user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<foo>:
  endbr64
  mov    %edi,%ecx
  mov    %rsi,%rax
  test   %edi,%edi
  jle    L405
  lea    0x4(%rdx),%rdi
  sub    %rdi,%rsi
  cmp    $0x8,%rsi
  lea    -0x1(%rcx),%esi
  seta   %r8b
  cmp    $0x2,%esi
  jbe    L239
  test   %r8b,%r8b
  je     L239
  mov    %ecx,%edi
  xor    %esi,%esi
  shr    $0x2,%edi
  shl    $0x4,%rdi
L496:
  movups (%rdx,%rsi,1),%xmm1
  movups %xmm1,(%rax,%rsi,1)
  add    $0x10,%rsi
  cmp    %rdi,%rsi
  jne    L496
  mov    %ecx,%esi
  and    $0xfffffffc,%esi
  test   $0x3,%cl
  je     L479
  mov    %esi,%r8d
  movss  (%rdx,%r8,4),%xmm0
  lea    0x0(,%r8,4),%rdi
  movss  %xmm0,(%rax,%r8,4)
  lea    0x1(%rsi),%r8d
  cmp    %r8d,%ecx
  jle    L479
  movss  0x4(%rdx,%rdi,1),%xmm0
  add    $0x2,%esi
  movss  %xmm0,0x4(%rax,%rdi,1)
  cmp    %esi,%ecx
  jle    L479
  movss  0x8(%rdx,%rdi,1),%xmm0
  movss  %xmm0,0x8(%rax,%rdi,1)
L479:
  mov    %ecx,%edi
  xor    %esi,%esi
  shr    $0x2,%edi
  shl    $0x4,%rdi
  nopl   (%rax)
L295:
  movups (%rdx,%rsi,1),%xmm2
  movups %xmm2,(%rax,%rsi,1)
  add    $0x10,%rsi
  cmp    %rsi,%rdi
  jne    L295
  mov    %ecx,%esi
  and    $0xfffffffc,%esi
  test   $0x3,%cl
  je     L410
  mov    %esi,%r8d
  movss  (%rdx,%r8,4),%xmm0
  lea    0x0(,%r8,4),%rdi
  movss  %xmm0,(%rax,%r8,4)
  lea    0x1(%rsi),%r8d
  cmp    %r8d,%ecx
  jle    L410
  movss  0x4(%rdx,%rdi,1),%xmm0
  add    $0x2,%esi
  movss  %xmm0,0x4(%rax,%rdi,1)
  cmp    %esi,%ecx
  jle    L410
  movss  0x8(%rdx,%rdi,1),%xmm0
  movss  %xmm0,0x8(%rax,%rdi,1)
L410:
  mov    %ecx,%edi
  xor    %esi,%esi
  shr    $0x2,%edi
  shl    $0x4,%rdi
  nopl   (%rax)
L147:
  movups (%rdx,%rsi,1),%xmm3
  movups %xmm3,(%rax,%rsi,1)
  add    $0x10,%rsi
  cmp    %rdi,%rsi
  jne    L147
  mov    %ecx,%esi
  and    $0xfffffffc,%esi
  test   $0x3,%cl
  je     L85
  mov    %esi,%r8d
  movss  (%rdx,%r8,4),%xmm0
  lea    0x0(,%r8,4),%rdi
  movss  %xmm0,(%rax,%r8,4)
  lea    0x1(%rsi),%r8d
  cmp    %r8d,%ecx
  jle    L85
  movss  0x4(%rdx,%rdi,1),%xmm0
  add    $0x2,%esi
  movss  %xmm0,0x4(%rax,%rdi,1)
  cmp    %esi,%ecx
  jle    L85
  movss  0x8(%rdx,%rdi,1),%xmm0
  movss  %xmm0,0x8(%rax,%rdi,1)
L85:
  mov    %ecx,%edi
  xor    %esi,%esi
  shr    $0x2,%edi
  shl    $0x4,%rdi
  nopl   (%rax)
L68:
  movups (%rdx,%rsi,1),%xmm4
  movups %xmm4,(%rax,%rsi,1)
  add    $0x10,%rsi
  cmp    %rdi,%rsi
  jne    L68
  mov    %ecx,%esi
  and    $0xfffffffc,%esi
  test   $0x3,%cl
  je     L140
  mov    %esi,%r8d
  movss  (%rdx,%r8,4),%xmm0
  lea    0x0(,%r8,4),%rdi
  movss  %xmm0,(%rax,%r8,4)
  lea    0x1(%rsi),%r8d
  cmp    %r8d,%ecx
  jle    L140
  movss  0x4(%rdx,%rdi,1),%xmm0
  add    $0x2,%esi
  movss  %xmm0,0x4(%rax,%rdi,1)
  cmp    %esi,%ecx
  jle    L140
  movss  0x8(%rdx,%rdi,1),%xmm0
  movss  %xmm0,0x8(%rax,%rdi,1)
L140:
  mov    %ecx,%edi
  xor    %esi,%esi
  shr    $0x2,%edi
  shl    $0x4,%rdi
  nopl   (%rax)
L133:
  movups (%rdx,%rsi,1),%xmm5
  movups %xmm5,(%rax,%rsi,1)
  add    $0x10,%rsi
  cmp    %rdi,%rsi
  jne    L133
  mov    %ecx,%esi
  and    $0xfffffffc,%esi
  test   $0x3,%cl
  je     L466
  mov    %esi,%r8d
  movss  (%rdx,%r8,4),%xmm0
  lea    0x0(,%r8,4),%rdi
  movss  %xmm0,(%rax,%r8,4)
  lea    0x1(%rsi),%r8d
  cmp    %r8d,%ecx
  jle    L466
  movss  0x4(%rdx,%rdi,1),%xmm0
  add    $0x2,%esi
  movss  %xmm0,0x4(%rax,%rdi,1)
  cmp    %esi,%ecx
  jle    L466
  movss  0x8(%rdx,%rdi,1),%xmm0
  movss  %xmm0,0x8(%rax,%rdi,1)
L466:
  mov    %ecx,%edi
  xor    %esi,%esi
  shr    $0x2,%edi
  shl    $0x4,%rdi
  nopl   (%rax)
L153:
  movups (%rdx,%rsi,1),%xmm6
  movups %xmm6,(%rax,%rsi,1)
  add    $0x10,%rsi
  cmp    %rdi,%rsi
  jne    L153
  mov    %ecx,%esi
  and    $0xfffffffc,%esi
  test   $0x3,%cl
  je     L403
  mov    %esi,%r8d
  movss  (%rdx,%r8,4),%xmm0
  lea    0x0(,%r8,4),%rdi
  movss  %xmm0,(%rax,%r8,4)
  lea    0x1(%rsi),%r8d
  cmp    %r8d,%ecx
  jle    L403
  movss  0x4(%rdx,%rdi,1),%xmm0
  add    $0x2,%esi
  movss  %xmm0,0x4(%rax,%rdi,1)
  cmp    %ecx,%esi
  jge    L403
  movss  0x8(%rdx,%rdi,1),%xmm0
  movss  %xmm0,0x8(%rax,%rdi,1)
L403:
  mov    %ecx,%edi
  xor    %esi,%esi
  shr    $0x2,%edi
  shl    $0x4,%rdi
  nopl   (%rax)
L148:
  movups (%rdx,%rsi,1),%xmm7
  movups %xmm7,(%rax,%rsi,1)
  add    $0x10,%rsi
  cmp    %rdi,%rsi
  jne    L148
  mov    %ecx,%esi
  and    $0xfffffffc,%esi
  test   $0x3,%cl
  je     L116
  mov    %esi,%r8d
  movss  (%rdx,%r8,4),%xmm0
  lea    0x0(,%r8,4),%rdi
  movss  %xmm0,(%rax,%r8,4)
  lea    0x1(%rsi),%r8d
  cmp    %ecx,%r8d
  jge    L116
  movss  0x4(%rdx,%rdi,1),%xmm0
  add    $0x2,%esi
  movss  %xmm0,0x4(%rax,%rdi,1)
  cmp    %esi,%ecx
  jle    L116
  movss  0x8(%rdx,%rdi,1),%xmm0
  movss  %xmm0,0x8(%rax,%rdi,1)
L116:
  mov    %ecx,%edi
  xor    %esi,%esi
  shr    $0x2,%edi
  shl    $0x4,%rdi
  nopl   (%rax)
L303:
  movups (%rdx,%rsi,1),%xmm1
  movups %xmm1,(%rax,%rsi,1)
  add    $0x10,%rsi
  cmp    %rdi,%rsi
  jne    L303
  mov    %ecx,%esi
  and    $0xfffffffc,%esi
  test   $0x3,%cl
  je     L171
  mov    %esi,%r8d
  movss  (%rdx,%r8,4),%xmm0
  lea    0x0(,%r8,4),%rdi
  movss  %xmm0,(%rax,%r8,4)
  lea    0x1(%rsi),%r8d
  cmp    %ecx,%r8d
  jge    L171
  movss  0x4(%rdx,%rdi,1),%xmm0
  add    $0x2,%esi
  movss  %xmm0,0x4(%rax,%rdi,1)
  cmp    %ecx,%esi
  jge    L171
  movss  0x8(%rdx,%rdi,1),%xmm0
  movss  %xmm0,0x8(%rax,%rdi,1)
L171:
  test   %ecx,%ecx
  mov    $0x1,%r8d
  cmovg  %ecx,%r8d
  xor    %esi,%esi
  mov    %r8d,%edi
  shr    $0x2,%edi
  shl    $0x4,%rdi
  nopw   0x0(%rax,%rax,1)
L108:
  movups (%rdx,%rsi,1),%xmm2
  movups %xmm2,(%rax,%rsi,1)
  add    $0x10,%rsi
  cmp    %rdi,%rsi
  jne    L108
  mov    %r8d,%esi
  and    $0xfffffffc,%esi
  and    $0x3,%r8d
  je     L405
  mov    %esi,%r8d
  movss  (%rdx,%r8,4),%xmm0
  lea    0x0(,%r8,4),%rdi
  movss  %xmm0,(%rax,%r8,4)
  lea    0x1(%rsi),%r8d
  cmp    %r8d,%ecx
  jle    L405
  movss  0x4(%rdx,%rdi,1),%xmm0
  add    $0x2,%esi
  movss  %xmm0,0x4(%rax,%rdi,1)
  cmp    %ecx,%esi
  jge    L405
  movss  0x8(%rdx,%rdi,1),%xmm0
  movss  %xmm0,0x8(%rax,%rdi,1)
  ret
  nopl   (%rax)
L405:
  ret
  nopl   0x0(%rax)
L239:
  mov    %ecx,%esi
  xor    %edi,%edi
  nopl   0x0(%rax)
L67:
  movss  (%rdx,%rdi,4),%xmm0
  movss  %xmm0,(%rax,%rdi,4)
  add    $0x1,%rdi
  cmp    %rsi,%rdi
  jne    L67
  xor    %edi,%edi
  nopl   (%rax)
L414:
  movss  (%rdx,%rdi,4),%xmm0
  movss  %xmm0,(%rax,%rdi,4)
  add    $0x1,%rdi
  cmp    %rsi,%rdi
  jne    L414
  xor    %edi,%edi
  nopl   (%rax)
L445:
  movss  (%rdx,%rdi,4),%xmm0
  movss  %xmm0,(%rax,%rdi,4)
  add    $0x1,%rdi
  cmp    %rsi,%rdi
  jne    L445
  xor    %edi,%edi
  nopl   (%rax)
L319:
  movss  (%rdx,%rdi,4),%xmm0
  movss  %xmm0,(%rax,%rdi,4)
  add    $0x1,%rdi
  cmp    %rdi,%rsi
  jne    L319
  xor    %edi,%edi
  nopl   (%rax)
L21:
  movss  (%rdx,%rdi,4),%xmm0
  movss  %xmm0,(%rax,%rdi,4)
  add    $0x1,%rdi
  cmp    %rdi,%rsi
  jne    L21
  xor    %edi,%edi
  nopl   (%rax)
L129:
  movss  (%rdx,%rdi,4),%xmm0
  movss  %xmm0,(%rax,%rdi,4)
  add    $0x1,%rdi
  cmp    %rsi,%rdi
  jne    L129
  xor    %edi,%edi
  nopl   (%rax)
L74:
  movss  (%rdx,%rdi,4),%xmm0
  movss  %xmm0,(%rax,%rdi,4)
  add    $0x1,%rdi
  cmp    %rdi,%rsi
  jne    L74
  xor    %edi,%edi
  nopl   (%rax)
L236:
  movss  (%rdx,%rdi,4),%xmm0
  movss  %xmm0,(%rax,%rdi,4)
  add    $0x1,%rdi
  cmp    %rdi,%rsi
  jne    L236
  cmp    $0x3,%ecx
  jle    L315
  test   %r8b,%r8b
  jne    L171
L315:
  xor    %ecx,%ecx
  nopl   0x0(%rax,%rax,1)
L213:
  movss  (%rdx,%rcx,4),%xmm0
  movss  %xmm0,(%rax,%rcx,4)
  add    $0x1,%rcx
  cmp    %rcx,%rsi
  jne    L213
  ret
```

assistant: ```c
void foo(int n, float *a, float *b) {
  int i;
#pragma omp simd
  for (i = 0; i < n; i++)
    a[i] = b[i];
#pragma omp for simd
  for (i = 0; i < n; i++)
    a[i] = b[i];
#pragma omp distribute simd
  for (i = 0; i < n; i++)
    a[i] = b[i];
#pragma omp distribute parallel for simd
  for (i = 0; i < n; i++)
    a[i] = b[i];
#pragma omp parallel for simd
  for (i = 0; i < n; i++)
    a[i] = b[i];
#pragma omp teams distribute simd
  for (i = 0; i < n; i++)
    a[i] = b[i];
#pragma omp target teams distribute simd
  for (i = 0; i < n; i++)
    a[i] = b[i];
#pragma omp teams distribute parallel for simd
  for (i = 0; i < n; i++)
    a[i] = b[i];
#pragma omp target teams distribute parallel for simd
  for (i = 0; i < n; i++)
    a[i] = b[i];
}
```