diff --git a/sparc64/machine.m4 b/sparc64/machine.m4
index 3714d8afc9cc8cda243d41dd6389c5f69bffd53a..4c1c0e5a2df972bf3a90ae569dcc1ac528df51a4 100644
--- a/sparc64/machine.m4
+++ b/sparc64/machine.m4
@@ -1,5 +1,4 @@
 define(<BIAS>, 2047) C Magic stack bias for the Sparc64 ABI
 
-C Use the same AES macros as on sparc32.
-include_src(sparc/machine.m4)
-
+.register %g2,#scratch
+.register %g3,#scratch