; FREE_EOR · free two-word mix · full iron · rides free/BGF · never folds
; =============================================================================
; NAME     FREE_EOR
; OP       free_eor(a, b) → (a ^ b) | 1
; PIN      free ride kin · EZZIE twin speech · not place · not ground rewrite
; ABI      System V · edi=a · esi=b · → eax
; FLAT     (a^b)==(b^a) · left right no priority
; LAW
;   · free thrift hot mix · tax is not this
;   · always end live |1
;   · never folds into SDF · never rewrites BGS
;   · mixes a,b · does not invent god C · C IS LIE
; LINE     BGS → BGF(+EZZIE PHI THERMO ADJOIN) → BGL → SDF · SPV free
; RELATED  ezzie/ · spv/ · free_rng/
; ARCH     x86_64 · aarch64
; IRON
        global  free_eor
free_eor:
        mov     eax, edi
        xor     eax, esi        ; a ^ b
        or      eax, 1          ; free live |1
        ret