Cray CRAY-1 - Page 100

003xjx
Transmit (Sj)
to vector mask
This instruction enters the vector mask (VM) register with the contents
of
Sj. The VM register is cleared if the j designator is zero. This
instruction is used in conjunction with the vector merge instructions
(146 and 147) in which an operation is performed depending on the
contents of
VM.
Hold
issue conditions
034 - 037 in process
Exchange in process
Sj reserved
003
in process -
unit busy 3 CPs
14x in process -
unit
busy
(VL)
+ 4 CPs
175
in
process - unit
busy
(VL)
+ 4 CPs
Execution time
Instruction issue 1 CP
VM ready in 3 CPs except for use in 073 instruction
For 073 instruction, VM ready in 6 CPs
Special cases
(
Sj) = 0 i f j = 0
2240004
4-14 E