user: 下面的汇编指令对应的C源代码是什么：

```asm
<silk_LTP_analysis_filter_FLP>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  add    $0xffffffffffffff80,%rsp
  mov    %rdi,-0x58(%rbp)
  mov    %rsi,-0x60(%rbp)
  mov    %rdx,-0x68(%rbp)
  mov    %rcx,-0x70(%rbp)
  mov    %r8,-0x78(%rbp)
  mov    %r9d,-0x7c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x60(%rbp),%rax
  mov    %rax,-0x38(%rbp)
  mov    -0x58(%rbp),%rax
  mov    %rax,-0x28(%rbp)
  movl   $0x0,-0x48(%rbp)
  jmp    L78
L16:
  mov    -0x48(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x70(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cltq
  shl    $0x2,%rax
  neg    %rax
  mov    %rax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x30(%rbp)
  mov    -0x48(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  movss  %xmm0,-0x3c(%rbp)
  movl   $0x0,-0x44(%rbp)
  jmp    L30
L83:
  mov    -0x48(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %eax,%edx
  mov    -0x44(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mov    -0x44(%rbp),%eax
  cltq
  movss  %xmm0,-0x20(%rbp,%rax,4)
  addl   $0x1,-0x44(%rbp)
L30:
  cmpl   $0x4,-0x44(%rbp)
  jle    L83
  movl   $0x0,-0x44(%rbp)
  jmp    L28
L36:
  mov    -0x44(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rax,%rdx
  mov    -0x44(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  movss  (%rdx),%xmm0
  movss  %xmm0,(%rax)
  movl   $0x0,-0x40(%rbp)
  jmp    L77
L89:
  mov    -0x44(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mov    -0x40(%rbp),%eax
  cltq
  movss  -0x20(%rbp,%rax,4),%xmm2
  mov    $0x2,%eax
  sub    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm1
  mulss  %xmm2,%xmm1
  mov    -0x44(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  subss  %xmm1,%xmm0
  movss  %xmm0,(%rax)
  addl   $0x1,-0x40(%rbp)
L77:
  cmpl   $0x4,-0x40(%rbp)
  jle    L89
  mov    -0x44(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mov    -0x44(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mulss  -0x3c(%rbp),%xmm0
  movss  %xmm0,(%rax)
  addq   $0x4,-0x30(%rbp)
  addl   $0x1,-0x44(%rbp)
L28:
  mov    -0x7c(%rbp),%edx
  mov    0x18(%rbp),%eax
  add    %edx,%eax
  cmp    %eax,-0x44(%rbp)
  jl     L36
  mov    -0x7c(%rbp),%edx
  mov    0x18(%rbp),%eax
  add    %edx,%eax
  cltq
  shl    $0x2,%rax
  add    %rax,-0x28(%rbp)
  mov    -0x7c(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rax,-0x38(%rbp)
  addl   $0x1,-0x48(%rbp)
L78:
  mov    -0x48(%rbp),%eax
  cmp    0x10(%rbp),%eax
  jl     L16
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L76
  call   <__stack_chk_fail@plt>
L76:
  leave
  ret
```

assistant: ```c
void silk_LTP_analysis_filter_FLP(float *LTP_res, const float *x, const float B[5 * 4], const int pitchL[4], const float invGains[4], const int subfr_length, const int nb_subfr, const int pre_length) {
  const float *x_ptr, *x_lag_ptr;
  float Btmp[5];
  float *LTP_res_ptr;
  float inv_gain;
  int k, i, j;
  x_ptr = x;
  LTP_res_ptr = LTP_res;
  for (k = 0; k < nb_subfr; k++) {
    x_lag_ptr = x_ptr - pitchL[k];
    inv_gain = invGains[k];
    for (i = 0; i < 5; i++) {
      Btmp[i] = B[k * 5 + i];
    }
    for (i = 0; i < subfr_length + pre_length; i++) {
      LTP_res_ptr[i] = x_ptr[i];
      for (j = 0; j < 5; j++) {
        LTP_res_ptr[i] -= Btmp[j] * x_lag_ptr[5 / 2 - j];
      }
      LTP_res_ptr[i] *= inv_gain;
      x_lag_ptr++;
    }
    LTP_res_ptr += subfr_length + pre_length;
    x_ptr += subfr_length;
  }
}
```