user: Demonstrate the C code that generates the assembly output below:

```asm
<triFusion>:
  endbr64
  cmp    %esi,%edi
  jne    L156
  ret
  nopl   0x0(%rax)
L156:
  lea    (%rdi,%rsi,1),%eax
  push   %r15
  push   %r14
  push   %r13
  mov    %eax,%r13d
  push   %r12
  shr    $0x1f,%r13d
  mov    %esi,%r12d
  push   %rbp
  add    %eax,%r13d
  mov    %edi,%ebp
  push   %rbx
  sar    %r13d
  sub    $0x18,%rsp
  cmp    %r13d,%edi
  je     L166
  lea    (%rdi,%r13,1),%eax
  mov    %eax,%r14d
  shr    $0x1f,%r14d
  add    %eax,%r14d
  sar    %r14d
  cmp    %r14d,%edi
  jne    L30
  lea    0x1(%r14),%ebx
  cmp    %ebx,%r13d
  jne    L139
L64:
  mov    %r13d,%edx
  mov    %r14d,%esi
  mov    %ebp,%edi
  call   <fusion@plt>
L166:
  lea    0x1(%r13),%r15d
  cmp    %r12d,%r15d
  je     L45
  lea    (%r15,%r12,1),%eax
  mov    %eax,%r14d
  shr    $0x1f,%r14d
  add    %eax,%r14d
  sar    %r14d
  cmp    %r14d,%r15d
  jne    L96
  lea    0x1(%r14),%r8d
  cmp    %r8d,%r12d
  jne    L128
L109:
  mov    %r12d,%edx
  mov    %r14d,%esi
  mov    %r15d,%edi
  call   <fusion@plt>
L45:
  add    $0x18,%rsp
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %ebp,%edi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1050 <fusion@plt>
  nopl   0x0(%rax)
L128:
  lea    (%r12,%r8,1),%eax
  mov    %eax,%ebx
  shr    $0x1f,%ebx
  add    %eax,%ebx
  sar    %ebx
  cmp    %ebx,%r8d
  je     L188
  lea    (%r8,%rbx,1),%eax
  mov    %r8d,%edi
  mov    %r8d,0x8(%rsp)
  mov    %eax,%r9d
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  mov    %r9d,%esi
  mov    %r9d,0x4(%rsp)
  call   <triFusion>
  mov    0x4(%rsp),%r9d
  mov    %ebx,%esi
  lea    0x1(%r9),%edi
  call   <triFusion>
  mov    0x8(%rsp),%r8d
  mov    0x4(%rsp),%esi
  mov    %ebx,%edx
  mov    %r8d,%edi
  mov    %r8d,0x4(%rsp)
  call   <fusion@plt>
  mov    0x4(%rsp),%r8d
L188:
  lea    0x1(%rbx),%r10d
  cmp    %r10d,%r12d
  je     L54
  lea    (%r12,%r10,1),%eax
  mov    %r10d,%edi
  mov    %r8d,0xc(%rsp)
  mov    %eax,%r9d
  mov    %r10d,0x8(%rsp)
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  mov    %r9d,%esi
  mov    %r9d,0x4(%rsp)
  call   <triFusion>
  mov    0x4(%rsp),%r9d
  mov    %r12d,%esi
  lea    0x1(%r9),%edi
  call   <triFusion>
  mov    0x4(%rsp),%esi
  mov    0x8(%rsp),%edi
  mov    %r12d,%edx
  call   <fusion@plt>
  mov    0xc(%rsp),%r8d
L54:
  mov    %r12d,%edx
  mov    %ebx,%esi
  mov    %r8d,%edi
  call   <fusion@plt>
  jmp    L109
  nopl   0x0(%rax)
L96:
  lea    (%r15,%r14,1),%eax
  mov    %eax,%ebx
  shr    $0x1f,%ebx
  add    %eax,%ebx
  sar    %ebx
  cmp    %ebx,%r15d
  je     L56
  lea    (%r15,%rbx,1),%eax
  mov    %r15d,%edi
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  mov    %r8d,%esi
  mov    %r8d,0x4(%rsp)
  call   <triFusion>
  mov    0x4(%rsp),%r8d
  mov    %ebx,%esi
  lea    0x1(%r8),%edi
  call   <triFusion>
  mov    0x4(%rsp),%esi
  mov    %ebx,%edx
  mov    %r15d,%edi
  call   <fusion@plt>
L56:
  lea    0x1(%rbx),%r9d
  cmp    %r9d,%r14d
  je     L108
  lea    (%r14,%r9,1),%eax
  mov    %r9d,%edi
  mov    %r9d,0x8(%rsp)
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  mov    %r8d,%esi
  mov    %r8d,0x4(%rsp)
  call   <triFusion>
  mov    0x4(%rsp),%r8d
  mov    %r14d,%esi
  lea    0x1(%r8),%edi
  call   <triFusion>
  mov    0x4(%rsp),%esi
  mov    0x8(%rsp),%edi
  mov    %r14d,%edx
  call   <fusion@plt>
L108:
  mov    %r14d,%edx
  mov    %ebx,%esi
  mov    %r15d,%edi
  call   <fusion@plt>
  lea    0x1(%r14),%r8d
  cmp    %r8d,%r12d
  je     L109
  jmp    L128
L139:
  lea    0x0(%r13,%rbx,1),%eax
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  sar    %r15d
  cmp    %r15d,%ebx
  je     L4
  lea    (%rbx,%r15,1),%eax
  mov    %ebx,%edi
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  mov    %r8d,%esi
  mov    %r8d,0x4(%rsp)
  call   <triFusion>
  mov    0x4(%rsp),%r8d
  mov    %r15d,%esi
  lea    0x1(%r8),%edi
  call   <triFusion>
  mov    0x4(%rsp),%esi
  mov    %r15d,%edx
  mov    %ebx,%edi
  call   <fusion@plt>
L4:
  lea    0x1(%r15),%r9d
  cmp    %r9d,%r13d
  je     L106
  lea    0x0(%r13,%r9,1),%eax
  mov    %r9d,%edi
  mov    %r9d,0x8(%rsp)
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  mov    %r8d,%esi
  mov    %r8d,0x4(%rsp)
  call   <triFusion>
  mov    0x4(%rsp),%r8d
  mov    %r13d,%esi
  lea    0x1(%r8),%edi
  call   <triFusion>
  mov    0x4(%rsp),%esi
  mov    0x8(%rsp),%edi
  mov    %r13d,%edx
  call   <fusion@plt>
L106:
  mov    %r13d,%edx
  mov    %r15d,%esi
  mov    %ebx,%edi
  call   <fusion@plt>
  jmp    L64
  nopl   0x0(%rax)
L30:
  lea    (%rdi,%r14,1),%eax
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  sar    %r15d
  cmp    %r15d,%edi
  je     L97
  lea    (%rdi,%r15,1),%eax
  mov    %eax,%ebx
  shr    $0x1f,%ebx
  add    %eax,%ebx
  sar    %ebx
  mov    %ebx,%esi
  call   <triFusion>
  lea    0x1(%rbx),%edi
  mov    %r15d,%esi
  call   <triFusion>
  mov    %r15d,%edx
  mov    %ebx,%esi
  mov    %ebp,%edi
  call   <fusion@plt>
L97:
  lea    0x1(%r15),%r8d
  cmp    %r8d,%r14d
  je     L48
  lea    (%r14,%r8,1),%eax
  mov    %r8d,%edi
  mov    %r8d,0x4(%rsp)
  mov    %eax,%ebx
  shr    $0x1f,%ebx
  add    %eax,%ebx
  sar    %ebx
  mov    %ebx,%esi
  call   <triFusion>
  lea    0x1(%rbx),%edi
  mov    %r14d,%esi
  call   <triFusion>
  mov    0x4(%rsp),%edi
  mov    %r14d,%edx
  mov    %ebx,%esi
  call   <fusion@plt>
L48:
  mov    %r14d,%edx
  mov    %r15d,%esi
  lea    0x1(%r14),%ebx
  mov    %ebp,%edi
  call   <fusion@plt>
  cmp    %ebx,%r13d
  je     L64
  jmp    L139
```

assistant: ```c
void triFusion(int debut, int fin) {
  if (debut != fin) {
    int milieu = (debut + fin) / 2;
    triFusion(debut, milieu);
    triFusion(milieu + 1, fin);
    fusion(debut, milieu, fin);
  }
}
```