[pypy-svn] r72495 - pypy/trunk/pypy/config

[arigo at codespeak.net]

Author: arigo
Date: Sun Mar 21 16:57:39 2010
New Revision: 72495

Modified:
   pypy/trunk/pypy/config/translationoption.py
Log:
Set (again) gcremovetypeptr as default for 64-bit translations.
It gives a pypy-c that is faster (+10%), consumes less memory
of course, and is smaller.


Modified: pypy/trunk/pypy/config/translationoption.py
==============================================================================
--- pypy/trunk/pypy/config/translationoption.py	(original)
+++ pypy/trunk/pypy/config/translationoption.py	Sun Mar 21 16:57:39 2010
@@ -1,5 +1,5 @@
 import autopath
-import py, os
+import py, os, sys
 from pypy.config.config import OptionDescription, BoolOption, IntOption, ArbitraryOption, FloatOption
 from pypy.config.config import ChoiceOption, StrOption, to_optparse, Config
 from pypy.config.config import ConfigError
@@ -11,6 +11,8 @@
 DEFL_CLEVER_MALLOC_REMOVAL_INLINE_THRESHOLD = 32.4
 DEFL_LOW_INLINE_THRESHOLD = DEFL_INLINE_THRESHOLD / 2.0
 
+IS_64_BITS = sys.maxint > 2147483647
+
 PLATFORMS = [
     'maemo',
     'host',
@@ -73,7 +75,7 @@
                               ("translation.gcremovetypeptr", False)],
                  }),
     BoolOption("gcremovetypeptr", "Remove the typeptr from every object",
-               default=False, cmdline="--gcremovetypeptr"),
+               default=IS_64_BITS, cmdline="--gcremovetypeptr"),
     ChoiceOption("gcrootfinder",
                  "Strategy for finding GC Roots (framework GCs only)",
                  ["n/a", "shadowstack", "asmgcc"],