user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<__msort>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    -0x4000(%rsp),%r11
L150:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L150
  sub    $0xed8,%rsp
  mov    %rsi,0x20(%rsp)
  movslq %edx,%r12
  mov    %rdi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x4ec8(%rsp)
  xor    %eax,%eax
  cmp    %ecx,%r12d
  je     L67
  lea    (%r12,%rcx,1),%edx
  mov    %ecx,%ebx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  mov    %eax,0xc(%rsp)
  cmp    %eax,%r12d
  je     L7
  add    %r12d,%eax
  mov    %eax,%r13d
  shr    $0x1f,%r13d
  add    %eax,%r13d
  sar    %r13d
  cmp    %r13d,%r12d
  je     L299
  lea    (%r12,%r13,1),%eax
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  sar    %r15d
  cmp    %r15d,%r12d
  je     L120
  lea    (%r12,%r15,1),%eax
  mov    %eax,%r9d
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  cmp    %r9d,%r12d
  je     L265
  lea    (%r12,%r9,1),%eax
  lea    0x3f20(%rsp),%r11
  mov    %r12d,%edx
  mov    %r9d,0x30(%rsp)
  mov    %eax,%r10d
  mov    %r11,%rsi
  mov    %r11,0x18(%rsp)
  lea    0x2f70(%rsp),%r14
  shr    $0x1f,%r10d
  add    %eax,%r10d
  sar    %r10d
  mov    %r10d,%ecx
  mov    %r10d,0x10(%rsp)
  call   <__msort>
  mov    0x10(%rsp),%r10d
  mov    0x30(%rsp),%r9d
  mov    %rbp,%rdi
  mov    0x18(%rsp),%rsi
  mov    %r9d,%ecx
  lea    0x1(%r10),%edx
  mov    %r9d,0x10(%rsp)
  mov    %r10d,0x28(%rsp)
  call   <__msort>
  mov    0x10(%rsp),%r8d
  mov    %r12d,%edx
  mov    %r14,%rsi
  mov    0x28(%rsp),%ecx
  mov    0x18(%rsp),%rdi
  call   <__merge@plt>
  mov    0x10(%rsp),%r9d
L142:
  lea    0x1(%r9),%r11d
  cmp    %r11d,%r15d
  je     L118
  lea    (%r15,%r11,1),%eax
  mov    %r11d,%edx
  mov    %rbp,%rdi
  mov    %r9d,0x30(%rsp)
  mov    %eax,%r10d
  mov    %r11d,0x28(%rsp)
  shr    $0x1f,%r10d
  add    %eax,%r10d
  lea    0x3f20(%rsp),%rax
  sar    %r10d
  mov    %rax,%rsi
  mov    %rax,0x10(%rsp)
  mov    %r10d,%ecx
  mov    %r10d,0x18(%rsp)
  call   <__msort>
  mov    0x18(%rsp),%r10d
  mov    %r15d,%ecx
  mov    %rbp,%rdi
  mov    0x10(%rsp),%rsi
  lea    0x1(%r10),%edx
  call   <__msort>
  mov    0x18(%rsp),%ecx
  mov    0x28(%rsp),%edx
  mov    %r15d,%r8d
  mov    0x10(%rsp),%rdi
  mov    %r14,%rsi
  call   <__merge@plt>
  mov    0x30(%rsp),%r9d
L59:
  mov    %r15d,%r8d
  mov    %r9d,%ecx
  mov    %r12d,%edx
  mov    %r14,%rdi
  lea    0x1fc0(%rsp),%rax
  mov    %rax,%rsi
  mov    %rax,0x38(%rsp)
  call   <__merge@plt>
L357:
  lea    0x1(%r15),%r9d
  cmp    %r9d,%r13d
  je     L48
  lea    0x0(%r13,%r9,1),%eax
  mov    %r9d,%edx
  mov    %rbp,%rdi
  mov    %r9d,0x18(%rsp)
  mov    %eax,%r14d
  lea    0x3f20(%rsp),%r11
  shr    $0x1f,%r14d
  mov    %r11,%rsi
  mov    %r11,0x10(%rsp)
  add    %eax,%r14d
  sar    %r14d
  mov    %r14d,%ecx
  call   <__msort>
  mov    0x10(%rsp),%rsi
  mov    %r13d,%ecx
  mov    %rbp,%rdi
  lea    0x1(%r14),%edx
  call   <__msort>
  mov    0x18(%rsp),%edx
  mov    %r13d,%r8d
  mov    %r14d,%ecx
  mov    0x38(%rsp),%rsi
  mov    0x10(%rsp),%rdi
  call   <__merge@plt>
L311:
  mov    0x38(%rsp),%rdi
  mov    %r13d,%r8d
  mov    %r15d,%ecx
  mov    %r12d,%edx
  lea    0x1010(%rsp),%rax
  mov    %rax,%rsi
  mov    %rax,0x18(%rsp)
  call   <__merge@plt>
  lea    0x1(%r13),%r9d
  cmp    %r9d,0xc(%rsp)
  je     L351
L181:
  mov    0xc(%rsp),%eax
  add    %r9d,%eax
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  sar    %r15d
  cmp    %r15d,%r9d
  je     L146
  lea    (%r9,%r15,1),%eax
  mov    %r9d,%edx
  mov    %rbp,%rdi
  mov    %r9d,0x30(%rsp)
  mov    %eax,%r10d
  lea    0x3f20(%rsp),%r11
  lea    0x2f70(%rsp),%r14
  shr    $0x1f,%r10d
  mov    %r11,%rsi
  mov    %r11,0x28(%rsp)
  add    %eax,%r10d
  sar    %r10d
  mov    %r10d,%ecx
  mov    %r10d,0x10(%rsp)
  call   <__msort>
  mov    0x10(%rsp),%r10d
  mov    %r15d,%ecx
  mov    %rbp,%rdi
  mov    0x28(%rsp),%rsi
  lea    0x1(%r10),%edx
  call   <__msort>
  mov    0x30(%rsp),%r9d
  mov    %r15d,%r8d
  mov    %r14,%rsi
  mov    0x10(%rsp),%ecx
  mov    0x28(%rsp),%rdi
  mov    %r9d,%edx
  mov    %r9d,0x10(%rsp)
  call   <__merge@plt>
  mov    0x10(%rsp),%r9d
L226:
  lea    0x1(%r15),%r11d
  cmp    %r11d,0xc(%rsp)
  je     L80
  mov    0xc(%rsp),%eax
  mov    %r11d,%edx
  mov    %rbp,%rdi
  mov    %r9d,0x38(%rsp)
  mov    %r11d,0x30(%rsp)
  add    %r11d,%eax
  mov    %eax,%r10d
  shr    $0x1f,%r10d
  add    %eax,%r10d
  lea    0x3f20(%rsp),%rax
  sar    %r10d
  mov    %rax,%rsi
  mov    %rax,0x10(%rsp)
  mov    %r10d,%ecx
  mov    %r10d,0x28(%rsp)
  call   <__msort>
  mov    0x28(%rsp),%r10d
  mov    0xc(%rsp),%ecx
  mov    %rbp,%rdi
  mov    0x10(%rsp),%rsi
  lea    0x1(%r10),%edx
  call   <__msort>
  mov    0x28(%rsp),%ecx
  mov    0x30(%rsp),%edx
  mov    %r14,%rsi
  mov    0xc(%rsp),%r8d
  mov    0x10(%rsp),%rdi
  call   <__merge@plt>
  mov    0x38(%rsp),%r9d
L383:
  mov    0xc(%rsp),%r8d
  mov    0x18(%rsp),%rsi
  mov    %r15d,%ecx
  mov    %r9d,%edx
  mov    %r14,%rdi
  call   <__merge@plt>
L113:
  mov    0xc(%rsp),%r8d
  mov    0x18(%rsp),%rdi
  mov    %r13d,%ecx
  mov    %r12d,%edx
  lea    0x60(%rsp),%rsi
  mov    %rsi,0x30(%rsp)
  call   <__merge@plt>
  mov    0xc(%rsp),%eax
  lea    0x1(%rax),%r13d
  cmp    %ebx,%r13d
  jne    L184
L171:
  movslq %ebx,%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x60(%rsp,%rax,4)
L217:
  mov    0xc(%rsp),%ecx
  mov    0x20(%rsp),%rsi
  mov    %ebx,%r8d
  mov    %r12d,%edx
  mov    0x30(%rsp),%rdi
  call   <__merge@plt>
  jmp    L94
  nopl   0x0(%rax,%rax,1)
L7:
  movslq %r12d,%rax
  mov    (%rdi,%rax,4),%edx
  mov    %edx,0x60(%rsp,%rax,4)
  lea    0x60(%rsp),%rax
  mov    %rax,0x30(%rsp)
  mov    0xc(%rsp),%eax
  lea    0x1(%rax),%r13d
  cmp    %ebx,%r13d
  je     L171
L184:
  lea    0x0(%r13,%rbx,1),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  mov    %eax,0x10(%rsp)
  cmp    %eax,%r13d
  je     L76
  add    %r13d,%eax
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  sar    %r15d
  cmp    %r15d,%r13d
  je     L359
  lea    0x0(%r13,%r15,1),%eax
  lea    0x3f20(%rsp),%r10
  mov    %r13d,%edx
  mov    %rbp,%rdi
  mov    %eax,%r9d
  mov    %r10,%rsi
  mov    %r10,0x18(%rsp)
  lea    0x2f70(%rsp),%r14
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  mov    %r9d,%ecx
  mov    %r9d,0x28(%rsp)
  call   <__msort>
  mov    0x28(%rsp),%r9d
  mov    %r15d,%ecx
  mov    %rbp,%rdi
  mov    0x18(%rsp),%rsi
  lea    0x1(%r9),%edx
  call   <__msort>
  mov    0x28(%rsp),%ecx
  mov    %r15d,%r8d
  mov    %r13d,%edx
  mov    0x18(%rsp),%rdi
  mov    %r14,%rsi
  call   <__merge@plt>
L321:
  lea    0x1(%r15),%r10d
  cmp    %r10d,0x10(%rsp)
  je     L397
  mov    0x10(%rsp),%eax
  mov    %r10d,%edx
  mov    %rbp,%rdi
  mov    %r10d,0x38(%rsp)
  lea    0x3f20(%rsp),%r11
  add    %r10d,%eax
  mov    %r11,%rsi
  mov    %r11,0x18(%rsp)
  mov    %eax,%r9d
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  mov    %r9d,%ecx
  mov    %r9d,0x28(%rsp)
  call   <__msort>
  mov    0x28(%rsp),%r9d
  mov    0x10(%rsp),%ecx
  mov    %rbp,%rdi
  mov    0x18(%rsp),%rsi
  lea    0x1(%r9),%edx
  call   <__msort>
  mov    0x28(%rsp),%ecx
  mov    0x38(%rsp),%edx
  mov    %r14,%rsi
  mov    0x10(%rsp),%r8d
  mov    0x18(%rsp),%rdi
  call   <__merge@plt>
L110:
  mov    0x10(%rsp),%r8d
  mov    %r15d,%ecx
  mov    %r13d,%edx
  mov    %r14,%rdi
  lea    0x1010(%rsp),%rax
  mov    %rax,%rsi
  mov    %rax,0x18(%rsp)
  call   <__merge@plt>
  mov    0x10(%rsp),%eax
  lea    0x1(%rax),%r10d
  cmp    %r10d,%ebx
  je     L316
L388:
  lea    (%rbx,%r10,1),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  mov    %eax,0x28(%rsp)
  cmp    %eax,%r10d
  je     L245
  lea    (%r10,%rax,1),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  mov    %eax,%r11d
  cmp    %eax,%r10d
  je     L425
  lea    (%r10,%rax,1),%eax
  mov    %r10d,%edx
  mov    %rbp,%rdi
  mov    %r11d,0x38(%rsp)
  mov    %eax,%r15d
  lea    0x3f20(%rsp),%r9
  mov    %r10d,0x50(%rsp)
  lea    0x2f70(%rsp),%r14
  shr    $0x1f,%r15d
  mov    %r9,%rsi
  mov    %r9,0x40(%rsp)
  add    %eax,%r15d
  sar    %r15d
  mov    %r15d,%ecx
  call   <__msort>
  mov    0x38(%rsp),%ecx
  lea    0x1(%r15),%edx
  mov    %rbp,%rdi
  mov    0x40(%rsp),%r9
  mov    %r9,%rsi
  mov    %r9,0x48(%rsp)
  call   <__msort>
  mov    0x38(%rsp),%r11d
  mov    %r15d,%ecx
  mov    %r14,%rsi
  mov    0x50(%rsp),%r10d
  mov    0x48(%rsp),%rdi
  mov    %r11d,%r8d
  mov    %r11d,0x40(%rsp)
  mov    %r10d,%edx
  mov    %r10d,0x38(%rsp)
  call   <__merge@plt>
  mov    0x40(%rsp),%r11d
  mov    0x38(%rsp),%r10d
L225:
  lea    0x1(%r11),%r9d
  cmp    %r9d,0x28(%rsp)
  je     L148
  mov    0x28(%rsp),%eax
  mov    %r9d,%edx
  mov    %rbp,%rdi
  mov    %r11d,0x50(%rsp)
  mov    %r10d,0x48(%rsp)
  add    %r9d,%eax
  mov    %r9d,0x40(%rsp)
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  lea    0x3f20(%rsp),%rax
  sar    %r15d
  mov    %rax,%rsi
  mov    %rax,0x38(%rsp)
  mov    %r15d,%ecx
  call   <__msort>
  mov    0x28(%rsp),%ecx
  lea    0x1(%r15),%edx
  mov    %rbp,%rdi
  mov    0x38(%rsp),%rsi
  call   <__msort>
  mov    0x28(%rsp),%r8d
  mov    %r15d,%ecx
  mov    %r14,%rsi
  mov    0x40(%rsp),%edx
  mov    0x38(%rsp),%rdi
  call   <__merge@plt>
  mov    0x50(%rsp),%r11d
  mov    0x48(%rsp),%r10d
L268:
  mov    0x28(%rsp),%r8d
  mov    %r10d,%edx
  mov    %r11d,%ecx
  mov    %r14,%rdi
  lea    0x1fc0(%rsp),%rsi
  mov    %r10d,0x40(%rsp)
  mov    %rsi,0x38(%rsp)
  call   <__merge@plt>
  mov    0x40(%rsp),%r10d
L107:
  mov    0x28(%rsp),%eax
  lea    0x1(%rax),%r9d
  cmp    %r9d,%ebx
  je     L53
  lea    (%rbx,%r9,1),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  mov    %eax,0x40(%rsp)
  cmp    %eax,%r9d
  je     L121
  mov    %eax,%r14d
  lea    (%r9,%rax,1),%eax
  mov    %r9d,%edx
  mov    %rbp,%rdi
  mov    %eax,%r15d
  lea    0x3f20(%rsp),%r11
  mov    %r10d,0x5c(%rsp)
  shr    $0x1f,%r15d
  mov    %r11,%rsi
  mov    %r9d,0x58(%rsp)
  add    %eax,%r15d
  mov    %r11,0x48(%rsp)
  sar    %r15d
  mov    %r15d,%ecx
  call   <__msort>
  mov    0x48(%rsp),%r11
  mov    %r14d,%ecx
  mov    %rbp,%rdi
  lea    0x1(%r15),%edx
  mov    %r14d,0x40(%rsp)
  lea    0x2f70(%rsp),%r14
  mov    %r11,%rsi
  mov    %r11,0x50(%rsp)
  call   <__msort>
  mov    0x58(%rsp),%r9d
  mov    %r15d,%ecx
  mov    %r14,%rsi
  mov    0x40(%rsp),%r8d
  mov    0x50(%rsp),%rdi
  mov    %r9d,%edx
  mov    %r9d,0x48(%rsp)
  call   <__merge@plt>
  mov    0x5c(%rsp),%r10d
  mov    0x48(%rsp),%r9d
L339:
  mov    0x40(%rsp),%eax
  lea    0x1(%rax),%r11d
  cmp    %r11d,%ebx
  je     L272
  lea    (%rbx,%r11,1),%edx
  lea    0x3f20(%rsp),%r15
  mov    %rbp,%rdi
  mov    %r9d,0x5c(%rsp)
  mov    %edx,%eax
  mov    %r15,%rsi
  mov    %r10d,0x58(%rsp)
  shr    $0x1f,%eax
  mov    %r11d,0x50(%rsp)
  add    %edx,%eax
  mov    %r11d,%edx
  sar    %eax
  mov    %eax,%ecx
  mov    %eax,0x48(%rsp)
  call   <__msort>
  mov    0x48(%rsp),%eax
  mov    %ebx,%ecx
  mov    %r15,%rsi
  mov    %rbp,%rdi
  lea    0x1(%rax),%edx
  call   <__msort>
  mov    0x48(%rsp),%ecx
  mov    0x50(%rsp),%edx
  mov    %ebx,%r8d
  mov    %r14,%rsi
  mov    %r15,%rdi
  call   <__merge@plt>
  mov    0x5c(%rsp),%r9d
  mov    0x58(%rsp),%r10d
L409:
  mov    0x40(%rsp),%ecx
  mov    0x38(%rsp),%rsi
  mov    %ebx,%r8d
  mov    %r9d,%edx
  mov    %r14,%rdi
  mov    %r10d,0x48(%rsp)
  call   <__merge@plt>
  mov    0x48(%rsp),%r10d
L173:
  mov    0x28(%rsp),%ecx
  mov    0x18(%rsp),%rsi
  mov    %ebx,%r8d
  mov    %r10d,%edx
  mov    0x38(%rsp),%rdi
  call   <__merge@plt>
L204:
  mov    0x10(%rsp),%ecx
  mov    0x30(%rsp),%rsi
  mov    %ebx,%r8d
  mov    %r13d,%edx
  mov    0x18(%rsp),%rdi
  call   <__merge@plt>
  jmp    L217
  nopl   (%rax)
L67:
  mov    (%rdi,%r12,4),%eax
  mov    %eax,(%rsi,%r12,4)
L94:
  mov    0x4ec8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L42
  add    $0x4ed8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L120:
  movslq %r12d,%rax
  mov    (%rdi,%rax,4),%edx
  mov    %edx,0x1fc0(%rsp,%rax,4)
  lea    0x1fc0(%rsp),%rax
  mov    %rax,0x38(%rsp)
  jmp    L357
  nopw   0x0(%rax,%rax,1)
L359:
  movslq %r13d,%rax
  lea    0x2f70(%rsp),%r14
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x2f70(%rsp,%rax,4)
  jmp    L321
  nopl   0x0(%rax,%rax,1)
L76:
  movslq %r13d,%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x1010(%rsp,%rax,4)
  lea    0x1010(%rsp),%rax
  mov    %rax,0x18(%rsp)
  mov    0x10(%rsp),%eax
  lea    0x1(%rax),%r10d
  cmp    %r10d,%ebx
  jne    L388
L316:
  movslq %ebx,%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x1010(%rsp,%rax,4)
  jmp    L204
  nop
L299:
  movslq %r12d,%rax
  lea    0x1(%r13),%r9d
  mov    (%rdi,%rax,4),%edx
  mov    %edx,0x1010(%rsp,%rax,4)
  lea    0x1010(%rsp),%rax
  mov    %rax,0x18(%rsp)
  cmp    %r9d,0xc(%rsp)
  jne    L181
L351:
  movslq 0xc(%rsp),%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x1010(%rsp,%rax,4)
  jmp    L113
  xchg   %ax,%ax
L397:
  movslq 0x10(%rsp),%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x2f70(%rsp,%rax,4)
  jmp    L110
  nopl   (%rax)
L48:
  movslq %r13d,%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x1fc0(%rsp,%rax,4)
  jmp    L311
  nopl   0x0(%rax,%rax,1)
L80:
  movslq 0xc(%rsp),%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x2f70(%rsp,%rax,4)
  jmp    L383
  nopl   (%rax)
L146:
  movslq %r9d,%rax
  lea    0x2f70(%rsp),%r14
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x2f70(%rsp,%rax,4)
  jmp    L226
  nopl   0x0(%rax,%rax,1)
L245:
  movslq %r10d,%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x1fc0(%rsp,%rax,4)
  lea    0x1fc0(%rsp),%rax
  mov    %rax,0x38(%rsp)
  jmp    L107
  nopl   0x0(%rax,%rax,1)
L53:
  movslq %ebx,%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x1fc0(%rsp,%rax,4)
  jmp    L173
  nopl   0x0(%rax,%rax,1)
L148:
  movslq 0x28(%rsp),%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x2f70(%rsp,%rax,4)
  jmp    L268
  nopl   (%rax)
L272:
  movslq %ebx,%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x2f70(%rsp,%rax,4)
  jmp    L409
  nopl   0x0(%rax,%rax,1)
L121:
  movslq %r9d,%rax
  lea    0x2f70(%rsp),%r14
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x2f70(%rsp,%rax,4)
  jmp    L339
  nopl   0x0(%rax,%rax,1)
L425:
  movslq %r10d,%rax
  lea    0x2f70(%rsp),%r14
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x2f70(%rsp,%rax,4)
  jmp    L225
  nopl   0x0(%rax,%rax,1)
L118:
  movslq %r15d,%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,0x2f70(%rsp,%rax,4)
  jmp    L59
  nopl   0x0(%rax,%rax,1)
L265:
  movslq %r12d,%rax
  lea    0x2f70(%rsp),%r14
  mov    (%rdi,%rax,4),%edx
  mov    %edx,0x2f70(%rsp,%rax,4)
  jmp    L142
L42:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void __msort(int origin[], int swap[], int start, int end) {
  int m;
  int temp[1000 + 1];
  if (start == end) {
    swap[start] = origin[start];
    return;
  }
  m = (start + end) / 2;
  __msort(origin, temp, start, m);
  __msort(origin, temp, m + 1, end);
  __merge(temp, swap, start, m, end);
}
```