• claptrap (4/4) Jan 07 Say you support no-SSE, SSE or AVX and you want to pick which to
• Johan (5/9) Jan 07 You can use @ldc.attributes.target for this.
• claptrap (2/11) Jan 07 thanks

claptrap <clap trap.com> writes:

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?

Johan <j j.nl> writes:

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

claptrap <clap trap.com> writes:

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