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

```asm
<jerasure_generate_schedule_cache>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x78,%rsp
  mov    %edx,0xc(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  cmp    $0x2,%esi
  jne    L74
  lea    0x2(%rdi),%ebx
  mov    %edi,%ebp
  lea    0x3(%rdi),%edi
  mov    %rcx,%r13
  imul   %ebx,%edi
  mov    %r8d,%r14d
  shl    $0x3,%edi
  call   <malloc@plt>
  mov    %rax,0x38(%rsp)
  test   %rax,%rax
  je     L74
  test   %ebx,%ebx
  jle    L18
  movslq %ebx,%rbx
  mov    0x38(%rsp),%rdi
  movl   $0x0,0x5c(%rsp)
  lea    0x5c(%rsp),%r8
  lea    0x8(,%rbx,8),%rax
  mov    %ebp,0x18(%rsp)
  mov    %r8,%r15
  mov    %rax,0x48(%rsp)
  lea    0x0(,%rbx,8),%rax
  mov    %rax,%rsi
  mov    %rax,0x10(%rsp)
  mov    %rdi,%rax
  add    %rsi,%rax
  mov    %rdi,0x28(%rsp)
  mov    %rax,0x30(%rsp)
  lea    0x1(%rbp),%eax
  movq   $0x1,0x20(%rsp)
  add    $0x1,%rax
  mov    %rax,0x40(%rsp)
  nopl   0x0(%rax)
L64:
  mov    0xc(%rsp),%edx
  mov    0x18(%rsp),%edi
  mov    %r13,%rcx
  mov    %r14d,%r9d
  mov    %r15,%r8
  mov    $0x2,%esi
  movl   $0xffffffff,0x60(%rsp)
  call   <jerasure_generate_decoding_schedule@plt>
  mov    0x28(%rsp),%rdx
  mov    0x40(%rsp),%rcx
  mov    %rax,(%rdx)
  cmp    %rcx,0x20(%rsp)
  je     L18
  mov    0x20(%rsp),%rax
  mov    %eax,0x5c(%rsp)
  mov    %eax,0x1c(%rsp)
  test   %eax,%eax
  jle    L47
  mov    0x38(%rsp),%rax
  mov    0x20(%rsp),%rcx
  xor    %ebx,%ebx
  mov    0x30(%rsp),%r12
  lea    (%rax,%rcx,8),%rbp
  mov    %r15,%rax
  mov    %r14d,%r15d
  mov    %r13,%r14
  mov    %rax,%r13
  nopl   (%rax)
L41:
  mov    0xc(%rsp),%edx
  mov    0x18(%rsp),%edi
  mov    %r15d,%r9d
  mov    %r13,%r8
  mov    %r14,%rcx
  mov    $0x2,%esi
  mov    %ebx,0x60(%rsp)
  add    $0x8,%r12
  movl   $0xffffffff,0x64(%rsp)
  add    $0x1,%ebx
  call   <jerasure_generate_decoding_schedule@plt>
  mov    %rax,-0x8(%r12)
  mov    %rax,0x0(%rbp)
  add    0x10(%rsp),%rbp
  cmp    0x1c(%rsp),%ebx
  jne    L41
  mov    %r13,%rax
  mov    %r14,%r13
  mov    %r15d,%r14d
  mov    %rax,%r15
L47:
  mov    0x48(%rsp),%rsi
  mov    0x10(%rsp),%rdx
  addq   $0x1,0x20(%rsp)
  add    %rsi,0x28(%rsp)
  add    %rdx,0x30(%rsp)
  jmp    L64
  nopl   (%rax)
L74:
  movq   $0x0,0x38(%rsp)
L18:
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L68
  mov    0x38(%rsp),%rax
  add    $0x78,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L68:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int ***jerasure_generate_schedule_cache(int k, int m, int w, int *bitmatrix, int smart) {
  int i, tdone;
  char **ptrs;
  int **schedule;
  int ***scache;
  int erasures[3];
  int e1, e2;
  if (m != 2)
    return NULL;
  scache = (int ***)malloc(sizeof(int **) * ((k + m) * (k + m + 1)));
  if (scache == NULL)
    return NULL;
  for (e1 = 0; e1 < k + m; e1++) {
    erasures[0] = e1;
    for (e2 = 0; e2 < e1; e2++) {
      erasures[1] = e2;
      erasures[2] = -1;
      scache[e1 * (k + m) + e2] = jerasure_generate_decoding_schedule(k, m, w, bitmatrix, erasures, smart);
      scache[e2 * (k + m) + e1] = scache[e1 * (k + m) + e2];
    }
    erasures[1] = -1;
    scache[e1 * (k + m) + e1] = jerasure_generate_decoding_schedule(k, m, w, bitmatrix, erasures, smart);
  }
  return scache;
}
```