[pypy-svn] r77418 - pypy/extradoc/planning

[arigo at codespeak.net]

Author: arigo
Date: Mon Sep 27 17:35:46 2010
New Revision: 77418

Modified:
   pypy/extradoc/planning/jit.txt
Log:
A minor x86_64 task.


Modified: pypy/extradoc/planning/jit.txt
==============================================================================
--- pypy/extradoc/planning/jit.txt	(original)
+++ pypy/extradoc/planning/jit.txt	Mon Sep 27 17:35:46 2010
@@ -81,6 +81,10 @@
 
 - guard_true(frame.is_being_profiled) all over the place
 
+- at the end of every loop there is on x86-64:
+    int_and(i49, Const(0x8000000000f00000))
+  which is not a constant that fits in 32-bits.  Optimize that.
+
 - xxx (find more examples :-)