Author: Hakan Ardo <[email protected]>
Branch: jit-targets
Changeset: r50353:8164cef19074
Date: 2011-12-10 16:33 +0100
http://bitbucket.org/pypy/pypy/changeset/8164cef19074/
Log: hg merge
diff --git a/pypy/jit/backend/x86/regalloc.py b/pypy/jit/backend/x86/regalloc.py
--- a/pypy/jit/backend/x86/regalloc.py
+++ b/pypy/jit/backend/x86/regalloc.py
@@ -1325,7 +1325,7 @@
def compute_hint_frame_locations(self, operations):
# optimization only: fill in the 'hint_frame_locations' dictionary
- # of rm and xrm based on the JUMP at the end of the loop, by looking
+ # of 'fm' based on the JUMP at the end of the loop, by looking
# at where we would like the boxes to be after the jump.
op = operations[-1]
if op.getopnum() != rop.JUMP:
@@ -1337,6 +1337,11 @@
# if the target LABEL was already compiled, i.e. if it belongs
# to some already-compiled piece of code
self._compute_hint_frame_locations_from_descr(descr)
+ #else:
+ # The loop ends in a JUMP going back to a LABEL in the same loop.
+ # We cannot fill 'hint_frame_locations' immediately, but we can
+ # wait until the corresponding consider_label() to know where the
+ # we would like the boxes to be after the jump.
def _compute_hint_frame_locations_from_descr(self, descr):
nonfloatlocs, floatlocs = descr._x86_arglocs
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