void matrix_multiply(const double *a, const double *b, double *output) {
  output[0] = (b[0] * a[0]) + (b[1] * a[4]) + (b[2] * a[8]) + (b[3] * a[12]);
  output[4] = (b[4] * a[0]) + (b[5] * a[4]) + (b[6] * a[8]) + (b[7] * a[12]);
  output[8] = (b[8] * a[0]) + (b[9] * a[4]) + (b[10] * a[8]) + (b[11] * a[12]);
  output[12] =
      (b[12] * a[0]) + (b[13] * a[4]) + (b[14] * a[8]) + (b[15] * a[12]);
  output[1] = (b[0] * a[1]) + (b[1] * a[5]) + (b[2] * a[9]) + (b[3] * a[13]);
  output[5] = (b[4] * a[1]) + (b[5] * a[5]) + (b[6] * a[9]) + (b[7] * a[13]);
  output[9] = (b[8] * a[1]) + (b[9] * a[5]) + (b[10] * a[9]) + (b[11] * a[13]);
  output[13] =
      (b[12] * a[1]) + (b[13] * a[5]) + (b[14] * a[9]) + (b[15] * a[13]);
  output[2] = (b[0] * a[2]) + (b[1] * a[6]) + (b[2] * a[10]) + (b[3] * a[14]);
  output[6] = (b[4] * a[2]) + (b[5] * a[6]) + (b[6] * a[10]) + (b[7] * a[14]);
  output[10] =
      (b[8] * a[2]) + (b[9] * a[6]) + (b[10] * a[10]) + (b[11] * a[14]);
  output[14] =
      (b[12] * a[2]) + (b[13] * a[6]) + (b[14] * a[10]) + (b[15] * a[14]);
  output[3] = (b[0] * a[3]) + (b[1] * a[7]) + (b[2] * a[11]) + (b[3] * a[15]);
  output[7] = (b[4] * a[3]) + (b[5] * a[7]) + (b[6] * a[11]) + (b[7] * a[15]);
  output[11] =
      (b[8] * a[3]) + (b[9] * a[7]) + (b[10] * a[11]) + (b[11] * a[15]);
  output[15] =
      (b[12] * a[3]) + (b[13] * a[7]) + (b[14] * a[11]) + (b[15] * a[15]);
}


x86 assembly (clang, -O0):
<matrix_multiply>:
push   %rbp
mov    %rsp,%rbp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
mov    -0x10(%rbp),%rax
movsd  (%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  (%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x8(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x20(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x10(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x40(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x18(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x60(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,(%rax)
mov    -0x10(%rbp),%rax
movsd  0x20(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  (%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x28(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x20(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x30(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x40(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x38(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x60(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x20(%rax)
mov    -0x10(%rbp),%rax
movsd  0x40(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  (%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x48(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x20(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x50(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x40(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x58(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x60(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x40(%rax)
mov    -0x10(%rbp),%rax
movsd  0x60(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  (%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x68(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x20(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x70(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x40(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x78(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x60(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x60(%rax)
mov    -0x10(%rbp),%rax
movsd  (%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x8(%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x8(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x28(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x10(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x48(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x18(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x68(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x8(%rax)
mov    -0x10(%rbp),%rax
movsd  0x20(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x8(%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x28(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x28(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x30(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x48(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x38(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x68(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x28(%rax)
mov    -0x10(%rbp),%rax
movsd  0x40(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x8(%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x48(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x28(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x50(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x48(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x58(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x68(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x48(%rax)
mov    -0x10(%rbp),%rax
movsd  0x60(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x8(%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x68(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x28(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x70(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x48(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x78(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x68(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x68(%rax)
mov    -0x10(%rbp),%rax
movsd  (%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x10(%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x8(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x30(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x10(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x50(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x18(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x70(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x10(%rax)
mov    -0x10(%rbp),%rax
movsd  0x20(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x10(%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x28(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x30(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x30(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x50(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x38(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x70(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x30(%rax)
mov    -0x10(%rbp),%rax
movsd  0x40(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x10(%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x48(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x30(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x50(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x50(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x58(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x70(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x50(%rax)
mov    -0x10(%rbp),%rax
movsd  0x60(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x10(%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x68(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x30(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x70(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x50(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x78(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x70(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x70(%rax)
mov    -0x10(%rbp),%rax
movsd  (%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x18(%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x8(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x38(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x10(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x58(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x18(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x78(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x18(%rax)
mov    -0x10(%rbp),%rax
movsd  0x20(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x18(%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x28(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x38(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x30(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x58(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x38(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x78(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x38(%rax)
mov    -0x10(%rbp),%rax
movsd  0x40(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x18(%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x48(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x38(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x50(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x58(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x58(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x78(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x58(%rax)
mov    -0x10(%rbp),%rax
movsd  0x60(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x18(%rax),%xmm2
mov    -0x10(%rbp),%rax
movsd  0x68(%rax),%xmm1
mov    -0x8(%rbp),%rax
mulsd  0x38(%rax),%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x10(%rbp),%rax
movsd  0x70(%rax),%xmm1
mov    -0x8(%rbp),%rax
movsd  0x58(%rax),%xmm2
mulsd  %xmm2,%xmm1
addsd  %xmm0,%xmm1
mov    -0x10(%rbp),%rax
movsd  0x78(%rax),%xmm0
mov    -0x8(%rbp),%rax
movsd  0x78(%rax),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x78(%rax)
pop    %rbp
ret

x86 assembly (clang, -O2):
<matrix_multiply>:
movsd  (%rsi),%xmm0
movsd  0x8(%rsi),%xmm1
mulsd  0x20(%rdi),%xmm1
mulsd  (%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x10(%rsi),%xmm1
mulsd  0x40(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x18(%rsi),%xmm0
mulsd  0x60(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,(%rdx)
movsd  0x20(%rsi),%xmm0
movsd  0x28(%rsi),%xmm1
mulsd  0x20(%rdi),%xmm1
mulsd  (%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x30(%rsi),%xmm1
mulsd  0x40(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x38(%rsi),%xmm0
mulsd  0x60(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x20(%rdx)
movsd  0x40(%rsi),%xmm0
movsd  0x48(%rsi),%xmm1
mulsd  0x20(%rdi),%xmm1
mulsd  (%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x50(%rsi),%xmm1
mulsd  0x40(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x58(%rsi),%xmm0
mulsd  0x60(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x40(%rdx)
movsd  0x60(%rsi),%xmm0
movsd  0x68(%rsi),%xmm1
mulsd  0x20(%rdi),%xmm1
mulsd  (%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x70(%rsi),%xmm1
mulsd  0x40(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x78(%rsi),%xmm0
mulsd  0x60(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x60(%rdx)
movsd  (%rsi),%xmm0
movsd  0x8(%rsi),%xmm1
mulsd  0x28(%rdi),%xmm1
mulsd  0x8(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x10(%rsi),%xmm1
mulsd  0x48(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x18(%rsi),%xmm0
mulsd  0x68(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x8(%rdx)
movsd  0x20(%rsi),%xmm0
movsd  0x28(%rsi),%xmm1
mulsd  0x28(%rdi),%xmm1
mulsd  0x8(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x30(%rsi),%xmm1
mulsd  0x48(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x38(%rsi),%xmm0
mulsd  0x68(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x28(%rdx)
movsd  0x40(%rsi),%xmm0
movsd  0x48(%rsi),%xmm1
mulsd  0x28(%rdi),%xmm1
mulsd  0x8(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x50(%rsi),%xmm1
mulsd  0x48(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x58(%rsi),%xmm0
mulsd  0x68(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x48(%rdx)
movsd  0x60(%rsi),%xmm0
movsd  0x68(%rsi),%xmm1
mulsd  0x28(%rdi),%xmm1
mulsd  0x8(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x70(%rsi),%xmm1
mulsd  0x48(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x78(%rsi),%xmm0
mulsd  0x68(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x68(%rdx)
movsd  (%rsi),%xmm0
movsd  0x8(%rsi),%xmm1
mulsd  0x30(%rdi),%xmm1
mulsd  0x10(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x10(%rsi),%xmm1
mulsd  0x50(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x18(%rsi),%xmm0
mulsd  0x70(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x10(%rdx)
movsd  0x20(%rsi),%xmm0
movsd  0x28(%rsi),%xmm1
mulsd  0x30(%rdi),%xmm1
mulsd  0x10(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x30(%rsi),%xmm1
mulsd  0x50(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x38(%rsi),%xmm0
mulsd  0x70(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x30(%rdx)
movsd  0x40(%rsi),%xmm0
movsd  0x48(%rsi),%xmm1
mulsd  0x30(%rdi),%xmm1
mulsd  0x10(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x50(%rsi),%xmm1
mulsd  0x50(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x58(%rsi),%xmm0
mulsd  0x70(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x50(%rdx)
movsd  0x60(%rsi),%xmm0
movsd  0x68(%rsi),%xmm1
mulsd  0x30(%rdi),%xmm1
mulsd  0x10(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x70(%rsi),%xmm1
mulsd  0x50(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x78(%rsi),%xmm0
mulsd  0x70(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x70(%rdx)
movsd  (%rsi),%xmm0
movsd  0x8(%rsi),%xmm1
mulsd  0x38(%rdi),%xmm1
mulsd  0x18(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x10(%rsi),%xmm1
mulsd  0x58(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x18(%rsi),%xmm0
mulsd  0x78(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x18(%rdx)
movsd  0x20(%rsi),%xmm0
movsd  0x28(%rsi),%xmm1
mulsd  0x38(%rdi),%xmm1
mulsd  0x18(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x30(%rsi),%xmm1
mulsd  0x58(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x38(%rsi),%xmm0
mulsd  0x78(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x38(%rdx)
movsd  0x40(%rsi),%xmm0
movsd  0x48(%rsi),%xmm1
mulsd  0x38(%rdi),%xmm1
mulsd  0x18(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x50(%rsi),%xmm1
mulsd  0x58(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x58(%rsi),%xmm0
mulsd  0x78(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x58(%rdx)
movsd  0x60(%rsi),%xmm0
movsd  0x68(%rsi),%xmm1
mulsd  0x38(%rdi),%xmm1
mulsd  0x18(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  0x70(%rsi),%xmm1
mulsd  0x58(%rdi),%xmm1
addsd  %xmm0,%xmm1
movsd  0x78(%rsi),%xmm0
mulsd  0x78(%rdi),%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,0x78(%rdx)
ret

LLVM IR (-O0):
define void @matrix_multiply(double* %0, double* %1, double* %2) {
%4 = alloca double*
%5 = alloca double*
%6 = alloca double*
store double* %0, double** %4
store double* %1, double** %5
store double* %2, double** %6
%7 = load double*, double** %5
%8 = getelementptr inbounds double, double* %7, i64 0
%9 = load double, double* %8
%10 = load double*, double** %4
%11 = getelementptr inbounds double, double* %10, i64 0
%12 = load double, double* %11
%13 = load double*, double** %5
%14 = getelementptr inbounds double, double* %13, i64 1
%15 = load double, double* %14
%16 = load double*, double** %4
%17 = getelementptr inbounds double, double* %16, i64 4
%18 = load double, double* %17
%19 = fmul double %15, %18
%20 = call double @llvm.fmuladd.f64(double %9, double %12, double %19)
%21 = load double*, double** %5
%22 = getelementptr inbounds double, double* %21, i64 2
%23 = load double, double* %22
%24 = load double*, double** %4
%25 = getelementptr inbounds double, double* %24, i64 8
%26 = load double, double* %25
%27 = call double @llvm.fmuladd.f64(double %23, double %26, double %20)
%28 = load double*, double** %5
%29 = getelementptr inbounds double, double* %28, i64 3
%30 = load double, double* %29
%31 = load double*, double** %4
%32 = getelementptr inbounds double, double* %31, i64 12
%33 = load double, double* %32
%34 = call double @llvm.fmuladd.f64(double %30, double %33, double %27)
%35 = load double*, double** %6
%36 = getelementptr inbounds double, double* %35, i64 0
store double %34, double* %36
%37 = load double*, double** %5
%38 = getelementptr inbounds double, double* %37, i64 4
%39 = load double, double* %38
%40 = load double*, double** %4
%41 = getelementptr inbounds double, double* %40, i64 0
%42 = load double, double* %41
%43 = load double*, double** %5
%44 = getelementptr inbounds double, double* %43, i64 5
%45 = load double, double* %44
%46 = load double*, double** %4
%47 = getelementptr inbounds double, double* %46, i64 4
%48 = load double, double* %47
%49 = fmul double %45, %48
%50 = call double @llvm.fmuladd.f64(double %39, double %42, double %49)
%51 = load double*, double** %5
%52 = getelementptr inbounds double, double* %51, i64 6
%53 = load double, double* %52
%54 = load double*, double** %4
%55 = getelementptr inbounds double, double* %54, i64 8
%56 = load double, double* %55
%57 = call double @llvm.fmuladd.f64(double %53, double %56, double %50)
%58 = load double*, double** %5
%59 = getelementptr inbounds double, double* %58, i64 7
%60 = load double, double* %59
%61 = load double*, double** %4
%62 = getelementptr inbounds double, double* %61, i64 12
%63 = load double, double* %62
%64 = call double @llvm.fmuladd.f64(double %60, double %63, double %57)
%65 = load double*, double** %6
%66 = getelementptr inbounds double, double* %65, i64 4
store double %64, double* %66
%67 = load double*, double** %5
%68 = getelementptr inbounds double, double* %67, i64 8
%69 = load double, double* %68
%70 = load double*, double** %4
%71 = getelementptr inbounds double, double* %70, i64 0
%72 = load double, double* %71
%73 = load double*, double** %5
%74 = getelementptr inbounds double, double* %73, i64 9
%75 = load double, double* %74
%76 = load double*, double** %4
%77 = getelementptr inbounds double, double* %76, i64 4
%78 = load double, double* %77
%79 = fmul double %75, %78
%80 = call double @llvm.fmuladd.f64(double %69, double %72, double %79)
%81 = load double*, double** %5
%82 = getelementptr inbounds double, double* %81, i64 10
%83 = load double, double* %82
%84 = load double*, double** %4
%85 = getelementptr inbounds double, double* %84, i64 8
%86 = load double, double* %85
%87 = call double @llvm.fmuladd.f64(double %83, double %86, double %80)
%88 = load double*, double** %5
%89 = getelementptr inbounds double, double* %88, i64 11
%90 = load double, double* %89
%91 = load double*, double** %4
%92 = getelementptr inbounds double, double* %91, i64 12
%93 = load double, double* %92
%94 = call double @llvm.fmuladd.f64(double %90, double %93, double %87)
%95 = load double*, double** %6
%96 = getelementptr inbounds double, double* %95, i64 8
store double %94, double* %96
%97 = load double*, double** %5
%98 = getelementptr inbounds double, double* %97, i64 12
%99 = load double, double* %98
%100 = load double*, double** %4
%101 = getelementptr inbounds double, double* %100, i64 0
%102 = load double, double* %101
%103 = load double*, double** %5
%104 = getelementptr inbounds double, double* %103, i64 13
%105 = load double, double* %104
%106 = load double*, double** %4
%107 = getelementptr inbounds double, double* %106, i64 4
%108 = load double, double* %107
%109 = fmul double %105, %108
%110 = call double @llvm.fmuladd.f64(double %99, double %102, double %109)
%111 = load double*, double** %5
%112 = getelementptr inbounds double, double* %111, i64 14
%113 = load double, double* %112
%114 = load double*, double** %4
%115 = getelementptr inbounds double, double* %114, i64 8
%116 = load double, double* %115
%117 = call double @llvm.fmuladd.f64(double %113, double %116, double %110)
%118 = load double*, double** %5
%119 = getelementptr inbounds double, double* %118, i64 15
%120 = load double, double* %119
%121 = load double*, double** %4
%122 = getelementptr inbounds double, double* %121, i64 12
%123 = load double, double* %122
%124 = call double @llvm.fmuladd.f64(double %120, double %123, double %117)
%125 = load double*, double** %6
%126 = getelementptr inbounds double, double* %125, i64 12
store double %124, double* %126
%127 = load double*, double** %5
%128 = getelementptr inbounds double, double* %127, i64 0
%129 = load double, double* %128
%130 = load double*, double** %4
%131 = getelementptr inbounds double, double* %130, i64 1
%132 = load double, double* %131
%133 = load double*, double** %5
%134 = getelementptr inbounds double, double* %133, i64 1
%135 = load double, double* %134
%136 = load double*, double** %4
%137 = getelementptr inbounds double, double* %136, i64 5
%138 = load double, double* %137
%139 = fmul double %135, %138
%140 = call double @llvm.fmuladd.f64(double %129, double %132, double %139)
%141 = load double*, double** %5
%142 = getelementptr inbounds double, double* %141, i64 2
%143 = load double, double* %142
%144 = load double*, double** %4
%145 = getelementptr inbounds double, double* %144, i64 9
%146 = load double, double* %145
%147 = call double @llvm.fmuladd.f64(double %143, double %146, double %140)
%148 = load double*, double** %5
%149 = getelementptr inbounds double, double* %148, i64 3
%150 = load double, double* %149
%151 = load double*, double** %4
%152 = getelementptr inbounds double, double* %151, i64 13
%153 = load double, double* %152
%154 = call double @llvm.fmuladd.f64(double %150, double %153, double %147)
%155 = load double*, double** %6
%156 = getelementptr inbounds double, double* %155, i64 1
store double %154, double* %156
%157 = load double*, double** %5
%158 = getelementptr inbounds double, double* %157, i64 4
%159 = load double, double* %158
%160 = load double*, double** %4
%161 = getelementptr inbounds double, double* %160, i64 1
%162 = load double, double* %161
%163 = load double*, double** %5
%164 = getelementptr inbounds double, double* %163, i64 5
%165 = load double, double* %164
%166 = load double*, double** %4
%167 = getelementptr inbounds double, double* %166, i64 5
%168 = load double, double* %167
%169 = fmul double %165, %168
%170 = call double @llvm.fmuladd.f64(double %159, double %162, double %169)
%171 = load double*, double** %5
%172 = getelementptr inbounds double, double* %171, i64 6
%173 = load double, double* %172
%174 = load double*, double** %4
%175 = getelementptr inbounds double, double* %174, i64 9
%176 = load double, double* %175
%177 = call double @llvm.fmuladd.f64(double %173, double %176, double %170)
%178 = load double*, double** %5
%179 = getelementptr inbounds double, double* %178, i64 7
%180 = load double, double* %179
%181 = load double*, double** %4
%182 = getelementptr inbounds double, double* %181, i64 13
%183 = load double, double* %182
%184 = call double @llvm.fmuladd.f64(double %180, double %183, double %177)
%185 = load double*, double** %6
%186 = getelementptr inbounds double, double* %185, i64 5
store double %184, double* %186
%187 = load double*, double** %5
%188 = getelementptr inbounds double, double* %187, i64 8
%189 = load double, double* %188
%190 = load double*, double** %4
%191 = getelementptr inbounds double, double* %190, i64 1
%192 = load double, double* %191
%193 = load double*, double** %5
%194 = getelementptr inbounds double, double* %193, i64 9
%195 = load double, double* %194
%196 = load double*, double** %4
%197 = getelementptr inbounds double, double* %196, i64 5
%198 = load double, double* %197
%199 = fmul double %195, %198
%200 = call double @llvm.fmuladd.f64(double %189, double %192, double %199)
%201 = load double*, double** %5
%202 = getelementptr inbounds double, double* %201, i64 10
%203 = load double, double* %202
%204 = load double*, double** %4
%205 = getelementptr inbounds double, double* %204, i64 9
%206 = load double, double* %205
%207 = call double @llvm.fmuladd.f64(double %203, double %206, double %200)
%208 = load double*, double** %5
%209 = getelementptr inbounds double, double* %208, i64 11
%210 = load double, double* %209
%211 = load double*, double** %4
%212 = getelementptr inbounds double, double* %211, i64 13
%213 = load double, double* %212
%214 = call double @llvm.fmuladd.f64(double %210, double %213, double %207)
%215 = load double*, double** %6
%216 = getelementptr inbounds double, double* %215, i64 9
store double %214, double* %216
%217 = load double*, double** %5
%218 = getelementptr inbounds double, double* %217, i64 12
%219 = load double, double* %218
%220 = load double*, double** %4
%221 = getelementptr inbounds double, double* %220, i64 1
%222 = load double, double* %221
%223 = load double*, double** %5
%224 = getelementptr inbounds double, double* %223, i64 13
%225 = load double, double* %224
%226 = load double*, double** %4
%227 = getelementptr inbounds double, double* %226, i64 5
%228 = load double, double* %227
%229 = fmul double %225, %228
%230 = call double @llvm.fmuladd.f64(double %219, double %222, double %229)
%231 = load double*, double** %5
%232 = getelementptr inbounds double, double* %231, i64 14
%233 = load double, double* %232
%234 = load double*, double** %4
%235 = getelementptr inbounds double, double* %234, i64 9
%236 = load double, double* %235
%237 = call double @llvm.fmuladd.f64(double %233, double %236, double %230)
%238 = load double*, double** %5
%239 = getelementptr inbounds double, double* %238, i64 15
%240 = load double, double* %239
%241 = load double*, double** %4
%242 = getelementptr inbounds double, double* %241, i64 13
%243 = load double, double* %242
%244 = call double @llvm.fmuladd.f64(double %240, double %243, double %237)
%245 = load double*, double** %6
%246 = getelementptr inbounds double, double* %245, i64 13
store double %244, double* %246
%247 = load double*, double** %5
%248 = getelementptr inbounds double, double* %247, i64 0
%249 = load double, double* %248
%250 = load double*, double** %4
%251 = getelementptr inbounds double, double* %250, i64 2
%252 = load double, double* %251
%253 = load double*, double** %5
%254 = getelementptr inbounds double, double* %253, i64 1
%255 = load double, double* %254
%256 = load double*, double** %4
%257 = getelementptr inbounds double, double* %256, i64 6
%258 = load double, double* %257
%259 = fmul double %255, %258
%260 = call double @llvm.fmuladd.f64(double %249, double %252, double %259)
%261 = load double*, double** %5
%262 = getelementptr inbounds double, double* %261, i64 2
%263 = load double, double* %262
%264 = load double*, double** %4
%265 = getelementptr inbounds double, double* %264, i64 10
%266 = load double, double* %265
%267 = call double @llvm.fmuladd.f64(double %263, double %266, double %260)
%268 = load double*, double** %5
%269 = getelementptr inbounds double, double* %268, i64 3
%270 = load double, double* %269
%271 = load double*, double** %4
%272 = getelementptr inbounds double, double* %271, i64 14
%273 = load double, double* %272
%274 = call double @llvm.fmuladd.f64(double %270, double %273, double %267)
%275 = load double*, double** %6
%276 = getelementptr inbounds double, double* %275, i64 2
store double %274, double* %276
%277 = load double*, double** %5
%278 = getelementptr inbounds double, double* %277, i64 4
%279 = load double, double* %278
%280 = load double*, double** %4
%281 = getelementptr inbounds double, double* %280, i64 2
%282 = load double, double* %281
%283 = load double*, double** %5
%284 = getelementptr inbounds double, double* %283, i64 5
%285 = load double, double* %284
%286 = load double*, double** %4
%287 = getelementptr inbounds double, double* %286, i64 6
%288 = load double, double* %287
%289 = fmul double %285, %288
%290 = call double @llvm.fmuladd.f64(double %279, double %282, double %289)
%291 = load double*, double** %5
%292 = getelementptr inbounds double, double* %291, i64 6
%293 = load double, double* %292
%294 = load double*, double** %4
%295 = getelementptr inbounds double, double* %294, i64 10
%296 = load double, double* %295
%297 = call double @llvm.fmuladd.f64(double %293, double %296, double %290)
%298 = load double*, double** %5
%299 = getelementptr inbounds double, double* %298, i64 7
%300 = load double, double* %299
%301 = load double*, double** %4
%302 = getelementptr inbounds double, double* %301, i64 14
%303 = load double, double* %302
%304 = call double @llvm.fmuladd.f64(double %300, double %303, double %297)
%305 = load double*, double** %6
%306 = getelementptr inbounds double, double* %305, i64 6
store double %304, double* %306
%307 = load double*, double** %5
%308 = getelementptr inbounds double, double* %307, i64 8
%309 = load double, double* %308
%310 = load double*, double** %4
%311 = getelementptr inbounds double, double* %310, i64 2
%312 = load double, double* %311
%313 = load double*, double** %5
%314 = getelementptr inbounds double, double* %313, i64 9
%315 = load double, double* %314
%316 = load double*, double** %4
%317 = getelementptr inbounds double, double* %316, i64 6
%318 = load double, double* %317
%319 = fmul double %315, %318
%320 = call double @llvm.fmuladd.f64(double %309, double %312, double %319)
%321 = load double*, double** %5
%322 = getelementptr inbounds double, double* %321, i64 10
%323 = load double, double* %322
%324 = load double*, double** %4
%325 = getelementptr inbounds double, double* %324, i64 10
%326 = load double, double* %325
%327 = call double @llvm.fmuladd.f64(double %323, double %326, double %320)
%328 = load double*, double** %5
%329 = getelementptr inbounds double, double* %328, i64 11
%330 = load double, double* %329
%331 = load double*, double** %4
%332 = getelementptr inbounds double, double* %331, i64 14
%333 = load double, double* %332
%334 = call double @llvm.fmuladd.f64(double %330, double %333, double %327)
%335 = load double*, double** %6
%336 = getelementptr inbounds double, double* %335, i64 10
store double %334, double* %336
%337 = load double*, double** %5
%338 = getelementptr inbounds double, double* %337, i64 12
%339 = load double, double* %338
%340 = load double*, double** %4
%341 = getelementptr inbounds double, double* %340, i64 2
%342 = load double, double* %341
%343 = load double*, double** %5
%344 = getelementptr inbounds double, double* %343, i64 13
%345 = load double, double* %344
%346 = load double*, double** %4
%347 = getelementptr inbounds double, double* %346, i64 6
%348 = load double, double* %347
%349 = fmul double %345, %348
%350 = call double @llvm.fmuladd.f64(double %339, double %342, double %349)
%351 = load double*, double** %5
%352 = getelementptr inbounds double, double* %351, i64 14
%353 = load double, double* %352
%354 = load double*, double** %4
%355 = getelementptr inbounds double, double* %354, i64 10
%356 = load double, double* %355
%357 = call double @llvm.fmuladd.f64(double %353, double %356, double %350)
%358 = load double*, double** %5
%359 = getelementptr inbounds double, double* %358, i64 15
%360 = load double, double* %359
%361 = load double*, double** %4
%362 = getelementptr inbounds double, double* %361, i64 14
%363 = load double, double* %362
%364 = call double @llvm.fmuladd.f64(double %360, double %363, double %357)
%365 = load double*, double** %6
%366 = getelementptr inbounds double, double* %365, i64 14
store double %364, double* %366
%367 = load double*, double** %5
%368 = getelementptr inbounds double, double* %367, i64 0
%369 = load double, double* %368
%370 = load double*, double** %4
%371 = getelementptr inbounds double, double* %370, i64 3
%372 = load double, double* %371
%373 = load double*, double** %5
%374 = getelementptr inbounds double, double* %373, i64 1
%375 = load double, double* %374
%376 = load double*, double** %4
%377 = getelementptr inbounds double, double* %376, i64 7
%378 = load double, double* %377
%379 = fmul double %375, %378
%380 = call double @llvm.fmuladd.f64(double %369, double %372, double %379)
%381 = load double*, double** %5
%382 = getelementptr inbounds double, double* %381, i64 2
%383 = load double, double* %382
%384 = load double*, double** %4
%385 = getelementptr inbounds double, double* %384, i64 11
%386 = load double, double* %385
%387 = call double @llvm.fmuladd.f64(double %383, double %386, double %380)
%388 = load double*, double** %5
%389 = getelementptr inbounds double, double* %388, i64 3
%390 = load double, double* %389
%391 = load double*, double** %4
%392 = getelementptr inbounds double, double* %391, i64 15
%393 = load double, double* %392
%394 = call double @llvm.fmuladd.f64(double %390, double %393, double %387)
%395 = load double*, double** %6
%396 = getelementptr inbounds double, double* %395, i64 3
store double %394, double* %396
%397 = load double*, double** %5
%398 = getelementptr inbounds double, double* %397, i64 4
%399 = load double, double* %398
%400 = load double*, double** %4
%401 = getelementptr inbounds double, double* %400, i64 3
%402 = load double, double* %401
%403 = load double*, double** %5
%404 = getelementptr inbounds double, double* %403, i64 5
%405 = load double, double* %404
%406 = load double*, double** %4
%407 = getelementptr inbounds double, double* %406, i64 7
%408 = load double, double* %407
%409 = fmul double %405, %408
%410 = call double @llvm.fmuladd.f64(double %399, double %402, double %409)
%411 = load double*, double** %5
%412 = getelementptr inbounds double, double* %411, i64 6
%413 = load double, double* %412
%414 = load double*, double** %4
%415 = getelementptr inbounds double, double* %414, i64 11
%416 = load double, double* %415
%417 = call double @llvm.fmuladd.f64(double %413, double %416, double %410)
%418 = load double*, double** %5
%419 = getelementptr inbounds double, double* %418, i64 7
%420 = load double, double* %419
%421 = load double*, double** %4
%422 = getelementptr inbounds double, double* %421, i64 15
%423 = load double, double* %422
%424 = call double @llvm.fmuladd.f64(double %420, double %423, double %417)
%425 = load double*, double** %6
%426 = getelementptr inbounds double, double* %425, i64 7
store double %424, double* %426
%427 = load double*, double** %5
%428 = getelementptr inbounds double, double* %427, i64 8
%429 = load double, double* %428
%430 = load double*, double** %4
%431 = getelementptr inbounds double, double* %430, i64 3
%432 = load double, double* %431
%433 = load double*, double** %5
%434 = getelementptr inbounds double, double* %433, i64 9
%435 = load double, double* %434
%436 = load double*, double** %4
%437 = getelementptr inbounds double, double* %436, i64 7
%438 = load double, double* %437
%439 = fmul double %435, %438
%440 = call double @llvm.fmuladd.f64(double %429, double %432, double %439)
%441 = load double*, double** %5
%442 = getelementptr inbounds double, double* %441, i64 10
%443 = load double, double* %442
%444 = load double*, double** %4
%445 = getelementptr inbounds double, double* %444, i64 11
%446 = load double, double* %445
%447 = call double @llvm.fmuladd.f64(double %443, double %446, double %440)
%448 = load double*, double** %5
%449 = getelementptr inbounds double, double* %448, i64 11
%450 = load double, double* %449
%451 = load double*, double** %4
%452 = getelementptr inbounds double, double* %451, i64 15
%453 = load double, double* %452
%454 = call double @llvm.fmuladd.f64(double %450, double %453, double %447)
%455 = load double*, double** %6
%456 = getelementptr inbounds double, double* %455, i64 11
store double %454, double* %456
%457 = load double*, double** %5
%458 = getelementptr inbounds double, double* %457, i64 12
%459 = load double, double* %458
%460 = load double*, double** %4
%461 = getelementptr inbounds double, double* %460, i64 3
%462 = load double, double* %461
%463 = load double*, double** %5
%464 = getelementptr inbounds double, double* %463, i64 13
%465 = load double, double* %464
%466 = load double*, double** %4
%467 = getelementptr inbounds double, double* %466, i64 7
%468 = load double, double* %467
%469 = fmul double %465, %468
%470 = call double @llvm.fmuladd.f64(double %459, double %462, double %469)
%471 = load double*, double** %5
%472 = getelementptr inbounds double, double* %471, i64 14
%473 = load double, double* %472
%474 = load double*, double** %4
%475 = getelementptr inbounds double, double* %474, i64 11
%476 = load double, double* %475
%477 = call double @llvm.fmuladd.f64(double %473, double %476, double %470)
%478 = load double*, double** %5
%479 = getelementptr inbounds double, double* %478, i64 15
%480 = load double, double* %479
%481 = load double*, double** %4
%482 = getelementptr inbounds double, double* %481, i64 15
%483 = load double, double* %482
%484 = call double @llvm.fmuladd.f64(double %480, double %483, double %477)
%485 = load double*, double** %6
%486 = getelementptr inbounds double, double* %485, i64 15
store double %484, double* %486
ret void
}

LLVM IR (-O2):
define void @matrix_multiply(double* nocapture %0, double* nocapture %1, double* nocapture writeonly %2) {
%4 = load double, double* %1
%5 = load double, double* %0
%6 = getelementptr inbounds double, double* %1, i64 1
%7 = load double, double* %6
%8 = getelementptr inbounds double, double* %0, i64 4
%9 = load double, double* %8
%10 = fmul double %7, %9
%11 = tail call double @llvm.fmuladd.f64(double %4, double %5, double %10)
%12 = getelementptr inbounds double, double* %1, i64 2
%13 = load double, double* %12
%14 = getelementptr inbounds double, double* %0, i64 8
%15 = load double, double* %14
%16 = tail call double @llvm.fmuladd.f64(double %13, double %15, double %11)
%17 = getelementptr inbounds double, double* %1, i64 3
%18 = load double, double* %17
%19 = getelementptr inbounds double, double* %0, i64 12
%20 = load double, double* %19
%21 = tail call double @llvm.fmuladd.f64(double %18, double %20, double %16)
store double %21, double* %2
%22 = getelementptr inbounds double, double* %1, i64 4
%23 = load double, double* %22
%24 = load double, double* %0
%25 = getelementptr inbounds double, double* %1, i64 5
%26 = load double, double* %25
%27 = load double, double* %8
%28 = fmul double %26, %27
%29 = tail call double @llvm.fmuladd.f64(double %23, double %24, double %28)
%30 = getelementptr inbounds double, double* %1, i64 6
%31 = load double, double* %30
%32 = load double, double* %14
%33 = tail call double @llvm.fmuladd.f64(double %31, double %32, double %29)
%34 = getelementptr inbounds double, double* %1, i64 7
%35 = load double, double* %34
%36 = load double, double* %19
%37 = tail call double @llvm.fmuladd.f64(double %35, double %36, double %33)
%38 = getelementptr inbounds double, double* %2, i64 4
store double %37, double* %38
%39 = getelementptr inbounds double, double* %1, i64 8
%40 = load double, double* %39
%41 = load double, double* %0
%42 = getelementptr inbounds double, double* %1, i64 9
%43 = load double, double* %42
%44 = load double, double* %8
%45 = fmul double %43, %44
%46 = tail call double @llvm.fmuladd.f64(double %40, double %41, double %45)
%47 = getelementptr inbounds double, double* %1, i64 10
%48 = load double, double* %47
%49 = load double, double* %14
%50 = tail call double @llvm.fmuladd.f64(double %48, double %49, double %46)
%51 = getelementptr inbounds double, double* %1, i64 11
%52 = load double, double* %51
%53 = load double, double* %19
%54 = tail call double @llvm.fmuladd.f64(double %52, double %53, double %50)
%55 = getelementptr inbounds double, double* %2, i64 8
store double %54, double* %55
%56 = getelementptr inbounds double, double* %1, i64 12
%57 = load double, double* %56
%58 = load double, double* %0
%59 = getelementptr inbounds double, double* %1, i64 13
%60 = load double, double* %59
%61 = load double, double* %8
%62 = fmul double %60, %61
%63 = tail call double @llvm.fmuladd.f64(double %57, double %58, double %62)
%64 = getelementptr inbounds double, double* %1, i64 14
%65 = load double, double* %64
%66 = load double, double* %14
%67 = tail call double @llvm.fmuladd.f64(double %65, double %66, double %63)
%68 = getelementptr inbounds double, double* %1, i64 15
%69 = load double, double* %68
%70 = load double, double* %19
%71 = tail call double @llvm.fmuladd.f64(double %69, double %70, double %67)
%72 = getelementptr inbounds double, double* %2, i64 12
store double %71, double* %72
%73 = load double, double* %1
%74 = getelementptr inbounds double, double* %0, i64 1
%75 = load double, double* %74
%76 = load double, double* %6
%77 = getelementptr inbounds double, double* %0, i64 5
%78 = load double, double* %77
%79 = fmul double %76, %78
%80 = tail call double @llvm.fmuladd.f64(double %73, double %75, double %79)
%81 = load double, double* %12
%82 = getelementptr inbounds double, double* %0, i64 9
%83 = load double, double* %82
%84 = tail call double @llvm.fmuladd.f64(double %81, double %83, double %80)
%85 = load double, double* %17
%86 = getelementptr inbounds double, double* %0, i64 13
%87 = load double, double* %86
%88 = tail call double @llvm.fmuladd.f64(double %85, double %87, double %84)
%89 = getelementptr inbounds double, double* %2, i64 1
store double %88, double* %89
%90 = load double, double* %22
%91 = load double, double* %74
%92 = load double, double* %25
%93 = load double, double* %77
%94 = fmul double %92, %93
%95 = tail call double @llvm.fmuladd.f64(double %90, double %91, double %94)
%96 = load double, double* %30
%97 = load double, double* %82
%98 = tail call double @llvm.fmuladd.f64(double %96, double %97, double %95)
%99 = load double, double* %34
%100 = load double, double* %86
%101 = tail call double @llvm.fmuladd.f64(double %99, double %100, double %98)
%102 = getelementptr inbounds double, double* %2, i64 5
store double %101, double* %102
%103 = load double, double* %39
%104 = load double, double* %74
%105 = load double, double* %42
%106 = load double, double* %77
%107 = fmul double %105, %106
%108 = tail call double @llvm.fmuladd.f64(double %103, double %104, double %107)
%109 = load double, double* %47
%110 = load double, double* %82
%111 = tail call double @llvm.fmuladd.f64(double %109, double %110, double %108)
%112 = load double, double* %51
%113 = load double, double* %86
%114 = tail call double @llvm.fmuladd.f64(double %112, double %113, double %111)
%115 = getelementptr inbounds double, double* %2, i64 9
store double %114, double* %115
%116 = load double, double* %56
%117 = load double, double* %74
%118 = load double, double* %59
%119 = load double, double* %77
%120 = fmul double %118, %119
%121 = tail call double @llvm.fmuladd.f64(double %116, double %117, double %120)
%122 = load double, double* %64
%123 = load double, double* %82
%124 = tail call double @llvm.fmuladd.f64(double %122, double %123, double %121)
%125 = load double, double* %68
%126 = load double, double* %86
%127 = tail call double @llvm.fmuladd.f64(double %125, double %126, double %124)
%128 = getelementptr inbounds double, double* %2, i64 13
store double %127, double* %128
%129 = load double, double* %1
%130 = getelementptr inbounds double, double* %0, i64 2
%131 = load double, double* %130
%132 = load double, double* %6
%133 = getelementptr inbounds double, double* %0, i64 6
%134 = load double, double* %133
%135 = fmul double %132, %134
%136 = tail call double @llvm.fmuladd.f64(double %129, double %131, double %135)
%137 = load double, double* %12
%138 = getelementptr inbounds double, double* %0, i64 10
%139 = load double, double* %138
%140 = tail call double @llvm.fmuladd.f64(double %137, double %139, double %136)
%141 = load double, double* %17
%142 = getelementptr inbounds double, double* %0, i64 14
%143 = load double, double* %142
%144 = tail call double @llvm.fmuladd.f64(double %141, double %143, double %140)
%145 = getelementptr inbounds double, double* %2, i64 2
store double %144, double* %145
%146 = load double, double* %22
%147 = load double, double* %130
%148 = load double, double* %25
%149 = load double, double* %133
%150 = fmul double %148, %149
%151 = tail call double @llvm.fmuladd.f64(double %146, double %147, double %150)
%152 = load double, double* %30
%153 = load double, double* %138
%154 = tail call double @llvm.fmuladd.f64(double %152, double %153, double %151)
%155 = load double, double* %34
%156 = load double, double* %142
%157 = tail call double @llvm.fmuladd.f64(double %155, double %156, double %154)
%158 = getelementptr inbounds double, double* %2, i64 6
store double %157, double* %158
%159 = load double, double* %39
%160 = load double, double* %130
%161 = load double, double* %42
%162 = load double, double* %133
%163 = fmul double %161, %162
%164 = tail call double @llvm.fmuladd.f64(double %159, double %160, double %163)
%165 = load double, double* %47
%166 = load double, double* %138
%167 = tail call double @llvm.fmuladd.f64(double %165, double %166, double %164)
%168 = load double, double* %51
%169 = load double, double* %142
%170 = tail call double @llvm.fmuladd.f64(double %168, double %169, double %167)
%171 = getelementptr inbounds double, double* %2, i64 10
store double %170, double* %171
%172 = load double, double* %56
%173 = load double, double* %130
%174 = load double, double* %59
%175 = load double, double* %133
%176 = fmul double %174, %175
%177 = tail call double @llvm.fmuladd.f64(double %172, double %173, double %176)
%178 = load double, double* %64
%179 = load double, double* %138
%180 = tail call double @llvm.fmuladd.f64(double %178, double %179, double %177)
%181 = load double, double* %68
%182 = load double, double* %142
%183 = tail call double @llvm.fmuladd.f64(double %181, double %182, double %180)
%184 = getelementptr inbounds double, double* %2, i64 14
store double %183, double* %184
%185 = load double, double* %1
%186 = getelementptr inbounds double, double* %0, i64 3
%187 = load double, double* %186
%188 = load double, double* %6
%189 = getelementptr inbounds double, double* %0, i64 7
%190 = load double, double* %189
%191 = fmul double %188, %190
%192 = tail call double @llvm.fmuladd.f64(double %185, double %187, double %191)
%193 = load double, double* %12
%194 = getelementptr inbounds double, double* %0, i64 11
%195 = load double, double* %194
%196 = tail call double @llvm.fmuladd.f64(double %193, double %195, double %192)
%197 = load double, double* %17
%198 = getelementptr inbounds double, double* %0, i64 15
%199 = load double, double* %198
%200 = tail call double @llvm.fmuladd.f64(double %197, double %199, double %196)
%201 = getelementptr inbounds double, double* %2, i64 3
store double %200, double* %201
%202 = load double, double* %22
%203 = load double, double* %186
%204 = load double, double* %25
%205 = load double, double* %189
%206 = fmul double %204, %205
%207 = tail call double @llvm.fmuladd.f64(double %202, double %203, double %206)
%208 = load double, double* %30
%209 = load double, double* %194
%210 = tail call double @llvm.fmuladd.f64(double %208, double %209, double %207)
%211 = load double, double* %34
%212 = load double, double* %198
%213 = tail call double @llvm.fmuladd.f64(double %211, double %212, double %210)
%214 = getelementptr inbounds double, double* %2, i64 7
store double %213, double* %214
%215 = load double, double* %39
%216 = load double, double* %186
%217 = load double, double* %42
%218 = load double, double* %189
%219 = fmul double %217, %218
%220 = tail call double @llvm.fmuladd.f64(double %215, double %216, double %219)
%221 = load double, double* %47
%222 = load double, double* %194
%223 = tail call double @llvm.fmuladd.f64(double %221, double %222, double %220)
%224 = load double, double* %51
%225 = load double, double* %198
%226 = tail call double @llvm.fmuladd.f64(double %224, double %225, double %223)
%227 = getelementptr inbounds double, double* %2, i64 11
store double %226, double* %227
%228 = load double, double* %56
%229 = load double, double* %186
%230 = load double, double* %59
%231 = load double, double* %189
%232 = fmul double %230, %231
%233 = tail call double @llvm.fmuladd.f64(double %228, double %229, double %232)
%234 = load double, double* %64
%235 = load double, double* %194
%236 = tail call double @llvm.fmuladd.f64(double %234, double %235, double %233)
%237 = load double, double* %68
%238 = load double, double* %198
%239 = tail call double @llvm.fmuladd.f64(double %237, double %238, double %236)
%240 = getelementptr inbounds double, double* %2, i64 15
store double %239, double* %240
ret void
}