user: 这段汇编代码用C语言表示是什么样的?

```asm
<src_shiftinStereo>:
  endbr64
  push   %r15
  mov    %edx,%eax
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %r8,%rbx
  sub    $0x8,%rsp
  cmp    %edx,%r9d
  jg     L115
  mov    %edx,%r8d
  sub    %r9d,%r8d
  je     L10
  movslq %r9d,%r11
  lea    0x10(%rdi),%r13
  lea    0x4(%rdi),%r14
  lea    0x4(,%r11,4),%rdx
  lea    0x0(,%r11,4),%r12
  lea    (%rsi,%r12,1),%r10
  lea    0xc(%rsi,%rdx,1),%rsi
  cmp    %rsi,%rdi
  setae  %sil
  cmp    %r13,%r10
  setae  %r13b
  or     %r13d,%esi
  mov    %rbp,%r13
  sub    %r14,%r13
  cmp    $0x8,%r13
  seta   %r13b
  cmp    $0x1,%r8d
  setne  %r14b
  and    %r14d,%r13d
  and    %r13d,%esi
  mov    %rdx,%r13
  neg    %r13
  cmp    $0x8,%r13
  seta   %r13b
  test   %r13b,%sil
  je     L28
  add    %rdi,%rdx
  mov    %rbp,%rsi
  sub    %rdx,%rsi
  cmp    $0x8,%rsi
  jbe    L28
  lea    -0x1(%r8),%edx
  mov    %r8d,%r13d
  cmp    $0x2,%edx
  jbe    L22
  mov    %r8d,%esi
  add    %rdi,%r12
  xor    %edx,%edx
  shr    $0x2,%esi
  shl    $0x4,%rsi
  nopl   0x0(%rax)
L178:
  movups (%r12,%rdx,1),%xmm1
  movups %xmm1,(%rdi,%rdx,1)
  movups (%r10,%rdx,1),%xmm2
  movups %xmm2,0x0(%rbp,%rdx,1)
  add    $0x10,%rdx
  cmp    %rsi,%rdx
  jne    L178
  mov    %r8d,%esi
  and    $0xfffffffc,%esi
  mov    %esi,%edx
  cmp    %esi,%r8d
  je     L10
  sub    %esi,%r8d
  mov    %r8d,%r13d
  cmp    $0x1,%r8d
  je     L60
L133:
  add    %rsi,%r11
  mov    (%rdi,%r11,4),%r8
  mov    %r8,(%rdi,%rsi,4)
  mov    0x0(%rbp,%r11,4),%r8
  mov    %r8,0x0(%rbp,%rsi,4)
  mov    %r13d,%esi
  and    $0xfffffffe,%esi
  add    %esi,%edx
  cmp    %esi,%r13d
  je     L10
L60:
  lea    (%r9,%rdx,1),%esi
  movslq %edx,%rdx
  movslq %esi,%rsi
  movss  (%rdi,%rsi,4),%xmm0
  movss  %xmm0,(%rdi,%rdx,4)
  movss  0x0(%rbp,%rsi,4),%xmm0
  movss  %xmm0,0x0(%rbp,%rdx,4)
L10:
  test   %r9d,%r9d
  jle    L176
  movslq %eax,%r13
  lea    0x10(%rbx),%r15
  lea    0x4(%rcx),%r14
  movslq %r9d,%rsi
  mov    %r13,%r8
  sub    %rsi,%r8
  lea    0x0(,%r8,4),%r12
  lea    0x10(%rdi,%r12,1),%rdx
  lea    (%rdi,%r12,1),%r11
  cmp    %rdx,%rbx
  lea    0x0(%rbp,%r12,1),%r10
  setae  %dl
  cmp    %r15,%r11
  setae  %r15b
  or     %r15d,%edx
  mov    %r11,%r15
  sub    %r14,%r15
  cmp    $0x8,%r15
  seta   %r15b
  and    %r15d,%edx
  cmp    $0x1,%r9d
  setne  %r15b
  and    %r15d,%edx
  mov    %r10,%r15
  sub    %r14,%r15
  cmp    $0x8,%r15
  lea    0x4(%rbx),%r15
  seta   %r14b
  and    %r14d,%edx
  mov    %r10,%r14
  sub    %r15,%r14
  cmp    $0x8,%r14
  seta   %r14b
  test   %r14b,%dl
  je     L67
  lea    0x4(%rdi,%r12,1),%r12
  mov    %r10,%rdx
  sub    %r12,%rdx
  cmp    $0x8,%rdx
  jbe    L67
  lea    -0x1(%r9),%edx
  mov    %r9d,%r12d
  cmp    $0x2,%edx
  jbe    L52
  mov    %r9d,%esi
  xor    %edx,%edx
  shr    $0x2,%esi
  shl    $0x4,%rsi
  nopl   0x0(%rax,%rax,1)
L36:
  movups (%rcx,%rdx,1),%xmm3
  movups %xmm3,(%r11,%rdx,1)
  movups (%rbx,%rdx,1),%xmm4
  movups %xmm4,(%r10,%rdx,1)
  add    $0x10,%rdx
  cmp    %rsi,%rdx
  jne    L36
  mov    %r9d,%edx
  and    $0xfffffffc,%edx
  mov    %edx,%esi
  cmp    %edx,%r9d
  je     L176
  mov    %r9d,%r12d
  sub    %edx,%r12d
  cmp    $0x1,%r12d
  je     L25
L165:
  mov    (%rcx,%rdx,4),%r10
  add    %rdx,%r8
  mov    %r10,(%rdi,%r8,4)
  mov    (%rbx,%rdx,4),%rdx
  mov    %rdx,0x0(%rbp,%r8,4)
  mov    %r12d,%edx
  and    $0xfffffffe,%edx
  add    %edx,%esi
  cmp    %r12d,%edx
  je     L176
L25:
  movslq %esi,%rdx
  add    %esi,%eax
  movss  (%rcx,%rdx,4),%xmm0
  sub    %r9d,%eax
  cltq
  movss  %xmm0,(%rdi,%rax,4)
  movss  (%rbx,%rdx,4),%xmm0
  movss  %xmm0,0x0(%rbp,%rax,4)
L176:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L115:
  sub    %edx,%r9d
  lea    0x0(,%rdx,4),%r13d
  movslq %r9d,%r12
  mov    %r13d,%edx
  shl    $0x2,%r12
  lea    (%rcx,%r12,1),%rsi
  call   <memcpy@plt>
  add    $0x8,%rsp
  lea    (%rbx,%r12,1),%rsi
  mov    %r13d,%edx
  pop    %rbx
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1050 <memcpy@plt>
  nopl   0x0(%rax,%rax,1)
L67:
  sub    %rsi,%r13
  xor    %eax,%eax
  shl    $0x2,%r13
  add    %r13,%rdi
  add    %r13,%rbp
  nop
L162:
  movss  (%rcx,%rax,4),%xmm0
  movss  %xmm0,(%rdi,%rax,4)
  movss  (%rbx,%rax,4),%xmm0
  movss  %xmm0,0x0(%rbp,%rax,4)
  add    $0x1,%rax
  cmp    %rsi,%rax
  jne    L162
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L28:
  movslq %r8d,%rsi
  add    %rdi,%r12
  xor    %edx,%edx
  nopl   0x0(%rax,%rax,1)
L125:
  movss  (%r12,%rdx,4),%xmm0
  movss  %xmm0,(%rdi,%rdx,4)
  movss  (%r10,%rdx,4),%xmm0
  movss  %xmm0,0x0(%rbp,%rdx,4)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L125
  jmp    L10
L22:
  xor    %esi,%esi
  xor    %edx,%edx
  jmp    L133
L52:
  xor    %edx,%edx
  xor    %esi,%esi
  jmp    L165
```

assistant: ```c
void src_shiftinStereo(float *a1, float *a2, int a_length, float *b1, float *b2, int b_length) {
  if (b_length > a_length) {
    memcpy(a1, &b1[b_length - a_length], a_length * sizeof(float));
    memcpy(a2, &b2[b_length - a_length], a_length * sizeof(float));
  } else {
    for (int i = 0; i < (a_length - b_length); i++) {
      a1[i] = a1[i + b_length];
      a2[i] = a2[i + b_length];
    }
    for (int i = 0; i < b_length; i++) {
      a1[i + a_length - b_length] = b1[i];
      a2[i + a_length - b_length] = b2[i];
    }
  }
}
```