发明名称 |
Method and system for compressing reduced instruction set computer (RISC) executable code through instruction set expansion |
摘要 |
A compression scheme is disclosed for program executables that run on Reduced Instruction Set Computer (RISC) processors, such as the PowerPC architecture. The RISC instruction set is expanded by adding opcodes to produce code that facilitates the removal of redundant fields. To compress a program, a compressor engine rewrites the executable using the new expanded instruction set. Next, a filter is applied to remove the redundant fields from the expanded instructions. A conventional compression technique such as Huffman encoding is then applied on the resulting code.
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申请公布号 |
US6195743(B1) |
申请公布日期 |
2001.02.27 |
申请号 |
US19990239260 |
申请日期 |
1999.01.29 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
ELNOZAHY ELMOOTAZBELLAH |
分类号 |
G06F5/00;G06F9/30;G06F9/318;(IPC1-7):G06F5/00 |
主分类号 |
G06F5/00 |
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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