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softfloat: Remove float_muladd_halve_result

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All uses have been convered to float*_muladd_scalbn.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-12-07 18:06:30 -06:00
parent 88d5f550bd
commit 6a243913aa
3 changed files with 0 additions and 13 deletions
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3
include/fpu/softfloat.h
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@ -120,14 +120,11 @@ bfloat16 bfloat16_squash_input_denormal(bfloat16 a, float_status *status);
| Using these differs from negating an input or output before calling
| the muladd function in that this means that a NaN doesn't have its
| sign bit inverted before it is propagated.
| We also support halving the result before rounding, as a special
| case to support the ARM fused-sqrt-step instruction FRSQRTS.
*----------------------------------------------------------------------------*/
enum {
float_muladd_negate_c = 1,
float_muladd_negate_product = 2,
float_muladd_negate_result = 4,
float_muladd_halve_result = 8,
};
/*----------------------------------------------------------------------------