fighting against an open source monopoly. [LWN.net]

fighting against an open source monopoly.

Posted Oct 25, 2007 18:03 UTC (Thu) by bboissin (subscriber, #29506)
In reply to: fighting against an open source monopoly. by nix
Parent article: A potential competitor for GCC: pcc

Some regalloc and out-of-SSA algorithms are already patented.

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fighting against an open source monopoly.

Posted Oct 25, 2007 21:27 UTC (Thu) by nix (subscriber, #2304) [Link]

Oh yes, register allocation and graph colouring is a patent minefield, but 
hopefully IBM is helping there...

fighting against an open source monopoly.

Posted Oct 31, 2007 19:36 UTC (Wed) by im14u2c (subscriber, #5246) [Link]

As are certain instruction scheduling techniques, such as various techniques in and around
software pipelining, predicated (conditional execution) and so on.  These techniques are
important to superscalar processors, especially (but not certainly not limited to) VLIW / EPIC
style processors.  

(Full disclosure:  I'm named an inventor on two such issued patents.  Take that as you will.)