user: What would the C source look like for the assembly code provided here?

```asm
<affine_multiply>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  mov    -0x40(%rbp),%rax
  movsd  (%rax),%xmm1
  mov    -0x48(%rbp),%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm0,%xmm1
  mov    -0x40(%rbp),%rax
  add    $0x8,%rax
  movsd  (%rax),%xmm2
  mov    -0x48(%rbp),%rax
  add    $0x10,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x30(%rbp)
  mov    -0x40(%rbp),%rax
  movsd  (%rax),%xmm1
  mov    -0x48(%rbp),%rax
  add    $0x8,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm0,%xmm1
  mov    -0x40(%rbp),%rax
  add    $0x8,%rax
  movsd  (%rax),%xmm2
  mov    -0x48(%rbp),%rax
  add    $0x18,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0x40(%rbp),%rax
  add    $0x10,%rax
  movsd  (%rax),%xmm1
  mov    -0x48(%rbp),%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm0,%xmm1
  mov    -0x40(%rbp),%rax
  add    $0x18,%rax
  movsd  (%rax),%xmm2
  mov    -0x48(%rbp),%rax
  add    $0x10,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0x40(%rbp),%rax
  add    $0x10,%rax
  movsd  (%rax),%xmm1
  mov    -0x48(%rbp),%rax
  add    $0x8,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm0,%xmm1
  mov    -0x40(%rbp),%rax
  add    $0x18,%rax
  movsd  (%rax),%xmm2
  mov    -0x48(%rbp),%rax
  add    $0x18,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x40(%rbp),%rax
  add    $0x20,%rax
  movsd  (%rax),%xmm1
  mov    -0x48(%rbp),%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm0,%xmm1
  mov    -0x40(%rbp),%rax
  add    $0x28,%rax
  movsd  (%rax),%xmm2
  mov    -0x48(%rbp),%rax
  add    $0x10,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  %xmm0,%xmm1
  mov    -0x48(%rbp),%rax
  add    $0x20,%rax
  movsd  (%rax),%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0x40(%rbp),%rax
  add    $0x20,%rax
  movsd  (%rax),%xmm1
  mov    -0x48(%rbp),%rax
  add    $0x8,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm0,%xmm1
  mov    -0x40(%rbp),%rax
  add    $0x28,%rax
  movsd  (%rax),%xmm2
  mov    -0x48(%rbp),%rax
  add    $0x18,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  %xmm0,%xmm1
  mov    -0x48(%rbp),%rax
  add    $0x28,%rax
  movsd  (%rax),%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  mov    -0x38(%rbp),%rax
  movsd  -0x30(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x38(%rbp),%rax
  add    $0x8,%rax
  movsd  -0x28(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x38(%rbp),%rax
  add    $0x10,%rax
  movsd  -0x20(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x38(%rbp),%rax
  add    $0x18,%rax
  movsd  -0x18(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x38(%rbp),%rax
  add    $0x20,%rax
  movsd  -0x10(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x38(%rbp),%rax
  add    $0x28,%rax
  movsd  -0x8(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void affine_multiply(double dst[6], const double src1[6], const double src2[6]) {
  double d0, d1, d2, d3, d4, d5;
  d0 = src1[0] * src2[0] + src1[1] * src2[2];
  d1 = src1[0] * src2[1] + src1[1] * src2[3];
  d2 = src1[2] * src2[0] + src1[3] * src2[2];
  d3 = src1[2] * src2[1] + src1[3] * src2[3];
  d4 = src1[4] * src2[0] + src1[5] * src2[2] + src2[4];
  d5 = src1[4] * src2[1] + src1[5] * src2[3] + src2[5];
  dst[0] = d0;
  dst[1] = d1;
  dst[2] = d2;
  dst[3] = d3;
  dst[4] = d4;
  dst[5] = d5;
}
```