Skip to content
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

[AArch64][compiler-rt] Disable SME ABI routines if function multiversioning is not supported #94973

Merged
merged 4 commits into from
Jun 12, 2024
Merged

[AArch64][compiler-rt] Disable SME ABI routines if function multiversioning is not supported #94973

Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
f946f33
[AArch64][compiler-rt] Guard sme-abi-vg.c with !defined(DISABLE_AARCH…
kmclaughlin-arm Jun 10, 2024
d952a83
- Add a cmake warning for enabling SME without FMV support.
kmclaughlin-arm Jun 10, 2024
ed21402
- Extend warnings in builtins/CMakeLists.txt to cover other requirements
kmclaughlin-arm Jun 11, 2024
3734ab0
- Remove !defined(DISABLE_AARCH64_FMV) guard from sme-abi-vg.c
kmclaughlin-arm Jun 11, 2024
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
23 changes: 17 additions & 6 deletions compiler-rt/lib/builtins/CMakeLists.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -561,12 +561,23 @@ set(aarch64_SOURCES
aarch64/fp_mode.c
)

if(COMPILER_RT_HAS_AARCH64_SME AND COMPILER_RT_HAS_FNO_BUILTIN_FLAG AND (COMPILER_RT_HAS_AUXV OR COMPILER_RT_BAREMETAL_BUILD))
list(APPEND aarch64_SOURCES aarch64/sme-abi.S aarch64/sme-abi-init.c aarch64/sme-abi-vg.c aarch64/sme-libc-routines.c)
message(STATUS "AArch64 SME ABI routines enabled")
set_source_files_properties(aarch64/sme-libc-routines.c PROPERTIES COMPILE_FLAGS "-fno-builtin")
else()
message(STATUS "AArch64 SME ABI routines disabled")
if (COMPILER_RT_HAS_AARCH64_SME)
if (NOT COMPILER_RT_DISABLE_AARCH64_FMV AND COMPILER_RT_HAS_FNO_BUILTIN_FLAG AND (COMPILER_RT_HAS_AUXV OR COMPILER_RT_BAREMETAL_BUILD))
list(APPEND aarch64_SOURCES aarch64/sme-abi.S aarch64/sme-abi-init.c aarch64/sme-abi-vg.c aarch64/sme-libc-routines.c)
message(STATUS "AArch64 SME ABI routines enabled")
set_source_files_properties(aarch64/sme-libc-routines.c PROPERTIES COMPILE_FLAGS "-fno-builtin")
else()
if(COMPILER_RT_DISABLE_AARCH64_FMV)
message(WARNING "AArch64 SME ABI routines require function multiversioning support.")
endif()
if(NOT COMPILER_RT_HAS_FNO_BUILTIN_FLAG)
message(WARNING "AArch64 SME ABI routines require '-fno-builtin'")
endif()
if(NOT (COMPILER_RT_HAS_AUXV OR COMPILER_RT_BAREMETAL_BUILD))
message(WARNING "AArch64 SME ABI routines requires sys/auxv.h or COMPILER_RT_BAREMETAL_BUILD flag")
endif()
message(STATUS "AArch64 SME ABI routines disabled")
endif()
endif()

# Generate outline atomics helpers from lse.S base
Expand Down
Loading