user: 下面的汇编指令对应的C源代码是什么:

```asm
<SKP_Silk_LPC_analysis_filter>:
  endbr64
  push   %r15
  mov    %r9d,%r10d
  mov    %rsi,%rax
  mov    %rdi,%r11
  push   %r14
  sar    %r10d
  mov    %rdx,%rsi
  push   %r13
  push   %r12
  push   %rbp
  mov    %rcx,%rbp
  push   %rbx
  sub    $0x68,%rsp
  mov    %fs:0x28,%rdx
  mov    %rdx,0x58(%rsp)
  xor    %edx,%edx
  test   %r10d,%r10d
  jle    L81
  lea    -0x1(%r10),%edx
  cmp    $0x6,%edx
  jbe    L246
  movdqu (%rax),%xmm1
  movdqu 0x10(%rax),%xmm3
  mov    %r10d,%edx
  and    $0xfffffff8,%edx
  movdqa %xmm1,%xmm0
  movdqa %xmm1,%xmm2
  punpcklwd %xmm3,%xmm1
  punpcklwd %xmm3,%xmm0
  punpckhwd %xmm3,%xmm2
  pxor   %xmm3,%xmm3
  movdqa %xmm0,%xmm4
  punpcklwd %xmm2,%xmm1
  punpcklwd %xmm2,%xmm0
  punpckhwd %xmm2,%xmm4
  punpckhwd %xmm4,%xmm0
  punpcklwd %xmm4,%xmm1
  movdqa %xmm3,%xmm4
  pcmpgtw %xmm0,%xmm4
  movdqa %xmm0,%xmm2
  movdqa %xmm1,%xmm5
  punpcklwd %xmm3,%xmm5
  punpckhwd %xmm3,%xmm1
  punpcklwd %xmm4,%xmm2
  punpckhwd %xmm4,%xmm0
  pslld  $0x10,%xmm2
  pslld  $0x10,%xmm0
  por    %xmm5,%xmm2
  por    %xmm1,%xmm0
  movaps %xmm2,0x30(%rsp)
  movaps %xmm0,0x40(%rsp)
  test   $0x7,%r10b
  je     L81
L154:
  lea    (%rdx,%rdx,1),%ecx
  movslq %edx,%r13
  movslq %ecx,%r12
  movswl 0x2(%rax,%r12,2),%edi
  lea    (%r12,%r12,1),%rbx
  movzwl (%rax,%r12,2),%r12d
  shl    $0x10,%edi
  or     %r12d,%edi
  lea    0x1(%rdx),%r12d
  mov    %edi,0x30(%rsp,%r13,4)
  cmp    %r12d,%r10d
  jle    L81
  lea    0x3(%rcx),%edi
  movzwl 0x4(%rax,%rbx,1),%r13d
  movslq %r12d,%r12
  movslq %edi,%rdi
  movswl (%rax,%rdi,2),%edi
  shl    $0x10,%edi
  or     %r13d,%edi
  mov    %edi,0x30(%rsp,%r12,4)
  lea    0x2(%rdx),%r12d
  cmp    %r12d,%r10d
  jle    L81
  lea    0x5(%rcx),%edi
  movzwl 0x8(%rax,%rbx,1),%r13d
  movslq %r12d,%r12
  movslq %edi,%rdi
  movswl (%rax,%rdi,2),%edi
  shl    $0x10,%edi
  or     %r13d,%edi
  mov    %edi,0x30(%rsp,%r12,4)
  lea    0x3(%rdx),%r12d
  cmp    %r12d,%r10d
  jle    L81
  lea    0x7(%rcx),%edi
  movzwl 0xc(%rax,%rbx,1),%r13d
  movslq %r12d,%r12
  movslq %edi,%rdi
  movswl (%rax,%rdi,2),%edi
  shl    $0x10,%edi
  or     %r13d,%edi
  mov    %edi,0x30(%rsp,%r12,4)
  lea    0x4(%rdx),%r12d
  cmp    %r12d,%r10d
  jle    L81
  lea    0x9(%rcx),%edi
  movzwl 0x10(%rax,%rbx,1),%r13d
  movslq %r12d,%r12
  movslq %edi,%rdi
  movswl (%rax,%rdi,2),%edi
  shl    $0x10,%edi
  or     %r13d,%edi
  mov    %edi,0x30(%rsp,%r12,4)
  lea    0x5(%rdx),%r12d
  cmp    %r12d,%r10d
  jle    L81
  lea    0xb(%rcx),%edi
  movzwl 0x14(%rax,%rbx,1),%r13d
  movslq %r12d,%r12
  add    $0x6,%edx
  movslq %edi,%rdi
  movswl (%rax,%rdi,2),%edi
  shl    $0x10,%edi
  or     %r13d,%edi
  mov    %edi,0x30(%rsp,%r12,4)
  cmp    %edx,%r10d
  jle    L81
  add    $0xd,%ecx
  movslq %edx,%rdx
  movslq %ecx,%rcx
  movswl (%rax,%rcx,2),%ecx
  movzwl 0x18(%rax,%rbx,1),%eax
  shl    $0x10,%ecx
  or     %ecx,%eax
  mov    %eax,0x30(%rsp,%rdx,4)
L81:
  test   %r8d,%r8d
  jle    L71
  mov    0x34(%rsp),%edx
  sub    $0x1,%r10d
  mov    0x30(%rsp),%r12d
  movslq %r9d,%r9
  movslq %r10d,%rax
  lea    -0x2(%rsi,%r9,2),%r9
  movslq %r8d,%r8
  movswl %dx,%r15d
  sar    $0x10,%edx
  mov    0x30(%rsp,%rax,4),%ebx
  movswl %r12w,%r14d
  mov    %edx,0x4(%rsp)
  mov    0x38(%rsp),%edx
  sar    $0x10,%r12d
  movswl %bx,%r13d
  movswl (%rsi),%eax
  sar    $0x10,%ebx
  movswl %dx,%edi
  sar    $0x10,%edx
  mov    %edx,0xc(%rsp)
  mov    0x3c(%rsp),%edx
  mov    %edi,0x8(%rsp)
  movswl %dx,%edi
  sar    $0x10,%edx
  mov    %edx,0x14(%rsp)
  mov    0x40(%rsp),%edx
  mov    %edi,0x10(%rsp)
  movswl %dx,%edi
  sar    $0x10,%edx
  mov    %edx,0x1c(%rsp)
  mov    0x44(%rsp),%edx
  mov    %edi,0x18(%rsp)
  movswl %dx,%edi
  sar    $0x10,%edx
  mov    %edx,0x24(%rsp)
  mov    0x48(%rsp),%edx
  mov    %edi,0x20(%rsp)
  movswl %dx,%edi
  sar    $0x10,%edx
  mov    %edi,0x28(%rsp)
  xor    %edi,%edi
  mov    %edx,0x2c(%rsp)
  jmp    L70
  nopw   0x0(%rax,%rax,1)
L1:
  add    $0x80000000,%ecx
  test   %eax,%ecx
  js     L270
  sar    $0xb,%edx
  add    $0x1,%edx
  mov    %edx,%eax
  sar    %eax
  cmp    $0xffff,%edx
  jle    L7
L119:
  mov    $0x7fff,%eax
L7:
  mov    %ax,0x0(%rbp,%rdi,2)
  movswl (%r11,%rdi,2),%eax
  add    $0x1,%rdi
  mov    %ax,(%rsi)
  cmp    %rdi,%r8
  je     L71
L70:
  test   %r10d,%r10d
  jle    L243
  movswl 0x2(%rsi),%edx
  mov    %ax,0x2(%rsi)
  imul   %r14d,%eax
  mov    %edx,%ecx
  imul   %r12d,%edx
  add    %eax,%edx
  movswl 0x4(%rsi),%eax
  mov    %cx,0x4(%rsi)
  cmp    $0x1,%r10d
  je     L158
  movzwl 0x6(%rsi),%ecx
  mov    %ax,0x6(%rsi)
  imul   %r15d,%eax
  add    %edx,%eax
  movswl %cx,%edx
  imul   0x4(%rsp),%edx
  add    %eax,%edx
  movswl 0x8(%rsi),%eax
  mov    %cx,0x8(%rsi)
  cmp    $0x2,%r10d
  je     L158
  movzwl 0xa(%rsi),%ecx
  mov    %ax,0xa(%rsi)
  imul   0x8(%rsp),%eax
  add    %edx,%eax
  movswl %cx,%edx
  imul   0xc(%rsp),%edx
  add    %eax,%edx
  movswl 0xc(%rsi),%eax
  mov    %cx,0xc(%rsi)
  cmp    $0x3,%r10d
  je     L158
  movzwl 0xe(%rsi),%ecx
  mov    %ax,0xe(%rsi)
  imul   0x10(%rsp),%eax
  add    %edx,%eax
  movswl %cx,%edx
  imul   0x14(%rsp),%edx
  add    %eax,%edx
  movswl 0x10(%rsi),%eax
  mov    %cx,0x10(%rsi)
  cmp    $0x4,%r10d
  je     L158
  movzwl 0x12(%rsi),%ecx
  mov    %ax,0x12(%rsi)
  imul   0x18(%rsp),%eax
  add    %edx,%eax
  movswl %cx,%edx
  imul   0x1c(%rsp),%edx
  add    %eax,%edx
  movswl 0x14(%rsi),%eax
  mov    %cx,0x14(%rsi)
  cmp    $0x5,%r10d
  je     L158
  movzwl 0x16(%rsi),%ecx
  mov    %ax,0x16(%rsi)
  imul   0x20(%rsp),%eax
  add    %edx,%eax
  movswl %cx,%edx
  imul   0x24(%rsp),%edx
  add    %eax,%edx
  movswl 0x18(%rsi),%eax
  mov    %cx,0x18(%rsi)
  cmp    $0x7,%r10d
  jne    L158
  movzwl 0x1a(%rsi),%ecx
  mov    %ax,0x1a(%rsi)
  imul   0x28(%rsp),%eax
  add    %edx,%eax
  movswl %cx,%edx
  imul   0x2c(%rsp),%edx
  add    %eax,%edx
  movswl 0x1c(%rsi),%eax
  mov    %cx,0x1c(%rsi)
L158:
  movswl (%r9),%ecx
  mov    %ax,(%r9)
  imul   %r13d,%eax
  imul   %ebx,%ecx
  add    %edx,%eax
  add    %eax,%ecx
  movswl (%r11,%rdi,2),%eax
  shl    $0xc,%eax
  mov    %eax,%edx
  sub    %ecx,%edx
  jns    L1
  add    $0x80000000,%eax
  test   %ecx,%eax
  js     L119
  sar    $0xb,%edx
  add    $0x1,%edx
  mov    %edx,%eax
  sar    %eax
  cmp    $0xffff0000,%edx
  jge    L7
  nopl   0x0(%rax)
L270:
  mov    $0xffff8000,%eax
  jmp    L7
  nopw   0x0(%rax,%rax,1)
L243:
  xor    %edx,%edx
  jmp    L158
  nopl   0x0(%rax)
L71:
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x68,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L246:
  xor    %edx,%edx
  jmp    L154
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void SKP_Silk_LPC_analysis_filter(const short *in, const short *B, short *S, short *out, const int len, const int Order) {
  int k, j, idx, Order_half = ((Order) >> (1));
  int Btmp, B_align_Q12[16 >> 1], out32_Q12, out32;
  short SA, SB;
  ;
  for (k = 0; k < Order_half; k++) {
    idx = ((int)((short)(2)) * (int)((short)(k)));
    B_align_Q12[k] = (((int)B[idx]) & 0x0000ffff) | (((int)B[idx + 1]) << (16));
  }
  for (k = 0; k < len; k++) {
    SA = S[0];
    out32_Q12 = 0;
    for (j = 0; j < (Order_half - 1); j++) {
      idx = ((int)((short)(2)) * (int)((short)(j))) + 1;
      Btmp = B_align_Q12[j];
      SB = S[idx];
      S[idx] = SA;
      out32_Q12 = ((out32_Q12) + ((int)((short)(SA))) * (int)((short)(Btmp)));
      out32_Q12 = ((out32_Q12) + ((int)((short)(SB))) * ((Btmp) >> 16));
      SA = S[idx + 1];
      S[idx + 1] = SB;
    }
    Btmp = B_align_Q12[Order_half - 1];
    SB = S[Order - 1];
    S[Order - 1] = SA;
    out32_Q12 = ((out32_Q12) + ((int)((short)(SA))) * (int)((short)(Btmp)));
    out32_Q12 = ((out32_Q12) + ((int)((short)(SB))) * ((Btmp) >> 16));
    out32_Q12 = (((((((int)in[k]) << (12))) - (out32_Q12)) & 0x80000000) == 0 ? ((((((int)in[k]) << (12))) & ((out32_Q12) ^ 0x80000000) & 0x80000000) ? ((int)0x80000000) : ((((int)in[k]) << (12))) - (out32_Q12)) : (((((((int)in[k]) << (12))) ^ 0x80000000) & (out32_Q12)&0x80000000) ? 0x7FFFFFFF : ((((int)in[k]) << (12))) - (out32_Q12)));
    out32 = ((12) == 1 ? ((out32_Q12) >> 1) + ((out32_Q12)&1) : (((out32_Q12) >> ((12) - 1)) + 1) >> 1);
    out[k] = (short)((out32) > 0x7FFF ? 0x7FFF : ((out32) < ((short)0x8000) ? ((short)0x8000) : (out32)));
    S[0] = in[k];
  }
}
```