diff -Naurp gcc/config/avr/avr.c gcc/config/avr/avr.c
--- gcc/config/avr/avr.c	2012-07-16 11:46:50.000000000 +0530
+++ gcc/config/avr/avr.c	2012-07-16 11:54:05.000000000 +0530
@@ -3267,7 +3267,7 @@ out_movsi_mr_r (rtx insn, rtx op[], int 
                     AS2 (st,Y+,%C1)       CR_TAB
                     AS2 (st,Y,%D1)        CR_TAB
                     AS2 (subi,r28,lo8(3)) CR_TAB
-                    AS2 (sbci,r29,lo8(3)));
+                    AS2 (sbci,r29,hi8(3)));
           } else {
             *l = 4;
             return (AS2 (st,%0,%A1)    CR_TAB
@@ -3284,7 +3284,7 @@ out_movsi_mr_r (rtx insn, rtx op[], int 
                     AS2 (st,Z+,%C1)       CR_TAB
                     AS2 (st,Z,%D1)        CR_TAB
                     AS2 (subi,r30,lo8(3)) CR_TAB
-                    AS2 (sbci,r31,lo8(3)));
+                    AS2 (sbci,r31,hi8(3)));
           } else {
             *l = 4;
             return (AS2 (st,%0,%A1)    CR_TAB
@@ -3310,13 +3310,13 @@ out_movsi_mr_r (rtx insn, rtx op[], int 
               return (AS2 (subi,r28,lo8(-(%o0-60))) CR_TAB
                       AS2 (sbci,r29,hi8(-(%o0-60))) CR_TAB
                       AS2 (subi,r28,lo8(-60)) CR_TAB
-                      AS2 (sbci,r29,lo8(-60)) CR_TAB
+                      AS2 (sbci,r29,hi8(-60)) CR_TAB
                       AS2 (st,Y+,%A1)         CR_TAB
                       AS2 (st,Y+,%B1)         CR_TAB
                       AS2 (st,Y+,%C1)         CR_TAB
                       AS2 (st,Y,%D1)          CR_TAB
                       AS2 (subi,r28,lo8(63)) CR_TAB
-                      AS2 (sbci,r29,lo8(63)) CR_TAB
+                      AS2 (sbci,r29,hi8(63)) CR_TAB
                       AS2 (subi,r28,lo8(%o0-60)) CR_TAB 
                       AS2 (sbci,r29,hi8(%o0-60)));
             } else {
@@ -3338,7 +3338,7 @@ out_movsi_mr_r (rtx insn, rtx op[], int 
 	            AS2 (st,Y+,%C1)           CR_TAB
 	            AS2 (st,Y,%D1)           CR_TAB
                     AS2 (subi,r28,lo8(3))   CR_TAB
-                    AS2 (sbci,r29,lo8(3))   CR_TAB
+                    AS2 (sbci,r29,hi8(3))   CR_TAB
 	            AS2 (subi,r28,lo8(%o0))  CR_TAB
 	            AS2 (sbci,r29,hi8(%o0)));
           } else {