user: 这段汇编代码用C语言表示是什么样的:

```asm
<kernel_dgecp_2_0_lib4>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %rdx,-0x20(%rbp)
  mov    %rcx,-0x28(%rbp)
  cmpl   $0x1,-0x14(%rbp)
  jne    L36
  addl   $0x1,-0x18(%rbp)
L36:
  cmpl   $0x0,-0x18(%rbp)
  jle    L53
  movl   $0x4,-0x8(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L34
L2:
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <_mm_loadu_pd@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%edx
  mov    -0x28(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <_mm_storeu_pd@plt>
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rdi
  call   <_mm_loadu_pd@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  mov    %rdx,%rdi
  call   <_mm_storeu_pd@plt>
  mov    -0x8(%rbp),%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rdi
  call   <_mm_loadu_pd@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x8(%rbp),%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  mov    %rdx,%rdi
  call   <_mm_storeu_pd@plt>
  mov    -0x8(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rdi
  call   <_mm_loadu_pd@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x8(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  mov    %rdx,%rdi
  call   <_mm_storeu_pd@plt>
  subq   $0xffffffffffffff80,-0x20(%rbp)
  subq   $0xffffffffffffff80,-0x28(%rbp)
  addl   $0x4,-0xc(%rbp)
L34:
  mov    -0x18(%rbp),%eax
  sub    $0x3,%eax
  cmp    %eax,-0xc(%rbp)
  jl     L2
  jmp    L59
L66:
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <_mm_loadu_pd@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%edx
  mov    -0x28(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <_mm_storeu_pd@plt>
  addq   $0x20,-0x20(%rbp)
  addq   $0x20,-0x28(%rbp)
  addl   $0x1,-0xc(%rbp)
L59:
  mov    -0xc(%rbp),%eax
  cmp    -0x18(%rbp),%eax
  jl     L66
  cmpl   $0x1,-0x14(%rbp)
  jne    L35
  mov    -0x20(%rbp),%rax
  add    $0x8,%rax
  mov    %rax,%rdi
  call   <_mm_load_sd@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x28(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  mov    %rdx,%rdi
  call   <_mm_store_sd@plt>
  jmp    L35
L53:
  nop
L35:
  leave
  ret
```

assistant: ```c
void kernel_dgecp_2_0_lib4(int tri, int kmax, double *A, double *B) {
  if (tri == 1) {
    kmax += 1;
  }
  if (kmax <= 0)
    return;
  const int bs = 4;
  __m128d a_0;
  int k;
  for (k = 0; k < kmax - 3; k += 4) {
    a_0 = _mm_loadu_pd(&A[0 + bs * 0]);
    _mm_storeu_pd(&B[0 + bs * 0], a_0);
    a_0 = _mm_loadu_pd(&A[0 + bs * 1]);
    _mm_storeu_pd(&B[0 + bs * 1], a_0);
    a_0 = _mm_loadu_pd(&A[0 + bs * 2]);
    _mm_storeu_pd(&B[0 + bs * 2], a_0);
    a_0 = _mm_loadu_pd(&A[0 + bs * 3]);
    _mm_storeu_pd(&B[0 + bs * 3], a_0);
    A += 16;
    B += 16;
  }
  for (; k < kmax; k++) {
    a_0 = _mm_loadu_pd(&A[0 + bs * 0]);
    _mm_storeu_pd(&B[0 + bs * 0], a_0);
    A += 4;
    B += 4;
  }
  if (tri == 1) {
    a_0 = _mm_load_sd(&A[1 + bs * 0]);
    _mm_store_sd(&B[1 + bs * 0], a_0);
  }
}
```