ref: 4308f6e7e6586e3a27aa46c4d54c434b8533b16d
dir: /sys/src/libc/arm/vlop.s/
TEXT _mulv(SB), 1, $0 MOVW 4(FP),R8 /* l0 */ MOVW 8(FP),R11 /* h0 */ MOVW 12(FP),R4 /* l1 */ MOVW 16(FP),R5 /* h1 */ MULLU R8,R4,(R6, R7) /* l0*l1 */ MUL R8,R5,R5 /* l0*h1 */ MUL R11,R4,R4 /* h0*l1 */ ADD R4,R6 ADD R5,R6 MOVW R6,4(R0) MOVW R7,0(R0) RET