Merge branch 'dorer-add-arm-support' of https://github.com/RedisAI/VectorSimilarity into dorer-add-arm-opt

Author: dor-forer

cmake/aarch64InstructionFlags.cmake

@@ -4,6 +4,7 @@ include(CheckCXXCompilerFlag)
 message(STATUS "Building for ARM aarch64")
 
 # Check what compiler flags are supported
+CHECK_CXX_COMPILER_FLAG("-march=armv7-a+neon" CXX_ARMV7_NEON)
 CHECK_CXX_COMPILER_FLAG("-march=armv8-a" CXX_ARMV8A)
 CHECK_CXX_COMPILER_FLAG("-march=armv8-a+sve" CXX_SVE)
 CHECK_CXX_COMPILER_FLAG("-march=armv9-a+sve2" CXX_SVE2)
@@ -14,7 +15,7 @@ if(CXX_SVE2)
   message(STATUS "Using ARMv9.0-a with SVE2 (supported by CPU)")
   add_compile_definitions(OPT_SVE2)
 endif()
-if (CXX_ARMV8A)
+if (CXX_ARMV8A OR CXX_ARMV7_NEON)
   add_compile_definitions(OPT_NEON)
 endif()
 if (CXX_SVE)

tests/benchmark/CMakeLists.txt

@@ -25,7 +25,7 @@ foreach(benchmark IN ITEMS ${BENCHMARKS})
 	target_link_libraries(bm_${benchmark} VectorSimilarity benchmark::benchmark)
 endforeach()
 
-if (CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "(aarch64)|(arm64)|(ARM64)|(armv8)|(armv9)")
+if (CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "(aarch64)|(arm64)|(ARM64)|(armv.*)")
 	message(STATUS "Enabling Arm Performance Libraries integration")
 	include(${root}/cmake/aarch64InstructionFlags.cmake)
 	add_compile_definitions(BENCHMARK_ARCH=arm64)