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fpu/softfloat: re-factor float to float conversions

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This allows us to delete a lot of additional boilerplate
code which is no longer needed.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Alex Bennée 2018-03-16 16:45:02 +00:00 • committed by Richard Henderson
parent ca3a3d5a31
commit 6fed16b265
3 changed files with 122 additions and 414 deletions
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8
include/fpu/softfloat.h
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@ -211,10 +211,10 @@ float128 uint64_to_float128(uint64_t, float_status *status);
/*----------------------------------------------------------------------------
| Software half-precision conversion routines.
*----------------------------------------------------------------------------*/
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);
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(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);