ref: f8935b5778397074d41a48205e5c7f87d7b531fe
dir: purgatorio/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