Author: Maciej Fijalkowski <fij...@gmail.com>
Branch: 
Changeset: r51184:d16e4f017733
Date: 2012-01-10 00:34 +0200
http://bitbucket.org/pypy/pypy/changeset/d16e4f017733/

Log:    include some actually useful info in --help

diff --git a/pypy/translator/goal/app_main.py b/pypy/translator/goal/app_main.py
--- a/pypy/translator/goal/app_main.py
+++ b/pypy/translator/goal/app_main.py
@@ -139,8 +139,8 @@
     items = pypyjit.defaults.items()
     items.sort()
     for key, value in items:
-        print '  --jit %s=N %slow-level JIT parameter (default %s)' % (
-            key, ' '*(18-len(key)), value)
+        print '  --jit %s=N %s%s (default %s)' % (
+            key, ' '*(18-len(key)), pypyjit.PARAMETER_DOCS[key], value)
     print '  --jit off                  turn off the JIT'
 
 def print_version(*args):
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