[pypy-commit] pypy array-propagate-len: fix FakeDescr, document branch

[squeaky]

Author: Squeaky <squeaky_pl at gmx.com>
Branch: array-propagate-len
Changeset: r69163:6be6ca6b8558
Date: 2014-02-15 18:07 +0100
http://bitbucket.org/pypy/pypy/changeset/6be6ca6b8558/

Log:	fix FakeDescr, document branch

diff --git a/pypy/doc/whatsnew-head.rst b/pypy/doc/whatsnew-head.rst
--- a/pypy/doc/whatsnew-head.rst
+++ b/pypy/doc/whatsnew-head.rst
@@ -67,3 +67,7 @@
 With a properly configured 256-color terminal (TERM=...-256color), the
 Mandelbrot set shown during translation now uses a range of 50 colours.
 Essential!
+
+.. branch: array-propagate-len
+Kill some guards and operations in JIT traces by adding integer bounds
+propagation for getfield_(raw|gc) and getarrayitem_(raw|gc).
diff --git a/rpython/jit/metainterp/optimizeopt/test/test_optimizeopt.py b/rpython/jit/metainterp/optimizeopt/test/test_optimizeopt.py
--- a/rpython/jit/metainterp/optimizeopt/test/test_optimizeopt.py
+++ b/rpython/jit/metainterp/optimizeopt/test/test_optimizeopt.py
@@ -5563,6 +5563,8 @@
                 self.name = name
             def sort_key(self):
                 return id(self)
+            def is_integer_bounded(self):
+                return False
 
 
         for n in ('inst_w_seq', 'inst_index', 'inst_w_list', 'inst_length',