Module core::core_arch::x86::bmi2

🔬This is a nightly-only experimental API. (stdsimd #48556)

Available on x86 or x86-64 only.

Bit Manipulation Instruction (BMI) Set 2.0.

The reference is Intel 64 and IA-32 Architectures Software Developer’s Manual Volume 2: Instruction Set Reference, A-Z.

Wikipedia provides a quick overview of the instructions available.

Functions

• x86_bmi2_bzhi_32 🔒 ^⚠Experimental
• x86_bmi2_pdep_32 🔒 ^⚠Experimental
• x86_bmi2_pext_32 🔒 ^⚠Experimental
• _bzhi_u32^⚠bmi2
  Zeroes higher bits of a >= index.
• _mulx_u32^⚠bmi2
  Unsigned multiply without affecting flags.
• _pdep_u32^⚠bmi2
  Scatter contiguous low order bits of a to the result at the positions specified by the mask.
• _pext_u32^⚠bmi2
  Gathers the bits of x specified by the mask into the contiguous low order bit positions of the result.