Patch set is merged. From now we have requirement to use gcc-4.7 and up.
For old ubuntu systems you can install new gcc in that way: http://askubuntu.com/questions/113291/how-do-i-install-gcc-4-7 Thanks, Maxim. On 11/25/2014 01:38 AM, Ola Liljedahl wrote:
Patch set restructured (thanks git add -p), patches should build if applied incrementially. Some of these changes are in preparation for the appearance of odp_atomic_internal.h but these patch can be merged separately. odp_atomic.h: Use struct for 32- and 64-bit atomic types, this prevents non-atomic access to atomic variables. Emulated 64-bit atomic support for functionally challenged 32-bit architectures (e.g. PPC32). Relaxed memory model for atomic operations, this enhances performance on weakly ordered architectures (e.g. most RISC). Use GCC __atomic builtins (previously __sync builtins). Added missing atomic_add_u32, atomic_sub_u32 and atomic_sub_64 operations. Removed 32- and 64-bit cmpset operations. Made some 64-bit operations (e.g. load, store) atomic on 32-bit architectures. odp_generator.c: updated to use odp_atomic.h functins with atomic types. odp_spin_internal.h: removed odp_mem_barrier() which is a compiler only barrier and basically useless and dangerous on all weakly ordered architectures. odp_barrier.c: updated to use odp_atomic.h types and functions. Made the wrap-around atomic. Restored a missing line that was lost to a later patch. odp_buffer.c: updated to use odp_atomic.h functions (ref_count). odp_ring.c: added missing release barriers. Updated to use GCC __atomic cmpset facility (temporary fix). odp_rwlock.c: updated to use odp_atomic.h. Updated to use GCC __atomic facilities (temporary fix). odp_ticketlock.c: updated to use odp_atomic.h. Updated to use GCC __atomic facilities (temporary fix). Added missing barrier in ticketlock_lock(). odp_atomic_test.c: update to conform to latest odp_atomic.h syntax. Added usage of odp_barrier_t instead of home grown thread barrier. Updated some descriptions and help texts. Ola Liljedahl (9): linux-generic: odp_ring.c use __atomic linux-generic: odp_rwlock.c use __atomic linux-generic: odp_buffer.c use odp_atomic.h linux-generic: odp_barrier.c use __atomic linux-generic: odp_generator.c use odp_atomic.h linux-generic: odp_ticketlock.c use odp_atomic.h and __atomic test: odp_atomic_test.c: use odp_barrier, fix descriptions api: odp_atomic.h: struct type, relaxed mm, missing funcs, use __atomic linux-generic: odp_spin_internal.h: remove odp_mem_barrier example/generator/odp_generator.c | 24 +- platform/linux-generic/include/api/odp_atomic.h | 271 +++++++++++++-------- platform/linux-generic/include/odp_spin_internal.h | 9 - platform/linux-generic/odp_barrier.c | 17 +- platform/linux-generic/odp_buffer.c | 3 +- platform/linux-generic/odp_ring.c | 28 ++- platform/linux-generic/odp_rwlock.c | 24 +- platform/linux-generic/odp_ticketlock.c | 14 +- test/api_test/odp_atomic_test.c | 48 ++-- 9 files changed, 260 insertions(+), 178 deletions(-)
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