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| author | Tom Stellard <thomas.stellard@amd.com> | 2016-04-06 01:29:19 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2016-04-06 01:29:19 +0000 |
| commit | 3ec09e61d1c823837fbf442c83865673cbbf59c8 (patch) | |
| tree | 37e780373b9b5a2accbc1743ccc492a3e3f2b7c3 /llvm/docs | |
| parent | 285c8ff75394a3f755312654a9e197082f4628a3 (diff) | |
| download | bcm5719-llvm-3ec09e61d1c823837fbf442c83865673cbbf59c8.tar.gz bcm5719-llvm-3ec09e61d1c823837fbf442c83865673cbbf59c8.zip | |
AMDGPU: Document address space mapping
Summary:
Address space mapping is described in lib/Target/AMDGPU/AMDGPU.h in
Doxygen comments. This patch adds the description to user guide for
AMDGPU back-end.
Patch By: Vedran Miletić
Reviewers: tstellarAMD, arsenm
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D17046
llvm-svn: 265500
Diffstat (limited to 'llvm/docs')
| -rw-r--r-- | llvm/docs/AMDGPUUsage.rst | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/llvm/docs/AMDGPUUsage.rst b/llvm/docs/AMDGPUUsage.rst index 5abbdec8ef0..b5991c708d1 100644 --- a/llvm/docs/AMDGPUUsage.rst +++ b/llvm/docs/AMDGPUUsage.rst @@ -9,6 +9,29 @@ The AMDGPU back-end provides ISA code generation for AMD GPUs, starting with the R600 family up until the current Volcanic Islands (GCN Gen 3). +Conventions +=========== + +Address Spaces +-------------- + +The AMDGPU back-end uses the following address space mapping: + + ============= ============================================ + Address Space Memory Space + ============= ============================================ + 0 Private + 1 Global + 2 Constant + 3 Local + 4 Generic (Flat) + 5 Region + ============= ============================================ + +The terminology in the table, aside from the region memory space, is from the +OpenCL standard. + + Assembler ========= |
