X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=threefish256_dec_asm.S;h=d2316c6deb5b446e9c784c04d0301479b69e09ce;hb=dca8c6894a08717979d3e4f64908702620171dee;hp=e55ca6852023d6a9071e9822ec108b0ad40a140e;hpb=877bd61c0f8df66c000d0f9f35d87cddc5dd0957;p=avr-crypto-lib.git

diff --git a/threefish256_dec_asm.S b/threefish256_dec_asm.S
index e55ca68..d2316c6 100644
--- a/threefish256_dec_asm.S
+++ b/threefish256_dec_asm.S
@@ -152,7 +152,7 @@ threefish256_dec:
 	sbc r0, r1
 	st X+, r0
 	ld r0, X
-	adc r0, r1
+	sbc r0, r1
 	st X+, r0
 	tst S
 	brne 3f