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     L99
  mov    %esi,%eax
  mov    %esi,%ebx
  shr    $0x1f,%eax
  add    %esi,%eax
  sar    %eax
  mov    %eax,%r13d
  cmp    $0x1,%eax
  je     L576
  test   %esi,%esi
  lea    0x3(%rsi),%ebp
  cmovns %esi,%ebp
  sar    $0x2,%ebp
  cmp    $0x1,%ebp
  je     L52
  test   %esi,%esi
  lea    0x7(%rsi),%r12d
  cmovns %esi,%r12d
  sar    $0x3,%r12d
  cmp    $0x1,%r12d
  je     L478
  test   %esi,%esi
  lea    0xf(%rsi),%r15d
  cmovns %esi,%r15d
  sar    $0x4,%r15d
  cmp    $0x1,%r15d
  je     L209
  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
L479:
  mov    %r12d,%eax
  sub    %r15d,%eax
  movslq %r15d,%r15
  lea    (%r14,%r15,4),%rdx
  cmp    $0x1,%eax
  je     L106
  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
L506:
  maxss  %xmm2,%xmm1
L242:
  mov    %ebp,%r15d
  sub    %r12d,%r15d
  movslq %r12d,%r12
  lea    (%r14,%r12,4),%rdx
  cmp    $0x1,%r15d
  je     L612
  mov    %r15d,%eax
  shr    $0x1f,%eax
  add    %r15d,%eax
  sar    %eax
  cmp    $0x1,%eax
  je     L405
  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
L85:
  sub    %eax,%r15d
  cltq
  lea    (%rdx,%rax,4),%rax
  cmp    $0x1,%r15d
  je     L569
  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
L525:
  maxss  %xmm3,%xmm2
L469:
  maxss  %xmm2,%xmm1
L490:
  mov    %r13d,%r15d
  sub    %ebp,%r15d
  movslq %ebp,%rbp
  lea    (%r14,%rbp,4),%rbp
  cmp    $0x1,%r15d
  je     L223
  mov    %r15d,%eax
  shr    $0x1f,%eax
  add    %r15d,%eax
  sar    %eax
  mov    %eax,%r12d
  cmp    $0x1,%eax
  je     L276
  test   %r15d,%r15d
  lea    0x3(%r15),%eax
  cmovns %r15d,%eax
  sar    $0x2,%eax
  cmp    $0x1,%eax
  je     L414
  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
L255:
  mov    %r12d,%edx
  sub    %eax,%edx
  cltq
  lea    0x0(%rbp,%rax,4),%rcx
  cmp    $0x1,%edx
  je     L598
  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
L22:
  maxss  %xmm3,%xmm2
L607:
  movslq %r12d,%rax
  sub    %r12d,%r15d
  lea    0x0(%rbp,%rax,4),%rax
  cmp    $0x1,%r15d
  je     L124
  mov    %r15d,%r12d
  shr    $0x1f,%r12d
  add    %r15d,%r12d
  sar    %r12d
  cmp    $0x1,%r12d
  je     L115
  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
L392:
  sub    %r12d,%r15d
  movslq %r12d,%r12
  mov    %r15d,%ebp
  lea    (%rax,%r12,4),%r15
  cmp    $0x1,%ebp
  je     L264
  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
L337:
  maxss  %xmm4,%xmm3
L159:
  maxss  %xmm3,%xmm2
L277:
  sub    %r13d,%ebx
  movslq %r13d,%rax
  maxss  %xmm2,%xmm1
  lea    (%r14,%rax,4),%r13
  cmp    $0x1,%ebx
  jne    L201
L557:
  movss  0x0(%r13),%xmm2
L520:
  maxss  %xmm2,%xmm1
  jmp    L266
  nopl   0x0(%rax)
L576:
  sub    %r13d,%ebx
  movslq %r13d,%rax
  movss  (%rdi),%xmm1
  lea    (%r14,%rax,4),%r13
  cmp    $0x1,%ebx
  je     L557
L201:
  mov    %ebx,%eax
  shr    $0x1f,%eax
  add    %ebx,%eax
  sar    %eax
  mov    %eax,%r12d
  cmp    $0x1,%eax
  je     L67
  test   %ebx,%ebx
  lea    0x3(%rbx),%edx
  cmovns %ebx,%edx
  sar    $0x2,%edx
  mov    %edx,%r14d
  cmp    $0x1,%edx
  je     L542
  test   %ebx,%ebx
  lea    0x7(%rbx),%ebp
  cmovns %ebx,%ebp
  sar    $0x3,%ebp
  cmp    $0x1,%ebp
  je     L263
  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
L494:
  mov    %r14d,%r15d
  sub    %ebp,%r15d
  movslq %ebp,%rbp
  lea    0x0(%r13,%rbp,4),%rax
  cmp    $0x1,%r15d
  je     L573
  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
L89:
  maxss  %xmm3,%xmm2
L408:
  mov    %r12d,%ebp
  movslq %r14d,%rdx
  sub    %r14d,%ebp
  lea    0x0(%r13,%rdx,4),%r15
  cmp    $0x1,%ebp
  je     L486
  mov    %ebp,%eax
  shr    $0x1f,%eax
  add    %ebp,%eax
  sar    %eax
  mov    %eax,%r14d
  cmp    $0x1,%eax
  je     L428
  test   %ebp,%ebp
  lea    0x3(%rbp),%eax
  cmovns %ebp,%eax
  sar    $0x2,%eax
  cmp    $0x1,%eax
  je     L32
  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
L541:
  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
L413:
  movslq %r14d,%rax
  sub    %r14d,%ebp
  lea    (%r15,%rax,4),%r15
  cmp    $0x1,%ebp
  je     L3
  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
L323:
  maxss  %xmm4,%xmm3
L378:
  movslq %r12d,%rax
  sub    %r12d,%ebx
  maxss  %xmm3,%xmm2
  lea    0x0(%r13,%rax,4),%r13
  cmp    $0x1,%ebx
  je     L44
L552:
  mov    %ebx,%eax
  shr    $0x1f,%eax
  add    %ebx,%eax
  sar    %eax
  mov    %eax,%r12d
  cmp    $0x1,%eax
  je     L71
  test   %ebx,%ebx
  lea    0x3(%rbx),%ebp
  cmovns %ebx,%ebp
  sar    $0x2,%ebp
  cmp    $0x1,%ebp
  je     L429
  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
L418:
  mov    %r12d,%r14d
  sub    %ebp,%r14d
  movslq %ebp,%rbp
  lea    0x0(%r13,%rbp,4),%r15
  cmp    $0x1,%r14d
  je     L110
  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
L571:
  maxss  %xmm4,%xmm3
L628:
  movslq %r12d,%rax
  sub    %r12d,%ebx
  lea    0x0(%r13,%rax,4),%r13
  cmp    $0x1,%ebx
  je     L355
  mov    %ebx,%ebp
  shr    $0x1f,%ebp
  add    %ebx,%ebp
  sar    %ebp
  cmp    $0x1,%ebp
  je     L28
  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
L170:
  sub    %ebp,%ebx
  movslq %ebp,%rbp
  lea    0x0(%r13,%rbp,4),%r12
  cmp    $0x1,%ebx
  je     L568
  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
L143:
  maxss  %xmm5,%xmm4
L157:
  maxss  %xmm4,%xmm3
L470:
  maxss  %xmm3,%xmm2
  jmp    L520
  nopw   0x0(%rax,%rax,1)
L99:
  movss  (%rdi),%xmm1
L266:
  add    $0x28,%rsp
  movaps %xmm1,%xmm0
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L542:
  movss  0x0(%r13),%xmm2
  jmp    L408
  nopl   0x0(%rax,%rax,1)
L478:
  movss  (%rdi),%xmm1
  jmp    L242
  nopl   0x0(%rax)
L67:
  movslq %r12d,%rax
  sub    %r12d,%ebx
  movss  0x0(%r13),%xmm2
  lea    0x0(%r13,%rax,4),%r13
  cmp    $0x1,%ebx
  jne    L552
L44:
  movss  0x0(%r13),%xmm3
  jmp    L470
  nopw   0x0(%rax,%rax,1)
L52:
  movss  (%rdi),%xmm1
  jmp    L490
  nopl   0x0(%rax)
L223:
  movss  0x0(%rbp),%xmm2
  jmp    L277
  nopw   0x0(%rax,%rax,1)
L71:
  movss  0x0(%r13),%xmm3
  jmp    L628
  nopl   0x0(%rax,%rax,1)
L486:
  movss  (%r15),%xmm3
  jmp    L378
  nopw   0x0(%rax,%rax,1)
L276:
  movss  0x0(%rbp),%xmm2
  jmp    L607
  nopw   0x0(%rax,%rax,1)
L612:
  movss  (%rdx),%xmm2
  jmp    L469
  nopl   0x0(%rax)
L355:
  movss  0x0(%r13),%xmm4
  jmp    L157
  nopl   0x0(%rax,%rax,1)
L124:
  movss  (%rax),%xmm3
  jmp    L159
  nopl   0x0(%rax)
L110:
  movss  (%r15),%xmm4
  jmp    L571
  nopw   0x0(%rax,%rax,1)
L598:
  movss  (%rcx),%xmm3
  jmp    L22
  nopl   0x0(%rax)
L264:
  movss  (%r15),%xmm4
  jmp    L337
  nopw   0x0(%rax,%rax,1)
L115:
  movss  (%rax),%xmm3
  jmp    L392
  nopl   0x0(%rax)
L3:
  movss  (%r15),%xmm4
  jmp    L323
  nopw   0x0(%rax,%rax,1)
L569:
  movss  (%rax),%xmm3
  jmp    L525
  nopl   0x0(%rax)
L568:
  movss  (%r12),%xmm5
  jmp    L143
  nopl   0x0(%rax,%rax,1)
L28:
  movss  0x0(%r13),%xmm4
  jmp    L170
  nopl   0x0(%rax,%rax,1)
L414:
  movss  0x0(%rbp),%xmm2
  jmp    L255
  nopw   0x0(%rax,%rax,1)
L405:
  movss  (%rdx),%xmm2
  jmp    L85
  nopl   0x0(%rax)
L106:
  movss  (%rdx),%xmm2
  jmp    L506
  nopl   0x0(%rax)
L209:
  movss  (%rdi),%xmm1
  jmp    L479
  nopl   0x0(%rax)
L429:
  movss  0x0(%r13),%xmm3
  jmp    L418
  nopl   0x0(%rax,%rax,1)
L428:
  movss  (%r15),%xmm3
  jmp    L413
  nopw   0x0(%rax,%rax,1)
L573:
  movss  (%rax),%xmm3
  jmp    L89
  nopl   0x0(%rax)
L263:
  movss  0x0(%r13),%xmm2
  jmp    L494
  nopl   0x0(%rax,%rax,1)
L32:
  movss  (%r15),%xmm3
  jmp    L541
```

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;
}
```