user: 请从给定的汇编指令推导出C源代码：

```asm
<cg_update_d>:
  endbr64
  mov    %rcx,%rax
  mov    %rdx,%r9
  mov    %rcx,%r11
  push   %rbp
  movabs $0x6666666666666667,%rdx
  push   %rbx
  mov    %rdi,%r8
  movapd %xmm0,%xmm14
  imul   %rdx
  mov    %rcx,%rax
  mov    %rsi,%rdi
  mov    %rcx,%rbx
  sar    $0x3f,%rax
  sar    %rdx
  sub    %rax,%rdx
  lea    (%rdx,%rdx,4),%rax
  sub    %rax,%r11
  test   %r9,%r9
  je     L129
  test   %r11,%r11
  jle    L278
  lea    0x8(%rsi),%rax
  cmp    %rax,%r8
  je     L77
  cmp    $0x1,%r11
  je     L77
  movapd %xmm0,%xmm4
  movupd (%rsi),%xmm0
  pxor   %xmm3,%xmm3
  mov    %r11,%rax
  unpcklpd %xmm4,%xmm4
  shr    %rax
  movapd %xmm0,%xmm2
  mulpd  %xmm0,%xmm2
  movapd %xmm2,%xmm1
  unpckhpd %xmm2,%xmm2
  addsd  %xmm3,%xmm1
  addsd  %xmm2,%xmm1
  movupd (%r8),%xmm2
  mulpd  %xmm4,%xmm2
  subpd  %xmm0,%xmm2
  movups %xmm2,(%r8)
  mulpd  %xmm2,%xmm2
  movapd %xmm2,%xmm0
  unpckhpd %xmm2,%xmm2
  addsd  %xmm3,%xmm0
  addsd  %xmm2,%xmm0
  cmp    $0x2,%rax
  jne    L355
  movupd 0x10(%rsi),%xmm3
  movapd %xmm3,%xmm2
  mulpd  %xmm3,%xmm2
  addsd  %xmm2,%xmm1
  unpckhpd %xmm2,%xmm2
  addsd  %xmm2,%xmm1
  movupd 0x10(%r8),%xmm2
  mulpd  %xmm4,%xmm2
  subpd  %xmm3,%xmm2
  movups %xmm2,0x10(%r8)
  mulpd  %xmm2,%xmm2
  movapd %xmm2,%xmm3
  unpckhpd %xmm2,%xmm2
  addsd  %xmm0,%xmm3
  addsd  %xmm3,%xmm2
  movapd %xmm2,%xmm0
  nopl   0x0(%rax,%rax,1)
L25:
  cmp    %r11,%rbx
  jle    L120
  lea    0x50(,%r11,8),%rax
  lea    0x0(,%r11,8),%rcx
  lea    (%rdi,%rax,1),%rbp
  lea    (%r8,%rcx,1),%r10
  add    %rdi,%rcx
  lea    -0x1(%rbx),%rdx
  sub    %r11,%rdx
  cmp    %rbp,%r10
  setae  %bpl
  add    %r8,%rax
  cmp    %rax,%rcx
  setae  %al
  or     %al,%bpl
  je     L32
  cmp    $0x4,%rdx
  jbe    L32
  movabs $0xcccccccccccccccd,%rbx
  mov    %rdx,%rax
  movapd %xmm14,%xmm7
  mul    %rbx
  unpcklpd %xmm7,%xmm7
  mov    %r10,%rax
  shr    $0x2,%rdx
  lea    0x1(%rdx),%rbx
  mov    %rbx,%rdx
  shr    %rdx
  lea    (%rdx,%rdx,4),%rdx
  shl    $0x4,%rdx
  add    %r10,%rdx
  nopl   0x0(%rax,%rax,1)
L168:
  movupd (%rcx),%xmm5
  movupd 0x10(%rcx),%xmm4
  add    $0x50,%rax
  add    $0x50,%rcx
  movupd -0x30(%rcx),%xmm3
  movupd -0x20(%rcx),%xmm2
  movapd %xmm5,%xmm13
  movapd %xmm4,%xmm11
  movupd -0x10(%rcx),%xmm8
  mulpd  %xmm5,%xmm13
  movapd %xmm3,%xmm10
  movapd %xmm2,%xmm6
  mulpd  %xmm4,%xmm11
  movapd %xmm8,%xmm9
  mulpd  %xmm3,%xmm10
  mulpd  %xmm2,%xmm6
  mulpd  %xmm8,%xmm9
  addsd  %xmm13,%xmm1
  unpckhpd %xmm13,%xmm13
  addsd  %xmm13,%xmm1
  movlpd %xmm9,-0x10(%rsp)
  unpckhpd %xmm9,%xmm9
  addsd  %xmm11,%xmm1
  unpckhpd %xmm11,%xmm11
  addsd  %xmm11,%xmm1
  addsd  %xmm10,%xmm1
  unpckhpd %xmm10,%xmm10
  addsd  %xmm10,%xmm1
  addsd  %xmm6,%xmm1
  unpckhpd %xmm6,%xmm6
  addsd  %xmm6,%xmm1
  movupd -0x50(%rax),%xmm6
  addsd  -0x10(%rsp),%xmm1
  mulpd  %xmm7,%xmm6
  addsd  %xmm9,%xmm1
  subpd  %xmm5,%xmm6
  movupd -0x40(%rax),%xmm5
  mulpd  %xmm7,%xmm5
  movapd %xmm6,%xmm13
  movups %xmm6,-0x50(%rax)
  mulpd  %xmm6,%xmm13
  subpd  %xmm4,%xmm5
  movupd -0x30(%rax),%xmm4
  mulpd  %xmm7,%xmm4
  addsd  %xmm13,%xmm0
  unpckhpd %xmm13,%xmm13
  movapd %xmm5,%xmm12
  movups %xmm5,-0x40(%rax)
  mulpd  %xmm5,%xmm12
  addsd  %xmm13,%xmm0
  subpd  %xmm3,%xmm4
  movupd -0x20(%rax),%xmm3
  mulpd  %xmm7,%xmm3
  addsd  %xmm12,%xmm0
  unpckhpd %xmm12,%xmm12
  movapd %xmm4,%xmm11
  movups %xmm4,-0x30(%rax)
  mulpd  %xmm4,%xmm11
  addsd  %xmm12,%xmm0
  subpd  %xmm2,%xmm3
  movupd -0x10(%rax),%xmm2
  mulpd  %xmm7,%xmm2
  addsd  %xmm11,%xmm0
  unpckhpd %xmm11,%xmm11
  movapd %xmm3,%xmm10
  movups %xmm3,-0x20(%rax)
  mulpd  %xmm3,%xmm10
  addsd  %xmm11,%xmm0
  subpd  %xmm8,%xmm2
  addsd  %xmm10,%xmm0
  unpckhpd %xmm10,%xmm10
  movapd %xmm2,%xmm8
  movups %xmm2,-0x10(%rax)
  mulpd  %xmm2,%xmm8
  addsd  %xmm10,%xmm0
  addsd  %xmm8,%xmm0
  unpckhpd %xmm8,%xmm8
  addsd  %xmm8,%xmm0
  cmp    %rax,%rdx
  jne    L168
  mov    %rbx,%rcx
  and    $0xfffffffffffffffe,%rcx
  lea    (%rcx,%rcx,4),%rax
  lea    (%rax,%r11,1),%rdx
  cmp    %rcx,%rbx
  je     L120
  movsd  (%rdi,%rdx,8),%xmm2
  lea    (%r8,%rdx,8),%rax
  add    $0x1,%rdx
  movapd %xmm2,%xmm4
  mulsd  %xmm2,%xmm4
  addsd  %xmm1,%xmm4
  movsd  (%rax),%xmm1
  mulsd  %xmm14,%xmm1
  subsd  %xmm2,%xmm1
  movsd  %xmm1,(%rax)
  mulsd  %xmm1,%xmm1
  movsd  (%rdi,%rdx,8),%xmm2
  lea    0x0(,%rdx,8),%rax
  lea    (%r8,%rax,1),%rdx
  movapd %xmm2,%xmm3
  mulsd  %xmm2,%xmm3
  addsd  %xmm0,%xmm1
  movsd  (%rdx),%xmm0
  mulsd  %xmm14,%xmm0
  addsd  %xmm4,%xmm3
  subsd  %xmm2,%xmm0
  movsd  %xmm0,(%rdx)
  mulsd  %xmm0,%xmm0
  lea    0x8(%r8,%rax,1),%rdx
  movsd  0x8(%rdi,%rax,1),%xmm2
  movapd %xmm2,%xmm4
  mulsd  %xmm2,%xmm4
  addsd  %xmm0,%xmm1
  movsd  (%rdx),%xmm0
  mulsd  %xmm14,%xmm0
  addsd  %xmm3,%xmm4
  subsd  %xmm2,%xmm0
  movsd  %xmm0,(%rdx)
  mulsd  %xmm0,%xmm0
  lea    0x10(%r8,%rax,1),%rdx
  movsd  0x10(%rdi,%rax,1),%xmm3
  movapd %xmm3,%xmm2
  mulsd  %xmm3,%xmm2
  addsd  %xmm0,%xmm1
  movsd  (%rdx),%xmm0
  mulsd  %xmm14,%xmm0
  addsd  %xmm4,%xmm2
  subsd  %xmm3,%xmm0
  movsd  %xmm0,(%rdx)
  mulsd  %xmm0,%xmm0
  movsd  0x18(%rdi,%rax,1),%xmm3
  lea    0x18(%r8,%rax,1),%rax
  addsd  %xmm1,%xmm0
  movapd %xmm3,%xmm1
  mulsd  %xmm3,%xmm1
  addsd  %xmm2,%xmm1
  movsd  (%rax),%xmm2
  mulsd  %xmm14,%xmm2
  subsd  %xmm3,%xmm2
  movsd  %xmm2,(%rax)
  mulsd  %xmm2,%xmm2
  addsd  %xmm2,%xmm0
L120:
  movsd  %xmm1,(%r9)
L236:
  pop    %rbx
  pop    %rbp
  ret
  nopl   (%rax)
L129:
  test   %r11,%r11
  jle    L185
  lea    0x8(%rsi),%rax
  cmp    %rax,%r8
  je     L20
  cmp    $0x1,%r11
  je     L20
  movapd %xmm0,%xmm2
  movupd (%r8),%xmm0
  movupd (%rsi),%xmm7
  mov    %r11,%rax
  unpcklpd %xmm2,%xmm2
  shr    %rax
  mulpd  %xmm2,%xmm0
  subpd  %xmm7,%xmm0
  movapd %xmm0,%xmm1
  movups %xmm0,(%r8)
  mulpd  %xmm0,%xmm1
  pxor   %xmm0,%xmm0
  addsd  %xmm1,%xmm0
  unpckhpd %xmm1,%xmm1
  addsd  %xmm1,%xmm0
  cmp    $0x2,%rax
  jne    L180
  movupd 0x10(%r8),%xmm1
  movupd 0x10(%rsi),%xmm7
  mulpd  %xmm2,%xmm1
  subpd  %xmm7,%xmm1
  movups %xmm1,0x10(%r8)
  mulpd  %xmm1,%xmm1
  movapd %xmm1,%xmm2
  unpckhpd %xmm1,%xmm1
  addsd  %xmm0,%xmm2
  addsd  %xmm2,%xmm1
  movapd %xmm1,%xmm0
  nopl   (%rax)
L72:
  cmp    %r11,%rbx
  jle    L236
  lea    0x50(,%r11,8),%rdx
  lea    0x0(,%r11,8),%r9
  lea    (%r8,%rdx,1),%r10
  lea    (%r8,%r9,1),%rcx
  add    %rdi,%r9
  lea    -0x1(%rbx),%rax
  sub    %r11,%rax
  cmp    %r10,%r9
  setae  %r10b
  add    %rdi,%rdx
  cmp    %rdx,%rcx
  setae  %dl
  or     %dl,%r10b
  je     L1
  cmp    $0x4,%rax
  jbe    L1
  movabs $0xcccccccccccccccd,%rdx
  movapd %xmm14,%xmm6
  mul    %rdx
  mov    %rcx,%rax
  unpcklpd %xmm6,%xmm6
  shr    $0x2,%rdx
  lea    0x1(%rdx),%r10
  mov    %r9,%rdx
  mov    %r10,%rcx
  shr    %rcx
  lea    (%rcx,%rcx,4),%rcx
  shl    $0x4,%rcx
  add    %rax,%rcx
  nopl   0x0(%rax,%rax,1)
L216:
  movupd (%rax),%xmm8
  movupd (%rdx),%xmm7
  add    $0x50,%rax
  add    $0x50,%rdx
  movupd -0x40(%rax),%xmm5
  movupd -0x30(%rax),%xmm4
  mulpd  %xmm6,%xmm8
  movupd -0x20(%rax),%xmm3
  movupd -0x10(%rax),%xmm2
  mulpd  %xmm6,%xmm5
  mulpd  %xmm6,%xmm4
  mulpd  %xmm6,%xmm3
  mulpd  %xmm6,%xmm2
  subpd  %xmm7,%xmm8
  movupd -0x40(%rdx),%xmm7
  subpd  %xmm7,%xmm5
  movupd -0x30(%rdx),%xmm7
  movapd %xmm8,%xmm12
  mulpd  %xmm8,%xmm12
  subpd  %xmm7,%xmm4
  movupd -0x20(%rdx),%xmm7
  movapd %xmm5,%xmm11
  mulpd  %xmm5,%xmm11
  subpd  %xmm7,%xmm3
  movupd -0x10(%rdx),%xmm7
  movups %xmm8,-0x50(%rax)
  movapd %xmm4,%xmm10
  movups %xmm5,-0x40(%rax)
  mulpd  %xmm4,%xmm10
  subpd  %xmm7,%xmm2
  movups %xmm4,-0x30(%rax)
  addsd  %xmm12,%xmm0
  unpckhpd %xmm12,%xmm12
  movapd %xmm3,%xmm9
  movups %xmm3,-0x20(%rax)
  mulpd  %xmm3,%xmm9
  movapd %xmm2,%xmm7
  movups %xmm2,-0x10(%rax)
  addsd  %xmm12,%xmm0
  mulpd  %xmm2,%xmm7
  addsd  %xmm11,%xmm0
  unpckhpd %xmm11,%xmm11
  addsd  %xmm11,%xmm0
  addsd  %xmm10,%xmm0
  unpckhpd %xmm10,%xmm10
  addsd  %xmm10,%xmm0
  addsd  %xmm9,%xmm0
  unpckhpd %xmm9,%xmm9
  addsd  %xmm9,%xmm0
  addsd  %xmm7,%xmm0
  unpckhpd %xmm7,%xmm7
  addsd  %xmm7,%xmm0
  cmp    %rcx,%rax
  jne    L216
  mov    %r10,%rdx
  and    $0xfffffffffffffffe,%rdx
  lea    (%rdx,%rdx,4),%rax
  add    %r11,%rax
  cmp    %rdx,%r10
  je     L236
  lea    (%r8,%rax,8),%rdx
  movsd  (%rdx),%xmm1
  mulsd  %xmm14,%xmm1
  subsd  (%rdi,%rax,8),%xmm1
  movsd  %xmm1,(%rdx)
  mulsd  %xmm1,%xmm1
  lea    0x1(%rax),%rdx
  lea    0x0(,%rdx,8),%rax
  lea    (%r8,%rax,1),%rcx
  addsd  %xmm0,%xmm1
  movsd  (%rcx),%xmm0
  mulsd  %xmm14,%xmm0
  subsd  (%rdi,%rdx,8),%xmm0
  lea    0x8(%r8,%rax,1),%rdx
  movsd  %xmm0,(%rcx)
  mulsd  %xmm0,%xmm0
  addsd  %xmm0,%xmm1
  movsd  (%rdx),%xmm0
  mulsd  %xmm14,%xmm0
  subsd  0x8(%rdi,%rax,1),%xmm0
  movsd  %xmm0,(%rdx)
  mulsd  %xmm0,%xmm0
  lea    0x10(%r8,%rax,1),%rdx
  addsd  %xmm0,%xmm1
  movsd  (%rdx),%xmm0
  mulsd  %xmm14,%xmm0
  subsd  0x10(%rdi,%rax,1),%xmm0
  movsd  %xmm0,(%rdx)
  mulsd  %xmm0,%xmm0
  lea    0x18(%r8,%rax,1),%rdx
  addsd  %xmm1,%xmm0
  movsd  (%rdx),%xmm1
  mulsd  %xmm14,%xmm1
  subsd  0x18(%rdi,%rax,1),%xmm1
  movsd  %xmm1,(%rdx)
  mulsd  %xmm1,%xmm1
  pop    %rbx
  pop    %rbp
  addsd  %xmm1,%xmm0
  ret
  nopl   0x0(%rax,%rax,1)
L355:
  cmp    $0x2,%r11
  je     L25
  movsd  0x10(%rsi),%xmm3
  movapd %xmm3,%xmm2
  mulsd  %xmm3,%xmm2
  addsd  %xmm2,%xmm1
  movsd  0x10(%r8),%xmm2
  mulsd  %xmm14,%xmm2
  subsd  %xmm3,%xmm2
  movsd  %xmm2,0x10(%r8)
  mulsd  %xmm2,%xmm2
  addsd  %xmm2,%xmm0
  jmp    L25
  nopl   (%rax)
L77:
  movsd  (%r8),%xmm0
  movsd  (%rdi),%xmm2
  pxor   %xmm3,%xmm3
  mulsd  %xmm14,%xmm0
  movapd %xmm2,%xmm1
  mulsd  %xmm2,%xmm1
  subsd  %xmm2,%xmm0
  addsd  %xmm3,%xmm1
  movsd  %xmm0,(%r8)
  mulsd  %xmm0,%xmm0
  addsd  %xmm3,%xmm0
  cmp    $0x1,%r11
  je     L25
  movsd  0x8(%rdi),%xmm3
  movapd %xmm3,%xmm2
  mulsd  %xmm3,%xmm2
  addsd  %xmm2,%xmm1
  movsd  0x8(%r8),%xmm2
  mulsd  %xmm14,%xmm2
  subsd  %xmm3,%xmm2
  movsd  %xmm2,0x8(%r8)
  mulsd  %xmm2,%xmm2
  addsd  %xmm2,%xmm0
  cmp    $0x2,%r11
  je     L25
  movsd  0x10(%rdi),%xmm3
  movapd %xmm3,%xmm2
  mulsd  %xmm3,%xmm2
  addsd  %xmm2,%xmm1
  movsd  0x10(%r8),%xmm2
  mulsd  %xmm14,%xmm2
  subsd  %xmm3,%xmm2
  movsd  %xmm2,0x10(%r8)
  mulsd  %xmm2,%xmm2
  addsd  %xmm2,%xmm0
  cmp    $0x4,%r11
  jne    L25
  movsd  0x18(%rdi),%xmm3
  movapd %xmm3,%xmm2
  mulsd  %xmm3,%xmm2
  addsd  %xmm2,%xmm1
  movsd  0x18(%r8),%xmm2
  mulsd  %xmm14,%xmm2
  subsd  %xmm3,%xmm2
  movsd  %xmm2,0x18(%r8)
  mulsd  %xmm2,%xmm2
  addsd  %xmm2,%xmm0
  jmp    L25
  nopl   0x0(%rax)
L278:
  pxor   %xmm1,%xmm1
  xor    %r11d,%r11d
  movapd %xmm1,%xmm0
  jmp    L25
L180:
  cmp    $0x2,%r11
  je     L72
  movsd  0x10(%r8),%xmm1
  mulsd  %xmm14,%xmm1
  subsd  0x10(%rsi),%xmm1
  movsd  %xmm1,0x10(%r8)
  mulsd  %xmm1,%xmm1
  addsd  %xmm1,%xmm0
  jmp    L72
  nopl   (%rax)
L32:
  mov    %r10,%rax
  nopl   0x0(%rax,%rax,1)
L137:
  movsd  (%rdi,%r11,8),%xmm2
  add    $0x28,%rax
  movapd %xmm2,%xmm3
  mulsd  %xmm2,%xmm3
  addsd  %xmm1,%xmm3
  movsd  -0x28(%rax),%xmm1
  mulsd  %xmm14,%xmm1
  subsd  %xmm2,%xmm1
  movsd  %xmm1,-0x28(%rax)
  mulsd  %xmm1,%xmm1
  movsd  0x8(%rdi,%r11,8),%xmm2
  movapd %xmm2,%xmm4
  mulsd  %xmm2,%xmm4
  addsd  %xmm0,%xmm1
  movsd  -0x20(%rax),%xmm0
  mulsd  %xmm14,%xmm0
  addsd  %xmm3,%xmm4
  subsd  %xmm2,%xmm0
  movsd  %xmm0,-0x20(%rax)
  mulsd  %xmm0,%xmm0
  movsd  0x10(%rdi,%r11,8),%xmm2
  movapd %xmm2,%xmm3
  mulsd  %xmm2,%xmm3
  addsd  %xmm0,%xmm1
  movsd  -0x18(%rax),%xmm0
  mulsd  %xmm14,%xmm0
  addsd  %xmm4,%xmm3
  subsd  %xmm2,%xmm0
  movsd  %xmm0,-0x18(%rax)
  mulsd  %xmm0,%xmm0
  movsd  0x18(%rdi,%r11,8),%xmm2
  movapd %xmm2,%xmm4
  mulsd  %xmm2,%xmm4
  addsd  %xmm0,%xmm1
  movsd  -0x10(%rax),%xmm0
  mulsd  %xmm14,%xmm0
  addsd  %xmm3,%xmm4
  subsd  %xmm2,%xmm0
  movsd  %xmm0,-0x10(%rax)
  mulsd  %xmm0,%xmm0
  movsd  0x20(%rdi,%r11,8),%xmm3
  add    $0x5,%r11
  movapd %xmm0,%xmm2
  movsd  -0x8(%rax),%xmm0
  addsd  %xmm1,%xmm2
  movapd %xmm3,%xmm1
  mulsd  %xmm14,%xmm0
  mulsd  %xmm3,%xmm1
  subsd  %xmm3,%xmm0
  addsd  %xmm4,%xmm1
  movsd  %xmm0,-0x8(%rax)
  mulsd  %xmm0,%xmm0
  addsd  %xmm2,%xmm0
  cmp    %r11,%rbx
  jg     L137
  jmp    L120
L185:
  pxor   %xmm0,%xmm0
  xor    %r11d,%r11d
  jmp    L72
L1:
  mov    %rcx,%rax
  cs nopw 0x0(%rax,%rax,1)
L142:
  movsd  (%rax),%xmm1
  add    $0x28,%rax
  mulsd  %xmm14,%xmm1
  subsd  (%rdi,%r11,8),%xmm1
  movsd  %xmm1,-0x28(%rax)
  mulsd  %xmm1,%xmm1
  addsd  %xmm0,%xmm1
  movsd  -0x20(%rax),%xmm0
  mulsd  %xmm14,%xmm0
  subsd  0x8(%rdi,%r11,8),%xmm0
  movsd  %xmm0,-0x20(%rax)
  mulsd  %xmm0,%xmm0
  addsd  %xmm0,%xmm1
  movsd  -0x18(%rax),%xmm0
  mulsd  %xmm14,%xmm0
  subsd  0x10(%rdi,%r11,8),%xmm0
  movsd  %xmm0,-0x18(%rax)
  mulsd  %xmm0,%xmm0
  addsd  %xmm0,%xmm1
  movsd  -0x10(%rax),%xmm0
  mulsd  %xmm14,%xmm0
  subsd  0x18(%rdi,%r11,8),%xmm0
  movsd  %xmm0,-0x10(%rax)
  mulsd  %xmm0,%xmm0
  addsd  %xmm0,%xmm1
  movsd  -0x8(%rax),%xmm0
  mulsd  %xmm14,%xmm0
  subsd  0x20(%rdi,%r11,8),%xmm0
  add    $0x5,%r11
  movsd  %xmm0,-0x8(%rax)
  mulsd  %xmm0,%xmm0
  addsd  %xmm1,%xmm0
  cmp    %r11,%rbx
  jg     L142
  jmp    L236
L20:
  movsd  (%r8),%xmm0
  mulsd  %xmm14,%xmm0
  subsd  (%rdi),%xmm0
  movsd  %xmm0,(%r8)
  mulsd  %xmm0,%xmm0
  addsd  D7(%rip),%xmm0
  cmp    $0x1,%r11
  je     L72
  movsd  0x8(%r8),%xmm1
  mulsd  %xmm14,%xmm1
  subsd  0x8(%rdi),%xmm1
  movsd  %xmm1,0x8(%r8)
  mulsd  %xmm1,%xmm1
  addsd  %xmm1,%xmm0
  cmp    $0x2,%r11
  je     L72
  movsd  0x10(%r8),%xmm1
  mulsd  %xmm14,%xmm1
  subsd  0x10(%rdi),%xmm1
  movsd  %xmm1,0x10(%r8)
  mulsd  %xmm1,%xmm1
  addsd  %xmm1,%xmm0
  cmp    $0x4,%r11
  jne    L72
  movsd  0x18(%r8),%xmm1
  mulsd  %xmm14,%xmm1
  subsd  0x18(%rdi),%xmm1
  movsd  %xmm1,0x18(%r8)
  mulsd  %xmm1,%xmm1
  addsd  %xmm1,%xmm0
  jmp    L72
```

tool_calls: name: read_data
arguments: tag: D7
data_type: byte[8]

tool: {"D7": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

assistant: ```c
double cg_update_d(double *d, double *g, double beta, double *gnorm2, long int n) {
  long int i, n5;
  double dnorm2, s, t;
  s = ((double)0);
  dnorm2 = ((double)0);
  n5 = n % 5;
  if (gnorm2 == 0) {
    for (i = 0; i < n5; i++) {
      t = g[i];
      t = -t + beta * d[i];
      d[i] = t;
      dnorm2 += t * t;
    }
    for (; i < n;) {
      t = g[i];
      t = -t + beta * d[i];
      d[i] = t;
      dnorm2 += t * t;
      i++;
      t = g[i];
      t = -t + beta * d[i];
      d[i] = t;
      dnorm2 += t * t;
      i++;
      t = g[i];
      t = -t + beta * d[i];
      d[i] = t;
      dnorm2 += t * t;
      i++;
      t = g[i];
      t = -t + beta * d[i];
      d[i] = t;
      dnorm2 += t * t;
      i++;
      t = g[i];
      t = -t + beta * d[i];
      d[i] = t;
      dnorm2 += t * t;
      i++;
    }
  } else {
    s = ((double)0);
    for (i = 0; i < n5; i++) {
      t = g[i];
      s += t * t;
      t = -t + beta * d[i];
      d[i] = t;
      dnorm2 += t * t;
    }
    for (; i < n;) {
      t = g[i];
      s += t * t;
      t = -t + beta * d[i];
      d[i] = t;
      dnorm2 += t * t;
      i++;
      t = g[i];
      s += t * t;
      t = -t + beta * d[i];
      d[i] = t;
      dnorm2 += t * t;
      i++;
      t = g[i];
      s += t * t;
      t = -t + beta * d[i];
      d[i] = t;
      dnorm2 += t * t;
      i++;
      t = g[i];
      s += t * t;
      t = -t + beta * d[i];
      d[i] = t;
      dnorm2 += t * t;
      i++;
      t = g[i];
      s += t * t;
      t = -t + beta * d[i];
      d[i] = t;
      dnorm2 += t * t;
      i++;
    }
    *gnorm2 = s;
  }
  return (dnorm2);
}
```