user: 请从给定的汇编指令推导出C源代码：

```asm
<convolutionOfMatrix>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  sub    $0x318,%rsp
  mov    %rdi,0x20(%rsp)
  mov    %rsi,0x8(%rsp)
  mov    %edx,0x14(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x1308(%rsp)
  xor    %eax,%eax
  cmp    $0x2,%edx
  je     L101
  mov    %edx,%r12d
  shr    $0x1f,%r12d
  add    %edx,%r12d
  sar    %r12d
  cmp    $0x1,%edx
  jle    L37
  lea    0x40(%rsp),%rcx
  lea    -0x1(%r12),%eax
  mov    %rdi,%r15
  xor    %ebx,%ebx
  mov    %rcx,(%rsp)
  mov    %rcx,%rbp
  lea    0x8(,%rax,8),%r13
  mov    %eax,0x34(%rsp)
  nopl   0x0(%rax,%rax,1)
L18:
  mov    %r15,%rsi
  mov    %rcx,%rdi
  mov    %r13,%rdx
  add    $0x1,%ebx
  call   <memcpy@plt>
  add    $0xa0,%r15
  mov    %rax,%rcx
  add    $0xa0,%rcx
  cmp    %r12d,%ebx
  jl     L18
  lea    0x680(%rsp),%rax
  mov    (%rsp),%rdi
  mov    %r12d,%edx
  xor    %r15d,%r15d
  mov    %rax,%rsi
  mov    %rax,%r14
  mov    %rax,0x28(%rsp)
  call   <convolution2d@plt>
  mov    0x8(%rsp),%rdi
  mov    %r14,%rbx
  nopl   0x0(%rax)
L77:
  mov    %r14,%rsi
  mov    %r13,%rdx
  add    $0x1,%r15d
  add    $0xa0,%r14
  call   <memcpy@plt>
  mov    %rax,%rdi
  add    $0xa0,%rdi
  cmp    %r12d,%r15d
  jl     L77
  mov    0x14(%rsp),%eax
  cmp    %r12d,%eax
  jle    L145
  mov    0x20(%rsp),%rsi
  movslq %r12d,%rdx
  xor    %r15d,%r15d
  mov    %rdx,0x18(%rsp)
  lea    (%rsi,%rdx,8),%r14
  lea    -0x1(%rax),%esi
  mov    %esi,%eax
  mov    %esi,0x30(%rsp)
  sub    %r12d,%eax
  lea    0x8(,%rax,8),%r13
  nopw   0x0(%rax,%rax,1)
L135:
  mov    %r14,%rsi
  mov    %rbp,%rdi
  mov    %r13,%rdx
  add    $0x1,%r15d
  call   <memcpy@plt>
  add    $0xa0,%rbp
  add    $0xa0,%r14
  cmp    %r12d,%r15d
  jl     L135
  mov    0x28(%rsp),%rsi
  mov    (%rsp),%rdi
  mov    %r12d,%edx
  xor    %r13d,%r13d
  call   <convolution2d@plt>
  mov    0x8(%rsp),%rax
  mov    0x18(%rsp),%rdx
  lea    (%rax,%rdx,8),%rcx
  mov    0x30(%rsp),%eax
  sub    %r12d,%eax
  lea    0x8(,%rax,8),%rbp
  cs nopw 0x0(%rax,%rax,1)
L102:
  mov    %rbx,%rsi
  mov    %rcx,%rdi
  mov    %rbp,%rdx
  add    $0x1,%r13d
  call   <memcpy@plt>
  add    $0xa0,%rbx
  mov    %rax,%rcx
  add    $0xa0,%rcx
  cmp    %r12d,%r13d
  jl     L102
  mov    0x18(%rsp),%rax
  mov    (%rsp),%rcx
  lea    (%rax,%rax,4),%r13
  mov    0x30(%rsp),%eax
  shl    $0x5,%r13
  add    0x20(%rsp),%r13
  sub    %r12d,%eax
  lea    (%rax,%rax,4),%rbx
  lea    0xe0(%rsp),%rax
  shl    $0x5,%rbx
  mov    %rax,%r14
  add    %rax,%rbx
  mov    0x34(%rsp),%eax
  cmpl   $0x1,0x14(%rsp)
  lea    0x8(,%rax,8),%rbp
  mov    $0x8,%eax
  cmovle %rax,%rbp
  nopl   (%rax)
L44:
  mov    %r13,%rsi
  mov    %rcx,%rdi
  mov    %rbp,%rdx
  call   <memcpy@plt>
  add    $0xa0,%r13
  mov    %rax,%rcx
  add    $0xa0,%rcx
  cmp    %rbx,%rcx
  jne    L44
  mov    0x28(%rsp),%r13
  mov    (%rsp),%rdi
  mov    %r12d,%edx
  mov    %r13,%rsi
  call   <convolution2d@plt>
  mov    0x18(%rsp),%rax
  lea    (%rax,%rax,4),%rcx
  mov    0x30(%rsp),%eax
  shl    $0x5,%rcx
  add    0x8(%rsp),%rcx
  sub    %r12d,%eax
  lea    (%rax,%rax,4),%rbx
  lea    0x720(%rsp),%rax
  shl    $0x5,%rbx
  mov    %rax,0x38(%rsp)
  add    %rax,%rbx
  mov    0x34(%rsp),%eax
  cmpl   $0x1,0x14(%rsp)
  lea    0x8(,%rax,8),%rbp
  mov    $0x8,%eax
  cmovle %rax,%rbp
  nopl   0x0(%rax,%rax,1)
L88:
  mov    %r13,%rsi
  mov    %rcx,%rdi
  mov    %rbp,%rdx
  call   <memcpy@plt>
  add    $0xa0,%r13
  mov    %rax,%rcx
  add    $0xa0,%rcx
  cmp    %rbx,%r13
  jne    L88
L108:
  mov    0x18(%rsp),%rsi
  mov    0x20(%rsp),%r15
  mov    (%rsp),%rcx
  lea    (%rsi,%rsi,4),%rax
  lea    (%rsi,%rax,4),%rbx
  mov    0x30(%rsp),%eax
  shl    $0x3,%rbx
  sub    %r12d,%eax
  add    %rbx,%r15
  lea    (%rax,%rax,4),%r13
  lea    0x8(,%rax,8),%rbp
  shl    $0x5,%r13
  add    %r13,%r14
  nopl   0x0(%rax,%rax,1)
L80:
  mov    %r15,%rsi
  mov    %rcx,%rdi
  mov    %rbp,%rdx
  add    $0xa0,%r15
  call   <memcpy@plt>
  mov    %rax,%rcx
  add    $0xa0,%rcx
  cmp    %r14,%rcx
  jne    L80
  mov    %r12d,%edx
  mov    0x28(%rsp),%r12
  mov    (%rsp),%rdi
  mov    %r12,%rsi
  call   <convolution2d@plt>
  add    0x8(%rsp),%rbx
  add    0x38(%rsp),%r13
  nopw   0x0(%rax,%rax,1)
L42:
  mov    %r12,%rsi
  mov    %rbx,%rdi
  mov    %rbp,%rdx
  add    $0xa0,%r12
  call   <memcpy@plt>
  add    $0xa0,%rbx
  cmp    %r13,%r12
  jne    L42
L101:
  mov    0x1308(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L97
  add    $0x1318,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L37:
  lea    0x680(%rsp),%rbx
  lea    0x40(%rsp),%r14
  mov    %r12d,%edx
  mov    %rbx,%rsi
  mov    %r14,%rdi
  mov    %rbx,0x28(%rsp)
  mov    %r14,(%rsp)
  call   <convolution2d@plt>
  mov    %r12d,%edx
  mov    %rbx,%rsi
  mov    %r14,%rdi
  call   <convolution2d@plt>
  mov    0x14(%rsp),%r15d
  cmp    %r12d,%r15d
  jle    L7
  mov    %r14,%rdi
  mov    %r12d,%edx
  mov    %rbx,%rsi
  call   <convolution2d@plt>
  movslq %r12d,%rax
  mov    %rax,0x18(%rsp)
  lea    -0x1(%r15),%eax
  mov    %eax,0x30(%rsp)
  lea    0xe0(%rsp),%rax
  mov    %rax,%r14
  lea    0x720(%rsp),%rax
  mov    %rax,0x38(%rsp)
  jmp    L108
L145:
  mov    0x28(%rsp),%rsi
  mov    (%rsp),%rdi
  mov    %r12d,%edx
  call   <convolution2d@plt>
L7:
  mov    0x28(%rsp),%r14
  mov    (%rsp),%rbx
  mov    %r12d,%edx
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <convolution2d@plt>
  mov    %r12d,%edx
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <convolution2d@plt>
  jmp    L101
L97:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void convolutionOfMatrix(double arr[][20], double conv[][20], int size) {
  int i = 0;
  int j = 0;
  int m = 0;
  int n = 0;
  double arr1[10][20];
  double convolution[20][20];
  if (size == 2) {
    for (i = 0; i < size; i++) {
      for (j = 0; j < size; j++)
        conv[i][j] == arr[i][j];
    }
  } else {
    m = 0;
    for (i = 0; i < size / 2; i++) {
      n = 0;
      for (j = 0; j < size / 2; j++) {
        arr1[m][n] = arr[i][j];
        n++;
      }
      m++;
    }
    convolution2d(arr1, convolution, size / 2);
    m = 0;
    for (i = 0; i < size / 2; i++) {
      n = 0;
      for (j = 0; j < size / 2; j++) {
        conv[i][j] = convolution[m][n];
        n++;
      }
      m++;
    }
    m = 0;
    for (i = 0; i < size / 2; i++) {
      n = 0;
      for (j = size / 2; j < size; j++) {
        arr1[m][n] = arr[i][j];
        n++;
      }
      m++;
    }
    convolution2d(arr1, convolution, size / 2);
    m = 0;
    for (i = 0; i < size / 2; i++) {
      n = 0;
      for (j = size / 2; j < size; j++) {
        conv[i][j] = convolution[m][n];
        n++;
      }
      m++;
    }
    m = 0;
    for (i = size / 2; i < size; i++) {
      n = 0;
      for (j = 0; j < size / 2; j++) {
        arr1[m][n] = arr[i][j];
        n++;
      }
      m++;
    }
    convolution2d(arr1, convolution, size / 2);
    m = 0;
    for (i = size / 2; i < size; i++) {
      n = 0;
      for (j = 0; j < size / 2; j++) {
        conv[i][j] = convolution[m][n];
        n++;
      }
      m++;
    }
    m = 0;
    for (i = size / 2; i < size; i++) {
      n = 0;
      for (j = size / 2; j < size; j++) {
        arr1[m][n] = arr[i][j];
        n++;
      }
      m++;
    }
    convolution2d(arr1, convolution, size / 2);
    m = 0;
    for (i = size / 2; i < size; i++) {
      n = 0;
      for (j = size / 2; j < size; j++) {
        conv[i][j] = convolution[m][n];
        n++;
      }
      m++;
    }
  }
}
```