user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<dlamov_>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x58,%rsp
  mov    %rdi,0x18(%rsp)
  mov    %rsi,0x20(%rsp)
  mov    %rdx,0x10(%rsp)
  mov    %rcx,%rbx
  mov    %r8,0x28(%rsp)
  mov    %r9,%rbp
  mov    0x90(%rsp),%r15
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  mov    (%rsi),%edi
  mov    %edi,0x38(%rsp)
  mov    (%rdx),%r13d
  mov    (%r8),%esi
  mov    %esi,0xc(%rsp)
  mov    (%r15),%r14d
  movslq %edi,%rdx
  lea    -0x1(%r13),%r12d
  mov    %r12d,%eax
  imul   %r14d,%eax
  cltq
  add    %rdx,%rax
  lea    -0x8(%r9,%rax,8),%rax
  cmp    %rax,%rcx
  ja     L301
  mov    %esi,%eax
  imul   %r12d,%eax
  cltq
  add    %rdx,%rax
  lea    -0x8(%rcx,%rax,8),%rax
  cmp    %rax,%r9
  jbe    L1
L301:
  sub    $0x8,%rsp
  push   %r15
  mov    %rbp,%r9
  mov    0x38(%rsp),%r8
  mov    %rbx,%rcx
  mov    0x20(%rsp),%rdx
  mov    0x30(%rsp),%rsi
  mov    0x28(%rsp),%rdi
  call   <dlacpy_@plt>
  add    $0x10,%rsp
L257:
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L418
  add    $0x58,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L1:
  cmp    %r14d,0xc(%rsp)
  je     L455
  imul   %r13d,%edi
  shl    $0x3,%edi
  call   <malloc@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L408
  sub    $0x8,%rsp
  lea    0x40(%rsp),%r12
  push   %r12
  mov    %rax,%r9
  mov    0x38(%rsp),%r8
  mov    %rbx,%rcx
  mov    0x20(%rsp),%rdx
  mov    0x30(%rsp),%r14
  mov    %r14,%rsi
  mov    0x28(%rsp),%rbx
  mov    %rbx,%rdi
  call   <dlacpy_@plt>
  mov    %r15,(%rsp)
  mov    %rbp,%r9
  mov    %r12,%r8
  mov    %r13,%rcx
  mov    0x20(%rsp),%rdx
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <dlacpy_@plt>
  mov    %r13,%rdi
  call   <free@plt>
  add    $0x10,%rsp
  jmp    L257
L408:
  movl   $0xffffffff,0x3c(%rsp)
  movl   $0x4d414c44,0x41(%rsp)
  movw   $0x564f,0x45(%rsp)
  movb   $0x0,0x47(%rsp)
  lea    0x3c(%rsp),%rsi
  lea    0x41(%rsp),%rdi
  mov    $0x7,%edx
  call   <xerbla_@plt>
  jmp    L257
L455:
  mov    0x18(%rsp),%rax
  movsbl (%rax),%edi
  call   <toupper@plt>
  cmp    $0x4c,%eax
  je     L135
  cmp    $0x55,%eax
  jne    L430
  cmp    %rbx,%rbp
  jb     L350
  test   %r12d,%r12d
  js     L257
  mov    0x38(%rsp),%r8d
  mov    0xc(%rsp),%edi
  imul   %r12d,%edi
  mov    %r12d,%esi
  imul   %r14d,%esi
L107:
  cmp    %r12d,%r8d
  mov    %r12d,%eax
  cmovle %r8d,%eax
  sub    $0x1,%eax
  js     L280
  cltq
  movslq %edi,%rdx
  lea    (%rbx,%rdx,8),%rcx
  movslq %esi,%rdx
  lea    0x0(%rbp,%rdx,8),%rdx
L167:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  sub    $0x1,%rax
  test   %eax,%eax
  jns    L167
L280:
  sub    $0x1,%r12d
  sub    0xc(%rsp),%edi
  sub    %r14d,%esi
  cmp    $0xffffffff,%r12d
  jne    L107
  jmp    L257
L350:
  test   %r13d,%r13d
  jle    L257
  mov    0x38(%rsp),%edi
  mov    %r13d,%r13d
  mov    %r14d,%r9d
  mov    0xc(%rsp),%r8d
  mov    $0x1,%edx
  jmp    L7
L212:
  add    0xc(%rsp),%r8d
  add    %r14d,%r9d
  add    $0x1,%rdx
L7:
  cmp    %r13,%rdx
  je     L257
  test   %edx,%edx
  jle    L212
  movslq %r8d,%rax
  lea    (%rbx,%rax,8),%rsi
  movslq %r9d,%rax
  lea    0x0(%rbp,%rax,8),%rcx
  mov    $0x0,%eax
L70:
  cmp    %eax,%edi
  jle    L212
  movsd  (%rsi,%rax,8),%xmm0
  movsd  %xmm0,(%rcx,%rax,8)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L70
  jmp    L212
L135:
  cmp    %rbx,%rbp
  jae    L400
  test   %r13d,%r13d
  jle    L257
  mov    0x38(%rsp),%edx
  mov    %r13d,%r13d
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%edi
  jmp    L80
L100:
  movslq %r8d,%rax
  lea    (%rbx,%rax,8),%rsi
  movslq %r9d,%rax
  lea    0x0(%rbp,%rax,8),%rcx
  mov    %rdi,%rax
L177:
  movsd  (%rsi,%rax,8),%xmm0
  movsd  %xmm0,(%rcx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%edx
  jg     L177
L319:
  add    $0x1,%rdi
  add    0xc(%rsp),%r8d
  add    %r14d,%r9d
  cmp    %r13,%rdi
  je     L257
L80:
  cmp    %edi,%edx
  jg     L100
  jmp    L319
L400:
  mov    0x38(%rsp),%r9d
  cmp    %r13d,%r9d
  cmovle %r9d,%r13d
  mov    %r13d,%edi
  sub    $0x1,%edi
  js     L257
  mov    0xc(%rsp),%r8d
  imul   %edi,%r8d
  imul   %r14d,%edi
  lea    -0x1(%r9),%r11d
  movslq %r9d,%r10
  sub    $0x2,%r10
  jmp    L249
L127:
  movslq %r11d,%rax
  mov    %r9d,%edx
  sub    %r13d,%edx
  mov    %r10,%rsi
  sub    %rdx,%rsi
  movslq %r8d,%rdx
  lea    (%rbx,%rdx,8),%rcx
  movslq %edi,%rdx
  lea    0x0(%rbp,%rdx,8),%rdx
L456:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  sub    $0x1,%rax
  cmp    %rsi,%rax
  jne    L456
L305:
  sub    0xc(%rsp),%r8d
  sub    %r14d,%edi
  sub    $0x1,%r13d
  je     L257
L249:
  cmp    %r13d,%r9d
  jge    L127
  jmp    L305
L430:
  cmp    %rbx,%rbp
  jb     L9
  test   %r12d,%r12d
  js     L257
  mov    0x38(%rsp),%eax
  lea    -0x1(%rax),%r8d
  mov    0xc(%rsp),%edi
  imul   %r12d,%edi
  mov    %r14d,%esi
  imul   %r12d,%esi
L461:
  test   %r8d,%r8d
  js     L318
  movslq %r8d,%rax
  movslq %edi,%rdx
  lea    (%rbx,%rdx,8),%rcx
  movslq %esi,%rdx
  lea    0x0(%rbp,%rdx,8),%rdx
L434:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  sub    $0x1,%rax
  test   %eax,%eax
  jns    L434
L318:
  sub    $0x1,%r12d
  sub    0xc(%rsp),%edi
  sub    %r14d,%esi
  cmp    $0xffffffff,%r12d
  jne    L461
  jmp    L257
L9:
  test   %r13d,%r13d
  jle    L257
  mov    0x38(%rsp),%r10d
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%edi
  mov    %r10d,%esi
  jmp    L309
L201:
  movslq %r8d,%rax
  lea    (%rbx,%rax,8),%rcx
  movslq %r9d,%rax
  lea    0x0(%rbp,%rax,8),%rdx
  mov    $0x0,%eax
L16:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %rsi,%rax
  jne    L16
L53:
  add    $0x1,%edi
  add    0xc(%rsp),%r8d
  add    %r14d,%r9d
  cmp    %edi,%r13d
  je     L257
L309:
  test   %r10d,%r10d
  jg     L201
  jmp    L53
L418:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void dlamov_(const char *UPLO, const int *M, const int *N, const double *A, const int *LDA, double *B, const int *LDB) {
  const int m = *M;
  const int n = *N;
  const int lda = *LDA;
  const int ldb = *LDB;
  if (B + m - 1 + ldb * (n - 1) < A || A + m - 1 + lda * (n - 1) < B) {
    dlacpy_(UPLO, M, N, A, LDA, B, LDB);
  } else if (lda != ldb) {
    double *tmp = malloc(sizeof(*A) * m * n);
    if (!tmp) {
      int info = -1;
      const char func[] = "DLAMOV";
      xerbla_(func, &info, sizeof func);
    } else {
      dlacpy_(UPLO, M, N, A, LDA, tmp, &m);
      dlacpy_(UPLO, M, N, tmp, &m, B, LDB);
      free(tmp);
    }
  } else {
    int i, j;
    switch (toupper(*UPLO)) {
    case 'U':
      if (A > B) {
        for (j = 0; j < n; j++)
          for (i = 0; i < j && i < m; i++)
            B[i + ldb * j] = A[i + lda * j];
      } else {
        for (j = n; --j >= 0;)
          for (i = j < m ? j : m; --i >= 0;)
            B[i + ldb * j] = A[i + lda * j];
      }
      break;
    case 'L':
      if (A > B) {
        for (j = 0; j < n; j++)
          for (i = j; i < m; i++)
            B[i + ldb * j] = A[i + lda * j];
      } else {
        for (j = m < n ? m : n; --j >= 0;)
          for (i = m; --i >= j;)
            B[i + ldb * j] = A[i + lda * j];
      }
      break;
    default:
      if (A > B) {
        for (j = 0; j < n; j++)
          for (i = 0; i < m; i++)
            B[i + ldb * j] = A[i + lda * j];
      } else {
        for (j = n; --j >= 0;)
          for (i = m; --i >= 0;)
            B[i + ldb * j] = A[i + lda * j];
      }
      break;
    }
  }
}
```