From 7f7e04117d1094240def5f34bb7e44d5f1ba8762 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Thu, 15 Apr 2021 01:27:53 +0300
Subject: [PATCH] Arcadia, ARM, PowerPC

---
 src/Functions/divide/CMakeLists.txt | 26 +++++++++++++++++++-------
 src/Functions/divide/divide.cpp     |  4 ++++
 src/Functions/divide/divideImpl.cpp |  6 +++++-
 src/Functions/ya.make               |  2 ++
 4 files changed, 30 insertions(+), 8 deletions(-)

diff --git a/src/Functions/divide/CMakeLists.txt b/src/Functions/divide/CMakeLists.txt
index 2bdd7e4c5ef..e5a10f0817c 100644
--- a/src/Functions/divide/CMakeLists.txt
+++ b/src/Functions/divide/CMakeLists.txt
@@ -1,10 +1,22 @@
-add_library(divide_impl_sse2 divideImpl.cpp)
-target_compile_options(divide_impl_sse2 PRIVATE -msse2 -DNAMESPACE=SSE2)
-target_link_libraries(divide_impl_sse2 libdivide)
+# A library for integer division by constant with CPU dispatching.
 
-add_library(divide_impl_avx2 divideImpl.cpp)
-target_compile_options(divide_impl_avx2 PRIVATE -mavx2 -DNAMESPACE=AVX2)
-target_link_libraries(divide_impl_avx2 libdivide)
+if (ARCH_AMD64)
+    add_library(divide_impl_sse2 divideImpl.cpp)
+    target_compile_options(divide_impl_sse2 PRIVATE -msse2 -DNAMESPACE=SSE2)
+    target_link_libraries(divide_impl_sse2 libdivide)
+
+    add_library(divide_impl_avx2 divideImpl.cpp)
+    target_compile_options(divide_impl_avx2 PRIVATE -mavx2 -DNAMESPACE=AVX2)
+    target_link_libraries(divide_impl_avx2 libdivide)
+
+    set(IMPLEMENTATIONS divide_impl_sse2 divide_impl_avx2)
+else ()
+    add_library(divide_impl_generic divideImpl.cpp)
+    target_compile_options(divide_impl_generic PRIVATE -DNAMESPACE=Generic)
+    target_link_libraries(divide_impl_generic libdivide)
+
+    set(IMPLEMENTATIONS divide_impl_generic)
+endif ()
 
 add_library(divide_impl divide.cpp)
-target_link_libraries(divide_impl divide_impl_sse2 divide_impl_avx2 clickhouse_common_io)
+target_link_libraries(divide_impl ${IMPLEMENTATIONS} clickhouse_common_io)
diff --git a/src/Functions/divide/divide.cpp b/src/Functions/divide/divide.cpp
index 1c3c11af312..7676c2cb02b 100644
--- a/src/Functions/divide/divide.cpp
+++ b/src/Functions/divide/divide.cpp
@@ -18,10 +18,14 @@ namespace AVX2
 template <typename A, typename B, typename ResultType>
 void divideImpl(const A * __restrict a_pos, B b, ResultType * __restrict c_pos, size_t size)
 {
+#if defined(__x86_64__) && !defined(ARCADIA_BUILD)
     if (DB::Cpu::CpuFlagsCache::have_AVX2)
         AVX2::divideImpl(a_pos, b, c_pos, size);
     else if (DB::Cpu::CpuFlagsCache::have_SSE2)
         SSE2::divideImpl(a_pos, b, c_pos, size);
+#else
+    Generic::divideImpl(a_pos, b, c_pos, size);
+#endif
 }
 
 
diff --git a/src/Functions/divide/divideImpl.cpp b/src/Functions/divide/divideImpl.cpp
index a62ce8126e2..f4c1a97d3ad 100644
--- a/src/Functions/divide/divideImpl.cpp
+++ b/src/Functions/divide/divideImpl.cpp
@@ -2,7 +2,11 @@
 /// with different values of NAMESPACE and machine flags (sse2, avx2).
 
 #if !defined(NAMESPACE)
-#error "NAMESPACE macro must be defined"
+    #if defined(ARCADIA_BUILD)
+        #define NAMESPACE Generic
+    #else
+        #error "NAMESPACE macro must be defined"
+    #endif
 #endif
 
 #if defined(__AVX2__)
diff --git a/src/Functions/ya.make b/src/Functions/ya.make
index 52ed54ec64f..660f7b115bf 100644
--- a/src/Functions/ya.make
+++ b/src/Functions/ya.make
@@ -229,6 +229,8 @@ SRCS(
     defaultValueOfTypeName.cpp
     demange.cpp
     divide.cpp
+    divide/divide.cpp
+    divide/divideImpl.cpp
     dumpColumnStructure.cpp
     e.cpp
     empty.cpp