864 #define COPY_4V( DST, SRC )         \  argument
866    (DST)[0] = (SRC)[0];             \
867    (DST)[1] = (SRC)[1];             \
868    (DST)[2] = (SRC)[2];             \
869    (DST)[3] = (SRC)[3];             \
875 #define COPY_4FV( DST, SRC )  COPY_4V(DST, SRC)  argument
880 #define ASSIGN_4V( DST, V0, V1, V2, V3 ) \  argument
882    (DST)[0] = (V0);                      \
883    (DST)[1] = (V1);                      \
884    (DST)[2] = (V2);                      \
885    (DST)[3] = (V3);                      \