DragonEgg Starts Cracking In LLVM

Written by Michael Larabel in LLVM on 29 April 2015 at 08:29 AM EDT. 1 Comment
Going back to the earlier days of LLVM has been the DragonEgg plug-in. DragonEgg is a GCC plug-in that implements LLVM's optimizers and code generators within GCC. With Clang becoming suitable for day-to-day use on large production workloads and GCC also improving, the benefits of DragonEgg have greatly diminished.

With LLVM/Clang being capable of compiling most production workloads out there directly and doing a good job at it, DragonEgg isn't too useful and with GCC also making significant improvements the last few years. Over Clang and it just supporting C/C++/Objective-C, one of the appreciable goals of DragonEgg with using LLVM as a GCC back-end was the push to support all of GCC languages. Unfortunately that wasn't fully realized either with the only "extra" languages being Ada and Fortran. DragonEgg could also compile a fair amount of GCC's Go language implementation while the DragonEgg'ed Java code would compile but not execute.

DragonEgg hasn't seen a release now since LLVM 3.3 and as of yesterday DragonEgg was dropped from the release script, which probably makes seeing a new release of this GCC plug-in unlikely. Those wishing to reminisce over DragonEgg can visit dragonegg.llvm.org.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.

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