gcc-5-20141116 is now available

2014-11-16 Thread gccadmin
Snapshot gcc-5-20141116 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/5-20141116/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 5 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/trunk revision

Re: graphite in -O3

2014-11-16 Thread David Edelsohn
Because they have not shown general performance benefit. I hope that the renewed attention and development effort will allow them to be enabled by default eventually. Thanks, David On Sun, Nov 16, 2014 at 2:10 PM, Andi Kleen wrote: > > Is there any specific reason why none of the graphite loop

weak pthread symbols in libgcc/gthr-posix.h cause issues

2014-11-16 Thread Szabolcs Nagy
the weakref magic in libgcc/gthr-posix.h is not guaranteed to work which can at least break libstdc++ with static linking and dlopen there are several bugs here: - fallback code (unknown posix systems) should assume multi-threaded application instead of using a fragile threadedness test - determ

graphite in -O3

2014-11-16 Thread Andi Kleen
Is there any specific reason why none of the graphite loop optimizations (loop-block, loop-interchange, loop-strip-mine, loop-jam) are enabled with -O3 or -Ofast? I assume doing so would make them much more widely used. Perhaps would be something to consider for 5.0? -Andi

Missing git tags for released GCC

2014-11-16 Thread H.J. Lu
Hi, Git tags are missing for GCC 4.9.1, 4.9.2, 4.8.3 and 4.7.4. -- H.J.