ref: 45a25abc3e2070ce0bdaaa76e786b8343839ece6
dir: /sys/src/libc/mips/vlop.s/
TEXT _mulv(SB), $0 MOVW 8(FP), R2 MOVW 4(FP), R3 MOVW 16(FP), R4 MOVW 12(FP), R5 MULU R4, R2 MOVW LO, R6 MOVW HI, R7 MULU R3, R4 MOVW LO, R8 ADDU R8, R7 MULU R2, R5 MOVW LO, R8 ADDU R8, R7 MOVW R6, 4(R1) MOVW R7, 0(R1) RET