Re: Register Spilling

Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
20 Dec 2003 11:44:56 -0500

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Related articles
Register Spilling muj20@cam.ac.uk (umar) (2003-12-13)
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Re: Register Spilling falk.hueffner@student.uni-tuebingen.de (Falk Hueffner) (2003-12-20)
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From: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
Newsgroups: comp.compilers
Date: 20 Dec 2003 11:44:56 -0500
Organization: T-Online
References: 03-12-088
Keywords: registers, optimize
Posted-Date: 20 Dec 2003 11:44:56 EST

umar <muj20@cam.ac.uk> writes:


> Once the decision to spill certain pseudo register values has been
> taken during register allocation, on what further criteria, are
> these pseudo values put on the stack/memory.


Some architectures, like SuperH, support only memory accesses with
very small immediate offsets to the base pointer; therefore, it is
important to find a layout which minimizes these offsets. See for
example:


Naveen Sharma and Sanjiv Kumar Gupta.
Optimal Stack Slot Assignment in GCC.
In proceedings of the GCC Developers Summit, 2003.


http://www.linux.org.uk/~ajh/gcc/gccsummit-2003-proceedings.pdf


--
Falk

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