Linux x32 Support Brewing For Clang/Compiler-RT
Written by Michael Larabel in Compiler on 22 August 2013 at 08:44 AM EDT. 19 Comments
Compiler
Improvements for LLVM's support of the Linux x32 ABI is set to improve with some work-in-progress patches for the Clang C/C++ compiler front-end and Compiler-RT runtime library.

Steven Newbury has been working on a complete Gentoo Linux desktop system running on the Linux x32 ABI -- bringing x86_64 benefits to more like a 32-bit world. As part of this Gentoo x32 work, Newbury has published some early Clang/Compiler-RT patches to improve the x32 handling and build upon the LLVM x32 code that was merged last year.

The new LLVM x32 ABI code isn't yet complete and ready for merging, but it's moving in that direction. While the x32 ABI is a technologically interesting project, there still hasn't been much adoption (or interest) of this Linux ABI that's supported by the Linux kernel, GCC, glibc, GDB, and other key system components.
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Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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