user: 这段汇编代码用C语言表示是什么样的:

```asm
<daxpy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x24(%rbp)
  movsd  %xmm0,-0x30(%rbp)
  mov    %rsi,-0x38(%rbp)
  mov    %edx,-0x28(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    %r8d,-0x44(%rbp)
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  cmpl   $0x0,-0x24(%rbp)
  jle    L184
  pxor   %xmm0,%xmm0
  ucomisd -0x30(%rbp),%xmm0
  jp     L1
  pxor   %xmm0,%xmm0
  ucomisd -0x30(%rbp),%xmm0
  je     L138
L1:
  cmpl   $0x1,-0x28(%rbp)
  jne    L68
  cmpl   $0x1,-0x44(%rbp)
  je     L164
L68:
  movl   $0x0,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
  cmpl   $0x0,-0x28(%rbp)
  jns    L81
  mov    $0x1,%eax
  sub    -0x24(%rbp),%eax
  mov    -0x28(%rbp),%edx
  imul   %edx,%eax
  mov    %eax,-0x10(%rbp)
L81:
  cmpl   $0x0,-0x44(%rbp)
  jns    L89
  mov    $0x1,%eax
  sub    -0x24(%rbp),%eax
  mov    -0x44(%rbp),%edx
  imul   %edx,%eax
  mov    %eax,-0xc(%rbp)
L89:
  movl   $0x0,-0x14(%rbp)
  jmp    L71
L50:
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  -0x30(%rbp),%xmm0
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x28(%rbp),%eax
  add    %eax,-0x10(%rbp)
  mov    -0x44(%rbp),%eax
  add    %eax,-0xc(%rbp)
  addl   $0x1,-0x14(%rbp)
L71:
  mov    -0x14(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L50
  jmp    L82
L164:
  mov    -0x24(%rbp),%eax
  cltd
  shr    $0x1e,%edx
  add    %edx,%eax
  and    $0x3,%eax
  sub    %edx,%eax
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  je     L110
  movl   $0x0,-0x14(%rbp)
  jmp    L132
L127:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  -0x30(%rbp),%xmm0
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x14(%rbp)
L132:
  mov    -0x14(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jl     L127
  cmpl   $0x3,-0x24(%rbp)
  jle    L170
L110:
  mov    -0x4(%rbp),%eax
  mov    %eax,-0x14(%rbp)
  jmp    L174
L131:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  -0x30(%rbp),%xmm0
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x14(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x14(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  -0x30(%rbp),%xmm0
  mov    -0x14(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x14(%rbp),%eax
  cltq
  add    $0x2,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x14(%rbp),%eax
  cltq
  add    $0x2,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  -0x30(%rbp),%xmm0
  mov    -0x14(%rbp),%eax
  cltq
  add    $0x2,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x14(%rbp),%eax
  cltq
  add    $0x3,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x14(%rbp),%eax
  cltq
  add    $0x3,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  -0x30(%rbp),%xmm0
  mov    -0x14(%rbp),%eax
  cltq
  add    $0x3,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x4,-0x14(%rbp)
L174:
  mov    -0x14(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L131
  jmp    L82
L184:
  nop
  jmp    L82
L138:
  nop
  jmp    L82
L170:
  nop
L82:
  pop    %rbp
  ret
```

assistant: ```c
void daxpy(int n, double da, double dx[], int incx, double dy[], int incy) {
  int i, ix, iy, m, mp1;
  mp1 = 0;
  m = 0;
  if (n <= 0)
    return;
  if (da == 0.0e0)
    return;
  if (incx != 1 || incy != 1) {
    ix = 0;
    iy = 0;
    if (incx < 0)
      ix = (-n + 1) * incx;
    if (incy < 0)
      iy = (-n + 1) * incy;
    for (i = 0; i < n; i++) {
      dy[iy] = dy[iy] + da * dx[ix];
      ix = ix + incx;
      iy = iy + incy;
    }
    return;
  }
  m = n % 4;
  if (m != 0) {
    for (i = 0; i < m; i++)
      dy[i] = dy[i] + da * dx[i];
    if (n < 4)
      return;
  }
  for (i = m; i < n; i = i + 4) {
    dy[i] = dy[i] + da * dx[i];
    dy[i + 1] = dy[i + 1] + da * dx[i + 1];
    dy[i + 2] = dy[i + 2] + da * dx[i + 2];
    dy[i + 3] = dy[i + 3] + da * dx[i + 3];
  }
  return;
}
```