// Copyright 2011 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 #include "include/v8-function.h" #include "src/base/platform/platform.h" #include "src/base/utils/random-number-generator.h" #include "src/codegen/assembler-inl.h" #include "src/codegen/macro-assembler.h" #include "src/deoptimizer/deoptimizer.h" #include "src/diagnostics/disassembler.h" #include "src/heap/factory.h" #include "src/init/v8.h" #include "src/utils/ostreams.h" #include "test/cctest/cctest.h" #include "test/common/assembler-tester.h" namespace v8 { namespace internal { using F0 = int(); using F1 = int(int x); using F2 = int(int x, int y); #define __ assm. TEST(AssemblerIa320) { CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[256]; Assembler assm(AssemblerOptions{}, ExternalAssemblerBuffer(buffer, sizeof buffer)); __ mov(eax, Operand(esp, 4)); __ add(eax, Operand(esp, 8)); __ ret(0); CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); auto res = f.Call(3, 4); ::printf("f() = %d\n", res); CHECK_EQ(7, res); } TEST(AssemblerIa321) { CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[256]; Assembler assm(AssemblerOptions{}, ExternalAssemblerBuffer(buffer, sizeof buffer)); Label L, C; __ mov(edx, Operand(esp, 4)); __ xor_(eax, eax); // clear eax __ jmp(&C); __ bind(&L); __ add(eax, edx); __ sub(edx, Immediate(1)); __ bind(&C); __ test(edx, edx); __ j(not_zero, &L); __ ret(0); CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); int res = f.Call(100); ::printf("f() = %d\n", res); CHECK_EQ(5050, res); } TEST(AssemblerIa322) { CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[256]; Assembler assm(AssemblerOptions{}, ExternalAssemblerBuffer(buffer, sizeof buffer)); Label L, C; __ mov(edx, Operand(esp, 4)); __ mov(eax, 1); __ jmp(&C); __ bind(&L); __ imul(eax, edx); __ sub(edx, Immediate(1)); __ bind(&C); __ test(edx, edx); __ j(not_zero, &L); __ ret(0); // some relocated stuff here, not executed __ mov(eax, isolate->factory()->true_value()); __ jmp(kNullAddress, RelocInfo::RUNTIME_ENTRY); CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); int res = f.Call(10); ::printf("f() = %d\n", res); CHECK_EQ(3628800, res); } using F3 = int(float x); TEST(AssemblerIa323) { CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[256]; Assembler assm(AssemblerOptions{}, ExternalAssemblerBuffer(buffer, sizeof buffer)); __ cvttss2si(eax, Operand(esp, 4)); __ ret(0); CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); int res = f.Call(-3.1415f); ::printf("f() = %d\n", res); CHECK_EQ(-3, res); } using F4 = int(double x); TEST(AssemblerIa324) { CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[256]; Assembler assm(AssemblerOptions{}, ExternalAssemblerBuffer(buffer, sizeof buffer)); __ cvttsd2si(eax, Operand(esp, 4)); __ ret(0); CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); int res = f.Call(2.718281828); ::printf("f() = %d\n", res); CHECK_EQ(2, res); } static int baz = 42; TEST(AssemblerIa325) { CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[256]; Assembler assm(AssemblerOptions{}, ExternalAssemblerBuffer(buffer, sizeof buffer)); __ mov(eax, Operand(reinterpret_cast(&baz), RelocInfo::NO_INFO)); __ ret(0); CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); auto f = GeneratedCode::FromCode(*code); int res = f.Call(); CHECK_EQ(42, res); } using F5 = double(double x, double y); TEST(AssemblerIa326) { CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[256]; Assembler assm(AssemblerOptions{}, ExternalAssemblerBuffer(buffer, sizeof buffer)); __ movsd(xmm0, Operand(esp, 1 * kSystemPointerSize)); __ movsd(xmm1, Operand(esp, 3 * kSystemPointerSize)); __ addsd(xmm0, xmm1); __ mulsd(xmm0, xmm1); __ subsd(xmm0, xmm1); __ divsd(xmm0, xmm1); // Copy xmm0 to st(0) using eight bytes of stack. __ sub(esp, Immediate(8)); __ movsd(Operand(esp, 0), xmm0); __ fld_d(Operand(esp, 0)); __ add(esp, Immediate(8)); __ ret(0); CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); double res = f.Call(2.2, 1.1); ::printf("f() = %f\n", res); CHECK(2.29 < res && res < 2.31); } using F6 = double(int x); TEST(AssemblerIa328) { CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[256]; Assembler assm(AssemblerOptions{}, ExternalAssemblerBuffer(buffer, sizeof buffer)); __ mov(eax, Operand(esp, 4)); __ cvtsi2sd(xmm0, eax); // Copy xmm0 to st(0) using eight bytes of stack. __ sub(esp, Immediate(8)); __ movsd(Operand(esp, 0), xmm0); __ fld_d(Operand(esp, 0)); __ add(esp, Immediate(8)); __ ret(0); CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); double res = f.Call(12); ::printf("f() = %f\n", res); CHECK(11.99 < res && res < 12.001); } TEST(AssemblerIa3210) { // Test chaining of label usages within instructions (issue 1644). CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); Assembler assm(AssemblerOptions{}); Label target; __ j(equal, &target); __ j(not_equal, &target); __ bind(&target); __ nop(); } TEST(AssemblerMultiByteNop) { CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[1024]; Assembler assm(AssemblerOptions{}, ExternalAssemblerBuffer(buffer, sizeof(buffer))); __ push(ebx); __ push(ecx); __ push(edx); __ push(edi); __ push(esi); __ mov(eax, 1); __ mov(ebx, 2); __ mov(ecx, 3); __ mov(edx, 4); __ mov(edi, 5); __ mov(esi, 6); for (int i = 0; i < 16; i++) { int before = assm.pc_offset(); __ Nop(i); CHECK_EQ(assm.pc_offset() - before, i); } Label fail; __ cmp(eax, 1); __ j(not_equal, &fail); __ cmp(ebx, 2); __ j(not_equal, &fail); __ cmp(ecx, 3); __ j(not_equal, &fail); __ cmp(edx, 4); __ j(not_equal, &fail); __ cmp(edi, 5); __ j(not_equal, &fail); __ cmp(esi, 6); __ j(not_equal, &fail); __ mov(eax, 42); __ pop(esi); __ pop(edi); __ pop(edx); __ pop(ecx); __ pop(ebx); __ ret(0); __ bind(&fail); __ mov(eax, 13); __ pop(esi); __ pop(edi); __ pop(edx); __ pop(ecx); __ pop(ebx); __ ret(0); CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); CHECK(code->IsCode()); auto f = GeneratedCode::FromCode(*code); int res = f.Call(); CHECK_EQ(42, res); } #ifdef __GNUC__ #define ELEMENT_COUNT 4u void DoSSE2(const v8::FunctionCallbackInfo& args) { Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::Local context = CcTest::isolate()->GetCurrentContext(); CHECK(args[0]->IsArray()); v8::Local vec = v8::Local::Cast(args[0]); CHECK_EQ(ELEMENT_COUNT, vec->Length()); v8::internal::byte buffer[256]; Assembler assm(AssemblerOptions{}, ExternalAssemblerBuffer(buffer, sizeof buffer)); // Remove return address from the stack for fix stack frame alignment. __ pop(ecx); // Store input vector on the stack. for (unsigned i = 0; i < ELEMENT_COUNT; ++i) { __ push(Immediate( vec->Get(context, i).ToLocalChecked()->Int32Value(context).FromJust())); } // Read vector into a xmm register. __ pxor(xmm0, xmm0); __ movdqa(xmm0, Operand(esp, 0)); // Create mask and store it in the return register. __ movmskps(eax, xmm0); // Remove unused data from the stack. __ add(esp, Immediate(ELEMENT_COUNT * sizeof(int32_t))); // Restore return address. __ push(ecx); __ ret(0); CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); auto f = GeneratedCode::FromCode(*code); int res = f.Call(); args.GetReturnValue().Set(v8::Integer::New(CcTest::isolate(), res)); } TEST(StackAlignmentForSSE2) { CcTest::InitializeVM(); CHECK_EQ(0, v8::base::OS::ActivationFrameAlignment() % 16); v8::Isolate* isolate = CcTest::isolate(); v8::HandleScope handle_scope(isolate); v8::Local global_template = v8::ObjectTemplate::New(isolate); global_template->Set(v8_str("do_sse2"), v8::FunctionTemplate::New(isolate, DoSSE2)); LocalContext env(nullptr, global_template); CompileRun( "function foo(vec) {" " return do_sse2(vec);" "}"); v8::Local global_object = env->Global(); v8::Local foo = v8::Local::Cast( global_object->Get(env.local(), v8_str("foo")).ToLocalChecked()); int32_t vec[ELEMENT_COUNT] = { -1, 1, 1, 1 }; v8::Local v8_vec = v8::Array::New(isolate, ELEMENT_COUNT); for (unsigned i = 0; i < ELEMENT_COUNT; i++) { v8_vec->Set(env.local(), i, v8_num(vec[i])).FromJust(); } v8::Local args[] = { v8_vec }; v8::Local result = foo->Call(env.local(), global_object, 1, args).ToLocalChecked(); // The mask should be 0b1000. CHECK_EQ(8, result->Int32Value(env.local()).FromJust()); } #undef ELEMENT_COUNT #endif // __GNUC__ TEST(AssemblerIa32Extractps) { CcTest::InitializeVM(); if (!CpuFeatures::IsSupported(SSE4_1)) return; Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[256]; MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes, ExternalAssemblerBuffer(buffer, sizeof(buffer))); { CpuFeatureScope fscope41(&assm, SSE4_1); __ movsd(xmm1, Operand(esp, 4)); __ extractps(eax, xmm1, 0x1); __ ret(0); } CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); uint64_t value1 = 0x1234'5678'8765'4321; CHECK_EQ(0x12345678, f.Call(base::uint64_to_double(value1))); uint64_t value2 = 0x8765'4321'1234'5678; CHECK_EQ(static_cast(0x87654321), f.Call(base::uint64_to_double(value2))); } using F8 = int(float x, float y); TEST(AssemblerIa32SSE) { CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[256]; MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes, ExternalAssemblerBuffer(buffer, sizeof(buffer))); { __ movss(xmm0, Operand(esp, kSystemPointerSize)); __ movss(xmm1, Operand(esp, 2 * kSystemPointerSize)); __ shufps(xmm0, xmm0, 0x0); __ shufps(xmm1, xmm1, 0x0); __ movaps(xmm2, xmm1); __ addps(xmm2, xmm0); __ mulps(xmm2, xmm1); __ subps(xmm2, xmm0); __ divps(xmm2, xmm1); __ cvttss2si(eax, xmm2); __ ret(0); } CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); CHECK_EQ(2, f.Call(1.0, 2.0)); } TEST(AssemblerIa32SSE3) { CcTest::InitializeVM(); if (!CpuFeatures::IsSupported(SSE3)) return; Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[256]; MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes, ExternalAssemblerBuffer(buffer, sizeof(buffer))); { CpuFeatureScope fscope(&assm, SSE3); __ movss(xmm0, Operand(esp, kSystemPointerSize)); __ movss(xmm1, Operand(esp, 2 * kSystemPointerSize)); __ shufps(xmm0, xmm0, 0x0); __ shufps(xmm1, xmm1, 0x0); __ haddps(xmm1, xmm0); __ cvttss2si(eax, xmm1); __ ret(0); } CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); CHECK_EQ(4, f.Call(1.0, 2.0)); } using F9 = int(double x, double y, double z); TEST(AssemblerX64FMA_sd) { CcTest::InitializeVM(); if (!CpuFeatures::IsSupported(FMA3)) return; Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[1024]; MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes, ExternalAssemblerBuffer(buffer, sizeof(buffer))); { CpuFeatureScope fscope(&assm, FMA3); Label exit; __ movsd(xmm0, Operand(esp, 1 * kSystemPointerSize)); __ movsd(xmm1, Operand(esp, 3 * kSystemPointerSize)); __ movsd(xmm2, Operand(esp, 5 * kSystemPointerSize)); // argument in xmm0, xmm1 and xmm2 // xmm0 * xmm1 + xmm2 __ movaps(xmm3, xmm0); __ mulsd(xmm3, xmm1); __ addsd(xmm3, xmm2); // Expected result in xmm3 __ AllocateStackSpace(kDoubleSize); // For memory operand // vfmadd132sd __ mov(eax, Immediate(1)); // Test number __ movaps(xmm4, xmm0); __ vfmadd132sd(xmm4, xmm2, xmm1); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd213sd __ inc(eax); __ movaps(xmm4, xmm1); __ vfmadd213sd(xmm4, xmm0, xmm2); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd231sd __ inc(eax); __ movaps(xmm4, xmm2); __ vfmadd231sd(xmm4, xmm0, xmm1); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd132sd __ inc(eax); __ movaps(xmm4, xmm0); __ movsd(Operand(esp, 0), xmm1); __ vfmadd132sd(xmm4, xmm2, Operand(esp, 0)); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd213sd __ inc(eax); __ movaps(xmm4, xmm1); __ movsd(Operand(esp, 0), xmm2); __ vfmadd213sd(xmm4, xmm0, Operand(esp, 0)); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd231sd __ inc(eax); __ movaps(xmm4, xmm2); __ movsd(Operand(esp, 0), xmm1); __ vfmadd231sd(xmm4, xmm0, Operand(esp, 0)); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // xmm0 * xmm1 - xmm2 __ movaps(xmm3, xmm0); __ mulsd(xmm3, xmm1); __ subsd(xmm3, xmm2); // Expected result in xmm3 // vfmsub132sd __ inc(eax); __ movaps(xmm4, xmm0); __ vfmsub132sd(xmm4, xmm2, xmm1); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd213sd __ inc(eax); __ movaps(xmm4, xmm1); __ vfmsub213sd(xmm4, xmm0, xmm2); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfmsub231sd __ inc(eax); __ movaps(xmm4, xmm2); __ vfmsub231sd(xmm4, xmm0, xmm1); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfmsub132sd __ inc(eax); __ movaps(xmm4, xmm0); __ movsd(Operand(esp, 0), xmm1); __ vfmsub132sd(xmm4, xmm2, Operand(esp, 0)); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfmsub213sd __ inc(eax); __ movaps(xmm4, xmm1); __ movsd(Operand(esp, 0), xmm2); __ vfmsub213sd(xmm4, xmm0, Operand(esp, 0)); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfmsub231sd __ inc(eax); __ movaps(xmm4, xmm2); __ movsd(Operand(esp, 0), xmm1); __ vfmsub231sd(xmm4, xmm0, Operand(esp, 0)); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // - xmm0 * xmm1 + xmm2 __ movaps(xmm3, xmm0); __ mulsd(xmm3, xmm1); __ Move(xmm4, (uint64_t)1 << 63); __ xorpd(xmm3, xmm4); __ addsd(xmm3, xmm2); // Expected result in xmm3 // vfnmadd132sd __ inc(eax); __ movaps(xmm4, xmm0); __ vfnmadd132sd(xmm4, xmm2, xmm1); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd213sd __ inc(eax); __ movaps(xmm4, xmm1); __ vfnmadd213sd(xmm4, xmm0, xmm2); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfnmadd231sd __ inc(eax); __ movaps(xmm4, xmm2); __ vfnmadd231sd(xmm4, xmm0, xmm1); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfnmadd132sd __ inc(eax); __ movaps(xmm4, xmm0); __ movsd(Operand(esp, 0), xmm1); __ vfnmadd132sd(xmm4, xmm2, Operand(esp, 0)); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfnmadd213sd __ inc(eax); __ movaps(xmm4, xmm1); __ movsd(Operand(esp, 0), xmm2); __ vfnmadd213sd(xmm4, xmm0, Operand(esp, 0)); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfnmadd231sd __ inc(eax); __ movaps(xmm4, xmm2); __ movsd(Operand(esp, 0), xmm1); __ vfnmadd231sd(xmm4, xmm0, Operand(esp, 0)); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // - xmm0 * xmm1 - xmm2 __ movaps(xmm3, xmm0); __ mulsd(xmm3, xmm1); __ Move(xmm4, (uint64_t)1 << 63); __ xorpd(xmm3, xmm4); __ subsd(xmm3, xmm2); // Expected result in xmm3 // vfnmsub132sd __ inc(eax); __ movaps(xmm4, xmm0); __ vfnmsub132sd(xmm4, xmm2, xmm1); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfmsub213sd __ inc(eax); __ movaps(xmm4, xmm1); __ vfnmsub213sd(xmm4, xmm0, xmm2); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfnmsub231sd __ inc(eax); __ movaps(xmm4, xmm2); __ vfnmsub231sd(xmm4, xmm0, xmm1); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfnmsub132sd __ inc(eax); __ movaps(xmm4, xmm0); __ movsd(Operand(esp, 0), xmm1); __ vfnmsub132sd(xmm4, xmm2, Operand(esp, 0)); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfnmsub213sd __ inc(eax); __ movaps(xmm4, xmm1); __ movsd(Operand(esp, 0), xmm2); __ vfnmsub213sd(xmm4, xmm0, Operand(esp, 0)); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); // vfnmsub231sd __ inc(eax); __ movaps(xmm4, xmm2); __ movsd(Operand(esp, 0), xmm1); __ vfnmsub231sd(xmm4, xmm0, Operand(esp, 0)); __ ucomisd(xmm4, xmm3); __ j(not_equal, &exit); __ xor_(eax, eax); __ bind(&exit); __ add(esp, Immediate(kDoubleSize)); __ ret(0); } CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); CHECK_EQ( 0, f.Call(0.000092662107262076, -2.460774966188315, -1.0958787393627414)); } using F10 = int(float x, float y, float z); TEST(AssemblerX64FMA_ss) { CcTest::InitializeVM(); if (!CpuFeatures::IsSupported(FMA3)) return; Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[1024]; MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes, ExternalAssemblerBuffer(buffer, sizeof(buffer))); { CpuFeatureScope fscope(&assm, FMA3); Label exit; __ movss(xmm0, Operand(esp, 1 * kSystemPointerSize)); __ movss(xmm1, Operand(esp, 2 * kSystemPointerSize)); __ movss(xmm2, Operand(esp, 3 * kSystemPointerSize)); // arguments in xmm0, xmm1 and xmm2 // xmm0 * xmm1 + xmm2 __ movaps(xmm3, xmm0); __ mulss(xmm3, xmm1); __ addss(xmm3, xmm2); // Expected result in xmm3 __ AllocateStackSpace(kDoubleSize); // For memory operand // vfmadd132ss __ mov(eax, Immediate(1)); // Test number __ movaps(xmm4, xmm0); __ vfmadd132ss(xmm4, xmm2, xmm1); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd213ss __ inc(eax); __ movaps(xmm4, xmm1); __ vfmadd213ss(xmm4, xmm0, xmm2); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd231ss __ inc(eax); __ movaps(xmm4, xmm2); __ vfmadd231ss(xmm4, xmm0, xmm1); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd132ss __ inc(eax); __ movaps(xmm4, xmm0); __ movss(Operand(esp, 0), xmm1); __ vfmadd132ss(xmm4, xmm2, Operand(esp, 0)); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd213ss __ inc(eax); __ movaps(xmm4, xmm1); __ movss(Operand(esp, 0), xmm2); __ vfmadd213ss(xmm4, xmm0, Operand(esp, 0)); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd231ss __ inc(eax); __ movaps(xmm4, xmm2); __ movss(Operand(esp, 0), xmm1); __ vfmadd231ss(xmm4, xmm0, Operand(esp, 0)); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // xmm0 * xmm1 - xmm2 __ movaps(xmm3, xmm0); __ mulss(xmm3, xmm1); __ subss(xmm3, xmm2); // Expected result in xmm3 // vfmsub132ss __ inc(eax); __ movaps(xmm4, xmm0); __ vfmsub132ss(xmm4, xmm2, xmm1); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd213ss __ inc(eax); __ movaps(xmm4, xmm1); __ vfmsub213ss(xmm4, xmm0, xmm2); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfmsub231ss __ inc(eax); __ movaps(xmm4, xmm2); __ vfmsub231ss(xmm4, xmm0, xmm1); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfmsub132ss __ inc(eax); __ movaps(xmm4, xmm0); __ movss(Operand(esp, 0), xmm1); __ vfmsub132ss(xmm4, xmm2, Operand(esp, 0)); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfmsub213ss __ inc(eax); __ movaps(xmm4, xmm1); __ movss(Operand(esp, 0), xmm2); __ vfmsub213ss(xmm4, xmm0, Operand(esp, 0)); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfmsub231ss __ inc(eax); __ movaps(xmm4, xmm2); __ movss(Operand(esp, 0), xmm1); __ vfmsub231ss(xmm4, xmm0, Operand(esp, 0)); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // - xmm0 * xmm1 + xmm2 __ movaps(xmm3, xmm0); __ mulss(xmm3, xmm1); __ Move(xmm4, (uint32_t)1 << 31); __ xorps(xmm3, xmm4); __ addss(xmm3, xmm2); // Expected result in xmm3 // vfnmadd132ss __ inc(eax); __ movaps(xmm4, xmm0); __ vfnmadd132ss(xmm4, xmm2, xmm1); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfmadd213ss __ inc(eax); __ movaps(xmm4, xmm1); __ vfnmadd213ss(xmm4, xmm0, xmm2); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfnmadd231ss __ inc(eax); __ movaps(xmm4, xmm2); __ vfnmadd231ss(xmm4, xmm0, xmm1); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfnmadd132ss __ inc(eax); __ movaps(xmm4, xmm0); __ movss(Operand(esp, 0), xmm1); __ vfnmadd132ss(xmm4, xmm2, Operand(esp, 0)); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfnmadd213ss __ inc(eax); __ movaps(xmm4, xmm1); __ movss(Operand(esp, 0), xmm2); __ vfnmadd213ss(xmm4, xmm0, Operand(esp, 0)); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfnmadd231ss __ inc(eax); __ movaps(xmm4, xmm2); __ movss(Operand(esp, 0), xmm1); __ vfnmadd231ss(xmm4, xmm0, Operand(esp, 0)); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // - xmm0 * xmm1 - xmm2 __ movaps(xmm3, xmm0); __ mulss(xmm3, xmm1); __ Move(xmm4, (uint32_t)1 << 31); __ xorps(xmm3, xmm4); __ subss(xmm3, xmm2); // Expected result in xmm3 // vfnmsub132ss __ inc(eax); __ movaps(xmm4, xmm0); __ vfnmsub132ss(xmm4, xmm2, xmm1); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfmsub213ss __ inc(eax); __ movaps(xmm4, xmm1); __ vfnmsub213ss(xmm4, xmm0, xmm2); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfnmsub231ss __ inc(eax); __ movaps(xmm4, xmm2); __ vfnmsub231ss(xmm4, xmm0, xmm1); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfnmsub132ss __ inc(eax); __ movaps(xmm4, xmm0); __ movss(Operand(esp, 0), xmm1); __ vfnmsub132ss(xmm4, xmm2, Operand(esp, 0)); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfnmsub213ss __ inc(eax); __ movaps(xmm4, xmm1); __ movss(Operand(esp, 0), xmm2); __ vfnmsub213ss(xmm4, xmm0, Operand(esp, 0)); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); // vfnmsub231ss __ inc(eax); __ movaps(xmm4, xmm2); __ movss(Operand(esp, 0), xmm1); __ vfnmsub231ss(xmm4, xmm0, Operand(esp, 0)); __ ucomiss(xmm4, xmm3); __ j(not_equal, &exit); __ xor_(eax, eax); __ bind(&exit); __ add(esp, Immediate(kDoubleSize)); __ ret(0); } CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); CHECK_EQ(0, f.Call(9.26621069e-05f, -2.4607749f, -1.09587872f)); } TEST(AssemblerIa32BMI1) { CcTest::InitializeVM(); if (!CpuFeatures::IsSupported(BMI1)) return; Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[1024]; MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes, ExternalAssemblerBuffer(buffer, sizeof(buffer))); { CpuFeatureScope fscope(&assm, BMI1); Label exit; __ push(ebx); // save ebx __ mov(ecx, Immediate(0x55667788u)); // source operand __ push(ecx); // For memory operand // andn __ mov(edx, Immediate(0x20000000u)); __ mov(eax, Immediate(1)); // Test number __ andn(ebx, edx, ecx); __ cmp(ebx, Immediate(0x55667788u)); // expected result __ j(not_equal, &exit); __ inc(eax); __ andn(ebx, edx, Operand(esp, 0)); __ cmp(ebx, Immediate(0x55667788u)); // expected result __ j(not_equal, &exit); // bextr __ mov(edx, Immediate(0x00002808u)); __ inc(eax); __ bextr(ebx, ecx, edx); __ cmp(ebx, Immediate(0x00556677u)); // expected result __ j(not_equal, &exit); __ inc(eax); __ bextr(ebx, Operand(esp, 0), edx); __ cmp(ebx, Immediate(0x00556677u)); // expected result __ j(not_equal, &exit); // blsi __ inc(eax); __ blsi(ebx, ecx); __ cmp(ebx, Immediate(0x00000008u)); // expected result __ j(not_equal, &exit); __ inc(eax); __ blsi(ebx, Operand(esp, 0)); __ cmp(ebx, Immediate(0x00000008u)); // expected result __ j(not_equal, &exit); // blsmsk __ inc(eax); __ blsmsk(ebx, ecx); __ cmp(ebx, Immediate(0x0000000Fu)); // expected result __ j(not_equal, &exit); __ inc(eax); __ blsmsk(ebx, Operand(esp, 0)); __ cmp(ebx, Immediate(0x0000000Fu)); // expected result __ j(not_equal, &exit); // blsr __ inc(eax); __ blsr(ebx, ecx); __ cmp(ebx, Immediate(0x55667780u)); // expected result __ j(not_equal, &exit); __ inc(eax); __ blsr(ebx, Operand(esp, 0)); __ cmp(ebx, Immediate(0x55667780u)); // expected result __ j(not_equal, &exit); // tzcnt __ inc(eax); __ tzcnt(ebx, ecx); __ cmp(ebx, Immediate(3)); // expected result __ j(not_equal, &exit); __ inc(eax); __ tzcnt(ebx, Operand(esp, 0)); __ cmp(ebx, Immediate(3)); // expected result __ j(not_equal, &exit); __ xor_(eax, eax); __ bind(&exit); __ pop(ecx); __ pop(ebx); __ ret(0); } CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); CHECK_EQ(0, f.Call()); } TEST(AssemblerIa32LZCNT) { CcTest::InitializeVM(); if (!CpuFeatures::IsSupported(LZCNT)) return; Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[256]; MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes, ExternalAssemblerBuffer(buffer, sizeof(buffer))); { CpuFeatureScope fscope(&assm, LZCNT); Label exit; __ push(ebx); // save ebx __ mov(ecx, Immediate(0x55667788u)); // source operand __ push(ecx); // For memory operand __ mov(eax, Immediate(1)); // Test number __ lzcnt(ebx, ecx); __ cmp(ebx, Immediate(1)); // expected result __ j(not_equal, &exit); __ inc(eax); __ lzcnt(ebx, Operand(esp, 0)); __ cmp(ebx, Immediate(1)); // expected result __ j(not_equal, &exit); __ xor_(eax, eax); __ bind(&exit); __ pop(ecx); __ pop(ebx); __ ret(0); } CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); CHECK_EQ(0, f.Call()); } TEST(AssemblerIa32POPCNT) { CcTest::InitializeVM(); if (!CpuFeatures::IsSupported(POPCNT)) return; Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[256]; MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes, ExternalAssemblerBuffer(buffer, sizeof(buffer))); { CpuFeatureScope fscope(&assm, POPCNT); Label exit; __ push(ebx); // save ebx __ mov(ecx, Immediate(0x11111100u)); // source operand __ push(ecx); // For memory operand __ mov(eax, Immediate(1)); // Test number __ popcnt(ebx, ecx); __ cmp(ebx, Immediate(6)); // expected result __ j(not_equal, &exit); __ inc(eax); __ popcnt(ebx, Operand(esp, 0)); __ cmp(ebx, Immediate(6)); // expected result __ j(not_equal, &exit); __ xor_(eax, eax); __ bind(&exit); __ pop(ecx); __ pop(ebx); __ ret(0); } CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); CHECK_EQ(0, f.Call()); } TEST(AssemblerIa32BMI2) { CcTest::InitializeVM(); if (!CpuFeatures::IsSupported(BMI2)) return; Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); v8::internal::byte buffer[2048]; MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes, ExternalAssemblerBuffer(buffer, sizeof(buffer))); { CpuFeatureScope fscope(&assm, BMI2); Label exit; __ push(ebx); // save ebx __ push(esi); // save esi __ mov(ecx, Immediate(0x55667788u)); // source operand __ push(ecx); // For memory operand // bzhi __ mov(edx, Immediate(9)); __ mov(eax, Immediate(1)); // Test number __ bzhi(ebx, ecx, edx); __ cmp(ebx, Immediate(0x00000188u)); // expected result __ j(not_equal, &exit); __ inc(eax); __ bzhi(ebx, Operand(esp, 0), edx); __ cmp(ebx, Immediate(0x00000188u)); // expected result __ j(not_equal, &exit); // mulx __ mov(edx, Immediate(0x00001000u)); __ inc(eax); __ mulx(ebx, esi, ecx); __ cmp(ebx, Immediate(0x00000556u)); // expected result __ j(not_equal, &exit); __ cmp(esi, Immediate(0x67788000u)); // expected result __ j(not_equal, &exit); __ inc(eax); __ mulx(ebx, esi, Operand(esp, 0)); __ cmp(ebx, Immediate(0x00000556u)); // expected result __ j(not_equal, &exit); __ cmp(esi, Immediate(0x67788000u)); // expected result __ j(not_equal, &exit); // pdep __ mov(edx, Immediate(0xFFFFFFF0u)); __ inc(eax); __ pdep(ebx, edx, ecx); __ cmp(ebx, Immediate(0x55667400u)); // expected result __ j(not_equal, &exit); __ inc(eax); __ pdep(ebx, edx, Operand(esp, 0)); __ cmp(ebx, Immediate(0x55667400u)); // expected result __ j(not_equal, &exit); // pext __ mov(edx, Immediate(0xFFFFFFF0u)); __ inc(eax); __ pext(ebx, edx, ecx); __ cmp(ebx, Immediate(0x0000FFFEu)); // expected result __ j(not_equal, &exit); __ inc(eax); __ pext(ebx, edx, Operand(esp, 0)); __ cmp(ebx, Immediate(0x0000FFFEu)); // expected result __ j(not_equal, &exit); // sarx __ mov(edx, Immediate(4)); __ inc(eax); __ sarx(ebx, ecx, edx); __ cmp(ebx, Immediate(0x05566778u)); // expected result __ j(not_equal, &exit); __ inc(eax); __ sarx(ebx, Operand(esp, 0), edx); __ cmp(ebx, Immediate(0x05566778u)); // expected result __ j(not_equal, &exit); // shlx __ mov(edx, Immediate(4)); __ inc(eax); __ shlx(ebx, ecx, edx); __ cmp(ebx, Immediate(0x56677880u)); // expected result __ j(not_equal, &exit); __ inc(eax); __ shlx(ebx, Operand(esp, 0), edx); __ cmp(ebx, Immediate(0x56677880u)); // expected result __ j(not_equal, &exit); // shrx __ mov(edx, Immediate(4)); __ inc(eax); __ shrx(ebx, ecx, edx); __ cmp(ebx, Immediate(0x05566778u)); // expected result __ j(not_equal, &exit); __ inc(eax); __ shrx(ebx, Operand(esp, 0), edx); __ cmp(ebx, Immediate(0x05566778u)); // expected result __ j(not_equal, &exit); // rorx __ inc(eax); __ rorx(ebx, ecx, 0x4); __ cmp(ebx, Immediate(0x85566778u)); // expected result __ j(not_equal, &exit); __ inc(eax); __ rorx(ebx, Operand(esp, 0), 0x4); __ cmp(ebx, Immediate(0x85566778u)); // expected result __ j(not_equal, &exit); __ xor_(eax, eax); __ bind(&exit); __ pop(ecx); __ pop(esi); __ pop(ebx); __ ret(0); } CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); CHECK_EQ(0, f.Call()); } TEST(AssemblerIa32JumpTables1) { // Test jump tables with forward jumps. CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); Assembler assm(AssemblerOptions{}); const int kNumCases = 512; int values[kNumCases]; isolate->random_number_generator()->NextBytes(values, sizeof(values)); Label labels[kNumCases]; Label done, table; __ mov(eax, Operand(esp, 4)); __ jmp(Operand::JumpTable(eax, times_system_pointer_size, &table)); __ ud2(); __ bind(&table); for (int i = 0; i < kNumCases; ++i) { __ dd(&labels[i]); } for (int i = 0; i < kNumCases; ++i) { __ bind(&labels[i]); __ mov(eax, Immediate(values[i])); __ jmp(&done); } __ bind(&done); __ ret(0); CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); for (int i = 0; i < kNumCases; ++i) { int res = f.Call(i); ::printf("f(%d) = %d\n", i, res); CHECK_EQ(values[i], res); } } TEST(AssemblerIa32JumpTables2) { // Test jump tables with backward jumps. CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); Assembler assm(AssemblerOptions{}); const int kNumCases = 512; int values[kNumCases]; isolate->random_number_generator()->NextBytes(values, sizeof(values)); Label labels[kNumCases]; Label done, table; __ mov(eax, Operand(esp, 4)); __ jmp(Operand::JumpTable(eax, times_system_pointer_size, &table)); __ ud2(); for (int i = 0; i < kNumCases; ++i) { __ bind(&labels[i]); __ mov(eax, Immediate(values[i])); __ jmp(&done); } __ bind(&table); for (int i = 0; i < kNumCases; ++i) { __ dd(&labels[i]); } __ bind(&done); __ ret(0); CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); for (int i = 0; i < kNumCases; ++i) { int res = f.Call(i); ::printf("f(%d) = %d\n", i, res); CHECK_EQ(values[i], res); } } TEST(Regress621926) { // Bug description: // The opcodes for cmpw r/m16, r16 and cmpw r16, r/m16 were swapped. // This was causing non-commutative comparisons to produce the wrong result. CcTest::InitializeVM(); Isolate* isolate = reinterpret_cast(CcTest::isolate()); HandleScope scope(isolate); Assembler assm(AssemblerOptions{}); uint16_t a = 42; Label fail; __ push(ebx); __ mov(ebx, Immediate(reinterpret_cast(&a))); __ mov(eax, Immediate(41)); __ cmpw(eax, Operand(ebx, 0)); __ j(above_equal, &fail); __ cmpw(Operand(ebx, 0), eax); __ j(below_equal, &fail); __ mov(eax, 1); __ pop(ebx); __ ret(0); __ bind(&fail); __ mov(eax, 0); __ pop(ebx); __ ret(0); CodeDesc desc; assm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build(); #ifdef OBJECT_PRINT StdoutStream os; code->Print(os); #endif auto f = GeneratedCode::FromCode(*code); CHECK_EQ(1, f.Call()); } TEST(DeoptExitSizeIsFixed) { Isolate* isolate = CcTest::i_isolate(); HandleScope handles(isolate); v8::internal::byte buffer[256]; MacroAssembler masm(isolate, v8::internal::CodeObjectRequired::kYes, ExternalAssemblerBuffer(buffer, sizeof(buffer))); static_assert(static_cast(kFirstDeoptimizeKind) == 0); for (int i = 0; i < kDeoptimizeKindCount; i++) { DeoptimizeKind kind = static_cast(i); Label before_exit; masm.bind(&before_exit); Builtin target = Deoptimizer::GetDeoptimizationEntry(kind); masm.CallForDeoptimization(target, 42, &before_exit, kind, &before_exit, nullptr); CHECK_EQ(masm.SizeOfCodeGeneratedSince(&before_exit), kind == DeoptimizeKind::kLazy ? Deoptimizer::kLazyDeoptExitSize : Deoptimizer::kEagerDeoptExitSize); } } TEST(CpuFeatures_ProbeImpl) { // Support for a newer extension implies support for the older extensions. CHECK_IMPLIES(CpuFeatures::IsSupported(FMA3), CpuFeatures::IsSupported(AVX)); CHECK_IMPLIES(CpuFeatures::IsSupported(AVX2), CpuFeatures::IsSupported(AVX)); CHECK_IMPLIES(CpuFeatures::IsSupported(AVX), CpuFeatures::IsSupported(SSE4_2)); CHECK_IMPLIES(CpuFeatures::IsSupported(SSE4_2), CpuFeatures::IsSupported(SSE4_1)); CHECK_IMPLIES(CpuFeatures::IsSupported(SSE4_1), CpuFeatures::IsSupported(SSSE3)); CHECK_IMPLIES(CpuFeatures::IsSupported(SSSE3), CpuFeatures::IsSupported(SSE3)); // Check the reverse, if an older extension is not supported, a newer // extension cannot be supported. CHECK_IMPLIES(!CpuFeatures::IsSupported(SSE3), !CpuFeatures::IsSupported(SSSE3)); CHECK_IMPLIES(!CpuFeatures::IsSupported(SSSE3), !CpuFeatures::IsSupported(SSE4_1)); CHECK_IMPLIES(!CpuFeatures::IsSupported(SSE4_1), !CpuFeatures::IsSupported(SSE4_2)); CHECK_IMPLIES(!CpuFeatures::IsSupported(SSE4_2), !CpuFeatures::IsSupported(AVX)); CHECK_IMPLIES(!CpuFeatures::IsSupported(AVX), !CpuFeatures::IsSupported(AVX2)); CHECK_IMPLIES(!CpuFeatures::IsSupported(AVX), !CpuFeatures::IsSupported(FMA3)); } #undef __ } // namespace internal } // namespace v8