Author: Richard Plangger <[email protected]>
Branch: s390x-backend
Changeset: r81491:5670303748ca
Date: 2015-12-29 15:07 +0100
http://bitbucket.org/pypy/pypy/changeset/5670303748ca/
Log: added guard_exception to regalloc+assembler
diff --git a/rpython/jit/backend/test/runner_test.py
b/rpython/jit/backend/test/runner_test.py
--- a/rpython/jit/backend/test/runner_test.py
+++ b/rpython/jit/backend/test/runner_test.py
@@ -5049,6 +5049,7 @@
scalebox = ConstInt(arraydescr.itemsize)
inputargs, oplist =
self._get_operation_list(ops,'void')
+ # XXX
print("input:", inputargs)
for op in oplist:
print(op)
diff --git a/rpython/jit/backend/zarch/opassembler.py
b/rpython/jit/backend/zarch/opassembler.py
--- a/rpython/jit/backend/zarch/opassembler.py
+++ b/rpython/jit/backend/zarch/opassembler.py
@@ -680,7 +680,7 @@
offset2 = self.cpu.subclassrange_min_offset
if offset is not None:
# read this field to get the vtable pointer
- self.mc.load(r.SCRATCH2.value, loc_object.value, offset)
+ self.mc(r.SCRATCH2, l.addr(offset, loc_object))
# read the vtable's subclassrange_min field
assert check_imm(offset2)
self.mc.ld(r.SCRATCH2.value, r.SCRATCH2.value, offset2)
@@ -729,6 +729,30 @@
self._store_force_index(op)
self.store_info_on_descr(0, guard_token)
+ def emit_guard_exception(self, op, arglocs, regalloc):
+ loc, resloc = arglocs[:2]
+ failargs = arglocs[2:]
+
+ mc = self.mc
+ mc.load_imm(r.SCRATCH, self.cpu.pos_exc_value())
+ diff = self.cpu.pos_exception() - self.cpu.pos_exc_value()
+ assert check_imm_value(diff)
+
+ mc.LG(r.SCRATCH2, l.addr(diff, r.SCRATCH))
+ if not loc.is_in_pool() and loc.is_imm():
+ mc.cmp_op(r.SCRATCH2, loc, imm=True)
+ else:
+ mc.cmp_op(r.SCRATCH2, loc, pool=loc.is_in_pool())
+ self.guard_success_cc = c.EQ
+ self._emit_guard(op, failargs)
+
+ if resloc:
+ mc.load(resloc, r.SCRATCH, 0)
+ mc.LGHI(r.SCRATCH2, l.imm(0))
+ mc.SG(r.SCRATCH2, l.addr(0, r.SCRATCH))
+ mc.SG(r.SCRATCH2, l.addr(diff, r.SCRATCH))
+
+
class MemoryOpAssembler(object):
_mixin_ = True
diff --git a/rpython/jit/backend/zarch/regalloc.py
b/rpython/jit/backend/zarch/regalloc.py
--- a/rpython/jit/backend/zarch/regalloc.py
+++ b/rpython/jit/backend/zarch/regalloc.py
@@ -1031,6 +1031,15 @@
locs = self._prepare_guard(op)
return locs
+ def prepare_guard_exception(self, op):
+ loc = self.ensure_reg(op.getarg(0))
+ if op in self.longevity:
+ resloc = self.force_allocate_reg(op)
+ else:
+ resloc = None
+ arglocs = self._prepare_guard(op, [loc, resloc])
+ return arglocs
+
def prepare_copystrcontent(self, op):
src_ptr_loc = self.ensure_reg(op.getarg(0), force_in_reg=True)
dst_ptr_loc = self.ensure_reg(op.getarg(1), force_in_reg=True)
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