user: What would the C source look like for the assembly code provided here:

```asm
<sortm>:
  endbr64
  cmp    $0x1,%esi
  jbe    L288
  push   %r15
  mov    %esi,%eax
  push   %r14
  and    $0x1,%eax
  push   %r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  shr    %r12d
  mov    %rdi,%rbp
  push   %rbx
  add    %eax,%r12d
  sub    %r12d,%esi
  sub    $0x48,%rsp
  mov    %esi,0x4(%rsp)
  cmp    $0x1,%r12d
  je     L155
  mov    %r12d,%r13d
  mov    %r12d,%eax
  mov    %r12d,%r14d
  shr    %r13d
  and    $0x1,%eax
  add    %eax,%r13d
  sub    %r13d,%r14d
  cmp    $0x1,%r13d
  je     L81
  mov    %r13d,%ebx
  mov    %r13d,%eax
  mov    %r13d,%r15d
  shr    %ebx
  and    $0x1,%eax
  add    %eax,%ebx
  sub    %ebx,%r15d
  cmp    $0x1,%ebx
  je     L128
  mov    %ebx,%r8d
  mov    %ebx,%eax
  mov    %ebx,%r9d
  shr    %r8d
  and    $0x1,%eax
  add    %eax,%r8d
  sub    %r8d,%r9d
  cmp    $0x1,%r8d
  je     L174
  mov    %r8d,%r10d
  mov    %r8d,%eax
  mov    %r8d,%edx
  mov    %r9d,0x24(%rsp)
  and    $0x1,%eax
  shr    %r10d
  mov    %r8d,0x20(%rsp)
  add    %eax,%r10d
  sub    %r10d,%edx
  mov    %r10d,%esi
  mov    %r10d,0x8(%rsp)
  mov    %edx,0x18(%rsp)
  call   <sortm>
  mov    0x8(%rsp),%edi
  mov    0x18(%rsp),%edx
  mov    %edi,0x10(%rsp)
  mov    %edx,%esi
  add    %rbp,%rdi
  mov    %edx,0x8(%rsp)
  call   <sortm>
  mov    0x8(%rsp),%edx
  mov    0x10(%rsp),%esi
  mov    %rbp,%rdi
  call   <merge@plt>
  mov    0x24(%rsp),%r9d
  mov    0x20(%rsp),%r8d
L174:
  cmp    $0x1,%r9d
  jbe    L46
  mov    %r9d,%r10d
  mov    %r9d,%eax
  mov    %r8d,%r11d
  mov    %r9d,%edx
  and    $0x1,%eax
  shr    %r10d
  add    %rbp,%r11
  mov    %r8d,0x28(%rsp)
  add    %eax,%r10d
  mov    %r11,%rdi
  mov    %r9d,0x24(%rsp)
  sub    %r10d,%edx
  mov    %r10d,%esi
  mov    %r10d,0x10(%rsp)
  mov    %edx,0x20(%rsp)
  mov    %r11,0x8(%rsp)
  call   <sortm>
  mov    0x8(%rsp),%r11
  mov    0x10(%rsp),%edi
  mov    0x20(%rsp),%edx
  mov    %edi,0x18(%rsp)
  add    %r11,%rdi
  mov    %edx,%esi
  mov    %r11,0x10(%rsp)
  mov    %edx,0x8(%rsp)
  call   <sortm>
  mov    0x8(%rsp),%edx
  mov    0x18(%rsp),%esi
  mov    0x10(%rsp),%rdi
  call   <merge@plt>
  mov    0x28(%rsp),%r8d
  mov    0x24(%rsp),%r9d
L46:
  mov    %r9d,%edx
  mov    %r8d,%esi
  mov    %rbp,%rdi
  call   <merge@plt>
L128:
  cmp    $0x1,%r15d
  jbe    L163
  mov    %r15d,%r8d
  mov    %r15d,%eax
  mov    %ebx,%r9d
  mov    %r15d,%r10d
  shr    %r8d
  and    $0x1,%eax
  add    %rbp,%r9
  add    %eax,%r8d
  sub    %r8d,%r10d
  cmp    $0x1,%r8d
  je     L245
  mov    %r8d,%r11d
  mov    %r8d,%eax
  mov    %r8d,%edx
  mov    %r9,%rdi
  and    $0x1,%eax
  shr    %r11d
  mov    %r10d,0x28(%rsp)
  add    %eax,%r11d
  mov    %r8d,0x24(%rsp)
  sub    %r11d,%edx
  mov    %r11d,%esi
  mov    %r11d,0x10(%rsp)
  mov    %edx,0x20(%rsp)
  mov    %r9,0x8(%rsp)
  call   <sortm>
  mov    0x8(%rsp),%r9
  mov    0x10(%rsp),%edi
  mov    0x20(%rsp),%edx
  mov    %edi,0x18(%rsp)
  add    %r9,%rdi
  mov    %edx,%esi
  mov    %r9,0x10(%rsp)
  mov    %edx,0x8(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%r9
  mov    0x8(%rsp),%edx
  mov    0x18(%rsp),%esi
  mov    %r9,%rdi
  mov    %r9,0x8(%rsp)
  call   <merge@plt>
  mov    0x28(%rsp),%r10d
  mov    0x24(%rsp),%r8d
  mov    0x8(%rsp),%r9
L245:
  cmp    $0x1,%r10d
  jbe    L176
  mov    %r10d,%r11d
  mov    %r10d,%edx
  mov    %r8d,%eax
  mov    %r8d,0x30(%rsp)
  and    $0x1,%edx
  shr    %r11d
  add    %r9,%rax
  mov    %r9,0x28(%rsp)
  add    %edx,%r11d
  mov    %r10d,%edx
  mov    %rax,%rdi
  mov    %r10d,0x24(%rsp)
  sub    %r11d,%edx
  mov    %r11d,%esi
  mov    %r11d,0x10(%rsp)
  mov    %edx,0x20(%rsp)
  mov    %rax,0x8(%rsp)
  call   <sortm>
  mov    0x8(%rsp),%rax
  mov    0x10(%rsp),%edi
  mov    0x20(%rsp),%edx
  mov    %edi,0x18(%rsp)
  add    %rax,%rdi
  mov    %edx,%esi
  mov    %rax,0x10(%rsp)
  mov    %edx,0x8(%rsp)
  call   <sortm>
  mov    0x8(%rsp),%edx
  mov    0x18(%rsp),%esi
  mov    0x10(%rsp),%rdi
  call   <merge@plt>
  mov    0x30(%rsp),%r8d
  mov    0x28(%rsp),%r9
  mov    0x24(%rsp),%r10d
L176:
  mov    %r10d,%edx
  mov    %r8d,%esi
  mov    %r9,%rdi
  call   <merge@plt>
L163:
  mov    %r15d,%edx
  mov    %ebx,%esi
  mov    %rbp,%rdi
  call   <merge@plt>
L81:
  cmp    $0x1,%r14d
  jbe    L167
  mov    %r14d,%r8d
  mov    %r14d,%eax
  mov    %r13d,%r15d
  and    $0x1,%eax
  shr    %r8d
  add    %rbp,%r15
  lea    (%r8,%rax,1),%ebx
  mov    %r14d,%eax
  sub    %ebx,%eax
  mov    %eax,0x8(%rsp)
  cmp    $0x1,%ebx
  je     L124
  mov    %ebx,%r9d
  mov    %ebx,%eax
  mov    %ebx,%r10d
  shr    %r9d
  and    $0x1,%eax
  add    %eax,%r9d
  sub    %r9d,%r10d
  cmp    $0x1,%r9d
  je     L102
  mov    %r9d,%r11d
  mov    %r9d,%eax
  mov    %r9d,%edx
  mov    %r15,%rdi
  and    $0x1,%eax
  shr    %r11d
  mov    %r10d,0x28(%rsp)
  add    %eax,%r11d
  mov    %r9d,0x24(%rsp)
  sub    %r11d,%edx
  mov    %r11d,%esi
  mov    %r11d,0x10(%rsp)
  mov    %edx,0x20(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%edi
  mov    0x20(%rsp),%edx
  mov    %edi,0x18(%rsp)
  mov    %edx,%esi
  add    %r15,%rdi
  mov    %edx,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%edx
  mov    0x18(%rsp),%esi
  mov    %r15,%rdi
  call   <merge@plt>
  mov    0x28(%rsp),%r10d
  mov    0x24(%rsp),%r9d
L102:
  cmp    $0x1,%r10d
  jbe    L59
  mov    %r10d,%r11d
  mov    %r10d,%edx
  mov    %r9d,%eax
  mov    %r9d,0x30(%rsp)
  and    $0x1,%edx
  shr    %r11d
  lea    (%r15,%rax,1),%r8
  mov    %r10d,0x28(%rsp)
  add    %edx,%r11d
  mov    %r10d,%edx
  mov    %r8,%rdi
  mov    %r8,0x10(%rsp)
  sub    %r11d,%edx
  mov    %r11d,%esi
  mov    %r11d,0x18(%rsp)
  mov    %edx,0x24(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%r8
  mov    0x18(%rsp),%edi
  mov    0x24(%rsp),%edx
  mov    %edi,0x20(%rsp)
  add    %r8,%rdi
  mov    %edx,%esi
  mov    %r8,0x18(%rsp)
  mov    %edx,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%edx
  mov    0x20(%rsp),%esi
  mov    0x18(%rsp),%rdi
  call   <merge@plt>
  mov    0x30(%rsp),%r9d
  mov    0x28(%rsp),%r10d
L59:
  mov    %r10d,%edx
  mov    %r9d,%esi
  mov    %r15,%rdi
  call   <merge@plt>
L124:
  mov    0x8(%rsp),%ecx
  cmp    $0x1,%ecx
  jbe    L238
  mov    %ecx,%r9d
  mov    %ecx,%eax
  mov    %ebx,%r10d
  shr    %r9d
  and    $0x1,%eax
  add    %r15,%r10
  add    %eax,%r9d
  sub    %r9d,%ecx
  mov    %ecx,%r11d
  cmp    $0x1,%r9d
  je     L60
  mov    %r9d,%eax
  mov    %r9d,%edx
  mov    %r10,%rdi
  mov    %r9d,0x28(%rsp)
  shr    %eax
  and    $0x1,%edx
  mov    %ecx,0x30(%rsp)
  lea    (%rax,%rdx,1),%r8d
  mov    %r9d,%edx
  mov    %r10,0x10(%rsp)
  sub    %r8d,%edx
  mov    %r8d,%esi
  mov    %r8d,0x18(%rsp)
  mov    %edx,0x24(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%r10
  mov    0x18(%rsp),%edi
  mov    0x24(%rsp),%edx
  mov    %edi,0x20(%rsp)
  add    %r10,%rdi
  mov    %edx,%esi
  mov    %r10,0x18(%rsp)
  mov    %edx,0x10(%rsp)
  call   <sortm>
  mov    0x18(%rsp),%r10
  mov    0x10(%rsp),%edx
  mov    0x20(%rsp),%esi
  mov    %r10,%rdi
  mov    %r10,0x10(%rsp)
  call   <merge@plt>
  mov    0x30(%rsp),%r11d
  mov    0x28(%rsp),%r9d
  mov    0x10(%rsp),%r10
L60:
  cmp    $0x1,%r11d
  jbe    L65
  mov    %r11d,%eax
  mov    %r11d,%edx
  mov    %r9d,%ecx
  mov    %r9d,0x38(%rsp)
  and    $0x1,%edx
  shr    %eax
  lea    (%r10,%rcx,1),%r8
  mov    %r10,0x30(%rsp)
  add    %edx,%eax
  mov    %r11d,%edx
  mov    %r8,%rdi
  mov    %r11d,0x28(%rsp)
  sub    %eax,%edx
  mov    %eax,%esi
  mov    %eax,0x18(%rsp)
  mov    %edx,0x24(%rsp)
  mov    %r8,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%r8
  mov    0x18(%rsp),%edi
  mov    0x24(%rsp),%edx
  mov    %edi,0x20(%rsp)
  add    %r8,%rdi
  mov    %edx,%esi
  mov    %r8,0x18(%rsp)
  mov    %edx,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%edx
  mov    0x20(%rsp),%esi
  mov    0x18(%rsp),%rdi
  call   <merge@plt>
  mov    0x38(%rsp),%r9d
  mov    0x30(%rsp),%r10
  mov    0x28(%rsp),%r11d
L65:
  mov    %r11d,%edx
  mov    %r9d,%esi
  mov    %r10,%rdi
  call   <merge@plt>
L238:
  mov    0x8(%rsp),%edx
  mov    %ebx,%esi
  mov    %r15,%rdi
  call   <merge@plt>
L167:
  mov    %r14d,%edx
  mov    %r13d,%esi
  mov    %rbp,%rdi
  call   <merge@plt>
L155:
  mov    0x4(%rsp),%ecx
  cmp    $0x1,%ecx
  jbe    L10
  mov    %ecx,%r13d
  mov    %ecx,%eax
  mov    %r12d,%r14d
  mov    %ecx,%ebx
  shr    %r13d
  and    $0x1,%eax
  add    %rbp,%r14
  add    %eax,%r13d
  sub    %r13d,%ebx
  cmp    $0x1,%r13d
  je     L218
  mov    %r13d,%r8d
  mov    %r13d,%eax
  and    $0x1,%eax
  shr    %r8d
  lea    (%r8,%rax,1),%r15d
  mov    %r13d,%eax
  sub    %r15d,%eax
  mov    %eax,0x8(%rsp)
  cmp    $0x1,%r15d
  je     L67
  mov    %r15d,%r9d
  mov    %r15d,%eax
  mov    %r15d,%r10d
  shr    %r9d
  and    $0x1,%eax
  add    %eax,%r9d
  sub    %r9d,%r10d
  cmp    $0x1,%r9d
  je     L308
  mov    %r9d,%r11d
  mov    %r9d,%eax
  mov    %r9d,%edx
  mov    %r14,%rdi
  and    $0x1,%eax
  shr    %r11d
  mov    %r10d,0x28(%rsp)
  add    %eax,%r11d
  mov    %r9d,0x24(%rsp)
  sub    %r11d,%edx
  mov    %r11d,%esi
  mov    %r11d,0x10(%rsp)
  mov    %edx,0x20(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%edi
  mov    0x20(%rsp),%edx
  mov    %edi,0x18(%rsp)
  mov    %edx,%esi
  add    %r14,%rdi
  mov    %edx,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%edx
  mov    0x18(%rsp),%esi
  mov    %r14,%rdi
  call   <merge@plt>
  mov    0x28(%rsp),%r10d
  mov    0x24(%rsp),%r9d
L308:
  cmp    $0x1,%r10d
  jbe    L231
  mov    %r10d,%r11d
  mov    %r10d,%edx
  mov    %r9d,%eax
  mov    %r9d,0x30(%rsp)
  and    $0x1,%edx
  shr    %r11d
  lea    (%r14,%rax,1),%r8
  mov    %r10d,0x28(%rsp)
  add    %edx,%r11d
  mov    %r10d,%edx
  mov    %r8,%rdi
  mov    %r8,0x10(%rsp)
  sub    %r11d,%edx
  mov    %r11d,%esi
  mov    %r11d,0x18(%rsp)
  mov    %edx,0x24(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%r8
  mov    0x18(%rsp),%edi
  mov    0x24(%rsp),%edx
  mov    %edi,0x20(%rsp)
  add    %r8,%rdi
  mov    %edx,%esi
  mov    %r8,0x18(%rsp)
  mov    %edx,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%edx
  mov    0x20(%rsp),%esi
  mov    0x18(%rsp),%rdi
  call   <merge@plt>
  mov    0x30(%rsp),%r9d
  mov    0x28(%rsp),%r10d
L231:
  mov    %r10d,%edx
  mov    %r9d,%esi
  mov    %r14,%rdi
  call   <merge@plt>
L67:
  mov    0x8(%rsp),%ecx
  cmp    $0x1,%ecx
  jbe    L282
  mov    %ecx,%r9d
  mov    %ecx,%eax
  mov    %r15d,%r10d
  shr    %r9d
  and    $0x1,%eax
  add    %r14,%r10
  add    %eax,%r9d
  sub    %r9d,%ecx
  mov    %ecx,%r11d
  cmp    $0x1,%r9d
  je     L39
  mov    %r9d,%eax
  mov    %r9d,%edx
  mov    %r10,%rdi
  mov    %r9d,0x28(%rsp)
  shr    %eax
  and    $0x1,%edx
  mov    %ecx,0x30(%rsp)
  lea    (%rax,%rdx,1),%r8d
  mov    %r9d,%edx
  mov    %r10,0x10(%rsp)
  sub    %r8d,%edx
  mov    %r8d,%esi
  mov    %r8d,0x18(%rsp)
  mov    %edx,0x24(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%r10
  mov    0x18(%rsp),%edi
  mov    0x24(%rsp),%edx
  mov    %edi,0x20(%rsp)
  add    %r10,%rdi
  mov    %edx,%esi
  mov    %r10,0x18(%rsp)
  mov    %edx,0x10(%rsp)
  call   <sortm>
  mov    0x18(%rsp),%r10
  mov    0x10(%rsp),%edx
  mov    0x20(%rsp),%esi
  mov    %r10,%rdi
  mov    %r10,0x10(%rsp)
  call   <merge@plt>
  mov    0x30(%rsp),%r11d
  mov    0x28(%rsp),%r9d
  mov    0x10(%rsp),%r10
L39:
  cmp    $0x1,%r11d
  jbe    L216
  mov    %r11d,%eax
  mov    %r11d,%edx
  mov    %r9d,%ecx
  mov    %r9d,0x38(%rsp)
  and    $0x1,%edx
  shr    %eax
  lea    (%r10,%rcx,1),%r8
  mov    %r10,0x30(%rsp)
  add    %edx,%eax
  mov    %r11d,%edx
  mov    %r8,%rdi
  mov    %r11d,0x28(%rsp)
  sub    %eax,%edx
  mov    %eax,%esi
  mov    %eax,0x18(%rsp)
  mov    %edx,0x24(%rsp)
  mov    %r8,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%r8
  mov    0x18(%rsp),%edi
  mov    0x24(%rsp),%edx
  mov    %edi,0x20(%rsp)
  add    %r8,%rdi
  mov    %edx,%esi
  mov    %r8,0x18(%rsp)
  mov    %edx,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%edx
  mov    0x20(%rsp),%esi
  mov    0x18(%rsp),%rdi
  call   <merge@plt>
  mov    0x38(%rsp),%r9d
  mov    0x30(%rsp),%r10
  mov    0x28(%rsp),%r11d
L216:
  mov    %r11d,%edx
  mov    %r9d,%esi
  mov    %r10,%rdi
  call   <merge@plt>
L282:
  mov    0x8(%rsp),%edx
  mov    %r15d,%esi
  mov    %r14,%rdi
  call   <merge@plt>
L218:
  cmp    $0x1,%ebx
  jbe    L131
  mov    %r13d,%eax
  mov    %ebx,%r8d
  lea    (%r14,%rax,1),%r15
  mov    %ebx,%eax
  shr    %r8d
  and    $0x1,%eax
  add    %eax,%r8d
  mov    %ebx,%eax
  sub    %r8d,%eax
  mov    %eax,0x8(%rsp)
  cmp    $0x1,%r8d
  je     L309
  mov    %r8d,%r9d
  mov    %r8d,%eax
  mov    %r8d,%r10d
  shr    %r9d
  and    $0x1,%eax
  add    %eax,%r9d
  sub    %r9d,%r10d
  cmp    $0x1,%r9d
  je     L83
  mov    %r9d,%r11d
  mov    %r9d,%eax
  mov    %r9d,%edx
  mov    %r15,%rdi
  and    $0x1,%eax
  shr    %r11d
  mov    %r10d,0x30(%rsp)
  add    %eax,%r11d
  mov    %r8d,0x28(%rsp)
  sub    %r11d,%edx
  mov    %r11d,%esi
  mov    %r9d,0x24(%rsp)
  mov    %r11d,0x10(%rsp)
  mov    %edx,0x20(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%edi
  mov    0x20(%rsp),%edx
  mov    %edi,0x18(%rsp)
  mov    %edx,%esi
  add    %r15,%rdi
  mov    %edx,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%edx
  mov    0x18(%rsp),%esi
  mov    %r15,%rdi
  call   <merge@plt>
  mov    0x30(%rsp),%r10d
  mov    0x28(%rsp),%r8d
  mov    0x24(%rsp),%r9d
L83:
  cmp    $0x1,%r10d
  jbe    L204
  mov    %r10d,%r11d
  mov    %r10d,%edx
  mov    %r9d,%eax
  mov    %r8d,0x38(%rsp)
  and    $0x1,%edx
  shr    %r11d
  add    %r15,%rax
  mov    %r9d,0x30(%rsp)
  add    %edx,%r11d
  mov    %r10d,%edx
  mov    %rax,%rdi
  mov    %r10d,0x28(%rsp)
  sub    %r11d,%edx
  mov    %r11d,%esi
  mov    %r11d,0x18(%rsp)
  mov    %edx,0x24(%rsp)
  mov    %rax,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%rax
  mov    0x18(%rsp),%edi
  mov    0x24(%rsp),%edx
  mov    %edi,0x20(%rsp)
  add    %rax,%rdi
  mov    %edx,%esi
  mov    %rax,0x18(%rsp)
  mov    %edx,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%edx
  mov    0x20(%rsp),%esi
  mov    0x18(%rsp),%rdi
  call   <merge@plt>
  mov    0x38(%rsp),%r8d
  mov    0x30(%rsp),%r9d
  mov    0x28(%rsp),%r10d
L204:
  mov    %r10d,%edx
  mov    %r9d,%esi
  mov    %r15,%rdi
  mov    %r8d,0x10(%rsp)
  call   <merge@plt>
  mov    0x10(%rsp),%r8d
L309:
  mov    0x8(%rsp),%ecx
  cmp    $0x1,%ecx
  jbe    L290
  mov    %ecx,%r9d
  mov    %ecx,%eax
  mov    %r8d,%r10d
  shr    %r9d
  and    $0x1,%eax
  add    %r15,%r10
  add    %eax,%r9d
  sub    %r9d,%ecx
  mov    %ecx,%r11d
  cmp    $0x1,%r9d
  je     L270
  mov    %r9d,%eax
  mov    %r9d,%edx
  mov    %r10,%rdi
  mov    %r8d,0x30(%rsp)
  and    $0x1,%edx
  shr    %eax
  mov    %r9d,0x28(%rsp)
  add    %edx,%eax
  mov    %r9d,%edx
  mov    %ecx,0x38(%rsp)
  sub    %eax,%edx
  mov    %eax,%esi
  mov    %eax,0x18(%rsp)
  mov    %edx,0x24(%rsp)
  mov    %r10,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%r10
  mov    0x18(%rsp),%edi
  mov    0x24(%rsp),%edx
  mov    %edi,0x20(%rsp)
  add    %r10,%rdi
  mov    %edx,%esi
  mov    %r10,0x18(%rsp)
  mov    %edx,0x10(%rsp)
  call   <sortm>
  mov    0x18(%rsp),%r10
  mov    0x10(%rsp),%edx
  mov    0x20(%rsp),%esi
  mov    %r10,%rdi
  mov    %r10,0x10(%rsp)
  call   <merge@plt>
  mov    0x38(%rsp),%r11d
  mov    0x30(%rsp),%r8d
  mov    0x28(%rsp),%r9d
  mov    0x10(%rsp),%r10
L270:
  cmp    $0x1,%r11d
  jbe    L292
  mov    %r11d,%eax
  mov    %r11d,%edx
  mov    %r9d,%ecx
  mov    %r8d,0x3c(%rsp)
  and    $0x1,%edx
  shr    %eax
  add    %r10,%rcx
  mov    %r9d,0x38(%rsp)
  add    %edx,%eax
  mov    %r11d,%edx
  mov    %rcx,%rdi
  mov    %r10,0x30(%rsp)
  sub    %eax,%edx
  mov    %eax,%esi
  mov    %r11d,0x28(%rsp)
  mov    %eax,0x18(%rsp)
  mov    %edx,0x24(%rsp)
  mov    %rcx,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%rcx
  mov    0x18(%rsp),%edi
  mov    0x24(%rsp),%edx
  mov    %edi,0x20(%rsp)
  add    %rcx,%rdi
  mov    %edx,%esi
  mov    %rcx,0x18(%rsp)
  mov    %edx,0x10(%rsp)
  call   <sortm>
  mov    0x10(%rsp),%edx
  mov    0x20(%rsp),%esi
  mov    0x18(%rsp),%rdi
  call   <merge@plt>
  mov    0x3c(%rsp),%r8d
  mov    0x38(%rsp),%r9d
  mov    0x30(%rsp),%r10
  mov    0x28(%rsp),%r11d
L292:
  mov    %r11d,%edx
  mov    %r9d,%esi
  mov    %r10,%rdi
  mov    %r8d,0x10(%rsp)
  call   <merge@plt>
  mov    0x10(%rsp),%r8d
L290:
  mov    0x8(%rsp),%edx
  mov    %r8d,%esi
  mov    %r15,%rdi
  call   <merge@plt>
L131:
  mov    %ebx,%edx
  mov    %r13d,%esi
  mov    %r14,%rdi
  call   <merge@plt>
L10:
  mov    0x4(%rsp),%edx
  add    $0x48,%rsp
  mov    %r12d,%esi
  mov    %rbp,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1050 <merge@plt>
  xchg   %ax,%ax
L288:
  ret
```

assistant: ```c
void sortm(unsigned char *buf, unsigned n) {
  if (n < 2)
    return;
  unsigned nl = n / 2 + n % 2;
  unsigned nr = n - nl;
  sortm(buf, nl);
  sortm(buf + nl, nr);
  merge(buf, nl, nr);
}
```