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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
|
from rpython.jit.backend.test.runner_test import LLtypeBackendTest
from rpython.jit.backend.ppc.runner import PPC_CPU
from rpython.jit.tool.oparser import parse
from rpython.jit.metainterp.history import (AbstractFailDescr,
AbstractDescr,
BasicFailDescr, BasicFinalDescr,
JitCellToken, TargetToken,
ConstInt, ConstPtr,
Const, ConstFloat)
from rpython.jit.metainterp.resoperation import InputArgInt, InputArgFloat
from rpython.rtyper.lltypesystem import lltype
from rpython.jit.metainterp.resoperation import ResOperation, rop
from rpython.jit.backend.ppc.arch import IS_PPC_32
import py
class FakeStats(object):
pass
class TestPPC(LLtypeBackendTest):
# for the individual tests see
# ====> ../../test/runner_test.py
assert not IS_PPC_32
load_imm_instructions = (
"(li|lis(; ori)?)(; rldicr(; oris)?(; ori)?)?")
add_loop_instructions = "ld; add; cmpdi; beq-?; b;"
bridge_loop_instructions = (
"ld; cmpdi; bge.; "
"li; %s; mtctr; %s; bctrl; "
"%s; mtctr; bctr;" % (
load_imm_instructions, load_imm_instructions,
load_imm_instructions))
def get_cpu(self):
cpu = PPC_CPU(rtyper=None, stats=FakeStats())
cpu.setup_once()
return cpu
def test_compile_loop_many_int_args(self):
for numargs in range(2, 16):
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()
self.cpu.compile_loop(loop.inputargs, loop.operations, looptoken)
ARGS = [lltype.Signed] * numargs
RES = lltype.Signed
args = [i+1 for i in range(numargs)]
deadframe = self.cpu.execute_token(looptoken, *args)
assert self.cpu.get_int_value(deadframe, 0) == sum(args)
def test_return_spilled_args(self):
numargs = 50
ops = []
arglist = "[%s]\n" % ", ".join(["i%d" % i for i in range(numargs)])
ops.append(arglist)
# spill every inputarg
for i in range(numargs):
ops.append("force_spill(i%d)\n" % i)
ops.append("guard_value(i0, -1) %s" % arglist)
ops = "".join(ops)
loop = parse(ops)
looptoken = JitCellToken()
faildescr = 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)]
deadframe = self.cpu.execute_token(looptoken, *args)
fail = self.cpu.get_latest_descr(deadframe)
assert fail is faildescr
for i in range(numargs):
assert self.cpu.get_int_value(deadframe, i) == i + 1
bridgeops = [arglist]
bridgeops.append("guard_value(i1, -5) %s" % arglist)
bridgeops = "".join(bridgeops)
bridge = parse(bridgeops)
faildescr2 = bridge.operations[-1].getdescr()
self.cpu.compile_bridge(faildescr, bridge.inputargs, bridge.operations, looptoken)
deadframe = self.cpu.execute_token(looptoken, *args)
fail = self.cpu.get_latest_descr(deadframe)
assert fail is faildescr2
for i in range(numargs):
assert self.cpu.get_int_value(deadframe, i) == i + 1
def test_unicodesetitem_really_needs_temploc(self):
u_box = self.alloc_unicode(u"abcdsdasdsaddefg")
targettoken = TargetToken()
finaldescr = BasicFinalDescr(1)
loop = parse('''
[i0, i1, i2, i3, i4, i5, i6, i7, i8, i9, p10]
label(i0, i1, i2, i3, i4, i5, i6, i7, i8, i9, p10, descr=targettoken)
unicodesetitem(p10, i6, 123)
i11 = int_add(i0, i1)
i12 = int_add(i11, i2)
i13 = int_add(i12, i3)
i14 = int_add(i13, i4)
i15 = int_add(i14, i5)
i16 = int_add(i15, i6)
i17 = int_add(i16, i7)
i18 = int_add(i17, i8)
i19 = int_add(i18, i9)
finish(i19, descr=finaldescr)
''', namespace={'targettoken': targettoken,
'finaldescr': finaldescr})
looptoken = JitCellToken()
args = [(i + 1) for i in range(10)] + [u_box.getref_base()]
self.cpu.compile_loop(loop.inputargs, loop.operations, looptoken)
deadframe = self.cpu.execute_token(looptoken, *args)
fail = self.cpu.get_latest_descr(deadframe)
assert fail.identifier == 1
res = self.cpu.get_int_value(deadframe, 0)
assert res == sum(args[:10])
def test_debugger_on(self):
py.test.skip("XXX")
from rpython.rlib import debug
targettoken, preambletoken = TargetToken(), TargetToken()
loop = """
[i0]
label(i0, descr=preambletoken)
debug_merge_point('xyz', 0)
i1 = int_add(i0, 1)
i2 = int_ge(i1, 10)
guard_false(i2) []
label(i1, descr=targettoken)
debug_merge_point('xyz', 0)
i11 = int_add(i1, 1)
i12 = int_ge(i11, 10)
guard_false(i12) []
jump(i11, descr=targettoken)
"""
ops = parse(loop, namespace={'targettoken': targettoken,
'preambletoken': preambletoken})
debug._log = dlog = debug.DebugLog()
try:
self.cpu.assembler.set_debug(True)
looptoken = JitCellToken()
self.cpu.compile_loop(ops.inputargs, ops.operations, looptoken)
self.cpu.execute_token(looptoken, 0)
# check debugging info
struct = self.cpu.assembler.loop_run_counters[0]
assert struct.i == 1
struct = self.cpu.assembler.loop_run_counters[1]
assert struct.i == 1
struct = self.cpu.assembler.loop_run_counters[2]
assert struct.i == 9
self.cpu.finish_once()
finally:
debug._log = None
l0 = ('debug_print', 'entry -1:1')
l1 = ('debug_print', preambletoken.repr_of_descr() + ':1')
l2 = ('debug_print', targettoken.repr_of_descr() + ':9')
assert ('jit-backend-counts', [l0, l1, l2]) in dlog
def test_compile_more_than_32k(self):
# the guard_true needs a "b.cond" jumping forward more than 32 kb
looptoken = JitCellToken()
targettoken = TargetToken()
ops = [
'[i0]',
'label(i0, descr=targettoken)',
'i1 = int_le(i0, 9)',
'guard_true(i1, descr=faildescr) [i0]',
]
NUM = 8193
iprevious = 'i0'
for i in range(NUM):
inext = 'i%d' % (i + 2,)
ops.append('%s = int_add(%s, 1)' % (inext, iprevious))
iprevious = inext
ops.append('jump(%s, descr=targettoken)' % (iprevious,))
loop = parse('\n'.join(ops), namespace={'targettoken': targettoken,
'faildescr': BasicFailDescr(5)})
self.cpu.compile_loop(loop.inputargs, loop.operations, looptoken)
deadframe = self.cpu.execute_token(looptoken, -42)
fail = self.cpu.get_latest_descr(deadframe)
assert fail.identifier == 5
res = self.cpu.get_int_value(deadframe, 0)
assert res == -42 + NUM
def test_call_many_float_args(self):
from rpython.rtyper.annlowlevel import llhelper
from rpython.jit.codewriter.effectinfo import EffectInfo
seen = []
def func(*args):
seen.append(args)
return -42
F = lltype.Float
I = lltype.Signed
FUNC = self.FuncType([F] * 7 + [I] + [F] * 7 + [I] + [F], I)
FPTR = self.Ptr(FUNC)
func_ptr = llhelper(FPTR, func)
cpu = self.cpu
calldescr = cpu.calldescrof(FUNC, FUNC.ARGS, FUNC.RESULT,
EffectInfo.MOST_GENERAL)
funcbox = self.get_funcbox(cpu, func_ptr)
argvals = [.1 * i for i in range(15)]
argvals.insert(7, 77)
argvals.insert(15, 1515)
argvals = tuple(argvals)
argboxes = []
for x in argvals:
if isinstance(x, float):
argboxes.append(InputArgFloat(x))
else:
argboxes.append(InputArgInt(x))
res = self.execute_operation(rop.CALL_I,
[funcbox] + argboxes,
'int', descr=calldescr)
assert res == -42
assert seen == [argvals]
def test_subi_range(self):
for i in [-32769, -32768, -32767, 32767, 32768, 32769]:
ops = '''
[i0]
i1 = int_sub(i0, %d)
i2 = int_sub_ovf(i1, %d)
finish(i2)
''' % (i, i)
loop = parse(ops, self.cpu, namespace=locals())
looptoken = JitCellToken()
self.cpu.compile_loop(loop.inputargs, loop.operations, looptoken)
deadframe = self.cpu.execute_token(looptoken, 10000000)
assert self.cpu.get_int_value(deadframe, 0) == 10000000 - 2 * i
|
