DUB package "intel-intrinsics" is out in version v1.4.0
Now with support for SSSE3 and SHA-256 instructions.

Features:

• Use intrinsics in: https://software.intel.com/sites/landingpage/IntrinsicsGuide/#techs=MMX,SSE,SSE2,SSE3,SSSE3
• target x86, x86_64, arm64 or arm32 (anyone actually needs arm32?)
• use DMD, LDC, or GDC