user: 请从给定的汇编指令推导出C源代码:

```asm
<kernel_dtrmm_nt_l_2x2_lib4>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x54(%rbp)
  mov    %rsi,-0x60(%rbp)
  mov    %rdx,-0x68(%rbp)
  mov    %rcx,-0x70(%rbp)
  movl   $0x4,-0x48(%rbp)
  movl   $0x4,-0x44(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x30(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  movl   $0x0,-0x4c(%rbp)
  jmp    L15
L8:
  mov    -0x60(%rbp),%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0x60(%rbp),%rax
  movsd  0x8(%rax),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x68(%rbp),%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0x68(%rbp),%rax
  movsd  0x8(%rax),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x20(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x40(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  movsd  -0x18(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x30(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x30(%rbp)
  movsd  -0x20(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x38(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  movsd  -0x18(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x28(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0x48(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0x48(%rbp),%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x48(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0x48(%rbp),%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x20(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x40(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  movsd  -0x18(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x30(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x30(%rbp)
  movsd  -0x20(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x38(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  movsd  -0x18(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x28(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0x48(%rbp),%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0x48(%rbp),%eax
  add    %eax,%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x48(%rbp),%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0x48(%rbp),%eax
  add    %eax,%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x20(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x40(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  movsd  -0x18(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x30(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x30(%rbp)
  movsd  -0x20(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x38(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  movsd  -0x18(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x28(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0x48(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0x48(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x48(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0x48(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x20(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x40(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  movsd  -0x18(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x30(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x30(%rbp)
  movsd  -0x20(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x38(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  movsd  -0x18(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x28(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  subq   $0xffffffffffffff80,-0x60(%rbp)
  subq   $0xffffffffffffff80,-0x68(%rbp)
  addl   $0x4,-0x4c(%rbp)
L15:
  mov    -0x54(%rbp),%eax
  sub    $0x4,%eax
  cmp    %eax,-0x4c(%rbp)
  jl     L8
  mov    -0x60(%rbp),%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0x60(%rbp),%rax
  movsd  0x8(%rax),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x68(%rbp),%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0x68(%rbp),%rax
  movsd  0x8(%rax),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x20(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x40(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  movsd  -0x18(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movsd  -0x30(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x30(%rbp)
  mov    -0x70(%rbp),%rax
  movsd  -0x40(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x70(%rbp),%rax
  add    $0x8,%rax
  movsd  -0x30(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  movsd  -0x20(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x38(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  movsd  -0x18(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x28(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0x48(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0x48(%rbp),%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x48(%rbp),%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x20(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x38(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  movsd  -0x18(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x28(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0x44(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x70(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x38(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x44(%rbp),%eax
  add    $0x1,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x70(%rbp),%rax
  add    %rdx,%rax
  movsd  -0x28(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void kernel_dtrmm_nt_l_2x2_lib4(int kmax, double *A, double *B, double *D) {
  const int lda = 4;
  const int ldc = 4;
  int k;
  double a_0, a_1, b_0, b_1, c_00 = 0, c_01 = 0, c_10 = 0, c_11 = 0;
  for (k = 0; k < kmax - 4; k += 4) {
    a_0 = A[0 + lda * 0];
    a_1 = A[1 + lda * 0];
    b_0 = B[0 + lda * 0];
    b_1 = B[1 + lda * 0];
    c_00 += a_0 * b_0;
    c_10 += a_1 * b_0;
    c_01 += a_0 * b_1;
    c_11 += a_1 * b_1;
    a_0 = A[0 + lda * 1];
    a_1 = A[1 + lda * 1];
    b_0 = B[0 + lda * 1];
    b_1 = B[1 + lda * 1];
    c_00 += a_0 * b_0;
    c_10 += a_1 * b_0;
    c_01 += a_0 * b_1;
    c_11 += a_1 * b_1;
    a_0 = A[0 + lda * 2];
    a_1 = A[1 + lda * 2];
    b_0 = B[0 + lda * 2];
    b_1 = B[1 + lda * 2];
    c_00 += a_0 * b_0;
    c_10 += a_1 * b_0;
    c_01 += a_0 * b_1;
    c_11 += a_1 * b_1;
    a_0 = A[0 + lda * 3];
    a_1 = A[1 + lda * 3];
    b_0 = B[0 + lda * 3];
    b_1 = B[1 + lda * 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;
    A += 16;
    B += 16;
  }
  a_0 = A[0 + lda * 0];
  a_1 = A[1 + lda * 0];
  b_0 = B[0 + lda * 0];
  b_1 = B[1 + lda * 0];
  c_00 += a_0 * b_0;
  c_10 += a_1 * b_0;
  D[0 + ldc * 0] = c_00;
  D[1 + ldc * 0] = c_10;
  c_01 += a_0 * b_1;
  c_11 += a_1 * b_1;
  a_0 = A[0 + lda * 1];
  a_1 = A[1 + lda * 1];
  b_1 = B[1 + lda * 1];
  c_01 += a_0 * b_1;
  c_11 += a_1 * b_1;
  D[0 + ldc * 1] = c_01;
  D[1 + ldc * 1] = c_11;
}
```