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

```asm
<QuicksortAsc>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rdx
  mov    %rdx,-0x38(%rbp)
  xor    %edx,%edx
  cmp    $0x1,%esi
  jbe    L212
  mov    %rdi,%rbx
  mov    %esi,%eax
  cmp    $0x2,%esi
  je     L141
  mov    %rsp,-0x50(%rbp)
  shr    $0x1f,%esi
  add    %eax,%esi
  sar    %esi
  movslq %esi,%rdx
  mov    (%rdi,%rdx,4),%ecx
  mov    %ecx,-0x44(%rbp)
  movslq %eax,%rdx
  shl    $0x2,%rdx
  lea    0xf(%rdx),%rcx
  mov    %rcx,%r8
  and    $0xfffffffffffffff0,%r8
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdi
  sub    %rcx,%rdi
L71:
  cmp    %rdi,%rsp
  je     L94
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L71
L141:
  mov    (%rdi),%eax
  mov    0x4(%rdi),%edx
  cmp    %edx,%eax
  jle    L212
  mov    %edx,(%rdi)
  mov    %eax,0x4(%rdi)
  jmp    L212
L94:
  mov    %r8,%rcx
  and    $0xfff,%ecx
  sub    %rcx,%rsp
  test   %rcx,%rcx
  je     L96
  orq    $0x0,-0x8(%rsp,%rcx,1)
L96:
  mov    %rsp,%r14
  add    $0xf,%rdx
  mov    %rdx,%rdi
  and    $0xfffffffffffffff0,%rdi
  and    $0xfffffffffffff000,%rdx
  mov    %rsp,%rcx
  sub    %rdx,%rcx
L44:
  cmp    %rcx,%rsp
  je     L6
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L44
L6:
  mov    %rdi,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  je     L154
  orq    $0x0,-0x8(%rsp,%rdx,1)
L154:
  mov    %rsp,%r15
  test   %eax,%eax
  jle    L192
  mov    %eax,%ecx
  mov    $0x0,%eax
  mov    $0x0,%r13d
  mov    $0x0,%r12d
  jmp    L20
L55:
  movslq %r12d,%rdi
  mov    %edx,(%r14,%rdi,4)
  lea    0x1(%r12),%r12d
L82:
  add    $0x1,%rax
  cmp    %rcx,%rax
  je     L21
L20:
  cmp    %eax,%esi
  je     L82
  mov    (%rbx,%rax,4),%edx
  cmp    -0x44(%rbp),%edx
  jge    L55
  movslq %r13d,%rdi
  mov    %edx,(%r15,%rdi,4)
  lea    0x1(%r13),%r13d
  jmp    L82
L21:
  mov    %r13d,%esi
  mov    %r15,%rdi
  call   <QuicksortAsc>
  mov    %r12d,%esi
  mov    %r14,%rdi
  call   <QuicksortAsc>
  test   %r13d,%r13d
  jle    L209
  mov    %r13d,%ecx
  mov    $0x0,%eax
L84:
  mov    (%r15,%rax,4),%edx
  mov    %edx,(%rbx,%rax,4)
  add    $0x1,%rax
  cmp    %rcx,%rax
  jne    L84
L209:
  movslq %r13d,%r13
  lea    (%rbx,%r13,4),%rcx
  mov    -0x44(%rbp),%eax
  mov    %eax,(%rcx)
  test   %r12d,%r12d
  jle    L12
  mov    %r12d,%r12d
  mov    $0x0,%eax
L91:
  mov    (%r14,%rax,4),%edx
  mov    %edx,0x4(%rcx,%rax,4)
  add    $0x1,%rax
  cmp    %r12,%rax
  jne    L91
L12:
  mov    -0x50(%rbp),%rsp
L212:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L148
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L192:
  mov    $0x0,%esi
  mov    %r15,%rdi
  call   <QuicksortAsc>
  mov    $0x0,%esi
  mov    %r14,%rdi
  call   <QuicksortAsc>
  mov    -0x44(%rbp),%eax
  mov    %eax,(%rbx)
  jmp    L12
L148:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void QuicksortAsc(int *B, int len) {
  int i;
  if ((len == 1) || (len == 0)) {
    return;
  } else if (len == 2) {
    if (B[0] > B[1]) {
      int tmp = B[0];
      B[0] = B[1];
      B[1] = tmp;
    }
    return;
  } else {
    int pivot = len / 2;
    int pivotElement = B[pivot];
    int larger[len];
    int smaller[len];
    int lCount = 0, sCount = 0;
    for (i = 0; i < len; i++) {
      if (i == pivot) {
      } else if (B[i] < B[pivot]) {
        smaller[sCount++] = B[i];
      } else {
        larger[lCount++] = B[i];
      }
    }
    QuicksortAsc(smaller, sCount);
    QuicksortAsc(larger, lCount);
    for (i = 0; i < sCount; i++) {
      B[i] = smaller[i];
    }
    B[sCount] = pivotElement;
    for (i = 0; i < lCount; i++) {
      B[i + sCount + 1] = larger[i];
    }
    return;
  }
}
```