On Wed, 2015-05-20 at 14:40 -0400, David Edelsohn wrote:
The current definition of _GLIBC_READ_MEM_BARRIER in libstdc++ is too
weak for an ACQUIRE FENCE, which is what it is intended to be. The
original code emitted an isync instead of lwsync.
All of the guard acquire and set code needs to
The current definition of _GLIBC_READ_MEM_BARRIER in libstdc++ is too
weak for an ACQUIRE FENCE, which is what it is intended to be. The
original code emitted an isync instead of lwsync.
All of the guard acquire and set code needs to be cleaned up to use
GCC atomic intrinsics, but this is
