Patent ID: 11960893
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 5:
6. The method of claim 1, wherein determining whether the branch instruction hits in the second type branch instruction prefetch table comprises:
determining an index for the second type branch instruction prefetch table by hashing a first portion of the branch instruction with an information vector;
reading one or more tag bits from one or more Ways corresponding to the determined index in the second type branch instruction prefetch table;
determining whether the one or more tag bits read from the one or more Ways in the second type branch instruction prefetch table matches tag bits from the branch instruction; and
determining, in response to one or more tag bits read from the one or more Ways in the second type branch instruction prefetch table matching the tag bits from the branch instruction, that there is a hit in the second type branch instruction prefetch table.