ref: 3d9e9827c1dd49eb1df3abce9736cddeb9368b9c 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