1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
from rpython.jit.backend.llsupport.test.test_regalloc_integration import BaseTestRegalloc
from rpython.jit.backend.detect_cpu import getcpuclass
from rpython.rtyper.lltypesystem import lltype, llmemory
CPU = getcpuclass()
class TestConstPtr(BaseTestRegalloc):
cpu = CPU(None, None)
#cpu.gc_ll_descr = MockGcDescr(False)
cpu.setup_once()
S = lltype.GcForwardReference()
fields = [('int%d' % i, lltype.Signed) for i in range(1050)]
S.become(lltype.GcStruct('S', *fields))
fielddescr = cpu.fielddescrof(S, 'int1049')
struct_ptr = lltype.malloc(S)
struct_ref = lltype.cast_opaque_ptr(llmemory.GCREF, struct_ptr)
ptr0 = struct_ref
namespace = locals().copy()
def test_finish_failargs_constptr(self):
ops = '''
[i0]
i1 = int_add(i0, 1)
finish(ConstPtr(ptr0))
'''
loop = self.interpret(ops, [99])
ptr = self.getptr(0, lltype.Ptr(self.S))
assert self.struct_ptr == ptr
def test_getfield_with_offset_gt_one_byte(self):
self.struct_ptr.int1049 = 666
ops = '''
[p0]
i0 = getfield_gc_i(p0, descr=fielddescr)
finish(i0)
'''
self.interpret(ops, [self.struct_ptr])
assert self.getint(0) == 666
def test_setfield_with_offset_gt_one_byte(self):
ops = '''
[p0]
setfield_gc(p0, 777, descr=fielddescr)
finish()
'''
self.interpret(ops, [self.struct_ptr])
assert self.struct_ptr.int1049 == 777
|
