Skip to content

[OpenMP] Document how to specify flags to device libraries #159053

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Sep 16, 2025
Merged

[OpenMP] Document how to specify flags to device libraries #159053

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
ba4bb1f
[OpenMP] Avoid using CPU-specific flags for GPU
tuliom Sep 15, 2025
7ac8ce4
[OpenMP] Document how to specify flags to device libraries
tuliom Sep 15, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 7 additions & 0 deletions openmp/device/CMakeLists.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,13 @@ list(APPEND compile_options -Wno-unknown-cuda-version)
if(LLVM_DEFAULT_TARGET_TRIPLE)
list(APPEND compile_options --target=${LLVM_DEFAULT_TARGET_TRIPLE})
endif()
# Ensure that CPU-related parameters won't be brought in.
string(REGEX REPLACE "-mcpu[^ \t\r\n]*" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REGEX REPLACE "-march[^ \t\r\n]*" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REGEX REPLACE "-mtune[^ \t\r\n]*" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REGEX REPLACE "-mbranch-protection[^ \t\r\n]*" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REGEX REPLACE "-fcf-protection[^ \t\r\n]*" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
list(APPEND compile_options -Wno-unused-command-line-argument)

# We disable the slp vectorizer during the runtime optimization to avoid
# vectorized accesses to the shared state. Generally, those are "good" but
Expand Down
Loading