user: 下面的汇编指令对应的C源代码是什么：

```asm
<gsw_sa_from_rho>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  add    $0xffffffffffffff80,%rsp
  movsd  %xmm0,-0x68(%rbp)
  movsd  %xmm1,-0x70(%rbp)
  movsd  %xmm2,-0x78(%rbp)
  movsd  D82(%rip),%xmm0
  divsd  -0x68(%rbp),%xmm0
  movsd  %xmm0,-0x40(%rbp)
  movsd  -0x78(%rbp),%xmm1
  movsd  -0x70(%rbp),%xmm0
  movapd %xmm1,%xmm2
  movapd %xmm0,%xmm1
  mov    D79(%rip),%rax
  movq   %rax,%xmm0
  call   <gsw_specvol@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x38(%rbp)
  movsd  -0x78(%rbp),%xmm1
  movsd  -0x70(%rbp),%xmm0
  mov    D72(%rip),%rax
  movapd %xmm1,%xmm2
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  call   <gsw_specvol@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x30(%rbp)
  movsd  -0x40(%rbp),%xmm0
  movapd %xmm0,%xmm1
  subsd  -0x38(%rbp),%xmm1
  movsd  D72(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  -0x30(%rbp),%xmm1
  subsd  -0x38(%rbp),%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x50(%rbp)
  pxor   %xmm0,%xmm0
  comisd -0x50(%rbp),%xmm0
  ja     L14
  movsd  -0x50(%rbp),%xmm0
  comisd D72(%rip),%xmm0
  jbe    L36
L14:
  movsd  D15(%rip),%xmm0
  movsd  %xmm0,-0x50(%rbp)
L36:
  movsd  -0x30(%rbp),%xmm0
  subsd  -0x38(%rbp),%xmm0
  movsd  D72(%rip),%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x48(%rbp)
  movl   $0x1,-0x54(%rbp)
  jmp    L5
L6:
  movsd  -0x50(%rbp),%xmm0
  movsd  %xmm0,-0x28(%rbp)
  movsd  -0x78(%rbp),%xmm1
  movsd  -0x70(%rbp),%xmm0
  mov    -0x28(%rbp),%rax
  movapd %xmm1,%xmm2
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  call   <gsw_specvol@plt>
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  subsd  -0x40(%rbp),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movsd  -0x20(%rbp),%xmm0
  movapd %xmm0,%xmm1
  divsd  -0x48(%rbp),%xmm1
  movsd  -0x28(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x50(%rbp)
  movsd  -0x50(%rbp),%xmm0
  movapd %xmm0,%xmm1
  addsd  -0x28(%rbp),%xmm1
  movsd  D74(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  movsd  -0x78(%rbp),%xmm1
  movsd  -0x70(%rbp),%xmm0
  mov    -0x18(%rbp),%rax
  movapd %xmm1,%xmm2
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  call   <gsw_alpha@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x10(%rbp)
  movsd  -0x78(%rbp),%xmm1
  movsd  -0x70(%rbp),%xmm0
  mov    -0x18(%rbp),%rax
  movapd %xmm1,%xmm2
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  call   <gsw_beta@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x8(%rbp)
  movsd  -0x8(%rbp),%xmm0
  movq   D66(%rip),%xmm1
  xorpd  %xmm1,%xmm0
  divsd  -0x68(%rbp),%xmm0
  movsd  %xmm0,-0x48(%rbp)
  movsd  -0x20(%rbp),%xmm0
  movapd %xmm0,%xmm1
  divsd  -0x48(%rbp),%xmm1
  movsd  -0x28(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x50(%rbp)
  pxor   %xmm0,%xmm0
  comisd -0x50(%rbp),%xmm0
  ja     L19
  movsd  -0x50(%rbp),%xmm0
  comisd D72(%rip),%xmm0
  jbe    L37
L19:
  movsd  D15(%rip),%xmm0
  movsd  %xmm0,-0x50(%rbp)
L37:
  addl   $0x1,-0x54(%rbp)
L5:
  cmpl   $0x2,-0x54(%rbp)
  jle    L6
  movsd  -0x50(%rbp),%xmm0
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D82
data_type: f64
name: parse_data
arguments: data_tag: D79
data_type: f64
name: parse_data
arguments: data_tag: D72
data_type: f64[2]
name: parse_data
arguments: data_tag: D15
data_type: f64
name: parse_data
arguments: data_tag: D74
data_type: f64
name: parse_data
arguments: data_tag: D66
data_type: byte[8]

tool: D82: 1

tool: D79: 0

tool: {"D72": [50.0,9000000000000000.0]}

tool: D15: 9000000000000000.0

tool: D74: 0.5

tool: {"D66": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80]}

assistant: ```c
double gsw_sa_from_rho(double rho, double ct, double p) {
  int no_iter;
  double sa, v_lab, v_0, v_50, v_sa, sa_old, delta_v, sa_mean, alpha, beta;
  v_lab = 1e0 / rho;
  v_0 = gsw_specvol(0e0, ct, p);
  v_50 = gsw_specvol(50e0, ct, p);
  sa = 50e0 * (v_lab - v_0) / (v_50 - v_0);
  if (sa < 0e0 || sa > 50e0)
    sa = 9e15;
  v_sa = (v_50 - v_0) / 50e0;
  for (no_iter = 1; no_iter <= 2; no_iter++) {
    sa_old = sa;
    delta_v = gsw_specvol(sa_old, ct, p) - v_lab;
    sa = sa_old - delta_v / v_sa;
    sa_mean = 0.5e0 * (sa + sa_old);
    alpha = gsw_alpha(sa_mean, ct, p);
    beta = gsw_beta(sa_mean, ct, p);
    v_sa = -beta / rho;
    sa = sa_old - delta_v / v_sa;
    if (sa < 0e0 || sa > 50e0)
      sa = 9e15;
  }
  return (sa);
}
```