Author: edelsohn
Branch: ppc-jit-backend
Changeset: r56575:4957930e0c15
Date: 2012-08-04 11:04 -0700
http://bitbucket.org/pypy/pypy/changeset/4957930e0c15/
Log: Update arglocs creation. Allocate additional scratch register.
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
@@ -982,15 +982,13 @@
def prepare_cond_call_gc_wb(self, op):
assert op.result is None
- N = op.numargs()
# 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 = []
+ N = op.numargs()
args = op.getarglist()
- for i in range(N):
- loc = self._ensure_value_is_boxed(op.getarg(i), args)
- arglocs.append(loc)
+ arglocs = [self._ensure_value_is_boxed(op.getarg(i), args)
+ for i in range(N)]
card_marking = False
if op.getopnum() == rop.COND_CALL_GC_WB_ARRAY:
descr = op.getdescr()
@@ -1001,8 +999,10 @@
if card_marking: # allocate scratch registers
tmp1 = self.get_scratch_reg(INT)
tmp2 = self.get_scratch_reg(INT)
+ tmp3 = self.get_scratch_reg(INT)
arglocs.append(tmp1)
arglocs.append(tmp2)
+ arglocs.append(tmp3)
return arglocs
prepare_cond_call_gc_wb_array = prepare_cond_call_gc_wb
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