--- old/src/share/vm/c1/c1_LinearScan.cpp	2012-04-16 11:11:28.071334690 +0200
+++ new/src/share/vm/c1/c1_LinearScan.cpp	2012-04-16 11:11:27.860024259 +0200
@@ -6579,6 +6579,8 @@
         case lir_abs:
         case lir_log10:
         case lir_log:
+        case lir_pow:
+        case lir_exp:
         case lir_logic_and:
         case lir_logic_or:
         case lir_logic_xor: