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MIPS[64]: Implement Word[32|64]ReverseByte instruction selector unit tests

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BUG=

Review-Url: https://codereview.chromium.org/2398993003
Cr-Commit-Position: refs/heads/master@{#42358}
This commit is contained in:
predrag.rudic 2017-01-16 02:32:23 -08:00 committed by Commit bot
parent 4fb60b2158
commit 0d0d623b57
3 changed files with 42 additions and 0 deletions
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6
src/compiler/raw-machine-assembler.h
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@ -653,6 +653,12 @@ class V8_EXPORT_PRIVATE RawMachineAssembler {
Node* Float64RoundTiesEven(Node* a) {
return AddNode(machine()->Float64RoundTiesEven().op(), a);
}
Node* Word32ReverseBytes(Node* a) {
return AddNode(machine()->Word32ReverseBytes().op(), a);
}
Node* Word64ReverseBytes(Node* a) {
return AddNode(machine()->Word64ReverseBytes().op(), a);
}
// Float64 bit operations.
Node* Float64ExtractLowWord32(Node* a) {

12
test/unittests/compiler/mips/instruction-selector-mips-unittest.cc
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@ -1454,6 +1454,18 @@ TEST_F(InstructionSelectorTest, Float64Min) {
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
}
TEST_F(InstructionSelectorTest, Word32ReverseBytes) {
{
StreamBuilder m(this, MachineType::Int32(), MachineType::Int32());
m.Return(m.Word32ReverseBytes(m.Parameter(0)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kMipsByteSwap32, s[0]->arch_opcode());
EXPECT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
}
} // namespace compiler
} // namespace internal
} // namespace v8

24
test/unittests/compiler/mips64/instruction-selector-mips64-unittest.cc
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@ -1964,6 +1964,30 @@ TEST_F(InstructionSelectorTest, LoadAndShiftRight) {
}
}
TEST_F(InstructionSelectorTest, Word32ReverseBytes) {
{
StreamBuilder m(this, MachineType::Int32(), MachineType::Int32());
m.Return(m.Word32ReverseBytes(m.Parameter(0)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kMips64ByteSwap32, s[0]->arch_opcode());
EXPECT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
}
TEST_F(InstructionSelectorTest, Word64ReverseBytes) {
{
StreamBuilder m(this, MachineType::Int64(), MachineType::Int64());
m.Return(m.Word64ReverseBytes(m.Parameter(0)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kMips64ByteSwap64, s[0]->arch_opcode());
EXPECT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
}
} // namespace compiler
} // namespace internal
} // namespace v8