diff options
author | Tom Stellard <thomas.stellard@amd.com> | 2013-07-08 17:26:39 +0000 |
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committer | Tom Stellard <thomas.stellard@amd.com> | 2013-07-08 17:26:39 +0000 |
commit | efd6599fc741c849dfce8e1e312e28fb33857315 (patch) | |
tree | 1ef1ef040215df64b9971b7b336edf558bcda43f | |
parent | a3c59c98a5ae7d4af0c2ac0194422a466a8891cc (diff) |
Implement barrier() builtin
Reviewed and Tested-by: Aaron Watry <awatry@gmail.com>
git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@185837 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | r600/lib/SOURCES | 2 | ||||
-rw-r--r-- | r600/lib/synchronization/barrier.cl | 15 | ||||
-rw-r--r-- | r600/lib/synchronization/barrier_impl.ll | 12 |
3 files changed, 29 insertions, 0 deletions
diff --git a/r600/lib/SOURCES b/r600/lib/SOURCES index af8c8c8..16ef3ac 100644 --- a/r600/lib/SOURCES +++ b/r600/lib/SOURCES @@ -2,3 +2,5 @@ workitem/get_group_id.ll workitem/get_local_size.ll workitem/get_local_id.ll workitem/get_global_size.ll +synchronization/barrier.cl +synchronization/barrier_impl.ll diff --git a/r600/lib/synchronization/barrier.cl b/r600/lib/synchronization/barrier.cl new file mode 100644 index 0000000..ac0b4b3 --- /dev/null +++ b/r600/lib/synchronization/barrier.cl @@ -0,0 +1,15 @@ + +#include <clc/clc.h> + +void barrier_local(void); +void barrier_global(void); + +void barrier(cl_mem_fence_flags flags) { + if (flags & CLK_LOCAL_MEM_FENCE) { + barrier_local(); + } + + if (flags & CLK_GLOBAL_MEM_FENCE) { + barrier_global(); + } +} diff --git a/r600/lib/synchronization/barrier_impl.ll b/r600/lib/synchronization/barrier_impl.ll new file mode 100644 index 0000000..99ac018 --- /dev/null +++ b/r600/lib/synchronization/barrier_impl.ll @@ -0,0 +1,12 @@ +declare void @llvm.AMDGPU.barrier.local() nounwind +declare void @llvm.AMDGPU.barrier.global() nounwind + +define void @barrier_local() nounwind alwaysinline { + call void @llvm.AMDGPU.barrier.local() + ret void +} + +define void @barrier_global() nounwind alwaysinline { + call void @llvm.AMDGPU.barrier.global() + ret void +} |