发明名称 |
GENERATING COMPILED CODE THAT INDICATES REGISTER LIVENESS |
摘要 |
Object code is generated from an internal representation that includes a plurality of source operands. The generating includes performing for each source operand in the internal representation determining whether a last use has occurred for the source operand. The determining includes accessing a data flow graph to determine whether all uses of a live range have been emitted. If it is determined that a last use has occurred for the source operand, an architected resource associated with the source operand is marked for last-use indication. A last-use indication is then generated for the architected resource. Instructions and the last-use indications are emitted into the object code. |
申请公布号 |
US2013086548(A1) |
申请公布日期 |
2013.04.04 |
申请号 |
US201213664595 |
申请日期 |
2012.10.31 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION;INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
GSCHWIND MICHAEL K.;SALAPURA VALENTINA |
分类号 |
G06F9/44;G06F9/45 |
主分类号 |
G06F9/44 |
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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