fixing two bugs in twister (asm)

[avr-crypto-lib.git] / twister-big-asm.S

diff --git a/twister-big-asm.S b/twister-big-asm.S
index e6e769125f74f722335ffac56ff4d521f7ce3a87..a274cf4763b732e1241196fcc3c5cec2d584a10f 100644 (file)
--- a/twister-big-asm.S
+++ b/twister-big-asm.S
@@ -405,10 +405,11 @@ twister_big_lastBlock:
 3:
        tst r18
        breq 4f
+31:
        st Z+, r0
        ld r0, X+
        dec r18
-       
+       brne 31b
 4:     
        mov r18, LEN_SAVE0
        andi r18, 0x07
@@ -423,11 +424,13 @@ twister_big_lastBlock:
 
 5:
        st Z+, r20      
+       tst r19
+       breq 7f
 6:     
        st Z+, r1
        dec r19
        brne 6b
-       
+7:     
        movw r24, CTX_SAVE0
        movw r22, TMP_SAVE0
        rcall twister_big_nextBlock