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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2019-05-23 19:38:14 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2019-05-23 19:38:14 +0000 |
| commit | 5c714cbdd83166e10b27b8e5ea2700654da2e90b (patch) | |
| tree | 5f0da14a93817c94f6dcef9d2c2c2cbc9af41986 /clang/lib/Frontend/CompilerInvocation.cpp | |
| parent | e4b27869c60cb1311c4396e057c21573e19e62cd (diff) | |
| download | llvm-5c714cbdd83166e10b27b8e5ea2700654da2e90b.zip llvm-5c714cbdd83166e10b27b8e5ea2700654da2e90b.tar.gz llvm-5c714cbdd83166e10b27b8e5ea2700654da2e90b.tar.bz2 | |
AMDGPU: Correct maximum possible private allocation size
We were assuming a much larger possible per-wave visible stack
allocation than is possible:
https://github.com/RadeonOpenCompute/ROCR-Runtime/blob/faa3ae51388517353afcdaf9c16621f879ef0a59/src/core/runtime/amd_gpu_agent.cpp#L70
Based on this, we can assume the high 15 bits of a frame index or sret
are 0. The frame index value is the per-lane offset, so the maximum
frame index value is MAX_WAVE_SCRATCH / wavesize.
Remove the corresponding subtarget feature and option that made
this configurable.
llvm-svn: 361541
Diffstat (limited to 'clang/lib/Frontend/CompilerInvocation.cpp')
0 files changed, 0 insertions, 0 deletions