New issue 2512: pypy2 5.6/5.7 regression
https://bitbucket.org/pypy/pypy/issues/2512/pypy2-56-57-regression
Pete Vine:
Can't translate pypy2 any more, targeting the slowpath backend:
```
[translation:info] Error:
File "/home/guest/pypy2-v5.7.0-src/rpython/translator/goal/translate.py",
line 318, in main
drv.proceed(goals)
File "/home/guest/pypy2-v5.7.0-src/rpython/translator/driver.py", line 551,
in proceed
result = self._execute(goals, task_skip = self._maybe_skip())
File "/home/guest/pypy2-v5.7.0-src/rpython/translator/tool/taskengine.py",
line 114, in _execute
res = self._do(goal, taskcallable, *args, **kwds)
File "/home/guest/pypy2-v5.7.0-src/rpython/translator/driver.py", line 278,
in _do
res = func()
File "/home/guest/pypy2-v5.7.0-src/rpython/translator/driver.py", line 361,
in task_pyjitpl_lltype
backend_name=self.config.translation.jit_backend, inline=True)
File "/home/guest/pypy2-v5.7.0-src/rpython/jit/metainterp/warmspot.py", line
72, in apply_jit
warmrunnerdesc.finish()
File "/home/guest/pypy2-v5.7.0-src/rpython/jit/metainterp/warmspot.py", line
288, in finish
self.annhelper.finish()
File "/home/guest/pypy2-v5.7.0-src/rpython/rtyper/annlowlevel.py", line 218,
in finish
self.finish_annotate()
File "/home/guest/pypy2-v5.7.0-src/rpython/rtyper/annlowlevel.py", line 238,
in finish_annotate
ann.complete_helpers()
File "/home/guest/pypy2-v5.7.0-src/rpython/annotator/annrpython.py", line
116, in complete_helpers
self.complete()
File "/home/guest/pypy2-v5.7.0-src/rpython/annotator/annrpython.py", line
229, in complete
raise annmodel.AnnotatorError(text)
[translation:ERROR] AnnotatorError:
Blocked block -- operation cannot succeed
v3484 = getattr(self_291, ('element_ones'))
In <FunctionGraph of
(rpython.jit.backend.x86.vector_ext:332)Assembler386.flush_vec_cc at
0x48eb1cd0>:
Happened at file
/home/guest/pypy2-v5.7.0-src/rpython/jit/backend/x86/vector_ext.py line 345
==> self.mc.MOVAPD(maskloc,
heap(self.element_ones[get_scale(size)]))
self.mc.PXOR(resloc, resloc)
# note that resloc contains true false for each element by the
last compare operation
self.mc.PBLENDVB_xx(resloc.value, maskloc.value)
Known variable annotations:
self_291 = SomeInstance(can_be_None=False,
classdef=rpython.jit.backend.x86.assembler.Assembler386)
```
In other words, pypy2 `5.6` or `5.7` can't be translated with
`--jit-backend=x86-without-sse2` any longer.
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