user: 这段汇编代码用C语言表示是什么样的?

```asm
<diamond>:
  endbr64
  push   %r15
  mov    %rdi,%r10
  mov    %edx,%r15d
  push   %r14
  mov    %r8d,%r14d
  push   %r13
  push   %r12
  push   %rbp
  movslq %ecx,%rbp
  push   %rbx
  lea    (%r9,%rbp,1),%eax
  mov    %r9d,%ebx
  movslq %eax,%rcx
  sub    $0x38,%rsp
  mov    %esi,0x24(%rsp)
  lea    (%r9,%r9,1),%esi
  mov    %eax,0x20(%rsp)
  sub    %esi,%eax
  cltq
  mov    %ebp,0x1c(%rsp)
  mov    %rax,0x10(%rsp)
  movslq %r8d,%rax
  mov    %rcx,0x8(%rsp)
  lea    (%rdi,%rax,8),%r12
  mov    %esi,0x18(%rsp)
  movss  %xmm0,0x4(%rsp)
  cmp    %r9d,%r8d
  je     L5
L137:
  add    %ebx,%r14d
  sub    $0x1,%r15d
  mov    %r10,0x28(%rsp)
  movslq %r14d,%rax
  lea    (%r10,%rax,8),%r13
  xor    %eax,%eax
  cmp    %r15d,%r14d
  je     L114
  call   <rand@plt>
  cltd
  idiv   %ebx
  xor    %eax,%eax
  mov    %edx,%r15d
  call   <should_add@plt>
  mov    0x28(%rsp),%r10
  mov    %eax,%r8d
  lea    (%r14,%rbx,1),%eax
  cltq
  lea    (%r10,%rax,8),%rax
  test   %r8d,%r8d
  jne    L12
  mov    0x0(%r13),%rdx
  mov    (%rax),%rax
  mov    $0x4,%edi
  mov    %r10,0x28(%rsp)
  mov    0x10(%rsp),%rsi
  mov    0x8(%rsp),%rcx
  mov    (%rax,%rbp,4),%r8d
  xor    %eax,%eax
  mov    (%rdx,%rcx,4),%ecx
  mov    (%rdx,%rsi,4),%edx
  mov    (%r12),%rsi
  mov    (%rsi,%rbp,4),%esi
  call   <average@plt>
L174:
  pxor   %xmm1,%xmm1
  pxor   %xmm0,%xmm0
  mov    0x0(%r13),%rcx
  mov    0x28(%rsp),%r10
  cvtsi2ss %r15d,%xmm1
  mulss  0x4(%rsp),%xmm1
  cvtsi2ss %eax,%xmm0
  subss  %xmm1,%xmm0
  cvttss2si %xmm0,%edx
  mov    %edx,(%rcx,%rbp,4)
L58:
  sub    0x18(%rsp),%r14d
  movslq %r14d,%r14
  lea    (%r10,%r14,8),%r14
  cmp    0x1c(%rsp),%ebx
  je     L11
L72:
  mov    0x24(%rsp),%eax
  sub    $0x1,%eax
  cmp    0x20(%rsp),%eax
  mov    $0x0,%eax
  je     L104
  call   <rand@plt>
  cltd
  idiv   %ebx
  xor    %eax,%eax
  mov    %edx,%r15d
  call   <should_add@plt>
  mov    (%r14),%rsi
  mov    0x10(%rsp),%rdi
  mov    (%r12),%rdx
  mov    %eax,%r8d
  mov    0x0(%r13),%rcx
  mov    (%rsi,%rdi,4),%r9d
  mov    0x1c(%rsp),%eax
  mov    $0x4,%edi
  add    0x18(%rsp),%eax
  mov    0x8(%rsp),%rbx
  test   %r8d,%r8d
  cltq
  mov    (%rdx,%rbp,4),%esi
  mov    (%rdx,%rax,4),%r8d
  mov    (%rcx,%rbx,4),%ecx
  mov    %r9d,%edx
  mov    $0x0,%eax
  je     L17
  call   <average@plt>
L48:
  pxor   %xmm0,%xmm0
  mov    %eax,%r8d
  pxor   %xmm1,%xmm1
  mov    (%r12),%rax
  cvtsi2ss %r15d,%xmm0
  mulss  0x4(%rsp),%xmm0
  cvtsi2ss %r8d,%xmm1
  addss  %xmm1,%xmm0
  cvttss2si %xmm0,%edx
  mov    %edx,(%rax,%rbx,4)
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L12:
  mov    0x0(%r13),%rdx
  mov    (%rax),%rax
  mov    0x10(%rsp),%rdi
  mov    0x8(%rsp),%rcx
  mov    (%r12),%rsi
  mov    (%rax,%rbp,4),%r8d
  xor    %eax,%eax
  mov    (%rdx,%rcx,4),%ecx
  mov    (%rdx,%rdi,4),%edx
  mov    $0x4,%edi
  mov    (%rsi,%rbp,4),%esi
  call   <average@plt>
L169:
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  mov    0x0(%r13),%rcx
  mov    0x28(%rsp),%r10
  cvtsi2ss %r15d,%xmm0
  mulss  0x4(%rsp),%xmm0
  cvtsi2ss %eax,%xmm1
  addss  %xmm1,%xmm0
  cvttss2si %xmm0,%edx
  mov    %edx,(%rcx,%rbp,4)
  jmp    L58
  xchg   %ax,%ax
L104:
  call   <rand@plt>
  cltd
  idiv   %ebx
  xor    %eax,%eax
  mov    %edx,%r15d
  call   <should_add@plt>
  mov    0x8(%rsp),%rbx
  mov    $0x3,%edi
  test   %eax,%eax
  mov    0x0(%r13),%rax
  mov    (%rax,%rbx,4),%ecx
  mov    (%r14),%rax
  mov    (%rax,%rbx,4),%edx
  mov    (%r12),%rax
  mov    (%rax,%rbp,4),%esi
  mov    $0x0,%eax
  je     L122
  call   <average@plt>
  jmp    L48
  nopw   0x0(%rax,%rax,1)
L114:
  call   <rand@plt>
  cltd
  idiv   %ebx
  xor    %eax,%eax
  mov    %edx,%r15d
  call   <should_add@plt>
  mov    0x28(%rsp),%r10
  test   %eax,%eax
  je     L106
  mov    0x0(%r13),%rax
  mov    0x10(%rsp),%rsi
  mov    $0x3,%edi
  mov    0x8(%rsp),%rcx
  mov    (%rax,%rsi,4),%edx
  mov    (%rax,%rcx,4),%ecx
  mov    (%r12),%rax
  mov    (%rax,%rbp,4),%esi
  xor    %eax,%eax
  call   <average@plt>
  jmp    L169
  nopl   0x0(%rax,%rax,1)
L17:
  call   <average@plt>
L59:
  pxor   %xmm1,%xmm1
  mov    %eax,%r8d
  pxor   %xmm0,%xmm0
  mov    (%r12),%rax
  cvtsi2ss %r15d,%xmm1
  mulss  0x4(%rsp),%xmm1
  cvtsi2ss %r8d,%xmm0
  subss  %xmm1,%xmm0
  cvttss2si %xmm0,%edx
  mov    %edx,(%rax,%rbx,4)
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L5:
  xor    %eax,%eax
  mov    %rdi,0x28(%rsp)
  call   <rand@plt>
  cltd
  idiv   %r14d
  xor    %eax,%eax
  mov    %edx,%r13d
  call   <should_add@plt>
  mov    0x28(%rsp),%r10
  test   %eax,%eax
  mov    (%r10),%rax
  je     L64
  mov    0x10(%rsp),%rsi
  mov    0x8(%rsp),%rcx
  mov    $0x3,%edi
  mov    (%rax,%rsi,4),%edx
  mov    (%rax,%rcx,4),%ecx
  mov    (%r12),%rax
  mov    (%rax,%rbp,4),%esi
  xor    %eax,%eax
  call   <average@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  mov    0x28(%rsp),%r10
  cvtsi2ss %r13d,%xmm0
  mulss  0x4(%rsp),%xmm0
  cvtsi2ss %eax,%xmm1
  mov    (%r10),%rcx
  addss  %xmm1,%xmm0
  cvttss2si %xmm0,%edx
  mov    %edx,(%rcx,%rbp,4)
  jmp    L137
  nopl   0x0(%rax)
L11:
  xor    %eax,%eax
  call   <rand@plt>
  cltd
  idiv   %ebx
  xor    %eax,%eax
  mov    %edx,%r15d
  call   <should_add@plt>
  mov    0x0(%r13),%rdx
  mov    (%r12),%rcx
  mov    $0x3,%edi
  test   %eax,%eax
  mov    (%r14),%rax
  mov    (%rcx,%rbp,4),%esi
  mov    (%rdx),%ecx
  mov    (%rax),%edx
  mov    $0x0,%eax
  je     L125
  call   <average@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  mov    (%r12),%rcx
  cvtsi2ss %r15d,%xmm0
  mulss  0x4(%rsp),%xmm0
  cvtsi2ss %eax,%xmm1
  addss  %xmm1,%xmm0
  cvttss2si %xmm0,%edx
  mov    %edx,(%rcx)
  jmp    L72
  nopl   0x0(%rax,%rax,1)
L106:
  mov    0x0(%r13),%rax
  mov    0x10(%rsp),%rsi
  mov    $0x3,%edi
  mov    %r10,0x28(%rsp)
  mov    0x8(%rsp),%rcx
  mov    (%rax,%rsi,4),%edx
  mov    (%rax,%rcx,4),%ecx
  mov    (%r12),%rax
  mov    (%rax,%rbp,4),%esi
  xor    %eax,%eax
  call   <average@plt>
  jmp    L174
  nopl   0x0(%rax)
L122:
  call   <average@plt>
  jmp    L59
  nopw   0x0(%rax,%rax,1)
L125:
  call   <average@plt>
  pxor   %xmm1,%xmm1
  pxor   %xmm0,%xmm0
  mov    (%r12),%rcx
  cvtsi2ss %r15d,%xmm1
  mulss  0x4(%rsp),%xmm1
  cvtsi2ss %eax,%xmm0
  subss  %xmm1,%xmm0
  cvttss2si %xmm0,%edx
  mov    %edx,(%rcx)
  jmp    L72
  nop
L64:
  mov    0x10(%rsp),%rdi
  mov    0x8(%rsp),%rcx
  mov    %r10,0x28(%rsp)
  mov    (%rax,%rdi,4),%edx
  mov    (%rax,%rcx,4),%ecx
  mov    $0x3,%edi
  mov    (%r12),%rax
  mov    (%rax,%rbp,4),%esi
  xor    %eax,%eax
  call   <average@plt>
  pxor   %xmm1,%xmm1
  pxor   %xmm0,%xmm0
  mov    0x28(%rsp),%r10
  cvtsi2ss %r13d,%xmm1
  mulss  0x4(%rsp),%xmm1
  cvtsi2ss %eax,%xmm0
  mov    (%r10),%rcx
  subss  %xmm1,%xmm0
  cvttss2si %xmm0,%edx
  mov    %edx,(%rcx,%rbp,4)
  jmp    L137
```

assistant: ```c
void diamond(int **map, int width, int height, int x, int y, int length, float roughness) {
  int salt;
  if (y - length == 0) {
    salt = rand() % length;
    if (should_add()) {
      map[y - length][x] = average(3, map[y][x], map[y - length][x - length], map[y - length][x + length]) + (salt * roughness);
    } else {
      map[y - length][x] = average(3, map[y][x], map[y - length][x - length], map[y - length][x + length]) - (salt * roughness);
    }
  }
  if (y + length == height - 1) {
    salt = rand() % length;
    if (should_add()) {
      map[y + length][x] = average(3, map[y][x], map[y + length][x - length], map[y + length][x + length]) + (salt * roughness);
    } else {
      map[y + length][x] = average(3, map[y][x], map[y + length][x - length], map[y + length][x + length]) - (salt * roughness);
    }
  } else {
    salt = rand() % length;
    if (should_add()) {
      map[y + length][x] = average(4, map[y][x], map[y + length][x - length], map[y + length][x + length], map[y + 2 * length][x]) + (salt * roughness);
    } else {
      map[y + length][x] = average(4, map[y][x], map[y + length][x - length], map[y + length][x + length], map[y + 2 * length][x]) - (salt * roughness);
    }
  }
  if (x - length == 0) {
    salt = rand() % length;
    if (should_add()) {
      map[y][x - length] = average(3, map[y][x], map[y - length][x - length], map[y + length][x - length]) + (salt * roughness);
    } else {
      map[y][x - length] = average(3, map[y][x], map[y - length][x - length], map[y + length][x - length]) - (salt * roughness);
    }
  }
  if (x + length == width - 1) {
    salt = rand() % length;
    if (should_add()) {
      map[y][x + length] = average(3, map[y][x], map[y - length][x + length], map[y + length][x + length]) + (salt * roughness);
    } else {
      map[y][x + length] = average(3, map[y][x], map[y - length][x + length], map[y + length][x + length]) - (salt * roughness);
    }
  } else {
    salt = rand() % length;
    if (should_add()) {
      map[y][x + length] = average(4, map[y][x], map[y - length][x - length], map[y + length][x + length], map[y][x + 2 * length]) + (salt * roughness);
    } else {
      map[y][x + length] = average(4, map[y][x], map[y - length][x - length], map[y + length][x + length], map[y][x + 2 * length]) - (salt * roughness);
    }
  }
}
```