user: 这段汇编代码用C语言表示是什么样的:

```asm
<matrixMultiply>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  mov    $0x40,%edx
  push   %rbx
  mov    %rsi,%rbx
  mov    %rbp,%rsi
  sub    $0x68,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x58(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rdi
  call   <memcpy@plt>
  lea    0x3f(%rbp),%rdx
  mov    0x10(%rsp),%ecx
  movss  0x20(%rsp),%xmm4
  sub    %rbx,%rdx
  movss  0x30(%rsp),%xmm15
  movss  0x40(%rsp),%xmm3
  mov    0x14(%rsp),%eax
  mov    0x24(%rsp),%r8d
  movss  0x34(%rsp),%xmm14
  movss  0x44(%rsp),%xmm13
  movss  0x18(%rsp),%xmm2
  movss  0x28(%rsp),%xmm10
  movss  0x38(%rsp),%xmm9
  movss  0x48(%rsp),%xmm8
  movss  0x1c(%rsp),%xmm1
  movss  0x2c(%rsp),%xmm7
  mov    0x3c(%rsp),%esi
  mov    0x4c(%rsp),%edi
  cmp    $0x7e,%rdx
  jbe    L13
  movups (%rbx),%xmm5
  movups 0x30(%rbx),%xmm0
  shufps $0x0,%xmm4,%xmm4
  shufps $0x0,%xmm15,%xmm15
  movups 0x10(%rbx),%xmm11
  movups 0x20(%rbx),%xmm12
  shufps $0x0,%xmm2,%xmm2
  shufps $0x0,%xmm10,%xmm10
  movaps %xmm5,%xmm6
  movaps %xmm0,(%rsp)
  shufps $0x0,%xmm3,%xmm3
  shufps $0x0,%xmm9,%xmm9
  shufps $0x88,%xmm11,%xmm6
  shufps $0xdd,%xmm11,%xmm5
  movaps %xmm12,%xmm11
  shufps $0x0,%xmm1,%xmm1
  shufps $0x88,%xmm0,%xmm11
  movaps %xmm12,%xmm0
  movaps %xmm6,%xmm12
  shufps $0xdd,%xmm11,%xmm6
  shufps $0x88,%xmm11,%xmm12
  mulps  %xmm6,%xmm15
  movaps %xmm5,%xmm11
  shufps $0xdd,(%rsp),%xmm0
  shufps $0x88,%xmm0,%xmm11
  shufps $0xdd,%xmm0,%xmm5
  movd   %ecx,%xmm0
  shufps $0x0,%xmm7,%xmm7
  mulps  %xmm11,%xmm4
  shufps $0x0,%xmm0,%xmm0
  shufps $0x0,%xmm14,%xmm14
  shufps $0x0,%xmm13,%xmm13
  mulps  %xmm12,%xmm0
  shufps $0x0,%xmm8,%xmm8
  mulps  %xmm12,%xmm2
  mulps  %xmm11,%xmm10
  mulps  %xmm5,%xmm3
  mulps  %xmm6,%xmm9
  addps  %xmm0,%xmm4
  mulps  %xmm12,%xmm1
  movd   %r8d,%xmm0
  mulps  %xmm11,%xmm7
  shufps $0x0,%xmm0,%xmm0
  addps  %xmm10,%xmm2
  mulps  %xmm11,%xmm0
  addps  %xmm15,%xmm4
  mulps  %xmm6,%xmm14
  mulps  %xmm5,%xmm13
  addps  %xmm2,%xmm9
  mulps  %xmm5,%xmm8
  movd   %esi,%xmm2
  addps  %xmm4,%xmm3
  movd   %eax,%xmm4
  shufps $0x0,%xmm2,%xmm2
  addps  %xmm7,%xmm1
  shufps $0x0,%xmm4,%xmm4
  mulps  %xmm12,%xmm4
  mulps  %xmm6,%xmm2
  addps  %xmm9,%xmm8
  addps  %xmm4,%xmm0
  addps  %xmm2,%xmm1
  movd   %edi,%xmm2
  shufps $0x0,%xmm2,%xmm2
  mulps  %xmm5,%xmm2
  addps  %xmm14,%xmm0
  addps  %xmm13,%xmm0
  addps  %xmm2,%xmm1
  movaps %xmm3,%xmm2
  unpckhps %xmm8,%xmm3
  unpcklps %xmm8,%xmm2
  movaps %xmm0,%xmm4
  unpcklps %xmm1,%xmm4
  unpckhps %xmm1,%xmm0
  movaps %xmm2,%xmm1
  unpcklps %xmm4,%xmm1
  unpckhps %xmm4,%xmm2
  movups %xmm1,0x0(%rbp)
  movaps %xmm3,%xmm1
  unpckhps %xmm0,%xmm3
  unpcklps %xmm0,%xmm1
  movups %xmm2,0x10(%rbp)
  movups %xmm1,0x20(%rbp)
  movups %xmm3,0x30(%rbp)
L19:
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L18
  add    $0x68,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L13:
  movss  0x4(%rbx),%xmm6
  movd   %ecx,%xmm5
  movd   %r8d,%xmm0
  mulss  (%rbx),%xmm5
  mulss  %xmm4,%xmm6
  addss  %xmm5,%xmm6
  movss  0x8(%rbx),%xmm5
  mulss  %xmm15,%xmm5
  addss  %xmm6,%xmm5
  movss  0xc(%rbx),%xmm6
  mulss  %xmm3,%xmm6
  addss  %xmm6,%xmm5
  movd   %r8d,%xmm6
  movss  %xmm5,0x0(%rbp)
  mulss  0x4(%rbx),%xmm6
  movd   %eax,%xmm5
  mulss  (%rbx),%xmm5
  addss  %xmm5,%xmm6
  movss  0x8(%rbx),%xmm5
  mulss  %xmm14,%xmm5
  addss  %xmm6,%xmm5
  movss  0xc(%rbx),%xmm6
  mulss  %xmm13,%xmm6
  addss  %xmm6,%xmm5
  movss  %xmm5,0x4(%rbp)
  movss  (%rbx),%xmm5
  movss  0x4(%rbx),%xmm6
  mulss  %xmm2,%xmm5
  mulss  %xmm10,%xmm6
  addss  %xmm5,%xmm6
  movss  0x8(%rbx),%xmm5
  mulss  %xmm9,%xmm5
  addss  %xmm6,%xmm5
  movss  0xc(%rbx),%xmm6
  mulss  %xmm8,%xmm6
  addss  %xmm6,%xmm5
  movss  %xmm5,0x8(%rbp)
  movss  (%rbx),%xmm5
  movss  0x4(%rbx),%xmm6
  mulss  %xmm1,%xmm5
  mulss  %xmm7,%xmm6
  addss  %xmm5,%xmm6
  movd   %esi,%xmm5
  mulss  0x8(%rbx),%xmm5
  addss  %xmm6,%xmm5
  movd   %edi,%xmm6
  mulss  0xc(%rbx),%xmm6
  addss  %xmm6,%xmm5
  movss  %xmm5,0xc(%rbp)
  movss  0x14(%rbx),%xmm6
  movd   %ecx,%xmm5
  mulss  0x10(%rbx),%xmm5
  mulss  %xmm4,%xmm6
  addss  %xmm5,%xmm6
  movss  0x18(%rbx),%xmm5
  mulss  %xmm15,%xmm5
  addss  %xmm6,%xmm5
  movss  0x1c(%rbx),%xmm6
  mulss  %xmm3,%xmm6
  addss  %xmm6,%xmm5
  movd   %r8d,%xmm6
  movss  %xmm5,0x10(%rbp)
  mulss  0x14(%rbx),%xmm6
  movd   %eax,%xmm5
  mulss  0x10(%rbx),%xmm5
  addss  %xmm5,%xmm6
  movss  0x18(%rbx),%xmm5
  mulss  %xmm14,%xmm5
  addss  %xmm6,%xmm5
  movss  0x1c(%rbx),%xmm6
  mulss  %xmm13,%xmm6
  addss  %xmm6,%xmm5
  movss  %xmm5,0x14(%rbp)
  movss  0x10(%rbx),%xmm5
  movss  0x14(%rbx),%xmm6
  mulss  %xmm2,%xmm5
  mulss  %xmm10,%xmm6
  addss  %xmm5,%xmm6
  movss  0x18(%rbx),%xmm5
  mulss  %xmm9,%xmm5
  addss  %xmm6,%xmm5
  movss  0x1c(%rbx),%xmm6
  mulss  %xmm8,%xmm6
  addss  %xmm6,%xmm5
  movss  %xmm5,0x18(%rbp)
  movss  0x10(%rbx),%xmm5
  movss  0x14(%rbx),%xmm6
  mulss  %xmm1,%xmm5
  mulss  %xmm7,%xmm6
  addss  %xmm5,%xmm6
  movd   %esi,%xmm5
  mulss  0x18(%rbx),%xmm5
  addss  %xmm6,%xmm5
  movd   %edi,%xmm6
  mulss  0x1c(%rbx),%xmm6
  addss  %xmm6,%xmm5
  movss  %xmm5,0x1c(%rbp)
  movss  0x24(%rbx),%xmm6
  movd   %ecx,%xmm5
  mulss  0x20(%rbx),%xmm5
  mulss  %xmm4,%xmm6
  addss  %xmm5,%xmm6
  movss  0x28(%rbx),%xmm5
  mulss  %xmm15,%xmm5
  addss  %xmm6,%xmm5
  movss  0x2c(%rbx),%xmm6
  mulss  %xmm3,%xmm6
  addss  %xmm6,%xmm5
  movd   %r8d,%xmm6
  movss  %xmm5,0x20(%rbp)
  mulss  0x24(%rbx),%xmm6
  movd   %eax,%xmm5
  mulss  0x20(%rbx),%xmm5
  addss  %xmm5,%xmm6
  movss  0x28(%rbx),%xmm5
  mulss  %xmm14,%xmm5
  addss  %xmm6,%xmm5
  movss  0x2c(%rbx),%xmm6
  mulss  %xmm13,%xmm6
  addss  %xmm6,%xmm5
  movss  %xmm5,0x24(%rbp)
  movss  0x20(%rbx),%xmm5
  movss  0x24(%rbx),%xmm6
  mulss  %xmm2,%xmm5
  mulss  %xmm10,%xmm6
  addss  %xmm5,%xmm6
  movss  0x28(%rbx),%xmm5
  mulss  %xmm9,%xmm5
  addss  %xmm6,%xmm5
  movss  0x2c(%rbx),%xmm6
  mulss  %xmm8,%xmm6
  addss  %xmm6,%xmm5
  movss  %xmm5,0x28(%rbp)
  movss  0x20(%rbx),%xmm5
  movss  0x24(%rbx),%xmm6
  mulss  %xmm1,%xmm5
  mulss  %xmm7,%xmm6
  addss  %xmm5,%xmm6
  movd   %esi,%xmm5
  mulss  0x28(%rbx),%xmm5
  addss  %xmm6,%xmm5
  movd   %edi,%xmm6
  mulss  0x2c(%rbx),%xmm6
  addss  %xmm6,%xmm5
  movss  %xmm5,0x2c(%rbp)
  mulss  0x34(%rbx),%xmm4
  movd   %ecx,%xmm5
  mulss  0x30(%rbx),%xmm5
  mulss  0x38(%rbx),%xmm15
  mulss  0x3c(%rbx),%xmm3
  addss  %xmm5,%xmm4
  addss  %xmm15,%xmm4
  addss  %xmm3,%xmm4
  movd   %eax,%xmm3
  movss  %xmm4,0x30(%rbp)
  mulss  0x34(%rbx),%xmm0
  mulss  0x30(%rbx),%xmm3
  mulss  0x38(%rbx),%xmm14
  mulss  0x3c(%rbx),%xmm13
  addss  %xmm3,%xmm0
  addss  %xmm0,%xmm14
  movd   %esi,%xmm0
  addss  %xmm13,%xmm14
  movss  %xmm14,0x34(%rbp)
  mulss  0x30(%rbx),%xmm2
  mulss  0x34(%rbx),%xmm10
  mulss  0x38(%rbx),%xmm9
  mulss  0x3c(%rbx),%xmm8
  addss  %xmm10,%xmm2
  addss  %xmm2,%xmm9
  addss  %xmm8,%xmm9
  movss  %xmm9,0x38(%rbp)
  mulss  0x30(%rbx),%xmm1
  mulss  0x34(%rbx),%xmm7
  mulss  0x38(%rbx),%xmm0
  addss  %xmm7,%xmm1
  addss  %xmm0,%xmm1
  movd   %edi,%xmm0
  mulss  0x3c(%rbx),%xmm0
  addss  %xmm0,%xmm1
  movss  %xmm1,0x3c(%rbp)
  jmp    L19
L18:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void matrixMultiply(float *dest, float src[]) {
  float temp[16];
  int i;
  memcpy(temp, dest, sizeof(float) * 16);
  for (i = 0; i < 16; i += 4) {
    *dest++ = src[i + 0] * temp[(0 << 2) + 0] + src[i + 1] * temp[(1 << 2) + 0] + src[i + 2] * temp[(2 << 2) + 0] + src[i + 3] * temp[(3 << 2) + 0];
    *dest++ = src[i + 0] * temp[(0 << 2) + 1] + src[i + 1] * temp[(1 << 2) + 1] + src[i + 2] * temp[(2 << 2) + 1] + src[i + 3] * temp[(3 << 2) + 1];
    *dest++ = src[i + 0] * temp[(0 << 2) + 2] + src[i + 1] * temp[(1 << 2) + 2] + src[i + 2] * temp[(2 << 2) + 2] + src[i + 3] * temp[(3 << 2) + 2];
    *dest++ = src[i + 0] * temp[(0 << 2) + 3] + src[i + 1] * temp[(1 << 2) + 3] + src[i + 2] * temp[(2 << 2) + 3] + src[i + 3] * temp[(3 << 2) + 3];
  }
}
```