ref: da7d6df6faf18e289fe0f3f61524dcc7fddeef18
dir: /libkern/vlop-spim.s/
TEXT _mulv(SB), $0 MOVW 4(FP), R2 MOVW 8(FP), R3 MOVW 12(FP), R4 MOVW 16(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, 0(R1) MOVW R7, 4(R1) RET