[pypy-commit] pypy stm-jit: Skip some tests that are "only" for optimization, and pass the others.
arigo
noreply at buildbot.pypy.org
Sat Aug 11 08:46:14 CEST 2012
Author: Armin Rigo <arigo at tunes.org>
Branch: stm-jit
Changeset: r56700:99d2caefe1ea
Date: 2012-08-10 16:57 +0200
http://bitbucket.org/pypy/pypy/changeset/99d2caefe1ea/
Log: Skip some tests that are "only" for optimization, and pass the
others.
diff --git a/pypy/jit/backend/llsupport/gc.py b/pypy/jit/backend/llsupport/gc.py
--- a/pypy/jit/backend/llsupport/gc.py
+++ b/pypy/jit/backend/llsupport/gc.py
@@ -821,6 +821,11 @@
self.generate_function('malloc_big_fixedsize', malloc_big_fixedsize,
[lltype.Signed] * 2)
+ if self.stm:
+ from pypy.rlib import rstm
+ self.generate_function('stm_try_inevitable',
+ rstm.become_inevitable, [])
+
def _bh_malloc(self, sizedescr):
from pypy.rpython.memory.gctypelayout import check_typeid
llop1 = self.llop1
diff --git a/pypy/jit/backend/llsupport/stmrewrite.py b/pypy/jit/backend/llsupport/stmrewrite.py
--- a/pypy/jit/backend/llsupport/stmrewrite.py
+++ b/pypy/jit/backend/llsupport/stmrewrite.py
@@ -1,6 +1,6 @@
from pypy.jit.backend.llsupport.rewrite import GcRewriterAssembler
from pypy.jit.metainterp.resoperation import ResOperation, rop
-from pypy.jit.metainterp.history import BoxPtr, ConstPtr
+from pypy.jit.metainterp.history import BoxPtr, ConstPtr, ConstInt
class GcStmRewriterAssembler(GcRewriterAssembler):
@@ -10,6 +10,7 @@
def __init__(self, *args):
GcRewriterAssembler.__init__(self, *args)
self.known_local = set() # set of variables
+ self.always_inevitable = False
def rewrite(self, operations):
# overridden method from parent class
@@ -17,6 +18,10 @@
for op in operations:
if op.getopnum() == rop.DEBUG_MERGE_POINT:
continue
+ # ---------- pure operations, guards ----------
+ if op.is_always_pure() or op.is_guard() or op.is_ovf():
+ self.newops.append(op)
+ continue
# ---------- getfields ----------
if op.getopnum() in (rop.GETFIELD_GC,
rop.GETARRAYITEM_GC,
@@ -26,30 +31,62 @@
# ---------- setfields ----------
if op.getopnum() in (rop.SETFIELD_GC,
rop.SETARRAYITEM_GC,
- rop.SETINTERIORFIELD_GC):
+ rop.SETINTERIORFIELD_GC,
+ rop.STRSETITEM,
+ rop.UNICODESETITEM):
self.handle_setfield_operations(op)
continue
# ---------- mallocs ----------
if op.is_malloc():
self.handle_malloc_operation(op)
continue
- # ---------- calls, labels ----------
- if op.is_call() or op.getopnum() == rop.LABEL:
+ # ---------- calls ----------
+ if op.is_call():
self.known_local.clear()
- # ----------
- self.newops.append(op)
+ if op.getopnum() == rop.CALL_RELEASE_GIL:
+ self.fallback_inevitable(op)
+ else:
+ self.newops.append(op)
+ continue
+ # ---------- copystrcontent ----------
+ if op.getopnum() in (rop.COPYSTRCONTENT,
+ rop.COPYUNICODECONTENT):
+ self.handle_copystrcontent(op)
+ continue
+ # ---------- labels ----------
+ if op.getopnum() == rop.LABEL:
+ self.known_local.clear()
+ self.always_inevitable = False
+ self.newops.append(op)
+ continue
+ # ---------- jump, finish, other ignored ops ----------
+ if op.getopnum() in (rop.JUMP,
+ rop.FINISH,
+ rop.FORCE_TOKEN,
+ rop.READ_TIMESTAMP,
+ rop.MARK_OPAQUE_PTR,
+ rop.JIT_DEBUG,
+ rop.KEEPALIVE,
+ ):
+ self.newops.append(op)
+ continue
+ # ---------- fall-back ----------
+ self.fallback_inevitable(op)
+ #
return self.newops
def gen_write_barrier(self, v_base):
+ v_base = self.unconstifyptr(v_base)
assert isinstance(v_base, BoxPtr)
if v_base in self.known_local:
- return # no write barrier needed
+ return v_base # no write barrier needed
write_barrier_descr = self.gc_ll_descr.write_barrier_descr
args = [v_base, self.c_zero]
self.newops.append(ResOperation(rop.COND_CALL_GC_WB, args, None,
descr=write_barrier_descr))
self.known_local.add(v_base)
+ return v_base
def unconstifyptr(self, v):
if isinstance(v, ConstPtr):
@@ -61,8 +98,9 @@
return v
def handle_setfield_operations(self, op):
- self.gen_write_barrier(self.unconstifyptr(op.getarg(0)))
- self.newops.append(op)
+ lst = op.getarglist()
+ lst[0] = self.gen_write_barrier(lst[0])
+ self.newops.append(op.copy_and_change(op.getopnum(), args=lst))
def handle_malloc_operation(self, op):
GcRewriterAssembler.handle_malloc_operation(self, op)
@@ -70,11 +108,32 @@
def handle_getfield_operations(self, op):
lst = op.getarglist()
+ if lst[0] in self.known_local:
+ self.newops.append(op)
+ return
lst[0] = self.unconstifyptr(lst[0])
self.newops.append(OP_STM_READ_BEFORE)
self.newops.append(op.copy_and_change(op.getopnum(), args=lst))
self.newops.append(OP_STM_READ_AFTER)
+ def handle_copystrcontent(self, op):
+ # first, a write barrier on the target string
+ lst = op.getarglist()
+ lst[1] = self.gen_write_barrier(lst[1])
+ op = op.copy_and_change(op.getopnum(), args=lst)
+ # then a normal STM_READ_BEFORE/AFTER pair on the source string
+ self.handle_getfield_operations(op)
+
+ def fallback_inevitable(self, op):
+ self.known_local.clear()
+ if not self.always_inevitable:
+ addr = self.gc_ll_descr.get_malloc_fn_addr('stm_try_inevitable')
+ descr = self.gc_ll_descr.stm_try_inevitable_descr
+ op1 = ResOperation(rop.CALL, [ConstInt(addr)], None, descr=descr)
+ self.newops.append(op1)
+ self.always_inevitable = True
+ self.newops.append(op)
+
OP_STM_READ_BEFORE = ResOperation(rop.STM_READ_BEFORE, [], None)
OP_STM_READ_AFTER = ResOperation(rop.STM_READ_AFTER, [], None)
diff --git a/pypy/jit/backend/llsupport/test/test_stmrewrite.py b/pypy/jit/backend/llsupport/test/test_stmrewrite.py
--- a/pypy/jit/backend/llsupport/test/test_stmrewrite.py
+++ b/pypy/jit/backend/llsupport/test/test_stmrewrite.py
@@ -24,6 +24,14 @@
return descr
self.cpu = FakeCPU()
+ def check_rewrite(self, frm_operations, to_operations, **namespace):
+ inev = ("call(ConstClass(stm_try_inevitable),"
+ " descr=stm_try_inevitable_descr)")
+ frm_operations = frm_operations.replace('$INEV', inev)
+ to_operations = to_operations .replace('$INEV', inev)
+ RewriteTests.check_rewrite(self, frm_operations, to_operations,
+ **namespace)
+
def test_rewrite_one_setfield_gc(self):
self.check_rewrite("""
[p1, p2]
@@ -36,6 +44,19 @@
jump()
""")
+ def test_rewrite_setfield_gc_const(self):
+ self.check_rewrite("""
+ [p1, p2]
+ setfield_gc(ConstPtr(t), p2, descr=tzdescr)
+ jump()
+ """, """
+ [p1, p2]
+ p3 = same_as(ConstPtr(t))
+ cond_call_gc_wb(p3, 0, descr=wbdescr)
+ setfield_gc(p3, p2, descr=tzdescr)
+ jump()
+ """)
+
def test_rewrite_setfield_gc_on_local(self):
self.check_rewrite("""
[p1]
@@ -171,17 +192,18 @@
def test_rewrite_getinteriorfield_gc(self):
self.check_rewrite("""
[p1, i2]
- i3 = getinteriorfield_gc(p1, ...)
+ i3 = getinteriorfield_gc(p1, i2, descr=adescr)
jump(i3)
""", """
[p1, i2]
stm_read_before()
- i3 = getinteriorfield_gc(p1, ...)
+ i3 = getinteriorfield_gc(p1, i2, descr=adescr)
stm_read_after()
jump(i3)
""")
def test_rewrite_several_getfield_gcs(self):
+ py.test.skip("optimization")
self.check_rewrite("""
[p1]
p2 = getfield_gc(p1, descr=tzdescr)
@@ -214,6 +236,7 @@
""")
def test_move_forward_getfield_gc(self):
+ py.test.skip("optimization")
self.check_rewrite("""
[p1]
p2 = getfield_gc(p1, descr=tzdescr)
@@ -265,20 +288,21 @@
def test_rewrite_getfield_gc_on_local_2(self):
self.check_rewrite("""
- [p1]
+ [p0]
p1 = new(descr=tdescr)
p2 = getfield_gc(p1, descr=tzdescr)
jump(p2)
""", """
- [p1]
- p1 = call_malloc_gc(ConstClass(malloc_fixedsize), \
+ [p0]
+ p1 = call_malloc_gc(ConstClass(malloc_big_fixedsize), \
%(tdescr.size)d, %(tdescr.tid)d, \
- descr=malloc_fixedsize_descr)
+ descr=malloc_big_fixedsize_descr)
p2 = getfield_gc(p1, descr=tzdescr)
jump(p2)
""")
def test_rewrite_getfield_gc_on_future_local(self):
+ py.test.skip("optimization")
self.check_rewrite("""
[p1]
p2 = getfield_gc(p1, descr=tzdescr)
@@ -293,6 +317,7 @@
""")
def test_rewrite_getfield_gc_on_future_local_after_call(self):
+ py.test.skip("optimization")
self.check_rewrite("""
[p1]
p2 = getfield_gc(p1, descr=tzdescr)
@@ -318,7 +343,7 @@
jump(i3, i4)
""", """
[i1, i2]
- call(521) # stm_become_inevitable
+ $INEV
i3 = getfield_raw(i1, descr=?)
keepalive(i3)
i4 = getfield_raw(i2, descr=?)
@@ -334,10 +359,10 @@
jump(i3, i4)
""", """
[i1, i2]
- call(521) # stm_become_inevitable
+ $INEV
i3 = getfield_raw(i1, descr=?)
label(i1, i2, i3)
- call(521) # stm_become_inevitable
+ $INEV
i4 = getfield_raw(i2, descr=?)
jump(i3, i4)
""")
@@ -350,7 +375,7 @@
jump(i3, i4)
""", """
[i1, i2]
- call(521) # stm_become_inevitable
+ $INEV
i3 = getarrayitem_raw(i1, 5, descr=?)
i4 = getarrayitem_raw(i2, i3, descr=?)
jump(i3, i4)
@@ -364,24 +389,12 @@
jump(i3, i4)
""", """
[i1, i2]
- call(521) # stm_become_inevitable
+ $INEV
i3 = getinteriorfield_raw(i1, 5, descr=?)
i4 = getinteriorfield_raw(i2, i3, descr=?)
jump(i3, i4)
""")
- def test_new_turns_into_malloc(self):
- self.check_rewrite("""
- []
- p0 = new(descr=sdescr)
- jump(p0)
- """, """
- []
- p0 = call_malloc_nursery(%(sdescr.size)d)
- setfield_gc(p0, 1234, descr=tiddescr)
- jump(p0)
- """)
-
def test_rewrite_unrelated_setarrayitem_gcs(self):
self.check_rewrite("""
[p1, i1, p2, p3, i3, p4]
@@ -399,31 +412,33 @@
def test_rewrite_several_setarrayitem_gcs(self):
self.check_rewrite("""
- [p1, p2, i3, i2, i3]
- setarrayitem_gc(p1, i2, p2, descr=?)
+ [p1, p2, i2, p3, i3]
+ setarrayitem_gc(p1, i2, p2, descr=adescr)
i4 = read_timestamp()
- setarrayitem_gc(p1, i3, i3, descr=?)
+ setarrayitem_gc(p1, i3, p3, descr=adescr)
jump()
""", """
- [p1, p1, i3]
+ [p1, p2, i2, p3, i3]
cond_call_gc_wb(p1, 0, descr=wbdescr)
- setarrayitem_gc(p1, i2, p2, descr=?)
+ setarrayitem_gc(p1, i2, p2, descr=adescr)
i4 = read_timestamp()
- setarrayitem_gc(p1, i3, p3, descr=?)
+ setarrayitem_gc(p1, i3, p3, descr=adescr)
jump()
""")
def test_rewrite_several_setinteriorfield_gc(self):
self.check_rewrite("""
- [p1, p2, i3, i2, i3]
- setinteriorfield_gc(p1, i2, p2, descr=?)
- setinteriorfield_gc(p1, i3, i3, descr=?)
+ [p1, p2, i2, p3, i3]
+ setinteriorfield_gc(p1, i2, p2, descr=adescr)
+ i4 = read_timestamp()
+ setinteriorfield_gc(p1, i3, p3, descr=adescr)
jump()
""", """
- [p1, p1, i3]
+ [p1, p2, i2, p3, i3]
cond_call_gc_wb(p1, 0, descr=wbdescr)
- setinteriorfield_gc(p1, i2, p2, descr=?)
- setinteriorfield_gc(p1, i3, p3, descr=?)
+ setinteriorfield_gc(p1, i2, p2, descr=adescr)
+ i4 = read_timestamp()
+ setinteriorfield_gc(p1, i3, p3, descr=adescr)
jump()
""")
@@ -434,7 +449,7 @@
unicodesetitem(p1, i2, i3)
jump()
""", """
- [p1, p2, i3]
+ [p1, i2, i3]
cond_call_gc_wb(p1, 0, descr=wbdescr)
strsetitem(p1, i2, i3)
unicodesetitem(p1, i2, i3)
@@ -460,10 +475,10 @@
[i1, i2, i3, p7]
cond_call_gc_wb(p7, 0, descr=wbdescr)
setfield_gc(p7, 10, descr=tydescr)
- call(521) # stm_become_inevitable
+ $INEV
%s
cond_call_gc_wb(p7, 0, descr=wbdescr)
- setfield_gc(p7, 10, descr=tydescr)
+ setfield_gc(p7, 20, descr=tydescr)
jump(i2, p7)
""" % op)
@@ -473,8 +488,8 @@
copystrcontent(p1, p2, i1, i2, i3)
jump()
""", """
- [p1]
- call_cond_gc_wb(p2, 0, descr=wbdescr)
+ [p1, p2, i1, i2, i3]
+ cond_call_gc_wb(p2, 0, descr=wbdescr)
stm_read_before()
copystrcontent(p1, p2, i1, i2, i3)
stm_read_after()
@@ -482,6 +497,7 @@
""")
def test_call_dont_force(self):
+ py.test.skip("optimization")
for op in ["call(123, descr=calldescr1)",
"call_may_force(123, descr=calldescr1)",
"call_loopinvariant(123, descr=calldescr1)",
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