diff options
| author | Tom Stellard <thomas.stellard@amd.com> | 2013-06-12 17:30:36 -0700 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2013-06-26 16:05:36 -0700 |
| commit | 3a4d22ab84ce975bd98f9961ccba8ed8665c3c5f (patch) | |
| tree | 4820957e0c92c5853121f83b2a5d1284079a5aea | |
| parent | 265b4637effe3a4dbab56690e7a9e77b5bd6c3ce (diff) | |
Implement barrier() builtin
Reviewed-by: Aaron Watry <awatry@gmail.com>
| -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 +} |