Lightbeam fibonacci generated code before and after #12

lightbeam-fib-comparison

push rbp                                      | push    rbp
mov  rbp,                 rsp                 | mov     rbp,                 rsp
sub  rsp,                 0x20                | sub     rsp,                 0x10
mov  edx,                 1                   | mov     qword ptr [rsp + 8], rdi
xor  eax,                 eax                 | mov     eax,                 0
cmp  esi,                 2                   | push    rax
setb al                                       | mov     rax,                 qword ptr [rsp + 0x10]
test eax,                 eax                 | push    rax
je   0x2d                                     | pop     rax
jmp  0x8e                                     | pop     rcx
mov  edx,                 1                   | xor     rdx,                 rdx
mov  rax,                 rsi                 | cmp     ecx,                 eax
add  eax,                 0xffffffff          | sete    dl
mov  qword ptr [rsp + 8], rsi                 | push    rdx
mov  qword ptr [rsp],     rdx                 | pop     rax
mov  rsi,                 rax                 | test    eax,                 eax
call 0                                        | je      0x4d
add  eax,                 dword ptr [rsp]     | mov     eax,                 1
mov  rdx,                 rax                 | push    rax
mov  rax,                 qword ptr [rsp + 8] | jmp     0xf4
add  eax,                 0xfffffffe          | mov     eax,                 1
mov  rsi,                 rax                 | push    rax
xor  r10d,                r10d                | mov     rax,                 qword ptr [rsp + 0x10]
cmp  eax,                 1                   | push    rax
seta r10b                                     | pop     rax
test r10d,                r10d                | pop     rcx
je   0x8e                                     | xor     rdx,                 rdx
jmp  0x33                                     | cmp     ecx,                 eax
mov  rax,                 rdx                 | sete    dl
mov  rsp,                 rbp                 | push    rdx
pop  rbp                                      | pop     rax
ret                                           | test    eax,                 eax
                                              | je      0x87
                                              | mov     eax,                 1
                                              | push    rax
                                              | jmp     0xf4
                                              | mov     rax,                 qword ptr [rsp + 8]
                                              | push    rax
                                              | mov     eax,                 0xffffffff
                                              | push    rax
                                              | pop     rcx
                                              | add     ecx,                 eax
                                              | push    rcx
                                              | pop     rdi
                                              | sub     rsp,                 0
                                              | call    0
                                              | add     rsp,                 0
                                              | push    rax
                                              | mov     rax,                 qword ptr [rsp + 0x10]
                                              | push    rax
                                              | mov     eax,                 0xfffffffe
                                              | push    rax
                                              | pop     rax
                                              | pop     rcx
                                              | add     ecx,                 eax
                                              | push    rcx
                                              | pop     rdi
                                              | sub     rsp,                 0
                                              | call    0
                                              | add     rsp,                 0
                                              | push    rax
                                              | pop     rax
                                              | pop     rcx
                                              | add     ecx,                 eax
                                              | push    rcx
                                              | pop     rax
                                              | mov     rsp,                 rbp
                                              | pop     rbp
                                              | ret