user: Demonstrate the C code that generates the assembly output below:

```asm
<shuffleinput>:
  endbr64
  push   %r15
  mov    %edi,%r15d
  push   %r14
  lea    0x0(,%r15,4),%edi
  push   %r13
  mov    %r9,%r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %r8d,%ebx
  sub    $0x58,%rsp
  mov    %rcx,0x8(%rsp)
  mov    0x90(%rsp),%r14
  call   <malloc@plt>
  mov    %r15d,%edi
  mov    %rax,%rsi
  mov    %rax,0x38(%rsp)
  call   <shuffle@plt>
  test   %r15d,%r15d
  jle    L153
  mov    0x38(%rsp),%rax
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  mov    %rax,%rdx
  lea    (%rax,%r15,4),%rax
  mov    %rax,0x10(%rsp)
  mov    %ebp,%eax
  shr    $0x2,%eax
  lea    -0x1(%rax),%edi
  mov    %ebp,%eax
  and    $0xfffffffc,%eax
  add    $0x1,%rdi
  lea    0x1(%rax),%esi
  mov    %eax,0x24(%rsp)
  add    $0x2,%eax
  shl    $0x4,%rdi
  mov    %eax,0x34(%rsp)
  mov    %ebx,%eax
  shr    $0x2,%eax
  mov    %esi,0x2c(%rsp)
  lea    -0x1(%rax),%esi
  mov    %ebx,%eax
  and    $0xfffffffc,%eax
  add    $0x1,%rsi
  lea    0x1(%rax),%ecx
  mov    %eax,0x20(%rsp)
  add    $0x2,%eax
  shl    $0x4,%rsi
  mov    %eax,0x30(%rsp)
  lea    -0x1(%rbp),%eax
  mov    %eax,0x18(%rsp)
  mov    %rax,0x40(%rsp)
  lea    -0x1(%rbx),%eax
  mov    %ecx,0x28(%rsp)
  mov    %eax,0x1c(%rsp)
  mov    %rax,0x48(%rsp)
L130:
  test   %ebp,%ebp
  jle    L59
  mov    (%rdx),%ecx
  mov    0x8(%rsp),%r15
  movslq %r9d,%r10
  lea    0x4(,%r10,4),%r10
  imul   %ebp,%ecx
  movslq %ecx,%rax
  lea    (%r15,%rax,4),%rax
  lea    (%r12,%r10,1),%r15
  mov    %rax,%r11
  sub    %r15,%r11
  cmp    $0x8,%r11
  lea    -0x4(%r12,%r10,1),%r11
  jbe    L178
  cmpl   $0x2,0x18(%rsp)
  jbe    L178
  xor    %r10d,%r10d
  nopl   0x0(%rax,%rax,1)
L49:
  movups (%r11,%r10,1),%xmm1
  movups %xmm1,(%rax,%r10,1)
  add    $0x10,%r10
  cmp    %rdi,%r10
  jne    L49
  mov    0x24(%rsp),%r15d
  cmp    %ebp,%r15d
  je     L59
  lea    (%r9,%r15,1),%eax
  mov    0x8(%rsp),%r11
  cltq
  movss  (%r12,%rax,4),%xmm0
  lea    (%rcx,%r15,1),%eax
  mov    0x2c(%rsp),%r15d
  cltq
  movss  %xmm0,(%r11,%rax,4)
  cmp    %r15d,%ebp
  jle    L59
  lea    (%r9,%r15,1),%eax
  cltq
  movss  (%r12,%rax,4),%xmm0
  lea    (%rcx,%r15,1),%eax
  mov    0x34(%rsp),%r15d
  cltq
  movss  %xmm0,(%r11,%rax,4)
  cmp    %r15d,%ebp
  jle    L59
  lea    (%r9,%r15,1),%eax
  add    %r15d,%ecx
  cltq
  movslq %ecx,%rcx
  movss  (%r12,%rax,4),%xmm0
  movss  %xmm0,(%r11,%rcx,4)
L59:
  test   %ebx,%ebx
  jle    L189
  mov    (%rdx),%ecx
  movslq %r8d,%r10
  lea    0x4(,%r10,4),%r10
  imul   %ebx,%ecx
  lea    0x0(%r13,%r10,1),%r15
  movslq %ecx,%rax
  lea    (%r14,%rax,4),%rax
  mov    %rax,%r11
  sub    %r15,%r11
  cmp    $0x8,%r11
  lea    -0x4(%r13,%r10,1),%r11
  jbe    L172
  cmpl   $0x2,0x1c(%rsp)
  jbe    L172
  xor    %r10d,%r10d
  nopl   (%rax)
L160:
  movups (%r11,%r10,1),%xmm2
  movups %xmm2,(%rax,%r10,1)
  add    $0x10,%r10
  cmp    %rsi,%r10
  jne    L160
  mov    0x20(%rsp),%r15d
  cmp    %ebx,%r15d
  je     L189
  lea    (%r8,%r15,1),%eax
  mov    0x28(%rsp),%r11d
  cltq
  movss  0x0(%r13,%rax,4),%xmm0
  lea    (%rcx,%r15,1),%eax
  cltq
  movss  %xmm0,(%r14,%rax,4)
  cmp    %ebx,%r11d
  jge    L189
  lea    (%r8,%r11,1),%eax
  mov    0x30(%rsp),%r15d
  cltq
  movss  0x0(%r13,%rax,4),%xmm0
  lea    (%r11,%rcx,1),%eax
  cltq
  movss  %xmm0,(%r14,%rax,4)
  cmp    %r15d,%ebx
  jle    L189
  lea    (%r8,%r15,1),%eax
  add    %r15d,%ecx
  cltq
  movslq %ecx,%rcx
  movss  0x0(%r13,%rax,4),%xmm0
  movss  %xmm0,(%r14,%rcx,4)
L189:
  add    %ebx,%r8d
  add    $0x4,%rdx
  add    %ebp,%r9d
  cmp    0x10(%rsp),%rdx
  jne    L130
L153:
  mov    0x38(%rsp),%rdi
  add    $0x58,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1070 <free@plt>
  nopl   0x0(%rax)
L178:
  mov    0x40(%rsp),%r15
  xor    %ecx,%ecx
  nop
L37:
  movss  (%r11,%rcx,4),%xmm0
  mov    %rcx,%r10
  movss  %xmm0,(%rax,%rcx,4)
  add    $0x1,%rcx
  cmp    %r15,%r10
  jne    L37
  jmp    L59
  nopl   0x0(%rax)
L172:
  mov    0x48(%rsp),%r15
  xor    %ecx,%ecx
  nopw   0x0(%rax,%rax,1)
L17:
  movss  (%r11,%rcx,4),%xmm0
  mov    %rcx,%r10
  movss  %xmm0,(%rax,%rcx,4)
  add    $0x1,%rcx
  cmp    %r10,%r15
  jne    L17
  jmp    L189
```

assistant: ```c
void shuffleinput(int N, int leninp, float *input, float *shuffled, int lenoup, float *output, float *target) {
  int i, j;
  int *index;
  index = (int *)malloc(sizeof(int) * N);
  shuffle(N, index);
  for (i = 0; i < N; ++i) {
    for (j = 0; j < leninp; ++j) {
      shuffled[index[i] * leninp + j] = input[i * leninp + j];
    }
    for (j = 0; j < lenoup; ++j) {
      target[index[i] * lenoup + j] = output[i * lenoup + j];
    }
  }
  free(index);
}
```