_mm_lfence in core::arch::x86 - Rust
Description: Performs a serializing operation on all load-from-memory instructions that were issued prior to this instruction.

Skip to main content

## _mm_lfence

# Function _mm_lfence

1.27.0 · Source

    pub fn _mm_lfence()

Available on x86 and target feature `sse2` only.
Expand description

Performs a serializing operation on all load-from-memory instructions that were issued prior to this instruction.

Guarantees that every load instruction that precedes, in program order, is globally visible before any load instruction which follows the fence in program order.

Intel’s documentation