diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d80793fd3ee4..da1fd408e0a3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2010-02-28  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
+	it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
+
 2010-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	* doc/invoke.texi (Warning Options, RX Options): Fix typos.
diff --git a/gcc/config/i386/darwin.h b/gcc/config/i386/darwin.h
index eb9ee70a04de..49863a6bab7d 100644
--- a/gcc/config/i386/darwin.h
+++ b/gcc/config/i386/darwin.h
@@ -161,15 +161,13 @@ extern void darwin_x86_file_end (void);
    but these unfortunately don't correspond to a specific processor.  */
 #undef TARGET_SUBTARGET32_ISA_DEFAULT
 #define TARGET_SUBTARGET32_ISA_DEFAULT (OPTION_MASK_ISA_MMX		\
-					| OPTION_MASK_ISA_SSE		\
-					| OPTION_MASK_ISA_SSE2)
-
-#undef TARGET_SUBTARGET64_ISA_DEFAULT
-#define TARGET_SUBTARGET64_ISA_DEFAULT (OPTION_MASK_ISA_MMX		\
 					| OPTION_MASK_ISA_SSE		\
 					| OPTION_MASK_ISA_SSE2		\
 					| OPTION_MASK_ISA_SSE3)
 
+#undef TARGET_SUBTARGET64_ISA_DEFAULT
+#define TARGET_SUBTARGET64_ISA_DEFAULT TARGET_SUBTARGET32_ISA_DEFAULT
+
 /* For now, disable dynamic-no-pic.  We'll need to go through i386.c
    with a fine-tooth comb looking for refs to flag_pic!  */
 #define MASK_MACHO_DYNAMIC_NO_PIC 0