[pypy-commit] pypy string-promote-2: explain

[fijal]

Author: Maciej Fijalkowski <fijall at gmail.com>
Branch: string-promote-2
Changeset: r47957:944836e6101d
Date: 2011-10-12 00:34 +0200
http://bitbucket.org/pypy/pypy/changeset/944836e6101d/

Log:	explain

diff --git a/pypy/jit/metainterp/pyjitpl.py b/pypy/jit/metainterp/pyjitpl.py
--- a/pypy/jit/metainterp/pyjitpl.py
+++ b/pypy/jit/metainterp/pyjitpl.py
@@ -904,6 +904,8 @@
             constbox = box.constbox()
             resbox = self.do_residual_call(funcbox, descr, [box, constbox])
             promoted_box = resbox.constbox()
+            # This is GUARD_VALUE because GUARD_TRUE assumes the existance
+            # of a label when computing resumepc
             self.generate_guard(rop.GUARD_VALUE, resbox, [promoted_box],
                                 resumepc=orgpc)
             self.metainterp.replace_box(box, constbox)