Author: Maciej Fijalkowski <[email protected]>
Branch:
Changeset: r64724:b93ade5abad3
Date: 2013-06-03 05:10 +0800
http://bitbucket.org/pypy/pypy/changeset/b93ade5abad3/
Log: merge
diff --git a/pypy/doc/windows.rst b/pypy/doc/windows.rst
--- a/pypy/doc/windows.rst
+++ b/pypy/doc/windows.rst
@@ -2,7 +2,7 @@
PyPy on Windows
===============
-Pypy is supported on Windows platforms, starting with Windows 2000.
+PyPy is supported on Windows platforms, starting with Windows 2000.
The following text gives some hints about how to translate the PyPy
interpreter.
diff --git a/pypy/module/imp/importing.py b/pypy/module/imp/importing.py
--- a/pypy/module/imp/importing.py
+++ b/pypy/module/imp/importing.py
@@ -303,7 +303,7 @@
return _absolute_import(space, modulename, baselevel,
fromlist_w, tentative)
finally:
- lock.release_lock()
+ lock.release_lock(silent_after_fork=True)
@jit.unroll_safe
def absolute_import_try(space, modulename, baselevel, fromlist_w):
@@ -788,10 +788,10 @@
self.lockowner = me
self.lockcounter += 1
- def release_lock(self):
+ def release_lock(self, silent_after_fork):
me = self.space.getexecutioncontext() # used as thread ident
if self.lockowner is not me:
- if self.lockowner is None:
+ if self.lockowner is None and silent_after_fork:
# Too bad. This situation can occur if a fork() occurred
# with the import lock held, and we're the child.
return
diff --git a/pypy/module/imp/interp_imp.py b/pypy/module/imp/interp_imp.py
--- a/pypy/module/imp/interp_imp.py
+++ b/pypy/module/imp/interp_imp.py
@@ -177,7 +177,7 @@
def release_lock(space):
if space.config.objspace.usemodules.thread:
- importing.getimportlock(space).release_lock()
+ importing.getimportlock(space).release_lock(silent_after_fork=False)
def reinit_lock(space):
if space.config.objspace.usemodules.thread:
diff --git a/rpython/jit/backend/arm/assembler.py
b/rpython/jit/backend/arm/assembler.py
--- a/rpython/jit/backend/arm/assembler.py
+++ b/rpython/jit/backend/arm/assembler.py
@@ -8,6 +8,7 @@
JITFRAME_FIXED_SIZE)
from rpython.jit.backend.arm.codebuilder import InstrBuilder,
OverwritingBuilder
from rpython.jit.backend.arm.locations import imm, StackLocation
+from rpython.jit.backend.arm.helper.regalloc import VMEM_imm_size
from rpython.jit.backend.arm.opassembler import ResOpAssembler
from rpython.jit.backend.arm.regalloc import (Regalloc,
CoreRegisterManager, check_imm_arg, VFPRegisterManager,
@@ -961,7 +962,7 @@
return self._load_core_reg(mc, target, base, ofs, cond, helper)
def _load_vfp_reg(self, mc, target, base, ofs, cond=c.AL, helper=r.ip):
- if check_imm_arg(ofs):
+ if check_imm_arg(ofs, VMEM_imm_size):
mc.VLDR(target.value, base.value, imm=ofs, cond=cond)
else:
mc.gen_load_int(helper.value, ofs, cond=cond)
@@ -982,7 +983,7 @@
return self._store_core_reg(mc, source, base, ofs, cond, helper)
def _store_vfp_reg(self, mc, source, base, ofs, cond=c.AL, helper=r.ip):
- if check_imm_arg(ofs):
+ if check_imm_arg(ofs, VMEM_imm_size):
mc.VSTR(source.value, base.value, imm=ofs, cond=cond)
else:
mc.gen_load_int(helper.value, ofs, cond=cond)
diff --git a/rpython/jit/backend/arm/callbuilder.py
b/rpython/jit/backend/arm/callbuilder.py
--- a/rpython/jit/backend/arm/callbuilder.py
+++ b/rpython/jit/backend/arm/callbuilder.py
@@ -52,6 +52,8 @@
def _push_stack_args(self, stack_args, on_stack):
assert on_stack % 8 == 0
+ if on_stack == 0:
+ return
self._adjust_sp(-on_stack)
self.current_sp = on_stack
ofs = 0
@@ -71,7 +73,7 @@
else:
self.mc.gen_load_int(r.ip.value, n)
self.mc.ADD_rr(r.sp.value, r.sp.value, r.ip.value)
- else:
+ elif n < 0:
n = abs(n)
if check_imm_arg(n):
self.mc.SUB_ri(r.sp.value, r.sp.value, n)
diff --git a/rpython/jit/backend/arm/helper/regalloc.py
b/rpython/jit/backend/arm/helper/regalloc.py
--- a/rpython/jit/backend/arm/helper/regalloc.py
+++ b/rpython/jit/backend/arm/helper/regalloc.py
@@ -4,7 +4,10 @@
from rpython.jit.metainterp.history import ConstInt
from rpython.rlib.objectmodel import we_are_translated
-def check_imm_arg(arg, size=0xFF, allow_zero=True):
+VMEM_imm_size=0x3FC
+default_imm_size=0xFF
+
+def check_imm_arg(arg, size=default_imm_size, allow_zero=True):
assert not isinstance(arg, ConstInt)
if not we_are_translated():
if not isinstance(arg, int):
diff --git a/rpython/jit/backend/arm/opassembler.py
b/rpython/jit/backend/arm/opassembler.py
--- a/rpython/jit/backend/arm/opassembler.py
+++ b/rpython/jit/backend/arm/opassembler.py
@@ -15,6 +15,7 @@
gen_emit_unary_float_op,
saved_registers)
from rpython.jit.backend.arm.helper.regalloc import check_imm_arg
+from rpython.jit.backend.arm.helper.regalloc import VMEM_imm_size
from rpython.jit.backend.arm.codebuilder import InstrBuilder,
OverwritingBuilder
from rpython.jit.backend.arm.jump import remap_frame_layout
from rpython.jit.backend.arm.regalloc import TempBox
@@ -23,6 +24,7 @@
from rpython.jit.backend.llsupport.gcmap import allocate_gcmap
from rpython.jit.backend.llsupport.descr import InteriorFieldDescr
from rpython.jit.backend.llsupport.assembler import GuardToken, BaseAssembler
+from rpython.jit.backend.llsupport.regalloc import get_scale
from rpython.jit.metainterp.history import (Box, AbstractFailDescr,
INT, FLOAT, REF)
from rpython.jit.metainterp.history import TargetToken
@@ -559,47 +561,8 @@
def emit_op_getfield_gc(self, op, arglocs, regalloc, fcond):
base_loc, ofs, res, size = arglocs
signed = op.getdescr().is_field_signed()
- if size.value == 8:
- assert res.is_vfp_reg()
- # vldr only supports imm offsets
- # so if the ofset is too large we add it to the base and use an
- # offset of 0
- if ofs.is_reg():
- self.mc.ADD_rr(r.ip.value, base_loc.value, ofs.value)
- base_loc = r.ip
- ofs = imm(0)
- else:
- assert ofs.value % 4 == 0
- self.mc.VLDR(res.value, base_loc.value, ofs.value)
- elif size.value == 4:
- if ofs.is_imm():
- self.mc.LDR_ri(res.value, base_loc.value, ofs.value)
- else:
- self.mc.LDR_rr(res.value, base_loc.value, ofs.value)
- elif size.value == 2:
- if ofs.is_imm():
- if signed:
- self.mc.LDRSH_ri(res.value, base_loc.value, ofs.value)
- else:
- self.mc.LDRH_ri(res.value, base_loc.value, ofs.value)
- else:
- if signed:
- self.mc.LDRSH_rr(res.value, base_loc.value, ofs.value)
- else:
- self.mc.LDRH_rr(res.value, base_loc.value, ofs.value)
- elif size.value == 1:
- if ofs.is_imm():
- if signed:
- self.mc.LDRSB_ri(res.value, base_loc.value, ofs.value)
- else:
- self.mc.LDRB_ri(res.value, base_loc.value, ofs.value)
- else:
- if signed:
- self.mc.LDRSB_rr(res.value, base_loc.value, ofs.value)
- else:
- self.mc.LDRB_rr(res.value, base_loc.value, ofs.value)
- else:
- assert 0
+ scale = get_scale(size.value)
+ self._load_from_mem(res, base_loc, ofs, imm(scale), signed, fcond)
return fcond
emit_op_getfield_raw = emit_op_getfield_gc
@@ -609,39 +572,22 @@
def emit_op_getinteriorfield_gc(self, op, arglocs, regalloc, fcond):
(base_loc, index_loc, res_loc,
ofs_loc, ofs, itemsize, fieldsize) = arglocs
- self.mc.gen_load_int(r.ip.value, itemsize.value)
- self.mc.MUL(r.ip.value, index_loc.value, r.ip.value)
+ scale = get_scale(fieldsize.value)
+ tmploc, save = self.get_tmp_reg([base_loc, ofs_loc])
+ assert not save
+ self.mc.gen_load_int(tmploc.value, itemsize.value)
+ self.mc.MUL(tmploc.value, index_loc.value, tmploc.value)
descr = op.getdescr()
assert isinstance(descr, InteriorFieldDescr)
signed = descr.fielddescr.is_field_signed()
if ofs.value > 0:
if ofs_loc.is_imm():
- self.mc.ADD_ri(r.ip.value, r.ip.value, ofs_loc.value)
+ self.mc.ADD_ri(tmploc.value, tmploc.value, ofs_loc.value)
else:
- self.mc.ADD_rr(r.ip.value, r.ip.value, ofs_loc.value)
-
- if fieldsize.value == 8:
- # vldr only supports imm offsets
- # so if the ofset is too large we add it to the base and use an
- # offset of 0
- assert res_loc.is_vfp_reg()
- self.mc.ADD_rr(r.ip.value, base_loc.value, r.ip.value)
- self.mc.VLDR(res_loc.value, r.ip.value, 0)
- elif fieldsize.value == 4:
- self.mc.LDR_rr(res_loc.value, base_loc.value, r.ip.value)
- elif fieldsize.value == 2:
- if signed:
- self.mc.LDRSH_rr(res_loc.value, base_loc.value, r.ip.value)
- else:
- self.mc.LDRH_rr(res_loc.value, base_loc.value, r.ip.value)
- elif fieldsize.value == 1:
- if signed:
- self.mc.LDRSB_rr(res_loc.value, base_loc.value, r.ip.value)
- else:
- self.mc.LDRB_rr(res_loc.value, base_loc.value, r.ip.value)
- else:
- assert 0
-
+ self.mc.ADD_rr(tmploc.value, tmploc.value, ofs_loc.value)
+ ofs_loc = tmploc
+ self._load_from_mem(res_loc, base_loc, ofs_loc,
+ imm(scale), signed, fcond)
return fcond
def emit_op_setinteriorfield_gc(self, op, arglocs, regalloc, fcond):
@@ -731,33 +677,73 @@
self.mc.ADD_ri(r.ip.value, ofs_loc.value, imm=ofs.value)
ofs_loc = r.ip
#
- self._load_from_mem(res_loc, base_loc, ofs_loc, scale, signed)
+ self._load_from_mem(res_loc, base_loc, ofs_loc, scale, signed, fcond)
return fcond
def _load_from_mem(self, res_loc, base_loc, ofs_loc, scale,
signed=False, fcond=c.AL):
if scale.value == 3:
assert res_loc.is_vfp_reg()
- assert ofs_loc.is_reg()
- self.mc.ADD_rr(r.ip.value, base_loc.value, ofs_loc.value)
- self.mc.VLDR(res_loc.value, r.ip.value, cond=fcond)
+ # vldr only supports imm offsets
+ # if the offset is in a register we add it to the base and use a
+ # tmp reg
+ if ofs_loc.is_reg():
+ tmploc, save = self.get_tmp_reg([base_loc, ofs_loc])
+ assert not save
+ self.mc.ADD_rr(tmploc.value, base_loc.value, ofs_loc.value)
+ base_loc = tmploc
+ ofs_loc = imm(0)
+ else:
+ assert ofs_loc.is_imm()
+ # if the ofset is too large for an imm we add it to the base
and use an
+ # offset of 0
+ if check_imm_arg(ofs_loc.value, VMEM_imm_size):
+ tmploc, save = self.get_tmp_reg([base_loc, ofs_loc])
+ assert not save
+ self.mc.gen_load_int(tmploc.value, ofs_loc.value)
+ self.mc.ADD_rr(tmploc.value, base_loc.value, tmploc.value)
+ base_loc = tmploc
+ ofs_loc = imm(0)
+ else: # sanity check
+ assert ofs_loc.value % 4 == 0
+ self.mc.VLDR(res_loc.value, base_loc.value, ofs_loc.value,
cond=fcond)
elif scale.value == 2:
- self.mc.LDR_rr(res_loc.value, base_loc.value,
- ofs_loc.value, cond=fcond)
+ if ofs_loc.is_imm():
+ self.mc.LDR_ri(res_loc.value, base_loc.value,
+ ofs_loc.value, cond=fcond)
+ else:
+ self.mc.LDR_rr(res_loc.value, base_loc.value,
+ ofs_loc.value, cond=fcond)
elif scale.value == 1:
- if signed:
- self.mc.LDRSH_rr(res_loc.value, base_loc.value,
- ofs_loc.value, cond=fcond)
+ if ofs_loc.is_imm():
+ if signed:
+ self.mc.LDRSH_ri(res_loc.value, base_loc.value,
+ ofs_loc.value, cond=fcond)
+ else:
+ self.mc.LDRH_ri(res_loc.value, base_loc.value,
+ ofs_loc.value, cond=fcond)
else:
- self.mc.LDRH_rr(res_loc.value, base_loc.value,
- ofs_loc.value, cond=fcond)
+ if signed:
+ self.mc.LDRSH_rr(res_loc.value, base_loc.value,
+ ofs_loc.value, cond=fcond)
+ else:
+ self.mc.LDRH_rr(res_loc.value, base_loc.value,
+ ofs_loc.value, cond=fcond)
elif scale.value == 0:
- if signed:
- self.mc.LDRSB_rr(res_loc.value, base_loc.value,
- ofs_loc.value, cond=fcond)
+ if ofs_loc.is_imm():
+ if signed:
+ self.mc.LDRSB_ri(res_loc.value, base_loc.value,
+ ofs_loc.value, cond=fcond)
+ else:
+ self.mc.LDRB_ri(res_loc.value, base_loc.value,
+ ofs_loc.value, cond=fcond)
else:
- self.mc.LDRB_rr(res_loc.value, base_loc.value,
- ofs_loc.value, cond=fcond)
+ if signed:
+ self.mc.LDRSB_rr(res_loc.value, base_loc.value,
+ ofs_loc.value, cond=fcond)
+ else:
+ self.mc.LDRB_rr(res_loc.value, base_loc.value,
+ ofs_loc.value, cond=fcond)
else:
assert 0
@@ -770,7 +756,7 @@
# no base offset
assert ofs.value == 0
signed = op.getdescr().is_item_signed()
- self._load_from_mem(res_loc, base_loc, ofs_loc, scale, signed)
+ self._load_from_mem(res_loc, base_loc, ofs_loc, scale, signed, fcond)
return fcond
def emit_op_strlen(self, op, arglocs, regalloc, fcond):
@@ -993,7 +979,7 @@
assert result_loc.is_vfp_reg()
# we always have a register here, since we have to sync them
# before call_assembler
- self.mc.VLDR(result_loc.value, r.r0.value, imm=ofs)
+ self.load_reg(self.mc, result_loc, r.r0, ofs=ofs)
else:
assert result_loc is r.r0
ofs = self.cpu.unpack_arraydescr(descr)
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