diff options
| -rw-r--r-- | fpu/softfloat.c | 80 | ||||
| -rw-r--r-- | include/fpu/softfloat.h | 4 |
2 files changed, 84 insertions, 0 deletions
diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 6a6b6567d7..dbaa32c7e3 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -6491,6 +6491,46 @@ uint32 float32_to_uint32_round_to_zero( float32 a STATUS_PARAM ) return res; } +int_fast16_t float32_to_int16(float32 a STATUS_PARAM) +{ + int32_t v; + int_fast16_t res; + int old_exc_flags = get_float_exception_flags(status); + + v = float32_to_int32(a STATUS_VAR); + if (v < -0x8000) { + res = -0x8000; + } else if (v > 0x7fff) { + res = 0x7fff; + } else { + return v; + } + + set_float_exception_flags(old_exc_flags, status); + float_raise(float_flag_invalid STATUS_VAR); + return res; +} + +uint_fast16_t float32_to_uint16(float32 a STATUS_PARAM) +{ + int32_t v; + uint_fast16_t res; + int old_exc_flags = get_float_exception_flags(status); + + v = float32_to_int32(a STATUS_VAR); + if (v < 0) { + res = 0; + } else if (v > 0xffff) { + res = 0xffff; + } else { + return v; + } + + set_float_exception_flags(old_exc_flags, status); + float_raise(float_flag_invalid STATUS_VAR); + return res; +} + uint_fast16_t float32_to_uint16_round_to_zero(float32 a STATUS_PARAM) { int64_t v; @@ -6545,6 +6585,46 @@ uint32 float64_to_uint32_round_to_zero( float64 a STATUS_PARAM ) return res; } +int_fast16_t float64_to_int16(float64 a STATUS_PARAM) +{ + int64_t v; + int_fast16_t res; + int old_exc_flags = get_float_exception_flags(status); + + v = float64_to_int32(a STATUS_VAR); + if (v < -0x8000) { + res = -0x8000; + } else if (v > 0x7fff) { + res = 0x7fff; + } else { + return v; + } + + set_float_exception_flags(old_exc_flags, status); + float_raise(float_flag_invalid STATUS_VAR); + return res; +} + +uint_fast16_t float64_to_uint16(float64 a STATUS_PARAM) +{ + int64_t v; + uint_fast16_t res; + int old_exc_flags = get_float_exception_flags(status); + + v = float64_to_int32(a STATUS_VAR); + if (v < 0) { + res = 0; + } else if (v > 0xffff) { + res = 0xffff; + } else { + return v; + } + + set_float_exception_flags(old_exc_flags, status); + float_raise(float_flag_invalid STATUS_VAR); + return res; +} + uint_fast16_t float64_to_uint16_round_to_zero(float64 a STATUS_PARAM) { int64_t v; diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h index 2365274daa..a9b8cd9950 100644 --- a/include/fpu/softfloat.h +++ b/include/fpu/softfloat.h @@ -265,6 +265,8 @@ extern const float16 float16_default_nan; /*---------------------------------------------------------------------------- | Software IEC/IEEE single-precision conversion routines. *----------------------------------------------------------------------------*/ +int_fast16_t float32_to_int16(float32 STATUS_PARAM); +uint_fast16_t float32_to_uint16(float32 STATUS_PARAM); int_fast16_t float32_to_int16_round_to_zero(float32 STATUS_PARAM); uint_fast16_t float32_to_uint16_round_to_zero(float32 STATUS_PARAM); int32 float32_to_int32( float32 STATUS_PARAM ); @@ -371,6 +373,8 @@ extern const float32 float32_default_nan; /*---------------------------------------------------------------------------- | Software IEC/IEEE double-precision conversion routines. *----------------------------------------------------------------------------*/ +int_fast16_t float64_to_int16(float64 STATUS_PARAM); +uint_fast16_t float64_to_uint16(float64 STATUS_PARAM); int_fast16_t float64_to_int16_round_to_zero(float64 STATUS_PARAM); uint_fast16_t float64_to_uint16_round_to_zero(float64 STATUS_PARAM); int32 float64_to_int32( float64 STATUS_PARAM ); |