[Bug c/111058] __builtin_nans (and its friends for other floating-point types) compiles to an external call to __builtin_nans for unsupported tag

[chenxiaolong at loongson dot cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111058

--- Comment #4 from chenxiaolong <chenxiaolong at loongson dot cn> ---
(In reply to chenxiaolong from comment #3)
> //test.c
> #include<stdio.h>
> 
> int main(void)
> {
>       _Float128 ret=__builtin_nansf128("NAN");
>       printf("ret=%Lf\n",ret);
>       
>       return 0;       
> }     
> Compile command: gcc test.c -s -o -
> result:
> 
> x86_64:
>         ...
>       movl    $.LC0, %edi
>       call    __builtin_nansf128
>         ... 
> LoongArch:
>  
>        la.local       $r4,.LC0
>       bl      %plt(__builtin_nansf128)

Compile command: gcc test.c -S -o -