发明名称 |
Method, apparatus and system for accessing a global promotion facility through execution of a branch-type instruction |
摘要 |
A multiprocessor data processing system includes first and second processors coupled to an interconnect and to a global promotion facility containing at least one promotion bit field. The first processor initiates execution of a branch-type instruction to request acquisition of a promotion bit field exclusive of at least the second processor. In response to the branch-type instruction, the first processor issues an access request to acquire the promotion bit field. After the accessing request, a register of the first processor receives a register bit indicating whether or not the promotion bit field was successfully acquired by the access request. As a part of executing the branch-type instruction, the first processor selects among a first execution path and a second execution path in response to the register bit.
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申请公布号 |
US2004073734(A1) |
申请公布日期 |
2004.04.15 |
申请号 |
US20020268742 |
申请日期 |
2002.10.10 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
ARIMILLI RAVI KUMAR;WILLIAMS DEREK EDWARD |
分类号 |
G06F9/30;G06F9/32;G06F12/00;G06F12/08;G06F12/14;G06F13/14;G06F15/163;(IPC1-7):G06F12/00 |
主分类号 |
G06F9/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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