From 57dc8de934b4bbb8be06090436dfec7d4e788fa1 Mon Sep 17 00:00:00 2001
From: Yiqun Liu <liuyiqun01@baidu.com>
Date: Fri, 1 Dec 2017 15:26:41 +0800
Subject: [PATCH] Fix the linking error for iOS simulator (architecture
 x86_64). (#6081)

---
 paddle/math/CMakeLists.txt  | 2 --
 paddle/math/SIMDFunctions.h | 2 ++
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/paddle/math/CMakeLists.txt b/paddle/math/CMakeLists.txt
index 86bb270a437..922fb517227 100644
--- a/paddle/math/CMakeLists.txt
+++ b/paddle/math/CMakeLists.txt
@@ -26,8 +26,6 @@ else()
 endif()
 
 if(MOBILE_INFERENCE)
-    list(REMOVE_ITEM MATH_SOURCES
-         ${CMAKE_CURRENT_SOURCE_DIR}/SIMDFunctions.cpp)
     # Remove sparse
     list(REMOVE_ITEM MATH_HEADERS
          ${CMAKE_CURRENT_SOURCE_DIR}/CpuSparseMatrix.h
diff --git a/paddle/math/SIMDFunctions.h b/paddle/math/SIMDFunctions.h
index 439f11b79d1..76909720f6a 100644
--- a/paddle/math/SIMDFunctions.h
+++ b/paddle/math/SIMDFunctions.h
@@ -116,9 +116,11 @@ inline bool vec_check(size_t len) {
 }
 
 namespace internal {
+#ifdef __SSE3__
 void addToImpl(float* a, const float* b, size_t len);
 void batchAddToImpl(float* a, const float* b[], int batch, size_t len);
 void colMaxImpl(float* result, const float* data, int dim, int numSamples);
+#endif
 #ifdef __AVX__
 void decayL1AvxImpl(float* dst, float* src, float lambda, size_t len);
 void decayL1AvxImpl(
-- 
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