Advanced Register Allocation Techniques
Live Range Splitting: This technique involves splitting the live range of a variable to allow better register utilization. For instance, a variable might be kept in a register during its critical usage period and spilled to memory when not critical.
Jul 3, 2024
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The task of the register allocator is to map these temporary registers to real registers and memory locations. In the text, we shall be abbreviating temporary ...
Dec 29, 2020 · There are three popular Register allocation algorithms . Naive Register Allocation; Linear Scan Algorithm; Chaitin's Algorithm. These are ...
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We will study two commonly used techniques: – register allocation by graph coloring, which is relatively slow but produces very good results,. – linear scan ...
Oct 12, 2008 · In this survey we describe different strategies that compilers use to perform register allocation, and we study the different tradeoffs involved ...
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Nov 11, 2020 · We describe a new register allocation algorithm with lightweight implementation characteristics. The algorithm introduces a `future-active' set for values that ...
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Register allocation in computer science refers to the process of determining which values should be stored in hardware registers during compilation.
Register allocation is an extensively studied problem. Graph- coloring based algorithms are the dominant technique for performing global register allocation.
Jan 24, 2022 · Register allocation is an NP-complete problem. However, this problem can be reduced to graph coloring to achieve allocation and assignment.
We describe a new algorithm for fast global register allocation called linear scan. This algorithm is not based on graph coloring, but allocates registers ...