Author: hager <[email protected]>
Branch: ppc-jit-backend
Changeset: r53231:58aa53f6623d
Date: 2012-03-05 07:11 -0800
http://bitbucket.org/pypy/pypy/changeset/58aa53f6623d/
Log: adjust prepare_cond_call_gc_wb to ARM backend
diff --git a/pypy/jit/backend/ppc/regalloc.py b/pypy/jit/backend/ppc/regalloc.py
--- a/pypy/jit/backend/ppc/regalloc.py
+++ b/pypy/jit/backend/ppc/regalloc.py
@@ -22,6 +22,7 @@
from pypy.jit.backend.llsupport.descr import unpack_arraydescr
from pypy.jit.backend.llsupport.descr import unpack_fielddescr
from pypy.jit.backend.llsupport.descr import unpack_interiorfielddescr
+from pypy.rlib.objectmodel import we_are_translated
# xxx hack: set a default value for TargetToken._arm_loop_code. If 0, we know
# that it is a LABEL that was not compiled yet.
@@ -812,14 +813,26 @@
def prepare_cond_call_gc_wb(self, op):
assert op.result is None
N = op.numargs()
- # we force all arguments in a reg (unless they are Consts),
- # because it will be needed anyway by the following setfield_gc
- # or setarrayitem_gc. It avoids loading it twice from the memory.
+ # we force all arguments in a reg because it will be needed anyway by
+ # the following setfield_gc or setarrayitem_gc. It avoids loading it
+ # twice from the memory.
arglocs = []
args = op.getarglist()
for i in range(N):
loc = self._ensure_value_is_boxed(op.getarg(i), args)
arglocs.append(loc)
+ card_marking = False
+ if op.getopnum() == rop.COND_CALL_GC_WB_ARRAY:
+ descr = op.getdescr()
+ if we_are_translated():
+ cls = self.cpu.gc_ll_descr.has_write_barrier_class()
+ assert cls is not None and isinstance(descr, cls)
+ card_marking = descr.jit_wb_cards_set != 0
+ if card_marking: # allocate scratch registers
+ tmp1 = self.get_scratch_reg(INT)
+ tmp2 = self.get_scratch_reg(INT)
+ arglocs.append(tmp1)
+ arglocs.append(tmp2)
return arglocs
prepare_cond_call_gc_wb_array = prepare_cond_call_gc_wb
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