blake3_portable.c
)
-set(CAN_USE_ASSEMBLER TRUE)
-# Some LLVM builders set "CC=ccache /path/to/clang" as environment variable,
-# which confuses CMake thinking the assembler to use is the 'ccache' binary.
-# These builders need to also set "ASM=/path/to/clang" in environment, but until
-# this happens check for this case and disable building the assembly files.
-get_filename_component(ASM_BINARY ${CMAKE_ASM_COMPILER} NAME)
-if (ASM_BINARY STREQUAL "ccache")
- message(WARNING "CMake is set to use '${CMAKE_ASM_COMPILER}' as assembler "
- "which is likely due to having 'CC=ccache /path/to/clang' in the environment. "
- "Building the BLAKE3 SIMD-optimized assembly files is disabled, set "
- "'ASM=/path/to/clang' as environment variable and do a clean re-configure "
- "to correct this.")
- set(CAN_USE_ASSEMBLER FALSE)
-endif()
-
# The BLAKE3 team recommends using the assembly versions, from the README:
#
# "For each of the x86 SIMD instruction sets, four versions are available:
# version using C intrinsics. The assembly versions are generally
# preferred. They perform better, they perform more consistently across
# different compilers, and they build more quickly."
-
+# FIXME: Figure out what is wrong with the builders when using the assembly files and neon.
if (MSVC)
- check_symbol_exists(_M_X64 "" IS_X64)
- check_symbol_exists(_M_ARM64 "" IS_ARM64)
-else()
- check_symbol_exists(__x86_64__ "" IS_X64)
- check_symbol_exists(__aarch64__ "" IS_ARM64)
+ enable_language(ASM_MASM)
endif()
-if (IS_X64 AND CAN_USE_ASSEMBLER)
+if (FALSE)#CMAKE_SYSTEM_PROCESSOR MATCHES "^(x86_64|AMD64)$")
if (MSVC)
- enable_language(ASM_MASM)
list(APPEND LLVM_BLAKE3_FILES
blake3_sse2_x86-64_windows_msvc.asm
blake3_sse41_x86-64_windows_msvc.asm
endif()
endif()
-if (IS_ARM64)
+if (FALSE)#CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm|aarch)")
list(APPEND LLVM_BLAKE3_FILES
blake3_neon.c
)
endif()
-if (IS_X64 AND NOT CAN_USE_ASSEMBLER)
- add_definitions(-DBLAKE3_NO_AVX512 -DBLAKE3_NO_AVX2 -DBLAKE3_NO_SSE41 -DBLAKE3_NO_SSE2)
-endif()
+# FIXME: Figure out what is wrong with the builders when using the assembly files.
+add_definitions(-DBLAKE3_NO_AVX512 -DBLAKE3_NO_AVX2 -DBLAKE3_NO_SSE41 -DBLAKE3_NO_SSE2 -DBLAKE3_USE_NEON=0)
add_library(LLVMSupportBlake3 OBJECT EXCLUDE_FROM_ALL ${LLVM_BLAKE3_FILES})
llvm_update_compile_flags(LLVMSupportBlake3)