Author: Armin Rigo <ar...@tunes.org>
Branch:
Changeset: r53077:da86f3876dcb
Date: 2012-03-01 20:40 +0100
http://bitbucket.org/pypy/pypy/changeset/da86f3876dcb/
Log: A test specifically for the presence of the LEA at the start of the
bridge.
diff --git a/pypy/jit/backend/test/runner_test.py
b/pypy/jit/backend/test/runner_test.py
--- a/pypy/jit/backend/test/runner_test.py
+++ b/pypy/jit/backend/test/runner_test.py
@@ -266,6 +266,38 @@
res = self.cpu.get_latest_value_int(0)
assert res == 20
+ def test_compile_big_bridge_out_of_small_loop(self):
+ i0 = BoxInt()
+ faildescr1 = BasicFailDescr(1)
+ looptoken = JitCellToken()
+ operations = [
+ ResOperation(rop.GUARD_FALSE, [i0], None, descr=faildescr1),
+ ResOperation(rop.FINISH, [], None, descr=BasicFailDescr(2)),
+ ]
+ inputargs = [i0]
+ operations[0].setfailargs([i0])
+ self.cpu.compile_loop(inputargs, operations, looptoken)
+
+ i1list = [BoxInt() for i in range(1000)]
+ bridge = []
+ iprev = i0
+ for i1 in i1list:
+ bridge.append(ResOperation(rop.INT_ADD, [iprev, ConstInt(1)], i1))
+ iprev = i1
+ bridge.append(ResOperation(rop.GUARD_FALSE, [i0], None,
+ descr=BasicFailDescr(3)))
+ bridge.append(ResOperation(rop.FINISH, [], None,
+ descr=BasicFailDescr(4)))
+ bridge[-2].setfailargs(i1list)
+
+ self.cpu.compile_bridge(faildescr1, [i0], bridge, looptoken)
+
+ fail = self.cpu.execute_token(looptoken, 1)
+ assert fail.identifier == 3
+ for i in range(1000):
+ res = self.cpu.get_latest_value_int(i)
+ assert res == 2 + i
+
def test_get_latest_value_count(self):
i0 = BoxInt()
i1 = BoxInt()
_______________________________________________
pypy-commit mailing list
pypy-commit@python.org
http://mail.python.org/mailman/listinfo/pypy-commit
