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node/deps/v8/test/unittests/compiler/riscv32/instruction-selector-riscv32-unittest.cc
Michaël Zasso 9d7cd9b864
deps: update V8 to 12.8.374.13 
PR-URL: https://github.com/nodejs/node/pull/54077
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
2024-08-16 16:03:01 +02:00

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// Copyright 2022 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file
#include "src/objects/objects-inl.h"
#include "test/unittests/compiler/backend/instruction-selector-unittest.h"
namespace v8 {
namespace internal {
namespace compiler {
namespace {
template <typename T>
struct MachInst {
T constructor;
const char* constructor_name;
ArchOpcode arch_opcode;
MachineType machine_type;
};
template <typename T>
std::ostream& operator<<(std::ostream& os, const MachInst<T>& mi) {
return os << mi.constructor_name;
}
using MachInst1 = MachInst<Node* (RawMachineAssembler::*)(Node*)>;
using MachInst2 = MachInst<Node* (RawMachineAssembler::*)(Node*, Node*)>;
// To avoid duplicated code IntCmp helper structure
// is created. It contains MachInst2 with two nodes and expected_size
// because different cmp instructions have different size.
struct IntCmp {
MachInst2 mi;
uint32_t expected_size;
};
struct FPCmp {
MachInst2 mi;
FlagsCondition cond;
};
const FPCmp kFPCmpInstructions[] = {
{{&RawMachineAssembler::Float64Equal, "Float64Equal", kRiscvCmpD,
MachineType::Float64()},
kEqual},
{{&RawMachineAssembler::Float64LessThan, "Float64LessThan", kRiscvCmpD,
MachineType::Float64()},
kUnsignedLessThan},
{{&RawMachineAssembler::Float64LessThanOrEqual, "Float64LessThanOrEqual",
kRiscvCmpD, MachineType::Float64()},
kUnsignedLessThanOrEqual},
{{&RawMachineAssembler::Float64GreaterThan, "Float64GreaterThan",
kRiscvCmpD, MachineType::Float64()},
kUnsignedLessThan},
{{&RawMachineAssembler::Float64GreaterThanOrEqual,
"Float64GreaterThanOrEqual", kRiscvCmpD, MachineType::Float64()},
kUnsignedLessThanOrEqual}};
struct Conversion {
// The machine_type field in MachInst1 represents the destination type.
MachInst1 mi;
MachineType src_machine_type;
};
// ----------------------------------------------------------------------------
// Logical instructions.
// ----------------------------------------------------------------------------
const MachInst2 kLogicalInstructions[] = {
{&RawMachineAssembler::Word32And, "Word32And", kRiscvAnd,
MachineType::Int32()},
{&RawMachineAssembler::Word32Or, "Word32Or", kRiscvOr,
MachineType::Int32()},
{&RawMachineAssembler::Word32Xor, "Word32Xor", kRiscvXor,
MachineType::Int32()}};
// ----------------------------------------------------------------------------
// Shift instructions.
// ----------------------------------------------------------------------------
const MachInst2 kShiftInstructions[] = {
{&RawMachineAssembler::Word32Shl, "Word32Shl", kRiscvShl32,
MachineType::Int32()},
{&RawMachineAssembler::Word32Shr, "Word32Shr", kRiscvShr32,
MachineType::Int32()},
{&RawMachineAssembler::Word32Sar, "Word32Sar", kRiscvSar32,
MachineType::Int32()},
{&RawMachineAssembler::Word32Ror, "Word32Ror", kRiscvRor32,
MachineType::Int32()}};
// ----------------------------------------------------------------------------
// MUL/DIV instructions.
// ----------------------------------------------------------------------------
const MachInst2 kMulDivInstructions[] = {
{&RawMachineAssembler::Int32Mul, "Int32Mul", kRiscvMul32,
MachineType::Int32()},
{&RawMachineAssembler::Int32Div, "Int32Div", kRiscvDiv32,
MachineType::Int32()},
{&RawMachineAssembler::Uint32Div, "Uint32Div", kRiscvDivU32,
MachineType::Uint32()},
{&RawMachineAssembler::Float64Mul, "Float64Mul", kRiscvMulD,
MachineType::Float64()},
{&RawMachineAssembler::Float64Div, "Float64Div", kRiscvDivD,
MachineType::Float64()}};
// ----------------------------------------------------------------------------
// MOD instructions.
// ----------------------------------------------------------------------------
const MachInst2 kModInstructions[] = {
{&RawMachineAssembler::Int32Mod, "Int32Mod", kRiscvMod32,
MachineType::Int32()},
{&RawMachineAssembler::Uint32Mod, "Uint32Mod", kRiscvModU32,
MachineType::Int32()},
{&RawMachineAssembler::Float64Mod, "Float64Mod", kRiscvModD,
MachineType::Float64()}};
// ----------------------------------------------------------------------------
// Arithmetic FPU instructions.
// ----------------------------------------------------------------------------
const MachInst2 kFPArithInstructions[] = {
{&RawMachineAssembler::Float64Add, "Float64Add", kRiscvAddD,
MachineType::Float64()},
{&RawMachineAssembler::Float64Sub, "Float64Sub", kRiscvSubD,
MachineType::Float64()}};
// ----------------------------------------------------------------------------
// IntArithTest instructions, two nodes.
// ----------------------------------------------------------------------------
const MachInst2 kAddSubInstructions[] = {
{&RawMachineAssembler::Int32Add, "Int32Add", kRiscvAdd32,
MachineType::Int32()},
{&RawMachineAssembler::Int32Sub, "Int32Sub", kRiscvSub32,
MachineType::Int32()}};
// ----------------------------------------------------------------------------
// IntArithTest instructions, one node.
// ----------------------------------------------------------------------------
const MachInst1 kAddSubOneInstructions[] = {{&RawMachineAssembler::Int32Neg,
"Int32Neg", kRiscvSub32,
MachineType::Int32()}};
// ----------------------------------------------------------------------------
// Arithmetic compare instructions.
// ----------------------------------------------------------------------------
const IntCmp kCmpInstructions[] = {
{{&RawMachineAssembler::WordEqual, "WordEqual", kRiscvCmp,
MachineType::Int64()},
1U},
{{&RawMachineAssembler::WordNotEqual, "WordNotEqual", kRiscvCmp,
MachineType::Int64()},
1U},
{{&RawMachineAssembler::Word32Equal, "Word32Equal", kRiscvCmp,
MachineType::Int32()},
1U},
{{&RawMachineAssembler::Word32NotEqual, "Word32NotEqual", kRiscvCmp,
MachineType::Int32()},
1U},
{{&RawMachineAssembler::Int32LessThan, "Int32LessThan", kRiscvCmp,
MachineType::Int32()},
1U},
{{&RawMachineAssembler::Int32LessThanOrEqual, "Int32LessThanOrEqual",
kRiscvCmp, MachineType::Int32()},
1U},
{{&RawMachineAssembler::Int32GreaterThan, "Int32GreaterThan", kRiscvCmp,
MachineType::Int32()},
1U},
{{&RawMachineAssembler::Int32GreaterThanOrEqual, "Int32GreaterThanOrEqual",
kRiscvCmp, MachineType::Int32()},
1U},
{{&RawMachineAssembler::Uint32LessThan, "Uint32LessThan", kRiscvCmp,
MachineType::Uint32()},
1U},
{{&RawMachineAssembler::Uint32LessThanOrEqual, "Uint32LessThanOrEqual",
kRiscvCmp, MachineType::Uint32()},
1U}};
// ----------------------------------------------------------------------------
// Conversion instructions.
// ----------------------------------------------------------------------------
const Conversion kConversionInstructions[] = {
// Conversion instructions are related to machine_operator.h:
// FPU conversions:
// Convert representation of integers between float64 and int32/uint32.
// The precise rounding mode and handling of out of range inputs are *not*
// defined for these operators, since they are intended only for use with
// integers.
// mips instructions:
// mtc1, cvt.d.w
{{&RawMachineAssembler::ChangeInt32ToFloat64, "ChangeInt32ToFloat64",
kRiscvCvtDW, MachineType::Float64()},
MachineType::Int32()},
// mips instructions:
// cvt.d.uw
{{&RawMachineAssembler::ChangeUint32ToFloat64, "ChangeUint32ToFloat64",
kRiscvCvtDUw, MachineType::Float64()},
MachineType::Int32()},
// mips instructions:
// mfc1, trunc double to word, for more details look at mips macro
// asm and mips asm file
{{&RawMachineAssembler::ChangeFloat64ToInt32, "ChangeFloat64ToInt32",
kRiscvTruncWD, MachineType::Float64()},
MachineType::Int32()},
// mips instructions:
// trunc double to unsigned word, for more details look at mips macro
// asm and mips asm file
{{&RawMachineAssembler::ChangeFloat64ToUint32, "ChangeFloat64ToUint32",
kRiscvTruncUwD, MachineType::Float64()},
MachineType::Int32()}};
const Conversion kFloat32RoundInstructions[] = {
{{&RawMachineAssembler::Float32RoundUp, "Float32RoundUp",
kRiscvFloat32RoundUp, MachineType::Int32()},
MachineType::Float32()},
{{&RawMachineAssembler::Float32RoundDown, "Float32RoundDown",
kRiscvFloat32RoundDown, MachineType::Int32()},
MachineType::Float32()},
{{&RawMachineAssembler::Float32RoundTiesEven, "Float32RoundTiesEven",
kRiscvFloat32RoundTiesEven, MachineType::Int32()},
MachineType::Float32()},
{{&RawMachineAssembler::Float32RoundTruncate, "Float32RoundTruncate",
kRiscvFloat32RoundTruncate, MachineType::Int32()},
MachineType::Float32()}};
} // namespace
using InstructionSelectorFPCmpTest = InstructionSelectorTestWithParam<FPCmp>;
TEST_P(InstructionSelectorFPCmpTest, Parameter) {
const FPCmp cmp = GetParam();
StreamBuilder m(this, MachineType::Int32(), cmp.mi.machine_type,
cmp.mi.machine_type);
m.Return((m.*cmp.mi.constructor)(m.Parameter(0), m.Parameter(1)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(cmp.mi.arch_opcode, s[0]->arch_opcode());
EXPECT_EQ(2U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
EXPECT_EQ(kFlags_set, s[0]->flags_mode());
EXPECT_EQ(cmp.cond, s[0]->flags_condition());
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest, InstructionSelectorFPCmpTest,
::testing::ValuesIn(kFPCmpInstructions));
// ----------------------------------------------------------------------------
// Arithmetic compare instructions integers
// ----------------------------------------------------------------------------
using InstructionSelectorCmpTest = InstructionSelectorTestWithParam<IntCmp>;
TEST_P(InstructionSelectorCmpTest, Parameter) {
const IntCmp cmp = GetParam();
const MachineType type = cmp.mi.machine_type;
StreamBuilder m(this, type, type, type);
m.Return((m.*cmp.mi.constructor)(m.Parameter(0), m.Parameter(1)));
Stream s = m.Build();
if (v8_flags.debug_code &&
type.representation() == MachineRepresentation::kWord32) {
ASSERT_EQ(1U, s.size());
EXPECT_EQ(cmp.mi.arch_opcode, s[0]->arch_opcode());
EXPECT_EQ(2U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
} else {
ASSERT_EQ(cmp.expected_size, s.size());
EXPECT_EQ(cmp.mi.arch_opcode, s[0]->arch_opcode());
EXPECT_EQ(2U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest, InstructionSelectorCmpTest,
::testing::ValuesIn(kCmpInstructions));
// ----------------------------------------------------------------------------
// Shift instructions.
// ----------------------------------------------------------------------------
using InstructionSelectorShiftTest =
InstructionSelectorTestWithParam<MachInst2>;
TEST_P(InstructionSelectorShiftTest, Immediate) {
const MachInst2 dpi = GetParam();
const MachineType type = dpi.machine_type;
TRACED_FORRANGE(int32_t, imm, 0,
((1 << ElementSizeLog2Of(type.representation())) * 8) - 1) {
StreamBuilder m(this, type, type);
m.Return((m.*dpi.constructor)(m.Parameter(0), m.Int32Constant(imm)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(dpi.arch_opcode, s[0]->arch_opcode());
EXPECT_EQ(2U, s[0]->InputCount());
EXPECT_TRUE(s[0]->InputAt(1)->IsImmediate());
EXPECT_EQ(imm, s.ToInt32(s[0]->InputAt(1)));
EXPECT_EQ(1U, s[0]->OutputCount());
}
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest, InstructionSelectorShiftTest,
::testing::ValuesIn(kShiftInstructions));
// ----------------------------------------------------------------------------
// Logical instructions.
// ----------------------------------------------------------------------------
using InstructionSelectorLogicalTest =
InstructionSelectorTestWithParam<MachInst2>;
TEST_P(InstructionSelectorLogicalTest, Parameter) {
const MachInst2 dpi = GetParam();
const MachineType type = dpi.machine_type;
StreamBuilder m(this, type, type, type);
m.Return((m.*dpi.constructor)(m.Parameter(0), m.Parameter(1)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(dpi.arch_opcode, s[0]->arch_opcode());
EXPECT_EQ(2U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest,
InstructionSelectorLogicalTest,
::testing::ValuesIn(kLogicalInstructions));
TEST_F(InstructionSelectorTest, Word32ShlWithWord32And) {
TRACED_FORRANGE(int32_t, shift, 0, 30) {
StreamBuilder m(this, MachineType::Int32(), MachineType::Int32());
Node* const p0 = m.Parameter(0);
Node* const r =
m.Word32Shl(m.Word32And(p0, m.Int32Constant((1 << (31 - shift)) - 1)),
m.Int32Constant(shift + 1));
m.Return(r);
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvShl32, s[0]->arch_opcode());
ASSERT_EQ(2U, s[0]->InputCount());
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
ASSERT_EQ(1U, s[0]->OutputCount());
EXPECT_EQ(s.ToVreg(r), s.ToVreg(s[0]->Output()));
}
}
// TEST_F(InstructionSelectorTest, Word64ShlWithWord64And) {
// TRACED_FORRANGE(int32_t, shift, 0, 62) {
// StreamBuilder m(this, MachineType::Int64(), MachineType::Int64());
// Node* const p0 = m.Parameter(0);
// Node* const r =
// m.Word64Shl(m.Word64And(p0, m.Int64Constant((1L << (63 - shift)) -
// 1)),
// m.Int64Constant(shift + 1));
// m.Return(r);
// Stream s = m.Build();
// ASSERT_EQ(1U, s.size());
// EXPECT_EQ(kRiscvShl64, s[0]->arch_opcode());
// ASSERT_EQ(2U, s[0]->InputCount());
// EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
// ASSERT_EQ(1U, s[0]->OutputCount());
// EXPECT_EQ(s.ToVreg(r), s.ToVreg(s[0]->Output()));
// }
// }
TEST_F(InstructionSelectorTest, Word32SarWithWord32Shl) {
{
StreamBuilder m(this, MachineType::Int32(), MachineType::Int32());
Node* const p0 = m.Parameter(0);
Node* const r =
m.Word32Sar(m.Word32Shl(p0, m.Int32Constant(24)), m.Int32Constant(24));
m.Return(r);
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvSignExtendByte, s[0]->arch_opcode());
ASSERT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
ASSERT_EQ(1U, s[0]->OutputCount());
EXPECT_EQ(s.ToVreg(r), s.ToVreg(s[0]->Output()));
}
{
StreamBuilder m(this, MachineType::Int32(), MachineType::Int32());
Node* const p0 = m.Parameter(0);
Node* const r =
m.Word32Sar(m.Word32Shl(p0, m.Int32Constant(16)), m.Int32Constant(16));
m.Return(r);
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvSignExtendShort, s[0]->arch_opcode());
ASSERT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
ASSERT_EQ(1U, s[0]->OutputCount());
EXPECT_EQ(s.ToVreg(r), s.ToVreg(s[0]->Output()));
}
{
StreamBuilder m(this, MachineType::Int32(), MachineType::Int32());
Node* const p0 = m.Parameter(0);
Node* const r =
m.Word32Sar(m.Word32Shl(p0, m.Int32Constant(32)), m.Int32Constant(32));
m.Return(r);
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvShl32, s[0]->arch_opcode());
ASSERT_EQ(2U, s[0]->InputCount());
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
EXPECT_EQ(0, s.ToInt32(s[0]->InputAt(1)));
ASSERT_EQ(1U, s[0]->OutputCount());
EXPECT_EQ(s.ToVreg(r), s.ToVreg(s[0]->Output()));
}
}
// ----------------------------------------------------------------------------
// MUL/DIV instructions.
// ----------------------------------------------------------------------------
using InstructionSelectorMulDivTest =
InstructionSelectorTestWithParam<MachInst2>;
TEST_P(InstructionSelectorMulDivTest, Parameter) {
const MachInst2 dpi = GetParam();
const MachineType type = dpi.machine_type;
StreamBuilder m(this, type, type, type);
m.Return((m.*dpi.constructor)(m.Parameter(0), m.Parameter(1)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(dpi.arch_opcode, s[0]->arch_opcode());
EXPECT_EQ(2U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest, InstructionSelectorMulDivTest,
::testing::ValuesIn(kMulDivInstructions));
// ----------------------------------------------------------------------------
// MOD instructions.
// ----------------------------------------------------------------------------
using InstructionSelectorModTest = InstructionSelectorTestWithParam<MachInst2>;
TEST_P(InstructionSelectorModTest, Parameter) {
const MachInst2 dpi = GetParam();
const MachineType type = dpi.machine_type;
StreamBuilder m(this, type, type, type);
m.Return((m.*dpi.constructor)(m.Parameter(0), m.Parameter(1)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(dpi.arch_opcode, s[0]->arch_opcode());
EXPECT_EQ(2U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest, InstructionSelectorModTest,
::testing::ValuesIn(kModInstructions));
// ----------------------------------------------------------------------------
// Floating point instructions.
// ----------------------------------------------------------------------------
using InstructionSelectorFPArithTest =
InstructionSelectorTestWithParam<MachInst2>;
TEST_P(InstructionSelectorFPArithTest, Parameter) {
const MachInst2 fpa = GetParam();
StreamBuilder m(this, fpa.machine_type, fpa.machine_type, fpa.machine_type);
m.Return((m.*fpa.constructor)(m.Parameter(0), m.Parameter(1)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(fpa.arch_opcode, s[0]->arch_opcode());
EXPECT_EQ(2U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest,
InstructionSelectorFPArithTest,
::testing::ValuesIn(kFPArithInstructions));
// ----------------------------------------------------------------------------
// Integer arithmetic
// ----------------------------------------------------------------------------
using InstructionSelectorIntArithTwoTest =
InstructionSelectorTestWithParam<MachInst2>;
TEST_P(InstructionSelectorIntArithTwoTest, Parameter) {
const MachInst2 intpa = GetParam();
StreamBuilder m(this, intpa.machine_type, intpa.machine_type,
intpa.machine_type);
m.Return((m.*intpa.constructor)(m.Parameter(0), m.Parameter(1)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(intpa.arch_opcode, s[0]->arch_opcode());
EXPECT_EQ(2U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest,
InstructionSelectorIntArithTwoTest,
::testing::ValuesIn(kAddSubInstructions));
// ----------------------------------------------------------------------------
// One node.
// ----------------------------------------------------------------------------
using InstructionSelectorIntArithOneTest =
InstructionSelectorTestWithParam<MachInst1>;
TEST_P(InstructionSelectorIntArithOneTest, Parameter) {
const MachInst1 intpa = GetParam();
StreamBuilder m(this, intpa.machine_type, intpa.machine_type,
intpa.machine_type);
m.Return((m.*intpa.constructor)(m.Parameter(0)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(intpa.arch_opcode, s[0]->arch_opcode());
EXPECT_EQ(2U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest,
InstructionSelectorIntArithOneTest,
::testing::ValuesIn(kAddSubOneInstructions));
// ----------------------------------------------------------------------------
// Conversions.
// ----------------------------------------------------------------------------
using InstructionSelectorConversionTest =
InstructionSelectorTestWithParam<Conversion>;
TEST_P(InstructionSelectorConversionTest, Parameter) {
const Conversion conv = GetParam();
StreamBuilder m(this, conv.mi.machine_type, conv.src_machine_type);
m.Return((m.*conv.mi.constructor)(m.Parameter(0)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(conv.mi.arch_opcode, s[0]->arch_opcode());
EXPECT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest,
InstructionSelectorConversionTest,
::testing::ValuesIn(kConversionInstructions));
using CombineChangeFloat32ToInt32WithRoundFloat32 =
InstructionSelectorTestWithParam<Conversion>;
TEST_P(CombineChangeFloat32ToInt32WithRoundFloat32, Parameter) {
{
const Conversion conv = GetParam();
StreamBuilder m(this, conv.mi.machine_type, conv.src_machine_type);
m.Return(m.ChangeFloat64ToInt32(
m.ChangeFloat32ToFloat64((m.*conv.mi.constructor)(m.Parameter(0)))));
Stream s = m.Build();
ASSERT_EQ(2U, s.size());
EXPECT_EQ(conv.mi.arch_opcode, s[0]->arch_opcode());
EXPECT_EQ(kRiscvTruncWS, s[1]->arch_opcode());
EXPECT_EQ(kMode_None, s[0]->addressing_mode());
ASSERT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest,
CombineChangeFloat32ToInt32WithRoundFloat32,
::testing::ValuesIn(kFloat32RoundInstructions));
TEST_F(InstructionSelectorTest, ChangeFloat64ToInt32OfChangeFloat32ToFloat64) {
{
StreamBuilder m(this, MachineType::Int32(), MachineType::Float32());
m.Return(m.ChangeFloat64ToInt32(m.ChangeFloat32ToFloat64(m.Parameter(0))));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvTruncWS, s[0]->arch_opcode());
EXPECT_EQ(kMode_None, s[0]->addressing_mode());
ASSERT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
}
TEST_F(InstructionSelectorTest,
TruncateFloat64ToFloat32OfChangeInt32ToFloat64) {
{
StreamBuilder m(this, MachineType::Float32(), MachineType::Int32());
m.Return(
m.TruncateFloat64ToFloat32(m.ChangeInt32ToFloat64(m.Parameter(0))));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvCvtSW, s[0]->arch_opcode());
EXPECT_EQ(kMode_None, s[0]->addressing_mode());
ASSERT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
}
// ----------------------------------------------------------------------------
// Loads and stores.
// ----------------------------------------------------------------------------
namespace {
struct MemoryAccess {
MachineType type;
ArchOpcode load_opcode;
ArchOpcode store_opcode;
};
static const MemoryAccess kMemoryAccesses[] = {
{MachineType::Int8(), kRiscvLb, kRiscvSb},
{MachineType::Uint8(), kRiscvLbu, kRiscvSb},
{MachineType::Int16(), kRiscvLh, kRiscvSh},
{MachineType::Uint16(), kRiscvLhu, kRiscvSh},
{MachineType::Int32(), kRiscvLw, kRiscvSw},
{MachineType::Float32(), kRiscvLoadFloat, kRiscvStoreFloat},
{MachineType::Float64(), kRiscvLoadDouble, kRiscvStoreDouble}};
struct MemoryAccessImm {
MachineType type;
ArchOpcode load_opcode;
ArchOpcode store_opcode;
bool (InstructionSelectorTest::Stream::*val_predicate)(
const InstructionOperand*) const;
const int32_t immediates[40];
};
std::ostream& operator<<(std::ostream& os, const MemoryAccessImm& acc) {
return os << acc.type;
}
struct MemoryAccessImm1 {
MachineType type;
ArchOpcode load_opcode;
ArchOpcode store_opcode;
bool (InstructionSelectorTest::Stream::*val_predicate)(
const InstructionOperand*) const;
const int32_t immediates[5];
};
std::ostream& operator<<(std::ostream& os, const MemoryAccessImm1& acc) {
return os << acc.type;
}
// ----------------------------------------------------------------------------
// Loads and stores immediate values
// ----------------------------------------------------------------------------
const MemoryAccessImm kMemoryAccessesImm[] = {
{MachineType::Int8(),
kRiscvLb,
kRiscvSb,
&InstructionSelectorTest::Stream::IsInteger,
{-4095, -3340, -3231, -3224, -3088, -1758, -1203, -123, -117, -91,
-89, -87, -86, -82, -44, -23, -3, 0, 7, 10,
39, 52, 69, 71, 91, 92, 107, 109, 115, 124,
286, 655, 1362, 1569, 2587, 3067, 3096, 3462, 3510, 4095}},
{MachineType::Uint8(),
kRiscvLbu,
kRiscvSb,
&InstructionSelectorTest::Stream::IsInteger,
{-4095, -3340, -3231, -3224, -3088, -1758, -1203, -123, -117, -91,
-89, -87, -86, -82, -44, -23, -3, 0, 7, 10,
39, 52, 69, 71, 91, 92, 107, 109, 115, 124,
286, 655, 1362, 1569, 2587, 3067, 3096, 3462, 3510, 4095}},
{MachineType::Int16(),
kRiscvLh,
kRiscvSh,
&InstructionSelectorTest::Stream::IsInteger,
{-4095, -3340, -3231, -3224, -3088, -1758, -1203, -123, -117, -91,
-89, -87, -86, -82, -44, -23, -3, 0, 7, 10,
39, 52, 69, 71, 91, 92, 107, 109, 115, 124,
286, 655, 1362, 1569, 2587, 3067, 3096, 3462, 3510, 4095}},
{MachineType::Uint16(),
kRiscvLhu,
kRiscvSh,
&InstructionSelectorTest::Stream::IsInteger,
{-4095, -3340, -3231, -3224, -3088, -1758, -1203, -123, -117, -91,
-89, -87, -86, -82, -44, -23, -3, 0, 7, 10,
39, 52, 69, 71, 91, 92, 107, 109, 115, 124,
286, 655, 1362, 1569, 2587, 3067, 3096, 3462, 3510, 4095}},
{MachineType::Int32(),
kRiscvLw,
kRiscvSw,
&InstructionSelectorTest::Stream::IsInteger,
{-4095, -3340, -3231, -3224, -3088, -1758, -1203, -123, -117, -91,
-89, -87, -86, -82, -44, -23, -3, 0, 7, 10,
39, 52, 69, 71, 91, 92, 107, 109, 115, 124,
286, 655, 1362, 1569, 2587, 3067, 3096, 3462, 3510, 4095}},
{MachineType::Float32(),
kRiscvLoadFloat,
kRiscvStoreFloat,
&InstructionSelectorTest::Stream::IsDouble,
{-4095, -3340, -3231, -3224, -3088, -1758, -1203, -123, -117, -91,
-89, -87, -86, -82, -44, -23, -3, 0, 7, 10,
39, 52, 69, 71, 91, 92, 107, 109, 115, 124,
286, 655, 1362, 1569, 2587, 3067, 3096, 3462, 3510, 4095}},
{MachineType::Float64(),
kRiscvLoadDouble,
kRiscvStoreDouble,
&InstructionSelectorTest::Stream::IsDouble,
{-4095, -3340, -3231, -3224, -3088, -1758, -1203, -123, -117, -91,
-89, -87, -86, -82, -44, -23, -3, 0, 7, 10,
39, 52, 69, 71, 91, 92, 107, 109, 115, 124,
286, 655, 1362, 1569, 2587, 3067, 3096, 3462, 3510, 4095}}};
const MemoryAccessImm1 kMemoryAccessImmMoreThan16bit[] = {
{MachineType::Int8(),
kRiscvLb,
kRiscvSb,
&InstructionSelectorTest::Stream::IsInteger,
{-65000, -55000, 32777, 55000, 65000}},
{MachineType::Uint8(),
kRiscvLbu,
kRiscvSb,
&InstructionSelectorTest::Stream::IsInteger,
{-65000, -55000, 32777, 55000, 65000}},
{MachineType::Int16(),
kRiscvLh,
kRiscvSh,
&InstructionSelectorTest::Stream::IsInteger,
{-65000, -55000, 32777, 55000, 65000}},
{MachineType::Uint16(),
kRiscvLhu,
kRiscvSh,
&InstructionSelectorTest::Stream::IsInteger,
{-65000, -55000, 32777, 55000, 65000}},
{MachineType::Int32(),
kRiscvLw,
kRiscvSw,
&InstructionSelectorTest::Stream::IsInteger,
{-65000, -55000, 32777, 55000, 65000}},
{MachineType::Float32(),
kRiscvLoadFloat,
kRiscvStoreFloat,
&InstructionSelectorTest::Stream::IsDouble,
{-65000, -55000, 32777, 55000, 65000}},
{MachineType::Float64(),
kRiscvLoadDouble,
kRiscvStoreDouble,
&InstructionSelectorTest::Stream::IsDouble,
{-65000, -55000, 32777, 55000, 65000}}};
#ifdef RISCV_HAS_NO_UNALIGNED
struct MemoryAccessImm2 {
MachineType type;
ArchOpcode store_opcode;
ArchOpcode store_opcode_unaligned;
bool (InstructionSelectorTest::Stream::*val_predicate)(
const InstructionOperand*) const;
const int32_t immediates[40];
};
std::ostream& operator<<(std::ostream& os, const MemoryAccessImm2& acc) {
return os << acc.type;
}
const MemoryAccessImm2 kMemoryAccessesImmUnaligned[] = {
{MachineType::Int16(),
kRiscvUsh,
kRiscvSh,
&InstructionSelectorTest::Stream::IsInteger,
{-4095, -3340, -3231, -3224, -3088, -1758, -1203, -123, -117, -91,
-89, -87, -86, -82, -44, -23, -3, 0, 7, 10,
39, 52, 69, 71, 91, 92, 107, 109, 115, 124,
286, 655, 1362, 1569, 2587, 3067, 3096, 3462, 3510, 4095}},
{MachineType::Int32(),
kRiscvUsw,
kRiscvSw,
&InstructionSelectorTest::Stream::IsInteger,
{-4095, -3340, -3231, -3224, -3088, -1758, -1203, -123, -117, -91,
-89, -87, -86, -82, -44, -23, -3, 0, 7, 10,
39, 52, 69, 71, 91, 92, 107, 109, 115, 124,
286, 655, 1362, 1569, 2587, 3067, 3096, 3462, 3510, 4095}},
{MachineType::Int64(),
kRiscvUsd,
kRiscvSd,
&InstructionSelectorTest::Stream::IsInteger,
{-4095, -3340, -3231, -3224, -3088, -1758, -1203, -123, -117, -91,
-89, -87, -86, -82, -44, -23, -3, 0, 7, 10,
39, 52, 69, 71, 91, 92, 107, 109, 115, 124,
286, 655, 1362, 1569, 2587, 3067, 3096, 3462, 3510, 4095}},
{MachineType::Float32(),
kRiscvUStoreFloat,
kRiscvStoreFloat,
&InstructionSelectorTest::Stream::IsDouble,
{-4095, -3340, -3231, -3224, -3088, -1758, -1203, -123, -117, -91,
-89, -87, -86, -82, -44, -23, -3, 0, 7, 10,
39, 52, 69, 71, 91, 92, 107, 109, 115, 124,
286, 655, 1362, 1569, 2587, 3067, 3096, 3462, 3510, 4095}},
{MachineType::Float64(),
kRiscvUStoreDouble,
kRiscvStoreDouble,
&InstructionSelectorTest::Stream::IsDouble,
{-4095, -3340, -3231, -3224, -3088, -1758, -1203, -123, -117, -91,
-89, -87, -86, -82, -44, -23, -3, 0, 7, 10,
39, 52, 69, 71, 91, 92, 107, 109, 115, 124,
286, 655, 1362, 1569, 2587, 3067, 3096, 3462, 3510, 4095}}};
#endif
} // namespace
using InstructionSelectorMemoryAccessTest =
InstructionSelectorTestWithParam<MemoryAccess>;
TEST_P(InstructionSelectorMemoryAccessTest, LoadWithParameters) {
const MemoryAccess memacc = GetParam();
StreamBuilder m(this, memacc.type, MachineType::Pointer(),
MachineType::Int32());
m.Return(m.Load(memacc.type, m.Parameter(0)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(memacc.load_opcode, s[0]->arch_opcode());
EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
}
TEST_P(InstructionSelectorMemoryAccessTest, StoreWithParameters) {
const MemoryAccess memacc = GetParam();
StreamBuilder m(this, MachineType::Int32(), MachineType::Pointer(),
MachineType::Int32(), memacc.type);
m.Store(memacc.type.representation(), m.Parameter(0), m.Parameter(1),
kNoWriteBarrier);
m.Return(m.Int32Constant(0));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(memacc.store_opcode, s[0]->arch_opcode());
EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest,
InstructionSelectorMemoryAccessTest,
::testing::ValuesIn(kMemoryAccesses));
// ----------------------------------------------------------------------------
// Load immediate.
// ----------------------------------------------------------------------------
using InstructionSelectorMemoryAccessImmTest =
InstructionSelectorTestWithParam<MemoryAccessImm>;
TEST_P(InstructionSelectorMemoryAccessImmTest, LoadWithImmediateIndex) {
const MemoryAccessImm memacc = GetParam();
TRACED_FOREACH(int32_t, index, memacc.immediates) {
StreamBuilder m(this, memacc.type, MachineType::Pointer());
m.Return(m.Load(memacc.type, m.Parameter(0), m.Int32Constant(index)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(memacc.load_opcode, s[0]->arch_opcode());
EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
ASSERT_EQ(2U, s[0]->InputCount());
ASSERT_EQ(InstructionOperand::IMMEDIATE, s[0]->InputAt(1)->kind());
EXPECT_EQ(index, s.ToInt32(s[0]->InputAt(1)));
ASSERT_EQ(1U, s[0]->OutputCount());
EXPECT_TRUE((s.*memacc.val_predicate)(s[0]->Output()));
}
}
// ----------------------------------------------------------------------------
// Store immediate.
// ----------------------------------------------------------------------------
TEST_P(InstructionSelectorMemoryAccessImmTest, StoreWithImmediateIndex) {
const MemoryAccessImm memacc = GetParam();
TRACED_FOREACH(int32_t, index, memacc.immediates) {
StreamBuilder m(this, MachineType::Int32(), MachineType::Pointer(),
memacc.type);
m.Store(memacc.type.representation(), m.Parameter(0),
m.Int32Constant(index), m.Parameter(1), kNoWriteBarrier);
m.Return(m.Int32Constant(0));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(memacc.store_opcode, s[0]->arch_opcode());
EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
ASSERT_EQ(3U, s[0]->InputCount());
ASSERT_EQ(InstructionOperand::IMMEDIATE, s[0]->InputAt(2)->kind());
EXPECT_EQ(index, s.ToInt32(s[0]->InputAt(2)));
EXPECT_EQ(0U, s[0]->OutputCount());
}
}
TEST_P(InstructionSelectorMemoryAccessImmTest, StoreZero) {
const MemoryAccessImm memacc = GetParam();
TRACED_FOREACH(int32_t, index, memacc.immediates) {
StreamBuilder m(this, MachineType::Int32(), MachineType::Pointer());
m.Store(memacc.type.representation(), m.Parameter(0),
m.Int32Constant(index), m.Int32Constant(0), kNoWriteBarrier);
m.Return(m.Int32Constant(0));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(memacc.store_opcode, s[0]->arch_opcode());
EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
ASSERT_EQ(3U, s[0]->InputCount());
ASSERT_EQ(InstructionOperand::IMMEDIATE, s[0]->InputAt(2)->kind());
EXPECT_EQ(index, s.ToInt32(s[0]->InputAt(2)));
ASSERT_EQ(InstructionOperand::IMMEDIATE, s[0]->InputAt(0)->kind());
EXPECT_EQ(0, s.ToInt64(s[0]->InputAt(0)));
EXPECT_EQ(0U, s[0]->OutputCount());
}
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest,
InstructionSelectorMemoryAccessImmTest,
::testing::ValuesIn(kMemoryAccessesImm));
#ifdef RISCV_HAS_NO_UNALIGNED
using InstructionSelectorMemoryAccessUnalignedImmTest =
InstructionSelectorTestWithParam<MemoryAccessImm2>;
TEST_P(InstructionSelectorMemoryAccessUnalignedImmTest, StoreZero) {
const MemoryAccessImm2 memacc = GetParam();
TRACED_FOREACH(int32_t, index, memacc.immediates) {
StreamBuilder m(this, MachineType::Int32(), MachineType::Pointer());
bool unaligned_store_supported =
m.machine()->UnalignedStoreSupported(memacc.type.representation());
m.UnalignedStore(memacc.type.representation(), m.Parameter(0),
m.Int32Constant(index), m.Int32Constant(0));
m.Return(m.Int32Constant(0));
Stream s = m.Build();
uint32_t i = is_int12(index) ? 0 : 1;
ASSERT_EQ(i + 1, s.size());
EXPECT_EQ(unaligned_store_supported ? memacc.store_opcode_unaligned
: memacc.store_opcode,
s[i]->arch_opcode());
EXPECT_EQ(kMode_MRI, s[i]->addressing_mode());
ASSERT_EQ(3U, s[i]->InputCount());
ASSERT_EQ(InstructionOperand::IMMEDIATE, s[i]->InputAt(1)->kind());
EXPECT_EQ(i == 0 ? index : 0, s.ToInt32(s[i]->InputAt(1)));
ASSERT_EQ(InstructionOperand::IMMEDIATE, s[i]->InputAt(2)->kind());
EXPECT_EQ(0, s.ToInt64(s[i]->InputAt(2)));
EXPECT_EQ(0U, s[i]->OutputCount());
}
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest,
InstructionSelectorMemoryAccessUnalignedImmTest,
::testing::ValuesIn(kMemoryAccessesImmUnaligned));
#endif
// ----------------------------------------------------------------------------
// Load/store offsets more than 16 bits.
// ----------------------------------------------------------------------------
using InstructionSelectorMemoryAccessImmMoreThan16bitTest =
InstructionSelectorTestWithParam<MemoryAccessImm1>;
TEST_P(InstructionSelectorMemoryAccessImmMoreThan16bitTest,
LoadWithImmediateIndex) {
const MemoryAccessImm1 memacc = GetParam();
TRACED_FOREACH(int32_t, index, memacc.immediates) {
StreamBuilder m(this, memacc.type, MachineType::Pointer());
m.Return(m.Load(memacc.type, m.Parameter(0), m.Int32Constant(index)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(memacc.load_opcode, s[0]->arch_opcode());
EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
EXPECT_EQ(2U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
}
TEST_P(InstructionSelectorMemoryAccessImmMoreThan16bitTest,
StoreWithImmediateIndex) {
const MemoryAccessImm1 memacc = GetParam();
TRACED_FOREACH(int32_t, index, memacc.immediates) {
StreamBuilder m(this, MachineType::Int32(), MachineType::Pointer(),
memacc.type);
m.Store(memacc.type.representation(), m.Parameter(0),
m.Int32Constant(index), m.Parameter(1), kNoWriteBarrier);
m.Return(m.Int32Constant(0));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(memacc.store_opcode, s[0]->arch_opcode());
EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
EXPECT_EQ(3U, s[0]->InputCount());
EXPECT_EQ(0U, s[0]->OutputCount());
}
}
INSTANTIATE_TEST_SUITE_P(InstructionSelectorTest,
InstructionSelectorMemoryAccessImmMoreThan16bitTest,
::testing::ValuesIn(kMemoryAccessImmMoreThan16bit));
// ----------------------------------------------------------------------------
// kRiscvCmp with zero testing.
// ----------------------------------------------------------------------------
TEST_F(InstructionSelectorTest, Word32EqualWithZero) {
{
StreamBuilder m(this, MachineType::Int32(), MachineType::Int32());
m.Return(m.Word32Equal(m.Parameter(0), m.Int32Constant(0)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvCmpZero, s[0]->arch_opcode());
EXPECT_EQ(kMode_None, s[0]->addressing_mode());
ASSERT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
EXPECT_EQ(kFlags_set, s[0]->flags_mode());
EXPECT_EQ(kEqual, s[0]->flags_condition());
}
{
StreamBuilder m(this, MachineType::Int32(), MachineType::Int32());
m.Return(m.Word32Equal(m.Int32Constant(0), m.Parameter(0)));
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvCmpZero, s[0]->arch_opcode());
EXPECT_EQ(kMode_None, s[0]->addressing_mode());
ASSERT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
EXPECT_EQ(kFlags_set, s[0]->flags_mode());
EXPECT_EQ(kEqual, s[0]->flags_condition());
}
}
TEST_F(InstructionSelectorTest, Word32Clz) {
StreamBuilder m(this, MachineType::Uint32(), MachineType::Uint32());
Node* const p0 = m.Parameter(0);
Node* const n = m.Word32Clz(p0);
m.Return(n);
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvClz32, s[0]->arch_opcode());
ASSERT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
ASSERT_EQ(1U, s[0]->OutputCount());
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
}
TEST_F(InstructionSelectorTest, Float32Abs) {
StreamBuilder m(this, MachineType::Float32(), MachineType::Float32());
Node* const p0 = m.Parameter(0);
Node* const n = m.Float32Abs(p0);
m.Return(n);
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvAbsS, s[0]->arch_opcode());
ASSERT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
ASSERT_EQ(1U, s[0]->OutputCount());
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
}
TEST_F(InstructionSelectorTest, Float64Abs) {
StreamBuilder m(this, MachineType::Float64(), MachineType::Float64());
Node* const p0 = m.Parameter(0);
Node* const n = m.Float64Abs(p0);
m.Return(n);
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvAbsD, s[0]->arch_opcode());
ASSERT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
ASSERT_EQ(1U, s[0]->OutputCount());
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
}
TEST_F(InstructionSelectorTest, Float64Max) {
StreamBuilder m(this, MachineType::Float64(), MachineType::Float64(),
MachineType::Float64());
Node* const p0 = m.Parameter(0);
Node* const p1 = m.Parameter(1);
Node* const n = m.Float64Max(p0, p1);
m.Return(n);
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvFloat64Max, s[0]->arch_opcode());
ASSERT_EQ(2U, s[0]->InputCount());
ASSERT_EQ(1U, s[0]->OutputCount());
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
}
TEST_F(InstructionSelectorTest, Float64Min) {
StreamBuilder m(this, MachineType::Float64(), MachineType::Float64(),
MachineType::Float64());
Node* const p0 = m.Parameter(0);
Node* const p1 = m.Parameter(1);
Node* const n = m.Float64Min(p0, p1);
m.Return(n);
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvFloat64Min, s[0]->arch_opcode());
ASSERT_EQ(2U, s[0]->InputCount());
ASSERT_EQ(1U, s[0]->OutputCount());
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(kRiscvByteSwap32, s[0]->arch_opcode());
EXPECT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(1U, s[0]->OutputCount());
}
}
TEST_F(InstructionSelectorTest, ExternalReferenceLoad1) {
// Test offsets we can use kMode_Root for.
const int32_t kOffsets[] = {0, 1, 4, INT32_MIN, INT32_MAX};
TRACED_FOREACH(int64_t, offset, kOffsets) {
StreamBuilder m(this, MachineType::Int32());
ExternalReference reference = base::bit_cast<ExternalReference>(
(int32_t)(isolate()->isolate_root() + offset));
Node* const value =
m.Load(MachineType::Int32(), m.ExternalConstant(reference));
m.Return(value);
Stream s = m.Build();
ASSERT_EQ(1U, s.size());
EXPECT_EQ(kRiscvLw, s[0]->arch_opcode());
EXPECT_EQ(kMode_Root, s[0]->addressing_mode());
EXPECT_EQ(1U, s[0]->InputCount());
EXPECT_EQ(s.ToInt64(s[0]->InputAt(0)), offset);
EXPECT_EQ(1U, s[0]->OutputCount());
}
}
} // namespace compiler
} // namespace internal
} // namespace v8
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