公开(公告)号：US09489204B2

公开(公告)日：2016-11-08

申请号：US13842835

申请日：2013-03-15

Applicant: QUALCOMM Incorporated

Inventor： Jiajin Tu ,  Suresh K. Venkumahanti ,  Brian R. Mestan

IPC: G06F9/38 ,  G06F9/32

CPC classification number: G06F9/3804 ,  G06F9/324 ,  G06F9/3806 ,  G06F9/3812 ,  G06F9/3846 ,  G06F9/3861

Abstract: An example method of storing a partial target address in an instruction cache includes receiving a branch instruction. The method also includes predicting a direction of the branch instruction as being not taken. The method further includes calculating a destination address based on executing the branch instruction. The method also includes determining a partial target address using the destination address. The method further includes in response to the predicted direction of the branch instruction changing from not taken to taken, replacing an offset in an instruction cache with the partial target address.

Abstract translation: 将部分目标地址存储在指令高速缓存中的示例性方法包括接收分支指令。 该方法还包括预测不采用分支指令的方向。 该方法还包括基于执行分支指令来计算目的地地址。 该方法还包括使用目的地址确定部分目标地址。 该方法还包括响应于从未被采取的转移指令的预测方向改变而取代指令高速缓存中的偏移与部分目标地址。

公开(公告)号：US20140281440A1

公开(公告)日：2014-09-18

申请号：US13842835

申请日：2013-03-15

Applicant: QUALCOMM INCORPORATED

Inventor： Jiajin Tu ,  Suresh K. Venkumahanti ,  Brian R. Mestan

IPC: G06F9/38

CPC classification number: G06F9/3804 ,  G06F9/324 ,  G06F9/3806 ,  G06F9/3812 ,  G06F9/3846 ,  G06F9/3861

Abstract: An example method of storing a partial target address in an instruction cache includes receiving a branch instruction. The method also includes predicting a direction of the branch instruction as being not taken. The method further includes calculating a destination address based on executing the branch instruction. The method also includes determining a partial target address using the destination address. The method further includes in response to the predicted direction of the branch instruction changing from not taken to taken, replacing an offset in an instruction cache with the partial target address.

Abstract translation: 将部分目标地址存储在指令高速缓存中的示例性方法包括接收分支指令。 该方法还包括预测不采用分支指令的方向。 该方法还包括基于执行分支指令来计算目的地地址。 该方法还包括使用目的地址确定部分目标地址。 该方法进一步包括响应于从未被采取的分支指令的预测方向改变，替换部分目标地址的指令高速缓存中的偏移。