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P4 to Git Change 1360479 by rerrabol@RocmOnLC on 2017/01/10 17:32:55

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SWDEV-108854 - Support initialization of SGPR and VGPR usage from kernel header object. Changes to fix issue reported by SWDEV-108854

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocdevice.cpp#33 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rockernel.cpp#18 edit


[ROCm/clr commit: a3c0b6525f]
This commit is contained in:
foreman
2017-01-10 17:46:11 -05:00
parent eed01939b7
commit d5f37b53ae
2 changed files with 20 additions and 2 deletions
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projects/clr/rocclr/runtime/device/rocm/rockernel.cpp
+16 -2
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@@ -865,9 +865,23 @@ bool Kernel::init()
workGroupInfo_.privateMemSize_ = workitemPrivateSegmentByteSize_;
workGroupInfo_.usedLDSSize_ = workgroupGroupSegmentByteSize_;
workGroupInfo_.preferredSizeMultiple_ = wavefront_size;
workGroupInfo_.usedSGPRs_ = 0;
// Query kernel header object to initialize the number of
// SGPR's and VGPR's used by the kernel
const void* kernelHostPtr = nullptr;
if (Device::loaderQueryHostAddress(
reinterpret_cast<const void*>(kernelCodeHandle_), &kernelHostPtr
) == HSA_STATUS_SUCCESS) {
auto akc = reinterpret_cast<const amd_kernel_code_t*>(kernelHostPtr);
workGroupInfo_.usedSGPRs_ = akc->wavefront_sgpr_count;
workGroupInfo_.usedVGPRs_ = akc->workitem_vgpr_count;
}
else {
workGroupInfo_.usedSGPRs_ = 0;
workGroupInfo_.usedVGPRs_ = 0;
}
workGroupInfo_.usedStackSize_ = 0;
workGroupInfo_.usedVGPRs_ = 0;
workGroupInfo_.wavefrontPerSIMD_ =
program_->dev().info().maxWorkItemSizes_[0] / wavefront_size;
workGroupInfo_.wavefrontSize_ = wavefront_size;