ref: aa2b5bc0e721fb6c9d0c99e488c6ee93b72067a4 dir: /sys/src/libc/386/muldiv.s/
TEXT umuldiv(SB), $0 MOVL a+0(FP), AX MULL b+4(FP) DIVL c+8(FP) RET TEXT muldiv(SB), $0 MOVL a+0(FP), AX IMULL b+4(FP) IDIVL c+8(FP) RET END