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The Linaro Toolchain Working Group (TCWG) is pleased to announce the 2015.06 snapshot of the Linaro GCC 5 source package.

Linaro GCC 5 2015.06 is the first Linaro GCC source package snapshot in the 5 series. It is based on FSF GCC 5.1-pre+svn224205 and includes performance improvements and bug fixes.

With the imminent release of ARMv8 hardware and the recent release of the GCC 5 compiler the Linaro TCWG will be focusing on stabilization and performance of the compiler as the FSF GCC compiler. The Linaro TCWG provides stable1 quarterly releases and monthly snapshots2.

Interesting changes in this GCC source package snapshot include:

  • Updates to GCC 5.1-pre+svn224205
  • Backport of new testcases
  • Backport of [AArch32, LRA] Fix PR target/65729
  • Backport of [AArch64, intrinsics] Replace temporary assembler for vst1_lane
  • Backport of [docs] __sync builtins doc
  • Backport of Enable two UNSIGNED_FLOAT simplifications
  • Backport of PR target/65689
  • Backport of [AArch64] Fix PR64134 Make aarch64_expand_vector_init use ‘ins’ more often
  • Backport of [AArch64] Increase static buffer size in aarch64_rewrite_selected_cpu
  • Backport of Fix removing of df problem in df_finish_pass
  • Backport of [AArch64] Add zero_extend variants of logical+not ops
  • Backport of [AArch32] PR rtl-optimization/64818
  • Backport of [AArch32] Restrict {load,store}_multiple expanders to MAX_LD_STM_OPS regs
  • Backport of [AArch32] Rewrite vc NEON patterns to use RTL operations rather than UNSPECs

Feedback and Support

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  • Linaro Toolchain Development mailing list
  • Linaro Toolchain IRC channel on irc.freenode.net at #linaro-tcwg

  • Bug reports should be filed in bugzilla against GCC product:http://bugs.linaro.org/enter_bug.cgi?product=GCC
  • Interested in commercial support? inquire at Linaro support

1 Stable source package releases are defined as releases where the full Linaro Toolchain validation plan is executed.

2 Source package snapshots are defined when the compiler is only put through unit-testing and full validation is not performed.