user: 下面的汇编指令对应的C源代码是什么：

```asm
<cholsl>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %ecx,%ebx
  sub    $0x18,%rsp
  call   <choldcsl@plt>
  mov    %rax,%r8
  mov    $0x1,%eax
  test   %r8,%r8
  jne    L93
  test   %ebx,%ebx
  jle    L1
  cmp    $0x1,%ebx
  je     L66
  lea    0x8(%rbp),%rax
  movslq %ebx,%r12
  lea    -0x2(%rbx),%r13d
  mov    %rax,0x8(%rsp)
  lea    0x8(,%r12,8),%r14
  mov    %rax,%rcx
  nopl   0x0(%rax)
L116:
  lea    0x1(%r13),%edx
  mov    %rcx,%rdi
  xor    %esi,%esi
  sub    $0x1,%r13d
  shl    $0x3,%rdx
  call   <memset@plt>
  mov    %rax,%rcx
  add    %r14,%rcx
  cmp    $0xffffffff,%r13d
  jne    L116
  movsd  0x0(%rbp),%xmm1
  mov    %rbp,%r11
  xor    %r13d,%r13d
  xor    %r14d,%r14d
  lea    0x0(,%r12,8),%rsi
  mov    $0x1,%r10d
  mulsd  %xmm1,%xmm1
  lea    0x8(%rsi),%r15
  movsd  %xmm1,0x0(%rbp)
  nopl   0x0(%rax,%rax,1)
L73:
  mov    %r10d,%r8d
  lea    (%rsi,%r11,1),%rdx
  mov    %r10d,%eax
  nopw   0x0(%rax,%rax,1)
L108:
  movsd  (%rdx),%xmm0
  add    $0x1,%eax
  add    %rsi,%rdx
  mulsd  %xmm0,%xmm0
  addsd  %xmm0,%xmm1
  movsd  %xmm1,(%r11)
  cmp    %eax,%ebx
  jg     L108
  cmp    %r10d,%ebx
  jg     L102
  add    %ebx,%r13d
L131:
  add    %r15,%r11
  add    $0x1,%r10
  add    $0x1,%r14
  movsd  (%r11),%xmm1
  mulsd  %xmm1,%xmm1
  movsd  %xmm1,(%r11)
  cmp    %r12,%r10
  jne    L73
  cmp    $0x1,%ebx
  je     L1
  shl    $0x3,%r10
  mov    0x8(%rsp),%rsi
  mov    $0x1,%ecx
  add    %r10,%rbp
  nopl   0x0(%rax,%rax,1)
L25:
  mov    %rsi,%rdx
  xor    %eax,%eax
  nopl   (%rax)
L90:
  movsd  (%rdx),%xmm0
  add    %r10,%rdx
  movsd  %xmm0,0x0(%rbp,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ecx
  jg     L90
  add    $0x1,%ecx
  add    $0x8,%rsi
  add    %r10,%rbp
  cmp    %ecx,%ebx
  jne    L25
L1:
  xor    %eax,%eax
L93:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L102:
  add    %ebx,%r13d
  mov    %r10,%rdi
  lea    0x8(%r11),%rcx
  movslq %r13d,%rax
  sub    %r14,%rdi
  add    %r14,%rax
  lea    0x0(%rbp,%rax,8),%r9
  nopl   0x0(%rax,%rax,1)
L12:
  movsd  (%rcx),%xmm1
  mov    %r9,%rax
  mov    %r8d,%edx
  nopw   0x0(%rax,%rax,1)
L120:
  movsd  (%rax),%xmm0
  mulsd  (%rax,%rdi,8),%xmm0
  add    $0x1,%edx
  add    %rsi,%rax
  addsd  %xmm0,%xmm1
  movsd  %xmm1,(%rcx)
  cmp    %edx,%ebx
  jg     L120
  add    $0x1,%r8d
  add    $0x8,%rcx
  add    %rsi,%r9
  add    $0x1,%rdi
  cmp    %r8d,%ebx
  jg     L12
  jmp    L131
L66:
  movsd  0x0(%rbp),%xmm0
  mulsd  %xmm0,%xmm0
  movsd  %xmm0,0x0(%rbp)
  jmp    L1
```

assistant: ```c
int cholsl(double *A, double *a, double *p, int n) {
  int i, j, k;
  if (choldcsl(A, a, p, n))
    return 1;
  for (i = 0; i < n; i++) {
    for (j = i + 1; j < n; j++) {
      a[i * n + j] = 0.0;
    }
  }
  for (i = 0; i < n; i++) {
    a[i * n + i] *= a[i * n + i];
    for (k = i + 1; k < n; k++) {
      a[i * n + i] += a[k * n + i] * a[k * n + i];
    }
    for (j = i + 1; j < n; j++) {
      for (k = j; k < n; k++) {
        a[i * n + j] += a[k * n + i] * a[k * n + j];
      }
    }
  }
  for (i = 0; i < n; i++) {
    for (j = 0; j < i; j++) {
      a[i * n + j] = a[j * n + i];
    }
  }
  return 0;
}
```