user: Translate the below assembly code into C programming language:

```asm
<ss_inplacemerge>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,0x38(%rsp)
  mov    %rsi,0x8(%rsp)
  mov    %rdx,0x30(%rsp)
  mov    %rcx,0x18(%rsp)
  mov    %r8,%r15
  mov    %r9d,0x14(%rsp)
  jmp    L62
L47:
  not    %eax
  cltq
  mov    0x8(%rsp),%rdx
  lea    (%rdx,%rax,4),%r14
  movl   $0x1,0x24(%rsp)
  jmp    L35
L109:
  not    %esi
  movslq %esi,%rsi
  shl    $0x2,%rsi
  jmp    L133
L17:
  lea    0x4(%r12),%r13
  test   $0x1,%bl
  sete   %al
  movzbl %al,%eax
  mov    %ebp,%ebx
  sub    %eax,%ebx
L126:
  mov    %ebx,%ebp
  sar    %ebp
  test   %ebx,%ebx
  jle    L58
L111:
  movslq %ebp,%rax
  lea    0x0(%r13,%rax,4),%r12
  mov    (%r12),%esi
  test   %esi,%esi
  js     L109
  movslq %esi,%rsi
  shl    $0x2,%rsi
L133:
  add    0x8(%rsp),%rsi
  mov    0x14(%rsp),%ecx
  mov    %r14,%rdx
  mov    %r15,%rdi
  call   <ss_compare@plt>
  test   %eax,%eax
  js     L17
  mov    %eax,0x20(%rsp)
  mov    %ebp,%ebx
  jmp    L126
L58:
  mov    0x28(%rsp),%r15
  cmp    %r13,0x18(%rsp)
  jbe    L140
  cmpl   $0x0,0x20(%rsp)
  jne    L45
  notl   0x0(%r13)
L45:
  mov    %r15,%rdx
  mov    0x18(%rsp),%rbx
  mov    %rbx,%rsi
  mov    %r13,%rdi
  call   <ss_rotate@plt>
  mov    %rbx,%rax
  sub    %r13,%rax
  sub    %rax,%r15
  cmp    0x30(%rsp),%r13
  je     L168
  mov    %r13,0x18(%rsp)
L140:
  sub    $0x4,%r15
  cmpl   $0x0,0x24(%rsp)
  jne    L72
L0:
  cmp    %r15,0x18(%rsp)
  je     L168
L62:
  mov    -0x4(%r15),%eax
  test   %eax,%eax
  js     L47
  cltq
  mov    0x8(%rsp),%rcx
  lea    (%rcx,%rax,4),%r14
  movl   $0x0,0x24(%rsp)
L35:
  mov    0x18(%rsp),%rax
  mov    0x30(%rsp),%r13
  sub    %r13,%rax
  sar    $0x2,%rax
  mov    %eax,%ebx
  mov    %eax,%ebp
  sar    %ebp
  test   %eax,%eax
  jle    L99
  movl   $0xffffffff,0x20(%rsp)
  mov    %r15,0x28(%rsp)
  mov    0x38(%rsp),%r15
  jmp    L111
L72:
  sub    $0x4,%r15
  cmpl   $0x0,(%r15)
  js     L72
  jmp    L0
L99:
  mov    0x18(%rsp),%rsi
  mov    0x30(%rsp),%rdi
  cmp    %rdi,%rsi
  jbe    L140
  mov    %r15,%rdx
  call   <ss_rotate@plt>
L168:
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void ss_inplacemerge(const unsigned char *T, const int *PA, int *first, int *middle, int *last, int depth) {
  const int *p;
  int *a, *b;
  int len, half;
  int q, r;
  int x;
  for (;;) {
    if (*(last - 1) < 0) {
      x = 1;
      p = PA + ~*(last - 1);
    } else {
      x = 0;
      p = PA + *(last - 1);
    }
    for (a = first, len = middle - first, half = len >> 1, r = -1; 0 < len; len = half, half >>= 1) {
      b = a + half;
      q = ss_compare(T, PA + ((0 <= *b) ? *b : ~*b), p, depth);
      if (q < 0) {
        a = b + 1;
        half -= (len & 1) ^ 1;
      } else {
        r = q;
      }
    }
    if (a < middle) {
      if (r == 0) {
        *a = ~*a;
      }
      ss_rotate(a, middle, last);
      last -= middle - a;
      middle = a;
      if (first == middle) {
        break;
      }
    }
    --last;
    if (x != 0) {
      while (*--last < 0) {
      }
    }
    if (middle == last) {
      break;
    }
  }
}
```