user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<makediamond>:
  endbr64
  mov    %edx,%r8d
  push   %r15
  mov    %rcx,%r11
  shr    $0x1f,%r8d
  push   %r14
  mov    %edi,%r14d
  add    %edx,%r8d
  push   %r13
  mov    %edx,%r13d
  sar    %r8d
  push   %r12
  movslq %esi,%r12
  mov    $0x1,%esi
  sub    %r8d,%r14d
  push   %rbp
  sub    %r8d,%esi
  mov    %r12,%r9
  movslq %r14d,%rax
  push   %rbx
  mov    %edi,%ebx
  mov    (%rcx,%rax,8),%rax
  add    %r8d,%ebx
  movss  %xmm0,(%rax,%r12,4)
  movslq %ebx,%rax
  mov    (%rcx,%rax,8),%rax
  movss  %xmm0,(%rax,%r12,4)
  test   %esi,%esi
  jg     L109
  movaps %xmm0,%xmm1
  mov    $0x3,%edi
  mov    $0x1,%edx
  mov    $0xffffffff,%ecx
  lea    -0x4(,%r12,4),%rbp
  shufps $0x0,%xmm1,%xmm1
  nopw   0x0(%rax,%rax,1)
L89:
  mov    %ecx,%eax
  cmp    %edx,%ecx
  jg     L108
  lea    (%r14,%rdx,1),%r10d
  lea    (%rdx,%rdx,1),%r15d
  movslq %r10d,%r10
  mov    (%r11,%r10,8),%r10
  cmp    $0x2,%r15d
  je     L161
  mov    %edi,%r15d
  lea    (%r10,%rbp,1),%rax
  shr    $0x2,%r15d
  shl    $0x4,%r15
  add    %rax,%r15
  nopl   (%rax)
L165:
  movups %xmm1,(%rax)
  add    $0x10,%rax
  cmp    %r15,%rax
  jne    L165
  mov    %edi,%r15d
  and    $0xfffffffc,%r15d
  lea    (%rcx,%r15,1),%eax
  cmp    %edi,%r15d
  je     L108
L161:
  lea    (%r9,%rax,1),%r15d
  movslq %r15d,%r15
  movss  %xmm0,(%r10,%r15,4)
  lea    0x1(%rax),%r15d
  cmp    %edx,%r15d
  jg     L108
  add    %r9d,%r15d
  add    $0x2,%eax
  movslq %r15d,%r15
  movss  %xmm0,(%r10,%r15,4)
  cmp    %edx,%eax
  jg     L108
  add    %r9d,%eax
  cltq
  movss  %xmm0,(%r10,%rax,4)
L108:
  sub    $0x1,%ecx
  lea    0x1(%rdx),%eax
  add    $0x2,%edi
  sub    $0x4,%rbp
  cmp    %r8d,%edx
  je     L109
  mov    %eax,%edx
  jmp    L89
  nopl   0x0(%rax)
L109:
  cmp    $0x3,%r13d
  jle    L87
  movaps %xmm0,%xmm1
  lea    -0x1(%r8),%ecx
  lea    -0x1(%r8,%r8,1),%edi
  movslq %r8d,%rax
  sub    %rax,%r12
  shufps $0x0,%xmm1,%xmm1
  lea    0x4(,%r12,4),%rbp
  nopl   0x0(%rax,%rax,1)
L131:
  mov    %esi,%eax
  cmp    %ecx,%esi
  jg     L143
  mov    %ebx,%edx
  sub    %ecx,%edx
  movslq %edx,%rdx
  mov    (%r11,%rdx,8),%r10
  lea    (%rcx,%rcx,1),%edx
  cmp    $0x2,%edx
  jbe    L12
  mov    %edi,%edx
  lea    (%r10,%rbp,1),%rax
  shr    $0x2,%edx
  shl    $0x4,%rdx
  add    %rax,%rdx
  nopl   0x0(%rax)
L27:
  movups %xmm1,(%rax)
  add    $0x10,%rax
  cmp    %rdx,%rax
  jne    L27
  mov    %edi,%edx
  and    $0xfffffffc,%edx
  lea    (%rsi,%rdx,1),%eax
  cmp    %edi,%edx
  je     L143
L12:
  lea    (%r9,%rax,1),%edx
  movslq %edx,%rdx
  movss  %xmm0,(%r10,%rdx,4)
  lea    0x1(%rax),%edx
  cmp    %ecx,%edx
  jg     L143
  add    %r9d,%edx
  add    $0x2,%eax
  movslq %edx,%rdx
  movss  %xmm0,(%r10,%rdx,4)
  cmp    %ecx,%eax
  jg     L143
  add    %r9d,%eax
  cltq
  movss  %xmm0,(%r10,%rax,4)
L143:
  sub    $0x1,%ecx
  mov    %r8d,%eax
  add    $0x1,%esi
  sub    $0x2,%edi
  sub    %ecx,%eax
  add    $0x4,%rbp
  cmp    %eax,%r8d
  jg     L131
L87:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void makediamond(int ix, int iz, int diffrwidth, float **med, float value) {
  int j, k, id;
  id = diffrwidth / 2;
  j = -id;
  k = 0;
  med[ix + j][iz + k] = value;
  j = +id;
  k = 0;
  med[ix + j][iz + k] = value;
  for (j = -id + 1; j <= 0; j++) {
    for (k = -(j + id); k <= j + id; k++) {
      med[ix + j][iz + k] = value;
    }
  }
  for (j = 1; j <= id - 1; j++) {
    for (k = j - id; k <= -(j - id); k++) {
      med[ix + j][iz + k] = value;
    }
  }
  return;
}
```