user: 下面的汇编指令对应的C源代码是什么:

```asm
<filesize_str>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    $0xc,%edi
  call   <xmalloc@plt>
  mov    %rax,%rbp
  mov    %rbx,%rax
  shr    $0x28,%rax
  jne    L8
  cmp    $0x3fffffff,%rbx
  ja     L17
  cmp    $0xfffff,%rbx
  ja     L49
  cmp    $0x3ff,%rbx
  jbe    L78
  test   %rbx,%rbx
  js     L67
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
L147:
  mulsd  D13(%rip),%xmm0
  lea    D87(%rip),%rdx
  mov    $0xc,%esi
  mov    %rbp,%rdi
  call   <snprintf@plt>
  jmp    L127
L8:
  test   %rbx,%rbx
  js     L9
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
L90:
  mulsd  D11(%rip),%xmm0
  lea    D0(%rip),%rdx
  mov    $0xc,%esi
  mov    %rbp,%rdi
  call   <snprintf@plt>
L127:
  mov    %rbp,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L9:
  mov    %rbx,%rax
  shr    %rax
  and    $0x1,%ebx
  or     %rbx,%rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L90
L17:
  test   %rbx,%rbx
  js     L63
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
L132:
  mulsd  D35(%rip),%xmm0
  lea    D55(%rip),%rdx
  mov    $0xc,%esi
  mov    %rbp,%rdi
  call   <snprintf@plt>
  jmp    L127
L63:
  mov    %rbx,%rax
  shr    %rax
  and    $0x1,%ebx
  or     %rbx,%rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L132
L49:
  test   %rbx,%rbx
  js     L71
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
L14:
  mulsd  D16(%rip),%xmm0
  lea    D10(%rip),%rdx
  mov    $0xc,%esi
  mov    %rbp,%rdi
  call   <snprintf@plt>
  jmp    L127
L71:
  mov    %rbx,%rax
  shr    %rax
  and    $0x1,%ebx
  or     %rbx,%rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L14
L67:
  mov    %rbx,%rax
  shr    %rax
  and    $0x1,%ebx
  or     %rbx,%rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L147
L78:
  test   %rbx,%rbx
  js     L165
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
L172:
  lea    D80(%rip),%rdx
  mov    $0xc,%esi
  mov    %rbp,%rdi
  call   <snprintf@plt>
  jmp    L127
L165:
  mov    %rbx,%rax
  shr    %rax
  and    $0x1,%ebx
  or     %rbx,%rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L172
```

tool_calls: name: retrieve_data
arguments: data_tag: D13
type_infered: byte[8]
name: retrieve_data
arguments: data_tag: D87
type_infered: string
name: retrieve_data
arguments: data_tag: D11
type_infered: byte[8]
name: retrieve_data
arguments: data_tag: D0
type_infered: string
name: retrieve_data
arguments: data_tag: D35
type_infered: byte[8]
name: retrieve_data
arguments: data_tag: D55
type_infered: string
name: retrieve_data
arguments: data_tag: D16
type_infered: byte[8]
name: retrieve_data
arguments: data_tag: D10
type_infered: string
name: retrieve_data
arguments: data_tag: D80
type_infered: string

tool: {"D13": [0x00,0x00,0x00,0x00,0x00,0x00,0x50,0x3f]}

tool: D87: %.2f KiB

tool: {"D11": [0x00,0x00,0x00,0x00,0x00,0x00,0x70,0x3d]}

tool: D0: %.2f TiB

tool: {"D35": [0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x3e]}

tool: D55: %.2f GiB

tool: {"D16": [0x00,0x00,0x00,0x00,0x00,0x00,0xb0,0x3e]}

tool: D10: %.2f MiB

tool: D80: %.1f   B

assistant: ```c
char *filesize_str(unsigned long long log_size) {
  char *size = xmalloc(sizeof(char) * 12);
  if (log_size >= 1099511627776LL)
    snprintf(size, 12, "%.2f TiB", (double)(log_size) / 1099511627776LL);
  else if (log_size >= 1073741824)
    snprintf(size, 12, "%.2f GiB", (double)(log_size) / 1073741824);
  else if (log_size >= 1048576)
    snprintf(size, 12, "%.2f MiB", (double)(log_size) / 1048576);
  else if (log_size >= 1024)
    snprintf(size, 12, "%.2f KiB", (double)(log_size) / 1024);
  else
    snprintf(size, 12, "%.1f   B", (double)(log_size));
  return size;
}
```