Itanium(R) processor topicClear RRB Instruction

clrrrb

Operation Font Conventions

Instruction Type B

Format

clrrrb all_form

clrrrb.pr pred_form


Description

In the all_form, the register rename base registers (CFM.rrb.gr, CFM.rrb.fr, and CFM.rrb.pr) are cleared. In the pred_form, the single register rename base register for the predicates (CFM.rrb.pr) is cleared.

This instruction must be the last instruction in an instruction group, or an Illegal Operation fault is taken.

This instruction cannot be predicated.