diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 014cb1cae8f..17f3d60c1a2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2004-06-18  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	* config/i386/darwin.h (HOT_TEXT_SECTION_NAME): Define.
+	(NORMAL_TEXT_SECTION_NAME): Define.
+	(UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Define.
+	(SECTION_FORMAT_STRING): Define.
+
 2004-06-18  Steven Bosscher  <stevenb@suse.de>
 
 	* config/xtensa/xtensa.c
diff --git a/gcc/config/i386/darwin.h b/gcc/config/i386/darwin.h
index e11d8b17c72..c271eab81b3 100644
--- a/gcc/config/i386/darwin.h
+++ b/gcc/config/i386/darwin.h
@@ -93,6 +93,13 @@ Boston, MA 02111-1307, USA.  */
 
 #define LPREFIX "L"
 
+/* These are used by -fbranch-probabilities */
+#define HOT_TEXT_SECTION_NAME "__TEXT,__text,regular,pure_instructions"
+#define NORMAL_TEXT_SECTION_NAME "__TEXT,__text,regular,pure_instructions"
+#define UNLIKELY_EXECUTED_TEXT_SECTION_NAME \ 
+                              "__TEXT,__unlikely,regular,pure_instructions"
+#define SECTION_FORMAT_STRING ".section %s\n\t.align 2\n" 
+
 /* Assembler pseudos to introduce constants of various size.  */
 
 #define ASM_BYTE_OP "\t.byte\t"