_int32_scalbn(float64, FloatRoundMode, int, float_status *); +int64_t float64_to_int64_scalbn(float64, FloatRoundMode, int, float_status *); int16_t float64_to_int16(float64, float_status *status); int32_t float64_to_int32(float64, float_status *status); @@ -467,9 +504,9 @@ int16_t float64_to_int16_round_to_zero(float64, float_status *status); int32_t float64_to_int32_round_to_zero(float64, float_status *status); int64_t float64_to_int64_round_to_zero(float64, float_status *status); -uint16_t float64_to_uint16_scalbn(float64, int, int, float_status *status); -uint32_t float64_to_uint32_scalbn(float64, int, int, float_status *status); -uint64_t float64_to_uint64_scalbn(float64, int, int, float_status *status); +uint16_t float64_to_uint16_scalbn(float64, FloatRoundMode, int, float_status *); +uint32_t float64_to_uint32_scalbn(float64, FloatRoundMode, int, float_status *); +uint64_t float64_to_uint64_scalbn(float64, FloatRoundMode, int, float_status *); uint16_t float64_to_uint16(float64, float_status *status); uint32_t float64_to_uint32(float64, float_status *status); @@ -495,24 +532,16 @@ float64 float64_rem(float64, float64, float_status *status); float64 float64_muladd(float64, float64, float64, int, float_status *status); float64 float64_sqrt(float64, float_status *status); float64 float64_log2(float64, float_status *status); -int float64_eq(float64, float64, float_status *status); -int float64_le(float64, float64, float_status *status); -int float64_lt(float64, float64, float_status *status); -int float64_unordered(float64, float64, float_status *status); -int float64_eq_quiet(float64, float64, float_status *status); -int float64_le_quiet(float64, float64, float_status *status); -int float64_lt_quiet(float64, float64, float_status *status); -int float64_unordered_quiet(float64, float64, float_status *status); -int float64_compare(float64, float64, float_status *status); -int float64_compare_quiet(float64, float64, float_status *status); +FloatRelation float64_compare(float64, float64, float_status *status); +FloatRelation float64_compare_quiet(float64, float64, float_status *status); float64 float64_min(float64, float64, float_status *status); float64 float64_max(float64, float64, float_status *status); float64 float64_minnum(float64, float64, float_status *status); float64 float64_maxnum(float64, float64, float_status *status); float64 float64_minnummag(float64, float64, float_status *status); float64 float64_maxnummag(float64, float64, float_status *status); -int float64_is_quiet_nan(float64 a, float_status *status); -int float64_is_signaling_nan(float64, float_status *status); +bool float64_is_quiet_nan(float64 a, float_status *status); +bool float64_is_signaling_nan(float64, float_status *status); float64 float64_silence_nan(float64, float_status *status); float64 float64_scalbn(float64, int, float_status *status); @@ -532,27 +561,27 @@ static inline float64 float64_chs(float64 a) return make_float64(float64_val(a) ^ 0x8000000000000000LL); } -static inline int float64_is_infinity(float64 a) +static inline bool float64_is_infinity(float64 a) { return (float64_val(a) & 0x7fffffffffffffffLL ) == 0x7ff0000000000000LL; } -static inline int float64_is_neg(float64 a) +static inline bool float64_is_neg(float64 a) { return float64_val(a) >> 63; } -static inline int float64_is_zero(float64 a) +static inline bool float64_is_zero(float64 a) { return (float64_val(a) & 0x7fffffffffffffffLL) == 0; } -static inline int float64_is_any_nan(float64 a) +static inline bool float64_is_any_nan(float64 a) { return ((float64_val(a) & ~(1ULL << 63)) > 0x7ff0000000000000ULL); } -static inline int float64_is_zero_or_denormal(float64 a) +static inline bool float64_is_zero_or_denormal(float64 a) { return (float64_val(a) & 0x7ff0000000000000LL) == 0; } @@ -578,6 +607,47 @@ static inline float64 float64_set_sign(float64 a, int sign) | ((int64_t)sign << 63)); } +static inline bool float64_eq(float64 a, float64 b, float_status *s) +{ + return float64_compare(a, b, s) == float_relation_equal; +} + +static inline bool float64_le(float64 a, float64 b, float_status *s) +{ + return float64_compare(a, b, s) <= float_relation_equal; +} + +static inline bool float64_lt(float64 a, float64 b, float_status *s) +{ + return float64_compare(a, b, s) < float_relation_equal; +} + +static inline bool float64_unordered(float64 a, float64 b, float_status *s) +{ + return float64_compare(a, b, s) == float_relation_unordered; +} + +static inline bool float64_eq_quiet(float64 a, float64 b, float_status *s) +{ + return float64_compare_quiet(a, b, s) == float_relation_equal; +} + +static inline bool float64_le_quiet(float64 a, float64 b, float_status *s) +{ + return float64_compare_quiet(a, b, s) <= float_relation_equal; +} + +static inline bool float64_lt_quiet(float64 a, float64 b, float_status *s) +{ + return float64_compare_quiet(a, b, s) < float_relation_equal; +} + +static inline bool float64_unordered_quiet(float64 a, float64 b, + float_status *s) +{ + return float64_compare_quiet(a, b, s) == float_relation_unordered; +} + #define float64_zero make_float64(0) #define float64_half make_float64(0x3fe0000000000000LL) #define float64_one make_float64(0x3ff0000000000000LL) @@ -619,16 +689,8 @@ floatx80 floatx80_mul(floatx80, floatx80, float_status *status); floatx80 floatx80_div(floatx80, floatx80, float_status *status); floatx80 floatx80_rem(floatx80, floatx80, float_status *status); floatx80 floatx80_sqrt(floatx80, float_status *status); -int floatx80_eq(floatx80, floatx80, float_status *status); -int floatx80_le(floatx80, floatx80, float_status *status); -int floatx80_lt(floatx80, floatx80, float_status *status); -int floatx80_unordered(floatx80, floatx80, float_status *status); -int floatx80_eq_quiet(floatx80, floatx80, float_status *status); -int floatx80_le_quiet(floatx80, floatx80, float_status *status); -int floatx80_lt_quiet(floatx80, floatx80, float_status *status); -int floatx80_unordered_quiet(floatx80, floatx80, float_status *status); -int floatx80_compare(floatx80, floatx80, float_status *status); -int floatx80_compare_quiet(floatx80, floatx80, float_status *status); +FloatRelation floatx80_compare(floatx80, floatx80, float_status *status); +FloatRelation floatx80_compare_quiet(floatx80, floatx80, float_status *status); int floatx80_is_quiet_nan(floatx80, float_status *status); int floatx80_is_signaling_nan(floatx80, float_status *status); floatx80 floatx80_silence_nan(floatx80, float_status *status); @@ -646,7 +708,7 @@ static inline floatx80 floatx80_chs(floatx80 a) return a; } -static inline int floatx80_is_infinity(floatx80 a) +static inline bool floatx80_is_infinity(floatx80 a) { #if defined(TARGET_M68K) return (a.high & 0x7fff) == floatx80_infinity.high && !(a.low << 1); @@ -656,26 +718,67 @@ static inline int floatx80_is_infinity(floatx80 a) #endif } -static inline int floatx80_is_neg(floatx80 a) +static inline bool floatx80_is_neg(floatx80 a) { return a.high >> 15; } -static inline int floatx80_is_zero(floatx80 a) +static inline bool floatx80_is_zero(floatx80 a) { return (a.high & 0x7fff) == 0 && a.low == 0; } -static inline int floatx80_is_zero_or_denormal(floatx80 a) +static inline bool floatx80_is_zero_or_denormal(floatx80 a) { return (a.high & 0x7fff) == 0; } -static inline int floatx80_is_any_nan(floatx80 a) +static inline bool floatx80_is_any_nan(floatx80 a) { return ((a.high & 0x7fff) == 0x7fff) && (a.low<<1); } +static inline bool floatx80_eq(floatx80 a, floatx80 b, float_status *s) +{ + return floatx80_compare(a, b, s) == float_relation_equal; +} + +static inline bool floatx80_le(floatx80 a, floatx80 b, float_status *s) +{ + return floatx80_compare(a, b, s) <= float_relation_equal; +} + +static inline bool floatx80_lt(floatx80 a, floatx80 b, float_status *s) +{ + return floatx80_compare(a, b, s) < float_relation_equal; +} + +static inline bool floatx80_unordered(floatx80 a, floatx80 b, float_status *s) +{ + return floatx80_compare(a, b, s) == float_relation_unordered; +} + +static inline bool floatx80_eq_quiet(floatx80 a, floatx80 b, float_status *s) +{ + return floatx80_compare_quiet(a, b, s) == float_relation_equal; +} + +static inline bool floatx80_le_quiet(floatx80 a, floatx80 b, float_status *s) +{ + return floatx80_compare_quiet(a, b, s) <= float_relation_equal; +} + +static inline bool floatx80_lt_quiet(floatx80 a, floatx80 b, float_status *s) +{ + return floatx80_compare_quiet(a, b, s) < float_relation_equal; +} + +static inline bool floatx80_unordered_quiet(floatx80 a, floatx80 b, + float_status *s) +{ + return floatx80_compare_quiet(a, b, s) == float_relation_unordered; +} + /*---------------------------------------------------------------------------- | Return whether the given value is an invalid floatx80 encoding. | Invalid floatx80 encodings arise when the integer bit is not set, but @@ -722,7 +825,7 @@ static inline int32_t extractFloatx80Exp(floatx80 a) | `a'. *----------------------------------------------------------------------------*/ -static inline flag extractFloatx80Sign(floatx80 a) +static inline bool extractFloatx80Sign(floatx80 a) { return a.high >> 15; } @@ -732,7 +835,7 @@ static inline flag extractFloatx80Sign(floatx80 a) | extended double-precision floating-point value, returning the result. *----------------------------------------------------------------------------*/ -static inline floatx80 packFloatx80(flag zSign, int32_t zExp, uint64_t zSig) +static inline floatx80 packFloatx80(bool zSign, int32_t zExp, uint64_t zSig) { floatx80 z; @@ -783,7 +886,7 @@ floatx80 propagateFloatx80NaN(floatx80 a, floatx80 b, float_status *status); | Floating-Point Arithmetic. *----------------------------------------------------------------------------*/ -floatx80 roundAndPackFloatx80(int8_t roundingPrecision, flag zSign, +floatx80 roundAndPackFloatx80(int8_t roundingPrecision, bool zSign, int32_t zExp, uint64_t zSig0, uint64_t zSig1, float_status *status); @@ -797,7 +900,7 @@ floatx80 roundAndPackFloatx80(int8_t roundingPrecision, flag zSign, *----------------------------------------------------------------------------*/ floatx80 normalizeRoundAndPackFloatx80(int8_t roundingPrecision, - flag zSign, int32_t zExp, + bool zSign, int32_t zExp, uint64_t zSig0, uint64_t zSig1, float_status *status); @@ -831,18 +934,10 @@ float128 float128_mul(float128, float128, float_status *status); float128 float128_div(float128, float128, float_status *status); float128 float128_rem(float128, float128, float_status *status); float128 float128_sqrt(float128, float_status *status); -int float128_eq(float128, float128, float_status *status); -int float128_le(float128, float128, float_status *status); -int float128_lt(float128, float128, float_status *status); -int float128_unordered(float128, float128, float_status *status); -int float128_eq_quiet(float128, float128, float_status *status); -int float128_le_quiet(float128, float128, float_status *status); -int float128_lt_quiet(float128, float128, float_status *status); -int float128_unordered_quiet(float128, float128, float_status *status); -int float128_compare(float128, float128, float_status *status); -int float128_compare_quiet(float128, float128, float_status *status); -int float128_is_quiet_nan(float128, float_status *status); -int float128_is_signaling_nan(float128, float_status *status); +FloatRelation float128_compare(float128, float128, float_status *status); +FloatRelation float128_compare_quiet(float128, float128, float_status *status); +bool float128_is_quiet_nan(float128, float_status *status); +bool float128_is_signaling_nan(float128, float_status *status); float128 float128_silence_nan(float128, float_status *status); float128 float128_scalbn(float128, int, float_status *status); @@ -858,22 +953,22 @@ static inline float128 float128_chs(float128 a) return a; } -static inline int float128_is_infinity(float128 a) +static inline bool float128_is_infinity(float128 a) { return (a.high & 0x7fffffffffffffffLL) == 0x7fff000000000000LL && a.low == 0; } -static inline int float128_is_neg(float128 a) +static inline bool float128_is_neg(float128 a) { return a.high >> 63; } -static inline int float128_is_zero(float128 a) +static inline bool float128_is_zero(float128 a) { return (a.high & 0x7fffffffffffffffLL) == 0 && a.low == 0; } -static inline int float128_is_zero_or_denormal(float128 a) +static inline bool float128_is_zero_or_denormal(float128 a) { return (a.high & 0x7fff000000000000LL) == 0; } @@ -888,12 +983,53 @@ static inline bool float128_is_denormal(float128 a) return float128_is_zero_or_denormal(a) && !float128_is_zero(a); } -static inline int float128_is_any_nan(float128 a) +static inline bool float128_is_any_nan(float128 a) { return ((a.high >> 48) & 0x7fff) == 0x7fff && ((a.low != 0) || ((a.high & 0xffffffffffffLL) != 0)); } +static inline bool float128_eq(float128 a, float128 b, float_status *s) +{ + return float128_compare(a, b, s) == float_relation_equal; +} + +static inline bool float128_le(float128 a, float128 b, float_status *s) +{ + return float128_compare(a, b, s) <= float_relation_equal; +} + +static inline bool float128_lt(float128 a, float128 b, float_status *s) +{ + return float128_compare(a, b, s) < float_relation_equal; +} + +static inline bool float128_unordered(float128 a, float128 b, float_status *s) +{ + return float128_compare(a, b, s) == float_relation_unordered; +} + +static inline bool float128_eq_quiet(float128 a, float128 b, float_status *s) +{ + return float128_compare_quiet(a, b, s) == float_relation_equal; +} + +static inline bool float128_le_quiet(float128 a, float128 b, float_status *s) +{ + return float128_compare_quiet(a, b, s) <= float_relation_equal; +} + +static inline bool float128_lt_quiet(float128 a, float128 b, float_status *s) +{ + return float128_compare_quiet(a, b, s) < float_relation_equal; +} + +static inline bool float128_unordered_quiet(float128 a, float128 b, + float_status *s) +{ + return float128_compare_quiet(a, b, s) == float_relation_unordered; +} + #define float128_zero make_float128(0, 0) /*---------------------------------------------------------------------------- |