[pypy-commit] pypy emit-call-x86: fix

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: emit-call-x86
Changeset: r64343:272efc3772c8
Date: 2013-05-19 20:46 +0200
http://bitbucket.org/pypy/pypy/changeset/272efc3772c8/

Log:	fix

diff --git a/rpython/jit/backend/x86/callbuilder.py b/rpython/jit/backend/x86/callbuilder.py
--- a/rpython/jit/backend/x86/callbuilder.py
+++ b/rpython/jit/backend/x86/callbuilder.py
@@ -348,12 +348,13 @@
     def _unused_gpr(self, hint):
         i = self.next_arg_gpr
         self.next_arg_gpr = i + 1
-        if hint in self.DONT_MOVE_GPR:
-            return hint
         try:
-            return self.ARGUMENTS_GPR[i]
+            res = self.ARGUMENTS_GPR[i]
         except IndexError:
             return None
+        if hint in self.DONT_MOVE_GPR:
+            res = hint
+        return res
 
     def _unused_xmm(self):
         i = self.next_arg_xmm