Author: Richard Plangger <r...@pasra.at>
Branch: vecopt
Changeset: r78029:fa11cb002cc1
Date: 2015-06-11 11:35 +0200
http://bitbucket.org/pypy/pypy/changeset/fa11cb002cc1/
Log: added llgraph impl for reduce (+,-,*)n
diff --git a/rpython/jit/backend/llgraph/runner.py
b/rpython/jit/backend/llgraph/runner.py
--- a/rpython/jit/backend/llgraph/runner.py
+++ b/rpython/jit/backend/llgraph/runner.py
@@ -3,7 +3,7 @@
from rpython.jit.backend.llgraph import support
from rpython.jit.backend.llsupport import symbolic
from rpython.jit.metainterp.history import AbstractDescr
-from rpython.jit.metainterp.history import Const, getkind
+from rpython.jit.metainterp.history import Const, getkind, BoxVectorAccum
from rpython.jit.metainterp.history import INT, REF, FLOAT, VOID, VECTOR
from rpython.jit.metainterp.resoperation import rop
from rpython.jit.metainterp.optimizeopt import intbounds
@@ -862,6 +862,17 @@
value = self.env[box]
else:
value = None
+ if isinstance(box, BoxVectorAccum):
+ if box.operator == '+':
+ value = sum(value)
+ elif box.operator == '-':
+ def sub(acc, x): return acc - x
+ value = reduce(sub, value, 0)
+ elif box.operator == '*':
+ def prod(acc, x): return acc * x
+ value = reduce(prod, value, 1)
+ else:
+ raise NotImplementedError
values.append(value)
if hasattr(descr, '_llgraph_bridge'):
target = (descr._llgraph_bridge, -1)
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