Author: David Schneider <david.schnei...@picle.org>
Branch: arm-backend-2
Changeset: r51278:7606d3ea9b4d
Date: 2012-01-12 15:31 +0100
http://bitbucket.org/pypy/pypy/changeset/7606d3ea9b4d/

Log:    Import test from ppc backend

diff --git a/pypy/jit/backend/arm/test/test_runner.py 
b/pypy/jit/backend/arm/test/test_runner.py
--- a/pypy/jit/backend/arm/test/test_runner.py
+++ b/pypy/jit/backend/arm/test/test_runner.py
@@ -175,3 +175,33 @@
         res = self.execute_operation(rop.GETFIELD_GC, [t_box],
                                      'float', descr=floatdescr)
         assert res.getfloat() == -3.6
+
+    def test_compile_loop_many_int_args(self):
+        for numargs in range(2, 30):
+            for _ in range(numargs):
+                self.cpu.reserve_some_free_fail_descr_number()
+            ops = []
+            arglist = "[%s]\n" % ", ".join(["i%d" % i for i in range(numargs)])
+            ops.append(arglist)
+
+            arg1 = 0
+            arg2 = 1
+            res = numargs
+            for i in range(numargs - 1):
+                op = "i%d = int_add(i%d, i%d)\n" % (res, arg1, arg2)
+                arg1 = res
+                res += 1
+                arg2 += 1
+                ops.append(op)
+            ops.append("finish(i%d)" % (res - 1))
+
+            ops = "".join(ops)
+            loop = parse(ops)
+            looptoken = JitCellToken()
+            done_number = 
self.cpu.get_fail_descr_number(loop.operations[-1].getdescr())
+            self.cpu.compile_loop(loop.inputargs, loop.operations, looptoken)
+            ARGS = [lltype.Signed] * numargs
+            RES = lltype.Signed
+            args = [i+1 for i in range(numargs)]
+            res = self.cpu.execute_token(looptoken, *args)
+            assert self.cpu.get_latest_value_int(0) == sum(args)
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