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

```asm
<divConqSearch>:
  endbr64
  cmp    %ecx,%edx
  jg     L400
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
L12:
  lea    (%rcx,%rdx,1),%eax
  mov    %eax,%r11d
  shr    $0x1f,%r11d
  add    %eax,%r11d
  sar    %r11d
  movslq %r11d,%rax
  mov    %r11d,%r9d
  cmp    %r8d,(%rdi,%rax,4)
  je     L38
  jl     L363
L156:
  mov    %r11d,%ecx
  xor    %edx,%edx
  sub    $0x1,%ecx
  jns    L12
  mov    $0xffffffff,%r9d
L38:
  add    $0x28,%rsp
  mov    %r9d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L363:
  lea    0x1(%r11),%eax
  cmp    %ecx,%eax
  jg     L156
L127:
  add    %ecx,%eax
  mov    %eax,%r10d
  shr    $0x1f,%r10d
  add    %eax,%r10d
  sar    %r10d
  movslq %r10d,%rax
  cmp    (%rdi,%rax,4),%r8d
  je     L156
  jg     L6
L377:
  mov    %r10d,%ecx
  xor    %eax,%eax
  sub    $0x1,%ecx
  jns    L127
  jmp    L156
  xchg   %ax,%ax
L6:
  lea    0x1(%r10),%eax
  cmp    %ecx,%eax
  jg     L377
L190:
  add    %ecx,%eax
  mov    %eax,%r9d
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  movslq %r9d,%rax
  cmp    (%rdi,%rax,4),%r8d
  je     L377
  jg     L155
L91:
  mov    %r9d,%ecx
  xor    %eax,%eax
  sub    $0x1,%ecx
  jns    L190
  jmp    L377
  xchg   %ax,%ax
L155:
  lea    0x1(%r9),%eax
  cmp    %ecx,%eax
  jg     L91
L129:
  add    %ecx,%eax
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  sar    %r15d
  movslq %r15d,%rax
  cmp    (%rdi,%rax,4),%r8d
  je     L91
  jg     L277
L191:
  mov    %r15d,%ecx
  xor    %eax,%eax
  sub    $0x1,%ecx
  jns    L129
  jmp    L91
  xchg   %ax,%ax
L277:
  lea    0x1(%r15),%eax
  cmp    %ecx,%eax
  jg     L191
L70:
  add    %ecx,%eax
  mov    %eax,%r14d
  shr    $0x1f,%r14d
  add    %eax,%r14d
  sar    %r14d
  movslq %r14d,%rax
  cmp    (%rdi,%rax,4),%r8d
  je     L191
  jg     L39
L301:
  mov    %r14d,%ecx
  xor    %eax,%eax
  sub    $0x1,%ecx
  jns    L70
  jmp    L191
  xchg   %ax,%ax
L39:
  lea    0x1(%r14),%eax
  cmp    %ecx,%eax
  jg     L301
L349:
  add    %ecx,%eax
  mov    %eax,%r13d
  shr    $0x1f,%r13d
  add    %eax,%r13d
  sar    %r13d
  movslq %r13d,%rax
  cmp    (%rdi,%rax,4),%r8d
  je     L301
  jg     L311
L319:
  mov    %r13d,%ecx
  xor    %eax,%eax
  sub    $0x1,%ecx
  jns    L349
  jmp    L301
  xchg   %ax,%ax
L311:
  lea    0x1(%r13),%eax
  cmp    %ecx,%eax
  jg     L319
L279:
  add    %ecx,%eax
  mov    %eax,%r12d
  shr    $0x1f,%r12d
  add    %eax,%r12d
  sar    %r12d
  movslq %r12d,%rax
  cmp    (%rdi,%rax,4),%r8d
  je     L319
  jg     L46
L341:
  mov    %r12d,%ecx
  xor    %eax,%eax
  sub    $0x1,%ecx
  jns    L279
  jmp    L319
  xchg   %ax,%ax
L46:
  lea    0x1(%r12),%eax
  cmp    %ecx,%eax
  jg     L341
L275:
  add    %ecx,%eax
  mov    %eax,%ebp
  shr    $0x1f,%ebp
  add    %eax,%ebp
  sar    %ebp
  movslq %ebp,%rax
  cmp    (%rdi,%rax,4),%r8d
  je     L341
  jg     L283
L243:
  mov    %ebp,%ecx
  xor    %eax,%eax
  sub    $0x1,%ecx
  jns    L275
  jmp    L341
  nopw   0x0(%rax,%rax,1)
L283:
  lea    0x1(%rbp),%eax
  cmp    %ecx,%eax
  jg     L243
L204:
  add    %ecx,%eax
  mov    %eax,%ebx
  shr    $0x1f,%ebx
  add    %eax,%ebx
  sar    %ebx
  movslq %ebx,%rax
  cmp    (%rdi,%rax,4),%r8d
  je     L243
  jg     L57
L179:
  xor    %eax,%eax
  sub    $0x1,%ebx
  mov    %ebx,%ecx
  jns    L204
  jmp    L243
  nopl   0x0(%rax,%rax,1)
L57:
  lea    0x1(%rbx),%edx
  mov    %r9d,0x1c(%rsp)
  mov    %r10d,0x18(%rsp)
  mov    %r11d,0x14(%rsp)
  mov    %r8d,0x10(%rsp)
  mov    %esi,0xc(%rsp)
  mov    %rdi,(%rsp)
  call   <divConqSearch>
  mov    0x1c(%rsp),%r9d
  mov    0x18(%rsp),%r10d
  mov    0x14(%rsp),%r11d
  mov    0x10(%rsp),%r8d
  mov    0xc(%rsp),%esi
  mov    (%rsp),%rdi
  jmp    L179
L400:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int divConqSearch(int A[], int n, int start, int end, int key) {
  if (start > end)
    return -1;
  int mid = (start + end) / 2;
  if (key == A[mid])
    return mid;
  if (key > A[mid])
    divConqSearch(A, n, mid + 1, end, key);
  divConqSearch(A, n, 0, mid - 1, key);
}
```