Author: Armin Rigo <[email protected]>
Branch: emit-call-x86
Changeset: r64359:ec3557234635
Date: 2013-05-20 12:28 +0200
http://bitbucket.org/pypy/pypy/changeset/ec3557234635/
Log: Add a test, which passes on CPython but crashes on pypy (tested with
2.0.0).
diff --git a/pypy/module/pypyjit/test_pypy_c/bug1.py
b/pypy/module/pypyjit/test_pypy_c/bug1.py
new file mode 100644
--- /dev/null
+++ b/pypy/module/pypyjit/test_pypy_c/bug1.py
@@ -0,0 +1,57 @@
+import cffi, thread, time, sys
+
+
+ffi = cffi.FFI()
+
+ffi.cdef("""
+ long foobar(long a, long b, long c, long d, long e, long f,
+ long a2, long b2, long c2, long d2, long e2, long f2,
+ long a3, long b3, long c3, long d3, long e3, long f3,
+ long a4, long b4, long c4, long d4, long e4, long f4);
+""")
+
+lib = ffi.verify("""
+ long foobar(long a, long b, long c, long d, long e, long f,
+ long a2, long b2, long c2, long d2, long e2, long f2,
+ long a3, long b3, long c3, long d3, long e3, long f3,
+ long a4, long b4, long c4, long d4, long e4, long f4)
+ {
+ return a * 1 + b * 2 + c * 3 + d * 4 + e * 5 + f * 6 +
+ (a2 * 1 + b2 * 2 + c2 * 3 + d2 * 4 + e2 * 5 + f2 * 6) * (-3) +
+ (a3 * 1 + b3 * 2 + c3 * 3 + d3 * 4 + e3 * 5 + f3 * 6) * (-5) +
+ (a4 * 1 + b4 * 2 + c4 * 3 + d4 * 4 + e4 * 5 + f4 * 6) * (-7);
+ }
+""")
+
+
+def runme():
+ for j in range(10):
+ for i in range(10000):
+ args = [i-k for k in range(24)]
+ x = lib.foobar(*args)
+ (a,b,c,d,e,f,a2,b2,c2,d2,e2,f2,
+ a3,b3,c3,d3,e3,f3,a4,b4,c4,d4,e4,f4) = args
+ assert x == (
+ a * 1 + b * 2 + c * 3 + d * 4 + e * 5 + f * 6 +
+ (a2 * 1 + b2 * 2 + c2 * 3 + d2 * 4 + e2 * 5 + f2 * 6) * (-3) +
+ (a3 * 1 + b3 * 2 + c3 * 3 + d3 * 4 + e3 * 5 + f3 * 6) * (-5) +
+ (a4 * 1 + b4 * 2 + c4 * 3 + d4 * 4 + e4 * 5 + f4 * 6) * (-7))
+
+done = []
+
+def submain():
+ try:
+ runme()
+ err = None
+ except:
+ err = sys.exc_info()
+ done.append(err)
+
+for i in range(2):
+ thread.start_new_thread(submain, ())
+while len(done) < 2:
+ time.sleep(0.1)
+
+for err in done:
+ if err is not None:
+ raise err[0], err[1], err[2]
diff --git a/pypy/module/pypyjit/test_pypy_c/test_bug.py
b/pypy/module/pypyjit/test_pypy_c/test_bug.py
new file mode 100644
--- /dev/null
+++ b/pypy/module/pypyjit/test_pypy_c/test_bug.py
@@ -0,0 +1,14 @@
+import os, sys, py, subprocess
+
+localdir = os.path.dirname(os.path.abspath(__file__))
+
+
+def test_bug1():
+ if not sys.platform.startswith('linux'):
+ py.test.skip("linux-only test")
+
+ cmdline = ['taskset', '-c', '0',
+ sys.executable, os.path.join(localdir, 'bug1.py')]
+ popen = subprocess.Popen(cmdline)
+ err = popen.wait()
+ assert err == 0
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