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import sys, py
from hypothesis import given, settings, strategies as st, assume
from rpython.jit.backend.aarch64 import registers as r
from rpython.jit.backend.aarch64 import codebuilder
from rpython.jit.backend.aarch64.test.gen import assemble
class CodeBuilder(codebuilder.InstrBuilder):
def __init__(self, arch_version=7):
self.arch_version = arch_version
self.buffer = []
def writechar(self, char):
self.buffer.append(char)
def currpos(self):
return 0
def hexdump(self):
return ''.join(self.buffer)
class TestInstrBuilder(object):
def setup_class(cls):
if sys.platform == 'darwin':
py.test.skip("needs porting")
@settings(max_examples=20)
@given(r1=st.sampled_from(r.registers))
def test_RET_r(self, r1):
cb = CodeBuilder()
cb.RET_r(r1.value)
res = cb.hexdump()
exp = assemble('RET %r' % r1)
assert res == exp
@settings(max_examples=20)
@given(r1=st.sampled_from(r.registers),
r2=st.sampled_from(r.registers),
offset=st.integers(min_value=-64, max_value=63))
def test_STP_rr(self, r1, r2, offset):
cb = CodeBuilder()
cb.STP_rr_preindex(r1.value, r2.value, r.sp.value, offset * 8)
assert cb.hexdump() == assemble("STP %r, %r, [sp, %d]!" % (r1, r2, offset * 8))
cb = CodeBuilder()
cb.STP_rri(r1.value, r2.value, r.sp.value, offset * 8)
assert cb.hexdump() == assemble("STP %r, %r, [sp, %d]" % (r1, r2, offset * 8))
@settings(max_examples=20)
@given(r1=st.sampled_from(r.registers),
r2=st.sampled_from(r.registers))
def test_MOV_rr(self, r1, r2):
cb = CodeBuilder()
cb.MOV_rr(r1.value, r2.value)
assert cb.hexdump() == assemble("MOV %r, %r" % (r1, r2))
@settings(max_examples=20)
@given(r1=st.sampled_from(r.registers),
immed=st.integers(min_value=0, max_value=(1<<16) - 1),
shift=st.integers(min_value=0, max_value=3))
def test_MOVK(self, r1, immed, shift):
cb = CodeBuilder()
cb.MOVK_r_u16(r1.value, immed, shift * 16)
assert cb.hexdump() == assemble("MOVK %r, %d, lsl %d" % (r1, immed, shift * 16))
@settings(max_examples=20)
@given(r1=st.sampled_from(r.registers),
immed=st.integers(min_value=0, max_value=(1<<16) - 1),
shift=st.integers(min_value=0, max_value=3))
def test_MOVZ(self, r1, immed, shift):
cb = CodeBuilder()
cb.MOVZ_r_u16(r1.value, immed, shift * 16)
assert cb.hexdump() == assemble("MOVZ %r, %d, lsl %d" % (r1, immed, shift * 16))
@settings(max_examples=20)
@given(r1=st.sampled_from(r.registers),
immed=st.integers(min_value=0, max_value=(1<<16) - 1))
def test_MOVN(self, r1, immed):
cb = CodeBuilder()
cb.MOVN_r_u16(r1.value, immed)
assert cb.hexdump() == assemble("MOV %r, %d" % (r1, ~immed))
@settings(max_examples=20)
@given(rt=st.sampled_from(r.registers),
rn=st.sampled_from(r.registers),
offset=st.integers(min_value=0, max_value=(1<<12)-1))
def test_STR_ri(self, rt, rn, offset):
cb = CodeBuilder()
cb.STR_ri(rt.value, rn.value, offset * 8)
assert cb.hexdump() == assemble("STR %r, [%r, %d]" % (rt, rn, offset * 8))
@settings(max_examples=20)
@given(reg1=st.sampled_from(r.registers),
reg2=st.sampled_from(r.registers),
rn=st.sampled_from(r.registers),
offset=st.integers(min_value=-64, max_value=63))
def test_LDP_rr(self, reg1, reg2, rn, offset):
assume(reg1.value != reg2.value)
cb = CodeBuilder()
cb.LDP_rri(reg1.value, reg2.value, rn.value, offset * 8)
assert cb.hexdump() == assemble("LDP %r, %r, [%r, %d]" % (reg1, reg2, rn, offset * 8))
#
assume(rn.value != reg1.value)
assume(rn.value != reg2.value)
cb = CodeBuilder()
cb.LDP_rr_postindex(reg1.value, reg2.value, rn.value, offset * 8)
assert cb.hexdump() == assemble("LDP %r, %r, [%r], %d" % (reg1, reg2, rn, offset * 8))
@settings(max_examples=20)
@given(rt=st.sampled_from(r.registers),
rn=st.sampled_from(r.registers),
offset=st.integers(min_value=0, max_value=(1<<12)-1))
def test_LDR_ri(self, rt, rn, offset):
cb = CodeBuilder()
cb.LDR_ri(rt.value, rn.value, offset * 8)
assert cb.hexdump() == assemble("LDR %r, [%r, %d]" % (rt, rn, offset * 8))
@settings(max_examples=20)
@given(rt=st.sampled_from(r.registers),
offset=st.integers(min_value=-(1<<18), max_value=(1<<18)-1))
def test_LDR_r_literal(self, rt, offset):
cb = CodeBuilder()
cb.LDR_r_literal(rt.value, offset * 4)
assert cb.hexdump() == assemble("LDR %r, %d" % (rt, offset * 4))
@settings(max_examples=20)
@given(rd=st.sampled_from(r.registers),
rn=st.sampled_from(r.registers),
rm=st.sampled_from(r.registers))
def test_ADD_rr(self, rd, rn, rm):
cb = CodeBuilder()
cb.ADD_rr(rd.value, rn.value, rm.value)
assert cb.hexdump() == assemble("ADD %r, %r, %r" % (rd, rn, rm))
@settings(max_examples=20)
@given(rd=st.sampled_from(r.registers),
rn=st.sampled_from(r.registers),
imm=st.integers(min_value=0, max_value=(1<<12)-1))
def test_ADD_ri(self, rd, rn, imm):
cb = CodeBuilder()
cb.ADD_ri(rd.value, rn.value, imm)
assert cb.hexdump() == assemble("ADD %r, %r, %d" % (rd, rn, imm))
@settings(max_examples=20)
@given(rd=st.sampled_from(r.registers),
rn=st.sampled_from(r.registers),
ofs=st.integers(min_value=0, max_value=4095))
def test_SUB_ri(self, rd, rn, ofs):
cb = CodeBuilder()
cb.SUB_ri(rd.value, rn.value, ofs)
assert cb.hexdump() == assemble("SUB %r, %r, %d" % (rd, rn, ofs))
@settings(max_examples=20)
@given(rn=st.sampled_from(r.registers),
rm=st.sampled_from(r.registers))
def test_CMP_rr(self, rn, rm):
cb = CodeBuilder()
cb.CMP_rr(rn.value, rm.value)
assert cb.hexdump() == assemble("CMP %r, %r" % (rn, rm))
def test_BRK(self):
cb = CodeBuilder()
cb.BRK()
assert cb.hexdump() == assemble("BRK 0")
def test_STLR(self):
cb = CodeBuilder()
cb.STLR(r.x11.value, r.x22.value)
assert cb.hexdump() == assemble("STLR x11, [x22]")
def test_LDXR(self):
cb = CodeBuilder()
cb.LDXR(r.x11.value, r.x22.value)
assert cb.hexdump() == assemble("LDXR x11, [x22]")
def test_STXR(self):
cb = CodeBuilder()
cb.STXR(r.x6.value, r.x11.value, r.x22.value)
assert cb.hexdump() == assemble("STXR w6, x11, [x22]")
def test_CBNZ(self):
cb = CodeBuilder()
cb.CBNZ(r.x6.value, -8)
assert cb.hexdump() == assemble("CBNZ x6, -8")
def test_CBNZ_w(self):
cb = CodeBuilder()
cb.CBNZ_w(r.x6.value, -8)
assert cb.hexdump() == assemble("CBNZ w6, -8")
def test_CBZ(self):
cb = CodeBuilder()
cb.CBZ(r.x25.value, -888)
assert cb.hexdump() == assemble("CBZ x25, -888")
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