Errata prompts Intel to disable TSX in Haswell, early Broadwell CPUs
August 12, 2014
Software developers who wish to continue working with TSX will have to avoid updating their systems to newer firmware revisions—and in doing so, they'll retain the risk of TSX-related memory corruption or crashes.


Making Sense of the Intel Haswell Transactional Synchronization eXtensions (TSX)
September 20, 2012
TSX will be supported by GCC v4.8, Microsoft's latest Visual Studio 2012, and of course Intel's C compiler v13. GLIBC support (rtm-2.17 branch) is also available.