From 2f6c74be593ec5219e54d7b4abd4e5a98d7f3efc Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 24 Aug 2018 13:17:30 +0100 Subject: softfloat: Add scaling float-to-int routines Signed-off-by: Richard Henderson Message-id: 20180814002653.12828-3-richard.henderson@linaro.org Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- include/fpu/softfloat.h | 79 ++++++++++++++++++++++++++++++++++++------------- 1 file changed, 59 insertions(+), 20 deletions(-) (limited to 'include') diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h index 038e375..cc1b58b 100644 --- a/include/fpu/softfloat.h +++ b/include/fpu/softfloat.h @@ -243,21 +243,34 @@ float128 uint64_to_float128(uint64_t, float_status *status); /*---------------------------------------------------------------------------- | Software half-precision conversion routines. *----------------------------------------------------------------------------*/ + float16 float32_to_float16(float32, bool ieee, float_status *status); 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(float16, float_status *status); -uint16_t float16_to_uint16(float16 a, float_status *status); -int16_t float16_to_int16_round_to_zero(float16, float_status *status); -uint16_t float16_to_uint16_round_to_zero(float16 a, float_status *status); int32_t float16_to_int32(float16, float_status *status); -uint32_t float16_to_uint32(float16 a, float_status *status); -int32_t float16_to_int32_round_to_zero(float16, float_status *status); -uint32_t float16_to_uint32_round_to_zero(float16 a, float_status *status); int64_t float16_to_int64(float16, float_status *status); -uint64_t float16_to_uint64(float16 a, float_status *status); + +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(float16 a, float_status *status); +uint32_t float16_to_uint32(float16 a, float_status *status); +uint64_t float16_to_uint64(float16 a, float_status *status); + +uint16_t float16_to_uint16_round_to_zero(float16 a, float_status *status); +uint32_t float16_to_uint32_round_to_zero(float16 a, float_status *status); uint64_t float16_to_uint64_round_to_zero(float16 a, float_status *status); /*---------------------------------------------------------------------------- @@ -347,18 +360,31 @@ 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(float32, float_status *status); -uint16_t float32_to_uint16(float32, float_status *status); -int16_t float32_to_int16_round_to_zero(float32, float_status *status); -uint16_t float32_to_uint16_round_to_zero(float32, float_status *status); int32_t float32_to_int32(float32, float_status *status); +int64_t float32_to_int64(float32, float_status *status); + +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(float32, float_status *status); uint32_t float32_to_uint32(float32, float_status *status); -uint32_t float32_to_uint32_round_to_zero(float32, float_status *status); -int64_t float32_to_int64(float32, float_status *status); uint64_t float32_to_uint64(float32, float_status *status); + +uint16_t float32_to_uint16_round_to_zero(float32, float_status *status); +uint32_t float32_to_uint32_round_to_zero(float32, float_status *status); uint64_t float32_to_uint64_round_to_zero(float32, float_status *status); -int64_t float32_to_int64_round_to_zero(float32, float_status *status); + float64 float32_to_float64(float32, float_status *status); floatx80 float32_to_floatx80(float32, float_status *status); float128 float32_to_float128(float32, float_status *status); @@ -476,18 +502,31 @@ 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(float64, float_status *status); -uint16_t float64_to_uint16(float64, float_status *status); -int16_t float64_to_int16_round_to_zero(float64, float_status *status); -uint16_t float64_to_uint16_round_to_zero(float64, float_status *status); int32_t float64_to_int32(float64, float_status *status); +int64_t float64_to_int64(float64, float_status *status); + +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(float64, float_status *status); uint32_t float64_to_uint32(float64, float_status *status); +uint64_t float64_to_uint64(float64, float_status *status); + +uint16_t float64_to_uint16_round_to_zero(float64, float_status *status); uint32_t float64_to_uint32_round_to_zero(float64, float_status *status); -int64_t float64_to_int64(float64, float_status *status); -int64_t float64_to_int64_round_to_zero(float64, float_status *status); -uint64_t float64_to_uint64(float64 a, float_status *status); -uint64_t float64_to_uint64_round_to_zero(float64 a, float_status *status); +uint64_t float64_to_uint64_round_to_zero(float64, float_status *status); + float32 float64_to_float32(float64, float_status *status); floatx80 float64_to_floatx80(float64, float_status *status); float128 float64_to_float128(float64, float_status *status); -- cgit v1.1