Controlling SIMD codegen on a module by module basis?

[claptrap]

On Sunday, 7 January 2024 at 12:08:17 UTC, Johan wrote:
> On Sunday, 7 January 2024 at 10:48:47 UTC, claptrap wrote:
>> Say you support no-SSE, SSE or AVX and you want to pick which 
>> to use at runtime. Is there a way to tell the optimizer not to 
>> use AVX, or SEE on a given module? Like set "-mattr" on a 
>> module by module basis?
>
> You can use @ldc.attributes.target for this.
> https://wiki.dlang.org/LDC-specific_language_changes#.40.28ldc.attributes.target.28.22feature.22.29.29
>
> cheers,
>   Johan

thanks