user: 下面的汇编指令对应的C源代码是什么:

```asm
<fp_exp10>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  add    $0xffffffffffffff80,%rsp
  mov    %rdi,-0x78(%rbp)
  mov    %esi,-0x7c(%rbp)
  mov    -0x7c(%rbp),%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  cltq
  mov    %rax,-0x68(%rbp)
  mov    -0x7c(%rbp),%eax
  sub    $0x1,%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  cltq
  mov    %rax,-0x60(%rbp)
  mov    -0x7c(%rbp),%eax
  mov    $0x2,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  cltq
  mov    %rax,-0x58(%rbp)
  mov    -0x68(%rbp),%rax
  sub    $0x1,%rax
  mov    %rax,-0x50(%rbp)
  mov    $0x1c,%eax
  sub    -0x7c(%rbp),%eax
  mov    $0x17154765,%edx
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    %rdx,%rax
  mov    %rax,-0x48(%rbp)
  mov    $0x1c,%eax
  sub    -0x7c(%rbp),%eax
  mov    $0xb17217f,%edx
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    %rdx,%rax
  mov    %rax,-0x40(%rbp)
  mov    $0x1c,%eax
  sub    -0x7c(%rbp),%eax
  mov    $0x24d76377,%edx
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    %rdx,%rax
  mov    %rax,-0x38(%rbp)
  mov    $0x1c,%eax
  sub    -0x7c(%rbp),%eax
  mov    $0x2aaaaab,%edx
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    %rdx,%rax
  mov    %rax,-0x30(%rbp)
  mov    $0x1c,%eax
  sub    -0x7c(%rbp),%eax
  mov    $0xfffffffffff49f4a,%rdx
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    %rdx,%rax
  mov    %rax,-0x28(%rbp)
  mov    $0x1c,%eax
  sub    -0x7c(%rbp),%eax
  mov    $0x308c,%edx
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    %rdx,%rax
  mov    %rax,-0x20(%rbp)
  cmpq   $0x0,-0x78(%rbp)
  jne    L13
  mov    -0x68(%rbp),%rax
  jmp    L32
L13:
  mov    -0x78(%rbp),%rax
  imul   -0x38(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x7c(%rbp),%eax
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    %rdx,%rax
  mov    %rax,-0x78(%rbp)
  mov    -0x78(%rbp),%rax
  mov    %rax,%rdi
  call   <abs@plt>
  imul   -0x48(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x7c(%rbp),%eax
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    -0x60(%rbp),%rax
  add    %rax,%rdx
  mov    -0x50(%rbp),%rax
  not    %rax
  and    %rdx,%rax
  mov    %rax,-0x70(%rbp)
  cmpq   $0x0,-0x78(%rbp)
  jns    L47
  negq   -0x70(%rbp)
L47:
  mov    -0x70(%rbp),%rax
  imul   -0x40(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x7c(%rbp),%eax
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    %rdx,%rax
  sub    %rax,-0x78(%rbp)
  mov    -0x78(%rbp),%rax
  imul   %rax,%rax
  mov    %rax,%rdx
  mov    -0x7c(%rbp),%eax
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    %rdx,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  imul   -0x20(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x7c(%rbp),%eax
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  imul   -0x18(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x7c(%rbp),%eax
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  imul   -0x18(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x7c(%rbp),%eax
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x58(%rbp),%rax
  imul   -0x78(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x7c(%rbp),%eax
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    -0x7c(%rbp),%eax
  mov    %eax,%ecx
  shl    %cl,%rdx
  mov    %rdx,%rcx
  mov    -0x10(%rbp),%rax
  sub    -0x78(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rax
  cqto
  idiv   %rsi
  mov    %rax,%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x70(%rbp)
  jns    L2
  mov    -0x70(%rbp),%rax
  neg    %rax
  mov    %rax,%rdx
  mov    -0x7c(%rbp),%eax
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    %rdx,%rax
  mov    %eax,%edx
  mov    -0x68(%rbp),%rax
  mov    %edx,%ecx
  sar    %cl,%rax
  mov    %rax,-0x70(%rbp)
  jmp    L37
L2:
  mov    -0x7c(%rbp),%eax
  mov    -0x70(%rbp),%rdx
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    %rdx,%rax
  mov    %eax,%edx
  mov    -0x68(%rbp),%rax
  mov    %edx,%ecx
  shl    %cl,%rax
  mov    %rax,-0x70(%rbp)
L37:
  mov    -0x70(%rbp),%rax
  imul   -0x8(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x7c(%rbp),%eax
  mov    %eax,%ecx
  sar    %cl,%rdx
  mov    %rdx,%rax
L32:
  leave
  ret
```

assistant: ```c
long fp_exp10(long x, unsigned int fracbits) {
  long k;
  long z;
  long R;
  long xp;
  const long fp_one = (1 << fracbits);
  const long fp_half = (1 << (fracbits - 1));
  const long fp_two = (2 << fracbits);
  const long fp_mask = (fp_one - 1);
  const long fp_ln2_inv = ((387270501L) >> (28 - fracbits));
  const long fp_ln2 = ((186065279L) >> (28 - fracbits));
  const long fp_ln10 = ((618095479L) >> (28 - fracbits));
  const long fp_exp_zero = ((44739243L) >> (28 - fracbits));
  const long fp_exp_one = ((-745654L) >> (28 - fracbits));
  const long fp_exp_two = ((12428L) >> (28 - fracbits));
  if (x == 0) {
    return fp_one;
  }
  x = (long)((((long long)(x)) * ((long long)(fp_ln10))) >> (fracbits));
  k = ((long)((((long long)(abs(x))) * ((long long)(fp_ln2_inv))) >> (fracbits)) + fp_half) & ~fp_mask;
  if (x < 0) {
    k = -k;
  }
  x -= (long)((((long long)(k)) * ((long long)(fp_ln2))) >> (fracbits));
  z = (long)((((long long)(x)) * ((long long)(x))) >> (fracbits));
  R = fp_two + (long)((((long long)(z)) * ((long long)(fp_exp_zero + (long)((((long long)(z)) * ((long long)(fp_exp_one + (long)((((long long)(z)) * ((long long)(fp_exp_two))) >> (fracbits))))) >> (fracbits))))) >> (fracbits));
  xp = fp_one + (long)((((long long)((long)((((long long)(fp_two)) * ((long long)(x))) >> (fracbits)))) << (fracbits)) / ((long long)(R - x)));
  if (k < 0) {
    k = fp_one >> (-k >> fracbits);
  } else {
    k = fp_one << (k >> fracbits);
  }
  return (long)((((long long)(k)) * ((long long)(xp))) >> (fracbits));
}
```