655 #define COPY_4V( DST, SRC )         \  argument
657    (DST)[0] = (SRC)[0];             \
658    (DST)[1] = (SRC)[1];             \
659    (DST)[2] = (SRC)[2];             \
660    (DST)[3] = (SRC)[3];             \
666 #define COPY_4FV( DST, SRC )  COPY_4V(DST, SRC)  argument
671 #define ASSIGN_4V( DST, V0, V1, V2, V3 ) \  argument
673    (DST)[0] = (V0);                      \
674    (DST)[1] = (V1);                      \
675    (DST)[2] = (V2);                      \
676    (DST)[3] = (V3);                      \