Author: Maciej Fijalkowski <fij...@gmail.com>
Branch:
Changeset: r67357:5c7098ff9525
Date: 2013-10-14 14:39 +0200
http://bitbucket.org/pypy/pypy/changeset/5c7098ff9525/
Log: merge
diff --git a/rpython/jit/metainterp/optimizeopt/rewrite.py
b/rpython/jit/metainterp/optimizeopt/rewrite.py
--- a/rpython/jit/metainterp/optimizeopt/rewrite.py
+++ b/rpython/jit/metainterp/optimizeopt/rewrite.py
@@ -129,6 +129,7 @@
self.make_equal_to(op.result, v1)
else:
self.emit_operation(op)
+ self.pure(rop.INT_ADD, [op.getarg(1), op.getarg(0)], op.result)
# Synthesize the reverse op for optimize_default to reuse
self.pure(rop.INT_SUB, [op.result, op.getarg(1)], op.getarg(0))
self.pure(rop.INT_SUB, [op.result, op.getarg(0)], op.getarg(1))
diff --git a/rpython/jit/metainterp/optimizeopt/test/test_optimizebasic.py
b/rpython/jit/metainterp/optimizeopt/test/test_optimizebasic.py
--- a/rpython/jit/metainterp/optimizeopt/test/test_optimizebasic.py
+++ b/rpython/jit/metainterp/optimizeopt/test/test_optimizebasic.py
@@ -3670,6 +3670,20 @@
"""
self.optimize_loop(ops, expected)
+ def test_int_add_commutative(self):
+ ops = """
+ [i0, i1]
+ i2 = int_add(i0, i1)
+ i3 = int_add(i1, i0)
+ jump(i2, i3)
+ """
+ expected = """
+ [i0, i1]
+ i2 = int_add(i0, i1)
+ jump(i2, i2)
+ """
+ self.optimize_loop(ops, expected)
+
def test_framestackdepth_overhead(self):
ops = """
[p0, i22]
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