user: 这段汇编代码用C语言表示是什么样的?

```asm
<merge>:
  endbr64
  push   %r15
  mov    %rdi,%r10
  mov    %rdx,%r9
  mov    %esi,%edi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  test   %ecx,%ecx
  jle    L105
  test   %esi,%esi
  jle    L105
  mov    $0x1,%r11d
  xor    %eax,%eax
  xor    %edx,%edx
  xor    %r13d,%r13d
  xor    %r12d,%r12d
  xchg   %ax,%ax
L194:
  mov    (%r10,%r13,4),%ebp
  mov    (%r9,%r12,4),%ebx
  cmp    %ebp,%ebx
  jle    L235
L200:
  mov    %ebp,-0x4(%r8,%r11,4)
  mov    %r11d,%esi
  add    $0x1,%edx
  add    $0x1,%r11
  cmp    %eax,%ecx
  jle    L136
  cmp    %edx,%edi
  jle    L228
  movslq %edx,%r13
  mov    (%r9,%r12,4),%ebx
  mov    (%r10,%r13,4),%ebp
  cmp    %ebp,%ebx
  jg     L200
L235:
  mov    %ebx,-0x4(%r8,%r11,4)
  mov    %r11d,%esi
  add    $0x1,%eax
  add    $0x1,%r11
  cmp    %edx,%edi
  jle    L228
  cmp    %eax,%ecx
  jle    L136
  movslq %eax,%r12
  jmp    L194
  cs nopw 0x0(%rax,%rax,1)
L105:
  xor    %esi,%esi
  xor    %eax,%eax
  xor    %edx,%edx
  cs nopw 0x0(%rax,%rax,1)
L136:
  cmp    %edx,%edi
  jle    L228
  movslq %esi,%r13
  movslq %edx,%rbx
  mov    %edi,%r12d
  lea    0x1(%rbx),%r14
  shl    $0x2,%r13
  sub    %edx,%r12d
  mov    %r14,-0x10(%rsp)
  lea    (%r8,%r13,1),%rbp
  shl    $0x2,%r14
  lea    (%r10,%r14,1),%r15
  mov    %rbp,%r11
  sub    %r15,%r11
  cmp    $0x8,%r11
  jbe    L120
  lea    -0x1(%r12),%r15d
  cmp    $0x2,%r15d
  jbe    L120
  mov    %r12d,%ebx
  lea    -0x4(%r10,%r14,1),%r13
  xor    %r11d,%r11d
  shr    $0x2,%ebx
  shl    $0x4,%rbx
  xchg   %ax,%ax
L157:
  movdqu 0x0(%r13,%r11,1),%xmm0
  movups %xmm0,0x0(%rbp,%r11,1)
  add    $0x10,%r11
  cmp    %r11,%rbx
  jne    L157
  mov    %r12d,%r11d
  and    $0xfffffffc,%r11d
  add    %r11d,%edx
  lea    (%rsi,%r11,1),%ebx
  cmp    %r11d,%r12d
  je     L121
  movslq %edx,%r13
  lea    0x1(%rbx),%ebp
  lea    0x1(%rdx),%r11d
  movslq %ebx,%rbx
  mov    (%r10,%r13,4),%r13d
  mov    %r13d,(%r8,%rbx,4)
  cmp    %r11d,%edi
  jle    L121
  movslq %r11d,%r11
  movslq %ebp,%rbx
  add    $0x2,%edx
  lea    0x0(,%r11,4),%r13
  mov    (%r10,%r11,4),%r11d
  lea    0x0(,%rbx,4),%rbp
  mov    %r11d,(%r8,%rbx,4)
  cmp    %edi,%edx
  jge    L121
  mov    0x4(%r10,%r13,1),%edx
  mov    %edx,0x4(%r8,%rbp,1)
L121:
  add    %r12d,%esi
L228:
  cmp    %eax,%ecx
  jle    L124
  movslq %esi,%r11
  movslq %eax,%rdi
  mov    %ecx,%ebx
  shl    $0x2,%r11
  lea    0x1(%rdi),%rdx
  sub    %eax,%ebx
  lea    (%r8,%r11,1),%r10
  lea    0x0(,%rdx,4),%rbp
  lea    (%r9,%rbp,1),%r13
  mov    %r10,%r12
  sub    %r13,%r12
  cmp    $0x8,%r12
  jbe    L75
  lea    -0x1(%rbx),%r12d
  cmp    $0x2,%r12d
  jbe    L75
  mov    %ebx,%edi
  lea    -0x4(%r9,%rbp,1),%r11
  xor    %edx,%edx
  shr    $0x2,%edi
  shl    $0x4,%rdi
  nopl   (%rax)
L98:
  movdqu (%r11,%rdx,1),%xmm1
  movups %xmm1,(%r10,%rdx,1)
  add    $0x10,%rdx
  cmp    %rdi,%rdx
  jne    L98
  mov    %ebx,%edx
  and    $0xfffffffc,%edx
  add    %edx,%eax
  add    %edx,%esi
  cmp    %edx,%ebx
  je     L124
  movslq %eax,%r10
  lea    0x1(%rsi),%edi
  lea    0x1(%rax),%edx
  movslq %esi,%rsi
  mov    (%r9,%r10,4),%r10d
  mov    %r10d,(%r8,%rsi,4)
  cmp    %edx,%ecx
  jle    L124
  movslq %edx,%rdx
  movslq %edi,%rsi
  add    $0x2,%eax
  lea    0x0(,%rdx,4),%r10
  mov    (%r9,%rdx,4),%edx
  lea    0x0(,%rsi,4),%rdi
  mov    %edx,(%r8,%rsi,4)
  cmp    %ecx,%eax
  jge    L124
  mov    0x4(%r9,%r10,1),%eax
  mov    %eax,0x4(%r8,%rdi,1)
L124:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L120:
  mov    %rbx,%rdx
  mov    -0x10(%rsp),%r11
  neg    %rdx
  lea    0x0(%r13,%rdx,4),%rbp
  add    %r8,%rbp
  jmp    L43
  nopl   (%rax)
L273:
  add    $0x1,%r11
L43:
  mov    (%r10,%rbx,4),%edx
  mov    %edx,0x0(%rbp,%rbx,4)
  mov    %r11,%rbx
  cmp    %r11d,%edi
  jg     L273
  add    %r12d,%esi
  jmp    L228
  nopl   0x0(%rax)
L75:
  mov    %rdi,%rax
  neg    %rax
  lea    (%r11,%rax,4),%rax
  add    %rax,%r8
  jmp    L134
  nop
L185:
  add    $0x1,%rdx
L134:
  mov    (%r9,%rdi,4),%eax
  mov    %eax,(%r8,%rdi,4)
  mov    %rdx,%rdi
  cmp    %edx,%ecx
  jg     L185
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void merge(uint32_t *left, int l_len, uint32_t *right, int r_len, uint32_t *out) {
  uint32_t i, j, k;
  for (i = j = k = 0; i < l_len && j < r_len;)
    out[k++] = left[i] < right[j] ? left[i++] : right[j++];
  while (i < l_len)
    out[k++] = left[i++];
  while (j < r_len)
    out[k++] = right[j++];
}
```