ref: 8bb05d8ca955ed85c7028d74371f1d23ce66a800
dir: /tests/cmp.s/
/* : tests ; watch -e 'cmp.s$' 'mk 6.cmp && ./6.cmp; echo $status' */ /* if x < y then y - x > 0, no sign flag intel manual says destination operand - source operand 9front comparision operators make the usage more english-like For, CMP x,y; JGT greater can be read as compare x and y; if x > y, goto greater check tests/cmp.s for tests */ TEXT main+0(SB),0,$16 MOVQ $20, BX MOVQ $30, AX CMPQ AX, BX /* if AX < BX then BX - AX > 0, no sign flag */ JGT .true MOVQ $falsemsg(SB), BP JMP .exit .true: MOVQ $truemsg(SB), BP .exit: CALL _exits+0(SB) RET DATA truemsg+0(SB)/5, $"true\z" GLOBL truemsg(SB), $5 DATA falsemsg+0(SB)/6, $"false\z" GLOBL falsemsg(SB), $6 END