[pypy-commit] pypy default: do not overwrite r.ip when loading pos_exception before resetting it

[bivab]

Author: David Schneider <david.schneider at picle.org>
Branch: 
Changeset: r63547:c13457babbfb
Date: 2013-04-22 15:02 +0200
http://bitbucket.org/pypy/pypy/changeset/c13457babbfb/

Log:	do not overwrite r.ip when loading pos_exception before resetting it

diff --git a/rpython/jit/backend/arm/assembler.py b/rpython/jit/backend/arm/assembler.py
--- a/rpython/jit/backend/arm/assembler.py
+++ b/rpython/jit/backend/arm/assembler.py
@@ -122,8 +122,8 @@
         if exctploc is not None:
             # store pos_exception in exctploc
             assert exctploc.is_reg()
-            mc.gen_load_int(r.ip.value, self.cpu.pos_exception())
-            self.load_reg(mc, exctploc, r.ip)
+            mc.gen_load_int(tmpreg.value, self.cpu.pos_exception())
+            self.load_reg(mc, exctploc, tmpreg)
 
         # reset exception
         mc.gen_load_int(tmpreg.value, 0)