Method record

compiler/src/modules/vm/cache.rs:111–125

(&mut self, ip: usize, opcode: &OpCode, ta: u8, tb: u8)

    }

    pub fn record(&mut self, ip: usize, opcode: &OpCode, ta: u8, tb: u8) {
        let Some(s) = self.slots.get_mut(ip) else { return };
        let key = (ta << 4) | (tb & 0xF);
        if s.type_key == key {
            s.hits = s.hits.saturating_add(1);
            if s.hits >= QUICK_THRESH && s.fast.is_none() {
                s.fast = Self::specialize(opcode, ta, tb);
            }
        } else {
            // Preserve `inst`, its lifecycle is independent of scalar specialisation.
            s.type_key = key;
            s.hits = 1;
            s.fast = None;
        }
    }

    #[inline]
    pub fn get_fast(&self, ip: usize) -> Option<FastOp> {