user: 下面的汇编指令对应的C源代码是什么:

```asm
<fwd>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xb8,%rsp
  mov    0xf0(%rsp),%eax
  mov    %rdi,-0x60(%rsp)
  mov    %rdx,-0x8(%rsp)
  mov    0xf8(%rsp),%r13d
  mov    %rcx,-0x78(%rsp)
  mov    0x110(%rsp),%r14d
  mov    %r8d,0x30(%rsp)
  mov    %r9d,0x7c(%rsp)
  test   %eax,%eax
  jle    L52
  test   %r9d,%r9d
  jle    L52
  test   %r8d,%r8d
  jle    L52
  mov    %rsi,%r15
  lea    0x1(%r14),%edx
  mov    0x100(%rsp),%esi
  lea    -0x1(%r14),%eax
  movl   $0x0,-0x6c(%rsp)
  mov    %r15,%r12
  imul   %r13d,%esi
  mov    %esi,%ebx
  mov    %esi,0xb4(%rsp)
  imul   %edx,%esi
  imul   %r13d,%edx
  mov    %esi,0x90(%rsp)
  mov    %ebx,%esi
  imul   %eax,%esi
  mov    %edx,0x9c(%rsp)
  imul   %r13d,%eax
  mov    %esi,0x94(%rsp)
  mov    %ebx,%esi
  imul   %r14d,%ebx
  mov    %eax,0x98(%rsp)
  mov    %r14d,%eax
  imul   %r13d,%eax
  mov    %ebx,%ebp
  mov    %eax,0xb0(%rsp)
  cltq
  mov    %rax,0xa0(%rsp)
  movslq %r14d,%rax
  mov    %rax,0xa8(%rsp)
  shl    $0x2,%rax
  lea    (%r15,%rax,1),%rdi
  mov    %rax,0x68(%rsp)
  movslq %esi,%rax
  mov    %r14d,%r15d
  lea    0x0(,%rax,8),%rsi
  shl    $0x2,%rax
  mov    %rdi,0x70(%rsp)
  mov    %rax,0x20(%rsp)
  neg    %rax
  mov    %rax,(%rsp)
  movslq %r13d,%rax
  mov    %rsi,0x28(%rsp)
  lea    0x0(,%rax,8),%rsi
  mov    %rax,0x60(%rsp)
  shl    $0x2,%rax
  mov    %rax,0x10(%rsp)
  neg    %rax
  mov    %rax,0x8(%rsp)
  mov    %r14d,%eax
  shr    %eax
  mov    %rsi,0x18(%rsp)
  sub    $0x1,%eax
  lea    0x0(,%rax,8),%rdx
  mov    %r14d,%eax
  and    $0xfffffffe,%eax
  mov    %eax,0x34(%rsp)
  mov    %r14d,%eax
  mov    %r13d,%r14d
  or     $0x1,%eax
  mov    %eax,0x40(%rsp)
  lea    -0x8(%rdi),%rax
  mov    %rax,0x88(%rsp)
  mov    $0xfffffffffffffff8,%rax
  sub    %rdx,%rax
  mov    %rax,0x38(%rsp)
L97:
  mov    0xa0(%rsp),%rbx
  movslq 0x90(%rsp),%rax
  movl   $0x0,-0x70(%rsp)
  mov    0xb0(%rsp),%r13d
  add    %rbx,%rax
  mov    %rax,0x48(%rsp)
  movslq 0x94(%rsp),%rax
  add    %rbx,%rax
  mov    %rax,0x50(%rsp)
  movslq %ebp,%rax
  add    %rax,%rbx
  mov    %rbx,0x58(%rsp)
  mov    0x98(%rsp),%ebx
  mov    %ebx,0x44(%rsp)
  mov    0x9c(%rsp),%ebx
  mov    %ebx,0x78(%rsp)
  mov    0xa8(%rsp),%rbx
  add    %rbx,%rax
  mov    %rax,0x80(%rsp)
  nopl   0x0(%rax)
L58:
  mov    0x70(%rsp),%rax
  mov    0x48(%rsp),%rsi
  lea    0x0(%r13,%rbp,1),%ebx
  xor    %r9d,%r9d
  lea    (%rax,%rsi,4),%rsi
  mov    %rsi,-0x38(%rsp)
  mov    0x50(%rsp),%rsi
  lea    (%rax,%rsi,4),%rax
  mov    0x80(%rsp),%rsi
  mov    %rax,-0x58(%rsp)
  movslq 0x78(%rsp),%rax
  add    %rsi,%rax
  lea    (%r12,%rax,4),%rax
  mov    %rax,-0x50(%rsp)
  movslq 0x44(%rsp),%rax
  add    %rsi,%rax
  mov    0x88(%rsp),%rsi
  lea    (%r12,%rax,4),%rax
  mov    %rax,-0x48(%rsp)
  mov    0x58(%rsp),%rax
  shl    $0x2,%rax
  add    %rax,%rsi
  add    0x68(%rsp),%rax
  mov    %rsi,-0x40(%rsp)
  mov    %rax,-0x68(%rsp)
  cs nopw 0x0(%rax,%rax,1)
L25:
  mov    -0x68(%rsp),%rsi
  mov    -0x60(%rsp),%rdi
  lea    (%r9,%r15,1),%eax
  movss  (%r12,%rsi,1),%xmm2
  movaps %xmm2,%xmm1
  addss  %xmm2,%xmm1
  subss  (%rdi,%rsi,1),%xmm1
  mov    -0x78(%rsp),%rdi
  mulss  (%rdi),%xmm2
  test   %r15d,%r15d
  jle    L29
  cmp    $0x1,%r15d
  je     L42
  mov    -0x40(%rsp),%rdx
  lea    0x4(%rdi),%r10
  mov    0x38(%rsp),%rdi
  mov    %r13d,-0x28(%rsp)
  mov    %r9d,-0x24(%rsp)
  mov    -0x38(%rsp),%r8
  add    %rdx,%rdi
  mov    %eax,-0x20(%rsp)
  mov    -0x50(%rsp),%rsi
  lea    0xc(%rdx),%r11
  mov    %rdi,-0x30(%rsp)
  mov    -0x48(%rsp),%rcx
  mov    %ebx,-0x1c(%rsp)
  mov    -0x58(%rsp),%rdi
  mov    0x18(%rsp),%rax
  mov    0x20(%rsp),%r13
  mov    %ebp,-0x10(%rsp)
  mov    0x28(%rsp),%r9
  mov    (%rsp),%rbx
  mov    %r12,-0x18(%rsp)
  mov    0x8(%rsp),%rbp
  mov    0x10(%rsp),%r12
  mov    %r14d,-0xc(%rsp)
  mov    -0x30(%rsp),%r14
  nopl   0x0(%rax)
L61:
  movss  (%rdi),%xmm0
  sub    $0x8,%rdx
  add    $0x8,%r11
  add    $0x8,%r10
  movss  (%rdi,%rbx,1),%xmm4
  movss  (%r8,%r13,1),%xmm5
  sub    %r9,%rdi
  movq   0x8(%rdx),%xmm3
  unpcklps %xmm4,%xmm0
  movss  (%r8),%xmm4
  add    %r9,%r8
  shufps $0xe1,%xmm3,%xmm3
  unpcklps %xmm5,%xmm4
  movss  (%rsi,%r12,1),%xmm5
  addps  %xmm4,%xmm0
  movss  (%rsi),%xmm4
  add    %rax,%rsi
  unpcklps %xmm5,%xmm4
  movss  (%rcx,%rbp,1),%xmm5
  addps  %xmm4,%xmm0
  movss  (%rcx),%xmm4
  sub    %rax,%rcx
  unpcklps %xmm5,%xmm4
  addps  %xmm4,%xmm0
  movq   -0x8(%r11),%xmm4
  addps  %xmm4,%xmm0
  addps  %xmm3,%xmm0
  movq   -0x8(%r10),%xmm3
  mulps  %xmm3,%xmm0
  addss  %xmm0,%xmm2
  shufps $0xe5,%xmm0,%xmm0
  addss  %xmm0,%xmm2
  cmp    %rdx,%r14
  jne    L61
  mov    -0x28(%rsp),%r13d
  mov    -0x24(%rsp),%r9d
  mov    -0x20(%rsp),%eax
  mov    -0x1c(%rsp),%ebx
  mov    -0x10(%rsp),%ebp
  mov    -0x18(%rsp),%r12
  mov    -0xc(%rsp),%r14d
  cmp    %r15d,0x34(%rsp)
  je     L29
  movslq 0x40(%rsp),%rsi
L85:
  mov    -0x6c(%rsp),%edi
  mov    %edi,%ecx
  lea    (%rdi,%rsi,1),%edx
  mov    -0x70(%rsp),%edi
  sub    %esi,%ecx
  add    %r15d,%edx
  add    %r15d,%ecx
  imul   0x100(%rsp),%edx
  imul   0x100(%rsp),%ecx
  imul   %r14d,%edx
  imul   %r14d,%ecx
  add    %r13d,%edx
  add    %r13d,%ecx
  add    %eax,%edx
  add    %eax,%ecx
  movslq %edx,%rdx
  movslq %ecx,%rcx
  movss  (%r12,%rcx,4),%xmm0
  addss  (%r12,%rdx,4),%xmm0
  lea    (%rdi,%rsi,1),%edx
  sub    %esi,%edi
  add    %r15d,%edx
  imul   %r14d,%edx
  add    %ebp,%edx
  add    %eax,%edx
  movslq %edx,%rdx
  addss  (%r12,%rdx,4),%xmm0
  mov    %edi,%edx
  add    %r15d,%edx
  imul   %r14d,%edx
  add    %ebp,%edx
  add    %eax,%edx
  lea    (%r9,%rsi,1),%eax
  add    %r15d,%eax
  movslq %edx,%rdx
  add    %ebx,%eax
  addss  (%r12,%rdx,4),%xmm0
  cltq
  addss  (%r12,%rax,4),%xmm0
  mov    %r9d,%eax
  sub    %esi,%eax
  add    %r15d,%eax
  add    %ebx,%eax
  cltq
  addss  (%r12,%rax,4),%xmm0
  mov    -0x78(%rsp),%rax
  mulss  (%rax,%rsi,4),%xmm0
  addss  %xmm0,%xmm2
L29:
  mov    -0x68(%rsp),%rax
  mov    -0x8(%rsp),%rsi
  add    $0x1,%r9d
  addq   $0x4,-0x38(%rsp)
  mulss  (%rsi,%rax,1),%xmm2
  mov    -0x60(%rsp),%rsi
  addq   $0x4,-0x58(%rsp)
  addq   $0x4,-0x50(%rsp)
  addq   $0x4,-0x48(%rsp)
  addq   $0x4,-0x40(%rsp)
  addss  %xmm2,%xmm1
  movss  %xmm1,(%rsi,%rax,1)
  add    $0x4,%rax
  mov    %rax,-0x68(%rsp)
  cmp    %r9d,0x30(%rsp)
  jne    L25
  mov    0x60(%rsp),%rbx
  addl   $0x1,-0x70(%rsp)
  add    %r14d,%r13d
  add    %r14d,0x78(%rsp)
  mov    -0x70(%rsp),%eax
  add    %r14d,0x44(%rsp)
  add    %rbx,0x48(%rsp)
  add    %rbx,0x50(%rsp)
  add    %rbx,0x58(%rsp)
  cmp    %eax,0x7c(%rsp)
  jne    L58
  mov    0xb4(%rsp),%ebx
  addl   $0x1,-0x6c(%rsp)
  add    %ebx,0x90(%rsp)
  mov    -0x6c(%rsp),%eax
  add    %ebx,0x94(%rsp)
  add    %ebx,%ebp
  cmp    %eax,0xf0(%rsp)
  jne    L97
L52:
  add    $0xb8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L42:
  mov    $0x1,%esi
  jmp    L85
```

assistant: ```c
void fwd(float *next, float *curr, float *vsq, float *c_coeff, int nx, int ny, int nz, int dimx, int dimy, int dimz, int radius) {
#pragma omp parallel for collapse(3)
  for (int z = 0; z < nz; z++) {
    for (int y = 0; y < ny; y++) {
      for (int x = 0; x < nx; x++) {
        int this_offset = (((radius) + (z)) * (dimy) * (dimx) + ((radius) + (y)) * (dimx) + ((radius) + (x)));
        float temp = 2.0f * curr[this_offset] - next[this_offset];
        float div = c_coeff[0] * curr[this_offset];
        for (int d = 1; d <= radius; d++) {
          int z_pos_offset = (((radius) + (z + d)) * (dimy) * (dimx) + ((radius) + (y)) * (dimx) + ((radius) + (x)));
          int z_neg_offset = (((radius) + (z - d)) * (dimy) * (dimx) + ((radius) + (y)) * (dimx) + ((radius) + (x)));
          int y_pos_offset = (((radius) + (z)) * (dimy) * (dimx) + ((radius) + (y + d)) * (dimx) + ((radius) + (x)));
          int y_neg_offset = (((radius) + (z)) * (dimy) * (dimx) + ((radius) + (y - d)) * (dimx) + ((radius) + (x)));
          int x_pos_offset = (((radius) + (z)) * (dimy) * (dimx) + ((radius) + (y)) * (dimx) + ((radius) + (x + d)));
          int x_neg_offset = (((radius) + (z)) * (dimy) * (dimx) + ((radius) + (y)) * (dimx) + ((radius) + (x - d)));
          div += c_coeff[d] * (curr[z_pos_offset] + curr[z_neg_offset] + curr[y_pos_offset] + curr[y_neg_offset] + curr[x_pos_offset] + curr[x_neg_offset]);
        }
        next[this_offset] = temp + div * vsq[this_offset];
      }
    }
  }
}
```