user: 下面的汇编指令对应的C源代码是什么:

```asm
<kernel_dgemm_nn_2x4_vs_lib4>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x68,%rsp
  mov    %edi,-0xc4(%rbp)
  mov    %esi,-0xc8(%rbp)
  mov    %edx,-0xcc(%rbp)
  mov    %rcx,-0xd8(%rbp)
  mov    %r8,-0xe0(%rbp)
  mov    %r9d,-0xd0(%rbp)
  cmpl   $0x0,-0xcc(%rbp)
  jle    L130
  movl   $0x4,-0xb4(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0xb0(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0xa8(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0xa0(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x98(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x90(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x88(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x80(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x78(%rbp)
  movl   $0x0,-0xb8(%rbp)
  jmp    L74
L170:
  mov    -0xd8(%rbp),%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x30(%rbp)
  mov    -0xd8(%rbp),%rax
  movsd  0x8(%rax),%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0xe0(%rbp),%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0xb4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0xb4(%rbp),%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0xb4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movsd  -0xb0(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xb0(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movsd  -0x90(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x90(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x18(%rbp),%xmm0
  movsd  -0xa8(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xa8(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x18(%rbp),%xmm0
  movsd  -0x88(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x88(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0xa0(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xa0(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x80(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x80(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x98(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x98(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x78(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x78(%rbp)
  mov    -0xb4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xd8(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x30(%rbp)
  mov    -0xb4(%rbp),%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xd8(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0xe0(%rbp),%rax
  movsd  0x8(%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0xb4(%rbp),%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0xb4(%rbp),%eax
  add    %eax,%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0xb4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movsd  -0xb0(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xb0(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movsd  -0x90(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x90(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x18(%rbp),%xmm0
  movsd  -0xa8(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xa8(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x18(%rbp),%xmm0
  movsd  -0x88(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x88(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0xa0(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xa0(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x80(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x80(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x98(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x98(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x78(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x78(%rbp)
  mov    -0xb4(%rbp),%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xd8(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x30(%rbp)
  mov    -0xb4(%rbp),%eax
  add    %eax,%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xd8(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0xe0(%rbp),%rax
  movsd  0x10(%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0xb4(%rbp),%eax
  add    $0x2,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0xb4(%rbp),%eax
  add    $0x1,%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0xb4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    $0x2,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movsd  -0xb0(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xb0(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movsd  -0x90(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x90(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x18(%rbp),%xmm0
  movsd  -0xa8(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xa8(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x18(%rbp),%xmm0
  movsd  -0x88(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x88(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0xa0(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xa0(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x80(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x80(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x98(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x98(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x78(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x78(%rbp)
  mov    -0xb4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xd8(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x30(%rbp)
  mov    -0xb4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xd8(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0xe0(%rbp),%rax
  movsd  0x18(%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0xb4(%rbp),%eax
  add    $0x3,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0xb4(%rbp),%eax
  add    %eax,%eax
  add    $0x3,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0xb4(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movsd  -0xb0(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xb0(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movsd  -0x90(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x90(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x18(%rbp),%xmm0
  movsd  -0xa8(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xa8(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x18(%rbp),%xmm0
  movsd  -0x88(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x88(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0xa0(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xa0(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x80(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x80(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x98(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x98(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x78(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x78(%rbp)
  subq   $0xffffffffffffff80,-0xd8(%rbp)
  mov    -0xd0(%rbp),%eax
  shl    $0x2,%eax
  cltq
  shl    $0x3,%rax
  add    %rax,-0xe0(%rbp)
  addl   $0x4,-0xb8(%rbp)
L74:
  mov    -0xcc(%rbp),%eax
  sub    $0x3,%eax
  cmp    %eax,-0xb8(%rbp)
  jl     L170
  jmp    L29
L56:
  mov    -0xd8(%rbp),%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x30(%rbp)
  mov    -0xd8(%rbp),%rax
  movsd  0x8(%rax),%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0xe0(%rbp),%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0xb4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0xb4(%rbp),%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0xb4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movsd  -0xb0(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xb0(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movsd  -0x90(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x90(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x18(%rbp),%xmm0
  movsd  -0xa8(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xa8(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x18(%rbp),%xmm0
  movsd  -0x88(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x88(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0xa0(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0xa0(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x80(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x80(%rbp)
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x98(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x98(%rbp)
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x78(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x78(%rbp)
  addq   $0x20,-0xd8(%rbp)
  addq   $0x8,-0xe0(%rbp)
  addl   $0x1,-0xb8(%rbp)
L29:
  mov    -0xb8(%rbp),%eax
  cmp    -0xcc(%rbp),%eax
  jl     L56
  cmpl   $0x0,0x20(%rbp)
  jne    L9
  cmpl   $0x0,0x30(%rbp)
  jne    L191
  jmp    L232
L9:
  cmpl   $0x0,0x28(%rbp)
  jne    L59
  mov    0x10(%rbp),%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x70(%rbp)
  mov    0x10(%rbp),%rax
  movsd  0x8(%rax),%xmm0
  movsd  %xmm0,-0x50(%rbp)
  mov    -0xb4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x68(%rbp)
  mov    -0xb4(%rbp),%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x48(%rbp)
  mov    -0xb4(%rbp),%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x60(%rbp)
  mov    -0xb4(%rbp),%eax
  add    %eax,%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x40(%rbp)
  mov    -0xb4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x58(%rbp)
  mov    -0xb4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x38(%rbp)
  jmp    L102
L59:
  mov    0x10(%rbp),%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x70(%rbp)
  mov    0x10(%rbp),%rax
  movsd  0x8(%rax),%xmm0
  movsd  %xmm0,-0x68(%rbp)
  mov    0x10(%rbp),%rax
  movsd  0x10(%rax),%xmm0
  movsd  %xmm0,-0x60(%rbp)
  mov    0x10(%rbp),%rax
  movsd  0x18(%rax),%xmm0
  movsd  %xmm0,-0x58(%rbp)
  mov    -0xb4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x50(%rbp)
  mov    -0xb4(%rbp),%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x48(%rbp)
  mov    -0xb4(%rbp),%eax
  add    $0x2,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x40(%rbp)
  mov    -0xb4(%rbp),%eax
  add    $0x3,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x38(%rbp)
L102:
  cmpl   $0x1,0x20(%rbp)
  jne    L242
  movsd  -0xb0(%rbp),%xmm0
  addsd  -0x70(%rbp),%xmm0
  movsd  %xmm0,-0xb0(%rbp)
  movsd  -0x90(%rbp),%xmm0
  addsd  -0x50(%rbp),%xmm0
  movsd  %xmm0,-0x90(%rbp)
  movsd  -0xa8(%rbp),%xmm0
  addsd  -0x68(%rbp),%xmm0
  movsd  %xmm0,-0xa8(%rbp)
  movsd  -0x88(%rbp),%xmm0
  addsd  -0x48(%rbp),%xmm0
  movsd  %xmm0,-0x88(%rbp)
  movsd  -0xa0(%rbp),%xmm0
  addsd  -0x60(%rbp),%xmm0
  movsd  %xmm0,-0xa0(%rbp)
  movsd  -0x80(%rbp),%xmm0
  addsd  -0x40(%rbp),%xmm0
  movsd  %xmm0,-0x80(%rbp)
  movsd  -0x98(%rbp),%xmm0
  addsd  -0x58(%rbp),%xmm0
  movsd  %xmm0,-0x98(%rbp)
  movsd  -0x78(%rbp),%xmm0
  addsd  -0x38(%rbp),%xmm0
  movsd  %xmm0,-0x78(%rbp)
  jmp    L104
L242:
  movsd  -0x70(%rbp),%xmm0
  subsd  -0xb0(%rbp),%xmm0
  movsd  %xmm0,-0xb0(%rbp)
  movsd  -0x50(%rbp),%xmm0
  subsd  -0x90(%rbp),%xmm0
  movsd  %xmm0,-0x90(%rbp)
  movsd  -0x68(%rbp),%xmm0
  subsd  -0xa8(%rbp),%xmm0
  movsd  %xmm0,-0xa8(%rbp)
  movsd  -0x48(%rbp),%xmm0
  subsd  -0x88(%rbp),%xmm0
  movsd  %xmm0,-0x88(%rbp)
  movsd  -0x60(%rbp),%xmm0
  subsd  -0xa0(%rbp),%xmm0
  movsd  %xmm0,-0xa0(%rbp)
  movsd  -0x40(%rbp),%xmm0
  subsd  -0x80(%rbp),%xmm0
  movsd  %xmm0,-0x80(%rbp)
  movsd  -0x58(%rbp),%xmm0
  subsd  -0x98(%rbp),%xmm0
  movsd  %xmm0,-0x98(%rbp)
  movsd  -0x38(%rbp),%xmm0
  subsd  -0x78(%rbp),%xmm0
  movsd  %xmm0,-0x78(%rbp)
L104:
  cmpl   $0x0,0x30(%rbp)
  jne    L259
  nop
L232:
  cmpl   $0x1,-0xc4(%rbp)
  jle    L69
  mov    0x18(%rbp),%rax
  movsd  -0xb0(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    0x18(%rbp),%rax
  add    $0x8,%rax
  movsd  -0x90(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0xb4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0xa8(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0xb4(%rbp),%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x88(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0xb4(%rbp),%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0xa0(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0xb4(%rbp),%eax
  add    %eax,%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x80(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  cmpl   $0x3,-0xc8(%rbp)
  jle    L110
  mov    -0xb4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x98(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0xb4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x78(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  jmp    L110
L69:
  mov    0x18(%rbp),%rax
  movsd  -0xb0(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0xb4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0xa8(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0xb4(%rbp),%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0xa0(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  cmpl   $0x3,-0xc8(%rbp)
  jle    L110
  mov    -0xb4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x98(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  jmp    L110
L191:
  nop
  jmp    L33
L259:
  nop
L33:
  cmpl   $0x3,-0xc8(%rbp)
  jle    L239
  mov    0x18(%rbp),%rax
  movsd  -0xb0(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    0x18(%rbp),%rax
  add    $0x8,%rax
  movsd  -0xa8(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    0x18(%rbp),%rax
  add    $0x10,%rax
  movsd  -0xa0(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    0x18(%rbp),%rax
  add    $0x18,%rax
  movsd  -0x98(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  cmpl   $0x1,-0xc4(%rbp)
  jle    L89
  mov    -0xb4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x90(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0xb4(%rbp),%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x88(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0xb4(%rbp),%eax
  add    $0x2,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x80(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0xb4(%rbp),%eax
  add    $0x3,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x78(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  jmp    L89
L239:
  mov    0x18(%rbp),%rax
  movsd  -0xb0(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    0x18(%rbp),%rax
  add    $0x8,%rax
  movsd  -0xa8(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    0x18(%rbp),%rax
  add    $0x10,%rax
  movsd  -0xa0(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  cmpl   $0x1,-0xc4(%rbp)
  jle    L89
  mov    -0xb4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x90(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0xb4(%rbp),%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x88(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0xb4(%rbp),%eax
  add    $0x2,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x80(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  jmp    L89
L130:
  nop
  jmp    L253
L110:
  nop
  jmp    L253
L89:
  nop
L253:
  leave
  ret
```

assistant: ```c
void kernel_dgemm_nn_2x4_vs_lib4(int km, int kn, int kmax, double *A, double *B, int sdb, double *C, double *D, int alg, int tc, int td) {
  if (kmax <= 0)
    return;
  const int bs = 4;
  int k;
  double a_0, a_1, b_0, b_1, b_2, b_3, c_00 = 0, c_01 = 0, c_02 = 0, c_03 = 0, c_10 = 0, c_11 = 0, c_12 = 0, c_13 = 0;
  for (k = 0; k < kmax - 3; k += 4) {
    a_0 = A[0 + bs * 0];
    a_1 = A[1 + bs * 0];
    b_0 = B[0 + bs * 0];
    b_1 = B[0 + bs * 1];
    b_2 = B[0 + bs * 2];
    b_3 = B[0 + bs * 3];
    c_00 += a_0 * b_0;
    c_10 += a_1 * b_0;
    c_01 += a_0 * b_1;
    c_11 += a_1 * b_1;
    c_02 += a_0 * b_2;
    c_12 += a_1 * b_2;
    c_03 += a_0 * b_3;
    c_13 += a_1 * b_3;
    a_0 = A[0 + bs * 1];
    a_1 = A[1 + bs * 1];
    b_0 = B[1 + bs * 0];
    b_1 = B[1 + bs * 1];
    b_2 = B[1 + bs * 2];
    b_3 = B[1 + bs * 3];
    c_00 += a_0 * b_0;
    c_10 += a_1 * b_0;
    c_01 += a_0 * b_1;
    c_11 += a_1 * b_1;
    c_02 += a_0 * b_2;
    c_12 += a_1 * b_2;
    c_03 += a_0 * b_3;
    c_13 += a_1 * b_3;
    a_0 = A[0 + bs * 2];
    a_1 = A[1 + bs * 2];
    b_0 = B[2 + bs * 0];
    b_1 = B[2 + bs * 1];
    b_2 = B[2 + bs * 2];
    b_3 = B[2 + bs * 3];
    c_00 += a_0 * b_0;
    c_10 += a_1 * b_0;
    c_01 += a_0 * b_1;
    c_11 += a_1 * b_1;
    c_02 += a_0 * b_2;
    c_12 += a_1 * b_2;
    c_03 += a_0 * b_3;
    c_13 += a_1 * b_3;
    a_0 = A[0 + bs * 3];
    a_1 = A[1 + bs * 3];
    b_0 = B[3 + bs * 0];
    b_1 = B[3 + bs * 1];
    b_2 = B[3 + bs * 2];
    b_3 = B[3 + bs * 3];
    c_00 += a_0 * b_0;
    c_10 += a_1 * b_0;
    c_01 += a_0 * b_1;
    c_11 += a_1 * b_1;
    c_02 += a_0 * b_2;
    c_12 += a_1 * b_2;
    c_03 += a_0 * b_3;
    c_13 += a_1 * b_3;
    A += 16;
    B += 4 * sdb;
  }
  for (; k < kmax; k++) {
    a_0 = A[0 + bs * 0];
    a_1 = A[1 + bs * 0];
    b_0 = B[0 + bs * 0];
    b_1 = B[0 + bs * 1];
    b_2 = B[0 + bs * 2];
    b_3 = B[0 + bs * 3];
    c_00 += a_0 * b_0;
    c_10 += a_1 * b_0;
    c_01 += a_0 * b_1;
    c_11 += a_1 * b_1;
    c_02 += a_0 * b_2;
    c_12 += a_1 * b_2;
    c_03 += a_0 * b_3;
    c_13 += a_1 * b_3;
    A += 4;
    B += 1;
  }
  double d_00, d_01, d_02, d_03, d_10, d_11, d_12, d_13;
  if (alg == 0) {
    if (td == 0) {
      goto store_n;
    } else {
      goto store_t;
    }
  } else {
    if (tc == 0) {
      d_00 = C[0 + bs * 0];
      d_10 = C[1 + bs * 0];
      d_01 = C[0 + bs * 1];
      d_11 = C[1 + bs * 1];
      d_02 = C[0 + bs * 2];
      d_12 = C[1 + bs * 2];
      d_03 = C[0 + bs * 3];
      d_13 = C[1 + bs * 3];
    } else {
      d_00 = C[0 + bs * 0];
      d_01 = C[1 + bs * 0];
      d_02 = C[2 + bs * 0];
      d_03 = C[3 + bs * 0];
      d_10 = C[0 + bs * 1];
      d_11 = C[1 + bs * 1];
      d_12 = C[2 + bs * 1];
      d_13 = C[3 + bs * 1];
    }
    if (alg == 1) {
      c_00 = d_00 + c_00;
      c_10 = d_10 + c_10;
      c_01 = d_01 + c_01;
      c_11 = d_11 + c_11;
      c_02 = d_02 + c_02;
      c_12 = d_12 + c_12;
      c_03 = d_03 + c_03;
      c_13 = d_13 + c_13;
    } else {
      c_00 = d_00 - c_00;
      c_10 = d_10 - c_10;
      c_01 = d_01 - c_01;
      c_11 = d_11 - c_11;
      c_02 = d_02 - c_02;
      c_12 = d_12 - c_12;
      c_03 = d_03 - c_03;
      c_13 = d_13 - c_13;
    }
    if (td == 0) {
      goto store_n;
    } else {
      goto store_t;
    }
  }
store_n:
  if (km >= 2) {
    D[0 + bs * 0] = c_00;
    D[1 + bs * 0] = c_10;
    D[0 + bs * 1] = c_01;
    D[1 + bs * 1] = c_11;
    D[0 + bs * 2] = c_02;
    D[1 + bs * 2] = c_12;
    if (kn >= 4) {
      D[0 + bs * 3] = c_03;
      D[1 + bs * 3] = c_13;
    }
  } else {
    D[0 + bs * 0] = c_00;
    D[0 + bs * 1] = c_01;
    D[0 + bs * 2] = c_02;
    if (kn >= 4) {
      D[0 + bs * 3] = c_03;
    }
  }
  return;
store_t:
  if (kn >= 4) {
    D[0 + bs * 0] = c_00;
    D[1 + bs * 0] = c_01;
    D[2 + bs * 0] = c_02;
    D[3 + bs * 0] = c_03;
    if (km >= 2) {
      D[0 + bs * 1] = c_10;
      D[1 + bs * 1] = c_11;
      D[2 + bs * 1] = c_12;
      D[3 + bs * 1] = c_13;
    }
  } else {
    D[0 + bs * 0] = c_00;
    D[1 + bs * 0] = c_01;
    D[2 + bs * 0] = c_02;
    if (km >= 2) {
      D[0 + bs * 1] = c_10;
      D[1 + bs * 1] = c_11;
      D[2 + bs * 1] = c_12;
    }
  }
  return;
}
```