Method specialize_at

crates/vm/src/frame.rs:8090–8097

(&mut self, instr_idx: usize, cache_base: usize, new_op: Instruction)

    /// Install a specialized opcode and set adaptive cooldown bits.
    #[inline]
    fn specialize_at(&mut self, instr_idx: usize, cache_base: usize, new_op: Instruction) {
        unsafe {
            self.code
                .instructions
                .write_adaptive_counter(cache_base, ADAPTIVE_COOLDOWN_VALUE);
            self.code.instructions.replace_op(instr_idx, new_op);
        }
    }

    #[inline]
    fn cooldown_adaptive_at(&mut self, cache_base: usize) {