ref: e3ad3d6968f4fd4cbb325e081ac9027d24f01316
dir: /sys/src/ape/lib/ap/68020/vlop.s/
TEXT _mulv(SB), $0 MOVL r+0(FP), A0 MOVL a+8(FP), R0 WORD $0x4c2f WORD $0x0401 WORD $0x0014 /* * MULUL b+16(FP), R0:R1 * philw made me do it! */ MOVL a+4(FP), R2 MULUL b+16(FP), R2 ADDL R2, R1 MOVL a+8(FP), R2 MULUL b+12(FP), R2 ADDL R2, R1 MOVL R1, (A0)+ MOVL R0, (A0) RTS