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Configure usage of native atomic float add/sub functions #86

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Jan 14, 2021
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Configure usage of native atomic float add/sub functions #86

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9 changes: 7 additions & 2 deletions SYCL/AtomicRef/add.cpp
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Original file line number Diff line number Diff line change
@@ -1,7 +1,12 @@
// RUN: %clangxx -fsycl -fsycl-unnamed-lambda -fsycl-targets=%sycl_triple %s -o %t.out
// RUN: %clangxx -fsycl -fsycl-unnamed-lambda -fsycl-targets=%sycl_triple %s \
// RUN: -o %t.out %gpu_atomics_config
// RUN: %HOST_RUN_PLACEHOLDER %t.out
// RUN: %CPU_RUN_PLACEHOLDER %t.out
// RUN: %GPU_RUN_PLACEHOLDER %t.out
// TODO: Drop the separate "emulation" compilation once "native" OpenCL CPU
// support is provided.
// RUN: %clangxx -fsycl -fsycl-unnamed-lambda -fsycl-targets=%sycl_triple %s \
// RUN: -o %t.out.emulated -D__SYCL_EMULATE_FLOAT_ATOMICS__=1
// RUN: %CPU_RUN_PLACEHOLDER %t.out.emulated

#include <CL/sycl.hpp>
#include <algorithm>
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9 changes: 7 additions & 2 deletions SYCL/AtomicRef/sub.cpp
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Original file line number Diff line number Diff line change
@@ -1,7 +1,12 @@
// RUN: %clangxx -fsycl -fsycl-unnamed-lambda -fsycl-targets=%sycl_triple %s -o %t.out
// RUN: %clangxx -fsycl -fsycl-unnamed-lambda -fsycl-targets=%sycl_triple %s \
// RUN: -o %t.out %gpu_atomics_config
// RUN: %HOST_RUN_PLACEHOLDER %t.out
// RUN: %CPU_RUN_PLACEHOLDER %t.out
// RUN: %GPU_RUN_PLACEHOLDER %t.out
// TODO: Drop the separate "emulation" compilation once "native" OpenCL CPU
// support is provided.
// RUN: %clangxx -fsycl -fsycl-unnamed-lambda -fsycl-targets=%sycl_triple %s \
// RUN: -o %t.out.emulated -D__SYCL_EMULATE_FLOAT_ATOMICS__=1
// RUN: %CPU_RUN_PLACEHOLDER %t.out.emulated

#include <CL/sycl.hpp>
#include <algorithm>
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2 changes: 2 additions & 0 deletions SYCL/lit.cfg.py
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Expand Up @@ -253,8 +253,10 @@

if config.sycl_be == 'cuda':
config.substitutions.append( ('%sycl_triple', "nvptx64-nvidia-cuda-sycldevice" ) )
config.substitutions.append( ('%gpu_atomics_config', "-D__SYCL_EMULATE_FLOAT_ATOMICS__=1") )
else:
config.substitutions.append( ('%sycl_triple', "spir64-unknown-linux-sycldevice" ) )
config.substitutions.append( ('%gpu_atomics_config', "") )

if find_executable('sycl-ls'):
config.available_features.add('sycl-ls')
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