user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<fibonacci_search>:
  endbr64
  push   %r14
  push   %r13
  movslq %edx,%r13
  push   %r12
  lea    -0x1(%r13),%r12d
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x60,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x58(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r14
  mov    %r14,%rdi
  call   <fibonacci@plt>
  mov    (%rsp),%ecx
  cmp    %ecx,%r13d
  jl     L19
  mov    $0x1,%edx
  nopl   0x0(%rax,%rax,1)
L98:
  mov    %edx,%eax
  add    $0x1,%rdx
  mov    -0x4(%r14,%rdx,4),%ecx
  cmp    %r13d,%ecx
  jle    L98
L155:
  lea    -0x1(%rcx),%r9d
  cmp    %r9d,%r13d
  jge    L185
  mov    %ecx,%r8d
  movslq %r12d,%rdx
  sub    %r13d,%r8d
  shl    $0x2,%rdx
  lea    -0x2(%r8),%esi
  lea    (%rbx,%rdx,1),%rdi
  cmp    $0x2,%esi
  jbe    L27
  sub    $0x1,%r8d
  lea    0x4(%rbx,%rdx,1),%rcx
  movd   (%rdi),%xmm1
  mov    %r8d,%edx
  shr    $0x2,%edx
  pshufd $0x0,%xmm1,%xmm0
  lea    -0x1(%rdx),%esi
  lea    0x10(%rcx),%rdx
  shl    $0x4,%rsi
  add    %rdx,%rsi
  jmp    L149
  nopl   0x0(%rax,%rax,1)
L7:
  add    $0x10,%rdx
L149:
  movups %xmm0,(%rcx)
  mov    %rdx,%rcx
  cmp    %rsi,%rdx
  jne    L7
  mov    %r8d,%edx
  and    $0xfffffffc,%edx
  add    %edx,%r13d
  cmp    %r8d,%edx
  je     L185
  mov    (%rdi),%ecx
  movslq %r13d,%rdx
  mov    %ecx,(%rbx,%rdx,4)
  lea    0x1(%r13),%edx
  cmp    %edx,%r9d
  jle    L185
  movslq %edx,%rdx
  add    $0x2,%r13d
  mov    %ecx,(%rbx,%rdx,4)
  lea    0x0(,%rdx,4),%rsi
  cmp    %r13d,%r9d
  jle    L185
  mov    (%rdi),%edx
  mov    %edx,0x4(%rbx,%rsi,1)
L185:
  test   %r12d,%r12d
  js     L51
  xor    %ecx,%ecx
  jmp    L173
  nopl   0x0(%rax)
L80:
  lea    -0x2(%rdx),%r12d
  mov    %esi,%eax
  cmp    %ecx,%r12d
  jl     L51
L173:
  lea    -0x1(%rax),%esi
  movslq %esi,%rdx
  mov    (%rsp,%rdx,4),%edi
  add    %ecx,%edi
  lea    -0x1(%rdi),%r8d
  mov    %edi,%edx
  movslq %r8d,%rdi
  cmp    %ebp,(%rbx,%rdi,4)
  jg     L80
  jge    L114
  mov    %edx,%ecx
  sub    $0x2,%eax
  cmp    %ecx,%r12d
  jge    L173
L51:
  mov    $0xffffffff,%r8d
L182:
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L100
  add    $0x60,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  cs nopw 0x0(%rax,%rax,1)
L114:
  cmp    %r12d,%r8d
  jle    L182
  jmp    L51
  nopw   0x0(%rax,%rax,1)
L27:
  sub    %r13d,%ecx
  lea    0x4(%rbx,%rdx,1),%rdx
  sub    $0x2,%ecx
  add    %r13,%rcx
  lea    0x4(%rbx,%rcx,4),%rsi
  nopl   0x0(%rax,%rax,1)
L68:
  mov    (%rdi),%ecx
  add    $0x4,%rdx
  mov    %ecx,-0x4(%rdx)
  cmp    %rsi,%rdx
  jne    L68
  jmp    L185
L19:
  xor    %eax,%eax
  jmp    L155
L100:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int fibonacci_search(int *a, int key, int n) {
  int low = 0, high = n - 1;
  int mid = 0;
  int k = 0, i;
  int F[20];
  fibonacci(F);
  while (n > F[k] - 1)
    ++k;
  for (i = n; i < F[k] - 1; ++i)
    a[i] = a[high];
  while (low <= high) {
    mid = low + F[k - 1] - 1;
    if (a[mid] > key) {
      high = mid - 1;
      k = k - 1;
    } else if (a[mid] < key) {
      low = mid + 1;
      k = k - 2;
    } else {
      if (mid <= high)
        return mid;
      else
        return -1;
    }
  }
  return -1;
}
```