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

```asm
<insert_l_be_shifted>:
  endbr64
  push   %r13
  mov    %edx,%r13d
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  mov    %ecx,%edi
  push   %rbx
  mov    %esi,%ebx
  lea    (%rbx,%r13,1),%r12d
  sub    $0x48,%rsp
  mov    %ecx,0xc(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  call   <ojp_ntohl@plt>
  lea    0x20(%rsp),%rdi
  mov    $0x5,%edx
  xor    %esi,%esi
  mov    %eax,0xc(%rsp)
  call   <memset@plt>
  lea    0xc(%rsp),%rsi
  mov    $0x4,%edx
  lea    0x10(%rsp),%rdi
  call   <memcpy@plt>
  mov    %r12d,%edi
  call   <get_local_offset@plt>
  mov    $0x8,%esi
  movq   0x18(%rsp),%xmm0
  movq   0x14(%rsp),%xmm1
  mov    %eax,%edx
  sub    %eax,%esi
  mov    0x1c(%rsp),%eax
  mov    0x10(%rsp),%edi
  mov    %esi,%ecx
  pshufd $0xe1,%xmm0,%xmm0
  pshufd $0xe1,%xmm1,%xmm1
  sub    %edx,%r13d
  shl    %cl,%eax
  mov    %edi,%r8d
  mov    %edx,%ecx
  mov    %eax,0x30(%rsp)
  movslq %edx,%rax
  sar    %cl,%r8d
  mov    $0x5,%edx
  movq   %rax,%xmm3
  movslq %esi,%rax
  movq   %rax,%xmm4
  mov    0x14(%rsp),%eax
  psrad  %xmm3,%xmm0
  pslld  %xmm4,%xmm1
  sar    %cl,%eax
  mov    %esi,%ecx
  shl    %cl,%edi
  por    %xmm1,%xmm0
  lea    0x7(%r13),%ecx
  pshufd $0xe1,%xmm0,%xmm0
  or     %edi,%eax
  sar    $0x3,%ecx
  movd   %eax,%xmm5
  movq   %xmm0,0x28(%rsp)
  lea    0x1(%rcx),%esi
  mov    %ebx,%eax
  movd   %r8d,%xmm0
  sub    %esi,%edx
  sar    $0x3,%eax
  punpckldq %xmm5,%xmm0
  movq   %xmm0,0x20(%rsp)
  cmp    $0x4,%edx
  ja     L36
  mov    $0x6,%edi
  sub    %esi,%edi
  cmp    $0x5,%edi
  mov    $0x1,%edi
  cmova  %edi,%esi
  ja     L46
  cmp    $0x2,%ecx
  jbe    L46
  movslq %eax,%rcx
  movslq %edx,%rdi
  lea    0x0(%rbp,%rcx,4),%rcx
  movdqu 0x20(%rsp,%rdi,4),%xmm0
  movdqu (%rcx),%xmm2
  por    %xmm2,%xmm0
  movups %xmm0,(%rcx)
  mov    %esi,%ecx
  and    $0xfffffffc,%ecx
  mov    %ecx,%r9d
  lea    (%rdx,%rcx,1),%edi
  cmp    %ecx,%esi
  je     L36
L37:
  sub    %ecx,%esi
  mov    %esi,%r8d
  cmp    $0x1,%esi
  je     L58
  movslq %eax,%rsi
  add    %rcx,%rsi
  lea    0x0(%rbp,%rsi,4),%r10
  movslq %edx,%rsi
  mov    %r8d,%edx
  add    %rsi,%rcx
  movq   (%r10),%xmm1
  and    $0xfffffffe,%edx
  movq   0x20(%rsp,%rcx,4),%xmm0
  add    %edx,%edi
  add    %edx,%r9d
  por    %xmm1,%xmm0
  movq   %xmm0,(%r10)
  cmp    %edx,%r8d
  je     L36
L58:
  add    %r9d,%eax
  movslq %edi,%rdx
  cltq
  mov    0x20(%rsp,%rdx,4),%edx
  or     %edx,0x0(%rbp,%rax,4)
L36:
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L62
  add    $0x48,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  xchg   %ax,%ax
L46:
  mov    %edx,%edi
  xor    %ecx,%ecx
  xor    %r9d,%r9d
  jmp    L37
L62:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
uint32_t insert_l_be_shifted(uint8_t *bufferOut, uint32_t bitOffset, uint32_t bitSize, uint32_t val) {
  int ii;
  uint32_t jj;
  uint32_t o;
  uint8_t arrayval[sizeof(val)];
  uint8_t result[sizeof(val) + 1];
  uint8_t sl;
  uint32_t bytes;
  val = ojp_ntohl(val);
  memset(result, 0, sizeof(val) + 1);
  memcpy(arrayval, &val, sizeof(val));
  sl = get_local_offset(bitOffset + bitSize);
  result[sizeof(val)] = arrayval[sizeof(val) - 1] << (8 - sl);
  for (ii = sizeof(val) - 1; ii >= 1; --ii) {
    result[ii] = (arrayval[ii] >> sl) | (arrayval[ii - 1] << (8 - sl));
  }
  result[0] = arrayval[0] >> sl;
  jj = 0;
  o = bitOffset >> 3;
  bytes = ((bitSize + (7 - sl)) >> 3) + 1;
  for (ii = sizeof(val) + 1 - bytes; ii < sizeof(val) + 1; ++ii) {
    bufferOut[o + jj] |= result[ii];
    ++jj;
  }
  return bitOffset + bitSize;
}
```