user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<convolutionOfMatrix>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  sub    $0x2f8,%rsp
  mov    %rsi,(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x12e8(%rsp)
  xor    %eax,%eax
  cmp    $0x2,%edx
  je     L319
  mov    %rdi,%r13
  mov    %edx,%ebp
  mov    %edx,%ebx
  shr    $0x1f,%ebx
  add    %edx,%ebx
  sar    %ebx
  cmp    $0x1,%edx
  jle    L129
  mov    %rdi,%r14
  lea    0x20(%rsp),%rdx
  mov    $0x0,%esi
L237:
  mov    %rdi,%rcx
  mov    $0x0,%eax
L95:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ebx
  jg     L95
  add    $0x1,%esi
  add    $0xa0,%rdi
  add    $0xa0,%rdx
  cmp    %ebx,%esi
  jl     L237
  lea    0x660(%rsp),%r12
  lea    0x20(%rsp),%rdi
  mov    %ebx,%edx
  mov    %r12,%rsi
  call   <convolution2d@plt>
  mov    %r12,%rdx
  mov    (%rsp),%rdi
  mov    %rdi,%r12
  mov    $0x0,%esi
L289:
  mov    %rdi,%rcx
  mov    $0x0,%eax
L0:
  movsd  (%rdx,%rax,8),%xmm0
  movsd  %xmm0,(%rcx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ebx
  jg     L0
  add    $0x1,%esi
  add    $0xa0,%rdx
  add    $0xa0,%rdi
  cmp    %ebx,%esi
  jl     L289
  movslq %ebx,%r15
  mov    %r15,%rax
  neg    %rax
  shl    $0x3,%rax
  mov    %rax,0x8(%rsp)
  lea    0x20(%rsp,%rax,1),%rdx
  mov    $0x0,%esi
  jmp    L73
L218:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ebp
  jg     L218
L86:
  add    $0x1,%esi
  add    $0xa0,%r14
  add    $0xa0,%rdx
  cmp    %ebx,%esi
  jge    L185
L73:
  mov    %r14,%rcx
  mov    %r15,%rax
  cmp    %ebx,%ebp
  jg     L218
  jmp    L86
L181:
  movsd  (%r14,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ebp
  jg     L181
L64:
  add    $0x1,%ecx
  add    $0xa0,%r14
  add    $0xa0,%r12
  cmp    %ebx,%ecx
  jge    L108
L31:
  mov    %r12,%rdx
  mov    %r15,%rax
  cmp    %ebx,%ebp
  jg     L181
  jmp    L64
L111:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ebx
  jg     L111
L22:
  add    $0xa0,%rsi
  add    $0xa0,%rdx
  cmp    %rdi,%rdx
  je     L268
L142:
  mov    %rsi,%rcx
  mov    $0x0,%eax
  cmp    $0x1,%ebp
  jg     L111
  jmp    L22
L250:
  movsd  (%rdx,%rax,8),%xmm0
  movsd  %xmm0,(%rcx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ebx
  jg     L250
L177:
  add    $0xa0,%rdx
  add    $0xa0,%rsi
  cmp    %rdi,%rdx
  je     L220
L215:
  mov    %rsi,%rcx
  mov    $0x0,%eax
  cmp    $0x1,%ebp
  jg     L250
  jmp    L177
L220:
  mov    %r14,%rax
  neg    %rax
  shl    $0x3,%rax
  mov    %rax,0x10(%rsp)
  lea    0x20(%rsp,%rax,1),%rdx
  lea    (%r15,%r15,4),%rax
  shl    $0x2,%rax
  sub    %r14,%rax
  lea    0x0(,%rax,8),%r15
  mov    0x8(%rsp),%rsi
  add    %r15,%rsi
L301:
  mov    %r13,%rcx
  mov    %r14,%rax
L210:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ebp
  jg     L210
  add    $0xa0,%r13
  add    $0xa0,%rdx
  cmp    %rdx,%rsi
  jne    L301
  lea    0x660(%rsp),%r13
  lea    0x20(%rsp),%rdi
  mov    %ebx,%edx
  mov    %r13,%rsi
  call   <convolution2d@plt>
  add    0x10(%rsp),%r13
  add    (%rsp),%r15
L203:
  mov    %r12,%rdx
  mov    %r14,%rax
L182:
  movsd  0x0(%r13,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ebp
  jg     L182
  add    $0xa0,%r13
  add    $0xa0,%r12
  cmp    %r15,%r13
  jne    L203
L319:
  mov    0x12e8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L143
  add    $0x12f8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L112:
  lea    0x660(%rsp),%r12
  lea    0x20(%rsp),%rbp
  mov    %ebx,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <convolution2d@plt>
  mov    %ebx,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <convolution2d@plt>
  jmp    L319
L268:
  lea    0x660(%rsp),%r12
  lea    0x20(%rsp),%rdi
  mov    %ebx,%edx
  mov    %r12,%rsi
  call   <convolution2d@plt>
  mov    %r12,%rdx
  mov    (%rsp),%r12
  add    0x10(%rsp),%r12
  lea    0x700(%rsp),%rax
  mov    %rax,(%rsp)
  mov    0x18(%rsp),%rdi
  add    %rax,%rdi
  mov    %r12,%rsi
  jmp    L215
L185:
  lea    0x660(%rsp),%r14
  lea    0x20(%rsp),%rdi
  mov    %ebx,%edx
  mov    %r14,%rsi
  call   <convolution2d@plt>
  add    0x8(%rsp),%r14
  mov    $0x0,%ecx
  jmp    L31
L129:
  lea    0x660(%rsp),%r14
  lea    0x20(%rsp),%r12
  mov    %ebx,%edx
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <convolution2d@plt>
  mov    %ebx,%edx
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <convolution2d@plt>
L108:
  cmp    %ebx,%ebp
  jle    L112
  movslq %ebx,%r14
  lea    (%r14,%r14,4),%rax
  shl    $0x5,%rax
  mov    %rax,0x10(%rsp)
  add    %rax,%r13
  lea    0x20(%rsp),%rdx
  lea    -0x1(%rbp),%r15d
  sub    %ebx,%r15d
  lea    (%r15,%r15,4),%rax
  shl    $0x5,%rax
  mov    %rax,0x18(%rsp)
  lea    0xc0(%rsp),%rdi
  mov    %rdi,0x8(%rsp)
  add    %rax,%rdi
  mov    %r13,%rsi
  jmp    L142
L143:
  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++;
    }
  }
}
```