#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
double sqrt(double);
double gsw_alpha(double sa, double ct, double p) {
  double v01 = 9.998420897506056e+2, v02 = 2.839940833161907e0,
         v03 = -3.147759265588511e-2, v04 = 1.181805545074306e-3,
         v05 = -6.698001071123802e0, v06 = -2.986498947203215e-2,
         v07 = 2.327859407479162e-4, v08 = -3.988822378968490e-2,
         v09 = 5.095422573880500e-4, v10 = -1.426984671633621e-5,
         v11 = 1.645039373682922e-7, v12 = -2.233269627352527e-2,
         v13 = -3.436090079851880e-4, v14 = 3.726050720345733e-6,
         v15 = -1.806789763745328e-4, v16 = 6.876837219536232e-7,
         v17 = -3.087032500374211e-7, v18 = -1.988366587925593e-8,
         v19 = -1.061519070296458e-11, v20 = 1.550932729220080e-10, v21 = 1.0e0,
         v22 = 2.775927747785646e-3, v23 = -2.349607444135925e-5,
         v24 = 1.119513357486743e-6, v25 = 6.743689325042773e-10,
         v26 = -7.521448093615448e-3, v27 = -2.764306979894411e-5,
         v28 = 1.262937315098546e-7, v29 = 9.527875081696435e-10,
         v30 = -1.811147201949891e-11, v31 = -3.303308871386421e-5,
         v32 = 3.801564588876298e-7, v33 = -7.672876869259043e-9,
         v34 = -4.634182341116144e-11, v35 = 2.681097235569143e-12,
         v36 = 5.419326551148740e-6, v37 = -2.742185394906099e-5,
         v38 = -3.212746477974189e-7, v39 = 3.191413910561627e-9,
         v40 = -1.931012931541776e-12, v41 = -1.105097577149576e-7,
         v42 = 6.211426728363857e-10, v43 = -1.119011592875110e-10,
         v44 = -1.941660213148725e-11, v45 = -1.864826425365600e-14,
         v46 = 1.119522344879478e-14, v47 = -1.200507748551599e-15,
         v48 = 6.057902487546866e-17, a01 = 2.839940833161907e0,
         a02 = -6.295518531177023e-2, a03 = 3.545416635222918e-3,
         a04 = -2.986498947203215e-2, a05 = 4.655718814958324e-4,
         a06 = 5.095422573880500e-4, a07 = -2.853969343267241e-5,
         a08 = 4.935118121048767e-7, a09 = -3.436090079851880e-4,
         a10 = 7.452101440691467e-6, a11 = 6.876837219536232e-7,
         a12 = -1.988366587925593e-8, a13 = -2.123038140592916e-11,
         a14 = 2.775927747785646e-3, a15 = -4.699214888271850e-5,
         a16 = 3.358540072460230e-6, a17 = 2.697475730017109e-9,
         a18 = -2.764306979894411e-5, a19 = 2.525874630197091e-7,
         a20 = 2.858362524508931e-9, a21 = -7.244588807799565e-11,
         a22 = 3.801564588876298e-7, a23 = -1.534575373851809e-8,
         a24 = -1.390254702334843e-10, a25 = 1.072438894227657e-11,
         a26 = -3.212746477974189e-7, a27 = 6.382827821123254e-9,
         a28 = -5.793038794625329e-12, a29 = 6.211426728363857e-10,
         a30 = -1.941660213148725e-11, a31 = -3.729652850731201e-14,
         a32 = 1.119522344879478e-14, a33 = 6.057902487546866e-17;
  double sqrtsa, v_hat_denominator, v_hat_numerator;
  double dvhatden_dct, dvhatnum_dct;
  sqrtsa = sqrt(sa);
  v_hat_denominator =
      v01 + ct * (v02 + ct * (v03 + v04 * ct)) +
      sa * (v05 + ct * (v06 + v07 * ct) +
            sqrtsa * (v08 + ct * (v09 + ct * (v10 + v11 * ct)))) +
      p * (v12 + ct * (v13 + v14 * ct) + sa * (v15 + v16 * ct) +
           p * (v17 + ct * (v18 + v19 * ct) + v20 * sa));
  v_hat_numerator =
      v21 + ct * (v22 + ct * (v23 + ct * (v24 + v25 * ct))) +
      sa * (v26 + ct * (v27 + ct * (v28 + ct * (v29 + v30 * ct))) + v36 * sa +
            sqrtsa * (v31 + ct * (v32 + ct * (v33 + ct * (v34 + v35 * ct))))) +
      p * (v37 + ct * (v38 + ct * (v39 + v40 * ct)) + sa * (v41 + v42 * ct) +
           p * (v43 + ct * (v44 + v45 * ct + v46 * sa) + p * (v47 + v48 * ct)));
  dvhatden_dct =
      a01 + ct * (a02 + a03 * ct) +
      sa * (a04 + a05 * ct + sqrtsa * (a06 + ct * (a07 + a08 * ct))) +
      p * (a09 + a10 * ct + a11 * sa + p * (a12 + a13 * ct));
  dvhatnum_dct = a14 + ct * (a15 + ct * (a16 + a17 * ct)) +
                 sa * (a18 + ct * (a19 + ct * (a20 + a21 * ct)) +
                       sqrtsa * (a22 + ct * (a23 + ct * (a24 + a25 * ct)))) +
                 p * (a26 + ct * (a27 + a28 * ct) + a29 * sa +
                      p * (a30 + a31 * ct + a32 * sa + a33 * p));
  return ((v_hat_denominator * dvhatnum_dct - v_hat_numerator * dvhatden_dct) /
          (v_hat_numerator * v_hat_denominator));
}


x86 assembly (clang, -O0):
<gsw_alpha>:
push   %rbp
mov    %rsp,%rbp
sub    $0x2d0,%rsp
movsd  %xmm0,-0x8(%rbp)
movsd  %xmm1,-0x10(%rbp)
movsd  %xmm2,-0x18(%rbp)
movsd  0x10de(%rip),%xmm0
movsd  %xmm0,-0x20(%rbp)
movsd  0xfc1(%rip),%xmm0
movsd  %xmm0,-0x28(%rbp)
movsd  0x10bc(%rip),%xmm0
movsd  %xmm0,-0x30(%rbp)
movsd  0x10a7(%rip),%xmm0
movsd  %xmm0,-0x38(%rbp)
movsd  0x1092(%rip),%xmm0
movsd  %xmm0,-0x40(%rbp)
movsd  0xf75(%rip),%xmm0
movsd  %xmm0,-0x48(%rbp)
movsd  0x1070(%rip),%xmm0
movsd  %xmm0,-0x50(%rbp)
movsd  0x105b(%rip),%xmm0
movsd  %xmm0,-0x58(%rbp)
movsd  0xf3e(%rip),%xmm0
movsd  %xmm0,-0x60(%rbp)
movsd  0x1039(%rip),%xmm0
movsd  %xmm0,-0x68(%rbp)
movsd  0x1024(%rip),%xmm0
movsd  %xmm0,-0x70(%rbp)
movsd  0x100f(%rip),%xmm0
movsd  %xmm0,-0x78(%rbp)
movsd  0xef2(%rip),%xmm0
movsd  %xmm0,-0x80(%rbp)
movsd  0xfed(%rip),%xmm0
movsd  %xmm0,-0x88(%rbp)
ff
movsd  0xfd5(%rip),%xmm0
movsd  %xmm0,-0x90(%rbp)
ff
movsd  0xeb5(%rip),%xmm0
movsd  %xmm0,-0x98(%rbp)
ff
movsd  0xfad(%rip),%xmm0
movsd  %xmm0,-0xa0(%rbp)
ff
movsd  0xe8d(%rip),%xmm0
movsd  %xmm0,-0xa8(%rbp)
ff
movsd  0xf85(%rip),%xmm0
movsd  %xmm0,-0xb0(%rbp)
ff
movsd  0xf6d(%rip),%xmm0
movsd  %xmm0,-0xb8(%rbp)
ff
movsd  0xf55(%rip),%xmm0
movsd  %xmm0,-0xc0(%rbp)
ff
movsd  0xe3d(%rip),%xmm0
movsd  %xmm0,-0xc8(%rbp)
ff
movsd  0xf2d(%rip),%xmm0
movsd  %xmm0,-0xd0(%rbp)
ff
movsd  0xf15(%rip),%xmm0
movsd  %xmm0,-0xd8(%rbp)
ff
movsd  0xefd(%rip),%xmm0
movsd  %xmm0,-0xe0(%rbp)
ff
movsd  0xee5(%rip),%xmm0
movsd  %xmm0,-0xe8(%rbp)
ff
movsd  0xdcd(%rip),%xmm0
movsd  %xmm0,-0xf0(%rbp)
ff
movsd  0xebd(%rip),%xmm0
movsd  %xmm0,-0xf8(%rbp)
ff
movsd  0xea5(%rip),%xmm0
movsd  %xmm0,-0x100(%rbp)
ff
movsd  0xe8d(%rip),%xmm0
movsd  %xmm0,-0x108(%rbp)
ff
movsd  0xe75(%rip),%xmm0
movsd  %xmm0,-0x110(%rbp)
ff
movsd  0xd5d(%rip),%xmm0
movsd  %xmm0,-0x118(%rbp)
ff
movsd  0xe4d(%rip),%xmm0
movsd  %xmm0,-0x120(%rbp)
ff
movsd  0xe35(%rip),%xmm0
movsd  %xmm0,-0x128(%rbp)
ff
movsd  0xe1d(%rip),%xmm0
movsd  %xmm0,-0x130(%rbp)
ff
movsd  0xe05(%rip),%xmm0
movsd  %xmm0,-0x138(%rbp)
ff
movsd  0xded(%rip),%xmm0
movsd  %xmm0,-0x140(%rbp)
ff
movsd  0xcdd(%rip),%xmm0
movsd  %xmm0,-0x148(%rbp)
ff
movsd  0xdc5(%rip),%xmm0
movsd  %xmm0,-0x150(%rbp)
ff
movsd  0xdad(%rip),%xmm0
movsd  %xmm0,-0x158(%rbp)
ff
movsd  0xd95(%rip),%xmm0
movsd  %xmm0,-0x160(%rbp)
ff
movsd  0xc85(%rip),%xmm0
movsd  %xmm0,-0x168(%rbp)
ff
movsd  0xd6d(%rip),%xmm0
movsd  %xmm0,-0x170(%rbp)
ff
movsd  0xc5d(%rip),%xmm0
movsd  %xmm0,-0x178(%rbp)
ff
movsd  0xd45(%rip),%xmm0
movsd  %xmm0,-0x180(%rbp)
ff
movsd  0xc2d(%rip),%xmm0
movsd  %xmm0,-0x188(%rbp)
ff
movsd  0xd1d(%rip),%xmm0
movsd  %xmm0,-0x190(%rbp)
ff
movsd  0xc05(%rip),%xmm0
movsd  %xmm0,-0x198(%rbp)
ff
movsd  0xcf5(%rip),%xmm0
movsd  %xmm0,-0x1a0(%rbp)
ff
movsd  0xcdd(%rip),%xmm0
movsd  %xmm0,-0x1a8(%rbp)
ff
movsd  0xcc5(%rip),%xmm0
movsd  %xmm0,-0x1b0(%rbp)
ff
movsd  0xcad(%rip),%xmm0
movsd  %xmm0,-0x1b8(%rbp)
ff
movsd  0xc95(%rip),%xmm0
movsd  %xmm0,-0x1c0(%rbp)
ff
movsd  0xc7d(%rip),%xmm0
movsd  %xmm0,-0x1c8(%rbp)
ff
movsd  0xc65(%rip),%xmm0
movsd  %xmm0,-0x1d0(%rbp)
ff
movsd  0xc4d(%rip),%xmm0
movsd  %xmm0,-0x1d8(%rbp)
ff
movsd  0xc35(%rip),%xmm0
movsd  %xmm0,-0x1e0(%rbp)
ff
movsd  0xc1d(%rip),%xmm0
movsd  %xmm0,-0x1e8(%rbp)
ff
movsd  0xc05(%rip),%xmm0
movsd  %xmm0,-0x1f0(%rbp)
ff
movsd  0xbed(%rip),%xmm0
movsd  %xmm0,-0x1f8(%rbp)
ff
movsd  0xbd5(%rip),%xmm0
movsd  %xmm0,-0x200(%rbp)
ff
movsd  0xbbd(%rip),%xmm0
movsd  %xmm0,-0x208(%rbp)
ff
movsd  0xba5(%rip),%xmm0
movsd  %xmm0,-0x210(%rbp)
ff
movsd  0xb8d(%rip),%xmm0
movsd  %xmm0,-0x218(%rbp)
ff
movsd  0xb75(%rip),%xmm0
movsd  %xmm0,-0x220(%rbp)
ff
movsd  0xb5d(%rip),%xmm0
movsd  %xmm0,-0x228(%rbp)
ff
movsd  0xb45(%rip),%xmm0
movsd  %xmm0,-0x230(%rbp)
ff
movsd  0xb2d(%rip),%xmm0
movsd  %xmm0,-0x238(%rbp)
ff
movsd  0xb15(%rip),%xmm0
movsd  %xmm0,-0x240(%rbp)
ff
movsd  0xafd(%rip),%xmm0
movsd  %xmm0,-0x248(%rbp)
ff
movsd  0xae5(%rip),%xmm0
movsd  %xmm0,-0x250(%rbp)
ff
movsd  0xacd(%rip),%xmm0
movsd  %xmm0,-0x258(%rbp)
ff
movsd  0xab5(%rip),%xmm0
movsd  %xmm0,-0x260(%rbp)
ff
movsd  0xa9d(%rip),%xmm0
movsd  %xmm0,-0x268(%rbp)
ff
movsd  0xa85(%rip),%xmm0
movsd  %xmm0,-0x270(%rbp)
ff
movsd  0xa6d(%rip),%xmm0
movsd  %xmm0,-0x278(%rbp)
ff
movsd  0xa55(%rip),%xmm0
movsd  %xmm0,-0x280(%rbp)
ff
movsd  0xa3d(%rip),%xmm0
movsd  %xmm0,-0x288(%rbp)
ff
movsd  0xa25(%rip),%xmm0
movsd  %xmm0,-0x290(%rbp)
ff
movsd  0xa0d(%rip),%xmm0
movsd  %xmm0,-0x298(%rbp)
ff
movsd  0x9f5(%rip),%xmm0
movsd  %xmm0,-0x2a0(%rbp)
ff
movsd  -0x8(%rbp),%xmm0
call   1030 <sqrt@plt>
movsd  %xmm0,-0x2a8(%rbp)
ff
movsd  -0x20(%rbp),%xmm1
movsd  -0x10(%rbp),%xmm0
movsd  -0x28(%rbp),%xmm3
movsd  -0x10(%rbp),%xmm2
movsd  -0x30(%rbp),%xmm5
movsd  -0x38(%rbp),%xmm4
movsd  -0x10(%rbp),%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  -0x8(%rbp),%xmm1
movsd  -0x40(%rbp),%xmm2
movsd  -0x10(%rbp),%xmm3
movsd  -0x48(%rbp),%xmm5
movsd  -0x50(%rbp),%xmm4
movsd  -0x10(%rbp),%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm3
addsd  %xmm2,%xmm3
movsd  -0x2a8(%rbp),%xmm2
ff
movsd  -0x58(%rbp),%xmm5
movsd  -0x10(%rbp),%xmm4
movsd  -0x60(%rbp),%xmm7
movsd  -0x10(%rbp),%xmm6
movsd  -0x68(%rbp),%xmm9
movsd  -0x70(%rbp),%xmm8
movsd  -0x10(%rbp),%xmm10
mulsd  %xmm10,%xmm8
addsd  %xmm9,%xmm8
mulsd  %xmm8,%xmm6
addsd  %xmm7,%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
movsd  -0x18(%rbp),%xmm0
movsd  -0x78(%rbp),%xmm3
movsd  -0x10(%rbp),%xmm2
movsd  -0x80(%rbp),%xmm5
movsd  -0x88(%rbp),%xmm4
ff
movsd  -0x10(%rbp),%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
movsd  -0x8(%rbp),%xmm3
movsd  -0x90(%rbp),%xmm5
ff
movsd  -0x98(%rbp),%xmm4
ff
movsd  -0x10(%rbp),%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm3
addsd  %xmm2,%xmm3
movsd  -0x18(%rbp),%xmm2
movsd  -0xa0(%rbp),%xmm4
ff
movsd  -0x10(%rbp),%xmm5
movsd  -0xa8(%rbp),%xmm7
ff
movsd  -0xb0(%rbp),%xmm6
ff
movsd  -0x10(%rbp),%xmm8
mulsd  %xmm8,%xmm6
addsd  %xmm7,%xmm6
mulsd  %xmm6,%xmm5
addsd  %xmm4,%xmm5
movsd  -0xb8(%rbp),%xmm4
ff
movsd  -0x8(%rbp),%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x2b0(%rbp)
ff
movsd  -0xc0(%rbp),%xmm1
ff
movsd  -0x10(%rbp),%xmm0
movsd  -0xc8(%rbp),%xmm3
ff
movsd  -0x10(%rbp),%xmm2
movsd  -0xd0(%rbp),%xmm5
ff
movsd  -0x10(%rbp),%xmm4
movsd  -0xd8(%rbp),%xmm7
ff
movsd  -0xe0(%rbp),%xmm6
ff
movsd  -0x10(%rbp),%xmm8
mulsd  %xmm8,%xmm6
addsd  %xmm7,%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  -0x8(%rbp),%xmm1
movsd  -0xe8(%rbp),%xmm3
ff
movsd  -0x10(%rbp),%xmm2
movsd  -0xf0(%rbp),%xmm5
ff
movsd  -0x10(%rbp),%xmm4
movsd  -0xf8(%rbp),%xmm7
ff
movsd  -0x10(%rbp),%xmm6
movsd  -0x100(%rbp),%xmm9
ff ff
movsd  -0x108(%rbp),%xmm8
ff ff
movsd  -0x10(%rbp),%xmm10
mulsd  %xmm10,%xmm8
addsd  %xmm9,%xmm8
mulsd  %xmm8,%xmm6
addsd  %xmm7,%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
movsd  -0x138(%rbp),%xmm3
ff
movsd  -0x8(%rbp),%xmm4
mulsd  %xmm4,%xmm3
addsd  %xmm2,%xmm3
movsd  -0x2a8(%rbp),%xmm2
ff
movsd  -0x110(%rbp),%xmm5
ff
movsd  -0x10(%rbp),%xmm4
movsd  -0x118(%rbp),%xmm7
ff
movsd  -0x10(%rbp),%xmm6
movsd  -0x120(%rbp),%xmm9
ff ff
movsd  -0x10(%rbp),%xmm8
movsd  -0x128(%rbp),%xmm11
ff ff
movsd  -0x130(%rbp),%xmm10
ff ff
movsd  -0x10(%rbp),%xmm12
mulsd  %xmm12,%xmm10
addsd  %xmm11,%xmm10
mulsd  %xmm10,%xmm8
addsd  %xmm9,%xmm8
mulsd  %xmm8,%xmm6
addsd  %xmm7,%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
movsd  -0x18(%rbp),%xmm0
movsd  -0x140(%rbp),%xmm3
ff
movsd  -0x10(%rbp),%xmm2
movsd  -0x148(%rbp),%xmm5
ff
movsd  -0x10(%rbp),%xmm4
movsd  -0x150(%rbp),%xmm7
ff
movsd  -0x158(%rbp),%xmm6
ff
movsd  -0x10(%rbp),%xmm8
mulsd  %xmm8,%xmm6
addsd  %xmm7,%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
movsd  -0x8(%rbp),%xmm3
movsd  -0x160(%rbp),%xmm5
ff
movsd  -0x168(%rbp),%xmm4
ff
movsd  -0x10(%rbp),%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm3
addsd  %xmm2,%xmm3
movsd  -0x18(%rbp),%xmm2
movsd  -0x170(%rbp),%xmm4
ff
movsd  -0x10(%rbp),%xmm5
movsd  -0x178(%rbp),%xmm6
ff
movsd  -0x180(%rbp),%xmm7
ff
movsd  -0x10(%rbp),%xmm8
mulsd  %xmm8,%xmm7
addsd  %xmm6,%xmm7
movsd  -0x188(%rbp),%xmm6
ff
movsd  -0x8(%rbp),%xmm8
mulsd  %xmm8,%xmm6
addsd  %xmm7,%xmm6
mulsd  %xmm6,%xmm5
addsd  %xmm4,%xmm5
movsd  -0x18(%rbp),%xmm4
movsd  -0x190(%rbp),%xmm7
ff
movsd  -0x198(%rbp),%xmm6
ff
movsd  -0x10(%rbp),%xmm8
mulsd  %xmm8,%xmm6
addsd  %xmm7,%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x2b8(%rbp)
ff
movsd  -0x1a0(%rbp),%xmm1
ff
movsd  -0x10(%rbp),%xmm0
movsd  -0x1a8(%rbp),%xmm3
ff
movsd  -0x1b0(%rbp),%xmm2
ff
movsd  -0x10(%rbp),%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  -0x8(%rbp),%xmm1
movsd  -0x1b8(%rbp),%xmm2
ff
movsd  -0x1c0(%rbp),%xmm3
ff
movsd  -0x10(%rbp),%xmm4
mulsd  %xmm4,%xmm3
addsd  %xmm2,%xmm3
movsd  -0x2a8(%rbp),%xmm2
ff
movsd  -0x1c8(%rbp),%xmm5
ff
movsd  -0x10(%rbp),%xmm4
movsd  -0x1d0(%rbp),%xmm7
ff
movsd  -0x1d8(%rbp),%xmm6
ff
movsd  -0x10(%rbp),%xmm8
mulsd  %xmm8,%xmm6
addsd  %xmm7,%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
movsd  -0x18(%rbp),%xmm0
movsd  -0x1e0(%rbp),%xmm3
ff
movsd  -0x1e8(%rbp),%xmm2
ff
movsd  -0x10(%rbp),%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
movsd  -0x1f0(%rbp),%xmm3
ff
movsd  -0x8(%rbp),%xmm4
mulsd  %xmm4,%xmm3
addsd  %xmm2,%xmm3
movsd  -0x18(%rbp),%xmm2
movsd  -0x1f8(%rbp),%xmm5
ff
movsd  -0x200(%rbp),%xmm4
ff
movsd  -0x10(%rbp),%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x2c0(%rbp)
ff
movsd  -0x208(%rbp),%xmm1
ff
movsd  -0x10(%rbp),%xmm0
movsd  -0x210(%rbp),%xmm3
ff
movsd  -0x10(%rbp),%xmm2
movsd  -0x218(%rbp),%xmm5
ff
movsd  -0x220(%rbp),%xmm4
ff
movsd  -0x10(%rbp),%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  -0x8(%rbp),%xmm1
movsd  -0x228(%rbp),%xmm2
ff
movsd  -0x10(%rbp),%xmm3
movsd  -0x230(%rbp),%xmm5
ff
movsd  -0x10(%rbp),%xmm4
movsd  -0x238(%rbp),%xmm7
ff
movsd  -0x240(%rbp),%xmm6
ff
movsd  -0x10(%rbp),%xmm8
mulsd  %xmm8,%xmm6
addsd  %xmm7,%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm3
addsd  %xmm2,%xmm3
movsd  -0x2a8(%rbp),%xmm2
ff
movsd  -0x248(%rbp),%xmm5
ff
movsd  -0x10(%rbp),%xmm4
movsd  -0x250(%rbp),%xmm7
ff
movsd  -0x10(%rbp),%xmm6
movsd  -0x258(%rbp),%xmm9
ff ff
movsd  -0x260(%rbp),%xmm8
ff ff
movsd  -0x10(%rbp),%xmm10
mulsd  %xmm10,%xmm8
addsd  %xmm9,%xmm8
mulsd  %xmm8,%xmm6
addsd  %xmm7,%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
movsd  -0x18(%rbp),%xmm0
movsd  -0x268(%rbp),%xmm3
ff
movsd  -0x10(%rbp),%xmm2
movsd  -0x270(%rbp),%xmm5
ff
movsd  -0x278(%rbp),%xmm4
ff
movsd  -0x10(%rbp),%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
movsd  -0x280(%rbp),%xmm3
ff
movsd  -0x8(%rbp),%xmm4
mulsd  %xmm4,%xmm3
addsd  %xmm2,%xmm3
movsd  -0x18(%rbp),%xmm2
movsd  -0x288(%rbp),%xmm5
ff
movsd  -0x290(%rbp),%xmm4
ff
movsd  -0x10(%rbp),%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
movsd  -0x298(%rbp),%xmm5
ff
movsd  -0x8(%rbp),%xmm6
mulsd  %xmm6,%xmm5
addsd  %xmm4,%xmm5
movsd  -0x2a0(%rbp),%xmm4
ff
movsd  -0x18(%rbp),%xmm6
mulsd  %xmm6,%xmm4
addsd  %xmm5,%xmm4
mulsd  %xmm4,%xmm2
addsd  %xmm3,%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x2c8(%rbp)
ff
movsd  -0x2b0(%rbp),%xmm0
ff
movsd  -0x2c8(%rbp),%xmm2
ff
movsd  -0x2b8(%rbp),%xmm1
ff
mulsd  -0x2c0(%rbp),%xmm1
ff
movq   %xmm1,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  -0x2b8(%rbp),%xmm1
ff
mulsd  -0x2b0(%rbp),%xmm1
ff
divsd  %xmm1,%xmm0
add    $0x2d0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<gsw_alpha>:
sub    $0x38,%rsp
movapd %xmm0,%xmm12
xorpd  %xmm0,%xmm0
ucomisd %xmm0,%xmm12
jb     112e <gsw_alpha+0x1e>
xorps  %xmm0,%xmm0
sqrtsd %xmm12,%xmm0
jmp    115a <gsw_alpha+0x4a>
movapd %xmm12,%xmm0
movaps %xmm2,0x20(%rsp)
movapd %xmm12,0x10(%rsp)
movaps %xmm1,(%rsp)
call   1030 <sqrt@plt>
movapd (%rsp),%xmm1
movapd 0x10(%rsp),%xmm12
movapd 0x20(%rsp),%xmm2
movsd  0xeae(%rip),%xmm3
mulsd  %xmm1,%xmm3
addsd  0xeaa(%rip),%xmm3
movapd %xmm1,%xmm11
shufpd $0x2,0xff4(%rip),%xmm3
unpcklpd %xmm1,%xmm11
mulpd  %xmm11,%xmm3
addpd  0xff2(%rip),%xmm3
movsd  0xe69(%rip),%xmm9
mulpd  %xmm11,%xmm3
addpd  0xfec(%rip),%xmm3
mulsd  %xmm1,%xmm9
mulpd  %xmm11,%xmm3
addpd  0xfea(%rip),%xmm3
movsd  0xe62(%rip),%xmm7
mulsd  %xmm1,%xmm7
addsd  0xe5e(%rip),%xmm7
movsd  0xe35(%rip),%xmm10
mulsd  %xmm1,%xmm7
addsd  0xe51(%rip),%xmm7
addsd  %xmm10,%xmm9
mulsd  %xmm1,%xmm7
movsd  0xe47(%rip),%xmm8
addsd  %xmm8,%xmm7
mulsd  %xmm1,%xmm7
addsd  0xe3e(%rip),%xmm7
movapd %xmm12,%xmm6
unpcklpd %xmm1,%xmm6
shufpd $0x2,0xfac(%rip),%xmm7
movsd  0xe2c(%rip),%xmm4
mulsd  %xmm1,%xmm4
addsd  0xe28(%rip),%xmm4
shufpd $0x2,0xf9f(%rip),%xmm4
movapd 0xf77(%rip),%xmm5
mulpd  %xmm11,%xmm4
addpd  0xf9a(%rip),%xmm4
unpcklpd %xmm9,%xmm5
mulpd  %xmm11,%xmm4
addpd  0xf98(%rip),%xmm4
mulpd  %xmm6,%xmm5
mulpd  %xmm11,%xmm4
addpd  0xf97(%rip),%xmm4
addpd  %xmm7,%xmm5
movapd %xmm0,%xmm7
unpcklpd %xmm0,%xmm7
mulpd  %xmm4,%xmm7
addpd  %xmm5,%xmm7
movapd %xmm12,%xmm9
unpcklpd %xmm12,%xmm9
mulpd  %xmm9,%xmm7
movsd  0xdc4(%rip),%xmm5
mulsd  %xmm1,%xmm5
addsd  0xdc0(%rip),%xmm5
shufpd $0x2,0xf67(%rip),%xmm5
addpd  %xmm3,%xmm7
mulpd  %xmm11,%xmm5
addpd  0xf66(%rip),%xmm5
mulpd  %xmm11,%xmm5
addpd  0xf69(%rip),%xmm5
movapd 0xf71(%rip),%xmm4
mulpd  %xmm11,%xmm4
addpd  0xf74(%rip),%xmm4
mulpd  %xmm9,%xmm4
movsd  0xd7f(%rip),%xmm3
mulsd  %xmm1,%xmm3
movsd  0xd7a(%rip),%xmm9
addsd  %xmm9,%xmm3
shufpd $0x2,0xf5c(%rip),%xmm3
mulpd  0xf64(%rip),%xmm6
addpd  %xmm3,%xmm6
mulpd  %xmm11,%xmm6
addpd  0xf63(%rip),%xmm6
movsd  0xd52(%rip),%xmm11
movapd %xmm1,%xmm3
mulsd  %xmm11,%xmm3
addsd  0xd49(%rip),%xmm3
addpd  %xmm5,%xmm4
movapd %xmm2,%xmm5
unpcklpd %xmm12,%xmm5
shufpd $0x2,0xf43(%rip),%xmm3
mulpd  %xmm5,%xmm3
addpd  %xmm6,%xmm3
movapd %xmm2,%xmm5
unpcklpd %xmm2,%xmm5
mulpd  %xmm5,%xmm3
addpd  %xmm4,%xmm3
mulpd  %xmm5,%xmm3
addpd  %xmm7,%xmm3
movsd  0xd13(%rip),%xmm5
mulsd  %xmm1,%xmm5
addsd  0xd0f(%rip),%xmm5
mulsd  %xmm1,%xmm5
addsd  0xd0b(%rip),%xmm5
movsd  0xd0b(%rip),%xmm4
mulsd  %xmm1,%xmm4
movsd  0xd07(%rip),%xmm6
mulsd  %xmm1,%xmm6
addsd  0xd03(%rip),%xmm6
addsd  %xmm10,%xmm4
mulsd  %xmm1,%xmm6
addsd  0xcfa(%rip),%xmm6
mulsd  %xmm0,%xmm6
addsd  %xmm4,%xmm6
mulsd  %xmm12,%xmm6
addsd  %xmm5,%xmm6
movsd  0xce9(%rip),%xmm5
mulsd  %xmm1,%xmm5
addsd  0xce5(%rip),%xmm5
movsd  0xce5(%rip),%xmm4
mulsd  %xmm12,%xmm4
addsd  %xmm5,%xmm4
movsd  0xcdc(%rip),%xmm5
mulsd  %xmm1,%xmm5
addsd  0xcd8(%rip),%xmm5
mulsd  %xmm2,%xmm5
movsd  0xcd4(%rip),%xmm7
mulsd  %xmm1,%xmm7
addsd  0xcd0(%rip),%xmm7
addsd  %xmm4,%xmm5
mulsd  %xmm1,%xmm7
addsd  0xcc8(%rip),%xmm7
mulsd  %xmm2,%xmm5
mulsd  %xmm1,%xmm7
addsd  0xcc0(%rip),%xmm7
movsd  0xcc0(%rip),%xmm4
mulsd  %xmm1,%xmm4
addsd  0xcbc(%rip),%xmm4
addsd  %xmm6,%xmm5
mulsd  %xmm1,%xmm4
addsd  0xcb4(%rip),%xmm4
movsd  0xcb4(%rip),%xmm6
mulsd  %xmm1,%xmm6
addsd  0xcb0(%rip),%xmm6
mulsd  %xmm1,%xmm4
mulsd  %xmm1,%xmm6
addsd  0xca8(%rip),%xmm6
addsd  %xmm8,%xmm4
mulsd  %xmm1,%xmm6
addsd  0xc9f(%rip),%xmm6
mulsd  %xmm0,%xmm6
addsd  %xmm4,%xmm6
mulsd  %xmm12,%xmm6
addsd  %xmm7,%xmm6
movsd  0xc8e(%rip),%xmm0
mulsd  %xmm1,%xmm0
addsd  0xc8a(%rip),%xmm0
mulsd  %xmm1,%xmm0
addsd  0xc86(%rip),%xmm0
movsd  0xc86(%rip),%xmm4
mulsd  %xmm12,%xmm4
addsd  %xmm0,%xmm4
mulsd  0xc7d(%rip),%xmm1
addsd  %xmm9,%xmm1
mulsd  0xc77(%rip),%xmm12
addsd  %xmm1,%xmm12
mulsd  %xmm2,%xmm11
addsd  %xmm12,%xmm11
mulsd  %xmm2,%xmm11
addsd  %xmm4,%xmm11
mulsd  %xmm2,%xmm11
addsd  %xmm6,%xmm11
mulsd  %xmm3,%xmm5
movapd %xmm3,%xmm0
unpckhpd %xmm3,%xmm0
mulsd  %xmm0,%xmm11
subsd  %xmm5,%xmm11
mulsd  %xmm3,%xmm0
divsd  %xmm0,%xmm11
movapd %xmm11,%xmm0
add    $0x38,%rsp
ret

LLVM IR (-O0):
define double @gsw_alpha(double %0, double %1, double %2) {
%4 = alloca double
%5 = alloca double
%6 = alloca double
%7 = alloca double
%8 = alloca double
%9 = alloca double
%10 = alloca double
%11 = alloca double
%12 = alloca double
%13 = alloca double
%14 = alloca double
%15 = alloca double
%16 = alloca double
%17 = alloca double
%18 = alloca double
%19 = alloca double
%20 = alloca double
%21 = alloca double
%22 = alloca double
%23 = alloca double
%24 = alloca double
%25 = alloca double
%26 = alloca double
%27 = alloca double
%28 = alloca double
%29 = alloca double
%30 = alloca double
%31 = alloca double
%32 = alloca double
%33 = alloca double
%34 = alloca double
%35 = alloca double
%36 = alloca double
%37 = alloca double
%38 = alloca double
%39 = alloca double
%40 = alloca double
%41 = alloca double
%42 = alloca double
%43 = alloca double
%44 = alloca double
%45 = alloca double
%46 = alloca double
%47 = alloca double
%48 = alloca double
%49 = alloca double
%50 = alloca double
%51 = alloca double
%52 = alloca double
%53 = alloca double
%54 = alloca double
%55 = alloca double
%56 = alloca double
%57 = alloca double
%58 = alloca double
%59 = alloca double
%60 = alloca double
%61 = alloca double
%62 = alloca double
%63 = alloca double
%64 = alloca double
%65 = alloca double
%66 = alloca double
%67 = alloca double
%68 = alloca double
%69 = alloca double
%70 = alloca double
%71 = alloca double
%72 = alloca double
%73 = alloca double
%74 = alloca double
%75 = alloca double
%76 = alloca double
%77 = alloca double
%78 = alloca double
%79 = alloca double
%80 = alloca double
%81 = alloca double
%82 = alloca double
%83 = alloca double
%84 = alloca double
%85 = alloca double
%86 = alloca double
%87 = alloca double
%88 = alloca double
%89 = alloca double
%90 = alloca double
%91 = alloca double
%92 = alloca double
store double %0, double* %4
store double %1, double* %5
store double %2, double* %6
store double 0x408F3EBC998D192F, double* %7
store double 0x4006B832E6480B06, double* %8
store double 0xBFA01DD4BE07158E, double* %9
store double 0x3F535CDA0AA5141F, double* %10
store double 0xC01ACAC0CAF432E4, double* %11
store double 0xBF9E94ED844FA0F2, double* %12
store double 0x3F2E830001452CFC, double* %13
store double 0xBFA46C3AB1582DFC, double* %14
store double 0x3F40B259AA6BB2BF, double* %15
store double 0xBEEDED10CC84A6D6, double* %16
store double 0x3E86144FEF843373, double* %17
store double 0xBF96DE61E08152B8, double* %18
store double 0xBF3684CD73B033D1, double* %19
store double 0x3ECF41A20BDDB36E, double* %20
store double 0xBF27AE9496D640EA, double* %21
store double 0x3EA713287F3E0D0D, double* %22
store double 0xBE94B77B40758AB4, double* %23
store double 0xBE55599498FA7240, double* %24
store double 0xBDA757D23461E618, double* %25
store double 0x3DE550DC0324AE3D, double* %26
store double 1.000000e+00, double* %27
store double 0x3F66BD8ADC91CDB6, double* %28
store double 0xBEF8A32DF0E2C663, double* %29
store double 0x3EB2C845F439D142, double* %30
store double 0x3E072BCFD6295640, double* %31
store double 0xBF7ECECF594A4D0F, double* %32
store double 0xBEFCFC614ABDE6BC, double* %33
store double 0x3E80F36B6915609B, double* %34
store double 0x3E105E675DDF54DA, double* %35
store double 0xBDB3E9ED19245025, double* %36
store double 0xBF0151A0492353E4, double* %37
store double 0x3E998309C9A5AF2D, double* %38
store double 0xBE407A356B462757, double* %39
store double 0xBDC97A08262FF761, double* %40
store double 0x3D87954B5454878B, double* %41
store double 0x3ED6BAF523B168F6, double* %42
store double 0xBEFCC0FF745ACC9B, double* %43
store double 0xBE958F74D806A8A4, double* %44
store double 0x3E2B69FE4FF2D058, double* %45
store double 0xBD80FC412ACF34B7, double* %46
store double 0xBE7DAA2C37AA778F, double* %47
store double 0x3E0557A0F47894E8, double* %48
store double 0xBDDEC25813BB665A, double* %49
store double 0xBDB55949A24CF361, double* %50
store double 0xBD14FEFF084CF710, double* %51
store double 0x3D09359B5FDCD33E, double* %52
store double 0xBCD5A05D6377C5EB, double* %53
store double 0x3C9175F16D32352C, double* %54
store double 0x4006B832E6480B06, double* %55
store double 0xBFB01DD4BE07158F, double* %56
store double 0x3F6D0B470FF79E2F, double* %57
store double 0xBF9E94ED844FA0F2, double* %58
store double 0x3F3E830001452CFC, double* %59
store double 0x3F40B259AA6BB2BF, double* %60
store double 0xBEFDED10CC84A6D3, double* %61
store double 0x3EA08F3BF3A32698, double* %62
store double 0xBF3684CD73B033D1, double* %63
store double 0x3EDF41A20BDDB36F, double* %64
store double 0x3EA713287F3E0D0D, double* %65
store double 0xBE55599498FA7240, double* %66
store double 0xBDB757D23461E618, double* %67
store double 0x3F66BD8ADC91CDB6, double* %68
store double 0xBF08A32DF0E2C663, double* %69
store double 0x3ECC2C68EE56B9E6, double* %70
store double 0x3E272BCFD629563F, double* %71
store double 0xBEFCFC614ABDE6BC, double* %72
store double 0x3E90F36B69156099, double* %73
store double 0x3E288D9B0CCEFF48, double* %74
store double 0xBDD3E9ED19245025, double* %75
store double 0x3E998309C9A5AF2D, double* %76
store double 0xBE507A356B462758, double* %77
store double 0xBDE31B861CA3F988, double* %78
store double 0x3DA7954B54548789, double* %79
store double 0xBE958F74D806A8A4, double* %80
store double 0x3E3B69FE4FF2D058, double* %81
store double 0xBD997A61C036CF14, double* %82
store double 0x3E0557A0F47894E8, double* %83
store double 0xBDB55949A24CF361, double* %84
store double 0xBD24FEFF084CF711, double* %85
store double 0x3D09359B5FDCD33E, double* %86
store double 0x3C9175F16D32352C, double* %87
%93 = load double, double* %4
%94 = call double @sqrt(double %93)
store double %94, double* %88
%95 = load double, double* %7
%96 = load double, double* %5
%97 = load double, double* %8
%98 = load double, double* %5
%99 = load double, double* %9
%100 = load double, double* %10
%101 = load double, double* %5
%102 = call double @llvm.fmuladd.f64(double %100, double %101, double %99)
%103 = call double @llvm.fmuladd.f64(double %98, double %102, double %97)
%104 = call double @llvm.fmuladd.f64(double %96, double %103, double %95)
%105 = load double, double* %4
%106 = load double, double* %11
%107 = load double, double* %5
%108 = load double, double* %12
%109 = load double, double* %13
%110 = load double, double* %5
%111 = call double @llvm.fmuladd.f64(double %109, double %110, double %108)
%112 = call double @llvm.fmuladd.f64(double %107, double %111, double %106)
%113 = load double, double* %88
%114 = load double, double* %14
%115 = load double, double* %5
%116 = load double, double* %15
%117 = load double, double* %5
%118 = load double, double* %16
%119 = load double, double* %17
%120 = load double, double* %5
%121 = call double @llvm.fmuladd.f64(double %119, double %120, double %118)
%122 = call double @llvm.fmuladd.f64(double %117, double %121, double %116)
%123 = call double @llvm.fmuladd.f64(double %115, double %122, double %114)
%124 = call double @llvm.fmuladd.f64(double %113, double %123, double %112)
%125 = call double @llvm.fmuladd.f64(double %105, double %124, double %104)
%126 = load double, double* %6
%127 = load double, double* %18
%128 = load double, double* %5
%129 = load double, double* %19
%130 = load double, double* %20
%131 = load double, double* %5
%132 = call double @llvm.fmuladd.f64(double %130, double %131, double %129)
%133 = call double @llvm.fmuladd.f64(double %128, double %132, double %127)
%134 = load double, double* %4
%135 = load double, double* %21
%136 = load double, double* %22
%137 = load double, double* %5
%138 = call double @llvm.fmuladd.f64(double %136, double %137, double %135)
%139 = call double @llvm.fmuladd.f64(double %134, double %138, double %133)
%140 = load double, double* %6
%141 = load double, double* %23
%142 = load double, double* %5
%143 = load double, double* %24
%144 = load double, double* %25
%145 = load double, double* %5
%146 = call double @llvm.fmuladd.f64(double %144, double %145, double %143)
%147 = call double @llvm.fmuladd.f64(double %142, double %146, double %141)
%148 = load double, double* %26
%149 = load double, double* %4
%150 = call double @llvm.fmuladd.f64(double %148, double %149, double %147)
%151 = call double @llvm.fmuladd.f64(double %140, double %150, double %139)
%152 = call double @llvm.fmuladd.f64(double %126, double %151, double %125)
store double %152, double* %89
%153 = load double, double* %27
%154 = load double, double* %5
%155 = load double, double* %28
%156 = load double, double* %5
%157 = load double, double* %29
%158 = load double, double* %5
%159 = load double, double* %30
%160 = load double, double* %31
%161 = load double, double* %5
%162 = call double @llvm.fmuladd.f64(double %160, double %161, double %159)
%163 = call double @llvm.fmuladd.f64(double %158, double %162, double %157)
%164 = call double @llvm.fmuladd.f64(double %156, double %163, double %155)
%165 = call double @llvm.fmuladd.f64(double %154, double %164, double %153)
%166 = load double, double* %4
%167 = load double, double* %32
%168 = load double, double* %5
%169 = load double, double* %33
%170 = load double, double* %5
%171 = load double, double* %34
%172 = load double, double* %5
%173 = load double, double* %35
%174 = load double, double* %36
%175 = load double, double* %5
%176 = call double @llvm.fmuladd.f64(double %174, double %175, double %173)
%177 = call double @llvm.fmuladd.f64(double %172, double %176, double %171)
%178 = call double @llvm.fmuladd.f64(double %170, double %177, double %169)
%179 = call double @llvm.fmuladd.f64(double %168, double %178, double %167)
%180 = load double, double* %42
%181 = load double, double* %4
%182 = call double @llvm.fmuladd.f64(double %180, double %181, double %179)
%183 = load double, double* %88
%184 = load double, double* %37
%185 = load double, double* %5
%186 = load double, double* %38
%187 = load double, double* %5
%188 = load double, double* %39
%189 = load double, double* %5
%190 = load double, double* %40
%191 = load double, double* %41
%192 = load double, double* %5
%193 = call double @llvm.fmuladd.f64(double %191, double %192, double %190)
%194 = call double @llvm.fmuladd.f64(double %189, double %193, double %188)
%195 = call double @llvm.fmuladd.f64(double %187, double %194, double %186)
%196 = call double @llvm.fmuladd.f64(double %185, double %195, double %184)
%197 = call double @llvm.fmuladd.f64(double %183, double %196, double %182)
%198 = call double @llvm.fmuladd.f64(double %166, double %197, double %165)
%199 = load double, double* %6
%200 = load double, double* %43
%201 = load double, double* %5
%202 = load double, double* %44
%203 = load double, double* %5
%204 = load double, double* %45
%205 = load double, double* %46
%206 = load double, double* %5
%207 = call double @llvm.fmuladd.f64(double %205, double %206, double %204)
%208 = call double @llvm.fmuladd.f64(double %203, double %207, double %202)
%209 = call double @llvm.fmuladd.f64(double %201, double %208, double %200)
%210 = load double, double* %4
%211 = load double, double* %47
%212 = load double, double* %48
%213 = load double, double* %5
%214 = call double @llvm.fmuladd.f64(double %212, double %213, double %211)
%215 = call double @llvm.fmuladd.f64(double %210, double %214, double %209)
%216 = load double, double* %6
%217 = load double, double* %49
%218 = load double, double* %5
%219 = load double, double* %50
%220 = load double, double* %51
%221 = load double, double* %5
%222 = call double @llvm.fmuladd.f64(double %220, double %221, double %219)
%223 = load double, double* %52
%224 = load double, double* %4
%225 = call double @llvm.fmuladd.f64(double %223, double %224, double %222)
%226 = call double @llvm.fmuladd.f64(double %218, double %225, double %217)
%227 = load double, double* %6
%228 = load double, double* %53
%229 = load double, double* %54
%230 = load double, double* %5
%231 = call double @llvm.fmuladd.f64(double %229, double %230, double %228)
%232 = call double @llvm.fmuladd.f64(double %227, double %231, double %226)
%233 = call double @llvm.fmuladd.f64(double %216, double %232, double %215)
%234 = call double @llvm.fmuladd.f64(double %199, double %233, double %198)
store double %234, double* %90
%235 = load double, double* %55
%236 = load double, double* %5
%237 = load double, double* %56
%238 = load double, double* %57
%239 = load double, double* %5
%240 = call double @llvm.fmuladd.f64(double %238, double %239, double %237)
%241 = call double @llvm.fmuladd.f64(double %236, double %240, double %235)
%242 = load double, double* %4
%243 = load double, double* %58
%244 = load double, double* %59
%245 = load double, double* %5
%246 = call double @llvm.fmuladd.f64(double %244, double %245, double %243)
%247 = load double, double* %88
%248 = load double, double* %60
%249 = load double, double* %5
%250 = load double, double* %61
%251 = load double, double* %62
%252 = load double, double* %5
%253 = call double @llvm.fmuladd.f64(double %251, double %252, double %250)
%254 = call double @llvm.fmuladd.f64(double %249, double %253, double %248)
%255 = call double @llvm.fmuladd.f64(double %247, double %254, double %246)
%256 = call double @llvm.fmuladd.f64(double %242, double %255, double %241)
%257 = load double, double* %6
%258 = load double, double* %63
%259 = load double, double* %64
%260 = load double, double* %5
%261 = call double @llvm.fmuladd.f64(double %259, double %260, double %258)
%262 = load double, double* %65
%263 = load double, double* %4
%264 = call double @llvm.fmuladd.f64(double %262, double %263, double %261)
%265 = load double, double* %6
%266 = load double, double* %66
%267 = load double, double* %67
%268 = load double, double* %5
%269 = call double @llvm.fmuladd.f64(double %267, double %268, double %266)
%270 = call double @llvm.fmuladd.f64(double %265, double %269, double %264)
%271 = call double @llvm.fmuladd.f64(double %257, double %270, double %256)
store double %271, double* %91
%272 = load double, double* %68
%273 = load double, double* %5
%274 = load double, double* %69
%275 = load double, double* %5
%276 = load double, double* %70
%277 = load double, double* %71
%278 = load double, double* %5
%279 = call double @llvm.fmuladd.f64(double %277, double %278, double %276)
%280 = call double @llvm.fmuladd.f64(double %275, double %279, double %274)
%281 = call double @llvm.fmuladd.f64(double %273, double %280, double %272)
%282 = load double, double* %4
%283 = load double, double* %72
%284 = load double, double* %5
%285 = load double, double* %73
%286 = load double, double* %5
%287 = load double, double* %74
%288 = load double, double* %75
%289 = load double, double* %5
%290 = call double @llvm.fmuladd.f64(double %288, double %289, double %287)
%291 = call double @llvm.fmuladd.f64(double %286, double %290, double %285)
%292 = call double @llvm.fmuladd.f64(double %284, double %291, double %283)
%293 = load double, double* %88
%294 = load double, double* %76
%295 = load double, double* %5
%296 = load double, double* %77
%297 = load double, double* %5
%298 = load double, double* %78
%299 = load double, double* %79
%300 = load double, double* %5
%301 = call double @llvm.fmuladd.f64(double %299, double %300, double %298)
%302 = call double @llvm.fmuladd.f64(double %297, double %301, double %296)
%303 = call double @llvm.fmuladd.f64(double %295, double %302, double %294)
%304 = call double @llvm.fmuladd.f64(double %293, double %303, double %292)
%305 = call double @llvm.fmuladd.f64(double %282, double %304, double %281)
%306 = load double, double* %6
%307 = load double, double* %80
%308 = load double, double* %5
%309 = load double, double* %81
%310 = load double, double* %82
%311 = load double, double* %5
%312 = call double @llvm.fmuladd.f64(double %310, double %311, double %309)
%313 = call double @llvm.fmuladd.f64(double %308, double %312, double %307)
%314 = load double, double* %83
%315 = load double, double* %4
%316 = call double @llvm.fmuladd.f64(double %314, double %315, double %313)
%317 = load double, double* %6
%318 = load double, double* %84
%319 = load double, double* %85
%320 = load double, double* %5
%321 = call double @llvm.fmuladd.f64(double %319, double %320, double %318)
%322 = load double, double* %86
%323 = load double, double* %4
%324 = call double @llvm.fmuladd.f64(double %322, double %323, double %321)
%325 = load double, double* %87
%326 = load double, double* %6
%327 = call double @llvm.fmuladd.f64(double %325, double %326, double %324)
%328 = call double @llvm.fmuladd.f64(double %317, double %327, double %316)
%329 = call double @llvm.fmuladd.f64(double %306, double %328, double %305)
store double %329, double* %92
%330 = load double, double* %89
%331 = load double, double* %92
%332 = load double, double* %90
%333 = load double, double* %91
%334 = fmul double %332, %333
%335 = fneg double %334
%336 = call double @llvm.fmuladd.f64(double %330, double %331, double %335)
%337 = load double, double* %90
%338 = load double, double* %89
%339 = fmul double %337, %338
%340 = fdiv double %336, %339
ret double %340
}

LLVM IR (-O2):
define double @gsw_alpha(double %0, double %1, double %2) {
%4 = tail call double @sqrt(double %0)
%5 = tail call double @llvm.fmuladd.f64(double %1, double 0x3F2E830001452CFC, double 0xBF9E94ED844FA0F2)
%6 = tail call double @llvm.fmuladd.f64(double %1, double 0x3E072BCFD6295640, double 0x3EB2C845F439D142)
%7 = insertelement <2 x double> poison, double %1, i64 0
%8 = shufflevector <2 x double> %7, <2 x double> poison, <2 x i32> zeroinitializer
%9 = insertelement <2 x double> <double poison, double 0x3F535CDA0AA5141F>, double %6, i64 0
%10 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %8, <2 x double> %9, <2 x double> <double 0xBEF8A32DF0E2C663, double 0xBFA01DD4BE07158E>)
%11 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %8, <2 x double> %10, <2 x double> <double 0x3F66BD8ADC91CDB6, double 0x4006B832E6480B06>)
%12 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %8, <2 x double> %11, <2 x double> <double 1.000000e+00, double 0x408F3EBC998D192F>)
%13 = tail call double @llvm.fmuladd.f64(double %1, double 0xBDB3E9ED19245025, double 0x3E105E675DDF54DA)
%14 = tail call double @llvm.fmuladd.f64(double %1, double %13, double 0x3E80F36B6915609B)
%15 = tail call double @llvm.fmuladd.f64(double %1, double %14, double 0xBEFCFC614ABDE6BC)
%16 = tail call double @llvm.fmuladd.f64(double %1, double %15, double 0xBF7ECECF594A4D0F)
%17 = insertelement <2 x double> poison, double %0, i64 0
%18 = insertelement <2 x double> %17, double %1, i64 1
%19 = insertelement <2 x double> <double 0x3ED6BAF523B168F6, double poison>, double %5, i64 1
%20 = insertelement <2 x double> <double poison, double 0xC01ACAC0CAF432E4>, double %16, i64 0
%21 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %18, <2 x double> %19, <2 x double> %20)
%22 = tail call double @llvm.fmuladd.f64(double %1, double 0x3D87954B5454878B, double 0xBDC97A08262FF761)
%23 = insertelement <2 x double> <double poison, double 0x3E86144FEF843373>, double %22, i64 0
%24 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %8, <2 x double> %23, <2 x double> <double 0xBE407A356B462757, double 0xBEEDED10CC84A6D6>)
%25 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %8, <2 x double> %24, <2 x double> <double 0x3E998309C9A5AF2D, double 0x3F40B259AA6BB2BF>)
%26 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %8, <2 x double> %25, <2 x double> <double 0xBF0151A0492353E4, double 0xBFA46C3AB1582DFC>)
%27 = insertelement <2 x double> poison, double %4, i64 0
%28 = shufflevector <2 x double> %27, <2 x double> poison, <2 x i32> zeroinitializer
%29 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %28, <2 x double> %26, <2 x double> %21)
%30 = shufflevector <2 x double> %17, <2 x double> poison, <2 x i32> zeroinitializer
%31 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %30, <2 x double> %29, <2 x double> %12)
%32 = tail call double @llvm.fmuladd.f64(double %1, double 0xBD80FC412ACF34B7, double 0x3E2B69FE4FF2D058)
%33 = insertelement <2 x double> <double poison, double 0x3ECF41A20BDDB36E>, double %32, i64 0
%34 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %8, <2 x double> %33, <2 x double> <double 0xBE958F74D806A8A4, double 0xBF3684CD73B033D1>)
%35 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %8, <2 x double> %34, <2 x double> <double 0xBEFCC0FF745ACC9B, double 0xBF96DE61E08152B8>)
%36 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %8, <2 x double> <double 0x3E0557A0F47894E8, double 0x3EA713287F3E0D0D>, <2 x double> <double 0xBE7DAA2C37AA778F, double 0xBF27AE9496D640EA>)
%37 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %30, <2 x double> %36, <2 x double> %35)
%38 = tail call double @llvm.fmuladd.f64(double %1, double 0xBD14FEFF084CF710, double 0xBDB55949A24CF361)
%39 = insertelement <2 x double> <double poison, double 0xBE55599498FA7240>, double %38, i64 0
%40 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %18, <2 x double> <double 0x3D09359B5FDCD33E, double 0xBDA757D23461E618>, <2 x double> %39)
%41 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %8, <2 x double> %40, <2 x double> <double 0xBDDEC25813BB665A, double 0xBE94B77B40758AB4>)
%42 = tail call double @llvm.fmuladd.f64(double %1, double 0x3C9175F16D32352C, double 0xBCD5A05D6377C5EB)
%43 = insertelement <2 x double> poison, double %2, i64 0
%44 = insertelement <2 x double> %43, double %0, i64 1
%45 = insertelement <2 x double> <double poison, double 0x3DE550DC0324AE3D>, double %42, i64 0
%46 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %44, <2 x double> %45, <2 x double> %41)
%47 = shufflevector <2 x double> %43, <2 x double> poison, <2 x i32> zeroinitializer
%48 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %47, <2 x double> %46, <2 x double> %37)
%49 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %47, <2 x double> %48, <2 x double> %31)
%50 = tail call double @llvm.fmuladd.f64(double %1, double 0x3F6D0B470FF79E2F, double 0xBFB01DD4BE07158F)
%51 = tail call double @llvm.fmuladd.f64(double %1, double %50, double 0x4006B832E6480B06)
%52 = tail call double @llvm.fmuladd.f64(double %1, double 0x3F3E830001452CFC, double 0xBF9E94ED844FA0F2)
%53 = tail call double @llvm.fmuladd.f64(double %1, double 0x3EA08F3BF3A32698, double 0xBEFDED10CC84A6D3)
%54 = tail call double @llvm.fmuladd.f64(double %1, double %53, double 0x3F40B259AA6BB2BF)
%55 = tail call double @llvm.fmuladd.f64(double %4, double %54, double %52)
%56 = tail call double @llvm.fmuladd.f64(double %0, double %55, double %51)
%57 = tail call double @llvm.fmuladd.f64(double %1, double 0x3EDF41A20BDDB36F, double 0xBF3684CD73B033D1)
%58 = tail call double @llvm.fmuladd.f64(double %0, double 0x3EA713287F3E0D0D, double %57)
%59 = tail call double @llvm.fmuladd.f64(double %1, double 0xBDB757D23461E618, double 0xBE55599498FA7240)
%60 = tail call double @llvm.fmuladd.f64(double %2, double %59, double %58)
%61 = tail call double @llvm.fmuladd.f64(double %2, double %60, double %56)
%62 = tail call double @llvm.fmuladd.f64(double %1, double 0x3E272BCFD629563F, double 0x3ECC2C68EE56B9E6)
%63 = tail call double @llvm.fmuladd.f64(double %1, double %62, double 0xBF08A32DF0E2C663)
%64 = tail call double @llvm.fmuladd.f64(double %1, double %63, double 0x3F66BD8ADC91CDB6)
%65 = tail call double @llvm.fmuladd.f64(double %1, double 0xBDD3E9ED19245025, double 0x3E288D9B0CCEFF48)
%66 = tail call double @llvm.fmuladd.f64(double %1, double %65, double 0x3E90F36B69156099)
%67 = tail call double @llvm.fmuladd.f64(double %1, double %66, double 0xBEFCFC614ABDE6BC)
%68 = tail call double @llvm.fmuladd.f64(double %1, double 0x3DA7954B54548789, double 0xBDE31B861CA3F988)
%69 = tail call double @llvm.fmuladd.f64(double %1, double %68, double 0xBE507A356B462758)
%70 = tail call double @llvm.fmuladd.f64(double %1, double %69, double 0x3E998309C9A5AF2D)
%71 = tail call double @llvm.fmuladd.f64(double %4, double %70, double %67)
%72 = tail call double @llvm.fmuladd.f64(double %0, double %71, double %64)
%73 = tail call double @llvm.fmuladd.f64(double %1, double 0xBD997A61C036CF14, double 0x3E3B69FE4FF2D058)
%74 = tail call double @llvm.fmuladd.f64(double %1, double %73, double 0xBE958F74D806A8A4)
%75 = tail call double @llvm.fmuladd.f64(double %0, double 0x3E0557A0F47894E8, double %74)
%76 = tail call double @llvm.fmuladd.f64(double %1, double 0xBD24FEFF084CF711, double 0xBDB55949A24CF361)
%77 = tail call double @llvm.fmuladd.f64(double %0, double 0x3D09359B5FDCD33E, double %76)
%78 = tail call double @llvm.fmuladd.f64(double %2, double 0x3C9175F16D32352C, double %77)
%79 = tail call double @llvm.fmuladd.f64(double %2, double %78, double %75)
%80 = tail call double @llvm.fmuladd.f64(double %2, double %79, double %72)
%81 = extractelement <2 x double> %49, i64 0
%82 = fneg double %81
%83 = fmul double %61, %82
%84 = extractelement <2 x double> %49, i64 1
%85 = tail call double @llvm.fmuladd.f64(double %84, double %80, double %83)
%86 = fmul double %81, %84
%87 = fdiv double %85, %86
ret double %87
}