user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<setbv>:
  endbr64
  push   %r15
  push   %r14
  mov    %ecx,%r14d
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0xa8,%rsp
  mov    %esi,0x10(%rsp)
  mov    %r8d,(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x98(%rsp)
  xor    %eax,%eax
  test   %ecx,%ecx
  jle    L147
  movslq %r8d,%rax
  mov    %rbx,%r10
  mov    %ecx,%r9d
  movq   $0x0,0x28(%rsp)
  lea    -0x8(,%rax,8),%r15
  movslq %ecx,%rax
  mov    %rax,0x30(%rsp)
  lea    -0x1(%r8),%eax
  mov    %esi,%r8d
  mov    %eax,0x38(%rsp)
  nopl   0x0(%rax,%rax,1)
L140:
  mov    0x28(%rsp),%ebx
  test   %r8d,%r8d
  jle    L143
  mov    0x28(%rsp),%rax
  xor    %r14d,%r14d
  mov    %ebx,0x4(%rsp)
  lea    0x40(%rsp),%r12
  mov    %r10,%rbx
  lea    0x70(%rsp),%rbp
  mov    %r14,%r10
  mov    %r8d,%r14d
  lea    0x0(,%rax,8),%r13
  movslq %r8d,%rax
  mov    %rax,0x20(%rsp)
  nopl   0x0(%rax)
L120:
  mov    %r10,0x18(%rsp)
  sub    $0x8,%rsp
  mov    %r10d,%edi
  mov    %r14d,%r8d
  mov    0x8(%rsp),%eax
  mov    %r12,%rcx
  xor    %edx,%edx
  push   %rax
  mov    0x14(%rsp),%esi
  mov    %r10d,0x24(%rsp)
  mov    %r9d,0x18(%rsp)
  call   <exact@plt>
  mov    0x10(%rsp),%eax
  mov    0x48(%rsp),%edx
  mov    %rbp,%rcx
  mov    0x18(%rsp),%r9d
  mov    0x14(%rsp),%esi
  mov    %r14d,%r8d
  mov    0x24(%rsp),%edi
  mov    %eax,(%rsp)
  call   <exact@plt>
  mov    0x28(%rsp),%r10
  pop    %r9
  xor    %eax,%eax
  pop    %r11
  mov    0x8(%rsp),%r9d
  lea    0x0(,%r10,8),%rcx
L5:
  mov    (%rbx,%rax,1),%rdx
  movsd  (%r12,%rax,1),%xmm0
  mov    (%rdx,%rcx,1),%rdx
  mov    (%rdx,%r13,1),%rdx
  movsd  %xmm0,(%rdx)
  movsd  0x0(%rbp,%rax,1),%xmm0
  add    $0x8,%rax
  movsd  %xmm0,(%rdx,%r15,1)
  cmp    $0x28,%rax
  jne    L5
  add    $0x1,%r10
  cmp    %r10,0x20(%rsp)
  jne    L120
  mov    %rbx,%r10
  mov    %r14d,%r8d
L143:
  addq   $0x1,0x28(%rsp)
  mov    0x28(%rsp),%rax
  cmp    0x30(%rsp),%rax
  jne    L140
  mov    %r10,%rbx
  mov    %r9d,%r14d
L147:
  mov    (%rsp),%r8d
  test   %r8d,%r8d
  jle    L72
  movslq %r14d,%rax
  mov    0x10(%rsp),%r8d
  mov    %r14d,%r9d
  movq   $0x0,0x28(%rsp)
  lea    -0x8(,%rax,8),%r10
  movslq (%rsp),%rax
  mov    %r10,%r15
  mov    %rbx,%r10
  mov    %rax,0x30(%rsp)
  xor    %eax,%eax
  test   %r8d,%r8d
  cmovns %r8d,%eax
  mov    %eax,0x3c(%rsp)
  movslq %r8d,%rax
  mov    %rax,0x20(%rsp)
  lea    -0x1(%r14),%eax
  mov    %eax,0x38(%rsp)
  nopl   0x0(%rax)
L15:
  mov    0x28(%rsp),%ebx
  test   %r8d,%r8d
  jle    L3
  mov    0x28(%rsp),%rax
  xor    %r14d,%r14d
  mov    %ebx,0x4(%rsp)
  lea    0x40(%rsp),%r13
  mov    %r10,%rbx
  lea    0x70(%rsp),%r12
  mov    %r14,%r10
  mov    %r8d,%r14d
  lea    0x0(,%rax,8),%rbp
  nopl   0x0(%rax)
L125:
  mov    %r10,0x18(%rsp)
  sub    $0x8,%rsp
  mov    %r10d,%edi
  mov    %r14d,%r8d
  mov    0x8(%rsp),%eax
  mov    %r13,%rcx
  xor    %esi,%esi
  push   %rax
  mov    0x14(%rsp),%edx
  mov    %r10d,0x24(%rsp)
  mov    %r9d,0x18(%rsp)
  call   <exact@plt>
  mov    0x10(%rsp),%eax
  mov    0x48(%rsp),%esi
  mov    %r12,%rcx
  mov    0x18(%rsp),%r9d
  mov    0x14(%rsp),%edx
  mov    %r14d,%r8d
  mov    0x24(%rsp),%edi
  mov    %eax,(%rsp)
  call   <exact@plt>
  mov    0x28(%rsp),%r10
  pop    %rcx
  xor    %eax,%eax
  pop    %rdi
  mov    0x8(%rsp),%r9d
  lea    0x0(,%r10,8),%rsi
L126:
  mov    (%rbx,%rax,1),%rdx
  movsd  0x0(%r13,%rax,1),%xmm0
  mov    (%rdx,%rsi,1),%rdx
  mov    (%rdx),%rcx
  mov    (%rdx,%r15,1),%rdx
  movsd  %xmm0,(%rcx,%rbp,1)
  movsd  (%r12,%rax,1),%xmm0
  add    $0x8,%rax
  movsd  %xmm0,(%rdx,%rbp,1)
  cmp    $0x28,%rax
  jne    L126
  add    $0x1,%r10
  cmp    %r10,0x20(%rsp)
  jne    L125
  mov    %rbx,%r10
  mov    %r14d,%r8d
L3:
  addq   $0x1,0x28(%rsp)
  mov    0x28(%rsp),%rax
  cmp    %rax,0x30(%rsp)
  jne    L15
  mov    0x20(%rsp),%rax
  mov    %r10,%rbx
  mov    0x3c(%rsp),%r11d
  mov    %r9d,%r14d
  movq   $0x0,0x18(%rsp)
  lea    -0x8(,%rax,8),%r10
  mov    0x10(%rsp),%eax
  mov    %r10,%r15
  mov    %rbx,%r10
  sub    $0x1,%eax
  mov    %eax,0x14(%rsp)
  nopw   0x0(%rax,%rax,1)
L90:
  mov    0x18(%rsp),%rax
  lea    0x40(%rsp),%r13
  lea    0x70(%rsp),%r12
  mov    %eax,%ebx
  lea    0x0(,%rax,8),%rbp
  cmp    %r11d,%r14d
  jle    L84
  nopw   0x0(%rax,%rax,1)
L112:
  mov    %r10,0x8(%rsp)
  sub    $0x8,%rsp
  mov    %r14d,%r9d
  mov    %r13,%rcx
  mov    %r11d,0xc(%rsp)
  mov    0x8(%rsp),%eax
  mov    %ebx,%edx
  xor    %esi,%esi
  xor    %edi,%edi
  push   %rax
  mov    0x20(%rsp),%r8d
  call   <exact@plt>
  mov    0x10(%rsp),%eax
  mov    0x20(%rsp),%r8d
  mov    %ebx,%edx
  mov    0x24(%rsp),%edi
  mov    %r14d,%r9d
  mov    %r12,%rcx
  xor    %esi,%esi
  mov    %eax,(%rsp)
  call   <exact@plt>
  pop    %rax
  pop    %rdx
  xor    %eax,%eax
  mov    0x4(%rsp),%r11d
  mov    0x8(%rsp),%r10
L16:
  mov    (%r10,%rax,1),%rdx
  movsd  0x0(%r13,%rax,1),%xmm0
  mov    0x8(%rdx),%rcx
  mov    (%rdx,%r15,1),%rdx
  mov    (%rcx),%rcx
  mov    (%rdx),%rdx
  movsd  %xmm0,(%rcx,%rbp,1)
  movsd  (%r12,%rax,1),%xmm0
  add    $0x8,%rax
  movsd  %xmm0,(%rdx,%rbp,1)
  cmp    $0x28,%rax
  jne    L16
  add    $0x1,%r11d
  cmp    %r11d,%r14d
  jne    L112
L84:
  addq   $0x1,0x18(%rsp)
  mov    0x18(%rsp),%rax
  cmp    %rax,0x30(%rsp)
  jne    L90
L72:
  mov    0x98(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L69
  add    $0xa8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L69:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void setbv(double ****u, int nx, int nxmax, int ny, int nz) {
  int i, j, k, m;
  double temp1[5], temp2[5];
  for (j = 0; j < ny; j++) {
    for (i = 0; i < nx; i++) {
      exact(i, j, 0, temp1, nx, ny, nz);
      exact(i, j, nz - 1, temp2, nx, ny, nz);
      for (m = 0; m < 5; m++) {
        u[m][i][j][0] = temp1[m];
        u[m][i][j][nz - 1] = temp2[m];
      }
    }
  }
  for (k = 0; k < nz; k++) {
    for (i = 0; i < nx; i++) {
      exact(i, 0, k, temp1, nx, ny, nz);
      exact(i, ny - 1, k, temp2, nx, ny, nz);
      for (m = 0; m < 5; m++) {
        u[m][i][0][k] = temp1[m];
        u[m][i][ny - 1][k] = temp2[m];
      }
    }
  }
  for (k = 0; k < nz; k++) {
    for (j = 0; i < ny; i++) {
      exact(0, j, k, temp1, nx, ny, nz);
      exact(nx - 1, j, k, temp2, nx, ny, nz);
      for (m = 0; m < 5; m++) {
        u[m][1][j][k] = temp1[m];
        u[m][nx - 1][j][k] = temp2[m];
      }
    }
  }
}
```