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diff -Naupr a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt 2020-03-01 20:39:57.000000000 +0000
+++ b/CMakeLists.txt 2020-03-01 23:39:56.619280694 +0000
@@ -134,16 +134,7 @@ else()
endif()
# CPU flags
-if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64|AMD64" AND NOT MSVC)
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} \
- -mavx2 \
- -mfma \
- -Xclang -mprefer-vector-width=128 \
- -Xclang -target-cpu -Xclang haswell \
- -Xclang -target-feature -Xclang +avx2")
-elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64|AMD64" AND MSVC)
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX2")
-elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64")
+if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} \
-Xclang -mprefer-vector-width=128 \
-Xclang -target-cpu -Xclang cortex-a72")
diff -Naupr a/third_party/highway/hwy/targets.h b/third_party/highway/hwy/targets.h
--- a/third_party/highway/hwy/targets.h 2020-03-01 20:30:01.000000000 +0000
+++ b/third_party/highway/hwy/targets.h 2020-03-01 20:32:10.234611054 +0000
@@ -25,7 +25,7 @@
#define HWY_WASM 32
// Uncomment to avoid using/requiring AVX2 when running on Intel/AMD.
-// #define HWY_DISABLE_AVX2
+#define HWY_DISABLE_AVX2
// Uncomment to avoid additional (optional) code generation for AVX-512 when
// building for Intel/AMD.
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