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What's Coming Up For GCC 4.7

Compiler

Published on 15 August 2011 07:29 AM EDT
Written by Michael Larabel in Compiler
3 Comments

GCC 4.6 was released back in March with various Intel hardware optimizations, initial AVX (Advanced Vector Extensions) support, Google Go programming support, new optimization paths, and a number of other new features. While not yet ready for release, version 4.7 of the GNU Compiler Collection is also collecting a number of highlights. This is also good news seeing yesterday's news about C++0x.

For those interested in the upcoming C++0x support, which has been worked on now for several GCC releases, there continues to be greater support with the 4.7 code-base. GCC 4.7 has improved experimental support for the C++0x ISO standard. C++0x was just approved by the ISO and will likely be known properly as C++11.

There's also other improvements in GCC 4.7 for ADA, C, C++, Fortran, and the libstdc++ run-time library.

For those dealing with multi-threaded code, GCC 4.7 comes with support for OpenMP 3.1. OpenMP 3.1 is supported by GCC 4.7 for C, C++, and Fortran compilers.

A number of old systems/targets have been obseleted from GCC's code-base as well, and they will be removed with GCC 4.8 unless work on them is restored. Targets include IRIS 6.5, MIPS OpenBSD, Solaris 8, and Tru64 UNIX v5.1. In GCC 4.7, support has been removed for NetWare x86 and Unix International Threads on Solaris 2 along with the Solaris BSD Compatibility Package.

New to GCC 4.7 is support for Texas Instruments C6X processors along with some PowerPC architecture improvements. However, at this time, there aren't any major target-specific improvements. We're still waiting to see optimizations for AMD Fusion Llnx/Llano hardware, among other recent CPUs.

The current change-log for GCC 4.7 can be found on this GNU.org web-page.

About The Author
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 and or contacted via .
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