fma.asm

 2005..=2049 => {
 lea     ecx, [rax, -, 2005]
 cmp     cx, 45
 jae     .LBB39_13
 let t = decimal_year - 2000_f64;
 vaddsd  xmm1, xmm0, qword, ptr, [rip, +, .LCPI39_10]
 0.005_589f64.mul_add(t * t, 0.32217f64.mul_add(t, 62.92))
 vmulsd  xmm2, xmm1, xmm1
 vmovsd  xmm0, qword, ptr, [rip, +, .LCPI39_11]
     vfmadd213sd xmm0, xmm1, qword, ptr, [rip, +, .LCPI39_12]
     vfmadd231sd xmm0, xmm2, qword, ptr, [rip, +, .LCPI39_13]
 }
 add     rsp, 56
 ret

haswell.asm

 2005..=2049 => {
 lea     ecx, [rax, -, 2005]
 cmp     cx, 45
 jae     .LBB39_13
 let t = decimal_year - 2000_f64;
 addsd   xmm0, qword, ptr, [rip, +, .LCPI39_10]
 0.005_589f64.mul_add(t * t, 0.32217f64.mul_add(t, 62.92))
 movapd  xmm1, xmm0
 mulsd   xmm1, xmm0
 movsd   qword, ptr, [rsp, +, 8], xmm1
 movsd   xmm1, qword, ptr, [rip, +, .LCPI39_11]
 movsd   xmm2, qword, ptr, [rip, +, .LCPI39_12]
 mov     rbx, qword, ptr, [rip, +, fma@GOTPCREL]
     call    rbx
     movapd  xmm2, xmm0
     movsd   xmm1, qword, ptr, [rip, +, .LCPI39_13]
     movsd   xmm0, qword, ptr, [rsp, +, 8]
     mov     rax, rbx
     add     rsp, 64
     pop     rbx
     jmp     rax