ref: 0c435d84b17c1ead071b16e67fdc711f4871995c dir: /sys/src/libc/amd64/muldiv.s/
TEXT umuldiv(SB), $0 MOVL RARG, AX MULL b+8(FP) DIVL c+16(FP) RET TEXT muldiv(SB), $0 MOVL RARG, AX IMULL b+8(FP) IDIVL c+16(FP) RET END