Compiler News Archives
The 64-bit ARM back-end to the LLVM/Clang compiler now supports generating NEON instructions for AArch64.
1 August 2013 - 64-bit ARM NEON
Following word this weekend that Apple and Google engineers agree on SLP vectorization by default for the LLVM/Clang compiler, I carried out some fresh SLP Vectorizer benchmarks this weekend from the LLVM Clang 3.4 SVN development code.
29 July 2013 - LLVM Clang 3.4 SVN
After making more widespread use of the Loop Vectorizer, developers at Apple in Google are at least agreeing that LLVM's SLP Vectorizer should be more widely-used as well.
28 July 2013 - LLVM Vectorizer - 5 Comments
Videos from the recent GCC Cauldron 2013 that was hosted at the Googleplex earlier this month are now available online. Discussed during this developer event is not only the GCC compiler but also GDB, Address Sanitizer, and other compiler-related technologies.
25 July 2013 - GCC Cauldron 2013 Videos - 2 Comments
We're still many months out from seeing the release of GCC 4.9 and LLVM Clang 3.4 releases, but with the next major updates to these open-source code compilers will come better support for the C++14 (C++1y) language.
25 July 2013 - GCC 4.9 C++14 - 2 Comments
To the ire of some developers, LLVM 3.4 is dropping support for Visual Studio 2008 as its host compiler.
24 July 2013 - LLVM Visual Studio - 5 Comments
While LLVM/Clang and GCC are moving forward vibrantly as open-source compilers, the current status of the open-source Open64 compiler project appears to be in hiatus.
22 July 2013 - Open64 Hiatus - 2 Comments
The Apache Software Foundation has decided to end its Apache C++ Standard Library (stdcxx) project.
18 July 2013 - Apache stdcxx - 27 Comments
The LLVM debugger is back to having ELF core file support for 64-bit Linux.
17 July 2013 - LLVM Debugger
17 July 2013 - EmScripten Alternative - 13 Comments
From an older Intel Core i7 990X Extreme Edition "Gulftown" system the LLVM/Clang compiler performance of the 3.2 and 3.3 releases were compared to the current SVN code as of today. There are some LLVM 3.4 performance improvements while for other workloads there isn't much evolution to see.
15 July 2013 - Core i7 990X Gulftown - 3 Comments
The LLVM compiler infrastructure may be generating some speedier binaries by default for the -O3 optimization level by turning on the straight-line SLP vectorizer.
14 July 2013 - For -O3 - 2 Comments
While the innovative LLVM compiler infrastructure is mentioned extremely often on Phoronix along with its Clang C/C++ compiler, receiving less coverage is LLDB. However, with LLVM 3.3, the LLVM Debugger has grown in functionality and is growing in usefulness.
29 June 2013 - LLVM Debugger
The GCC 4.9 compiler that's still in early stages of development can generate binaries optimized for Intel's forthcoming Atom "Silvermont" hardware via the new "slm" CPU type.
27 June 2013 - GCC 4.9 - 3 Comments
I've already delivered GCC vs. LLVM Clang compiler benchmarks on Intel's Core i7 4770K "Haswell" platform and tested the "core-avx2" optimizations offered by the latest compilers. That previous testing was done from the stable releases of LLVM Clang 3.1/3.2 and GCC 4.7/4.8 releases, but looking ahead, here's some benchmarks of the latest GCC 4.9 development snapshot.
27 June 2013 - Core-AVX2
After a two week hiatus, LLVM 3.3 has been officially released!
18 June 2013 - LLVM 3.3 - 3 Comments
The LLVM Loop Vectorizer is now being utilized by default at new optimization levels, in the name of faster performance.
17 June 2013 - LLVM Vectorization - 1 Comment
For those that didn't realize, the LLVM/Clang 3.3 release is running a bit behind schedule, but the wait should be worth it with this hefty upgrade.
9 June 2013 - Clang 3.3
While LLVM 3.3 hasn't even been released yet, there's already an important change found in LLVM 3.4 for Radeon R600 GPU users.
7 June 2013 - LLVM 3.4 - 8 Comments
LLVM's Loop Vectorizer, which is able to automatically vectorize code loops for performance benefits in many scenarios, may find its use expanded for other optimization levels in future LLVM releases.
6 June 2013 - LLVM Loop Vectorizer - 8 Comments
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