Function simple_hash

cranelift/codegen/shared/src/constant_hash.rs:4–10

This module provides a primitive hash function. A primitive hash function for matching opcodes.

(s: &str)

/// A primitive hash function for matching opcodes.
pub fn simple_hash(s: &str) -> usize {
    let mut h: u32 = 5381;
    for c in s.chars() {
        h = (h ^ c as u32).wrapping_add(h.rotate_right(6));
    }
    h as usize
}

#[cfg(test)]
mod tests {