[PATCH 1/3] math: Consolidate acosf and asinf internal tables

[Adhemerval Zanella Netto]

On 10/02/25 17:55, Andreas K. Huettel wrote:
> Am Montag, 3. Februar 2025, 22:24:17 Mitteleuropäische Normalzeit schrieb Adhemerval Zanella:
>> The libm size improvement built with "--enable-stack-protector=strong
>> --enable-bind-now=yes --enable-fortify-source=2":
>>
>> From:
>>
>>    text	   data	    bss	    dec	    hex	filename
>>  587896     860      12  588768   8fbe0 aarch64-linux-gnu-master/math/libm.so
>>  963175    1068      12  964255   eb69f x86_64-linux-gnu-master/math/libm.so
>> 1191542    5544     368 1197454  12458e powerpc64le-linux-gnu-master/math/libm.so
>>
>> To:
>>
>>    text	   data	    bss	    dec	    hex	filename
>>  587304     860      12  588176   8f990 aarch64-linux-gnu/math/libm.so
>>  962855    1068      12  963935   eb55f x86_64-linux-gnu/math/libm.so
>> 1191222    5544     368 1197134  12444e powerpc64le-linux-gnu/math/libm.so
>>
>> The are not code changes for x86_64 and powerpc64le, but on aarch64
>> with gcc-14 I see a slight better code generation due the usage of
>> ldq for floating point constant loading.
> 
> 
> The b polynomial coefficients are different for asinf and acosf in the original.
> (And I see no changes in the polynomial itself.) 
> 
> If they can be changed like this, maybe add a remark why?

Because it is wrong, I will send a v2 with a correct consolidation.