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| author | LIU Zhiwei <zhiwei_liu@c-sky.com> | 2020-08-13 15:14:20 +0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2020-08-28 10:48:07 -0700 |
| commit | 34f0c0a98a5f3bb6706088c0384f937f7a294d3e (patch) | |
| tree | cf387d8f32f6892505f55a1250986de30e109410 /include/fpu | |
| parent | 8282310d8535cc2a8431c516e907da79f92df6eb (diff) | |
| download | qemu-34f0c0a98a5f3bb6706088c0384f937f7a294d3e.zip qemu-34f0c0a98a5f3bb6706088c0384f937f7a294d3e.tar.gz qemu-34f0c0a98a5f3bb6706088c0384f937f7a294d3e.tar.bz2 | |
softfloat: Define convert operations for bfloat16
Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200813071421.2509-3-zhiwei_liu@c-sky.com>
[rth: Use FloatRoundMode for conversion functions.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/fpu')
| -rw-r--r-- | include/fpu/softfloat.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h index 68b3cf4..95f0789 100644 --- a/include/fpu/softfloat.h +++ b/include/fpu/softfloat.h @@ -349,6 +349,60 @@ static inline bool float16_unordered_quiet(float16 a, float16 b, #define float16_infinity make_float16(0x7c00) /*---------------------------------------------------------------------------- +| Software bfloat16 conversion routines. +*----------------------------------------------------------------------------*/ + +bfloat16 bfloat16_round_to_int(bfloat16, float_status *status); +bfloat16 float32_to_bfloat16(float32, float_status *status); +float32 bfloat16_to_float32(bfloat16, float_status *status); +bfloat16 float64_to_bfloat16(float64 a, float_status *status); +float64 bfloat16_to_float64(bfloat16 a, float_status *status); + +int16_t bfloat16_to_int16_scalbn(bfloat16, FloatRoundMode, + int, float_status *status); +int32_t bfloat16_to_int32_scalbn(bfloat16, FloatRoundMode, + int, float_status *status); +int64_t bfloat16_to_int64_scalbn(bfloat16, FloatRoundMode, + int, float_status *status); + +int16_t bfloat16_to_int16(bfloat16, float_status *status); +int32_t bfloat16_to_int32(bfloat16, float_status *status); +int64_t bfloat16_to_int64(bfloat16, float_status *status); + +int16_t bfloat16_to_int16_round_to_zero(bfloat16, float_status *status); +int32_t bfloat16_to_int32_round_to_zero(bfloat16, float_status *status); +int64_t bfloat16_to_int64_round_to_zero(bfloat16, float_status *status); + +uint16_t bfloat16_to_uint16_scalbn(bfloat16 a, FloatRoundMode, + int, float_status *status); +uint32_t bfloat16_to_uint32_scalbn(bfloat16 a, FloatRoundMode, + int, float_status *status); +uint64_t bfloat16_to_uint64_scalbn(bfloat16 a, FloatRoundMode, + int, float_status *status); + +uint16_t bfloat16_to_uint16(bfloat16 a, float_status *status); +uint32_t bfloat16_to_uint32(bfloat16 a, float_status *status); +uint64_t bfloat16_to_uint64(bfloat16 a, float_status *status); + +uint16_t bfloat16_to_uint16_round_to_zero(bfloat16 a, float_status *status); +uint32_t bfloat16_to_uint32_round_to_zero(bfloat16 a, float_status *status); +uint64_t bfloat16_to_uint64_round_to_zero(bfloat16 a, float_status *status); + +bfloat16 int16_to_bfloat16_scalbn(int16_t a, int, float_status *status); +bfloat16 int32_to_bfloat16_scalbn(int32_t a, int, float_status *status); +bfloat16 int64_to_bfloat16_scalbn(int64_t a, int, float_status *status); +bfloat16 uint16_to_bfloat16_scalbn(uint16_t a, int, float_status *status); +bfloat16 uint32_to_bfloat16_scalbn(uint32_t a, int, float_status *status); +bfloat16 uint64_to_bfloat16_scalbn(uint64_t a, int, float_status *status); + +bfloat16 int16_to_bfloat16(int16_t a, float_status *status); +bfloat16 int32_to_bfloat16(int32_t a, float_status *status); +bfloat16 int64_to_bfloat16(int64_t a, float_status *status); +bfloat16 uint16_to_bfloat16(uint16_t a, float_status *status); +bfloat16 uint32_to_bfloat16(uint32_t a, float_status *status); +bfloat16 uint64_to_bfloat16(uint64_t a, float_status *status); + +/*---------------------------------------------------------------------------- | Software bfloat16 operations. *----------------------------------------------------------------------------*/ |