user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<foo>:
  endbr64
  sub    $0x58,%rsp
  movl   $0x0,0x8(%rsp)
  movl   $0x1,0xc(%rsp)
  mov    0xc(%rsp),%edx
  mov    0x8(%rsp),%eax
  add    %edx,%eax
  mov    %eax,0x8(%rsp)
  mov    0xc(%rsp),%edx
  mov    0x8(%rsp),%eax
  imul   %edx,%eax
  mov    %eax,0x8(%rsp)
  addl   $0x1,0x8(%rsp)
  je     L130
L131:
  movl   $0x0,0x10(%rsp)
  movl   $0x1,0x14(%rsp)
  mov    0x14(%rsp),%eax
  mov    0x10(%rsp),%edx
  add    %edx,%eax
  mov    %eax,0x10(%rsp)
  mov    0x14(%rsp),%eax
  mov    0x10(%rsp),%edx
  imul   %edx,%eax
  mov    %eax,0x10(%rsp)
  addl   $0x1,0x10(%rsp)
  je     L161
L80:
  movl   $0x0,0x18(%rsp)
  movl   $0x1,0x1c(%rsp)
  mov    0x1c(%rsp),%eax
  mov    0x18(%rsp),%edx
  add    %edx,%eax
  mov    %eax,0x18(%rsp)
  mov    0x1c(%rsp),%eax
  mov    0x18(%rsp),%edx
  imul   %edx,%eax
  mov    %eax,0x18(%rsp)
  addl   $0x1,0x18(%rsp)
  je     L153
L127:
  movl   $0x0,0x20(%rsp)
  movl   $0x1,0x24(%rsp)
  mov    0x24(%rsp),%eax
  mov    0x20(%rsp),%edx
  add    %edx,%eax
  mov    %eax,0x20(%rsp)
  mov    0x24(%rsp),%eax
  mov    0x20(%rsp),%edx
  imul   %edx,%eax
  mov    %eax,0x20(%rsp)
  addl   $0x1,0x20(%rsp)
  je     L35
L175:
  movl   $0x0,0x28(%rsp)
  movl   $0x1,0x2c(%rsp)
  mov    0x2c(%rsp),%eax
  mov    0x28(%rsp),%edx
  add    %edx,%eax
  mov    %eax,0x28(%rsp)
  mov    0x2c(%rsp),%eax
  mov    0x28(%rsp),%edx
  imul   %edx,%eax
  mov    %eax,0x28(%rsp)
  addl   $0x1,0x28(%rsp)
  je     L74
L37:
  movl   $0x0,0x30(%rsp)
  movl   $0x1,0x34(%rsp)
  mov    0x34(%rsp),%eax
  mov    0x30(%rsp),%edx
  add    %edx,%eax
  mov    %eax,0x30(%rsp)
  mov    0x34(%rsp),%eax
  mov    0x30(%rsp),%edx
  imul   %edx,%eax
  mov    %eax,0x30(%rsp)
  addl   $0x1,0x30(%rsp)
  je     L25
L140:
  movl   $0x0,0x38(%rsp)
  movl   $0x1,0x3c(%rsp)
  mov    0x3c(%rsp),%eax
  mov    0x38(%rsp),%edx
  add    %edx,%eax
  mov    %eax,0x38(%rsp)
  mov    0x3c(%rsp),%eax
  mov    0x38(%rsp),%edx
  imul   %edx,%eax
  mov    %eax,0x38(%rsp)
  addl   $0x1,0x38(%rsp)
  je     L45
L49:
  movl   $0x0,0x40(%rsp)
  movl   $0x1,0x44(%rsp)
  mov    0x44(%rsp),%eax
  mov    0x40(%rsp),%edx
  add    %edx,%eax
  mov    %eax,0x40(%rsp)
  mov    0x44(%rsp),%eax
  mov    0x40(%rsp),%edx
  imul   %edx,%eax
  mov    %eax,0x40(%rsp)
  addl   $0x1,0x40(%rsp)
  je     L171
L120:
  movl   $0x0,0x48(%rsp)
  movl   $0x1,0x4c(%rsp)
  mov    0x4c(%rsp),%eax
  mov    0x48(%rsp),%edx
  add    %edx,%eax
  mov    %eax,0x48(%rsp)
  mov    0x4c(%rsp),%eax
  mov    0x48(%rsp),%edx
  imul   %edx,%eax
  mov    %eax,0x48(%rsp)
  addl   $0x1,0x48(%rsp)
  je     L101
L129:
  xor    %eax,%eax
  call   <foo>
  addl   $0x1,0x48(%rsp)
  jne    L129
L101:
  mov    0x4c(%rsp),%eax
  addl   $0x1,0x40(%rsp)
  jne    L120
L171:
  mov    0x44(%rsp),%eax
  addl   $0x1,0x38(%rsp)
  jne    L49
L45:
  mov    0x3c(%rsp),%eax
  addl   $0x1,0x30(%rsp)
  jne    L140
L25:
  mov    0x34(%rsp),%eax
  addl   $0x1,0x28(%rsp)
  jne    L37
L74:
  mov    0x2c(%rsp),%eax
  addl   $0x1,0x20(%rsp)
  jne    L175
L35:
  mov    0x24(%rsp),%eax
  addl   $0x1,0x18(%rsp)
  jne    L127
L153:
  mov    0x1c(%rsp),%eax
  addl   $0x1,0x10(%rsp)
  jne    L80
L161:
  mov    0x14(%rsp),%eax
  addl   $0x1,0x8(%rsp)
  jne    L131
L130:
  mov    0xc(%rsp),%eax
  add    $0x58,%rsp
  ret
```

assistant: ```c
__attribute__((never_patch_for_instrumentation)) int foo() {
  volatile unsigned x = 0;
  volatile unsigned y = 1;
  x += y;
  x *= y;
  while (++x)
    foo();
  return y;
}
```