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

```asm
<loop_w_3>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    -0x20000(%rsp),%r11
L105:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L105
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x5,-0x20018(%rbp)
  movl   $0x0,-0x20030(%rbp)
  jmp    L83
L121:
  mov    -0x20030(%rbp),%eax
  cltq
  mov    -0x20030(%rbp),%edx
  mov    %edx,-0x20010(%rbp,%rax,4)
  addl   $0x1,-0x20030(%rbp)
L83:
  cmpl   $0x7fff,-0x20030(%rbp)
  jle    L121
  movl   $0x0,-0x20030(%rbp)
  jmp    L106
L157:
  movl   $0x0,-0x2002c(%rbp)
  jmp    L4
L40:
  mov    -0x2002c(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  xor    -0x20030(%rbp),%eax
  mov    %eax,-0x20018(%rbp)
  movl   $0x0,-0x20028(%rbp)
  jmp    L156
L168:
  mov    -0x20030(%rbp),%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x2002c(%rbp),%eax
  add    %edx,%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x20028(%rbp),%eax
  add    %edx,%eax
  cltq
  mov    -0x20010(%rbp,%rax,4),%ecx
  mov    -0x20018(%rbp),%eax
  imul   -0x20028(%rbp),%eax
  mov    %eax,%edx
  mov    -0x20030(%rbp),%eax
  shl    $0x5,%eax
  mov    %eax,%esi
  mov    -0x2002c(%rbp),%eax
  add    %esi,%eax
  shl    $0x5,%eax
  mov    %eax,%esi
  mov    -0x20028(%rbp),%eax
  add    %esi,%eax
  add    %ecx,%edx
  cltq
  mov    %edx,-0x20010(%rbp,%rax,4)
  addl   $0x1,-0x20028(%rbp)
L156:
  cmpl   $0x1f,-0x20028(%rbp)
  jle    L168
  addl   $0x1,-0x2002c(%rbp)
L4:
  cmpl   $0x1f,-0x2002c(%rbp)
  jle    L40
  movl   $0x0,-0x2002c(%rbp)
  jmp    L119
L163:
  mov    -0x2002c(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  or     -0x20030(%rbp),%eax
  mov    %eax,-0x20018(%rbp)
  movl   $0x0,-0x20024(%rbp)
  jmp    L182
L97:
  mov    -0x20030(%rbp),%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x2002c(%rbp),%eax
  add    %edx,%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x20024(%rbp),%eax
  add    %edx,%eax
  cltq
  mov    -0x20010(%rbp,%rax,4),%ecx
  mov    -0x20018(%rbp),%eax
  imul   -0x20024(%rbp),%eax
  mov    %eax,%edx
  mov    -0x20030(%rbp),%eax
  shl    $0x5,%eax
  mov    %eax,%esi
  mov    -0x2002c(%rbp),%eax
  add    %esi,%eax
  shl    $0x5,%eax
  mov    %eax,%esi
  mov    -0x20024(%rbp),%eax
  add    %esi,%eax
  add    %ecx,%edx
  cltq
  mov    %edx,-0x20010(%rbp,%rax,4)
  addl   $0x1,-0x20024(%rbp)
L182:
  cmpl   $0x1f,-0x20024(%rbp)
  jle    L97
  addl   $0x1,-0x2002c(%rbp)
L119:
  cmpl   $0x1f,-0x2002c(%rbp)
  jle    L163
  addl   $0x1,-0x20030(%rbp)
L106:
  cmpl   $0x1f,-0x20030(%rbp)
  jle    L157
  movl   $0x0,-0x20030(%rbp)
  jmp    L123
L141:
  movl   $0x0,-0x20020(%rbp)
  jmp    L93
L10:
  movl   $0x0,-0x2001c(%rbp)
  jmp    L71
L53:
  mov    -0x20030(%rbp),%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x20020(%rbp),%eax
  add    %edx,%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x2001c(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x20014(%rbp)
  mov    -0x20014(%rbp),%eax
  cltq
  mov    -0x20010(%rbp,%rax,4),%ecx
  mov    -0x20020(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  xor    -0x20030(%rbp),%eax
  imul   -0x2001c(%rbp),%eax
  mov    %eax,%edx
  mov    -0x20014(%rbp),%eax
  lea    (%rdx,%rax,1),%esi
  mov    -0x20020(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  or     -0x20030(%rbp),%eax
  imul   -0x2001c(%rbp),%eax
  add    %esi,%eax
  cmp    %eax,%ecx
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  addl   $0x1,-0x2001c(%rbp)
L71:
  cmpl   $0x1f,-0x2001c(%rbp)
  jle    L53
  addl   $0x1,-0x20020(%rbp)
L93:
  cmpl   $0x1f,-0x20020(%rbp)
  jle    L10
  addl   $0x1,-0x20030(%rbp)
L123:
  cmpl   $0x1f,-0x20030(%rbp)
  jle    L141
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L162
  call   <__stack_chk_fail@plt>
L162:
  leave
  ret
```

assistant: ```c
void loop_w_3() {
  int x = 5, i, arr[32 * 32 * 32];
  for (i = 0; i < 32 * 32 * 32; i++)
    arr[i] = i;
#pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32)
  {
    int j;
#pragma acc loop gang
    for (i = 0; i < 32; i++) {
#pragma acc loop worker private(x)
      for (j = 0; j < 32; j++) {
        int k;
        x = i ^ j * 3;
#pragma acc loop vector
        for (k = 0; k < 32; k++)
          arr[i * 1024 + j * 32 + k] += x * k;
      }
#pragma acc loop worker private(x)
      for (j = 0; j < 32; j++) {
        int k;
        x = i | j * 5;
#pragma acc loop vector
        for (k = 0; k < 32; k++)
          arr[i * 1024 + j * 32 + k] += x * k;
      }
    }
  }
  for (i = 0; i < 32; i++)
    for (int j = 0; j < 32; j++)
      for (int k = 0; k < 32; k++) {
        int idx = i * 1024 + j * 32 + k;
        assert(arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k);
      }
}
```