Author: hager <sven.ha...@uni-duesseldorf.de>
Branch: ppc-jit-backend
Changeset: r48308:528c82230eac
Date: 2011-10-21 15:03 +0200
http://bitbucket.org/pypy/pypy/changeset/528c82230eac/
Log: Implemented GETFIELD_GC and SETFIELD_GC.
diff --git a/pypy/jit/backend/ppc/ppcgen/opassembler.py
b/pypy/jit/backend/ppc/ppcgen/opassembler.py
--- a/pypy/jit/backend/ppc/ppcgen/opassembler.py
+++ b/pypy/jit/backend/ppc/ppcgen/opassembler.py
@@ -213,5 +213,49 @@
descr._ppc_frame_manager_depth)
regalloc.frame_manager.frame_depth = new_fd
+ def emit_setfield_gc(self, op, arglocs, regalloc):
+ value_loc, base_loc, ofs, size = arglocs
+ if size.value == 8:
+ assert 0, "not implemented yet"
+ elif size.value == 4:
+ if ofs.is_imm():
+ self.mc.stw(value_loc.value, base_loc.value, ofs.value)
+ else:
+ self.mc.stw(value_loc.value, base_loc.value, ofs.value)
+ elif size.value == 2:
+ if ofs.is_imm():
+ self.mc.sth(value_loc.value, base_loc.value, ofs.value)
+ else:
+ self.mc.sthx(value_loc.value, base_loc.value, ofs.value)
+ elif size.value == 1:
+ if ofs.is_imm():
+ self.mc.stb(value_loc.value, base_loc.value, ofs.value)
+ else:
+ self.mc.stbx(value_loc.value, base_loc.value, ofs.value)
+ else:
+ assert 0, "size not supported"
+
+ def emit_getfield_gc(self, op, arglocs, regalloc):
+ base_loc, ofs, res, size = arglocs
+ if size.value == 8:
+ assert 0, "not implemented yet"
+ elif size.value == 4:
+ if ofs.is_imm():
+ self.mc.lwz(res.value, base_loc.value, ofs.value)
+ else:
+ self.mc.lwzx(res.value, base_loc.value, ofs.value)
+ elif size.value == 2:
+ if ofs.is_imm():
+ self.mc.lhz(res.value, base_loc.value, ofs.value)
+ else:
+ self.mc.lhzx(res.value, base_loc.value, ofs.value)
+ elif size.value == 1:
+ if ofs.is_imm():
+ self.mc.lbz(res.value, base_loc.value, ofs.value)
+ else:
+ self.mc.lbzx(res.value, base_loc.value, ofs.value)
+ else:
+ assert 0, "size not supported"
+
def nop(self):
self.mc.ori(0, 0, 0)
diff --git a/pypy/jit/backend/ppc/ppcgen/regalloc.py
b/pypy/jit/backend/ppc/ppcgen/regalloc.py
--- a/pypy/jit/backend/ppc/ppcgen/regalloc.py
+++ b/pypy/jit/backend/ppc/ppcgen/regalloc.py
@@ -12,6 +12,8 @@
prepare_unary_cmp)
from pypy.jit.metainterp.history import (INT, REF, FLOAT, Const, ConstInt,
ConstPtr, LoopToken)
+from pypy.jit.backend.llsupport.descr import BaseFieldDescr, BaseArrayDescr, \
+ BaseCallDescr, BaseSizeDescr
from pypy.jit.metainterp.resoperation import rop
from pypy.jit.backend.ppc.ppcgen import locations
from pypy.rpython.lltypesystem import rffi, lltype
@@ -293,6 +295,47 @@
[], [], None)
return []
+ def prepare_setfield_gc(self, op):
+ boxes = list(op.getarglist())
+ b0, b1 = boxes
+ ofs, size, ptr = self._unpack_fielddescr(op.getdescr())
+ base_loc, base_box = self._ensure_value_is_boxed(b0, boxes)
+ boxes.append(base_box)
+ value_loc, value_box = self._ensure_value_is_boxed(b1, boxes)
+ boxes.append(value_box)
+ c_ofs = ConstInt(ofs)
+ if _check_imm_arg(c_ofs):
+ ofs_loc = imm(ofs)
+ else:
+ ofs_loc, ofs_box = self._ensure_value_is_boxed(c_ofs, boxes)
+ boxes.append(ofs_box)
+ self.possibly_free_vars(boxes)
+ return [value_loc, base_loc, ofs_loc, imm(size)]
+
+ def prepare_getfield_gc(self, op):
+ a0 = op.getarg(0)
+ ofs, size, ptr = self._unpack_fielddescr(op.getdescr())
+ base_loc, base_box = self._ensure_value_is_boxed(a0)
+ c_ofs = ConstInt(ofs)
+ if _check_imm_arg(c_ofs):
+ ofs_loc = imm(ofs)
+ else:
+ ofs_loc, ofs_box = self._ensure_value_is_boxed(c_ofs, [base_box])
+ self.possibly_free_var(ofs_box)
+ self.possibly_free_var(a0)
+ self.possibly_free_var(base_box)
+ res = self.force_allocate_reg(op.result)
+ self.possibly_free_var(op.result)
+ return [base_loc, ofs_loc, res, imm(size)]
+
+ # from ../x86/regalloc.py:791
+ def _unpack_fielddescr(self, fielddescr):
+ assert isinstance(fielddescr, BaseFieldDescr)
+ ofs = fielddescr.offset
+ size = fielddescr.get_field_size(self.cpu.translate_support_code)
+ ptr = fielddescr.is_pointer_field()
+ return ofs, size, ptr
+
def make_operation_list():
def not_implemented(self, op, *args):
raise NotImplementedError, op
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