[pypy-svn] r41312 - pypy/dist/pypy/jit/tl

[arigo at codespeak.net]

Author: arigo
Date: Mon Mar 26 11:02:17 2007
New Revision: 41312

Added:
   pypy/dist/pypy/jit/tl/targettiny1.py   (contents, props changed)
   pypy/dist/pypy/jit/tl/tiny1.py   (contents, props changed)
Log:
The small example from draft-jit.txt.


Added: pypy/dist/pypy/jit/tl/targettiny1.py
==============================================================================
--- (empty file)
+++ pypy/dist/pypy/jit/tl/targettiny1.py	Mon Mar 26 11:02:17 2007
@@ -0,0 +1,29 @@
+from pypy.jit.tl import tiny1
+from pypy.jit.codegen.hlinfo import highleveljitinfo
+
+
+def entry_point(args):
+    highleveljitinfo.sys_executable = args[0]
+    if len(args) < 4:
+        print "Usage: %s bytecode x y" % (args[0],)
+        return 2
+    bytecode = args[1]
+    x = int(args[2])
+    y = int(args[3])
+    res = tiny1.ll_plus_minus(bytecode, x, y)
+    print res
+    return 0
+
+def target(driver, args):
+    return entry_point, None
+
+# ____________________________________________________________
+
+from pypy.jit.hintannotator.annotator import HintAnnotatorPolicy
+
+class MyHintAnnotatorPolicy(HintAnnotatorPolicy):
+    novirtualcontainer = True
+    oopspec = True
+
+def portal(driver):
+    return tiny2.interpret, MyHintAnnotatorPolicy()

Added: pypy/dist/pypy/jit/tl/tiny1.py
==============================================================================
--- (empty file)
+++ pypy/dist/pypy/jit/tl/tiny1.py	Mon Mar 26 11:02:17 2007
@@ -0,0 +1,20 @@
+from pypy.rlib.objectmodel import hint
+
+
+def ll_plus_minus(s, x, y):
+    acc = x
+    pc = 0
+    while pc < len(s):
+        op = s[pc]
+        op = hint(op, concrete=True)
+        if op == '+':
+            acc += y
+        elif op == '-':
+            acc -= y
+        pc += 1
+    return acc
+
+
+def test_simple():
+    res = ll_plus_minus("+-++", 100, 10)
+    assert res == 120