pitrou commented on a change in pull request #8177:
URL: https://github.com/apache/arrow/pull/8177#discussion_r492168832
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File path: cpp/src/parquet/CMakeLists.txt
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@@ -202,6 +203,19 @@ set(PARQUET_SRCS
stream_writer.cc
types.cc)
+if(CXX_SUPPORTS_AVX2)
+ # AVX2 is used as a proxy for BMI2.
Review comment:
Ahah, sorry. Indeed, for some reason I had misread that `-mbmi2` would
be applied to all source files. I agree it's ok, then.
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