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import py
from rpython.jit.backend.arm import conditions as c
from rpython.jit.backend.arm import registers as r
from rpython.jit.backend.arm.arch import WORD
from rpython.jit.backend.arm.test.test_regalloc_mov import BaseMovTest, mi
base_ofs = 23
class MockCPU(object):
def get_baseofs_of_frame_field(self):
return base_ofs
class TestRegallocPush(BaseMovTest):
def setup_method(self, method):
BaseMovTest.setup_method(self, method)
self.asm.cpu = MockCPU()
def test_callee_only(self):
expected = [
mi('ADD_ri', r.ip.value, r.fp.value, base_ofs),
mi('STM', r.ip.value, [r.r0.value, r.r1.value,
r.r2.value, r.r3.value]),
]
self.asm._push_all_regs_to_jitframe(self.asm.mc, ignored_regs=[],
withfloats=False, callee_only=True)
self.validate(expected)
def test_callee_only_with_holes(self):
expected = [
mi('STR_ri', r.r0.value, r.fp.value, cond=c.AL, imm=base_ofs),
mi('STR_ri', r.r2.value, r.fp.value, cond=c.AL, imm=base_ofs + 8),
]
self.asm._push_all_regs_to_jitframe(self.asm.mc, ignored_regs=[r.r1, r.r3],
withfloats=False, callee_only=True)
self.validate(expected)
def test_callee_only_with_holes_in_front(self):
expected = [
mi('STR_ri', r.r2.value, r.fp.value, cond=c.AL, imm=base_ofs + 8),
mi('STR_ri', r.r3.value, r.fp.value, cond=c.AL, imm=base_ofs + 12),
]
self.asm._push_all_regs_to_jitframe(self.asm.mc, ignored_regs=[r.r0, r.r1],
withfloats=False, callee_only=True)
self.validate(expected)
def test_callee_only_ignore_more_than_saved(self):
expected = [
mi('STR_ri', r.r0.value, r.fp.value, cond=c.AL, imm=base_ofs),
]
self.asm._push_all_regs_to_jitframe(self.asm.mc,
ignored_regs=[r.r1, r.r2, r.r3, r.r4, r.r5],
withfloats=False, callee_only=True)
self.validate(expected)
def test_with_floats(self):
expected = [
mi('STR_ri', r.r0.value, r.fp.value, cond=c.AL, imm=base_ofs),
mi('ADD_ri', r.ip.value, r.fp.value, imm=base_ofs + len(r.all_regs) * WORD),
mi('VSTM', r.ip.value, [v.value for v in r.all_vfp_regs])
]
self.asm._push_all_regs_to_jitframe(self.asm.mc,
ignored_regs=[r.r1, r.r2, r.r3],
withfloats=True, callee_only=True)
self.validate(expected)
def test_try_ignore_vfp_reg(self):
py.test.raises(AssertionError, self.asm._push_all_regs_to_jitframe, self.asm.mc,
ignored_regs=[r.d0, r.r2, r.r3], withfloats=True, callee_only=True)
def test_all_regs(self):
expected = [
mi('ADD_ri', r.ip.value, r.fp.value, base_ofs),
mi('STM', r.ip.value, [reg.value for reg in r.all_regs]),
]
self.asm._push_all_regs_to_jitframe(self.asm.mc, ignored_regs=[],
withfloats=False, callee_only=False)
self.validate(expected)
def test_all_regs_with_holes(self):
ignored = [r.r1, r.r6]
expected = [mi('STR_ri', reg.value, r.fp.value, cond=c.AL, imm=base_ofs + reg.value * WORD)
for reg in r.all_regs if reg not in ignored]
self.asm._push_all_regs_to_jitframe(self.asm.mc, ignored_regs=ignored,
withfloats=False, callee_only=False)
self.validate(expected)
def test_all_regs_with_holes_in_front(self):
ignored = [r.r0, r.r1]
expected = [mi('STR_ri', reg.value, r.fp.value, cond=c.AL, imm=base_ofs + reg.value * WORD)
for reg in r.all_regs if reg not in ignored]
self.asm._push_all_regs_to_jitframe(self.asm.mc, ignored_regs=ignored,
withfloats=False, callee_only=False)
self.validate(expected)
class TestRegallocPop(BaseMovTest):
def setup_method(self, method):
BaseMovTest.setup_method(self, method)
self.asm.cpu = MockCPU()
def test_callee_only(self):
expected = [
mi('ADD_ri', r.ip.value, r.fp.value, base_ofs),
mi('LDM', r.ip.value, [r.r0.value, r.r1.value,
r.r2.value, r.r3.value]),
]
self.asm._pop_all_regs_from_jitframe(self.asm.mc, ignored_regs=[],
withfloats=False, callee_only=True)
self.validate(expected)
def test_callee_only_with_holes(self):
expected = [
mi('LDR_ri', r.r0.value, r.fp.value, cond=c.AL, imm=base_ofs),
mi('LDR_ri', r.r2.value, r.fp.value, cond=c.AL, imm=base_ofs + 8),
]
self.asm._pop_all_regs_from_jitframe(self.asm.mc, ignored_regs=[r.r1, r.r3],
withfloats=False, callee_only=True)
self.validate(expected)
def test_callee_only_with_holes_in_front(self):
expected = [
mi('LDR_ri', r.r2.value, r.fp.value, cond=c.AL, imm=base_ofs + 8),
mi('LDR_ri', r.r3.value, r.fp.value, cond=c.AL, imm=base_ofs + 12),
]
self.asm._pop_all_regs_from_jitframe(self.asm.mc, ignored_regs=[r.r0, r.r1],
withfloats=False, callee_only=True)
self.validate(expected)
def test_callee_only_ignore_more_than_saved(self):
expected = [
mi('LDR_ri', r.r0.value, r.fp.value, cond=c.AL, imm=base_ofs),
]
self.asm._pop_all_regs_from_jitframe(self.asm.mc,
ignored_regs=[r.r1, r.r2, r.r3, r.r4, r.r5],
withfloats=False, callee_only=True)
self.validate(expected)
def test_with_floats(self):
expected = [
mi('LDR_ri', r.r0.value, r.fp.value, cond=c.AL, imm=base_ofs),
mi('ADD_ri', r.ip.value, r.fp.value, imm=base_ofs + len(r.all_regs) * WORD),
mi('VLDM', r.ip.value, [v.value for v in r.all_vfp_regs])
]
self.asm._pop_all_regs_from_jitframe(self.asm.mc,
ignored_regs=[r.r1, r.r2, r.r3],
withfloats=True, callee_only=True)
self.validate(expected)
def test_try_ignore_vfp_reg(self):
py.test.raises(AssertionError, self.asm._pop_all_regs_from_jitframe, self.asm.mc,
ignored_regs=[r.d0, r.r2, r.r3], withfloats=True, callee_only=True)
def test_all_regs(self):
expected = [
mi('ADD_ri', r.ip.value, r.fp.value, base_ofs),
mi('LDM', r.ip.value, [reg.value for reg in r.all_regs]),
]
self.asm._pop_all_regs_from_jitframe(self.asm.mc, ignored_regs=[],
withfloats=False, callee_only=False)
self.validate(expected)
def test_all_regs_with_holes(self):
ignored = [r.r1, r.r6]
expected = [mi('LDR_ri', reg.value, r.fp.value, cond=c.AL, imm=base_ofs + reg.value * WORD)
for reg in r.all_regs if reg not in ignored]
self.asm._pop_all_regs_from_jitframe(self.asm.mc, ignored_regs=ignored,
withfloats=False, callee_only=False)
self.validate(expected)
def test_all_regs_with_holes_in_front(self):
ignored = [r.r0, r.r1]
expected = [mi('LDR_ri', reg.value, r.fp.value, cond=c.AL, imm=base_ofs + reg.value * WORD)
for reg in r.all_regs if reg not in ignored]
self.asm._pop_all_regs_from_jitframe(self.asm.mc, ignored_regs=ignored,
withfloats=False, callee_only=False)
self.validate(expected)
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