Use _ReadWriteBarrier() rather than MemoryBarrier() for preventing compile optimization

4b6a3518 · Vladislav Vaintroub · fd7a8d18 · 4b6a3518 · 4b6a3518
Commit 4b6a3518 authored Apr 06, 2016 by Vladislav Vaintroub
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 2 deletions

storage/innobase/include/ut0ut.h storage/innobase/include/ut0ut.h +1 -1

storage/xtradb/include/ut0ut.h storage/xtradb/include/ut0ut.h +1 -1

No files found.
--- a/storage/innobase/include/ut0ut.h
+++ b/storage/innobase/include/ut0ut.h
@@ -100,7 +100,7 @@ struct ut_when_dtor {
 #if defined (__GNUC__)
 #  define UT_COMPILER_BARRIER() __asm__ __volatile__ ("":::"memory")
 #elif defined (_MSC_VER)
-#  define UT_COMPILER_BARRIER() MemoryBarrier()
+#  define UT_COMPILER_BARRIER() _ReadWriteBarrier()
 #else
 #  define UT_COMPILER_BARRIER()
 #endif

--- a/storage/xtradb/include/ut0ut.h
+++ b/storage/xtradb/include/ut0ut.h
@@ -97,7 +97,7 @@ struct ut_when_dtor {
 #if defined (__GNUC__)
 #  define UT_COMPILER_BARRIER() __asm__ __volatile__ ("":::"memory")
 #elif defined (_MSC_VER)
-#  define UT_COMPILER_BARRIER() MemoryBarrier()
+#  define UT_COMPILER_BARRIER() _ReadWriteBarrier()
 #else
 #  define UT_COMPILER_BARRIER()
 #endif