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Improve compiler flag for ARM64 (#12589)

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Replace -march=armv8.2-a+crc+simd with -march=armv8.2-a+lse+crc since
SIMD (NEON) is already mandatory in ARMv8, and LSE (Large System
Extensions) is more important, which is supported on Graviton2 and later.
This commit is contained in:
daleiz
2025-12-11 04:36:41 +08:00
committed by GitHub
parent f8f90c96f0
commit a34f5a46a7
1 changed files with 1 additions and 1 deletions
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2
cmake/ConfigureCompiler.cmake
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@@ -521,7 +521,7 @@ else()
if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
# Graviton2 or later
# https://github.com/aws/aws-graviton-gettting-started
add_compile_options($<${is_cxx_compile}:-march=armv8.2-a+crc+simd>)
add_compile_options($<${is_cxx_compile}:-march=armv8.2-a+lse+crc>)
endif()
if (CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64le")