Use CPU microarchitecture on ARMv7 for better performance #3087
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Pull Requests must be based on |
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Also, it's better to take the whole fresh https://github.com/DLTcollab/sse2neon/blob/master/sse2neon.h than updating single line there. |
How do I do that? |
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Then edit the branches in this PR or make a new one (not sure if you can edit the branches on existing). |
dev-0x7C6
reviewed
Aug 17, 2022
| set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv7-a -mfpu=neon") | ||
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv7-a -mfpu=neon -flax-vector-conversions") | ||
| set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mcpu=native -mfpu=neon") | ||
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=native -mfpu=neon -flax-vector-conversions") |
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How this will work for cross compilation environment, I think this is not allowed.
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The reason for this change is explained well on the ARM website. https://community.arm.com/arm-community-blogs/b/tools-software-ides-blog/posts/compiler-flags-across-architectures-march-mtune-and-mcpu