[bits 16]
push 0		; 6A 00 - equivalent to push byte 0
push byte 0	; 6A 00
push word 0	; 6A 00 - optimized
push dword 0	; 66 6A 00 - optimized
push strict byte 0	; 6A 00
push strict word 0	; 68 0000
push strict dword 0	; 66 68 00000000
push 128	; 68 8000 - doesn't fit in byte, equivalent to push word 128
push byte 128	; 6A 80 - warning (signed overflow)
push word 128	; 68 8000
push dword 128	; 66 68 80000000
push strict byte 128	; 6A 80 - warning (signed overflow)
push strict word 128	; 68 8000
push strict dword 128	; 66 68 80000000

[bits 32]
push 0		; 6A 00 - equivalent to push byte 0
push byte 0	; 6A 00
push word 0	; 66 6A 00 - optimized
push dword 0	; 6A 00 - optimized
push strict byte 0	; 6A 00
push strict word 0	; 66 68 0000
push strict dword 0	; 68 00000000
push 128	; 68 80000000 - doesn't fit in byte -> push dword 128
push byte 128	; 6A 80 - warning (signed overflow)
push word 128	; 66 6A 8000
push dword 128	; 6A 80000000
push strict byte 128	; 6A 80 - warning (signed overflow)
push strict word 128	; 66 6A 8000
push strict dword 128	; 6A 80000000

[bits 64]
push 0		; same as bits 32 output
push byte 0	; 6A 00; 64 bits pushed onto stack
push word 0	; 66 6A 00 - 66h prefix, optimized to byte
push dword 0	; 6A 00 - optimized to byte; note 64 bits pushed onto stack
push strict byte 0	; 6A 00; 64 bits pushed onto stack
push strict word 0	; 66 68 0000
push strict dword 0	; 68 00000000; note 64 bits pushed onto stack
push 128
push byte 128	; warning
push word 128
push dword 128
push strict byte 128	; warning
push strict word 128
push strict dword 128