user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<WebRtcPcm16b_Decode>:
  endbr64
  mov    %esi,%r8d
  mov    %rdi,%rcx
  mov    %rdx,%rsi
  sar    %r8d
  test   %r8d,%r8d
  jle    L191
  movslq %r8d,%rdx
  lea    (%rdi,%rdx,2),%rax
  lea    (%rsi,%rdx,4),%rdx
  cmp    %rax,%rsi
  setae  %al
  cmp    %rdx,%rdi
  setae  %dl
  or     %dl,%al
  je     L13
  lea    -0x1(%r8),%eax
  cmp    $0xe,%eax
  jbe    L13
  mov    %rdi,%rdx
  mov    %r8d,%edi
  pxor   %xmm4,%xmm4
  mov    %rsi,%rax
  shr    $0x4,%edi
  movdqa D0(%rip),%xmm5
  pxor   %xmm3,%xmm3
  sub    $0x1,%edi
  shl    $0x5,%rdi
  lea    0x20(%rcx,%rdi,1),%rdi
  nopl   (%rax)
L61:
  movdqu (%rdx),%xmm0
  movdqu 0x10(%rdx),%xmm1
  add    $0x20,%rdx
  add    $0x40,%rax
  movdqu -0x10(%rdx),%xmm2
  pand   %xmm5,%xmm1
  pand   %xmm5,%xmm0
  packuswb %xmm1,%xmm0
  movdqu -0x20(%rdx),%xmm1
  psrlw  $0x8,%xmm2
  psrlw  $0x8,%xmm1
  packuswb %xmm2,%xmm1
  movdqa %xmm0,%xmm2
  punpckhbw %xmm4,%xmm0
  movdqa %xmm1,%xmm6
  punpcklbw %xmm4,%xmm2
  punpckhbw %xmm4,%xmm1
  psllw  $0x8,%xmm2
  psllw  $0x8,%xmm0
  punpcklbw %xmm4,%xmm6
  por    %xmm6,%xmm2
  por    %xmm1,%xmm0
  movdqa %xmm2,%xmm1
  punpckhwd %xmm3,%xmm2
  punpcklwd %xmm3,%xmm1
  movups %xmm2,-0x30(%rax)
  movups %xmm1,-0x40(%rax)
  movdqa %xmm0,%xmm1
  punpckhwd %xmm3,%xmm0
  punpcklwd %xmm3,%xmm1
  movups %xmm0,-0x10(%rax)
  movups %xmm1,-0x20(%rax)
  cmp    %rdi,%rdx
  jne    L61
  mov    %r8d,%eax
  and    $0xfffffff0,%eax
  test   $0xf,%r8b
  je     L191
  lea    (%rax,%rax,1),%edx
  mov    %eax,%r11d
  movslq %edx,%r9
  lea    0x0(,%r11,4),%rdi
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,(%rsi,%r11,4)
  lea    0x1(%rax),%r9d
  cmp    %r9d,%r8d
  jle    L191
  lea    0x2(%rdx),%r9d
  movslq %r9d,%r9
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,0x4(%rsi,%rdi,1)
  lea    0x2(%rax),%r9d
  cmp    %r9d,%r8d
  jle    L191
  lea    0x4(%rdx),%r9d
  movslq %r9d,%r9
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,0x8(%rsi,%rdi,1)
  lea    0x3(%rax),%r9d
  cmp    %r9d,%r8d
  jle    L191
  lea    0x6(%rdx),%r9d
  movslq %r9d,%r9
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,0xc(%rsi,%rdi,1)
  lea    0x4(%rax),%r9d
  cmp    %r9d,%r8d
  jle    L191
  lea    0x8(%rdx),%r9d
  movslq %r9d,%r9
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,0x10(%rsi,%rdi,1)
  lea    0x5(%rax),%r9d
  cmp    %r9d,%r8d
  jle    L191
  lea    0xa(%rdx),%r9d
  movslq %r9d,%r9
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,0x14(%rsi,%rdi,1)
  lea    0x6(%rax),%r9d
  cmp    %r9d,%r8d
  jle    L191
  lea    0xc(%rdx),%r9d
  movslq %r9d,%r9
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,0x18(%rsi,%rdi,1)
  lea    0x7(%rax),%r9d
  cmp    %r9d,%r8d
  jle    L191
  lea    0xe(%rdx),%r9d
  movslq %r9d,%r9
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,0x1c(%rsi,%rdi,1)
  lea    0x8(%rax),%r9d
  cmp    %r9d,%r8d
  jle    L191
  lea    0x10(%rdx),%r9d
  movslq %r9d,%r9
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,0x20(%rsi,%rdi,1)
  lea    0x9(%rax),%r9d
  cmp    %r9d,%r8d
  jle    L191
  lea    0x12(%rdx),%r9d
  movslq %r9d,%r9
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,0x24(%rsi,%rdi,1)
  lea    0xa(%rax),%r9d
  cmp    %r9d,%r8d
  jle    L191
  lea    0x14(%rdx),%r9d
  movslq %r9d,%r9
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,0x28(%rsi,%rdi,1)
  lea    0xb(%rax),%r9d
  cmp    %r9d,%r8d
  jle    L191
  lea    0x16(%rdx),%r9d
  movslq %r9d,%r9
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,0x2c(%rsi,%rdi,1)
  lea    0xc(%rax),%r9d
  cmp    %r9d,%r8d
  jle    L191
  lea    0x18(%rdx),%r9d
  movslq %r9d,%r9
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,0x30(%rsi,%rdi,1)
  lea    0xd(%rax),%r9d
  cmp    %r9d,%r8d
  jle    L191
  lea    0x1a(%rdx),%r9d
  add    $0xe,%eax
  movslq %r9d,%r9
  movzbl (%rcx,%r9,1),%r10d
  movzbl 0x1(%rcx,%r9,1),%r9d
  shl    $0x8,%r10d
  or     %r10d,%r9d
  mov    %r9d,0x34(%rsi,%rdi,1)
  cmp    %eax,%r8d
  jle    L191
  lea    0x1c(%rdx),%eax
  cltq
  movzbl (%rcx,%rax,1),%edx
  movzbl 0x1(%rcx,%rax,1),%eax
  shl    $0x8,%edx
  or     %edx,%eax
  mov    %eax,0x38(%rsi,%rdi,1)
L191:
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax)
L13:
  mov    %r8d,%r9d
  xor    %eax,%eax
  nopl   (%rax)
L161:
  movzbl (%rcx,%rax,2),%edi
  movzbl 0x1(%rcx,%rax,2),%edx
  shl    $0x8,%edi
  or     %edi,%edx
  mov    %edx,(%rsi,%rax,4)
  add    $0x1,%rax
  cmp    %rax,%r9
  jne    L161
  mov    %r8d,%eax
  ret
```

tool_calls: name: read_data
arguments: tag: D0
data_type: byte[16]

tool: {"D0": [0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00]}

assistant: ```c
int16_t WebRtcPcm16b_Decode(unsigned char *speech8b, int16_t len, int16_t *speech16b) {
  int16_t samples = len >> 1;
  int16_t pos;
  int16_t shortval;
  for (pos = 0; pos < samples; pos++) {
    shortval = ((unsigned short)speech8b[pos * 2]);
    shortval = (shortval << 8) & 0xFF00;
    shortval = shortval | (((unsigned short)speech8b[pos * 2 + 1]) & 0xFF);
    speech16b[pos] = shortval;
  }
  return (samples);
}
```