// Copyright 2018 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 "test/cctest/wasm/wasm-atomics-utils.h" #include "test/common/wasm/wasm-macro-gen.h" namespace v8 { namespace internal { namespace wasm { namespace test_run_wasm_atomics_64 { void RunU64BinOp(ExecutionTier execution_tier, WasmOpcode wasm_op, Uint64BinOp expected_op) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); r.builder().SetHasSharedMemory(); BUILD(r, WASM_ATOMICS_BINOP(wasm_op, WASM_I32V_1(0), WASM_GET_LOCAL(0), MachineRepresentation::kWord64)); FOR_UINT64_INPUTS(i) { uint64_t initial = i; FOR_UINT64_INPUTS(j) { r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(initial, r.Call(j)); uint64_t expected = expected_op(i, j); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } } } #define TEST_OPERATION(Name) \ WASM_EXEC_TEST(I64Atomic##Name) { \ RunU64BinOp(execution_tier, kExprI64Atomic##Name, Name); \ } OPERATION_LIST(TEST_OPERATION) #undef TEST_OPERATION void RunU32BinOp(ExecutionTier execution_tier, WasmOpcode wasm_op, Uint32BinOp expected_op) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); uint32_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint32_t)); r.builder().SetHasSharedMemory(); BUILD(r, WASM_ATOMICS_BINOP(wasm_op, WASM_I32V_1(0), WASM_GET_LOCAL(0), MachineRepresentation::kWord32)); FOR_UINT32_INPUTS(i) { uint32_t initial = i; FOR_UINT32_INPUTS(j) { r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(initial, r.Call(j)); uint32_t expected = expected_op(i, j); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } } } #define TEST_OPERATION(Name) \ WASM_EXEC_TEST(I64Atomic##Name##32U) { \ RunU32BinOp(execution_tier, kExprI64Atomic##Name##32U, Name); \ } OPERATION_LIST(TEST_OPERATION) #undef TEST_OPERATION void RunU16BinOp(ExecutionTier tier, WasmOpcode wasm_op, Uint16BinOp expected_op) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(tier); r.builder().SetHasSharedMemory(); uint16_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint16_t)); BUILD(r, WASM_ATOMICS_BINOP(wasm_op, WASM_I32V_1(0), WASM_GET_LOCAL(0), MachineRepresentation::kWord16)); FOR_UINT16_INPUTS(i) { uint16_t initial = i; FOR_UINT16_INPUTS(j) { r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(initial, r.Call(j)); uint16_t expected = expected_op(i, j); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } } } #define TEST_OPERATION(Name) \ WASM_EXEC_TEST(I64Atomic##Name##16U) { \ RunU16BinOp(execution_tier, kExprI64Atomic##Name##16U, Name); \ } OPERATION_LIST(TEST_OPERATION) #undef TEST_OPERATION void RunU8BinOp(ExecutionTier execution_tier, WasmOpcode wasm_op, Uint8BinOp expected_op) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint8_t* memory = r.builder().AddMemoryElems(kWasmPageSize); BUILD(r, WASM_ATOMICS_BINOP(wasm_op, WASM_I32V_1(0), WASM_GET_LOCAL(0), MachineRepresentation::kWord8)); FOR_UINT8_INPUTS(i) { uint8_t initial = i; FOR_UINT8_INPUTS(j) { r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(initial, r.Call(j)); uint8_t expected = expected_op(i, j); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } } } #define TEST_OPERATION(Name) \ WASM_EXEC_TEST(I64Atomic##Name##8U) { \ RunU8BinOp(execution_tier, kExprI64Atomic##Name##8U, Name); \ } OPERATION_LIST(TEST_OPERATION) #undef TEST_OPERATION WASM_EXEC_TEST(I64AtomicCompareExchange) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); BUILD(r, WASM_ATOMICS_TERNARY_OP( kExprI64AtomicCompareExchange, WASM_I32V_1(0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), MachineRepresentation::kWord64)); FOR_UINT64_INPUTS(i) { uint64_t initial = i; FOR_UINT64_INPUTS(j) { r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(initial, r.Call(i, j)); uint64_t expected = CompareExchange(initial, i, j); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } } } WASM_EXEC_TEST(I64AtomicCompareExchange32U) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint32_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint32_t)); BUILD(r, WASM_ATOMICS_TERNARY_OP(kExprI64AtomicCompareExchange32U, WASM_I32V_1(0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), MachineRepresentation::kWord32)); FOR_UINT32_INPUTS(i) { uint32_t initial = i; FOR_UINT32_INPUTS(j) { r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(initial, r.Call(i, j)); uint32_t expected = CompareExchange(initial, i, j); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } } } WASM_EXEC_TEST(I64AtomicCompareExchange16U) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint16_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint16_t)); BUILD(r, WASM_ATOMICS_TERNARY_OP(kExprI64AtomicCompareExchange16U, WASM_I32V_1(0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), MachineRepresentation::kWord16)); FOR_UINT16_INPUTS(i) { uint16_t initial = i; FOR_UINT16_INPUTS(j) { r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(initial, r.Call(i, j)); uint16_t expected = CompareExchange(initial, i, j); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } } } WASM_EXEC_TEST(I32AtomicCompareExchange8U) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint8_t* memory = r.builder().AddMemoryElems(kWasmPageSize); BUILD(r, WASM_ATOMICS_TERNARY_OP(kExprI64AtomicCompareExchange8U, WASM_I32V_1(0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), MachineRepresentation::kWord8)); FOR_UINT8_INPUTS(i) { uint8_t initial = i; FOR_UINT8_INPUTS(j) { r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(initial, r.Call(i, j)); uint8_t expected = CompareExchange(initial, i, j); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } } } WASM_EXEC_TEST(I64AtomicLoad) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); BUILD(r, WASM_ATOMICS_LOAD_OP(kExprI64AtomicLoad, WASM_ZERO, MachineRepresentation::kWord64)); FOR_UINT64_INPUTS(i) { uint64_t expected = i; r.builder().WriteMemory(&memory[0], expected); CHECK_EQ(expected, r.Call()); } } WASM_EXEC_TEST(I64AtomicLoad32U) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint32_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint32_t)); BUILD(r, WASM_ATOMICS_LOAD_OP(kExprI64AtomicLoad32U, WASM_ZERO, MachineRepresentation::kWord32)); FOR_UINT32_INPUTS(i) { uint32_t expected = i; r.builder().WriteMemory(&memory[0], expected); CHECK_EQ(expected, r.Call()); } } WASM_EXEC_TEST(I64AtomicLoad16U) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint16_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint16_t)); BUILD(r, WASM_ATOMICS_LOAD_OP(kExprI64AtomicLoad16U, WASM_ZERO, MachineRepresentation::kWord16)); FOR_UINT16_INPUTS(i) { uint16_t expected = i; r.builder().WriteMemory(&memory[0], expected); CHECK_EQ(expected, r.Call()); } } WASM_EXEC_TEST(I64AtomicLoad8U) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint8_t* memory = r.builder().AddMemoryElems(kWasmPageSize); BUILD(r, WASM_ATOMICS_LOAD_OP(kExprI64AtomicLoad8U, WASM_ZERO, MachineRepresentation::kWord8)); FOR_UINT8_INPUTS(i) { uint8_t expected = i; r.builder().WriteMemory(&memory[0], expected); CHECK_EQ(expected, r.Call()); } } WASM_EXEC_TEST(I64AtomicStoreLoad) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); BUILD(r, WASM_ATOMICS_STORE_OP(kExprI64AtomicStore, WASM_ZERO, WASM_GET_LOCAL(0), MachineRepresentation::kWord64), WASM_ATOMICS_LOAD_OP(kExprI64AtomicLoad, WASM_ZERO, MachineRepresentation::kWord64)); FOR_UINT64_INPUTS(i) { uint64_t expected = i; CHECK_EQ(expected, r.Call(i)); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } } WASM_EXEC_TEST(I64AtomicStoreLoad32U) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint32_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint32_t)); BUILD( r, WASM_ATOMICS_STORE_OP(kExprI64AtomicStore32U, WASM_ZERO, WASM_GET_LOCAL(0), MachineRepresentation::kWord32), WASM_ATOMICS_LOAD_OP(kExprI64AtomicLoad32U, WASM_ZERO, MachineRepresentation::kWord32)); FOR_UINT32_INPUTS(i) { uint32_t expected = i; CHECK_EQ(expected, r.Call(i)); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } } WASM_EXEC_TEST(I64AtomicStoreLoad16U) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint16_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint16_t)); BUILD( r, WASM_ATOMICS_STORE_OP(kExprI64AtomicStore16U, WASM_ZERO, WASM_GET_LOCAL(0), MachineRepresentation::kWord16), WASM_ATOMICS_LOAD_OP(kExprI64AtomicLoad16U, WASM_ZERO, MachineRepresentation::kWord16)); FOR_UINT16_INPUTS(i) { uint16_t expected = i; CHECK_EQ(expected, r.Call(i)); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } } WASM_EXEC_TEST(I64AtomicStoreLoad8U) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint8_t* memory = r.builder().AddMemoryElems(kWasmPageSize); BUILD(r, WASM_ATOMICS_STORE_OP(kExprI64AtomicStore8U, WASM_ZERO, WASM_GET_LOCAL(0), MachineRepresentation::kWord8), WASM_ATOMICS_LOAD_OP(kExprI64AtomicLoad8U, WASM_ZERO, MachineRepresentation::kWord8)); FOR_UINT8_INPUTS(i) { uint8_t expected = i; CHECK_EQ(expected, r.Call(i)); CHECK_EQ(i, r.builder().ReadMemory(&memory[0])); } } // Drop tests verify atomic operations are run correctly when the // entire 64-bit output is optimized out void RunDropTest(ExecutionTier execution_tier, WasmOpcode wasm_op, Uint64BinOp op) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); r.builder().SetHasSharedMemory(); BUILD(r, WASM_ATOMICS_BINOP(wasm_op, WASM_I32V_1(0), WASM_GET_LOCAL(0), MachineRepresentation::kWord64), WASM_DROP, WASM_GET_LOCAL(0)); uint64_t initial = 0x1111222233334444, local = 0x1111111111111111; r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(local, r.Call(local)); uint64_t expected = op(initial, local); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } #define TEST_OPERATION(Name) \ WASM_EXEC_TEST(I64Atomic##Name##Drop) { \ RunDropTest(execution_tier, kExprI64Atomic##Name, Name); \ } OPERATION_LIST(TEST_OPERATION) #undef TEST_OPERATION WASM_EXEC_TEST(I64AtomicSub16UDrop) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); uint16_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint16_t)); r.builder().SetHasSharedMemory(); BUILD(r, WASM_ATOMICS_BINOP(kExprI64AtomicSub16U, WASM_I32V_1(0), WASM_GET_LOCAL(0), MachineRepresentation::kWord16), WASM_DROP, WASM_GET_LOCAL(0)); uint16_t initial = 0x7, local = 0xffe0; r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(local, r.Call(local)); uint16_t expected = Sub(initial, local); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } WASM_EXEC_TEST(I64AtomicCompareExchangeDrop) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); BUILD(r, WASM_ATOMICS_TERNARY_OP(kExprI64AtomicCompareExchange, WASM_I32V_1(0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), MachineRepresentation::kWord64), WASM_DROP, WASM_GET_LOCAL(1)); uint64_t initial = 0x1111222233334444, local = 0x1111111111111111; r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(local, r.Call(initial, local)); uint64_t expected = CompareExchange(initial, initial, local); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } WASM_EXEC_TEST(I64AtomicStoreLoadDrop) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); BUILD(r, WASM_ATOMICS_STORE_OP(kExprI64AtomicStore, WASM_ZERO, WASM_GET_LOCAL(0), MachineRepresentation::kWord64), WASM_ATOMICS_LOAD_OP(kExprI64AtomicLoad, WASM_ZERO, MachineRepresentation::kWord64), WASM_DROP, WASM_GET_LOCAL(1)); uint64_t store_value = 0x1111111111111111, expected = 0xC0DE; CHECK_EQ(expected, r.Call(store_value, expected)); CHECK_EQ(store_value, r.builder().ReadMemory(&memory[0])); } WASM_EXEC_TEST(I64AtomicAddConvertDrop) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); r.builder().SetHasSharedMemory(); BUILD(r, WASM_ATOMICS_BINOP(kExprI64AtomicAdd, WASM_I32V_1(0), WASM_GET_LOCAL(0), MachineRepresentation::kWord64), kExprI32ConvertI64, WASM_DROP, WASM_GET_LOCAL(0)); uint64_t initial = 0x1111222233334444, local = 0x1111111111111111; r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(local, r.Call(local)); uint64_t expected = Add(initial, local); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } WASM_EXEC_TEST(I64AtomicLoadConvertDrop) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); r.builder().SetHasSharedMemory(); BUILD(r, WASM_I32_CONVERT_I64(WASM_ATOMICS_LOAD_OP( kExprI64AtomicLoad, WASM_ZERO, MachineRepresentation::kWord64))); uint64_t initial = 0x1111222233334444; r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(static_cast(initial), r.Call(initial)); } // Convert tests verify atomic operations are run correctly when the // upper half of the 64-bit output is optimized out void RunConvertTest(ExecutionTier execution_tier, WasmOpcode wasm_op, Uint64BinOp op) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); r.builder().SetHasSharedMemory(); BUILD(r, WASM_I32_CONVERT_I64( WASM_ATOMICS_BINOP(wasm_op, WASM_ZERO, WASM_GET_LOCAL(0), MachineRepresentation::kWord64))); uint64_t initial = 0x1111222233334444, local = 0x1111111111111111; r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(static_cast(initial), r.Call(local)); uint64_t expected = op(initial, local); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } #define TEST_OPERATION(Name) \ WASM_EXEC_TEST(I64AtomicConvert##Name) { \ RunConvertTest(execution_tier, kExprI64Atomic##Name, Name); \ } OPERATION_LIST(TEST_OPERATION) #undef TEST_OPERATION WASM_EXEC_TEST(I64AtomicConvertCompareExchange) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); r.builder().SetHasSharedMemory(); BUILD(r, WASM_I32_CONVERT_I64(WASM_ATOMICS_TERNARY_OP( kExprI64AtomicCompareExchange, WASM_I32V_1(0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), MachineRepresentation::kWord64))); uint64_t initial = 0x1111222233334444, local = 0x1111111111111111; r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(static_cast(initial), r.Call(initial, local)); uint64_t expected = CompareExchange(initial, initial, local); CHECK_EQ(expected, r.builder().ReadMemory(&memory[0])); } // The WASM_I64_EQ operation is used here to test that the index node // is lowered correctly. void RunNonConstIndexTest(ExecutionTier execution_tier, WasmOpcode wasm_op, Uint64BinOp op) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); r.builder().SetHasSharedMemory(); BUILD(r, WASM_I32_CONVERT_I64(WASM_ATOMICS_BINOP( wasm_op, WASM_I64_EQ(WASM_I64V(1), WASM_I64V(0)), WASM_GET_LOCAL(0), MachineRepresentation::kWord32))); uint64_t initial = 0x1111222233334444, local = 0x5555666677778888; r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(static_cast(initial), r.Call(local)); CHECK_EQ(static_cast(op(initial, local)), static_cast(r.builder().ReadMemory(&memory[0]))); } // Test a set of Narrow operations #define TEST_OPERATION(Name) \ WASM_EXEC_TEST(I64AtomicConstIndex##Name##Narrow) { \ RunNonConstIndexTest(execution_tier, kExprI64Atomic##Name##32U, Name); \ } OPERATION_LIST(TEST_OPERATION) #undef TEST_OPERATION // Test a set of Regular operations #define TEST_OPERATION(Name) \ WASM_EXEC_TEST(I64AtomicConstIndex##Name) { \ RunNonConstIndexTest(execution_tier, kExprI64Atomic##Name, Name); \ } OPERATION_LIST(TEST_OPERATION) #undef TEST_OPERATION WASM_EXEC_TEST(I64AtomicNonConstIndexCompareExchangeNarrow) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); r.builder().SetHasSharedMemory(); BUILD(r, WASM_I32_CONVERT_I64(WASM_ATOMICS_TERNARY_OP( kExprI64AtomicCompareExchange16U, WASM_I64_EQ(WASM_I64V(1), WASM_I64V(0)), WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), MachineRepresentation::kWord16))); uint64_t initial = 4444333322221111, local = 0x9999888877776666; r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(static_cast(initial), r.Call(initial, local)); CHECK_EQ(static_cast(CompareExchange(initial, initial, local)), static_cast(r.builder().ReadMemory(&memory[0]))); } WASM_EXEC_TEST(I64AtomicNonConstIndexCompareExchange) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); r.builder().SetHasSharedMemory(); BUILD(r, WASM_I32_CONVERT_I64(WASM_ATOMICS_TERNARY_OP( kExprI64AtomicCompareExchange, WASM_I64_EQ(WASM_I64V(1), WASM_I64V(0)), WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), MachineRepresentation::kWord16))); uint64_t initial = 4444333322221111, local = 0x9999888877776666; r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(static_cast(initial), r.Call(initial, local)); CHECK_EQ(CompareExchange(initial, initial, local), r.builder().ReadMemory(&memory[0])); } WASM_EXEC_TEST(I64AtomicNonConstIndexLoad8U) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); BUILD(r, WASM_I32_CONVERT_I64(WASM_ATOMICS_LOAD_OP( kExprI64AtomicLoad8U, WASM_I64_EQ(WASM_I64V(1), WASM_I64V(0)), MachineRepresentation::kWord8))); uint64_t expected = 0xffffeeeeddddcccc; r.builder().WriteMemory(&memory[0], expected); CHECK_EQ(static_cast(expected), r.Call()); } WASM_EXEC_TEST(I64AtomicCompareExchangeFail) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); BUILD(r, WASM_ATOMICS_TERNARY_OP( kExprI64AtomicCompareExchange, WASM_I32V_1(0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), MachineRepresentation::kWord64)); uint64_t initial = 0x1111222233334444, local = 0x1111111111111111, test = 0x2222222222222222; r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(initial, r.Call(test, local)); // No memory change on failed compare exchange CHECK_EQ(initial, r.builder().ReadMemory(&memory[0])); } WASM_EXEC_TEST(I64AtomicCompareExchange32UFail) { EXPERIMENTAL_FLAG_SCOPE(threads); WasmRunner r(execution_tier); r.builder().SetHasSharedMemory(); uint64_t* memory = r.builder().AddMemoryElems(kWasmPageSize / sizeof(uint64_t)); BUILD(r, WASM_ATOMICS_TERNARY_OP(kExprI64AtomicCompareExchange32U, WASM_I32V_1(0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), MachineRepresentation::kWord32)); uint64_t initial = 0x1111222233334444, test = 0xffffffff, local = 0xeeeeeeee; r.builder().WriteMemory(&memory[0], initial); CHECK_EQ(static_cast(initial), r.Call(test, local)); // No memory change on failed compare exchange CHECK_EQ(initial, r.builder().ReadMemory(&memory[0])); } } // namespace test_run_wasm_atomics_64 } // namespace wasm } // namespace internal } // namespace v8