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fpu/softfloat: re-factor float to int/uint

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We share the common int64/uint64_pack_decomposed function across all
the helpers and simply limit the final result depending on the final
size.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Alex Bennée 2017-11-29 10:56:06 +00:00
parent dbe4d53a59
commit ab52f973a5
2 changed files with 193 additions and 755 deletions
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13
include/fpu/softfloat.h
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@ -232,6 +232,19 @@ float16 float32_to_float16(float32, flag, float_status *status);
float32 float16_to_float32(float16, flag, float_status *status);
float16 float64_to_float16(float64 a, flag ieee, float_status *status);
float64 float16_to_float64(float16 a, flag ieee, 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);
int64_t float16_to_int64_round_to_zero(float16, float_status *status);
uint64_t float16_to_uint64_round_to_zero(float16 a, float_status *status);
float16 int16_to_float16(int16_t a, float_status *status);
/*----------------------------------------------------------------------------
| Software half-precision operations.