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

```asm
<qtree_bitins64>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  mov    %rcx,-0x38(%rbp)
  mov    %r8d,-0x3c(%rbp)
  mov    %r9d,-0x40(%rbp)
  mov    -0x40(%rbp),%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %eax,-0x4(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x0,-0x14(%rbp)
  jmp    L20
L440:
  mov    -0x3c(%rbp),%eax
  imul   -0x14(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L102
L582:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  cmp    $0xf,%eax
  ja     L290
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D19(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D19(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L290
  nop
L290:
  addl   $0x2,-0x8(%rbp)
  addl   $0x1,-0xc(%rbp)
  addl   $0x2,-0x10(%rbp)
L102:
  mov    -0x30(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x10(%rbp)
  jl     L582
  mov    -0x10(%rbp),%eax
  cmp    -0x30(%rbp),%eax
  jge    L390
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  cmp    $0xf,%eax
  ja     L526
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D17(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D17(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L526
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L526
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L526
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L526
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L526
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L526
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L526
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L526
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L526
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L526
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L526
  mov    -0x8(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%esi
  mov    -0x3c(%rbp),%eax
  add    %esi,%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L526
  nop
L526:
  addl   $0x1,-0xc(%rbp)
L390:
  addl   $0x2,-0x14(%rbp)
L20:
  mov    -0x2c(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x14(%rbp)
  jl     L440
  mov    -0x14(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jge    L328
  mov    -0x3c(%rbp),%eax
  imul   -0x14(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L322
L524:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  cmp    $0xf,%eax
  ja     L55
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D63(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D63(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L55
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L55
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L55
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L55
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L55
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L55
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L55
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L55
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L55
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L55
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L55
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L55
  nop
L55:
  addl   $0x2,-0x8(%rbp)
  addl   $0x1,-0xc(%rbp)
  addl   $0x2,-0x10(%rbp)
L322:
  mov    -0x30(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x10(%rbp)
  jl     L524
  mov    -0x10(%rbp),%eax
  cmp    -0x30(%rbp),%eax
  jge    L328
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  cmp    $0xf,%eax
  ja     L453
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D43(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D43(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L453
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L453
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L453
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L453
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L453
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L453
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L453
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rsi
  mov    -0x38(%rbp),%rax
  add    %rsi,%rax
  or     %rcx,%rdx
  mov    %rdx,(%rax)
  jmp    L453
  nop
L453:
  addl   $0x1,-0xc(%rbp)
L328:
  nop
  pop    %rbp
  ret
```

assistant: ```c
void qtree_bitins64(unsigned char a[], int nx, int ny, long long b[], int n, int bit) {
  int i, j, k;
  int s00;
  int plane_val;
  plane_val = 1 << bit;
  k = 0;
  for (i = 0; i < nx - 1; i += 2) {
    s00 = n * i;
    for (j = 0; j < ny - 1; j += 2) {
      switch (a[k]) {
      case (0):
        break;
      case (1):
        b[s00 + n + 1] |= plane_val;
        break;
      case (2):
        b[s00 + n] |= plane_val;
        break;
      case (3):
        b[s00 + n + 1] |= plane_val;
        b[s00 + n] |= plane_val;
        break;
      case (4):
        b[s00 + 1] |= plane_val;
        break;
      case (5):
        b[s00 + n + 1] |= plane_val;
        b[s00 + 1] |= plane_val;
        break;
      case (6):
        b[s00 + n] |= plane_val;
        b[s00 + 1] |= plane_val;
        break;
      case (7):
        b[s00 + n + 1] |= plane_val;
        b[s00 + n] |= plane_val;
        b[s00 + 1] |= plane_val;
        break;
      case (8):
        b[s00] |= plane_val;
        break;
      case (9):
        b[s00 + n + 1] |= plane_val;
        b[s00] |= plane_val;
        break;
      case (10):
        b[s00 + n] |= plane_val;
        b[s00] |= plane_val;
        break;
      case (11):
        b[s00 + n + 1] |= plane_val;
        b[s00 + n] |= plane_val;
        b[s00] |= plane_val;
        break;
      case (12):
        b[s00 + 1] |= plane_val;
        b[s00] |= plane_val;
        break;
      case (13):
        b[s00 + n + 1] |= plane_val;
        b[s00 + 1] |= plane_val;
        b[s00] |= plane_val;
        break;
      case (14):
        b[s00 + n] |= plane_val;
        b[s00 + 1] |= plane_val;
        b[s00] |= plane_val;
        break;
      case (15):
        b[s00 + n + 1] |= plane_val;
        b[s00 + n] |= plane_val;
        b[s00 + 1] |= plane_val;
        b[s00] |= plane_val;
        break;
      }
      s00 += 2;
      k += 1;
    }
    if (j < ny) {
      switch (a[k]) {
      case (0):
        break;
      case (1):
        break;
      case (2):
        b[s00 + n] |= plane_val;
        break;
      case (3):
        b[s00 + n] |= plane_val;
        break;
      case (4):
        break;
      case (5):
        break;
      case (6):
        b[s00 + n] |= plane_val;
        break;
      case (7):
        b[s00 + n] |= plane_val;
        break;
      case (8):
        b[s00] |= plane_val;
        break;
      case (9):
        b[s00] |= plane_val;
        break;
      case (10):
        b[s00 + n] |= plane_val;
        b[s00] |= plane_val;
        break;
      case (11):
        b[s00 + n] |= plane_val;
        b[s00] |= plane_val;
        break;
      case (12):
        b[s00] |= plane_val;
        break;
      case (13):
        b[s00] |= plane_val;
        break;
      case (14):
        b[s00 + n] |= plane_val;
        b[s00] |= plane_val;
        break;
      case (15):
        b[s00 + n] |= plane_val;
        b[s00] |= plane_val;
        break;
      }
      k += 1;
    }
  }
  if (i < nx) {
    s00 = n * i;
    for (j = 0; j < ny - 1; j += 2) {
      switch (a[k]) {
      case (0):
        break;
      case (1):
        break;
      case (2):
        break;
      case (3):
        break;
      case (4):
        b[s00 + 1] |= plane_val;
        break;
      case (5):
        b[s00 + 1] |= plane_val;
        break;
      case (6):
        b[s00 + 1] |= plane_val;
        break;
      case (7):
        b[s00 + 1] |= plane_val;
        break;
      case (8):
        b[s00] |= plane_val;
        break;
      case (9):
        b[s00] |= plane_val;
        break;
      case (10):
        b[s00] |= plane_val;
        break;
      case (11):
        b[s00] |= plane_val;
        break;
      case (12):
        b[s00 + 1] |= plane_val;
        b[s00] |= plane_val;
        break;
      case (13):
        b[s00 + 1] |= plane_val;
        b[s00] |= plane_val;
        break;
      case (14):
        b[s00 + 1] |= plane_val;
        b[s00] |= plane_val;
        break;
      case (15):
        b[s00 + 1] |= plane_val;
        b[s00] |= plane_val;
        break;
      }
      s00 += 2;
      k += 1;
    }
    if (j < ny) {
      switch (a[k]) {
      case (0):
        break;
      case (1):
        break;
      case (2):
        break;
      case (3):
        break;
      case (4):
        break;
      case (5):
        break;
      case (6):
        break;
      case (7):
        break;
      case (8):
        b[s00] |= plane_val;
        break;
      case (9):
        b[s00] |= plane_val;
        break;
      case (10):
        b[s00] |= plane_val;
        break;
      case (11):
        b[s00] |= plane_val;
        break;
      case (12):
        b[s00] |= plane_val;
        break;
      case (13):
        b[s00] |= plane_val;
        break;
      case (14):
        b[s00] |= plane_val;
        break;
      case (15):
        b[s00] |= plane_val;
        break;
      }
      k += 1;
    }
  }
}
```