ref: bb95002c2d47ab00764a183c200c7fd9ecb3c12a 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