diff -r b67d8b1f4e46 -r 27e80dc06104 jdk/src/share/native/sun/security/ec/impl/ecl-priv.h
--- a/jdk/src/share/native/sun/security/ec/impl/ecl-priv.h	Tue Feb 01 14:20:01 2011 -0800
+++ b/jdk/src/share/native/sun/security/ec/impl/ecl-priv.h	Fri Feb 04 00:33:30 2011 +0000
@@ -58,8 +58,6 @@
 #ifndef _ECL_PRIV_H
 #define _ECL_PRIV_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 #include "ecl.h"
 #include "mpi.h"
 #include "mplogic.h"
@@ -90,6 +88,10 @@
     s = ACCUM(w); \
     cout = CARRYOUT(w); }
 
+/* Handle case when carry-in value is zero */
+#define MP_ADD_CARRY_ZERO(a1, a2, s, cout)   \
+    MP_ADD_CARRY(a1, a2, s, 0, cout);
+
 #define MP_SUB_BORROW(a1, a2, s, bin, bout)   \
     { mp_word w; \
     w = ((mp_word)(a1)) - (a2) - (bin); \
@@ -111,6 +113,15 @@
     s = sum += (cin); \
     cout = tmp + (sum < (cin)); }
 
+/* Handle case when carry-in value is zero */
+#define MP_ADD_CARRY_ZERO(a1, a2, s, cout)   \
+    { mp_digit tmp,sum; \
+    tmp = (a1); \
+    sum = tmp + (a2); \
+    tmp = (sum < tmp);                     /* detect overflow */ \
+    s = sum; \
+    cout = tmp; }
+
 #define MP_SUB_BORROW(a1, a2, s, bin, bout)   \
     { mp_digit tmp; \
     tmp = (a1); \