Code outlining without trampolines

Details Code outlining without trampolines Code outlining without trampolines

2005-10-17

2010-06-08

Zhen, Wei Y (Department: 2191)

Data processing: software development, installation, and managem

Software program development tool

Translation of code

C717S155000, C717S162000

Reexamination Certificate

active

07735074

ABSTRACT:
A system and method for optimizing compiler performance including outlining cold code at link time, rather than compile time, such that trampolines are not required. Branch instructions connecting a hot block to a cold block can be converted from a short branch distance limit to a longer branch distance limit, further optimizing code performance. Editors, implementing a plurality of windows that can be maintained for each function, can display the maximum distance that code blocks can be safely outlined. Other implementations allow the optimal placement of code that is significantly greater in size than the maximum possible branch distance.

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Rajat P. Garg, et al., “Techniques for Optimizing Applications: High Performance Computing”, Jul. 25, 2001, Prentice Hall, Chpater 7, section “Linking Overview”.

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