Author: David Schneider <david.schnei...@picle.org>
Branch: arm-backend-2
Changeset: r51436:b2fff2c474ff
Date: 2012-01-18 12:11 +0100
http://bitbucket.org/pypy/pypy/changeset/b2fff2c474ff/
Log: move this test to the x86 backend
diff --git a/pypy/jit/backend/x86/test/test_runner.py
b/pypy/jit/backend/x86/test/test_runner.py
--- a/pypy/jit/backend/x86/test/test_runner.py
+++ b/pypy/jit/backend/x86/test/test_runner.py
@@ -582,3 +582,52 @@
self.cpu.execute_token(looptoken, 0)
assert looptoken._x86_debug_checksum == sum([op.getopnum()
for op in ops.operations])
+
+ def test_compile_asmlen(self):
+ from pypy.jit.backend.llsupport.llmodel import AbstractLLCPU
+ if not isinstance(self.cpu, AbstractLLCPU):
+ py.test.skip("pointless test on non-asm")
+ from pypy.jit.backend.x86.tool.viewcode import machine_code_dump
+ import ctypes
+ ops = """
+ [i2]
+ i0 = same_as(i2) # but forced to be in a register
+ label(i0, descr=1)
+ i1 = int_add(i0, i0)
+ guard_true(i1, descr=faildesr) [i1]
+ jump(i1, descr=1)
+ """
+ faildescr = BasicFailDescr(2)
+ loop = parse(ops, self.cpu, namespace=locals())
+ faildescr = loop.operations[-2].getdescr()
+ jumpdescr = loop.operations[-1].getdescr()
+ bridge_ops = """
+ [i0]
+ jump(i0, descr=jumpdescr)
+ """
+ bridge = parse(bridge_ops, self.cpu, namespace=locals())
+ looptoken = JitCellToken()
+ self.cpu.assembler.set_debug(False)
+ info = self.cpu.compile_loop(loop.inputargs, loop.operations,
looptoken)
+ bridge_info = self.cpu.compile_bridge(faildescr, bridge.inputargs,
+ bridge.operations,
+ looptoken)
+ self.cpu.assembler.set_debug(True) # always on untranslated
+ assert info.asmlen != 0
+ cpuname = autodetect_main_model_and_size()
+ # XXX we have to check the precise assembler, otherwise
+ # we don't quite know if borders are correct
+
+ def checkops(mc, ops):
+ assert len(mc) == len(ops)
+ for i in range(len(mc)):
+ assert mc[i].split("\t")[-1].startswith(ops[i])
+
+ data = ctypes.string_at(info.asmaddr, info.asmlen)
+ mc = list(machine_code_dump(data, info.asmaddr, cpuname))
+ lines = [line for line in mc if line.count('\t') == 2]
+ checkops(lines, self.add_loop_instructions)
+ data = ctypes.string_at(bridge_info.asmaddr, bridge_info.asmlen)
+ mc = list(machine_code_dump(data, bridge_info.asmaddr, cpuname))
+ lines = [line for line in mc if line.count('\t') == 2]
+ checkops(lines, self.bridge_loop_instructions)
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