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Compiler News Archives

GCC 4.6 Leaves Stage 1 With New Features

Novell's Richard Guenther has just announced that GCC 4.6.0 has now left stage one of development and has immediately entered the third stage. This means no new features or other major work aside from bug-fixes will be accepted into this next major release of the GNU Compiler Collection.
3 November 2010 - Plus San Diego Reminder - 5 Comments

GCC 2010 Summit Presentations Now Online

For those interested in compilers, particularly GCC, or are interested in some technical slides to look over this weekend, the presentations from the 2010 GNU Compiler Collection Summit are now available online.
29 October 2010 - Plus A New GCC Framework - 10 Comments

LLVM's Clang Is Onto Building The Linux Kernel

In February of this year the Clang C/C++ compiler for LLVM hit the milestone of self-hosting itself after Clang's C support was declared production ready (with the recently released LLVM 2.8, the C++ support is now deemed feature-complete) just last October. In April another achievement was reached for LLVM/Clang and that was building much of FreeBSD's base operating system. Today another milestone has been hit and that's building the Linux kernel for Debian to the point that it's functional and can run the X.Org Server both on bare metal and this can also be done within a QEMU virtualized environment.
26 October 2010 - A Kernel That Works With X - 12 Comments

LLVM's DragonEgg 2.8 Released For GCC

Only one week has passed since the release of LLVM 2.8, but out today is version 2.8 of DragonEgg. For those out of the loop, DragonEgg is a GCC plug-in for GCC 4.5 and later that replaces the optimizers and code generations from GCC with that of those from the Low-Level Virtual Machine.
12 October 2010 - GCC-LLVM Plug-In - 2 Comments

LLVM 2.8 Released With Feature-Complete Clang C++

Chris Lattner has just announced the release of version 2.8 of LLVM, the Low-Level Virtual Machine. LLVM 2.8 is only being released about six months after the release of LLVM 2.7, but it boasts many notable changes, including the Clang compiler offering feature-complete C++ support against the ISO C++ 1998 and 2003 standards.
6 October 2010 - New Compiler Release - 26 Comments

GCC 4.4.5 Brings Bug-Fixes

While GCC 4.5 has been around since this past April, if you are still living with GCC 4.4 for whatever reason (like being hit with a massive performance regression), you may be pleased to know that on this Sunday afternoon there is the GCC 4.4.5 release that's now available. GCC 4.4.5 was delayed a bit, but it's here and offers up bug-fixes but no major new features.
3 October 2010 - Nothing Too Exciting - 6 Comments

Is Apple Now Blocking Contributions To GCC?

Yesterday on the mailing list for GCC is was brought up if Apple's Objective-C 2.0 patches for the GNU Compiler Collection could be merged back into the upstream GCC code-base as maintained by the Free Software Foundation. Even though Apple's modified GCC sources still reflect the FSF as the copyright holder and are licensed under the GNU GPLv2+, it doesn't look like Apple wants their compiler work going back upstream any longer.
10 September 2010 - Not Contributing Back - 111 Comments

GCC 4.5.1 Released; GCC 4.5.2 Is Up Next

Just as expected, GCC 4.5.1 was released today thereby meeting their target of releasing this point update to the GNU Compiler Collection prior to August. GCC 4.5.1 targets regressions and other bugs since the release of GCC 4.5.0 in mid-April.
31 July 2010 - GNU Compiler Collection - 2 Comments

GCC 4.5.1 RC1 Released; Final Due By August

Richard Guenther of Novell has just announced the first release candidate for GCC 4.5.1, which will be the first point release following the April release of GCC 4.5.0.
22 July 2010 - Branch Frozen - 13 Comments

GPU Drivers, Crocodile Petting Zoos & LLVMpipe

Zack Rusin has written a new blog post where he compares writing free software graphics drivers to running a crocodile petting zoo and wireless bungee jumping.
2 July 2010 - Zack Rusin's Post - 6 Comments

Mozilla Spots Massive Performance Regression In GCC

Mozilla developers on the GCC mailing list have been expressing what they describe as a "massive performance regression" and "what might be the biggest compiler-upgrade-related performance difference we've seen at Mozilla." The Mozilla developers have upgraded from GCC 4.3 to GCC 4.5, which was released in April, and now they are experiencing massive slowdowns.
25 June 2010 - GCC 4.5 - 10 Comments

GCC Can Now Be Worked On In C++

The Free Software Foundation and GCC Steering Committee have now decided that it's okay and permitted to write code for the GNU Compiler Collection (GCC) within C++. Up to this point, C has been the preferred language for working on GCC.
30 May 2010 - With Old Code Too - 28 Comments

Intel Core 2, Core i7 Optimizations For GCC 4.6

CodeSourcery, a company that works on GCC for various companies like with Texas Instruments for bringing the GNU Toolchain to new CPUs and also offers their own software development environment, has shared their intentions to provide a new set of GCC optimizations for Intel's Core 2 and Core i7 processors.
20 May 2010 - Intel Sponsors It - 17 Comments

LLVM Replaces libstdc++ Library With libc++

The LLVM compiler infrastructure project has Clang as a compiler front-end to compile C, Objective-C, and C++ programs as an alternative to GCC. However, the Low-Level Virtual Machine is now doing more and replacing bigger portions of the GCC tool-chain with new components. The LLVM project has introduced libc++ as a replacement for the GNU libstdc++ standard library.
16 May 2010 - New C++ Library - 103 Comments

GCC 4.4.4 Is Being Uploaded For Release

This month marked the release of GCC 4.5.0 and LLVM 2.7 with updates to the Clang compiler too, but the month is not over in the free software compiler world. Jakub Jelinek of Red Hat is uploading the GCC 4.4.4 packages right now for its release.
30 April 2010 - New GCC Release

LLVM 2.7 Makes Its Debut With Many Features

Last week we compared LLVM and Clang against GCC following the release of GCC 4.5 and found the newer compiler infrastructure that's sponsored by Apple to not perform as well as the GNU Compiler Collection in a number of areas at this time, but today LLVM 2.7 is out. Version 2.7 of the Low-Level Virtual Machine brings forward many improvements to both core LLVM itself and the Clang compiler front-end.
27 April 2010 - Low-Level Virtual Machine - 2 Comments

GCC 4.5.0 Compiler Released

Version 4.5 of the GNU Compiler Collection (GCC) was running behind with too many regressions being left open, but only a few weeks ago they cleared their P1 regressions and then put out the GCC 4.5 release candidate. Now, already, GCC 4.5 has been officially released.
15 April 2010 - Wow, Already - 5 Comments

GCC 4.5 Release Candidate Is Finally Here

GCC 4.5 has been running a bit behind schedule due to outstanding regressions, but last week the last of their highest severity regressions were addressed, which paved the way for a release candidate. Today the release candidate for version 4.5 of the GNU Compiler Collection (GCC) has arrived.
6 April 2010 - GCC 4.5.0 Is Closer - 3 Comments

GCC 4.5 Release Candidate Is Coming

GCC 4.5 was not in a good shape as of the middle of March with it still not being ready due to 16 outstanding P1 regressions, but over the past two weeks, developers have feverishly been fixing these bugs and the count is now down to zero. For P2 regressions, 17 of them have been fixed too over this time span, which brings the second-tier bugs down to a count of 81. There is also one new P3 regression bringing its count to three.
31 March 2010 - Trunk Frozen - 31 Comments

GCC 4.5 Is Still Not Ready For Release

GCC 4.4.0 was released nearly a year ago, but it looks like its one-year anniversary may pass without a new major release of the GNU Compiler Collection. GCC 4.5 was not yet branched back in January due to outstanding P1 regressions, which is also blocking any release candidates from being made available. Now in March there are 16 regressions of P1 status still outstanding.
15 March 2010 - Downgrading Regressions? - 10 Comments

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