user: Demonstrate the C code that generates the assembly output below:

```asm
<muldivmod>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    %ecx,-0x28(%rbp)
  mov    %r8d,-0x2c(%rbp)
  mov    %r9,-0x38(%rbp)
  mov    -0x24(%rbp),%eax
  and    $0xf0,%eax
  cmp    $0x20,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x24(%rbp),%eax
  and    $0xf0,%eax
  cmp    $0x30,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x24(%rbp),%eax
  and    $0xf0,%eax
  cmp    $0x90,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x24(%rbp),%eax
  and    $0x7,%eax
  cmp    $0x7,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  jne    L14
  cmpl   $0x0,-0x8(%rbp)
  je     L61
L14:
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <emit_load_imm@plt>
  cmpl   $0x0,-0x4(%rbp)
  je     L106
  mov    -0x28(%rbp),%ecx
  mov    -0x28(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    $0x85,%esi
  mov    %rax,%rdi
  call   <emit_alu64@plt>
  jmp    L80
L106:
  mov    -0x28(%rbp),%ecx
  mov    -0x28(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    $0x85,%esi
  mov    %rax,%rdi
  call   <emit_alu32@plt>
L80:
  mov    -0x18(%rbp),%rax
  mov    $0xfffffffe,%edx
  mov    $0x84,%esi
  mov    %rax,%rdi
  call   <emit_jcc@plt>
L61:
  cmpl   $0x0,-0x2c(%rbp)
  je     L97
  mov    -0x18(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <emit_push@plt>
L97:
  cmpl   $0x2,-0x2c(%rbp)
  je     L152
  mov    -0x18(%rbp),%rax
  mov    $0x2,%esi
  mov    %rax,%rdi
  call   <emit_push@plt>
L152:
  cmpq   $0x0,-0x38(%rbp)
  je     L135
  mov    -0x38(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <emit_load_imm@plt>
  jmp    L0
L135:
  mov    -0x28(%rbp),%ecx
  mov    -0x18(%rbp),%rax
  mov    $0x1,%edx
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <emit_mov@plt>
L0:
  mov    -0x2c(%rbp),%ecx
  mov    -0x18(%rbp),%rax
  mov    $0x0,%edx
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <emit_mov@plt>
  cmpl   $0x0,-0xc(%rbp)
  jne    L71
  cmpl   $0x0,-0x8(%rbp)
  je     L124
L71:
  mov    -0x18(%rbp),%rax
  mov    $0x2,%ecx
  mov    $0x2,%edx
  mov    $0x31,%esi
  mov    %rax,%rdi
  call   <emit_alu32@plt>
L124:
  cmpl   $0x0,-0x4(%rbp)
  je     L156
  mov    -0x18(%rbp),%rax
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <emit_rex@plt>
L156:
  cmpl   $0x0,-0x10(%rbp)
  je     L73
  mov    $0x4,%edx
  jmp    L163
L73:
  mov    $0x6,%edx
L163:
  mov    -0x18(%rbp),%rax
  mov    $0x1,%ecx
  mov    $0xf7,%esi
  mov    %rax,%rdi
  call   <emit_alu32@plt>
  cmpl   $0x2,-0x2c(%rbp)
  je     L31
  cmpl   $0x0,-0x8(%rbp)
  je     L42
  mov    -0x2c(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    $0x2,%esi
  mov    %rax,%rdi
  call   <emit_mov@plt>
L42:
  mov    -0x18(%rbp),%rax
  mov    $0x2,%esi
  mov    %rax,%rdi
  call   <emit_pop@plt>
L31:
  cmpl   $0x0,-0x2c(%rbp)
  je     L154
  cmpl   $0x0,-0xc(%rbp)
  jne    L45
  cmpl   $0x0,-0x10(%rbp)
  je     L75
L45:
  mov    -0x2c(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <emit_mov@plt>
L75:
  mov    -0x18(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <emit_pop@plt>
L154:
  nop
  leave
  ret
```

assistant: ```c
void muldivmod(struct jit_state *state, uint16_t pc, uint8_t opcode, int src, int dst, int32_t imm) {
  bool mul = (opcode & 0xf0) == ((0x04 | 0x00 | 0x20) & 0xf0);
  bool div = (opcode & 0xf0) == ((0x04 | 0x00 | 0x30) & 0xf0);
  bool mod = (opcode & 0xf0) == ((0x04 | 0x00 | 0x90) & 0xf0);
  bool is64 = (opcode & 0x07) == 0x07;
  if (div || mod) {
    emit_load_imm(state, 1, pc);
    if (is64) {
      emit_alu64(state, 0x85, src, src);
    } else {
      emit_alu32(state, 0x85, src, src);
    }
    emit_jcc(state, 0x84, -2);
  }
  if (dst != 0) {
    emit_push(state, 0);
  }
  if (dst != 2) {
    emit_push(state, 2);
  }
  if (imm) {
    emit_load_imm(state, 1, imm);
  } else {
    emit_mov(state, src, 1);
  }
  emit_mov(state, dst, 0);
  if (div || mod) {
    emit_alu32(state, 0x31, 2, 2);
  }
  if (is64) {
    emit_rex(state, 1, 0, 0, 0);
  }
  emit_alu32(state, 0xf7, mul ? 4 : 6, 1);
  if (dst != 2) {
    if (mod) {
      emit_mov(state, 2, dst);
    }
    emit_pop(state, 2);
  }
  if (dst != 0) {
    if (div || mul) {
      emit_mov(state, 0, dst);
    }
    emit_pop(state, 0);
  }
}
```