diff options
Diffstat (limited to 'deps/v8/test/unittests/compiler/arm/instruction-selector-arm-unittest.cc')
-rw-r--r-- | deps/v8/test/unittests/compiler/arm/instruction-selector-arm-unittest.cc | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/deps/v8/test/unittests/compiler/arm/instruction-selector-arm-unittest.cc b/deps/v8/test/unittests/compiler/arm/instruction-selector-arm-unittest.cc index fbdf87a2b2..1fa0b10842 100644 --- a/deps/v8/test/unittests/compiler/arm/instruction-selector-arm-unittest.cc +++ b/deps/v8/test/unittests/compiler/arm/instruction-selector-arm-unittest.cc @@ -1479,6 +1479,85 @@ INSTANTIATE_TEST_CASE_P(InstructionSelectorTest, // ----------------------------------------------------------------------------- +// Floating point comparisons. + + +const Comparison kFPComparisons[] = { + {&RawMachineAssembler::Float64Equal, "Float64Equal", kEqual, kNotEqual}, + {&RawMachineAssembler::Float64LessThan, "Float64LessThan", + kUnsignedLessThan, kUnsignedGreaterThanOrEqual}, + {&RawMachineAssembler::Float64LessThanOrEqual, "Float64LessThanOrEqual", + kUnsignedLessThanOrEqual, kUnsignedGreaterThan}}; + + +typedef InstructionSelectorTestWithParam<Comparison> + InstructionSelectorFPComparisonTest; + + +TEST_P(InstructionSelectorFPComparisonTest, WithParameters) { + const Comparison& cmp = GetParam(); + StreamBuilder m(this, kMachInt32, kMachFloat64, kMachFloat64); + m.Return((m.*cmp.constructor)(m.Parameter(0), m.Parameter(1))); + Stream const s = m.Build(); + ASSERT_EQ(1U, s.size()); + EXPECT_EQ(kArmVcmpF64, s[0]->arch_opcode()); + ASSERT_EQ(2U, s[0]->InputCount()); + ASSERT_EQ(1U, s[0]->OutputCount()); + EXPECT_EQ(kFlags_set, s[0]->flags_mode()); + EXPECT_EQ(cmp.flags_condition, s[0]->flags_condition()); +} + + +TEST_P(InstructionSelectorFPComparisonTest, NegatedWithParameters) { + const Comparison& cmp = GetParam(); + StreamBuilder m(this, kMachInt32, kMachFloat64, kMachFloat64); + m.Return( + m.WordBinaryNot((m.*cmp.constructor)(m.Parameter(0), m.Parameter(1)))); + Stream const s = m.Build(); + ASSERT_EQ(1U, s.size()); + EXPECT_EQ(kArmVcmpF64, s[0]->arch_opcode()); + ASSERT_EQ(2U, s[0]->InputCount()); + ASSERT_EQ(1U, s[0]->OutputCount()); + EXPECT_EQ(kFlags_set, s[0]->flags_mode()); + EXPECT_EQ(cmp.negated_flags_condition, s[0]->flags_condition()); +} + + +TEST_P(InstructionSelectorFPComparisonTest, WithImmediateZeroOnRight) { + const Comparison& cmp = GetParam(); + StreamBuilder m(this, kMachInt32, kMachFloat64); + m.Return((m.*cmp.constructor)(m.Parameter(0), m.Float64Constant(0.0))); + Stream const s = m.Build(); + ASSERT_EQ(1U, s.size()); + EXPECT_EQ(kArmVcmpF64, s[0]->arch_opcode()); + ASSERT_EQ(2U, s[0]->InputCount()); + EXPECT_TRUE(s[0]->InputAt(1)->IsImmediate()); + ASSERT_EQ(1U, s[0]->OutputCount()); + EXPECT_EQ(kFlags_set, s[0]->flags_mode()); + EXPECT_EQ(cmp.flags_condition, s[0]->flags_condition()); +} + + +INSTANTIATE_TEST_CASE_P(InstructionSelectorTest, + InstructionSelectorFPComparisonTest, + ::testing::ValuesIn(kFPComparisons)); + + +TEST_F(InstructionSelectorTest, Float64EqualWithImmediateZeroOnLeft) { + StreamBuilder m(this, kMachInt32, kMachFloat64); + m.Return(m.Float64Equal(m.Float64Constant(0.0), m.Parameter(0))); + Stream s = m.Build(); + ASSERT_EQ(1U, s.size()); + EXPECT_EQ(kArmVcmpF64, s[0]->arch_opcode()); + EXPECT_EQ(2U, s[0]->InputCount()); + EXPECT_TRUE(s[0]->InputAt(1)->IsImmediate()); + EXPECT_EQ(1U, s[0]->OutputCount()); + EXPECT_EQ(kFlags_set, s[0]->flags_mode()); + EXPECT_EQ(kEqual, s[0]->flags_condition()); +} + + +// ----------------------------------------------------------------------------- // Miscellaneous. |