From 4e538db14d56af761d8adb8936a7f4f7435b7187 Mon Sep 17 00:00:00 2001
From: tensor-tang <tangjian03@baidu.com>
Date: Thu, 23 Aug 2018 00:04:03 +0800
Subject: [PATCH] refine jit space

---
 paddle/fluid/platform/cpu_info.cc | 13 ++++++++++---
 paddle/fluid/platform/cpu_info.h  |  3 ---
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/paddle/fluid/platform/cpu_info.cc b/paddle/fluid/platform/cpu_info.cc
index 79a924434ba..fcd658d67cf 100644
--- a/paddle/fluid/platform/cpu_info.cc
+++ b/paddle/fluid/platform/cpu_info.cc
@@ -103,9 +103,8 @@ size_t CUDAPinnedMaxChunkSize() {
   return CUDAPinnedMaxAllocSize() / 256;
 }
 
-#ifdef PADDLE_WITH_XBYAK
 namespace jit {
-
+#ifdef PADDLE_WITH_XBYAK
 static Xbyak::util::Cpu cpu;
 bool MayIUse(const cpu_isa_t cpu_isa) {
   using namespace Xbyak::util;  // NOLINT
@@ -136,8 +135,16 @@ bool MayIUse(const cpu_isa_t cpu_isa) {
   }
   return false;
 }
+#else
+bool MayIUse(const cpu_isa_t cpu_isa) {
+  if (cpu_isa == isa_any) {
+    return true;
+  } else {
+    return false;
+  }
+}
+#endif
 
 }  // namespace jit
-#endif
 }  // namespace platform
 }  // namespace paddle
diff --git a/paddle/fluid/platform/cpu_info.h b/paddle/fluid/platform/cpu_info.h
index 2baa21c1bd1..5d17978dd79 100644
--- a/paddle/fluid/platform/cpu_info.h
+++ b/paddle/fluid/platform/cpu_info.h
@@ -37,9 +37,7 @@ size_t CUDAPinnedMinChunkSize();
 //! Get the maximum chunk size for buddy allocator.
 size_t CUDAPinnedMaxChunkSize();
 
-#ifdef PADDLE_WITH_XBYAK
 namespace jit {
-
 typedef enum {
   isa_any,
   sse42,
@@ -56,7 +54,6 @@ typedef enum {
 inline bool MayIUse(const cpu_isa_t cpu_isa);
 
 }  // namespace jit
-#endif
 
 }  // namespace platform
 }  // namespace paddle
-- 
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