user: 下面的汇编指令对应的C源代码是什么：

```asm
<intToRoman>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  movslq %edi,%rbx
  imul   $0x10624dd3,%rbx,%r9
  mov    %ebx,%eax
  mov    %ebx,%r8d
  mov    %rbx,%rdx
  sar    $0x1f,%eax
  imul   $0x51eb851f,%rbx,%r15
  sub    $0x18,%rsp
  sar    $0x26,%r9
  sub    %eax,%r9d
  sar    $0x25,%r15
  imul   $0x3e8,%r9d,%ecx
  sub    %eax,%r15d
  sub    %ecx,%r8d
  movslq %r8d,%r13
  mov    %r8d,%ecx
  imul   $0x51eb851f,%r13,%r13
  sar    $0x1f,%ecx
  sar    $0x25,%r13
  sub    %ecx,%r13d
  imul   $0x64,%r15d,%ecx
  mov    %ebx,%r15d
  imul   $0x66666667,%rbx,%rbx
  mov    %r13d,%ebp
  sub    %ecx,%r15d
  movslq %r15d,%r12
  sar    $0x22,%rbx
  mov    %r15d,%ecx
  imul   $0x66666667,%r12,%r12
  sub    %eax,%ebx
  sar    $0x1f,%ecx
  lea    (%rbx,%rbx,4),%eax
  mov    %edx,%ebx
  add    %eax,%eax
  sar    $0x22,%r12
  sub    %eax,%ebx
  sub    %ecx,%r12d
  cmp    $0x18f,%r8d
  jle    L9
  lea    0x9(%r13),%ecx
  mov    $0x42000,%eax
  lea    -0x4(%r13),%ebp
  shr    %cl,%rax
  test   $0x1,%al
  mov    $0x2,%eax
  cmovne %eax,%ebp
L9:
  mov    %r12d,%esi
  cmp    $0x27,%r15d
  jle    L273
  lea    0x9(%r12),%ecx
  mov    $0x42000,%eax
  lea    -0x4(%r12),%esi
  shr    %cl,%rax
  test   $0x1,%al
  mov    $0x2,%eax
  cmovne %eax,%esi
L273:
  mov    %ebx,%eax
  cmp    $0x3,%ebx
  jle    L30
  lea    0x9(%rbx),%ecx
  mov    $0x42000,%eax
  shr    %cl,%rax
  mov    %rax,%rcx
  lea    -0x4(%rbx),%eax
  and    $0x1,%ecx
  mov    $0x2,%ecx
  cmovne %ecx,%eax
L30:
  add    %r9d,%ebp
  mov    %edx,0x8(%rsp)
  add    %esi,%ebp
  mov    %r8d,0x4(%rsp)
  add    %eax,%ebp
  mov    %r9d,0xc(%rsp)
  lea    0x1(%rbp),%edi
  movslq %ebp,%rbp
  call   <malloc@plt>
  mov    0x8(%rsp),%edx
  mov    0x4(%rsp),%r8d
  movb   $0x0,(%rax,%rbp,1)
  mov    %rax,%r14
  cmp    $0x3e7,%edx
  jle    L44
  mov    0xc(%rsp),%r9d
  mov    $0x4d,%esi
  mov    %rax,%rdi
  mov    %r8d,0x8(%rsp)
  mov    $0x1,%ebp
  lea    -0x1(%r9),%edx
  mov    %r9d,0x4(%rsp)
  add    $0x1,%rdx
  call   <memset@plt>
  mov    0x4(%rsp),%r9d
  mov    0x8(%rsp),%r8d
  test   %r9d,%r9d
  cmovg  %r9d,%ebp
L102:
  cmp    $0x18f,%r8d
  jg     L123
  cmp    $0x63,%r8d
  jle    L206
  lea    -0x1(%r13),%edx
  movslq %ebp,%rdi
  mov    $0x43,%esi
  mov    %rdx,%r13
  add    %r14,%rdi
  add    $0x1,%rdx
  call   <memset@plt>
  lea    0x1(%rbp,%r13,1),%ebp
L206:
  cmp    $0x27,%r15d
  jg     L40
  cmp    $0x9,%r15d
  jle    L157
  lea    -0x1(%r12),%edx
  movslq %ebp,%rdi
  mov    $0x58,%esi
  mov    %rdx,%r12
  add    %r14,%rdi
  add    $0x1,%rdx
  call   <memset@plt>
  lea    0x1(%rbp,%r12,1),%ebp
L157:
  cmp    $0x3,%ebx
  jg     L33
  test   %ebx,%ebx
  jle    L189
  movslq %ebp,%rbp
  xor    %eax,%eax
  add    %r14,%rbp
L105:
  mov    %eax,%edx
  add    $0x1,%eax
  movb   $0x49,0x0(%rbp,%rdx,1)
  cmp    %ebx,%eax
  jb     L105
L189:
  add    $0x18,%rsp
  mov    %r14,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L33:
  movslq %ebp,%rax
  add    $0x1,%ebp
  add    %r14,%rax
  cmp    $0x4,%ebx
  je     L103
  cmp    $0x9,%ebx
  je     L230
  movb   $0x56,(%rax)
  cmp    $0x5,%ebx
  je     L189
  lea    -0x6(%rbx),%edx
  movslq %ebp,%rbp
  mov    $0x49,%esi
  add    $0x1,%rdx
  lea    (%r14,%rbp,1),%rdi
  call   <memset@plt>
  jmp    L189
  nopl   (%rax)
L40:
  movslq %ebp,%rax
  lea    0x1(%rbp),%edx
  add    %r14,%rax
  cmp    $0x4,%r12d
  je     L128
  cmp    $0x9,%r12d
  je     L218
  movb   $0x4c,(%rax)
  mov    %edx,%ebp
  cmp    $0x3b,%r15d
  jle    L157
  movslq %ebp,%rdi
  lea    -0x6(%r12),%edx
  mov    $0x58,%esi
  add    $0x1,%rdx
  add    %r14,%rdi
  lea    -0x5(%rbp,%r12,1),%ebp
  call   <memset@plt>
  jmp    L157
  nop
L123:
  movslq %ebp,%rax
  lea    0x1(%rbp),%edx
  add    %r14,%rax
  cmp    $0x4,%r13d
  je     L148
  cmp    $0x9,%r13d
  je     L71
  movb   $0x44,(%rax)
  mov    %edx,%ebp
  cmp    $0x257,%r8d
  jle    L206
  movslq %ebp,%rdi
  lea    -0x6(%r13),%edx
  mov    $0x43,%esi
  add    $0x1,%rdx
  add    %r14,%rdi
  lea    -0x5(%rbp,%r13,1),%ebp
  call   <memset@plt>
  jmp    L206
  nopl   (%rax)
L148:
  movslq %edx,%rdx
  movb   $0x43,(%rax)
  add    $0x2,%ebp
  movb   $0x44,(%r14,%rdx,1)
  jmp    L206
  nopl   0x0(%rax,%rax,1)
L128:
  movslq %edx,%rdx
  movb   $0x58,(%rax)
  add    $0x2,%ebp
  movb   $0x4c,(%r14,%rdx,1)
  jmp    L157
  nopl   0x0(%rax,%rax,1)
L103:
  movslq %ebp,%rbp
  movb   $0x49,(%rax)
  movb   $0x56,(%r14,%rbp,1)
  jmp    L189
L218:
  movslq %edx,%rdx
  movb   $0x58,(%rax)
  add    $0x2,%ebp
  movb   $0x43,(%r14,%rdx,1)
  jmp    L157
  nopl   0x0(%rax,%rax,1)
L71:
  movslq %edx,%rdx
  movb   $0x43,(%rax)
  add    $0x2,%ebp
  movb   $0x4d,(%r14,%rdx,1)
  jmp    L206
  nopl   0x0(%rax,%rax,1)
L230:
  movslq %ebp,%rbp
  movb   $0x49,(%rax)
  movb   $0x58,(%r14,%rbp,1)
  jmp    L189
L44:
  xor    %ebp,%ebp
  jmp    L102
```

assistant: ```c
char *intToRoman(int num) {
  int m = num / 1000;
  int c = num % 1000 / 100;
  int x = num % 100 / 10;
  int i = num % 10;
  int cl = c < 4 ? c : (c == 4 || c == 9 ? 2 : c - 4);
  ;
  int xl = x < 4 ? x : (x == 4 || x == 9 ? 2 : x - 4);
  ;
  int il = i < 4 ? i : (i == 4 || i == 9 ? 2 : i - 4);
  ;
  int l = m + cl + xl + il;
  char *r = (char *)malloc((l + 1) * sizeof(char));
  r[l] = '\0';
  int k = 0;
  for (int j = 0; j < m; j++) {
    r[k] = 'M';
    k++;
  }
  if (c < 4) {
    for (int j = 0; j < c; j++)
      r[k++] = 'C';
  } else if (c == 4) {
    r[k++] = 'C';
    r[k++] = 'D';
  } else if (c == 9) {
    r[k++] = 'C';
    r[k++] = 'M';
  } else {
    r[k++] = 'D';
    for (int j = 0; j < c - 5; j++)
      r[k++] = 'C';
  }
  if (x < 4) {
    for (int j = 0; j < x; j++)
      r[k++] = 'X';
  } else if (x == 4) {
    r[k++] = 'X';
    r[k++] = 'L';
  } else if (x == 9) {
    r[k++] = 'X';
    r[k++] = 'C';
  } else {
    r[k++] = 'L';
    for (int j = 0; j < x - 5; j++)
      r[k++] = 'X';
  }
  if (i < 4) {
    for (int j = 0; j < i; j++)
      r[k++] = 'I';
  } else if (i == 4) {
    r[k++] = 'I';
    r[k++] = 'V';
  } else if (i == 9) {
    r[k++] = 'I';
    r[k++] = 'X';
  } else {
    r[k++] = 'V';
    for (int j = 0; j < i - 5; j++)
      r[k++] = 'I';
  }
  return r;
}
```