| // Copyright 2013 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include <stdlib.h> |
| #include <iostream> // NOLINT(readability/streams) |
| |
| #include "src/base/utils/random-number-generator.h" |
| #include "src/macro-assembler.h" |
| #include "src/mips/macro-assembler-mips.h" |
| #include "src/mips/simulator-mips.h" |
| #include "src/v8.h" |
| #include "test/cctest/cctest.h" |
| |
| |
| using namespace v8::internal; |
| |
| typedef void* (*F)(int x, int y, int p2, int p3, int p4); |
| typedef Object* (*F1)(int x, int p1, int p2, int p3, int p4); |
| typedef Object* (*F3)(void* p, int p1, int p2, int p3, int p4); |
| |
| #define __ masm-> |
| |
| |
| static byte to_non_zero(int n) { |
| return static_cast<unsigned>(n) % 255 + 1; |
| } |
| |
| |
| static bool all_zeroes(const byte* beg, const byte* end) { |
| CHECK(beg); |
| CHECK(beg <= end); |
| while (beg < end) { |
| if (*beg++ != 0) |
| return false; |
| } |
| return true; |
| } |
| |
| TEST(BYTESWAP) { |
| CcTest::InitializeVM(); |
| Isolate* isolate = CcTest::i_isolate(); |
| HandleScope handles(isolate); |
| |
| struct T { |
| int32_t r1; |
| int32_t r2; |
| int32_t r3; |
| int32_t r4; |
| int32_t r5; |
| }; |
| T t; |
| |
| MacroAssembler assembler(isolate, NULL, 0, |
| v8::internal::CodeObjectRequired::kYes); |
| MacroAssembler* masm = &assembler; |
| |
| __ lw(a2, MemOperand(a0, offsetof(T, r1))); |
| __ nop(); |
| __ ByteSwapSigned(a2, 4); |
| __ sw(a2, MemOperand(a0, offsetof(T, r1))); |
| |
| __ lw(a2, MemOperand(a0, offsetof(T, r2))); |
| __ nop(); |
| __ ByteSwapSigned(a2, 2); |
| __ sw(a2, MemOperand(a0, offsetof(T, r2))); |
| |
| __ lw(a2, MemOperand(a0, offsetof(T, r3))); |
| __ nop(); |
| __ ByteSwapSigned(a2, 1); |
| __ sw(a2, MemOperand(a0, offsetof(T, r3))); |
| |
| __ lw(a2, MemOperand(a0, offsetof(T, r4))); |
| __ nop(); |
| __ ByteSwapUnsigned(a2, 1); |
| __ sw(a2, MemOperand(a0, offsetof(T, r4))); |
| |
| __ lw(a2, MemOperand(a0, offsetof(T, r5))); |
| __ nop(); |
| __ ByteSwapUnsigned(a2, 2); |
| __ sw(a2, MemOperand(a0, offsetof(T, r5))); |
| |
| __ jr(ra); |
| __ nop(); |
| |
| CodeDesc desc; |
| masm->GetCode(&desc); |
| Handle<Code> code = isolate->factory()->NewCode( |
| desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| ::F3 f = FUNCTION_CAST<::F3>(code->entry()); |
| t.r1 = 0x781A15C3; |
| t.r2 = 0x2CDE; |
| t.r3 = 0x9F; |
| t.r4 = 0x9F; |
| t.r5 = 0x2CDE; |
| Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0); |
| USE(dummy); |
| |
| CHECK_EQ(static_cast<int32_t>(0xC3151A78), t.r1); |
| CHECK_EQ(static_cast<int32_t>(0xDE2C0000), t.r2); |
| CHECK_EQ(static_cast<int32_t>(0x9FFFFFFF), t.r3); |
| CHECK_EQ(static_cast<int32_t>(0x9F000000), t.r4); |
| CHECK_EQ(static_cast<int32_t>(0xDE2C0000), t.r5); |
| } |
| |
| TEST(CopyBytes) { |
| CcTest::InitializeVM(); |
| Isolate* isolate = CcTest::i_isolate(); |
| HandleScope handles(isolate); |
| |
| const int data_size = 1 * KB; |
| size_t act_size; |
| |
| // Allocate two blocks to copy data between. |
| byte* src_buffer = |
| static_cast<byte*>(v8::base::OS::Allocate(data_size, &act_size, 0)); |
| CHECK(src_buffer); |
| CHECK(act_size >= static_cast<size_t>(data_size)); |
| byte* dest_buffer = |
| static_cast<byte*>(v8::base::OS::Allocate(data_size, &act_size, 0)); |
| CHECK(dest_buffer); |
| CHECK(act_size >= static_cast<size_t>(data_size)); |
| |
| // Storage for a0 and a1. |
| byte* a0_; |
| byte* a1_; |
| |
| MacroAssembler assembler(isolate, NULL, 0, |
| v8::internal::CodeObjectRequired::kYes); |
| MacroAssembler* masm = &assembler; |
| |
| // Code to be generated: The stuff in CopyBytes followed by a store of a0 and |
| // a1, respectively. |
| __ CopyBytes(a0, a1, a2, a3); |
| __ li(a2, Operand(reinterpret_cast<int>(&a0_))); |
| __ li(a3, Operand(reinterpret_cast<int>(&a1_))); |
| __ sw(a0, MemOperand(a2)); |
| __ jr(ra); |
| __ sw(a1, MemOperand(a3)); |
| |
| CodeDesc desc; |
| masm->GetCode(&desc); |
| Handle<Code> code = isolate->factory()->NewCode( |
| desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| |
| ::F f = FUNCTION_CAST< ::F>(code->entry()); |
| |
| // Initialise source data with non-zero bytes. |
| for (int i = 0; i < data_size; i++) { |
| src_buffer[i] = to_non_zero(i); |
| } |
| |
| const int fuzz = 11; |
| |
| for (int size = 0; size < 600; size++) { |
| for (const byte* src = src_buffer; src < src_buffer + fuzz; src++) { |
| for (byte* dest = dest_buffer; dest < dest_buffer + fuzz; dest++) { |
| memset(dest_buffer, 0, data_size); |
| CHECK(dest + size < dest_buffer + data_size); |
| (void)CALL_GENERATED_CODE(isolate, f, reinterpret_cast<int>(src), |
| reinterpret_cast<int>(dest), size, 0, 0); |
| // a0 and a1 should point at the first byte after the copied data. |
| CHECK_EQ(src + size, a0_); |
| CHECK_EQ(dest + size, a1_); |
| // Check that we haven't written outside the target area. |
| CHECK(all_zeroes(dest_buffer, dest)); |
| CHECK(all_zeroes(dest + size, dest_buffer + data_size)); |
| // Check the target area. |
| CHECK_EQ(0, memcmp(src, dest, size)); |
| } |
| } |
| } |
| |
| // Check that the source data hasn't been clobbered. |
| for (int i = 0; i < data_size; i++) { |
| CHECK(src_buffer[i] == to_non_zero(i)); |
| } |
| } |
| |
| |
| static void TestNaN(const char *code) { |
| // NaN value is different on MIPS and x86 architectures, and TEST(NaNx) |
| // tests checks the case where a x86 NaN value is serialized into the |
| // snapshot on the simulator during cross compilation. |
| v8::HandleScope scope(CcTest::isolate()); |
| v8::Local<v8::Context> context = CcTest::NewContext(PRINT_EXTENSION); |
| v8::Context::Scope context_scope(context); |
| |
| v8::Local<v8::Script> script = |
| v8::Script::Compile(context, v8_str(code)).ToLocalChecked(); |
| v8::Local<v8::Object> result = |
| v8::Local<v8::Object>::Cast(script->Run(context).ToLocalChecked()); |
| i::Handle<i::JSReceiver> o = v8::Utils::OpenHandle(*result); |
| i::Handle<i::JSArray> array1(reinterpret_cast<i::JSArray*>(*o)); |
| i::FixedDoubleArray* a = i::FixedDoubleArray::cast(array1->elements()); |
| double value = a->get_scalar(0); |
| CHECK(std::isnan(value) && |
| bit_cast<uint64_t>(value) == |
| bit_cast<uint64_t>(std::numeric_limits<double>::quiet_NaN())); |
| } |
| |
| |
| TEST(NaN0) { |
| TestNaN( |
| "var result;" |
| "for (var i = 0; i < 2; i++) {" |
| " result = new Array(Number.NaN, Number.POSITIVE_INFINITY);" |
| "}" |
| "result;"); |
| } |
| |
| |
| TEST(NaN1) { |
| TestNaN( |
| "var result;" |
| "for (var i = 0; i < 2; i++) {" |
| " result = [NaN];" |
| "}" |
| "result;"); |
| } |
| |
| |
| TEST(jump_tables4) { |
| // Similar to test-assembler-mips jump_tables1, with extra test for branch |
| // trampoline required before emission of the dd table (where trampolines are |
| // blocked), and proper transition to long-branch mode. |
| // Regression test for v8:4294. |
| CcTest::InitializeVM(); |
| Isolate* isolate = CcTest::i_isolate(); |
| HandleScope scope(isolate); |
| MacroAssembler assembler(isolate, nullptr, 0, |
| v8::internal::CodeObjectRequired::kYes); |
| MacroAssembler* masm = &assembler; |
| |
| const int kNumCases = 512; |
| int values[kNumCases]; |
| isolate->random_number_generator()->NextBytes(values, sizeof(values)); |
| Label labels[kNumCases]; |
| Label near_start, end, done; |
| |
| __ Push(ra); |
| __ mov(v0, zero_reg); |
| |
| __ Branch(&end); |
| __ bind(&near_start); |
| |
| // Generate slightly less than 32K instructions, which will soon require |
| // trampoline for branch distance fixup. |
| for (int i = 0; i < 32768 - 256; ++i) { |
| __ addiu(v0, v0, 1); |
| } |
| |
| __ GenerateSwitchTable(a0, kNumCases, |
| [&labels](size_t i) { return labels + i; }); |
| |
| for (int i = 0; i < kNumCases; ++i) { |
| __ bind(&labels[i]); |
| __ li(v0, values[i]); |
| __ Branch(&done); |
| } |
| |
| __ bind(&done); |
| __ Pop(ra); |
| __ jr(ra); |
| __ nop(); |
| |
| __ bind(&end); |
| __ Branch(&near_start); |
| |
| CodeDesc desc; |
| masm->GetCode(&desc); |
| Handle<Code> code = isolate->factory()->NewCode( |
| desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| #ifdef OBJECT_PRINT |
| code->Print(std::cout); |
| #endif |
| F1 f = FUNCTION_CAST<F1>(code->entry()); |
| for (int i = 0; i < kNumCases; ++i) { |
| int res = |
| reinterpret_cast<int>(CALL_GENERATED_CODE(isolate, f, i, 0, 0, 0, 0)); |
| ::printf("f(%d) = %d\n", i, res); |
| CHECK_EQ(values[i], res); |
| } |
| } |
| |
| |
| TEST(jump_tables5) { |
| if (!IsMipsArchVariant(kMips32r6)) return; |
| |
| // Similar to test-assembler-mips jump_tables1, with extra test for emitting a |
| // compact branch instruction before emission of the dd table. |
| CcTest::InitializeVM(); |
| Isolate* isolate = CcTest::i_isolate(); |
| HandleScope scope(isolate); |
| MacroAssembler assembler(isolate, nullptr, 0, |
| v8::internal::CodeObjectRequired::kYes); |
| MacroAssembler* masm = &assembler; |
| |
| const int kNumCases = 512; |
| int values[kNumCases]; |
| isolate->random_number_generator()->NextBytes(values, sizeof(values)); |
| Label labels[kNumCases]; |
| Label done; |
| |
| __ Push(ra); |
| |
| { |
| __ BlockTrampolinePoolFor(kNumCases + 6 + 1); |
| PredictableCodeSizeScope predictable( |
| masm, kNumCases * kPointerSize + ((6 + 1) * Assembler::kInstrSize)); |
| |
| __ addiupc(at, 6 + 1); |
| __ Lsa(at, at, a0, 2); |
| __ lw(at, MemOperand(at)); |
| __ jalr(at); |
| __ nop(); // Branch delay slot nop. |
| __ bc(&done); |
| // A nop instruction must be generated by the forbidden slot guard |
| // (Assembler::dd(Label*)). |
| for (int i = 0; i < kNumCases; ++i) { |
| __ dd(&labels[i]); |
| } |
| } |
| |
| for (int i = 0; i < kNumCases; ++i) { |
| __ bind(&labels[i]); |
| __ li(v0, values[i]); |
| __ jr(ra); |
| __ nop(); |
| } |
| |
| __ bind(&done); |
| __ Pop(ra); |
| __ jr(ra); |
| __ nop(); |
| |
| CodeDesc desc; |
| masm->GetCode(&desc); |
| Handle<Code> code = isolate->factory()->NewCode( |
| desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| #ifdef OBJECT_PRINT |
| code->Print(std::cout); |
| #endif |
| F1 f = FUNCTION_CAST<F1>(code->entry()); |
| for (int i = 0; i < kNumCases; ++i) { |
| int32_t res = reinterpret_cast<int32_t>( |
| CALL_GENERATED_CODE(isolate, f, i, 0, 0, 0, 0)); |
| ::printf("f(%d) = %d\n", i, res); |
| CHECK_EQ(values[i], res); |
| } |
| } |
| |
| |
| static uint32_t run_lsa(uint32_t rt, uint32_t rs, int8_t sa) { |
| Isolate* isolate = CcTest::i_isolate(); |
| HandleScope scope(isolate); |
| MacroAssembler assembler(isolate, nullptr, 0, |
| v8::internal::CodeObjectRequired::kYes); |
| MacroAssembler* masm = &assembler; |
| |
| __ Lsa(v0, a0, a1, sa); |
| __ jr(ra); |
| __ nop(); |
| |
| CodeDesc desc; |
| assembler.GetCode(&desc); |
| Handle<Code> code = isolate->factory()->NewCode( |
| desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| |
| F1 f = FUNCTION_CAST<F1>(code->entry()); |
| |
| uint32_t res = reinterpret_cast<uint32_t>( |
| CALL_GENERATED_CODE(isolate, f, rt, rs, 0, 0, 0)); |
| |
| return res; |
| } |
| |
| |
| TEST(Lsa) { |
| CcTest::InitializeVM(); |
| struct TestCaseLsa { |
| int32_t rt; |
| int32_t rs; |
| uint8_t sa; |
| uint32_t expected_res; |
| }; |
| |
| struct TestCaseLsa tc[] = {// rt, rs, sa, expected_res |
| {0x4, 0x1, 1, 0x6}, |
| {0x4, 0x1, 2, 0x8}, |
| {0x4, 0x1, 3, 0xc}, |
| {0x4, 0x1, 4, 0x14}, |
| {0x4, 0x1, 5, 0x24}, |
| {0x0, 0x1, 1, 0x2}, |
| {0x0, 0x1, 2, 0x4}, |
| {0x0, 0x1, 3, 0x8}, |
| {0x0, 0x1, 4, 0x10}, |
| {0x0, 0x1, 5, 0x20}, |
| {0x4, 0x0, 1, 0x4}, |
| {0x4, 0x0, 2, 0x4}, |
| {0x4, 0x0, 3, 0x4}, |
| {0x4, 0x0, 4, 0x4}, |
| {0x4, 0x0, 5, 0x4}, |
| |
| // Shift overflow. |
| {0x4, INT32_MAX, 1, 0x2}, |
| {0x4, INT32_MAX >> 1, 2, 0x0}, |
| {0x4, INT32_MAX >> 2, 3, 0xfffffffc}, |
| {0x4, INT32_MAX >> 3, 4, 0xfffffff4}, |
| {0x4, INT32_MAX >> 4, 5, 0xffffffe4}, |
| |
| // Signed addition overflow. |
| {INT32_MAX - 1, 0x1, 1, 0x80000000}, |
| {INT32_MAX - 3, 0x1, 2, 0x80000000}, |
| {INT32_MAX - 7, 0x1, 3, 0x80000000}, |
| {INT32_MAX - 15, 0x1, 4, 0x80000000}, |
| {INT32_MAX - 31, 0x1, 5, 0x80000000}, |
| |
| // Addition overflow. |
| {-2, 0x1, 1, 0x0}, |
| {-4, 0x1, 2, 0x0}, |
| {-8, 0x1, 3, 0x0}, |
| {-16, 0x1, 4, 0x0}, |
| {-32, 0x1, 5, 0x0}}; |
| |
| size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseLsa); |
| for (size_t i = 0; i < nr_test_cases; ++i) { |
| uint32_t res = run_lsa(tc[i].rt, tc[i].rs, tc[i].sa); |
| PrintF("0x%x =? 0x%x == lsa(v0, %x, %x, %hhu)\n", tc[i].expected_res, res, |
| tc[i].rt, tc[i].rs, tc[i].sa); |
| CHECK_EQ(tc[i].expected_res, res); |
| } |
| } |
| |
| static const std::vector<uint32_t> cvt_trunc_uint32_test_values() { |
| static const uint32_t kValues[] = {0x00000000, 0x00000001, 0x00ffff00, |
| 0x7fffffff, 0x80000000, 0x80000001, |
| 0x80ffff00, 0x8fffffff, 0xffffffff}; |
| return std::vector<uint32_t>(&kValues[0], &kValues[arraysize(kValues)]); |
| } |
| |
| static const std::vector<int32_t> cvt_trunc_int32_test_values() { |
| static const int32_t kValues[] = { |
| static_cast<int32_t>(0x00000000), static_cast<int32_t>(0x00000001), |
| static_cast<int32_t>(0x00ffff00), static_cast<int32_t>(0x7fffffff), |
| static_cast<int32_t>(0x80000000), static_cast<int32_t>(0x80000001), |
| static_cast<int32_t>(0x80ffff00), static_cast<int32_t>(0x8fffffff), |
| static_cast<int32_t>(0xffffffff)}; |
| return std::vector<int32_t>(&kValues[0], &kValues[arraysize(kValues)]); |
| } |
| |
| // Helper macros that can be used in FOR_INT32_INPUTS(i) { ... *i ... } |
| #define FOR_INPUTS(ctype, itype, var, test_vector) \ |
| std::vector<ctype> var##_vec = test_vector(); \ |
| for (std::vector<ctype>::iterator var = var##_vec.begin(); \ |
| var != var##_vec.end(); ++var) |
| |
| #define FOR_INPUTS2(ctype, itype, var, var2, test_vector) \ |
| std::vector<ctype> var##_vec = test_vector(); \ |
| std::vector<ctype>::iterator var; \ |
| std::vector<ctype>::reverse_iterator var2; \ |
| for (var = var##_vec.begin(), var2 = var##_vec.rbegin(); \ |
| var != var##_vec.end(); ++var, ++var2) |
| |
| #define FOR_ENUM_INPUTS(var, type, test_vector) \ |
| FOR_INPUTS(enum type, type, var, test_vector) |
| #define FOR_STRUCT_INPUTS(var, type, test_vector) \ |
| FOR_INPUTS(struct type, type, var, test_vector) |
| #define FOR_UINT32_INPUTS(var, test_vector) \ |
| FOR_INPUTS(uint32_t, uint32, var, test_vector) |
| #define FOR_INT32_INPUTS(var, test_vector) \ |
| FOR_INPUTS(int32_t, int32, var, test_vector) |
| #define FOR_INT32_INPUTS2(var, var2, test_vector) \ |
| FOR_INPUTS2(int32_t, int32, var, var2, test_vector) |
| |
| #define FOR_UINT64_INPUTS(var, test_vector) \ |
| FOR_INPUTS(uint64_t, uint32, var, test_vector) |
| |
| template <typename RET_TYPE, typename IN_TYPE, typename Func> |
| RET_TYPE run_Cvt(IN_TYPE x, Func GenerateConvertInstructionFunc) { |
| typedef RET_TYPE (*F_CVT)(IN_TYPE x0, int x1, int x2, int x3, int x4); |
| |
| Isolate* isolate = CcTest::i_isolate(); |
| HandleScope scope(isolate); |
| MacroAssembler assm(isolate, nullptr, 0, |
| v8::internal::CodeObjectRequired::kYes); |
| MacroAssembler* masm = &assm; |
| |
| __ mtc1(a0, f4); |
| GenerateConvertInstructionFunc(masm); |
| __ mfc1(v0, f2); |
| __ jr(ra); |
| __ nop(); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Handle<Code> code = isolate->factory()->NewCode( |
| desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| |
| F_CVT f = FUNCTION_CAST<F_CVT>(code->entry()); |
| |
| return reinterpret_cast<RET_TYPE>( |
| CALL_GENERATED_CODE(isolate, f, x, 0, 0, 0, 0)); |
| } |
| |
| TEST(cvt_s_w_Trunc_uw_s) { |
| CcTest::InitializeVM(); |
| FOR_UINT32_INPUTS(i, cvt_trunc_uint32_test_values) { |
| uint32_t input = *i; |
| CHECK_EQ(static_cast<float>(input), |
| run_Cvt<uint32_t>(input, [](MacroAssembler* masm) { |
| __ cvt_s_w(f0, f4); |
| __ Trunc_uw_s(f2, f0, f1); |
| })); |
| } |
| } |
| |
| TEST(cvt_d_w_Trunc_w_d) { |
| CcTest::InitializeVM(); |
| FOR_INT32_INPUTS(i, cvt_trunc_int32_test_values) { |
| int32_t input = *i; |
| CHECK_EQ(static_cast<double>(input), |
| run_Cvt<int32_t>(input, [](MacroAssembler* masm) { |
| __ cvt_d_w(f0, f4); |
| __ Trunc_w_d(f2, f0); |
| })); |
| } |
| } |
| |
| static const std::vector<int32_t> overflow_int32_test_values() { |
| static const int32_t kValues[] = { |
| static_cast<int32_t>(0xf0000000), static_cast<int32_t>(0x00000001), |
| static_cast<int32_t>(0xff000000), static_cast<int32_t>(0x0000f000), |
| static_cast<int32_t>(0x0f000000), static_cast<int32_t>(0x991234ab), |
| static_cast<int32_t>(0xb0ffff01), static_cast<int32_t>(0x00006fff), |
| static_cast<int32_t>(0xffffffff)}; |
| return std::vector<int32_t>(&kValues[0], &kValues[arraysize(kValues)]); |
| } |
| |
| enum OverflowBranchType { |
| kAddBranchOverflow, |
| kSubBranchOverflow, |
| }; |
| |
| struct OverflowRegisterCombination { |
| Register dst; |
| Register left; |
| Register right; |
| Register scratch; |
| }; |
| |
| static const std::vector<enum OverflowBranchType> overflow_branch_type() { |
| static const enum OverflowBranchType kValues[] = {kAddBranchOverflow, |
| kSubBranchOverflow}; |
| return std::vector<enum OverflowBranchType>(&kValues[0], |
| &kValues[arraysize(kValues)]); |
| } |
| |
| static const std::vector<struct OverflowRegisterCombination> |
| overflow_register_combination() { |
| static const struct OverflowRegisterCombination kValues[] = { |
| {t0, t1, t2, t3}, {t0, t0, t2, t3}, {t0, t1, t0, t3}, {t0, t1, t1, t3}}; |
| return std::vector<struct OverflowRegisterCombination>( |
| &kValues[0], &kValues[arraysize(kValues)]); |
| } |
| |
| template <typename T> |
| static bool IsAddOverflow(T x, T y) { |
| DCHECK(std::numeric_limits<T>::is_integer); |
| T max = std::numeric_limits<T>::max(); |
| T min = std::numeric_limits<T>::min(); |
| |
| return (x > 0 && y > (max - x)) || (x < 0 && y < (min - x)); |
| } |
| |
| template <typename T> |
| static bool IsSubOverflow(T x, T y) { |
| DCHECK(std::numeric_limits<T>::is_integer); |
| T max = std::numeric_limits<T>::max(); |
| T min = std::numeric_limits<T>::min(); |
| |
| return (y > 0 && x < (min + y)) || (y < 0 && x > (max + y)); |
| } |
| |
| template <typename IN_TYPE, typename Func> |
| static bool runOverflow(IN_TYPE valLeft, IN_TYPE valRight, |
| Func GenerateOverflowInstructions) { |
| typedef int32_t (*F_CVT)(char* x0, int x1, int x2, int x3, int x4); |
| |
| Isolate* isolate = CcTest::i_isolate(); |
| HandleScope scope(isolate); |
| MacroAssembler assm(isolate, nullptr, 0, |
| v8::internal::CodeObjectRequired::kYes); |
| MacroAssembler* masm = &assm; |
| |
| GenerateOverflowInstructions(masm, valLeft, valRight); |
| __ jr(ra); |
| __ nop(); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Handle<Code> code = isolate->factory()->NewCode( |
| desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| |
| F_CVT f = FUNCTION_CAST<F_CVT>(code->entry()); |
| |
| int32_t r = |
| reinterpret_cast<int32_t>(CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0)); |
| |
| DCHECK(r == 0 || r == 1); |
| return r; |
| } |
| |
| TEST(BranchOverflowInt32BothLabels) { |
| FOR_INT32_INPUTS(i, overflow_int32_test_values) { |
| FOR_INT32_INPUTS(j, overflow_int32_test_values) { |
| FOR_ENUM_INPUTS(br, OverflowBranchType, overflow_branch_type) { |
| FOR_STRUCT_INPUTS(regComb, OverflowRegisterCombination, |
| overflow_register_combination) { |
| int32_t ii = *i; |
| int32_t jj = *j; |
| enum OverflowBranchType branchType = *br; |
| struct OverflowRegisterCombination rc = *regComb; |
| |
| // If left and right register are same then left and right |
| // test values must also be same, otherwise we skip the test |
| if (rc.left.code() == rc.right.code()) { |
| if (ii != jj) { |
| continue; |
| } |
| } |
| |
| bool res1 = runOverflow<int32_t>( |
| ii, jj, [branchType, rc](MacroAssembler* masm, int32_t valLeft, |
| int32_t valRight) { |
| Label overflow, no_overflow, end; |
| __ li(rc.left, valLeft); |
| __ li(rc.right, valRight); |
| switch (branchType) { |
| case kAddBranchOverflow: |
| __ AddBranchOvf(rc.dst, rc.left, rc.right, &overflow, |
| &no_overflow, rc.scratch); |
| break; |
| case kSubBranchOverflow: |
| __ SubBranchOvf(rc.dst, rc.left, rc.right, &overflow, |
| &no_overflow, rc.scratch); |
| break; |
| } |
| __ li(v0, 2); |
| __ Branch(&end); |
| __ bind(&overflow); |
| __ li(v0, 1); |
| __ Branch(&end); |
| __ bind(&no_overflow); |
| __ li(v0, 0); |
| __ bind(&end); |
| }); |
| |
| bool res2 = runOverflow<int32_t>( |
| ii, jj, [branchType, rc](MacroAssembler* masm, int32_t valLeft, |
| int32_t valRight) { |
| Label overflow, no_overflow, end; |
| __ li(rc.left, valLeft); |
| switch (branchType) { |
| case kAddBranchOverflow: |
| __ AddBranchOvf(rc.dst, rc.left, Operand(valRight), |
| &overflow, &no_overflow, rc.scratch); |
| break; |
| case kSubBranchOverflow: |
| __ SubBranchOvf(rc.dst, rc.left, Operand(valRight), |
| &overflow, &no_overflow, rc.scratch); |
| break; |
| } |
| __ li(v0, 2); |
| __ Branch(&end); |
| __ bind(&overflow); |
| __ li(v0, 1); |
| __ Branch(&end); |
| __ bind(&no_overflow); |
| __ li(v0, 0); |
| __ bind(&end); |
| }); |
| |
| switch (branchType) { |
| case kAddBranchOverflow: |
| CHECK_EQ(IsAddOverflow<int32_t>(ii, jj), res1); |
| CHECK_EQ(IsAddOverflow<int32_t>(ii, jj), res2); |
| break; |
| case kSubBranchOverflow: |
| CHECK_EQ(IsSubOverflow<int32_t>(ii, jj), res1); |
| CHECK_EQ(IsSubOverflow<int32_t>(ii, jj), res2); |
| break; |
| default: |
| UNREACHABLE(); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| TEST(BranchOverflowInt32LeftLabel) { |
| FOR_INT32_INPUTS(i, overflow_int32_test_values) { |
| FOR_INT32_INPUTS(j, overflow_int32_test_values) { |
| FOR_ENUM_INPUTS(br, OverflowBranchType, overflow_branch_type) { |
| FOR_STRUCT_INPUTS(regComb, OverflowRegisterCombination, |
| overflow_register_combination) { |
| int32_t ii = *i; |
| int32_t jj = *j; |
| enum OverflowBranchType branchType = *br; |
| struct OverflowRegisterCombination rc = *regComb; |
| |
| // If left and right register are same then left and right |
| // test values must also be same, otherwise we skip the test |
| if (rc.left.code() == rc.right.code()) { |
| if (ii != jj) { |
| continue; |
| } |
| } |
| |
| bool res1 = runOverflow<int32_t>( |
| ii, jj, [branchType, rc](MacroAssembler* masm, int32_t valLeft, |
| int32_t valRight) { |
| Label overflow, end; |
| __ li(rc.left, valLeft); |
| __ li(rc.right, valRight); |
| switch (branchType) { |
| case kAddBranchOverflow: |
| __ AddBranchOvf(rc.dst, rc.left, rc.right, &overflow, NULL, |
| rc.scratch); |
| break; |
| case kSubBranchOverflow: |
| __ SubBranchOvf(rc.dst, rc.left, rc.right, &overflow, NULL, |
| rc.scratch); |
| break; |
| } |
| __ li(v0, 0); |
| __ Branch(&end); |
| __ bind(&overflow); |
| __ li(v0, 1); |
| __ bind(&end); |
| }); |
| |
| bool res2 = runOverflow<int32_t>( |
| ii, jj, [branchType, rc](MacroAssembler* masm, int32_t valLeft, |
| int32_t valRight) { |
| Label overflow, end; |
| __ li(rc.left, valLeft); |
| switch (branchType) { |
| case kAddBranchOverflow: |
| __ AddBranchOvf(rc.dst, rc.left, Operand(valRight), |
| &overflow, NULL, rc.scratch); |
| break; |
| case kSubBranchOverflow: |
| __ SubBranchOvf(rc.dst, rc.left, Operand(valRight), |
| &overflow, NULL, rc.scratch); |
| break; |
| } |
| __ li(v0, 0); |
| __ Branch(&end); |
| __ bind(&overflow); |
| __ li(v0, 1); |
| __ bind(&end); |
| }); |
| |
| switch (branchType) { |
| case kAddBranchOverflow: |
| CHECK_EQ(IsAddOverflow<int32_t>(ii, jj), res1); |
| CHECK_EQ(IsAddOverflow<int32_t>(ii, jj), res2); |
| break; |
| case kSubBranchOverflow: |
| CHECK_EQ(IsSubOverflow<int32_t>(ii, jj), res1); |
| CHECK_EQ(IsSubOverflow<int32_t>(ii, jj), res2); |
| break; |
| default: |
| UNREACHABLE(); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| TEST(BranchOverflowInt32RightLabel) { |
| FOR_INT32_INPUTS(i, overflow_int32_test_values) { |
| FOR_INT32_INPUTS(j, overflow_int32_test_values) { |
| FOR_ENUM_INPUTS(br, OverflowBranchType, overflow_branch_type) { |
| FOR_STRUCT_INPUTS(regComb, OverflowRegisterCombination, |
| overflow_register_combination) { |
| int32_t ii = *i; |
| int32_t jj = *j; |
| enum OverflowBranchType branchType = *br; |
| struct OverflowRegisterCombination rc = *regComb; |
| |
| // If left and right register are same then left and right |
| // test values must also be same, otherwise we skip the test |
| if (rc.left.code() == rc.right.code()) { |
| if (ii != jj) { |
| continue; |
| } |
| } |
| |
| bool res1 = runOverflow<int32_t>( |
| ii, jj, [branchType, rc](MacroAssembler* masm, int32_t valLeft, |
| int32_t valRight) { |
| Label no_overflow, end; |
| __ li(rc.left, valLeft); |
| __ li(rc.right, valRight); |
| switch (branchType) { |
| case kAddBranchOverflow: |
| __ AddBranchOvf(rc.dst, rc.left, rc.right, NULL, |
| &no_overflow, rc.scratch); |
| break; |
| case kSubBranchOverflow: |
| __ SubBranchOvf(rc.dst, rc.left, rc.right, NULL, |
| &no_overflow, rc.scratch); |
| break; |
| } |
| __ li(v0, 1); |
| __ Branch(&end); |
| __ bind(&no_overflow); |
| __ li(v0, 0); |
| __ bind(&end); |
| }); |
| |
| bool res2 = runOverflow<int32_t>( |
| ii, jj, [branchType, rc](MacroAssembler* masm, int32_t valLeft, |
| int32_t valRight) { |
| Label no_overflow, end; |
| __ li(rc.left, valLeft); |
| switch (branchType) { |
| case kAddBranchOverflow: |
| __ AddBranchOvf(rc.dst, rc.left, Operand(valRight), NULL, |
| &no_overflow, rc.scratch); |
| break; |
| case kSubBranchOverflow: |
| __ SubBranchOvf(rc.dst, rc.left, Operand(valRight), NULL, |
| &no_overflow, rc.scratch); |
| break; |
| } |
| __ li(v0, 1); |
| __ Branch(&end); |
| __ bind(&no_overflow); |
| __ li(v0, 0); |
| __ bind(&end); |
| }); |
| |
| switch (branchType) { |
| case kAddBranchOverflow: |
| CHECK_EQ(IsAddOverflow<int32_t>(ii, jj), res1); |
| CHECK_EQ(IsAddOverflow<int32_t>(ii, jj), res2); |
| break; |
| case kSubBranchOverflow: |
| CHECK_EQ(IsSubOverflow<int32_t>(ii, jj), res1); |
| CHECK_EQ(IsSubOverflow<int32_t>(ii, jj), res2); |
| break; |
| default: |
| UNREACHABLE(); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| TEST(min_max_nan) { |
| CcTest::InitializeVM(); |
| Isolate* isolate = CcTest::i_isolate(); |
| HandleScope scope(isolate); |
| MacroAssembler assembler(isolate, nullptr, 0, |
| v8::internal::CodeObjectRequired::kYes); |
| MacroAssembler* masm = &assembler; |
| |
| struct TestFloat { |
| double a; |
| double b; |
| double c; |
| double d; |
| float e; |
| float f; |
| float g; |
| float h; |
| }; |
| |
| TestFloat test; |
| const double dnan = std::numeric_limits<double>::quiet_NaN(); |
| const double dinf = std::numeric_limits<double>::infinity(); |
| const double dminf = -std::numeric_limits<double>::infinity(); |
| const float fnan = std::numeric_limits<float>::quiet_NaN(); |
| const float finf = std::numeric_limits<float>::infinity(); |
| const float fminf = std::numeric_limits<float>::infinity(); |
| const int kTableLength = 13; |
| |
| double inputsa[kTableLength] = {2.0, 3.0, -0.0, 0.0, 42.0, dinf, dminf, |
| dinf, dnan, 3.0, dinf, dnan, dnan}; |
| double inputsb[kTableLength] = {3.0, 2.0, 0.0, -0.0, dinf, 42.0, dinf, |
| dminf, 3.0, dnan, dnan, dinf, dnan}; |
| double outputsdmin[kTableLength] = {2.0, 2.0, -0.0, -0.0, 42.0, |
| 42.0, dminf, dminf, dnan, dnan, |
| dnan, dnan, dnan}; |
| double outputsdmax[kTableLength] = {3.0, 3.0, 0.0, 0.0, dinf, dinf, dinf, |
| dinf, dnan, dnan, dnan, dnan, dnan}; |
| |
| float inputse[kTableLength] = {2.0, 3.0, -0.0, 0.0, 42.0, finf, fminf, |
| finf, fnan, 3.0, finf, fnan, fnan}; |
| float inputsf[kTableLength] = {3.0, 2.0, 0.0, -0.0, finf, 42.0, finf, |
| fminf, 3.0, fnan, fnan, finf, fnan}; |
| float outputsfmin[kTableLength] = {2.0, 2.0, -0.0, -0.0, 42.0, 42.0, fminf, |
| fminf, fnan, fnan, fnan, fnan, fnan}; |
| float outputsfmax[kTableLength] = {3.0, 3.0, 0.0, 0.0, finf, finf, finf, |
| finf, fnan, fnan, fnan, fnan, fnan}; |
| |
| auto handle_dnan = [masm](FPURegister dst, Label* nan, Label* back) { |
| __ bind(nan); |
| __ LoadRoot(at, Heap::kNanValueRootIndex); |
| __ ldc1(dst, FieldMemOperand(at, HeapNumber::kValueOffset)); |
| __ Branch(back); |
| }; |
| |
| auto handle_snan = [masm, fnan](FPURegister dst, Label* nan, Label* back) { |
| __ bind(nan); |
| __ Move(dst, fnan); |
| __ Branch(back); |
| }; |
| |
| Label handle_mind_nan, handle_maxd_nan, handle_mins_nan, handle_maxs_nan; |
| Label back_mind_nan, back_maxd_nan, back_mins_nan, back_maxs_nan; |
| |
| __ push(s6); |
| __ InitializeRootRegister(); |
| __ ldc1(f4, MemOperand(a0, offsetof(TestFloat, a))); |
| __ ldc1(f8, MemOperand(a0, offsetof(TestFloat, b))); |
| __ lwc1(f2, MemOperand(a0, offsetof(TestFloat, e))); |
| __ lwc1(f6, MemOperand(a0, offsetof(TestFloat, f))); |
| __ MinNaNCheck_d(f10, f4, f8, &handle_mind_nan); |
| __ bind(&back_mind_nan); |
| __ MaxNaNCheck_d(f12, f4, f8, &handle_maxd_nan); |
| __ bind(&back_maxd_nan); |
| __ MinNaNCheck_s(f14, f2, f6, &handle_mins_nan); |
| __ bind(&back_mins_nan); |
| __ MaxNaNCheck_s(f16, f2, f6, &handle_maxs_nan); |
| __ bind(&back_maxs_nan); |
| __ sdc1(f10, MemOperand(a0, offsetof(TestFloat, c))); |
| __ sdc1(f12, MemOperand(a0, offsetof(TestFloat, d))); |
| __ swc1(f14, MemOperand(a0, offsetof(TestFloat, g))); |
| __ swc1(f16, MemOperand(a0, offsetof(TestFloat, h))); |
| __ pop(s6); |
| __ jr(ra); |
| __ nop(); |
| |
| handle_dnan(f10, &handle_mind_nan, &back_mind_nan); |
| handle_dnan(f12, &handle_maxd_nan, &back_maxd_nan); |
| handle_snan(f14, &handle_mins_nan, &back_mins_nan); |
| handle_snan(f16, &handle_maxs_nan, &back_maxs_nan); |
| |
| CodeDesc desc; |
| masm->GetCode(&desc); |
| Handle<Code> code = isolate->factory()->NewCode( |
| desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| ::F3 f = FUNCTION_CAST<::F3>(code->entry()); |
| for (int i = 0; i < kTableLength; i++) { |
| test.a = inputsa[i]; |
| test.b = inputsb[i]; |
| test.e = inputse[i]; |
| test.f = inputsf[i]; |
| |
| CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0); |
| |
| CHECK_EQ(0, memcmp(&test.c, &outputsdmin[i], sizeof(test.c))); |
| CHECK_EQ(0, memcmp(&test.d, &outputsdmax[i], sizeof(test.d))); |
| CHECK_EQ(0, memcmp(&test.g, &outputsfmin[i], sizeof(test.g))); |
| CHECK_EQ(0, memcmp(&test.h, &outputsfmax[i], sizeof(test.h))); |
| } |
| } |
| |
| template <typename IN_TYPE, typename Func> |
| bool run_Unaligned(char* memory_buffer, int32_t in_offset, int32_t out_offset, |
| IN_TYPE value, Func GenerateUnalignedInstructionFunc) { |
| typedef int32_t (*F_CVT)(char* x0, int x1, int x2, int x3, int x4); |
| |
| Isolate* isolate = CcTest::i_isolate(); |
| HandleScope scope(isolate); |
| MacroAssembler assm(isolate, nullptr, 0, |
| v8::internal::CodeObjectRequired::kYes); |
| MacroAssembler* masm = &assm; |
| IN_TYPE res; |
| |
| GenerateUnalignedInstructionFunc(masm, in_offset, out_offset); |
| __ jr(ra); |
| __ nop(); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Handle<Code> code = isolate->factory()->NewCode( |
| desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
| |
| F_CVT f = FUNCTION_CAST<F_CVT>(code->entry()); |
| |
| MemCopy(memory_buffer + in_offset, &value, sizeof(IN_TYPE)); |
| CALL_GENERATED_CODE(isolate, f, memory_buffer, 0, 0, 0, 0); |
| MemCopy(&res, memory_buffer + out_offset, sizeof(IN_TYPE)); |
| |
| return res == value; |
| } |
| |
| static const std::vector<uint64_t> unsigned_test_values() { |
| static const uint64_t kValues[] = { |
| 0x2180f18a06384414, 0x000a714532102277, 0xbc1acccf180649f0, |
| 0x8000000080008000, 0x0000000000000001, 0xffffffffffffffff, |
| }; |
| return std::vector<uint64_t>(&kValues[0], &kValues[arraysize(kValues)]); |
| } |
| |
| static const std::vector<int32_t> unsigned_test_offset() { |
| static const int32_t kValues[] = {// value, offset |
| -132 * KB, -21 * KB, 0, 19 * KB, 135 * KB}; |
| return std::vector<int32_t>(&kValues[0], &kValues[arraysize(kValues)]); |
| } |
| |
| static const std::vector<int32_t> unsigned_test_offset_increment() { |
| static const int32_t kValues[] = {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5}; |
| return std::vector<int32_t>(&kValues[0], &kValues[arraysize(kValues)]); |
| } |
| |
| TEST(Ulh) { |
| CcTest::InitializeVM(); |
| |
| static const int kBufferSize = 300 * KB; |
| char memory_buffer[kBufferSize]; |
| char* buffer_middle = memory_buffer + (kBufferSize / 2); |
| |
| FOR_UINT64_INPUTS(i, unsigned_test_values) { |
| FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) { |
| FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) { |
| uint16_t value = static_cast<uint64_t>(*i & 0xFFFF); |
| int32_t in_offset = *j1 + *k1; |
| int32_t out_offset = *j2 + *k2; |
| |
| CHECK_EQ(true, run_Unaligned<uint16_t>( |
| buffer_middle, in_offset, out_offset, value, |
| [](MacroAssembler* masm, int32_t in_offset, |
| int32_t out_offset) { |
| __ Ulh(v0, MemOperand(a0, in_offset)); |
| __ Ush(v0, MemOperand(a0, out_offset), v0); |
| })); |
| CHECK_EQ(true, run_Unaligned<uint16_t>( |
| buffer_middle, in_offset, out_offset, value, |
| [](MacroAssembler* masm, int32_t in_offset, |
| int32_t out_offset) { |
| __ mov(t0, a0); |
| __ Ulh(a0, MemOperand(a0, in_offset)); |
| __ Ush(a0, MemOperand(t0, out_offset), v0); |
| })); |
| CHECK_EQ(true, run_Unaligned<uint16_t>( |
| buffer_middle, in_offset, out_offset, value, |
| [](MacroAssembler* masm, int32_t in_offset, |
| int32_t out_offset) { |
| __ mov(t0, a0); |
| __ Ulhu(a0, MemOperand(a0, in_offset)); |
| __ Ush(a0, MemOperand(t0, out_offset), t1); |
| })); |
| CHECK_EQ(true, run_Unaligned<uint16_t>( |
| buffer_middle, in_offset, out_offset, value, |
| [](MacroAssembler* masm, int32_t in_offset, |
| int32_t out_offset) { |
| __ Ulhu(v0, MemOperand(a0, in_offset)); |
| __ Ush(v0, MemOperand(a0, out_offset), t1); |
| })); |
| } |
| } |
| } |
| } |
| |
| TEST(Ulh_bitextension) { |
| CcTest::InitializeVM(); |
| |
| static const int kBufferSize = 300 * KB; |
| char memory_buffer[kBufferSize]; |
| char* buffer_middle = memory_buffer + (kBufferSize / 2); |
| |
| FOR_UINT64_INPUTS(i, unsigned_test_values) { |
| FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) { |
| FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) { |
| uint16_t value = static_cast<uint64_t>(*i & 0xFFFF); |
| int32_t in_offset = *j1 + *k1; |
| int32_t out_offset = *j2 + *k2; |
| |
| CHECK_EQ(true, run_Unaligned<uint16_t>( |
| buffer_middle, in_offset, out_offset, value, |
| [](MacroAssembler* masm, int32_t in_offset, |
| int32_t out_offset) { |
| Label success, fail, end, different; |
| __ Ulh(t0, MemOperand(a0, in_offset)); |
| __ Ulhu(t1, MemOperand(a0, in_offset)); |
| __ Branch(&different, ne, t0, Operand(t1)); |
| |
| // If signed and unsigned values are same, check |
| // the upper bits to see if they are zero |
| __ sra(t0, t0, 15); |
| __ Branch(&success, eq, t0, Operand(zero_reg)); |
| __ Branch(&fail); |
| |
| // If signed and unsigned values are different, |
| // check that the upper bits are complementary |
| __ bind(&different); |
| __ sra(t1, t1, 15); |
| __ Branch(&fail, ne, t1, Operand(1)); |
| __ sra(t0, t0, 15); |
| __ addiu(t0, t0, 1); |
| __ Branch(&fail, ne, t0, Operand(zero_reg)); |
| // Fall through to success |
| |
| __ bind(&success); |
| __ Ulh(t0, MemOperand(a0, in_offset)); |
| __ Ush(t0, MemOperand(a0, out_offset), v0); |
| __ Branch(&end); |
| __ bind(&fail); |
| __ Ush(zero_reg, MemOperand(a0, out_offset), v0); |
| __ bind(&end); |
| })); |
| } |
| } |
| } |
| } |
| |
| TEST(Ulw) { |
| CcTest::InitializeVM(); |
| |
| static const int kBufferSize = 300 * KB; |
| char memory_buffer[kBufferSize]; |
| char* buffer_middle = memory_buffer + (kBufferSize / 2); |
| |
| FOR_UINT64_INPUTS(i, unsigned_test_values) { |
| FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) { |
| FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) { |
| uint32_t value = static_cast<uint32_t>(*i & 0xFFFFFFFF); |
| int32_t in_offset = *j1 + *k1; |
| int32_t out_offset = *j2 + *k2; |
| |
| CHECK_EQ(true, run_Unaligned<uint32_t>( |
| buffer_middle, in_offset, out_offset, value, |
| [](MacroAssembler* masm, int32_t in_offset, |
| int32_t out_offset) { |
| __ Ulw(v0, MemOperand(a0, in_offset)); |
| __ Usw(v0, MemOperand(a0, out_offset)); |
| })); |
| CHECK_EQ(true, |
| run_Unaligned<uint32_t>( |
| buffer_middle, in_offset, out_offset, (uint32_t)value, |
| [](MacroAssembler* masm, int32_t in_offset, |
| int32_t out_offset) { |
| __ mov(t0, a0); |
| __ Ulw(a0, MemOperand(a0, in_offset)); |
| __ Usw(a0, MemOperand(t0, out_offset)); |
| })); |
| } |
| } |
| } |
| } |
| |
| TEST(Ulwc1) { |
| CcTest::InitializeVM(); |
| |
| static const int kBufferSize = 300 * KB; |
| char memory_buffer[kBufferSize]; |
| char* buffer_middle = memory_buffer + (kBufferSize / 2); |
| |
| FOR_UINT64_INPUTS(i, unsigned_test_values) { |
| FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) { |
| FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) { |
| float value = static_cast<float>(*i & 0xFFFFFFFF); |
| int32_t in_offset = *j1 + *k1; |
| int32_t out_offset = *j2 + *k2; |
| |
| CHECK_EQ(true, run_Unaligned<float>( |
| buffer_middle, in_offset, out_offset, value, |
| [](MacroAssembler* masm, int32_t in_offset, |
| int32_t out_offset) { |
| __ Ulwc1(f0, MemOperand(a0, in_offset), t0); |
| __ Uswc1(f0, MemOperand(a0, out_offset), t0); |
| })); |
| } |
| } |
| } |
| } |
| |
| TEST(Uldc1) { |
| CcTest::InitializeVM(); |
| |
| static const int kBufferSize = 300 * KB; |
| char memory_buffer[kBufferSize]; |
| char* buffer_middle = memory_buffer + (kBufferSize / 2); |
| |
| FOR_UINT64_INPUTS(i, unsigned_test_values) { |
| FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) { |
| FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) { |
| double value = static_cast<double>(*i); |
| int32_t in_offset = *j1 + *k1; |
| int32_t out_offset = *j2 + *k2; |
| |
| CHECK_EQ(true, run_Unaligned<double>( |
| buffer_middle, in_offset, out_offset, value, |
| [](MacroAssembler* masm, int32_t in_offset, |
| int32_t out_offset) { |
| __ Uldc1(f0, MemOperand(a0, in_offset), t0); |
| __ Usdc1(f0, MemOperand(a0, out_offset), t0); |
| })); |
| } |
| } |
| } |
| } |
| |
| #undef __ |