user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<generateMatrix>:
  endbr64
  push   %r15
  mov    %rdx,%r15
  push   %r14
  movslq %edi,%r14
  push   %r13
  lea    0x0(,%r14,8),%edi
  mov    %r14,%r13
  push   %r12
  push   %rbp
  mov    %r14d,%ebp
  push   %rbx
  imul   %r14d,%ebp
  sub    $0x18,%rsp
  mov    %rsi,0x8(%rsp)
  call   <malloc@plt>
  lea    0x0(,%rbp,4),%edi
  mov    %rax,%r12
  call   <malloc@plt>
  mov    0x8(%rsp),%rsi
  lea    0x0(,%r14,4),%edi
  mov    %rax,%rbx
  mov    %r14d,(%rsi)
  call   <malloc@plt>
  mov    %rax,(%r15)
  test   %r14d,%r14d
  jle    L75
  lea    0x0(,%r14,4),%rcx
  mov    %rbx,%rdx
  xor    %eax,%eax
L87:
  mov    %rdx,(%r12,%rax,2)
  mov    (%r15),%rsi
  add    %rcx,%rdx
  mov    %r13d,(%rsi,%rax,1)
  add    $0x4,%rax
  cmp    %rcx,%rax
  jne    L87
L75:
  lea    -0x1(%r13),%esi
  test   %ebp,%ebp
  je     L62
  movdqa D24(%rip),%xmm4
  mov    %esi,%r10d
  xor    %eax,%eax
  xor    %r9d,%r9d
  movdqa D28(%rip),%xmm3
  movdqa D6(%rip),%xmm2
  xor    %r11d,%r11d
  xor    %edx,%edx
  nopl   0x0(%rax,%rax,1)
L224:
  cmp    $0x2,%edx
  je     L152
  jg     L130
  test   %edx,%edx
  je     L223
  cmp    $0x1,%edx
  jne    L237
  mov    %eax,%r8d
  cmp    %esi,%r11d
  jg     L109
  movslq %r10d,%rbx
  movslq %r11d,%rcx
  lea    0x1(%rsi,%rax,1),%r8d
  shl    $0x2,%rbx
  lea    (%r12,%rcx,8),%rcx
  sub    %r11d,%r8d
  cs nopw 0x0(%rax,%rax,1)
L46:
  mov    (%rcx),%rdi
  add    $0x1,%eax
  add    $0x8,%rcx
  mov    %eax,(%rdi,%rbx,1)
  cmp    %r8d,%eax
  jne    L46
L109:
  sub    $0x1,%r10d
  mov    %r8d,%eax
  nopl   0x0(%rax)
L237:
  add    $0x1,%edx
  and    $0x3,%edx
  cmp    %eax,%ebp
  jg     L224
L62:
  add    $0x18,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L130:
  cmp    $0x3,%edx
  jne    L237
  mov    %eax,%r8d
  cmp    %esi,%r11d
  jg     L291
  movslq %r9d,%rbx
  movslq %esi,%rcx
  lea    0x1(%rsi,%rax,1),%r8d
  shl    $0x2,%rbx
  lea    (%r12,%rcx,8),%rcx
  sub    %r11d,%r8d
  nopl   0x0(%rax,%rax,1)
L38:
  mov    (%rcx),%rdi
  add    $0x1,%eax
  sub    $0x8,%rcx
  mov    %eax,(%rdi,%rbx,1)
  cmp    %r8d,%eax
  jne    L38
L291:
  add    $0x1,%r9d
  mov    %r8d,%eax
  jmp    L237
  nopl   0x0(%rax,%rax,1)
L152:
  cmp    %r10d,%r9d
  jg     L81
  mov    %r10d,%ebx
  movslq %esi,%rcx
  sub    %r9d,%ebx
  mov    (%r12,%rcx,8),%r13
  lea    0x1(%rbx),%r14d
  cmp    $0x2,%ebx
  jbe    L226
  movslq %r10d,%rcx
  mov    %r14d,%r8d
  movd   %eax,%xmm6
  shr    $0x2,%r8d
  lea    -0xc(%r13,%rcx,4),%rdi
  pshufd $0x0,%xmm6,%xmm1
  lea    -0x1(%r8),%r15d
  lea    -0x10(%rdi),%rcx
  shl    $0x4,%r15
  mov    %rcx,%r8
  paddd  %xmm4,%xmm1
  sub    %r15,%r8
  jmp    L266
  nopl   0x0(%rax,%rax,1)
L102:
  sub    $0x10,%rcx
L266:
  movdqa %xmm1,%xmm0
  paddd  %xmm3,%xmm1
  paddd  %xmm2,%xmm0
  pshufd $0x1b,%xmm0,%xmm0
  movups %xmm0,(%rdi)
  mov    %rcx,%rdi
  cmp    %rcx,%r8
  jne    L102
  mov    %r14d,%r8d
  mov    %r10d,%ecx
  and    $0xfffffffc,%r8d
  sub    %r8d,%ecx
  lea    (%rax,%r8,1),%edi
  cmp    %r8d,%r14d
  je     L280
L170:
  movslq %ecx,%r14
  lea    0x1(%rdi),%r15d
  mov    %r15d,0x0(%r13,%r14,4)
  lea    0x0(,%r14,4),%r8
  lea    -0x1(%rcx),%r14d
  cmp    %r14d,%r9d
  jg     L280
  lea    0x2(%rdi),%r14d
  sub    $0x2,%ecx
  mov    %r14d,-0x4(%r13,%r8,1)
  cmp    %ecx,%r9d
  jg     L280
  add    $0x3,%edi
  mov    %edi,-0x8(%r13,%r8,1)
L280:
  lea    0x1(%rax,%rbx,1),%eax
L81:
  sub    $0x1,%esi
  jmp    L237
  nopl   0x0(%rax,%rax,1)
L223:
  cmp    %r10d,%r9d
  jg     L149
  mov    %r10d,%ebx
  movslq %r11d,%rcx
  sub    %r9d,%ebx
  mov    (%r12,%rcx,8),%r13
  lea    0x1(%rbx),%r14d
  cmp    $0x2,%ebx
  jbe    L184
  movslq %r9d,%rcx
  movd   %eax,%xmm5
  lea    0x0(%r13,%rcx,4),%rdi
  mov    %r14d,%ecx
  pshufd $0x0,%xmm5,%xmm1
  shr    $0x2,%ecx
  paddd  %xmm4,%xmm1
  lea    -0x1(%rcx),%r8d
  lea    0x10(%rdi),%rcx
  shl    $0x4,%r8
  add    %rcx,%r8
  jmp    L156
  nop
L305:
  add    $0x10,%rcx
L156:
  movdqa %xmm1,%xmm0
  paddd  %xmm3,%xmm1
  paddd  %xmm2,%xmm0
  movups %xmm0,(%rdi)
  mov    %rcx,%rdi
  cmp    %rcx,%r8
  jne    L305
  mov    %r14d,%r8d
  and    $0xfffffffc,%r8d
  lea    (%r8,%r9,1),%ecx
  lea    (%r8,%rax,1),%edi
  cmp    %r14d,%r8d
  je     L105
L19:
  movslq %ecx,%r14
  lea    0x1(%rdi),%r15d
  mov    %r15d,0x0(%r13,%r14,4)
  lea    0x0(,%r14,4),%r8
  lea    0x1(%rcx),%r14d
  cmp    %r10d,%r14d
  jg     L105
  lea    0x2(%rdi),%r14d
  add    $0x2,%ecx
  mov    %r14d,0x4(%r13,%r8,1)
  cmp    %r10d,%ecx
  jg     L105
  add    $0x3,%edi
  mov    %edi,0x8(%r13,%r8,1)
L105:
  lea    0x1(%rax,%rbx,1),%eax
L149:
  add    $0x1,%r11d
  jmp    L237
L226:
  mov    %eax,%edi
  mov    %r10d,%ecx
  jmp    L170
L184:
  mov    %eax,%edi
  mov    %r9d,%ecx
  jmp    L19
```

tool_calls: name: parse_data
arguments: data_tag: D24
datatype: byte[16]
name: parse_data
arguments: data_tag: D28
datatype: byte[16]
name: parse_data
arguments: data_tag: D6
datatype: byte[16]

tool: {"D24": [0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x03,0x00,0x00,0x00]}

tool: {"D28": [0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00]}

tool: {"D6": [0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00]}

assistant: ```c
int **generateMatrix(int n, int *returnSize, int **returnColumnSizes) {
  int i;
  int **matrix = malloc(n * sizeof(int *));
  int *nums = malloc(n * n * sizeof(int));
  *returnSize = n;
  *returnColumnSizes = malloc(n * sizeof(int));
  for (i = 0; i < n; i++) {
    matrix[i] = &nums[i * n];
    (*returnColumnSizes)[i] = n;
  }
  int direction = 0;
  int hor_top = 0;
  int hor_bottom = n - 1;
  int ver_left = 0;
  int ver_right = n - 1;
  int num = 0;
  while (num < n * n) {
    switch (direction) {
    case 0:
      for (i = ver_left; i <= ver_right; i++) {
        matrix[hor_top][i] = ++num;
      }
      hor_top++;
      break;
    case 1:
      for (i = hor_top; i <= hor_bottom; i++) {
        matrix[i][ver_right] = ++num;
      }
      ver_right--;
      break;
    case 2:
      for (i = ver_right; i >= ver_left; i--) {
        matrix[hor_bottom][i] = ++num;
      }
      hor_bottom--;
      break;
    case 3:
      for (i = hor_bottom; i >= hor_top; i--) {
        matrix[i][ver_left] = ++num;
      }
      ver_left++;
      break;
    }
    direction++;
    direction %= 4;
  }
  return matrix;
}
```