user: 请将以下的汇编代码转换成C语言代码：

```asm
<maximum>:
  endbr64
  push   %r15
  push   %r14
  mov    %rdi,%r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  cmp    $0x1,%esi
  je     L205
  mov    %esi,%eax
  mov    %esi,%ebx
  shr    $0x1f,%eax
  add    %esi,%eax
  sar    %eax
  mov    %eax,%r13d
  cmp    $0x1,%eax
  je     L213
  test   %esi,%esi
  lea    0x3(%rsi),%ebp
  cmovns %esi,%ebp
  sar    $0x2,%ebp
  cmp    $0x1,%ebp
  je     L50
  test   %esi,%esi
  lea    0x7(%rsi),%r12d
  cmovns %esi,%r12d
  sar    $0x3,%r12d
  cmp    $0x1,%r12d
  je     L564
  test   %esi,%esi
  lea    0xf(%rsi),%r15d
  cmovns %esi,%r15d
  sar    $0x4,%r15d
  cmp    $0x1,%r15d
  je     L191
  test   %esi,%esi
  lea    0x1f(%rsi),%eax
  cmovns %esi,%eax
  sar    $0x5,%eax
  mov    %eax,%esi
  mov    %eax,0x8(%rsp)
  call   <maximum>
  movslq 0x8(%rsp),%rax
  mov    %r15d,%esi
  movss  %xmm0,(%rsp)
  sub    %eax,%esi
  lea    (%r14,%rax,4),%rdi
  call   <maximum>
  movss  (%rsp),%xmm1
  maxss  %xmm0,%xmm1
L358:
  mov    %r12d,%eax
  sub    %r15d,%eax
  movslq %r15d,%r15
  lea    (%r14,%r15,4),%rdx
  cmp    $0x1,%eax
  je     L373
  mov    %eax,%r15d
  mov    %rdx,%rdi
  movss  %xmm1,0x14(%rsp)
  shr    $0x1f,%r15d
  mov    %eax,0x10(%rsp)
  add    %eax,%r15d
  mov    %rdx,0x8(%rsp)
  sar    %r15d
  mov    %r15d,%esi
  call   <maximum>
  mov    0x10(%rsp),%eax
  mov    0x8(%rsp),%rdx
  movss  %xmm0,(%rsp)
  sub    %r15d,%eax
  movslq %r15d,%r15
  mov    %eax,%esi
  lea    (%rdx,%r15,4),%rdi
  call   <maximum>
  movss  (%rsp),%xmm2
  movss  0x14(%rsp),%xmm1
  maxss  %xmm0,%xmm2
L190:
  maxss  %xmm2,%xmm1
L33:
  mov    %ebp,%r15d
  sub    %r12d,%r15d
  movslq %r12d,%r12
  lea    (%r14,%r12,4),%rdx
  cmp    $0x1,%r15d
  je     L577
  mov    %r15d,%eax
  shr    $0x1f,%eax
  add    %r15d,%eax
  sar    %eax
  cmp    $0x1,%eax
  je     L639
  test   %r15d,%r15d
  lea    0x3(%r15),%r12d
  mov    %rdx,%rdi
  mov    %eax,0x8(%rsp)
  cmovns %r15d,%r12d
  movss  %xmm1,0x14(%rsp)
  mov    %rdx,(%rsp)
  sar    $0x2,%r12d
  mov    %r12d,%esi
  call   <maximum>
  mov    0x8(%rsp),%esi
  mov    (%rsp),%rdx
  movss  %xmm0,0x10(%rsp)
  sub    %r12d,%esi
  movslq %r12d,%r12
  lea    (%rdx,%r12,4),%rdi
  call   <maximum>
  movss  0x10(%rsp),%xmm2
  movss  0x14(%rsp),%xmm1
  mov    0x8(%rsp),%eax
  mov    (%rsp),%rdx
  maxss  %xmm0,%xmm2
L552:
  sub    %eax,%r15d
  cltq
  lea    (%rdx,%rax,4),%rax
  cmp    $0x1,%r15d
  je     L283
  mov    %r15d,%r12d
  mov    %rax,%rdi
  mov    %rax,0x8(%rsp)
  shr    $0x1f,%r12d
  movss  %xmm1,0x14(%rsp)
  add    %r15d,%r12d
  movss  %xmm2,0x10(%rsp)
  sar    %r12d
  mov    %r12d,%esi
  call   <maximum>
  mov    0x8(%rsp),%rax
  mov    %r15d,%esi
  sub    %r12d,%esi
  movslq %r12d,%r12
  movss  %xmm0,(%rsp)
  lea    (%rax,%r12,4),%rdi
  call   <maximum>
  movss  (%rsp),%xmm3
  movss  0x14(%rsp),%xmm1
  movss  0x10(%rsp),%xmm2
  maxss  %xmm0,%xmm3
L418:
  maxss  %xmm3,%xmm2
L464:
  maxss  %xmm2,%xmm1
L568:
  mov    %r13d,%r15d
  sub    %ebp,%r15d
  movslq %ebp,%rbp
  lea    (%r14,%rbp,4),%rbp
  cmp    $0x1,%r15d
  je     L444
  mov    %r15d,%eax
  shr    $0x1f,%eax
  add    %r15d,%eax
  sar    %eax
  mov    %eax,%r12d
  cmp    $0x1,%eax
  je     L517
  test   %r15d,%r15d
  lea    0x3(%r15),%eax
  cmovns %r15d,%eax
  sar    $0x2,%eax
  cmp    $0x1,%eax
  je     L474
  test   %r15d,%r15d
  lea    0x7(%r15),%edx
  mov    %rbp,%rdi
  mov    %eax,(%rsp)
  cmovns %r15d,%edx
  movss  %xmm1,0x14(%rsp)
  sar    $0x3,%edx
  mov    %edx,%esi
  mov    %edx,0x10(%rsp)
  call   <maximum>
  movslq 0x10(%rsp),%rdx
  mov    (%rsp),%esi
  movss  %xmm0,0x8(%rsp)
  sub    %edx,%esi
  lea    0x0(%rbp,%rdx,4),%rdi
  call   <maximum>
  movss  0x8(%rsp),%xmm2
  movss  0x14(%rsp),%xmm1
  mov    (%rsp),%eax
  maxss  %xmm0,%xmm2
L142:
  mov    %r12d,%edx
  sub    %eax,%edx
  cltq
  lea    0x0(%rbp,%rax,4),%rcx
  cmp    $0x1,%edx
  je     L493
  mov    %edx,%eax
  mov    %rcx,%rdi
  movss  %xmm1,0x1c(%rsp)
  shr    $0x1f,%eax
  movss  %xmm2,0x18(%rsp)
  add    %edx,%eax
  mov    %edx,0x14(%rsp)
  sar    %eax
  mov    %rcx,0x8(%rsp)
  mov    %eax,%esi
  mov    %eax,0x10(%rsp)
  call   <maximum>
  movslq 0x10(%rsp),%rax
  mov    0x14(%rsp),%edx
  mov    0x8(%rsp),%rcx
  movss  %xmm0,(%rsp)
  sub    %eax,%edx
  mov    %edx,%esi
  lea    (%rcx,%rax,4),%rdi
  call   <maximum>
  movss  (%rsp),%xmm3
  movss  0x1c(%rsp),%xmm1
  movss  0x18(%rsp),%xmm2
  maxss  %xmm0,%xmm3
L434:
  maxss  %xmm3,%xmm2
L73:
  movslq %r12d,%rax
  sub    %r12d,%r15d
  lea    0x0(%rbp,%rax,4),%rax
  cmp    $0x1,%r15d
  je     L243
  mov    %r15d,%r12d
  shr    $0x1f,%r12d
  add    %r15d,%r12d
  sar    %r12d
  cmp    $0x1,%r12d
  je     L62
  test   %r15d,%r15d
  lea    0x3(%r15),%ebp
  mov    %rax,%rdi
  movss  %xmm1,0x14(%rsp)
  cmovns %r15d,%ebp
  movss  %xmm2,0x10(%rsp)
  mov    %rax,(%rsp)
  sar    $0x2,%ebp
  mov    %ebp,%esi
  call   <maximum>
  mov    (%rsp),%rax
  mov    %r12d,%esi
  sub    %ebp,%esi
  movslq %ebp,%rbp
  movss  %xmm0,0x8(%rsp)
  lea    (%rax,%rbp,4),%rdi
  call   <maximum>
  movss  0x8(%rsp),%xmm3
  movss  0x14(%rsp),%xmm1
  movss  0x10(%rsp),%xmm2
  mov    (%rsp),%rax
  maxss  %xmm0,%xmm3
L553:
  sub    %r12d,%r15d
  movslq %r12d,%r12
  mov    %r15d,%ebp
  lea    (%rax,%r12,4),%r15
  cmp    $0x1,%ebp
  je     L315
  mov    %ebp,%r12d
  mov    %r15,%rdi
  movss  %xmm1,0x14(%rsp)
  shr    $0x1f,%r12d
  movss  %xmm3,0x10(%rsp)
  add    %ebp,%r12d
  movss  %xmm2,0x8(%rsp)
  sar    %r12d
  mov    %r12d,%esi
  call   <maximum>
  mov    %ebp,%esi
  sub    %r12d,%esi
  movslq %r12d,%r12
  movss  %xmm0,(%rsp)
  lea    (%r15,%r12,4),%rdi
  call   <maximum>
  movss  (%rsp),%xmm4
  movss  0x14(%rsp),%xmm1
  movss  0x10(%rsp),%xmm3
  movss  0x8(%rsp),%xmm2
  maxss  %xmm0,%xmm4
L634:
  maxss  %xmm4,%xmm3
L466:
  maxss  %xmm3,%xmm2
L326:
  sub    %r13d,%ebx
  movslq %r13d,%rax
  maxss  %xmm2,%xmm1
  lea    (%r14,%rax,4),%r13
  cmp    $0x1,%ebx
  jne    L88
L221:
  movss  0x0(%r13),%xmm2
L217:
  maxss  %xmm2,%xmm1
  jmp    L334
  nopl   0x0(%rax)
L213:
  sub    %r13d,%ebx
  movslq %r13d,%rax
  movss  (%rdi),%xmm1
  lea    (%r14,%rax,4),%r13
  cmp    $0x1,%ebx
  je     L221
L88:
  mov    %ebx,%eax
  shr    $0x1f,%eax
  add    %ebx,%eax
  sar    %eax
  mov    %eax,%r12d
  cmp    $0x1,%eax
  je     L149
  test   %ebx,%ebx
  lea    0x3(%rbx),%edx
  cmovns %ebx,%edx
  sar    $0x2,%edx
  mov    %edx,%r14d
  cmp    $0x1,%edx
  je     L100
  test   %ebx,%ebx
  lea    0x7(%rbx),%ebp
  cmovns %ebx,%ebp
  sar    $0x3,%ebp
  cmp    $0x1,%ebp
  je     L29
  test   %ebx,%ebx
  lea    0xf(%rbx),%r15d
  mov    %r13,%rdi
  movss  %xmm1,0x8(%rsp)
  cmovns %ebx,%r15d
  sar    $0x4,%r15d
  mov    %r15d,%esi
  call   <maximum>
  mov    %ebp,%esi
  sub    %r15d,%esi
  movslq %r15d,%r15
  movss  %xmm0,(%rsp)
  lea    0x0(%r13,%r15,4),%rdi
  call   <maximum>
  movss  (%rsp),%xmm2
  movss  0x8(%rsp),%xmm1
  maxss  %xmm0,%xmm2
L307:
  mov    %r14d,%r15d
  sub    %ebp,%r15d
  movslq %ebp,%rbp
  lea    0x0(%r13,%rbp,4),%rax
  cmp    $0x1,%r15d
  je     L216
  mov    %r15d,%ebp
  mov    %rax,%rdi
  mov    %rax,0x8(%rsp)
  shr    $0x1f,%ebp
  movss  %xmm1,0x14(%rsp)
  add    %r15d,%ebp
  movss  %xmm2,0x10(%rsp)
  sar    %ebp
  mov    %ebp,%esi
  call   <maximum>
  mov    0x8(%rsp),%rax
  mov    %r15d,%esi
  sub    %ebp,%esi
  movslq %ebp,%rbp
  movss  %xmm0,(%rsp)
  lea    (%rax,%rbp,4),%rdi
  call   <maximum>
  movss  (%rsp),%xmm3
  movss  0x14(%rsp),%xmm1
  movss  0x10(%rsp),%xmm2
  maxss  %xmm0,%xmm3
L58:
  maxss  %xmm3,%xmm2
L4:
  mov    %r12d,%ebp
  movslq %r14d,%rdx
  sub    %r14d,%ebp
  lea    0x0(%r13,%rdx,4),%r15
  cmp    $0x1,%ebp
  je     L426
  mov    %ebp,%eax
  shr    $0x1f,%eax
  add    %ebp,%eax
  sar    %eax
  mov    %eax,%r14d
  cmp    $0x1,%eax
  je     L382
  test   %ebp,%ebp
  lea    0x3(%rbp),%eax
  cmovns %ebp,%eax
  sar    $0x2,%eax
  cmp    $0x1,%eax
  je     L613
  test   %ebp,%ebp
  lea    0x7(%rbp),%edx
  mov    %r15,%rdi
  mov    %eax,(%rsp)
  cmovns %ebp,%edx
  movss  %xmm1,0x18(%rsp)
  movss  %xmm2,0x14(%rsp)
  sar    $0x3,%edx
  mov    %edx,%esi
  mov    %edx,0x10(%rsp)
  call   <maximum>
  movslq 0x10(%rsp),%rdx
  mov    (%rsp),%esi
  movss  %xmm0,0x8(%rsp)
  sub    %edx,%esi
  lea    (%r15,%rdx,4),%rdi
  call   <maximum>
  movss  0x8(%rsp),%xmm3
  movss  0x18(%rsp),%xmm1
  movss  0x14(%rsp),%xmm2
  mov    (%rsp),%eax
  maxss  %xmm0,%xmm3
L220:
  mov    %r14d,%esi
  movss  %xmm1,0x10(%rsp)
  sub    %eax,%esi
  cltq
  movss  %xmm3,0x8(%rsp)
  lea    (%r15,%rax,4),%rdi
  movss  %xmm2,(%rsp)
  call   <maximum>
  movss  0x8(%rsp),%xmm3
  movss  0x10(%rsp),%xmm1
  movss  (%rsp),%xmm2
  maxss  %xmm0,%xmm3
L619:
  movslq %r14d,%rax
  sub    %r14d,%ebp
  lea    (%r15,%rax,4),%r15
  cmp    $0x1,%ebp
  je     L105
  mov    %ebp,%r14d
  mov    %r15,%rdi
  movss  %xmm1,0x14(%rsp)
  shr    $0x1f,%r14d
  movss  %xmm3,0x10(%rsp)
  add    %ebp,%r14d
  movss  %xmm2,0x8(%rsp)
  sar    %r14d
  mov    %r14d,%esi
  call   <maximum>
  mov    %ebp,%esi
  sub    %r14d,%esi
  movslq %r14d,%r14
  movss  %xmm0,(%rsp)
  lea    (%r15,%r14,4),%rdi
  call   <maximum>
  movss  (%rsp),%xmm4
  movss  0x14(%rsp),%xmm1
  movss  0x10(%rsp),%xmm3
  movss  0x8(%rsp),%xmm2
  maxss  %xmm0,%xmm4
L158:
  maxss  %xmm4,%xmm3
L587:
  movslq %r12d,%rax
  sub    %r12d,%ebx
  maxss  %xmm3,%xmm2
  lea    0x0(%r13,%rax,4),%r13
  cmp    $0x1,%ebx
  je     L37
L597:
  mov    %ebx,%eax
  shr    $0x1f,%eax
  add    %ebx,%eax
  sar    %eax
  mov    %eax,%r12d
  cmp    $0x1,%eax
  je     L381
  test   %ebx,%ebx
  lea    0x3(%rbx),%ebp
  cmovns %ebx,%ebp
  sar    $0x2,%ebp
  cmp    $0x1,%ebp
  je     L229
  test   %ebx,%ebx
  lea    0x7(%rbx),%r14d
  mov    %r13,%rdi
  movss  %xmm1,0x10(%rsp)
  cmovns %ebx,%r14d
  movss  %xmm2,0x8(%rsp)
  sar    $0x3,%r14d
  mov    %r14d,%esi
  call   <maximum>
  mov    %ebp,%esi
  sub    %r14d,%esi
  movslq %r14d,%r14
  movss  %xmm0,(%rsp)
  lea    0x0(%r13,%r14,4),%rdi
  call   <maximum>
  movss  (%rsp),%xmm3
  movss  0x10(%rsp),%xmm1
  movss  0x8(%rsp),%xmm2
  maxss  %xmm0,%xmm3
L75:
  mov    %r12d,%r14d
  sub    %ebp,%r14d
  movslq %ebp,%rbp
  lea    0x0(%r13,%rbp,4),%r15
  cmp    $0x1,%r14d
  je     L103
  mov    %r14d,%ebp
  mov    %r15,%rdi
  movss  %xmm1,0x14(%rsp)
  shr    $0x1f,%ebp
  movss  %xmm3,0x10(%rsp)
  add    %r14d,%ebp
  movss  %xmm2,0x8(%rsp)
  sar    %ebp
  mov    %ebp,%esi
  call   <maximum>
  mov    %r14d,%esi
  sub    %ebp,%esi
  movslq %ebp,%rbp
  movss  %xmm0,(%rsp)
  lea    (%r15,%rbp,4),%rdi
  call   <maximum>
  movss  (%rsp),%xmm4
  movss  0x14(%rsp),%xmm1
  movss  0x10(%rsp),%xmm3
  movss  0x8(%rsp),%xmm2
  maxss  %xmm0,%xmm4
L371:
  maxss  %xmm4,%xmm3
L231:
  movslq %r12d,%rax
  sub    %r12d,%ebx
  lea    0x0(%r13,%rax,4),%r13
  cmp    $0x1,%ebx
  je     L615
  mov    %ebx,%ebp
  shr    $0x1f,%ebp
  add    %ebx,%ebp
  sar    %ebp
  cmp    $0x1,%ebp
  je     L423
  test   %ebx,%ebx
  lea    0x3(%rbx),%r12d
  mov    %r13,%rdi
  movss  %xmm1,0x14(%rsp)
  cmovns %ebx,%r12d
  movss  %xmm3,0x10(%rsp)
  movss  %xmm2,0x8(%rsp)
  sar    $0x2,%r12d
  mov    %r12d,%esi
  call   <maximum>
  mov    %ebp,%esi
  sub    %r12d,%esi
  movslq %r12d,%r12
  movss  %xmm0,(%rsp)
  lea    0x0(%r13,%r12,4),%rdi
  call   <maximum>
  movss  (%rsp),%xmm4
  movss  0x14(%rsp),%xmm1
  movss  0x10(%rsp),%xmm3
  movss  0x8(%rsp),%xmm2
  maxss  %xmm0,%xmm4
L359:
  sub    %ebp,%ebx
  movslq %ebp,%rbp
  lea    0x0(%r13,%rbp,4),%r12
  cmp    $0x1,%ebx
  je     L129
  mov    %ebx,%ebp
  mov    %r12,%rdi
  movss  %xmm1,0x18(%rsp)
  shr    $0x1f,%ebp
  movss  %xmm4,0x14(%rsp)
  add    %ebx,%ebp
  movss  %xmm3,0x10(%rsp)
  sar    %ebp
  movss  %xmm2,0x8(%rsp)
  mov    %ebp,%esi
  call   <maximum>
  mov    %ebx,%esi
  sub    %ebp,%esi
  movslq %ebp,%rbp
  movss  %xmm0,(%rsp)
  lea    (%r12,%rbp,4),%rdi
  call   <maximum>
  movss  (%rsp),%xmm5
  movss  0x18(%rsp),%xmm1
  movss  0x14(%rsp),%xmm4
  movss  0x10(%rsp),%xmm3
  maxss  %xmm0,%xmm5
  movss  0x8(%rsp),%xmm2
L534:
  maxss  %xmm5,%xmm4
L146:
  maxss  %xmm4,%xmm3
L108:
  maxss  %xmm3,%xmm2
  jmp    L217
  nopw   0x0(%rax,%rax,1)
L205:
  movss  (%rdi),%xmm1
L334:
  add    $0x28,%rsp
  movaps %xmm1,%xmm0
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L100:
  movss  0x0(%r13),%xmm2
  jmp    L4
  nopl   0x0(%rax,%rax,1)
L564:
  movss  (%rdi),%xmm1
  jmp    L33
  nopl   0x0(%rax)
L149:
  movslq %r12d,%rax
  sub    %r12d,%ebx
  movss  0x0(%r13),%xmm2
  lea    0x0(%r13,%rax,4),%r13
  cmp    $0x1,%ebx
  jne    L597
L37:
  movss  0x0(%r13),%xmm3
  jmp    L108
  nopw   0x0(%rax,%rax,1)
L50:
  movss  (%rdi),%xmm1
  jmp    L568
  nopl   0x0(%rax)
L444:
  movss  0x0(%rbp),%xmm2
  jmp    L326
  nopw   0x0(%rax,%rax,1)
L381:
  movss  0x0(%r13),%xmm3
  jmp    L231
  nopl   0x0(%rax,%rax,1)
L426:
  movss  (%r15),%xmm3
  jmp    L587
  nopw   0x0(%rax,%rax,1)
L517:
  movss  0x0(%rbp),%xmm2
  jmp    L73
  nopw   0x0(%rax,%rax,1)
L577:
  movss  (%rdx),%xmm2
  jmp    L464
  nopl   0x0(%rax)
L615:
  movss  0x0(%r13),%xmm4
  jmp    L146
  nopl   0x0(%rax,%rax,1)
L243:
  movss  (%rax),%xmm3
  jmp    L466
  nopl   0x0(%rax)
L103:
  movss  (%r15),%xmm4
  jmp    L371
  nopw   0x0(%rax,%rax,1)
L493:
  movss  (%rcx),%xmm3
  jmp    L434
  nopl   0x0(%rax)
L315:
  movss  (%r15),%xmm4
  jmp    L634
  nopw   0x0(%rax,%rax,1)
L62:
  movss  (%rax),%xmm3
  jmp    L553
  nopl   0x0(%rax)
L105:
  movss  (%r15),%xmm4
  jmp    L158
  nopw   0x0(%rax,%rax,1)
L283:
  movss  (%rax),%xmm3
  jmp    L418
  nopl   0x0(%rax)
L129:
  movss  (%r12),%xmm5
  jmp    L534
  nopl   0x0(%rax,%rax,1)
L423:
  movss  0x0(%r13),%xmm4
  jmp    L359
  nopl   0x0(%rax,%rax,1)
L474:
  movss  0x0(%rbp),%xmm2
  jmp    L142
  nopw   0x0(%rax,%rax,1)
L639:
  movss  (%rdx),%xmm2
  jmp    L552
  nopl   0x0(%rax)
L373:
  movss  (%rdx),%xmm2
  jmp    L190
  nopl   0x0(%rax)
L191:
  movss  (%rdi),%xmm1
  jmp    L358
  nopl   0x0(%rax)
L229:
  movss  0x0(%r13),%xmm3
  jmp    L75
  nopl   0x0(%rax,%rax,1)
L382:
  movss  (%r15),%xmm3
  jmp    L619
  nopw   0x0(%rax,%rax,1)
L216:
  movss  (%rax),%xmm3
  jmp    L58
  nopl   0x0(%rax)
L29:
  movss  0x0(%r13),%xmm2
  jmp    L307
  nopl   0x0(%rax,%rax,1)
L613:
  movss  (%r15),%xmm3
  jmp    L220
```

assistant: ```c
float maximum(float *buf, int n) {
  float left, right;
  float max;
  if (n == 1) {
    return buf[0];
  } else {
    left = maximum(buf, n / 2);
    right = maximum(&buf[n / 2], n - n / 2);
  }
  return (left > right) ? left : right;
}
```