diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 38a6fac5ee0b..10f8e1fe94d3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Thu Jun 10 20:44:36 1999  Mumit Khan  <khan@xraylith.wisc.edu>
+
+	* i386/cygwin.h (SET_ASM_OP): Define.
+
 Thu Jun 10 20:37:57 1999  Mumit Khan  <khan@xraylith.wisc.edu>
 
 	* reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
diff --git a/gcc/config/i386/cygwin.h b/gcc/config/i386/cygwin.h
index 48b9eba1b1c6..0b6a70fc42b5 100644
--- a/gcc/config/i386/cygwin.h
+++ b/gcc/config/i386/cygwin.h
@@ -532,3 +532,8 @@ extern void i386_pe_asm_file_end STDIO_PROTO((FILE *));
 #undef PCC_BITFIELDS_TYPE_MATTERS
 #define PCC_BITFIELDS_TYPE_MATTERS 0
 
+/* Enable alias attribute support.  */
+#ifndef SET_ASM_OP
+#define SET_ASM_OP "\t.set"
+#endif
+