-----11011-,VL,OP_SETVL,RA_OR_ZERO,NONE,NONE,RT_OR_ZERO,NONE,CR0,0,0,ZERO,0,NONE,0,0,0,0,0,0,RC_ONLY,0,0,setvl,SVL,,1,unofficial until submitted and approved/renumbered by the opf isa wg
-----101001,VL,OP_SVINDEX,NONE,NONE,NONE,NONE,NONE,NONE,0,0,ZERO,0,NONE,0,0,0,0,0,0,NONE,0,0,svindex,SVI,,1,unofficial until submitted and approved/renumbered by the opf isa wg
-----111001,VL,OP_SVREMAP,NONE,NONE,NONE,NONE,NONE,NONE,0,0,ZERO,0,NONE,0,0,0,0,0,0,NONE,0,0,svremap,SVRM,,1,unofficial until submitted and approved/renumbered by the opf isa wg
------10011-,VL,OP_SVSTEP,NONE,NONE,NONE,RT,NONE,CR0,0,0,ZERO,0,NONE,0,0,0,0,0,0,RC_ONLY,0,0,svstep,SVL,,1,unofficial until submitted and approved/renumbered by the opf isa wg
+-----10011-,VL,OP_SVSTEP,RA_OR_ZERO,NONE,NONE,RT,NONE,CR0,0,0,ZERO,0,NONE,0,0,0,0,0,0,RC_ONLY,0,0,svstep,SVL,,1,unofficial until submitted and approved/renumbered by the opf isa wg
# svshape svshape2 fit same space, using 4-bits 21-24. svshape2 takes up two 4-bit patterns.
# bit 25 is "vf" in svshape, and "sk" in svshape2 hence the "-" in between, in "NNNN-011001"
0000-011001,VL,OP_SVSHAPE,NONE,NONE,NONE,NONE,NONE,NONE,0,0,ZERO,0,NONE,0,0,0,0,0,0,NONE,0,0,svshape,SVM,,1,unofficial until submitted and approved/renumbered by the opf isa wg