user: 请将以下的汇编代码转换成C语言代码：

```asm
<fwd>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  mov    %rcx,-0x50(%rbp)
  mov    %r8d,-0x54(%rbp)
  mov    %r9d,-0x58(%rbp)
  movl   $0x0,-0x28(%rbp)
  jmp    L8
L20:
  movl   $0x0,-0x24(%rbp)
  jmp    L52
L26:
  mov    0x20(%rbp),%edx
  mov    -0x28(%rbp),%eax
  add    %edx,%eax
  imul   0x10(%rbp),%eax
  mov    0x20(%rbp),%ecx
  mov    -0x24(%rbp),%edx
  add    %ecx,%edx
  add    %edx,%eax
  mov    %eax,-0x18(%rbp)
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  addss  %xmm0,%xmm0
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm1
  subss  %xmm1,%xmm0
  movss  %xmm0,-0x14(%rbp)
  mov    -0x50(%rbp),%rax
  movss  (%rax),%xmm1
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mulss  %xmm1,%xmm0
  movss  %xmm0,-0x20(%rbp)
  movl   $0x1,-0x1c(%rbp)
  jmp    L43
L31:
  mov    -0x28(%rbp),%edx
  mov    -0x1c(%rbp),%eax
  add    %eax,%edx
  mov    0x20(%rbp),%eax
  add    %edx,%eax
  imul   0x10(%rbp),%eax
  mov    0x20(%rbp),%ecx
  mov    -0x24(%rbp),%edx
  add    %ecx,%edx
  add    %edx,%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x28(%rbp),%eax
  sub    -0x1c(%rbp),%eax
  mov    %eax,%edx
  mov    0x20(%rbp),%eax
  add    %edx,%eax
  imul   0x10(%rbp),%eax
  mov    0x20(%rbp),%ecx
  mov    -0x24(%rbp),%edx
  add    %ecx,%edx
  add    %edx,%eax
  mov    %eax,-0xc(%rbp)
  mov    0x20(%rbp),%edx
  mov    -0x28(%rbp),%eax
  add    %edx,%eax
  imul   0x10(%rbp),%eax
  mov    -0x24(%rbp),%ecx
  mov    -0x1c(%rbp),%edx
  add    %edx,%ecx
  mov    0x20(%rbp),%edx
  add    %ecx,%edx
  add    %edx,%eax
  mov    %eax,-0x8(%rbp)
  mov    0x20(%rbp),%edx
  mov    -0x28(%rbp),%eax
  add    %edx,%eax
  imul   0x10(%rbp),%eax
  mov    %eax,%edx
  mov    -0x24(%rbp),%eax
  sub    -0x1c(%rbp),%eax
  mov    %eax,%ecx
  mov    0x20(%rbp),%eax
  add    %ecx,%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x1c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm1
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm2
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  addss  %xmm0,%xmm2
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  addss  %xmm0,%xmm2
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  addss  %xmm2,%xmm0
  mulss  %xmm1,%xmm0
  movss  -0x20(%rbp),%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,-0x20(%rbp)
  addl   $0x1,-0x1c(%rbp)
L43:
  mov    -0x1c(%rbp),%eax
  cmp    0x20(%rbp),%eax
  jle    L31
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mulss  -0x20(%rbp),%xmm0
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  addss  -0x14(%rbp),%xmm0
  movss  %xmm0,(%rax)
  addl   $0x1,-0x24(%rbp)
L52:
  mov    -0x24(%rbp),%eax
  cmp    -0x54(%rbp),%eax
  jl     L26
  addl   $0x1,-0x28(%rbp)
L8:
  mov    -0x28(%rbp),%eax
  cmp    -0x58(%rbp),%eax
  jl     L20
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void fwd(float *next, float *curr, float *vsq, float *c_coeff, int nx, int ny, int dimx, int dimy, int radius) {
#pragma acc parallel present(next [0:dimx * dimy], curr [0:dimx * dimy], vsq [0:dimx * dimy], c_coeff [0:NUM_COEFF])
#pragma acc loop collapse(2) gang worker vector
  for (int y = 0; y < ny; y++) {
    for (int x = 0; x < nx; x++) {
      int this_offset = (((radius) + (y)) * (dimx) + ((radius) + (x)));
      float temp = 2.0f * curr[this_offset] - next[this_offset];
      float div = c_coeff[0] * curr[this_offset];
#pragma acc loop seq
      for (int d = 1; d <= radius; d++) {
        int y_pos_offset = (((radius) + (y + d)) * (dimx) + ((radius) + (x)));
        int y_neg_offset = (((radius) + (y - d)) * (dimx) + ((radius) + (x)));
        int x_pos_offset = (((radius) + (y)) * (dimx) + ((radius) + (x + d)));
        int x_neg_offset = (((radius) + (y)) * (dimx) + ((radius) + (x - d)));
        div += c_coeff[d] * (curr[y_pos_offset] + curr[y_neg_offset] + curr[x_pos_offset] + curr[x_neg_offset]);
      }
      next[this_offset] = temp + div * vsq[this_offset];
    }
  }
}
```