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fpu/softfloat: re-factor add/sub

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We can now add float16_add/sub and use the common decompose and
canonicalize functions to have a single implementation for
float16/32/64 add and sub functions.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Alex Bennée 2017-11-27 14:15:17 +00:00
parent a90119b5a2
commit 6fff216769
2 changed files with 469 additions and 427 deletions
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4
include/fpu/softfloat.h
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@ -236,6 +236,10 @@ float64 float16_to_float64(float16 a, flag ieee, float_status *status);
/*----------------------------------------------------------------------------
| Software half-precision operations.
*----------------------------------------------------------------------------*/
float16 float16_add(float16, float16, float_status *status);
float16 float16_sub(float16, float16, float_status *status);
int float16_is_quiet_nan(float16, float_status *status);
int float16_is_signaling_nan(float16, float_status *status);
float16 float16_maybe_silence_nan(float16, float_status *status);