user: 下面的汇编指令对应的C源代码是什么:

```asm
<timename>:
  endbr64
  push   %rbp
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  push   %rbx
  cvtsi2sd %esi,%xmm0
  mov    %rcx,%rbx
  cvtsi2sd %edx,%xmm1
  sub    $0x8,%rsp
  movq   D47(%rip),%xmm4
  movsd  D2(%rip),%xmm6
  mulsd  D36(%rip),%xmm0
  addsd  %xmm1,%xmm0
  mulsd  D35(%rip),%xmm0
  divsd  D87(%rip),%xmm0
  addsd  D38(%rip),%xmm0
  movapd %xmm0,%xmm1
  andpd  %xmm4,%xmm1
  ucomisd %xmm1,%xmm6
  jbe    L12
  cvttsd2si %xmm0,%rax
  pxor   %xmm1,%xmm1
  movsd  D8(%rip),%xmm5
  movapd %xmm4,%xmm2
  andnpd %xmm0,%xmm2
  cvtsi2sd %rax,%xmm1
  movapd %xmm1,%xmm3
  cmpnlesd %xmm0,%xmm3
  andpd  %xmm5,%xmm3
  subsd  %xmm3,%xmm1
  orpd   %xmm2,%xmm1
  movapd %xmm1,%xmm0
L12:
  movsd  D50(%rip),%xmm3
  movsd  D8(%rip),%xmm7
  lea    0xb(%rbx),%rax
  lea    0x3(%rbx),%r8
  xchg   %ax,%ax
L39:
  movapd %xmm0,%xmm1
  divsd  %xmm3,%xmm0
  movapd %xmm0,%xmm2
  andpd  %xmm4,%xmm2
  ucomisd %xmm2,%xmm6
  jbe    L25
  cvttsd2si %xmm0,%rdx
  pxor   %xmm2,%xmm2
  cvtsi2sd %rdx,%xmm2
  movapd %xmm2,%xmm5
  cmpnlesd %xmm0,%xmm5
  andpd  %xmm7,%xmm5
  subsd  %xmm5,%xmm2
  movapd %xmm4,%xmm5
  andnpd %xmm0,%xmm5
  orpd   %xmm5,%xmm2
  movapd %xmm2,%xmm0
L25:
  movapd %xmm0,%xmm2
  mulsd  %xmm3,%xmm2
  subsd  %xmm2,%xmm1
  cvttsd2si %xmm1,%ecx
  cmp    $0x9,%ecx
  lea    0x30(%rcx),%esi
  lea    0x57(%rcx),%edx
  cmovle %esi,%edx
  sub    $0x1,%rax
  mov    %dl,0x1(%rax)
  cmp    %r8,%rax
  jne    L39
  add    $0x16356b,%edi
  mov    %rax,%rbp
L36:
  mov    $0x24,%esi
  call   <ldiv@plt>
  mov    %eax,%edi
  sar    $0x20,%rax
  lea    0x30(%rax),%ecx
  lea    0x57(%rax),%edx
  cmp    $0x9,%eax
  mov    %ecx,%eax
  cmovg  %edx,%eax
  mov    %al,0x0(%rbp)
  lea    -0x1(%rbp),%rax
  cmp    %rbx,%rbp
  je     L37
  mov    %rax,%rbp
  jmp    L36
  nopl   (%rax)
L37:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D47
type_guessed: byte[8]
name: unpack_data
arguments: data_label: D2
type_guessed: byte[8]
name: unpack_data
arguments: data_label: D36
type_guessed: f64
name: unpack_data
arguments: data_label: D35
type_guessed: byte[8]
name: unpack_data
arguments: data_label: D87
type_guessed: f64
name: unpack_data
arguments: data_label: D38
type_guessed: f64
name: unpack_data
arguments: data_label: D8
type_guessed: byte[8]
name: unpack_data
arguments: data_label: D50
type_guessed: f64

tool: {"D47": [0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f]}

tool: {"D2": [0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x43]}

tool: D36: 1000000000

tool: {"D35": [0x00,0x00,0x00,0x08,0xba,0x86,0x84,0x42]}

tool: D87: 86400000000000

tool: D38: 0.5

tool: {"D8": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

tool: D50: 36

assistant: ```c
void timename(int days, int secs, int nanosecs, char *str) {
  double ntime;
  ldiv_t d;
  int i;
  ntime = (double)secs * 1E9 + (double)nanosecs;
  ntime = (ntime * (36.0 * 36.0 * 36.0 * 36.0 * 36.0 * 36.0 * 36.0 * 36.0)) / 86400E9;
  ntime = floor(ntime + 0.5);
  for (i = 11; i >= 4; i--) {
    double _d = floor(ntime / 36.0);
    int rem = (int)(floor(ntime - (_d * 36.0)));
    str[i] = rem < 10 ? '0' + rem : 'a' + rem - 10;
    ntime = _d;
  }
  d.quot = days + (25 * 365 + 6) + (31 * 36 * 36 * 36);
  for (i = 4; i--;) {
    d = ldiv(d.quot, 36);
    str[i] = d.rem < 10 ? '0' + (char)d.rem : 'a' + (char)d.rem - 10;
  }
}
```